rn2kb1r/3p4/5p2/p1pBp1p1/PqP1n2p/1P2KN1P/N2P1PP1/R1B2QR1 b q - 0 22
FEN state: rn2kb1r/3p4/5p2/p1pBp1p1/PqP1n2p/1P2KN1P/N2P1PP1/R1B2QR1 b q - 0 22 ; Best move: b4b3
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at d7. Black pawn at f6. Black pawn at a5, black pawn at c5, white bishop at d5, black pawn at e5 and black pawn at g5. White pawn at a4, black queen at b4, white pawn at c4, black knight at e4 and black pawn at h4. White pawn at b3, white king at e3, white knight at f3 and white pawn at h3. White knight at a2, white pawn at d2, white pawn at f2 and white pawn at g2. White rook at a1, white bishop at c1, white queen at f1 and white rook at g1. Black queenside is the only castle move available. Half move number is 0. Full move number is 22. Black to move.