r2q1b1r/2pp1k1p/b7/1NP2pp1/1nP2P2/5NP1/P3P1RP/RqB1KB2 b - - 0 23
FEN state: r2q1b1r/2pp1k1p/b7/1NP2pp1/1nP2P2/5NP1/P3P1RP/RqB1KB2 b - - 0 23 ; Best move: b1a1
The current state of the chess board is: Black rook at a8, black queen at d8, black bishop at f8 and black rook at h8. Black pawn at c7, black pawn at d7, black king at f7 and black pawn at h7. Black bishop at a6. White knight at b5, white pawn at c5, black pawn at f5 and black pawn at g5. Black knight at b4, white pawn at c4 and white pawn at f4. White knight at f3 and white pawn at g3. White pawn at a2, white pawn at e2, white rook at g2 and white pawn at h2. White rook at a1, black queen at b1, white bishop at c1, white king at e1 and white bishop at f1. Both players have exhausted their castles. Half move number is 0. Full move number is 23. Black to move.