Apothecary Chess-Classic
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Apothecary Chess - Classic is an Grand Chess and Omega Chess inspired large board variant that features the joker who imitates the last moved enemy piece at every turn, along with the capablanca compounds and two new minor pieces of which one (the siege elephant) is specific only to this game at the time of the game's creation. The game can be played by corespondence against human players here : https://www.chessvariants.com/play/pbm/play.php?game=Apothecary+Chess-Classic&settings=ApothecaryChess-Classic
Setup
The board is 10x10 with 8 brouhaha squares (more on them later) so 10x10+8. The ranks are numbered (0),1,2,3,...9,10,(11) and the files are denoted with a,b,c,...i,j. The parentheses stand for ranks that have only brouhaha squares. There are 24 possible initial setups for this game. For the purpose of explaining the initial setup pieces are split in seven categories:
1. The king has a fixed start location f2 for white f9 for black.
2. Average pieces are the two rooks of each player which also have fixed start locations, a1 and j1 for white and a10 and j10 for black
3. The strong pieces (three of them Queen, Chancellor,Archbishop; are the three most powerfull pieces in the game). They are placed on the board according to two variables. The first is a binary variable (may be represented by a coin toss) which can take the values winged (false,0,tails) or grand classic(true,1,heads). If the variable is winged then the three major pieces occupy the b2,e2,i2 squares for white and b9,e9,i9 for black. If the variable is grand classic (a reference on how the pieces are arranged in Cristian Freeling's Grand Chess) then the three major pieces occupy the d2,e2,g2 squares for white and d9,e9,g9 squares for black. Either way there are three spots and three major pieces to fill those spots. For that we have the second variable with six possible values (3 factorial). A dice throw may decide where pieces go like below:
1. from left to right Archbishop,Chancellor,Queen
2. from left to right Archbishop,Queen,Chancellor
3. from left to right Chancellor,Archbishop,Queen
4. from left to right Chancellor,Queen,Archbishop
5. from left to right Queen,Archbishop,Chancellor
6. from left to right Queen,Chancellor,Archbishop
4. The classic auxiliary minor pieces are the bishops and knights. They start on the 2nd (for white) and 9th (for black) rank, never on the a or j files in the spots left free by the major pieces. They too have two ways of arranging that could be represented by a coin toss. The first way is named bishops in (true,1,heads) and means the bishops are in the positions closer to the king (c2,h2,c9,h9 in grand classic, d2,g2,d9,g9 in winged). The second way is named knights in (false,0,tails) and means that the knights are in the above mentioned closer to the king position. So two coin tosses and one dice throw means 2x2x6=24 possibilities.
5. The new auxiliary pieces are the siege elephant and the mameluk. They start in the brouhaha squares which are temporary squares set outside the normal board. These squares are: d0,e0,g0,h0,d11,e11,g11,h11. The d and g always filled by mameluks and the e and h files are always filled by elephants. Bruohaha squares disapear when they become empty. The only way for other pieces than the usual ones to land on the brouhaha squares is to capture a piece already there.
6. The joker (jester,fool) also ocupies a brouhaha sqaure. That is f0 for white and f11 for black.
7. Pawns fill the third rank of each player (3rd rank for white, 8th rank for black)
The starting positions are numbered from 1 to 24. A position is obtained throgh the formula 12xclassicminor+6xstrong+dicethrow. For example below we have initial position number 14. Notice the pink brouhaha squares.
Pieces
This game has 25 pieces per side of 11 different types (king and pawns included). From the perspective of strength and for pawns promotion purposes the pieces are split in 4 categories: 1. Strong pieces - they are the strongest in the game; there are 3 strong pieces: Queen- like orthodox chess queen on a 10x10 board Chancellor- moves as an orthodox knight and an orthodox rook Archbishop- moves as an orthodox knight and an orthodox bishop 2. Average pieces Rook- just an orthodox rook on a 10x10 board Joker (Jester, Fool)- Average piece in the opening;the strength of this piece is highly dependent on the opponents material. The joker (jester,fool) imitates the power movement and capture of the last piece moved by the opponent. Be careful as opposite to the advanced omega chess fool, from which the concept is taken, the apothecary joker doesn't immobilize pieces . 3. Auxiliary pieces Bishop- like an orthodox bishop on a 10x10 board knight- an orthodox knight with a zebra just move enhancement (i.e. jump for movement and not capture three squares in a direction and 2 in the other) Siege Elephant- has the powers of the ferz (one step diagonally), alfil (jump two squares diagonally) and power of the threeleaper (jumps three squares orthogonal) Mameluk- has the powers of the classic camel from Tamerlane chess (a (3,1) leaper i.e jumps to all squares 1 square far in one direction and 3 squares far in the other) and the power of the wazir (one square orthogonal) 4. Pawns Pawns - classic chess pawns on a 10x10 board from the point of view of movement and capture but that may promote starting the 8th rank according to piece categories. Pawns promote to any auxiliary pieces on the players 8th rank, any auxiliary or average peice at the 9th rank, and any piece at rank 10.For the purpose of limiting material when physical play is involved pawns are also restricted to promote to the pieces in reserve. In the reserve enter all the pieces captured of the colour of the promoting pawn and from the begining of the game 1 queen, 1 rook, 1 knight & 1 mameluk. King- Not in a category; an orthodox chess king on a 10x10 board- the royal piece of this game. There is no castling in this game but the white king can, from the initial position only once, jump to c1,d1,h1,i1 and the black king can, from the initial position only once, jump to c10,d10,h10,i10.
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By Aurelian Florea.
Last revised by Aurelian Florea.
Web page created: 2020-06-12. Web page last updated: 2020-10-03