r2n3r/1b1k2bp/n2P4/p4pq1/1P2BPPp/4P3/PP2KR2/RNQ1B1N1 b - - 0 23
FEN state: r2n3r/1b1k2bp/n2P4/p4pq1/1P2BPPp/4P3/PP2KR2/RNQ1B1N1 b - - 0 23 ; Best move: g5g4
The current state of the chess board is: Black rook at a8, black knight at d8 and black rook at h8. Black bishop at b7, black king at d7, black bishop at g7 and black pawn at h7. Black knight at a6 and white pawn at d6. Black pawn at a5, black pawn at f5 and black queen at g5. White pawn at b4, white bishop at e4, white pawn at f4, white pawn at g4 and black pawn at h4. White pawn at e3. White pawn at a2, white pawn at b2, white king at e2 and white rook at f2. White rook at a1, white knight at b1, white queen at c1, white bishop at e1 and white knight at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 23. Black to move.