View source for Chess with different armies

{{Short description|Chess variant with opposing armies of different composition}}

'''Chess with different armies''' (or '''Betza's Chess'''<ref name="Pritchard">{{cite book |author=Pritchard, D. |author-link=David Pritchard (chess writer) |title=The Encyclopedia of Chess Variants |publisher=Games & Puzzles Publications |year=1994 |isbn=0-9524142-0-1}}</ref> or '''Equal Armies'''<ref>{{cite book |last=Pritchard |first=D. B. |author-link=David Pritchard (chess player) |editor-last=Beasley |editor-first=John |title=The Classified Encyclopedia of Chess Variants |publisher=John Beasley |year=2007 |contribution=Equal Armies |pages=186–87 |isbn=978-0-9555168-0-1}}</ref>) is a [[chess variant]] invented by [[Ralph Betza]] in 1979. Two sides use different sets of [[Fairy chess piece|fairy pieces]]. There are several armies of equal strength to choose from, including the standard [[FIDE]] army. In all armies, kings and pawns are the same as in FIDE [[chess]], but the four other pieces are different.

== Rules and armies ==
Before the game players choose their armies in a certain way, predefined by tournament rules. This can be done either randomly or secretly by both players. Each player has a choice of 4 armies:<ref>[https://www.chessvariants.com/d.betza/chessvar/cda/index.html Chess with different armies] by Ralph Betza.</ref> the ''Fabulous FIDEs'', which are the standard chess pieces, the ''Colorbound Clobberers'', the ''Nutty Knights'', and the ''Remarkable Rookies''.

All armies are designed to be equal in strength but have significantly different properties. [[King (chess)|Kings]] and [[Pawn (chess)|pawns]] move the same as in [[chess]] for all armies. [[Pawn (chess)|Pawns]] can only promote to pieces of either army on the board at the start. [[Castling]] is done as in standard [[chess]] with the exception of the case when the [[Rook (chess)|rook]] replacement is [[colorbound]], like in the ''Colorbound Clobberers'' army. In the latter case, the [[King (chess)|king]], when [[castling]] long, moves to b1, and the [[Rook (chess)|rook]] replacement to c1. This is so that colorbound pieces do not change square color.
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| '''[[Ferz]]''' (notation '''F''').
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| '''[[Alfil]]''' (notation '''A'''), can jump.
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| '''[[Wazir (chess)|Wazir]]''' (notation '''W''').
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| '''[[Dabbaba (chess)|Dabbaba]]''' (notation '''D'''), can jump.
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Many pieces in the following armies are combinations of standard [[chess]] pieces and 4 fairy pieces: ''[[ferz]]'', ''[[alfil]]'', ''[[Wazir (chess)|wazir]]'' and ''[[Dabbaba (chess)|dabbaba]]'' (see their movement diagrams above). The game can be played with standard [[chess]] pieces, and the following move diagrams use standard pieces as well (except [[Queen (chess)|queens]]).

=== Colorbound Clobberers ===
In this army, rooks, knights, bishops, and queen are replaced by the following pieces:
{| align="left" border="0" cellpadding="1" cellspacing="0"
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| '''Bede''' (notation '''BD'''). Moves as [[Bishop (chess)|bishop]] or dabbaba. Can jump for dabbaba moves.
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| '''[[Phoenix (chess)|Waffle]]''' (notation '''WA'''). Moves as wazir or alfil, hence the name. Can jump for all moves.
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| '''FAD''' (notation '''FAD'''). Moves as ferz, alfil or dabbaba, hence the name. Can jump for all moves.
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| '''[[Princess (chess)|Cardinal]]''' (notation '''NB'''). Moves as [[Bishop (chess)|bishop]] or [[Knight (chess)|knight]]. Can jump for knight moves.
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As mentioned, when using this army and castling queenside, the king moves ''three'' squares (from e1 to b1) and the bede moves from a1 to c1.

A weakness of the Colorbound Clobberers are the unprotected pawns at a2 and h2. To cure this weakness, the positions of the waffle and the FAD can be switched. This ''alternate setup'' was already proposed by Ralph Betza and is named ''Colorbound Clobberers II''.

=== Nutty Knights ===
This army includes a lot of leapers, but most of them have asymmetrical move patterns, with backward moves being restricted.
{| align="left" border="0" cellpadding="1" cellspacing="0"
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| '''Charging rook''', originally '''furlrurlbakking''' (notation '''frlRrlbK'''), moves forward and sideways as a rook, or backward as a king.
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| '''Fibnif''' (notation '''fbNF'''). Moves as ferz, or as a knight for its two vertically longest forward and backward moves. Can jump for knight moves.
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| '''Charging knight''', originally '''forfnibakking''' (notation '''fhNrlbK'''). Moves as king backward and sideways or as a knight forward. Can jump for all moves.
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| '''Colonel''', originally '''forfnifurlrurking''' (notation '''fhNfrlRK'''). Moves as king, or as rook forward and sideways, or as knight forward. Can jump for knight moves.
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=== Remarkable Rookies ===
The rooks, knights, bishops, and queen are replaced by the following pieces:
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|  |  |  |la|la|la|la|rl
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| '''Short rook''' (notation '''W4'''). Moves as rook, but not more than 4 spaces.
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| '''Woody rook''' (notation '''WD'''). Moves as dabbaba or as wazir. Can jump for all moves.
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| '''Half duck''' (notation '''HFD'''). Moves as [[Threeleaper (chess)|threeleaper]] or [[Taikyoku shogi|kirin]]. Can jump for all moves.
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| '''[[Empress (chess)|Chancellor]]''' (notation '''RN'''). Moves as rook or knight. Can jump for knight moves.
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==Strength of the armies==
The armies were playtested in human play among chess masters and considered balanced at the time of their release. They were not playtested in computer games because at this time no engines playing chess variants were available. The release of [[Zillions of Games]] did not change the original assessment.
In 2010, H.G. Muller tested the Colourbound Clobberers and the Nutty Knights in the stronger engine [[Xboard#Fairy-Max|Fairy-Max]] and found that both armies were significantly stronger than the FIDE pieces.<ref>[https://www.chessvariants.com/index/listcomments.php?id=26805 Single Comment Chess with Different Armies]</ref> He found that the Nutty Knights had an advantage of slightly more than a pawn above the FIDEs, and the Clobberers slightly less than a pawn. He also notes that the advantage of the Clobberers as an army is smaller than expected from the piece values alone.

In 2015 Fairy-Max was extended to handle limited sliders such as the Short Rook from the Remarkable Rookies. H.G. Muller ran a test of all four official armies against each other with the following result:<ref>[https://www.chessvariants.com/index/listcomments.php?id=31222 Single Comment Chess with Different Armies]</ref>

{|class="wikitable"
|+ Relative strength of armies (based on 400 games)
|-
! {{Diagonal split header | White | Black}}
! R !! N !! C !! F !! Total
|- style=text-align:right
! Rookies
| {{N/A}} || +3% || +13% || +15% || +62%
|- style=text-align:right
! Nutters
| -3% || {{N/A}} ||  +3% || +12% || +19%
|- style=text-align:right
! Clobberers
| -13% || +0% || {{N/A}} || +8%  || -11%
|- style=text-align:right
! FIDE
| -16% || -10% || -10% || {{N/A}} || -71%
|}

It seems that the Rookies are the strongest of all, in agreement with [[ChessV]] and Zillions tests. By this finding, they are only marginally stronger than the Nutters, while the Clobberers seem to be about half-way in strength between them and FIDE. Statistical error in 400 games is 2%, so that means that the 3% of the Rookies-Nutters result can make us decide with >90% confidence that the Rookies indeed have the better chances here.

==Proposed adjustments to the official armies==
In the light of the newer strength evaluations, several weakenings of the official armies were proposed. In 2012 J. Knappen proposed an adjustment to the Nutty Knights named Drunken Nights.<ref>[https://www.chessvariants.com/rules/drunken-nights Jörg Knappen, 2012. Drunken Nights. On www.chessvariants.com, retrieved 2024-12-07]</ref> Here the Charging Knight is weakened by removing the step directly backwards, decreasing its endgame value. The resulting piece is called Drunken Night.

In 2015 J. Knappen discussed some weakenings of the Remarkable Rookies and the Colorbound Clobberers, including the weakening of the Bede to a piece named Busy Beaver.<ref>[https://www.chessvariants.com/index/listcomments.php?id=31226 Single Comment Chess with Different Armies]</ref> In this piece the Dabbaba jump is replaced by a zigzag sliding move to the same square. In 2016, Double sharp and H.G. Muller came up with playtested proposals for the Clobberers and the Rookies. In the Clobberers, the FAD is replaced by the Prime Minister that can step in any diagonal direction once or twice in one turn. It can step in another direction after its first step. It need not take both steps. It must stop when it captures. It can return to its starting square, allowing the player to skip a turn. In the Rookies, the Short Rook is even shorter and has now only two steps in each orthogonal direction. The final adjustment from a three-step short rook to two-step short rook was made in 2020.

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| '''Drunken night''' (notation '''fhNrlWbF'''). Moves as ferz backwards, one step orthogonally sideways, or as a knight forward. Can jump for all moves.
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|ul|  |  |  |  |  |  | 
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| '''Busy Beaver''' (notation '''BzB2'''). Moves as [[Bishop (chess)|bishop]] or two steps as a [[List of fairy chess pieces#Boyscout|Boyscout]]. The squares marked with "x" can be reached via two different zigzag paths.
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| '''Prime minister''' (notation '''FmaF'''). Moves as ferz and can continue moving as a ferz again. It need not take both steps. It must stop when it captures. It can return to its starting square, allowing the player to skip a turn.
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|  |  |  |  |  |la|la|rl
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| '''Short rook''' (notation '''W2'''). Moves as rook, but not more than two spaces.
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== Unofficial armies ==
The four armies described above were playtested by Ralph Betza and selected as the most balanced ones. There are other armies, invented by Betza and other people, some of which are presented here.

In the initial version of the game, there were 8 armies<ref name="Pritchard"/> and, in these armies, the [[King (chess)|king]] moved differently from the [[King (chess)|king]] in the standard [[chess]]. Instead of normal [[Pawn (chess)|pawns]], fairy pawns could be selected – for example, [[Berolina pawn]]s. However, later Betza abandoned the idea of using fairy pieces for [[King (chess)|king]] and [[Pawn (chess)|pawns]]<ref>[https://www.chessvariants.com/d.betza/chessvar/dan/danx-70.html Different Kings and Pawns?] by Ralph Betza</ref> and reduced the number of armies to four.
=== Forward FIDEs (Ralph Betza) ===
The rooks, knights, bishops, and queen are replaced by the following pieces:<ref>[https://www.chessvariants.com/d.betza/chessvar/dan/forfid.html The Forward FIDEs] by Ralph Betza.</ref>
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| '''Charging rook''' (notation '''fsWWbFW'''). Moves forward and sideways as a rook, or backward as a king. This piece is also in the Nutty Knights army.
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| '''Knishop''' (notation '''fhNbFF'''). Moves forwards as knight or backwards as bishop. Can jump for knight moves.
}}
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| '''Bishight''' (notation '''fFFbhN'''). Moves forwards as bishop or backwards as knight. Can jump for knight moves.
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| '''Forequeen''' (notation '''fsWWfFFbhNWF'''). Moves forwards or sideways as queen, or backwards as a king or knight. Can jump for knight moves.
}}
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{{clear}}

=== Meticulous Mashers (Ralph Betza) ===
The rooks, knights, bishops, and queen are replaced by the following pieces:<ref>[https://www.chessvariants.com/d.betza/chessvar/cda/meticulous.html The Meticulous Mashers] by Ralph Betza.</ref>
{| align="left" border="0" cellpadding="1" cellspacing="0"
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|{{Chess diagram small | |
|  |  |  |la|la|la|la|rl
|  |  |  |  |  |  |xo|da
|  |ua|  |  |  |  |  |da
|  |ua|  |  |  |  |  |da
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|la|rl|ra|ra|ra|ra|  | 
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| '''Forfer''' (notation '''FR4'''). Moves as ferz, or up to 4 spaces as rook.
}}
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| '''Fibnif''' (notation '''fbNF'''). Moves as ferz, or as a knight for its two longest forward and backward moves. This piece is also in the Nutty Knights army.
}}
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| '''B4nD''' (notation '''B4nD'''). Moves up to 4 spaces as bishop, or exactly 2 spaces as rook. It cannot jump over other pieces.
}}
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| '''N2R4''' (notation '''N2R4.'''). Moves up to 4 spaces as rook, or makes up to 2 consecutive knight moves in the same direction. Can jump for knight moves, but the first must end on an empty space to be able to make a second one.
}}
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{{clear}}

=== All-Around Allstars (Ralph Betza) ===
This army is made of one piece from each of the main armies. Out of the 12 eligible combinations, as the FAD from the Colorbound Clobberers is considered too strong for a Bishop equivalent and the Cardinal from the same army too weak for a Queen equivalent, Ralph Betza considers the following to be the "official" all-star team. The rooks, knights, and queen are replaced by the following pieces:<ref>[https://www.chessvariants.com/d.betza/chessvar/dan/allstars.html The All-Around Allstars] by Ralph Betza.</ref>
{| align="left" border="0" cellpadding="1" cellspacing="0"
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|{{Chess diagram small | |
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| '''Charging rook''' (notation '''frlRrlbK'''), from the Nutty Knights army.
}}
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|  |  |  |  |  |  |  | 
|  |  |  |  |  |  |  | 
|  |  |xo|  |  |  |xo| 
|  |  |  |  |xo|  |  | 
|  |  |  |xo|nl|xo|  | 
|  |  |  |  |xo|  |  | 
|  |  |xo|  |  |  |xo| 
|  |  |  |  |  |  |  | 
| '''Waffle''' (notation '''WA'''), from the Colorbound Clobberers army.
}}
|{{Chess diagram small | |
|  |  |  |  |ua|  |  | 
|  |  |  |  |ua|  |  | 
|  |  |  |xo|ua|xo|  | 
|  |  |xo|  |ua|  |xo| 
|la|la|la|la|cl|ra|ra|ra
|  |  |xo|  |da|  |xo| 
|  |  |  |xo|da|xo|  | 
|  |  |  |  |da|  |  | 
| '''Chancellor''' (notation '''RN'''), from the Remarkable Rookies army.
}}
|-
|}
{{clear}}

There is another All-Around Allstars army by Ralph Betza. In this setup the restriction that an eligible piece must play in one of the four official armies is lifted and the Forward FIDEs and the Meticulous Mashers are also included. It has the following setup:<ref>[https://www.chessvariants.com/d.betza/chessvar/cda/allstars.html The All-Around Allstars] by Ralph Betza.</ref>
{| align="left" border="0" cellpadding="1" cellspacing="0"
|-valign="top"

|{{Chess diagram small | |
|  |  |  |  |ua|  |  | 
|  |  |  |  |ua|  |  | 
|  |  |  |  |ua|  |  | 
|  |  |  |  |ua|  |  | 
|la|la|la|la|rl|ra|ra|ra
|  |  |  |xo|xo|xo|  | 
|  |  |  |  |  |  |  | 
|  |  |  |  |  |  |  | 
| '''Charging rook''' (notation '''frlRrlbK'''), from the Forward FIDEs and the Nutty Knights army.
}}
|{{Chess diagram small | |
|  |  |  |  |  |  |  | 
|  |  |  |  |  |  |  | 
|  |  |  |xo|  |xo|  | 
|  |  |  |xo|  |xo|  | 
|  |  |  |  |nl|  |  | 
|  |  |  |xo|  |xo|  | 
|  |  |  |xo|  |xo|  | 
|  |  |  |  |  |  |  | 
| '''Fibnif''' (notation '''fbNF'''), from the Meticulous Mashers and the Nutty Knights army.
}}
|{{Chess diagram small | |
|ul|  |  |  |  |  |  | 
|  |ul|  |  |  |  |  |ur
|  |  |ul|  |  |  |ur| 
|  |  |  |ul|  |ur|  | 
|  |  |  |  |bl|  |  | 
|  |  |xo|  |  |  |xo| 
|  |  |  |xo|  |xo|  | 
|  |  |  |  |  |  |  |
| '''Bishight''' (notation '''fBbN'''), from the Forward FIDEs army.
}}
|{{Chess diagram small | |
|  |  |  |  |ua|  |  | 
|  |  |  |  |ua|  |  | 
|  |  |  |xo|ua|xo|  | 
|  |  |xo|  |ua|  |xo| 
|la|la|la|la|cl|ra|ra|ra
|  |  |xo|  |da|  |xo| 
|  |  |  |xo|da|xo|  | 
|  |  |  |  |da|  |  | 
| '''Chancellor''' (notation '''RN'''), from the Remarkable Rookies army.
}}
|-
|}
{{clear}}

=== Amazon Army (Ralph Betza) ===
In this army, the rooks and queen are replaced by the following pieces:<ref>[https://www.chessvariants.com/d.betza/chessvar/cvda/amazon.html The Amazon Army] by Ralph Betza.</ref>
{| align="left" border="0" cellpadding="1" cellspacing="0"
|-valign="top"
|{{Chess diagram small | |
|  |  |  |la|la|la|la|rl
|  |  |  |  |  |  |  |da
|  |ua|  |  |  |  |  |da
|  |ua|  |  |  |  |  |da
|  |ua|  |  |  |  |  |da
|  |ua|  |  |  |  |  | 
|la|rl|ra|ra|ra|ra|  | 
|  |da|  |  |  |  |  | 
| '''Short rook''' (notation '''W4'''). Moves as rook, but not more than 4 spaces. This piece is also in the Remarkable Rookies army.
}}
|{{Chess diagram small | |
|ul|  |  |  |ua|  |  | 
|  |ul|  |  |ua|  |  |ur
|  |  |ul|xo|ua|xo|ur| 
|  |  |xo|ul|ua|ur|xo| 
|la|la|la|la|Al|ra|ra|ra
|  |  |xo|dl|da|dr|xo| 
|  |  |dl|xo|da|xo|dr| 
|  |dl|  |  |da|  |  |dr
| '''[[Amazon (chess)|Amazon]]''' (notation '''WWFFN'''). Moves as queen or knight.
}}
|-
|}
{{clear}}

=== Cylindrical Cinders (Ralph Betza) ===
The rooks, knights, bishops, and queen are replaced by the following pieces:<ref>[https://www.chessvariants.com/d.betza/chessvar/cvda/cylind01.html The Cylindrical Cinders] by Ralph Betza.</ref>
{| align="left" border="0" cellpadding="1" cellspacing="0"
|-valign="top"

|{{Chess diagram small | |
|  |  |  |  |  |  |  | 
|  |  |  |  |  |  |  | 
|  |xo|  |  |  |xo|  | 
|  |  |  |  |  |  |  |xo
|xo|  |  |  |  |  |xo|rl
|  |  |  |  |  |  |  |xo
|  |xo|  |  |  |xo|  | 
|  |  |  |  |  |  |  | 
| '''Cylindrical Waffle''' (notation '''oWoA'''). Moves as wazir or alfil on a cylinder. Can jump for all moves.
}}
|{{Chess diagram small | |
|  |  |  |  |  |  |  | 
|  |  |  |  |  |  |  | 
|xo|  |  |  |  |  |xo| 
|  |xo|  |  |  |xo|  | 
|  |  |  |  |  |  |  |nl
|  |xo|  |  |  |xo|  | 
|xo|  |  |  |  |  |xo| 
|  |  |  |  |  |  |  | 
| '''Cylindrical Knight''' (notation '''oN'''). Moves as knight on a cylinder.
}}
|{{Chess diagram small | |
|  |  |xx|  |  |  |  | 
|  |ur|  |ul|  |  |  | 
|ur|  |  |  |ul|  |  | 
|  |  |  |  |  |ul|  |ur
|  |  |  |  |  |  |bl| 
|  |  |  |  |  |dl|  |dr
|dr|  |  |  |dl|  |  | 
|  |dr|  |dl|  |  |  | 
| '''Cylindrical Bishop''' (notation '''oFF'''). Moves as bishop on a cylinder. The position with an x can be reached in 2 different ways.
}}
|{{Chess diagram small | |
|  |  |  |  |  |  |  |ua
|  |  |  |  |  |  |  |ua
|xo|  |  |  |  |  |xo|ua
|  |xo|  |  |  |xo|  |ua
|lr|lr|lr|lr|lr|lr|lr|cl
|  |xo|  |  |  |xo|  |da
|xo|  |  |  |  |  |xo|da
|  |  |  |  |  |  |  |da
| '''Cylindrical Chancellor''' (notation '''oWWoN'''). Moves as rook or knight on a cylinder. Can jump for knight moves. The horizontal line can be reached from both directions.
}}
|-
|}
{{clear}}

=== Fighting Fizzies (Peter Aronson) ===
In this army, the left rook, the right rook, knights, bishops, and queen are replaced by the following pieces:<ref>[http://www.chessvariants.com/dpieces.dir/fighting-fizzies.html The Fighting Fizzies] by Peter Aronson</ref>
{| align="left" border="0" cellpadding="1" cellspacing="0"
|-valign="top"

|{{Chess diagram small | |
|  |  |  |  |  |  |  | 
|  |  |  |  |  |  |  | 
|  |  |  |ul|  |ua|  | 
|  |  |la|xo|xo|xo|ur| 
|  |  |  |xo|rl|xo|  | 
|  |  |dl|xo|xo|xo|ra| 
|  |  |  |da|  |dr|  | 
|  |  |  |  |  |  |  | 
| '''Left Single-Step Rhino''' (notation '''WF(mW-flF)(mF-flW)'''), on the left. Steps one square in any direction, then, if the first square is empty, may turn 45 degrees to the left, and move one more square.
}}
|{{Chess diagram small | |
|  |  |  |  |  |  |  | 
|  |  |  |  |  |  |  | 
|  |  |  |ua|  |ur|  | 
|  |  |ul|xo|xo|xo|ra| 
|  |  |  |xo|rl|xo|  | 
|  |  |la|xo|xo|xo|dr| 
|  |  |  |dl|  |da|  | 
|  |  |  |  |  |  |  | 
| '''Right Single-Step Rhino''' (notation '''WF(mW-frF)(mF-frW)'''), on the right. Turns 45 degrees to the right instead.
}}
|{{Chess diagram small | |
|  |  |  |  |  |  |  | 
|  |  |  |  |ua|  |  | 
|  |  |  |xo|  |xo|  | 
|  |  |  |  |xo|  |  | 
|  |la|  |  |nl|  |  |ra
|  |  |  |  |xo|  |  | 
|  |  |  |xo|  |xo|  | 
|  |  |  |  |da|  |  | 
| '''Gnohmon''' (notation '''vNvWnH'''). Moves as knight for its longest moves, as wazir vertically or slides 3 squares in orthogonal directions. Can jump for knight moves. The name Gnohmon is a reverence to Ralph Betza who used ''gnohmon'' as a pseudonym on chessvariants.com.
}}
|{{Chess diagram small | |
|  |  |  |  |  |  |  | 
|  |  |  |  |  |  |  | 
|  |  |ul|  |  |  |  | 
|  |  |  |ul|xo|  |xo| 
|  |  |  |  |ul|  |ur| 
|  |  |  |  |  |bl|  | 
|  |  |  |xo|dl|  |dr|xo
|  |  |  |  |  |  |  | 
| '''Crabinal''' (notation '''fNbsNhhB'''). Moves as knight for the longest forward and shortest backward moves, or as bishop for half the distance to the edge of the board. Can jump for knight moves.
}}
|{{Chess diagram small | |
|  |  |  |  |xx|  |  | 
|  |  |  |ul|  |ur|  | 
|  |  |  |  |xx|  |  | 
|  |ul|  |ul|xo|ur|  |ur
|xx|  |xx|xo|ql|xo|xx| 
|  |dl|  |dl|xo|dr|  |dr
|  |  |  |  |xx|  |  | 
|  |  |  |dl|  |dr|  | 
| '''Eagle-Scout''' (notation '''WzFF'''). Moves as wazir or as crooked bishop. Positions with an x can each be reached in 2 different ways.
}}
|-
|}
{{clear}}

=== Avian Airforce (Ralph Betza) ===
In this army, the rooks, knights, bishops, and queen are replaced by the following pieces:<ref>[http://www.chessvariants.com/piececlopedia.dir/ideal-and-practical-values-3.html#airforce Ideal Values and Practical Values (part 3): The Rider Problem] by Ralph Betza</ref>
{| align="left" border="0" cellpadding="1" cellspacing="0"
|-valign="top"

|{{Chess diagram small | |
|  |  |  |  |ua|  |  | 
|  |  |  |  |  |  |  | 
|  |  |  |  |ua|  |  | 
|  |  |  |  |xo|  |  | 
|la|  |la|xo|rl|xo|ra| 
|  |  |  |  |xo|  |  | 
|  |  |  |  |da|  |  | 
|  |  |  |  |  |  |  | 
| '''Wader''' (notation '''WDD'''). Moves as wazir, or makes consecutive dabbaba moves (Dabbaba rider moves). Can jump between dabbaba moves.
}}
|{{Chess diagram small | |
|  |  |  |  |  |  |  | 
|  |  |  |xo|  |xo|  | 
|  |  |  |  |xo|  |  | 
|  |  |  |xo|nl|xo|  | 
|  |  |  |  |xo|  |  | 
|  |  |dl|  |  |  |dr| 
|  |  |  |  |  |  |  | 
|dl|  |  |  |  |  |  | 
| '''Darter''' (notation '''fNWbAA'''). Moves as wazir, as knight for its 2 most forward moves and can make consecutive alfil moves backwards. Can jump between alfil moves.
}}
|{{Chess diagram small | |
|ul|  |  |  |  |  |  | 
|  |  |  |  |  |  |  | 
|  |  |ul|  |  |  |ur| 
|  |  |  |xo|  |xo|  | 
|  |  |  |  |bl|  |  | 
|  |  |  |xo|  |xo|  | 
|  |  |dl|  |  |  |dr| 
|  |  |  |  |  |  |  | 
| '''Faalcon''' (notation '''FAA'''). Moves as ferz, or makes consecutive alfil moves. Can jump between alfil moves.
}}
|{{Chess diagram small | |
|ul|  |  |  |ua|  |  | 
|  |  |  |  |  |  |  | 
|  |  |ul|  |ua|  |ur| 
|  |  |  |xo|xo|xo|  | 
|la|  |la|xo|ql|xo|ra| 
|  |  |  |xo|xo|xo|  | 
|  |  |dl|  |da|  |dr| 
|  |  |  |  |  |  |  | 
| '''Flying Kingfisher''' (notation '''WFAADD'''). Combines the moves of the Wader and the Faalcon.
}}
|-
|}
{{clear}}

=== Spacious Cannoneers (Ralph Betza) ===
In this army, the rooks, knights, bishops, and queen are replaced by the following pieces:<ref>[https://www.chessvariants.com/piececlopedia.dir/ideal-and-practical-values-5.html#cannoneers Ideal Values and Practical Values (part 5): Modified Jumpers] by Ralph Betza</ref>
{| align="left" border="0" cellpadding="1" cellspacing="0"
|-valign="top"

|{{Chess diagram small | |
|  |  |  |  |  |  |  | 
|  |  |  |  |rd|  |  | 
|  |  |  |  |pd|  |  | 
|  |  |  |  |  |  |  | 
|  |  |  |  |xo|  |  | 
|la|la|la|xo|rl|xo|ra|ra
|  |  |  |  |xo|  |  | 
|  |  |  |  |da|  |  | 
| '''Mortar''', on the left. Moves and captures as wazir or a rook that must stop one space before any piece. Can leap over the first piece in an orthogonal line and capture the next piece on that line (here the black rook can be captured).
}}
|{{Chess diagram small | |
|  |  |  |  |ua|  |  | 
|  |  |  |  |ua|  |  | 
|  |  |  |  |pd|  |  | 
|  |  |  |  |  |  |  | 
|  |  |  |  |xo|  |  | 
|la|la|la|xo|rl|xo|ra|ra
|  |  |  |  |xo|  |  | 
|  |  |  |  |da|  |  | 
| '''Howitzer''', on the right. Moves and captures as wazir or a rook that must stop one space before any piece. Can leap over the first piece in an orthogonal line and land on any free space after it but before a second piece.
}}
|{{Chess diagram small | |
|  |  |  |  |  |  |  | 
|  |  |  |  |  |  |  | 
|  |  |  |xo|  |xo|  | 
|  |  |  |  |xo|  |  | 
|  |  |  |xo|nl|xo|  | 
|  |  |  |  |xo|  |  | 
|  |  |  |xo|  |xo|  | 
|  |  |  |  |  |  |  | 
| '''Napoleon''' (notation '''vNW'''). Moves as wazir or as knight for its longest moves. Can jump for all moves.
}}
|{{Chess diagram small | |
|ul|  |  |  |  |  |  | 
|  |ul|  |  |  |  |  |ur
|  |  |pd|  |  |  |ur| 
|  |  |  |  |  |ur|  | 
|  |  |  |  |bl|  |  | 
|  |  |  |dl|  |dr|  | 
|  |  |dl|  |  |  |dr| 
|  |dl|  |  |  |  |  |dr
| '''Carronade'''. Moves as bishop but must stop one space before any piece. Can leap over the first piece in a diagonal line and then continue as a normal bishop.
}}
|{{Chess diagram small | |
|ul|  |  |  |ua|  |  | 
|  |ul|  |  |pd|  |  |ur
|  |  |pd|  |  |  |ur| 
|  |  |  |  |xo|ur|  | 
|la|la|la|xo|ql|xo|ra|ra
|  |  |  |dl|xo|dr|  | 
|  |  |dl|  |da|  |dr| 
|  |dl|  |  |da|  |  |dr
| '''Big Bertha'''. Combines the moves of the Howitzer and the Carronade.https://en.wikipedia.org/wiki/Fairy_chess_piece#Hoppers
}}
|-
|}
{{clear}}

Spacious pieces must stop one square before any piece on the board. They can advance to the edge of the board when the wraparound square is empty, a spacious rook can move from e1 to e8 because at the end of the move the square e1 is empty. Spacious pieces can capture another piece when the square behind that piece is empty, or, when the piece to capture is placed on the edge of the board, the wraparound square is empty. Spacious pieces cannot wraparound the edges of the board, the wraparound squares are only examined in the case of a move towards the border.<ref>[https://www.chessvariants.com/piececlopedia.dir/spacious-pieces.html Spacious Pieces] by Ralph Betza</ref> In the Spacious Cannoneers army, several pieces combine a spacious piece with some kind of [[Fairy_chess_piece#Hoppers|cannon]] piece.

=== Pizza Kings (John Lawson) ===
The rooks, knights, bishops, and queen are replaced by the following pieces:<ref>[https://www.chessvariants.com/unequal.dir/pizza-kings.html The Pizza Kings] by John Lawson.</ref>
{| align="left" border="0" cellpadding="1" cellspacing="0"
|-valign="top"

|{{Chess diagram small | |
|  |  |  |  |  |  |  | 
|  |  |  |  |  |  |  | 
|  |  |xo|  |  |  |xo| 
|  |  |  |xo|xo|xo|  | 
|  |  |xo|  |rl|  |xo| 
|  |  |  |xo|xo|xo|  | 
|  |  |  |  |  |  |  | 
|  |  |  |  |  |  |  | 
| '''Pepperoni''' (notation '''sDfAvWF'''). Moves as ferz, horizontally as dabbaba, vertically as wazir or forward as alfil. Can jump for all moves.
}}
|{{Chess diagram small | |
|  |  |  |  |  |  |  | 
|  |  |  |  |  |  |  | 
|  |  |  |xo|  |xo|  | 
|  |xo|  |  |  |  |  |xo
|  |  |  |  |nl|  |  | 
|  |  |  |xo|  |xo|  | 
|  |  |  |xo|  |xo|  | 
|  |  |  |  |  |  |  | 
| '''Mushroom''' (notation '''vNfsCbF'''). Moves forwards as knight for its longest moves, backwards as ferz or as [[Camel (chess)|camel]] for its shortest forward moves. Can jump for all moves.
}}
|{{Chess diagram small | |
|  |  |  |  |  |  |  | 
|  |  |  |  |xo|  |  | 
|  |  |  |xo|  |xo|  | 
|  |  |  |xo|  |xo|  | 
|  |  |  |xo|bl|xo|  | 
|  |  |  |xo|  |xo|  | 
|  |  |  |xo|  |xo|  | 
|  |  |  |  |xo|  |  | 
| '''Sausage''' (notation '''sWFvNvH'''). Moves as ferz, horizontally as wazir, as knight for its longest moves or jumps 3 squares vertically. Can jump for all moves.
}}
|{{Chess diagram small | |
|  |  |  |  |  |  |  | 
|  |  |  |  |  |  |  | 
|  |  |xo|xo|xo|xo|xo| 
|  |  |  |xo|xo|xo|  | 
|  |  |xo|xo|ql|xo|xo| 
|  |  |  |xo|xo|xo|  | 
|  |  |xo|  |xo|  |xo| 
|  |  |  |  |  |  |  | 
| '''Meatball''' (notation '''FWADfN.'''). Moves as king, alfil, dabbaba or as knight for its 2 longest forward moves. Can jump for all moves.
}}
|-
|}
{{clear}}

=== Seeping Switchers (Jörg Knappen) ===
The rooks, knights, bishops, and queen are replaced by the following pieces:<ref>[https://www.chessvariants.com/unequal.dir/seeping-switchers.html The Seeping Switchers] by Jörg Knappen.</ref>
{| align="left" border="0" cellpadding="1" cellspacing="0"
|-valign="top"

|{{Chess diagram small | |
|  |  |  |  |  |  |  | 
|  |  |  |  |ua|  |  | 
|  |  |  |  |  |  |  | 
|  |  |  |  |ua|  |  | 
|  |la|  |la|rl|ra|  |ra
|  |  |  |  |da|  |  | 
|  |  |  |  |  |  |  | 
|  |  |  |  |da|  |  | 
| '''Panda''' or '''Slip Rook''' (notation '''(W-DD)'''). Moves as rook, but only to squares of color opposite to that on which it stands. Can jump over squares it cannot move to.
}}
|{{Chess diagram small | |
|  |  |  |  |  |  |  | 
|  |  |  |  |  |  |  | 
|  |  |  |xo|  |xo|  | 
|  |  |xo|  |xo|  |xo| 
|  |  |  |xo|nl|xo|  | 
|  |  |xo|  |xo|  |xo| 
|  |  |  |xo|  |xo|  | 
|  |  |  |  |  |  |  | 
| '''Marquis''' (notation '''NW'''). Moves as knight or wazir. Can jump for knight moves.
}}
|{{Chess diagram small | |
|  |ul|  |  |  |  |  |ur
|ul|  |ul|  |  |  |ur| 
|  |ul|  |xo|  |xo|  | 
|  |  |xo|  |  |  |xo| 
|  |  |  |  |bl|pd|  | 
|  |  |xo|  |  |  |xo| 
|  |dl|  |xo|  |xo|  | 
|dl|  |dl|  |  |  |dr| 
| '''Unicorn''' (notation '''N(mW-FF)'''). Moves as knight, then may continue as bishop. Can jump for the knight moves, but longer moves require the corresponding wazir square to be empty. In this case, the unicorn may jump to g3 and g5, but is blocked from moving to h2 or h6 by the black pawn, which it cannot capture.
}}
|{{Chess diagram small | |
|  |  |  |  |  |  |  | 
|  |ul|  |  |ua|  |  |ur
|  |  |  |  |  |  |  | 
|  |  |  |ul|ua|ur|  | 
|  |la|  |la|ql|ra|  |ra
|  |  |  |dl|da|dr|  | 
|  |  |  |  |  |  |  | 
|  |dl|  |  |da|  |  |dr
| '''Erl Queen''' or '''Erlkönigin''' or '''Slip Queen''' (notation '''(W-DD)(F-AA)'''). Moves as queen, but jumps over every other space along its way.
}}
|-
|}
{{clear}}

=== Daring Dragons (H. G. Muller) ===
The rooks, knights, bishops, and queen are replaced by the following pieces:<ref>{{Cite web |title=chessvariants.com -- Comment Listing |url=https://www.chessvariants.com/index/listcomments.php?id=37614 |access-date=2023-02-16 |website=www.chessvariants.com}}</ref>
{| align="left" border="0" cellpadding="1" cellspacing="0"
|-valign="top"

|{{Chess diagram small|3=ul|12=ul|18=ur|21=ul|25=ur|30=ul|31=xo|32=ur|38=xo|39=rl|40=xo|46=dl|47=xo|48=dr|53=dl|57=dr|60=dl|66=dr|67='''Dragon Horse''' (notation '''WB'''). Moves as [[Bishop (chess)|bishop]] or [[Wazir (chess)|wazir]].}}
|{{Chess diagram small|7=ua|15=ua|23=ua|29=xo|31=ua|33=xo|39=nl|45=xo|47=da|49=xo|55=da|63=da|67='''Dragonfly''' (notation '''sNvR'''). Moves vertically as [[Rook (chess)|rook]] or sideways as [[Knight (chess)|knight]]. Can jump for knight moves.}}
|{{Chess diagram small|22=ox|24=ox|30=xo|31=xo|32=xo|38=xo|39=bl|40=xo|46=xo|47=xo|48=xo|54=ox|56=ox|67='''Dragoon''' (notation '''KivmN'''). Moves as [[King (chess)|king]] or, on its initial move, vertically and without capturing as a [[Knight (chess)|knight]]. Can jump for knight moves.}}
|{{Chess diagram small|3=ul|12=ul|18=ur|21=ul|22=xo|24=xo|25=ur|30=ul|32=ur|35=la|36=la|37=xo|39=ql|41=xo|42=ra|46=dl|48=dr|53=dl|54=xo|56=xo|57=dr|60=dl|66=dr|67='''Wyvern''' (notation '''vNsjRB'''). Moves as [[Bishop (chess)|bishop]], vertically as [[Knight (chess)|knight]], or at least 2 steps horizontally as a  [[Rook (chess)|rook]]. Can jump for knight moves and jumps over the first square for rook moves.}}
|}
{{clear}}

=== Bent Bozos (H. G. Muller) ===
The left and right rooks, left and right knights, left and right bishops, and queen are replaced by the following pieces: <ref>{{Cite web |title=chessvariants.com -- Comment Listing |url=https://www.chessvariants.com/index/listcomments.php?id=31018 |access-date=2023-02-17 |website=www.chessvariants.com}}</ref>
{| align="left" border="0" cellpadding="1" cellspacing="0"
|-valign="top"

|{{Chess diagram small|8=ua|16=ua|24=ua|27=la|28=la|29=la|30=xo|32=xo|39=rl|46=xo|48=xo|49=ra|50=ra|54=da|62=da|67='''Left Griffon''' (notation '''FaflR'''). Moves as [[Ferz (chess)|ferz]] and then, optionally, rotates 45 degrees left and then moves as a [[Rook (chess)|rook]].}}
|{{Chess diagram small|6=ua|14=ua|22=ua|30=xo|32=xo|33=ra|34=ra|39=rl|43=la|44=la|45=la|46=xo|48=xo|56=da|64=da|67='''Right Griffon''' (notation '''FafrR'''). Rotates 45 degrees right instead.}}
|{{Chess diagram small|4=ul|13=ul|22=ul|26=ur|31=xo|33=ur|38=xo|39=nl|40=xo|45=dl|47=xo|52=dl|56=dr|59=dl|65=dr|67='''Left Aanca''' (notation '''WaflB'''). Moves as [[Wazir (chess)|wazir]] and then, optionally, rotates 45 degrees left and moves as [[Bishop (chess)|bishop]].}}
|{{Chess diagram small|10=ur|11=ul|17=ur|20=ul|24=ur|29=ul|31=xo|38=xo|39=nl|40=xo|47=xo|49=dr|54=dl|58=dr|61=dl|67='''Right Aanca''' (notation '''WafrB'''). Rotates 45 degrees right instead.}}
|}
{| align="left" border="0" cellpadding="1" cellspacing="0"
|{{Chess diagram small|22=xo|23=xo|33=xo|37=xo|39=bl|41=xo|45=xo|55=xo|56=xo|67='''Left Sastik''' (notation '''DfflNdllNddrNfrrN)'''). Moves as [[Dabbaba (chess)|dabbaba]] or a [[Knight (chess)|knight]] one to the left of the dababba move}}
|{{Chess diagram small|23=xo|24=xo|29=xo|37=xo|39=bl|41=xo|49=xo|54=xo|55=xo|67='''Right Sastik''' (notation '''DffrNdrrNddlNfllN)'''). Moves as [[Dabbaba (chess)|dabbaba]] or a [[Knight (chess)|knight]] one to the right of the dababba move}}
|{{Chess diagram small|6=ua|8=ua|14=ua|16=ua|22=ua|24=ua|27=la|28=la|29=la|30=xo|32=xo|33=ra|34=ra|39=ql|43=la|44=la|45=la|46=xo|48=xo|49=ra|50=ra|54=da|56=da|62=da|64=da|67='''[[Grant Acedrex#Aanca|Griffon]]''' (notation '''FafR'''). Moves as [[Ferz (chess)|ferz]] and then optionally continues outwards as a [[Rook (chess)|rook]].}}
|}
{{clear}}

=== Fearful Fairies (Jörg Knappen) ===
The rooks, knights, bishops, and queen are replaced by the following pieces:<ref>{{Cite web|title=Fearful fairies|url=https://www.chessvariants.com/rules/fearful-fairies|access-date=2024-11-24|website=www.chessvariants.com}}</ref>
{| align="left" border="0" cellpadding="1" cellspacing="0"
|-valign="top"

|{{Chess diagram small | |
|  |  |  |  |  |  |  | 
|  |  |  |  |  |  |  | 
|  |  |xo|  |  |  |xo| 
|  |  |  |  |xo|  |  | 
|  |  |  |xo|rl|xo|  | 
|  |  |  |  |xo|  |  | 
|  |  |xo|  |  |  |xo| 
|  |  |  |  |  |  |  | 
| '''[[Phoenix (chess)|Phoenix]]''' (notation '''WA'''). Moves as wazir or alfil. Can jump for all moves. Named waffle in the Colorbound Clobberers.
}}
|{{Chess diagram small | |
|  |  |  |  |  |  |  | 
|  |  |  |  |  |  |  | 
|  |  |  |xo|  |xo|  | 
|  |  |xo|xo|  |xo|xo| 
|  |  |  |  |nl|  |  |
|  |  |xo|xo|  |xo|xo| 
|  |  |  |xo|  |xo|  | 
|  |  |  |  |  |  |  | 
| '''Dullahan''' (notation '''FN'''). Moves as knight or ferz.
}}
|{{Chess diagram small | |
|  |  |  |  |  |  |  | 
|  |  |  |  |  |  |  | 
|  |  |xo|  |  |  |xo| 
|  |  |  |xo|  |xo|  | 
|  |  |  |  |bl|  |  |
|  |  |  |xo|  |xo|  | 
|  |  |xo|  |  |  |xo| 
|  |  |  |  |  |  |  | 
| '''Fearful''' (notation '''FA'''). Moves as one square diagonally or jump two squares diagonally. The name is a word play on Ferz-Alfil aka Ferfil.
}}
|{{Chess diagram small | |
|ul|  |xo|  |  |  |xo| 
|  |ul|  |  |  |  |  |ur
|xo|  |ul|xo|  |xo|ur| 
|  |  |xo|ul|  |ur|xo| 
|  |  |  |  |al|  |  | 
|  |  |xo|dl|  |dr|xo| 
|xo|  |dl|xo|  |xo|dr| 
|  |dl|  |  |  |  |  |dr
| '''Banshee''' (notation '''BNN'''). Moves as Bishop or Nightrider, making consecutive knight moves in the same direction. It may jump over pieces using the knight moves, but all intermediate knight squares must be free.
}}
|-
|}
{{clear}}

=== Silly Sliders (H. G. Muller) ===
The rooks, knights, bishops, and queen are replaced by the following pieces:<ref>{{Cite web|title=chessvariants.com -- Comment Listing|url=https://www.chessvariants.com/index/listcomments.php?id=42230|access-date=2024-03-05|website=www.chessvariants.com}}</ref>
{| align="left" border="0" cellpadding="1" cellspacing="0"
|-valign="top"

|{{Chess diagram small | |
|  |  |  |  |ua|  |  | 
|  |  |  |  |ua|  |  | 
|  |  |  |  |ua|  |  | 
|  |  |  |xo|  |xo|  | 
|la|la|la|  |rl|  |ra|ra
|  |  |  |xo|  |xo|  | 
|  |  |  |  |da|  |  | 
|  |  |  |  |da|  |  | 
| '''Lame Duck''' (notation '''FyafW'''). Moves as rook or ferz, but may not move like a wazir.
}}
|{{Chess diagram small | |
|  |  |  |  |  |  |  | 
|  |  |  |  |  |  |  | 
|  |  |  |  |xo|  |  | 
|  |  |  |xo|  |xo|  | 
|  |  |xo|  |nl|  |xo| 
|  |  |  |xo|  |xo|  | 
|  |  |  |  |xo|  |  | 
|  |  |  |  |  |  |  | 
| '''Diamond''' (notation '''FD'''). Moves as ferz or dabbaba. Can jump for dabbaba moves.
}}
|{{Chess diagram small | |
|ul|  |  |  |  |  |  | 
|  |ul|  |  |  |  |  |ur
|  |  |ul|  |  |  |ur| 
|  |  |  |  |xo|  |  | 
|  |  |  |xo|bl|xo|  | 
|  |  |  |  |xo|  |  | 
|  |  |dl|  |  |  |dr| 
|  |dl|  |  |  |  |  |dr
| '''Onyx''' (notation '''WyafF'''). Moves as bishop or wazir, but may not move like a ferz.
}}
|{{Chess diagram small | |
|ul|  |  |  |ua|  |  | 
|  |ul|  |  |ua|  |  |ur
|  |  |ul|xo|ua|xo|ur| 
|  |  |xo|  |  |  |xo| 
|la|la|la|  |ql|  |ra|ra
|  |  |xo|  |  |  |xo| 
|  |  |dl|xo|da|xo|dr| 
|  |dl|  |  |da|  |  |dr
| '''Squire''' (notation '''NyafK'''). Moves as amazon, but may not move like a king. Can jump for knight moves.
}}
|-
|}
{{clear}}

=== Hoppel-Poppel ===
''Hoppel-Poppel'' is originally a popular chess variant from Germany played with equal armies. Its army fits perfectly into Chess with Different Armies and is therefore listed here. In this army the knights and bishops are replaced by the following pieces:<ref>{{Cite web|title=Hoppel-Poppel|url=https://www.chessvariants.com/diffmove.dir/hoppel-poppel.html|website=www.chessvariants.com}}</ref>

{| align="left" border="0" cellpadding="1" cellspacing="0"
|-valign="top"
|{{Chess diagram small | |
|xo|  |  |  |  |  |  | 
|  |xo|  |  |  |  |  |xo
|  |  |xo|xx|  |xx|xo| 
|  |  |xx|xo|  |xo|xx| 
|  |  |  |  |nl|  |  |
|  |  |xx|xo|  |xo|xx| 
|  |  |xo|xx|  |xx|xo| 
|  |xo|  |  |  |  |  |xo
| '''Knibis''' (notation '''mNcB'''). Moves without capture as a knight, captures as a bishop.
}}
|{{Chess diagram small | |
|xx|  |  |  |  |  |  | 
|  |xx|  |  |  |  |  |xx
|  |  |xx|xo|  |xo|xx| 
|  |  |xo|xx|  |xx|xo| 
|  |  |  |  |bl|  |  | 
|  |  |xo|xx|  |xx|xo| 
|  |  |xx|xo|  |xo|xx| 
|  |xx|  |  |  |  |  |xx
| '''Biskni''' (notation '''mBcN'''). Moves without capture as bishop, captures as a knight.
}}
|-
|}
{{clear}}

== References ==
{{Reflist}}

{{Chess variants}}

[[Category:Chess variants]]