r1q1k2r/p4p2/n2ppnB1/2N2P1p/2p3P1/1P2P3/1b1PQKNP/1RB4R b kq - 0 23
FEN state: r1q1k2r/p4p2/n2ppnB1/2N2P1p/2p3P1/1P2P3/1b1PQKNP/1RB4R b kq - 0 23 ; Best move: a6c5
The current state of the chess board is: Black rook at a8, black queen at c8, black king at e8 and black rook at h8. Black pawn at a7 and black pawn at f7. Black knight at a6, black pawn at d6, black pawn at e6, black knight at f6 and white bishop at g6. White knight at c5, white pawn at f5 and black pawn at h5. Black pawn at c4 and white pawn at g4. White pawn at b3 and white pawn at e3. Black bishop at b2, white pawn at d2, white queen at e2, white king at f2, white knight at g2 and white pawn at h2. White rook at b1, white bishop at c1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 23. Black to move.