r1b1kbr1/pp1p1pp1/n4q2/2p1pP1Q/7P/3P2PN/PPP2P2/RNB1KB1R b KQq - 0 10
FEN state: r1b1kbr1/pp1p1pp1/n4q2/2p1pP1Q/7P/3P2PN/PPP2P2/RNB1KB1R b KQq - 0 10 ; Best move: d7d5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at a7, black pawn at b7, black pawn at d7, black pawn at f7 and black pawn at g7. Black knight at a6 and black queen at f6. Black pawn at c5, black pawn at e5, white pawn at f5 and white queen at h5. White pawn at h4. White pawn at d3, white pawn at g3 and white knight at h3. White pawn at a2, white pawn at b2, white pawn at c2 and white pawn at f2. 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, white queenside and black queenside castles are available. Half move number is 0. Full move number is 10. Black to move.