r1b1k3/bQ1p2pp/pp2pR2/P1p5/1nPP2r1/8/RP6/1N1K1BN1 w q - 0 24
FEN state: r1b1k3/bQ1p2pp/pp2pR2/P1p5/1nPP2r1/8/RP6/1N1K1BN1 w q - 0 24 ; Best move: b7a8
The current state of the chess board is: Black rook at a8, black bishop at c8 and black king at e8. Black bishop at a7, white queen at b7, black pawn at d7, black pawn at g7 and black pawn at h7. Black pawn at a6, black pawn at b6, black pawn at e6 and white rook at f6. White pawn at a5 and black pawn at c5. Black knight at b4, white pawn at c4, white pawn at d4 and black rook at g4. White rook at a2 and white pawn at b2. White knight at b1, white king at d1, white bishop at f1 and white knight at g1. Black queenside is the only castle move available. Half move number is 0. Full move number is 24. White to move.