1n1q1bnr/rbpkp1pp/8/pp1p1p2/3P1P2/Q1P4P/PP2P1PR/RNB1KBN1 b Q - 0 10
FEN state: 1n1q1bnr/rbpkp1pp/8/pp1p1p2/3P1P2/Q1P4P/PP2P1PR/RNB1KBN1 b Q - 0 10 ; Best move: e7e5
The current state of the chess board is: Black knight at b8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black rook at a7, black bishop at b7, black pawn at c7, black king at d7, black pawn at e7, black pawn at g7 and black pawn at h7. Black pawn at a5, black pawn at b5, black pawn at d5 and black pawn at f5. White pawn at d4 and white pawn at f4. White queen at a3, white pawn at c3 and white pawn at h3. White pawn at a2, white pawn at b2, white pawn at e2, white pawn at g2 and white rook at h2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white bishop at f1 and white knight at g1. White queenside is the only castle move available. Half move number is 0. Full move number is 10. Black to move.