rnb1k1nr/2p3bp/1p2pqp1/p2p1p2/P1P5/1P3PPB/1R1PPK1P/1NBQ2NR w kq - 2 10
FEN state: rnb1k1nr/2p3bp/1p2pqp1/p2p1p2/P1P5/1P3PPB/1R1PPK1P/1NBQ2NR w kq - 2 10 ; Best move: c4d5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at c7, black bishop at g7 and black pawn at h7. Black pawn at b6, black pawn at e6, black queen at f6 and black pawn at g6. Black pawn at a5, black pawn at d5 and black pawn at f5. White pawn at a4 and white pawn at c4. White pawn at b3, white pawn at f3, white pawn at g3 and white bishop at h3. White rook at b2, white pawn at d2, white pawn at e2, white king at f2 and white pawn at h2. White knight at b1, white bishop at c1, white queen at d1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 2. Full move number is 10. White to move.