rnb1k2r/1ppp1ppp/3b3n/p5q1/2PPpP2/NP3NPP/P2BP3/R2QKB1R w KQ - 1 10
FEN state: rnb1k2r/1ppp1ppp/3b3n/p5q1/2PPpP2/NP3NPP/P2BP3/R2QKB1R w KQ - 1 10 ; Best move: f3g5
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 b7, black pawn at c7, black pawn at d7, black pawn at f7, black pawn at g7 and black pawn at h7. Black bishop at d6 and black knight at h6. Black pawn at a5 and black queen at g5. White pawn at c4, white pawn at d4, black pawn at e4 and white pawn at f4. White knight at a3, white pawn at b3, white knight at f3, white pawn at g3 and white pawn at h3. White pawn at a2, white bishop at d2 and white pawn at e2. White rook at a1, white queen at d1, white king at e1, white bishop at f1 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.