r1bq1knr/b2p4/p1n2p1p/1p3P1p/PPp3PP/3Pp3/2P1P1R1/R2QKBN1 b - - 1 23
FEN state: r1bq1knr/b2p4/p1n2p1p/1p3P1p/PPp3PP/3Pp3/2P1P1R1/R2QKBN1 b - - 1 23 ; Best move: c6b4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at f8, black knight at g8 and black rook at h8. Black bishop at a7 and black pawn at d7. Black pawn at a6, black knight at c6, black pawn at f6 and black pawn at h6. Black pawn at b5, white pawn at f5 and black pawn at h5. White pawn at a4, white pawn at b4, black pawn at c4, white pawn at g4 and white pawn at h4. White pawn at d3 and black pawn at e3. White pawn at c2, white pawn at e2 and white rook at g2. White rook at a1, white queen at d1, white king at e1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 1. Full move number is 23. Black to move.