1nb1kb1r/r1qpp1pp/pp3n2/2p1Np2/8/NPKP4/P1P1PPPP/R1BQ1B1R w k - 4 8
FEN state: 1nb1kb1r/r1qpp1pp/pp3n2/2p1Np2/8/NPKP4/P1P1PPPP/R1BQ1B1R w k - 4 8 ; Best move: f2f4
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black rook at a7, black queen at c7, black pawn at d7, black pawn at e7, black pawn at g7 and black pawn at h7. Black pawn at a6, black pawn at b6 and black knight at f6. Black pawn at c5, white knight at e5 and black pawn at f5. White knight at a3, white pawn at b3, white king at c3 and white pawn at d3. White pawn at a2, white pawn at c2, white pawn at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white bishop at f1 and white rook at h1. Black kingside is the only castle move available. Half move number is 4. Full move number is 8. White to move.