r2qk2r/p1p2pbp/2npb3/1p1np1pP/5R2/6P1/PPPPPP2/RNBQKBN1 w Qkq - 4 10
FEN state: r2qk2r/p1p2pbp/2npb3/1p1np1pP/5R2/6P1/PPPPPP2/RNBQKBN1 w Qkq - 4 10 ; Best move: f4f3
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at f7, black bishop at g7 and black pawn at h7. Black knight at c6, black pawn at d6 and black bishop at e6. Black pawn at b5, black knight at d5, black pawn at e5, black pawn at g5 and white pawn at h5. White rook at f4. White pawn at g3. White pawn at a2, white pawn at b2, white pawn at c2, white pawn at d2, white pawn at e2 and white pawn at f2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white knight at g1. White queenside, black kingside and black queenside castles are available. Half move number is 4. Full move number is 10. White to move.