rnbq1k1r/1pp2pb1/6pn/p2p2p1/1PPP4/P7/2Q1PPPP/RNB1KB1R b KQ - 0 10
FEN state: rnbq1k1r/1pp2pb1/6pn/p2p2p1/1PPP4/P7/2Q1PPPP/RNB1KB1R b KQ - 0 10 ; Best move: g7d4
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 king at f8 and black rook at h8. Black pawn at b7, black pawn at c7, black pawn at f7 and black bishop at g7. Black pawn at g6 and black knight at h6. Black pawn at a5, black pawn at d5 and black pawn at g5. White pawn at b4, white pawn at c4 and white pawn at d4. White pawn at a3. White queen at c2, white pawn at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 0. Full move number is 10. Black to move.