rnq1kbn1/p3p3/2ppbp1r/1p4pp/2P1PP2/NP5R/P1QP2P1/1RB1KBN1 w q - 0 12
FEN state: rnq1kbn1/p3p3/2ppbp1r/1p4pp/2P1PP2/NP5R/P1QP2P1/1RB1KBN1 w q - 0 12 ; Best move: f4f5
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at c8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7 and black pawn at e7. Black pawn at c6, black pawn at d6, black bishop at e6, black pawn at f6 and black rook at h6. Black pawn at b5, black pawn at g5 and black pawn at h5. White pawn at c4, white pawn at e4 and white pawn at f4. White knight at a3, white pawn at b3 and white rook at h3. White pawn at a2, white queen at c2, white pawn at d2 and white pawn at g2. White rook at b1, white bishop at c1, white king at e1, white bishop at f1 and white knight at g1. Black queenside is the only castle move available. Half move number is 0. Full move number is 12. White to move.