rnbk3r/1ppp1pp1/5n1p/pq2p3/1bP2PP1/4PQ1N/PP1P3P/RNB1K2R w KQ - 1 10
FEN state: rnbk3r/1ppp1pp1/5n1p/pq2p3/1bP2PP1/4PQ1N/PP1P3P/RNB1K2R w KQ - 1 10 ; Best move: c4b5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at d8 and black rook at h8. Black pawn at b7, black pawn at c7, black pawn at d7, black pawn at f7 and black pawn at g7. Black knight at f6 and black pawn at h6. Black pawn at a5, black queen at b5 and black pawn at e5. Black bishop at b4, white pawn at c4, white pawn at f4 and white pawn at g4. White pawn at e3, white queen at f3 and white knight at h3. White pawn at a2, white pawn at b2, white pawn at d2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at e1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 1. Full move number is 10. White to move.