r1bq1b2/p2p1k2/4pp2/1pp3B1/P2P2n1/RP4PN/5P1P/1N1KR3 b - - 0 23
FEN state: r1bq1b2/p2p1k2/4pp2/1pp3B1/P2P2n1/RP4PN/5P1P/1N1KR3 b - - 0 23 ; Best move: f6g5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8 and black bishop at f8. Black pawn at a7, black pawn at d7 and black king at f7. Black pawn at e6 and black pawn at f6. Black pawn at b5, black pawn at c5 and white bishop at g5. White pawn at a4, white pawn at d4 and black knight at g4. White rook at a3, white pawn at b3, white pawn at g3 and white knight at h3. White pawn at f2 and white pawn at h2. White knight at b1, white king at d1 and white rook at e1. Both players have exhausted their castles. Half move number is 0. Full move number is 23. Black to move.