r3kbnr/1ppqpppp/p7/5b2/PP1np3/2P1B2P/4PPP1/1R1QKBNR b Kkq - 1 10
FEN state: r3kbnr/1ppqpppp/p7/5b2/PP1np3/2P1B2P/4PPP1/1R1QKBNR b Kkq - 1 10 ; Best move: d4c6
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at c7, black queen at d7, black pawn at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at a6. Black bishop at f5. White pawn at a4, white pawn at b4, black knight at d4 and black pawn at e4. White pawn at c3, white bishop at e3 and white pawn at h3. White pawn at e2, white pawn at f2 and white pawn at g2. White rook at b1, white queen at d1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside, black kingside and black queenside castles are available. Half move number is 1. Full move number is 10. Black to move.