rnb1k2r/p1q1bppp/1p1pp2n/2P5/4PP2/7B/P1PP3P/RNBQ1KNR w kq - 0 10
FEN state: rnb1k2r/p1q1bppp/1p1pp2n/2P5/4PP2/7B/P1PP3P/RNBQ1KNR w kq - 0 10 ; Best move: c5d6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8 and black rook at h8. Black pawn at a7, black queen at c7, black bishop at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at b6, black pawn at d6, black pawn at e6 and black knight at h6. White pawn at c5. White pawn at e4 and white pawn at f4. White bishop at h3. White pawn at a2, white pawn at c2, white pawn at d2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white king 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. White to move.