r1bqk1nr/pp1np3/2p3pb/3p1p2/3P1P2/N1P1P1pP/PP6/R1BQKBNR w KQkq - 2 10
FEN state: r1bqk1nr/pp1np3/2p3pb/3p1p2/3P1P2/N1P1P1pP/PP6/R1BQKBNR w KQkq - 2 10 ; Best move: d1f3
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black knight at d7 and black pawn at e7. Black pawn at c6, black pawn at g6 and black bishop at h6. Black pawn at d5 and black pawn at f5. White pawn at d4 and white pawn at f4. White knight at a3, white pawn at c3, white pawn at e3, black pawn at g3 and white pawn at h3. White pawn at a2 and white pawn at b2. White rook at a1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 2. Full move number is 10. White to move.