1rbr1k2/ppqp2pp/n1pb4/4pp1n/1P3P2/P2PP1PR/2P1B1Q1/RNB1K3 b Q - 0 18
FEN state: 1rbr1k2/ppqp2pp/n1pb4/4pp1n/1P3P2/P2PP1PR/2P1B1Q1/RNB1K3 b Q - 0 18 ; Best move: h5f6
The current state of the chess board is: Black rook at b8, black bishop at c8, black rook at d8 and black king at f8. Black pawn at a7, black pawn at b7, black queen at c7, black pawn at d7, black pawn at g7 and black pawn at h7. Black knight at a6, black pawn at c6 and black bishop at d6. Black pawn at e5, black pawn at f5 and black knight at h5. White pawn at b4 and white pawn at f4. White pawn at a3, white pawn at d3, white pawn at e3, white pawn at g3 and white rook at h3. White pawn at c2, white bishop at e2 and white queen at g2. White rook at a1, white knight at b1, white bishop at c1 and white king at e1. White queenside is the only castle move available. Half move number is 0. Full move number is 18. Black to move.