r1bq1b1r/1p1kpppp/p2p4/2np1n2/5PP1/BP5P/P1PPP3/R2QKBNR w K - 1 12
FEN state: r1bq1b1r/1p1kpppp/p2p4/2np1n2/5PP1/BP5P/P1PPP3/R2QKBNR w K - 1 12 ; Best move: g4f5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black bishop at f8 and black rook at h8. Black pawn at b7, black king at d7, black pawn at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at a6 and black pawn at d6. Black knight at c5, black pawn at d5 and black knight at f5. White pawn at f4 and white pawn at g4. White bishop at a3, white pawn at b3 and white pawn at h3. White pawn at a2, white pawn at c2, white pawn at d2 and white pawn at e2. White rook at a1, white queen at d1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 1. Full move number is 12. White to move.