rnb1kb1r/ppq2pp1/7p/2pppn2/1PP1P2P/B1N2NP1/P2P1P2/R2QKB1R w KQkq - 0 10
FEN state: rnb1kb1r/ppq2pp1/7p/2pppn2/1PP1P2P/B1N2NP1/P2P1P2/R2QKB1R w KQkq - 0 10 ; Best move: c3d5
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 bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black queen at c7, black pawn at f7 and black pawn at g7. Black pawn at h6. Black pawn at c5, black pawn at d5, black pawn at e5 and black knight at f5. White pawn at b4, white pawn at c4, white pawn at e4 and white pawn at h4. White bishop at a3, white knight at c3, white knight at f3 and white pawn at g3. White pawn at a2, white pawn at d2 and white pawn at f2. White rook at a1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 10. White to move.