rnn1k1r1/pb1N2pp/P4p2/1p6/1bPp4/B3P3/3P2PP/R3KB1R w KQq - 1 23
FEN state: rnn1k1r1/pb1N2pp/P4p2/1p6/1bPp4/B3P3/3P2PP/R3KB1R w KQq - 1 23 ; Best move: a6b7
The current state of the chess board is: Black rook at a8, black knight at b8, black knight at c8, black king at e8 and black rook at g8. Black pawn at a7, black bishop at b7, white knight at d7, black pawn at g7 and black pawn at h7. White pawn at a6 and black pawn at f6. Black pawn at b5. Black bishop at b4, white pawn at c4 and black pawn at d4. White bishop at a3 and white pawn at e3. White pawn at d2, white pawn at g2 and white pawn at h2. White rook at a1, white king at e1, white bishop at f1 and white rook at h1. White kingside, white queenside and black queenside castles are available. Half move number is 1. Full move number is 23. White to move.