Shafran chess is a hexagonal chess variant played on a 70 hexagonal cells board.
The board is made up with 9 vertical files ('a' to 'i') and 10 diagonals.
Each player commands 18 pieces
When a player looks at the board, the right side is called his Bishop's flank (B), and the left side his Queen's flank (Q).
For its first move, the pawn can reach the middle of the board. This means for 'd', 'e' and 'f' files from 1 to 3 steps, for 'b', 'c', 'g' and 'h' files, from 1 to 2 steps, for 'a' and 'i' files, 1 step.
After first move, classical one step moves.
See crosses for captures.
"En passant" captures apply for 2 or 3 steps first moves.
"En passant" capture: yes.
Stalemate is a draw.
Castling: yes, can be short or long for both Queen's or Bishop's rook (see below).
