rnbq1b1r/p1pp1p2/4k1pp/1p2B3/PP3n2/2P2N1P/2QPPPPR/RN2KB2 b Q - 0 10
FEN state: rnbq1b1r/p1pp1p2/4k1pp/1p2B3/PP3n2/2P2N1P/2QPPPPR/RN2KB2 b Q - 0 10 ; Best move: f4h5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at d7 and black pawn at f7. Black king at e6, black pawn at g6 and black pawn at h6. Black pawn at b5 and white bishop at e5. White pawn at a4, white pawn at b4 and black knight at f4. White pawn at c3, white knight at f3 and white pawn at h3. White queen at c2, white pawn at d2, white pawn at e2, white pawn at f2, white pawn at g2 and white rook at h2. White rook at a1, white knight at b1, white king at e1 and white bishop at f1. White queenside is the only castle move available. Half move number is 0. Full move number is 10. Black to move.