rn1q2n1/2b1kr2/b1P5/1Q2p1pp/3BKpP1/NP1PP2P/P4P2/1R3BNR b - - 2 23
FEN state: rn1q2n1/2b1kr2/b1P5/1Q2p1pp/3BKpP1/NP1PP2P/P4P2/1R3BNR b - - 2 23 ; Best move: a6b5
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8 and black knight at g8. Black bishop at c7, black king at e7 and black rook at f7. Black bishop at a6 and white pawn at c6. White queen at b5, black pawn at e5, black pawn at g5 and black pawn at h5. White bishop at d4, white king at e4, black pawn at f4 and white pawn at g4. White knight at a3, white pawn at b3, white pawn at d3, white pawn at e3 and white pawn at h3. White pawn at a2 and white pawn at f2. White rook at b1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 23. Black to move.