rn2k2r/ppb2p1p/2p1bn2/1Q1pP1p1/6P1/2P2N2/PP1B1K2/RN6 w kq - 4 23
FEN state: rn2k2r/ppb2p1p/2p1bn2/1Q1pP1p1/6P1/2P2N2/PP1B1K2/RN6 w kq - 4 23 ; Best move: b5b7
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at b7, black bishop at c7, black pawn at f7 and black pawn at h7. Black pawn at c6, black bishop at e6 and black knight at f6. White queen at b5, black pawn at d5, white pawn at e5 and black pawn at g5. White pawn at g4. White pawn at c3 and white knight at f3. White pawn at a2, white pawn at b2, white bishop at d2 and white king at f2. White rook at a1 and white knight at b1. Black kingside and black queenside castles are available. Half move number is 4. Full move number is 23. White to move.