r1bqk1nr/p2p3p/npp2Q2/2b3p1/1P1p2P1/2P2P1P/P3P1B1/RNB1K1NR b KQkq - 0 10
FEN state: r1bqk1nr/p2p3p/npp2Q2/2b3p1/1P1p2P1/2P2P1P/P3P1B1/RNB1K1NR b KQkq - 0 10 ; Best move: d8f6
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at d7 and black pawn at h7. Black knight at a6, black pawn at b6, black pawn at c6 and white queen at f6. Black bishop at c5 and black pawn at g5. White pawn at b4, black pawn at d4 and white pawn at g4. White pawn at c3, white pawn at f3 and white pawn at h3. White pawn at a2, white pawn at e2 and white bishop at g2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white knight at g1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 10. Black to move.