r1b1qk1r/p2nb3/1p6/1PppPppp/1B2PQ1P/3P3R/P1P2nB1/RN2K1N1 w Q - 2 15
FEN state: r1b1qk1r/p2nb3/1p6/1PppPppp/1B2PQ1P/3P3R/P1P2nB1/RN2K1N1 w Q - 2 15 ; Best move: f4f2
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at e8, black king at f8 and black rook at h8. Black pawn at a7, black knight at d7 and black bishop at e7. Black pawn at b6. White pawn at b5, black pawn at c5, black pawn at d5, white pawn at e5, black pawn at f5, black pawn at g5 and black pawn at h5. White bishop at b4, white pawn at e4, white queen at f4 and white pawn at h4. White pawn at d3 and white rook at h3. White pawn at a2, white pawn at c2, black knight at f2 and white bishop at g2. White rook at a1, white knight at b1, white king at e1 and white knight at g1. White queenside is the only castle move available. Half move number is 2. Full move number is 15. White to move.