r1b1k1r1/pp2n1b1/n4ppp/2B1p3/NpP1P3/8/P2P1Q1N/R3KB1R b Qq - 1 23
FEN state: r1b1k1r1/pp2n1b1/n4ppp/2B1p3/NpP1P3/8/P2P1Q1N/R3KB1R b Qq - 1 23 ; Best move: a6c5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black rook at g8. Black pawn at a7, black pawn at b7, black knight at e7 and black bishop at g7. Black knight at a6, black pawn at f6, black pawn at g6 and black pawn at h6. White bishop at c5 and black pawn at e5. White knight at a4, black pawn at b4, white pawn at c4 and white pawn at e4. White pawn at a2, white pawn at d2, white queen at f2 and white knight at h2. White rook at a1, white king at e1, white bishop at f1 and white rook at h1. White queenside and black queenside castles are available. Half move number is 1. Full move number is 23. Black to move.