2b1kb1r/2pnn2p/r4pp1/1P1qN2P/Q5R1/B3p3/P2P1PP1/RN2KB2 w Qk - 1 23
FEN state: 2b1kb1r/2pnn2p/r4pp1/1P1qN2P/Q5R1/B3p3/P2P1PP1/RN2KB2 w Qk - 1 23 ; Best move: b5a6
The current state of the chess board is: Black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at c7, black knight at d7, black knight at e7 and black pawn at h7. Black rook at a6, black pawn at f6 and black pawn at g6. White pawn at b5, black queen at d5, white knight at e5 and white pawn at h5. White queen at a4 and white rook at g4. White bishop at a3 and black pawn at e3. White pawn at a2, white pawn at d2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white king at e1 and white bishop at f1. White queenside and black kingside castles are available. Half move number is 1. Full move number is 23. White to move.