r1bqk2r/ppppb1pp/4Q3/5p2/3P2n1/4BP2/PP2P2P/RN1K1BNR b kq - 0 10
FEN state: r1bqk2r/ppppb1pp/4Q3/5p2/3P2n1/4BP2/PP2P2P/RN1K1BNR b kq - 0 10 ; Best move: d7e6
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at d7, black bishop at e7, black pawn at g7 and black pawn at h7. White queen at e6. Black pawn at f5. White pawn at d4 and black knight at g4. White bishop at e3 and white pawn at f3. White pawn at a2, white pawn at b2, white pawn at e2 and white pawn at h2. White rook at a1, white knight at b1, white king at d1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 10. Black to move.