r1bk3r/p2pb3/n2n2p1/8/PP4PP/2P1Pp1B/2PB1P2/RN2KQ1R b KQ - 3 23
FEN state: r1bk3r/p2pb3/n2n2p1/8/PP4PP/2P1Pp1B/2PB1P2/RN2KQ1R b KQ - 3 23 ; Best move: c8b7
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8 and black rook at h8. Black pawn at a7, black pawn at d7 and black bishop at e7. Black knight at a6, black knight at d6 and black pawn at g6. White pawn at a4, white pawn at b4, white pawn at g4 and white pawn at h4. White pawn at c3, white pawn at e3, black pawn at f3 and white bishop at h3. White pawn at c2, white bishop at d2 and white pawn at f2. White rook at a1, white knight at b1, white king at e1, white queen at f1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 3. Full move number is 23. Black to move.