r1b2k1r/1pbq1p1p/2p1p1pP/p2p2P1/Q1N2P2/PPPPP3/1B1N1n2/R3KB2 w Q - 3 24
FEN state: r1b2k1r/1pbq1p1p/2p1p1pP/p2p2P1/Q1N2P2/PPPPP3/1B1N1n2/R3KB2 w Q - 3 24 ; Best move: c4e5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at f8 and black rook at h8. Black pawn at b7, black bishop at c7, black queen at d7, black pawn at f7 and black pawn at h7. Black pawn at c6, black pawn at e6, black pawn at g6 and white pawn at h6. Black pawn at a5, black pawn at d5 and white pawn at g5. White queen at a4, white knight at c4 and white pawn at f4. White pawn at a3, white pawn at b3, white pawn at c3, white pawn at d3 and white pawn at e3. White bishop at b2, white knight at d2 and black knight at f2. White rook at a1, white king at e1 and white bishop at f1. White queenside is the only castle move available. Half move number is 3. Full move number is 24. White to move.