5r2/1bpkn2p/2ppp1p1/n4pN1/1r6/PP1BP1B1/2P1KP1R/RQ6 b - - 2 23
FEN state: 5r2/1bpkn2p/2ppp1p1/n4pN1/1r6/PP1BP1B1/2P1KP1R/RQ6 b - - 2 23 ; Best move: b4g4
The current state of the chess board is: Black rook at f8. Black bishop at b7, black pawn at c7, black king at d7, black knight at e7 and black pawn at h7. Black pawn at c6, black pawn at d6, black pawn at e6 and black pawn at g6. Black knight at a5, black pawn at f5 and white knight at g5. Black rook at b4. White pawn at a3, white pawn at b3, white bishop at d3, white pawn at e3 and white bishop at g3. White pawn at c2, white king at e2, white pawn at f2 and white rook at h2. White rook at a1 and white queen at b1. Both players have exhausted their castles. Half move number is 2. Full move number is 23. Black to move.