r1bqkb2/3ppprp/1p5n/pNp1n1p1/5P2/2PP2P1/P3P2P/1RBQKBNR w q - 5 12
FEN state: r1bqkb2/3ppprp/1p5n/pNp1n1p1/5P2/2PP2P1/P3P2P/1RBQKBNR w q - 5 12 ; Best move: f4e5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8 and black bishop at f8. Black pawn at d7, black pawn at e7, black pawn at f7, black rook at g7 and black pawn at h7. Black pawn at b6 and black knight at h6. Black pawn at a5, white knight at b5, black pawn at c5, black knight at e5 and black pawn at g5. White pawn at f4. White pawn at c3, white pawn at d3 and white pawn at g3. White pawn at a2, white pawn at e2 and white pawn at h2. White rook at b1, 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. Black queenside is the only castle move available. Half move number is 5. Full move number is 12. White to move.