r1b1kbn1/q2pp1p1/ppn2pP1/P1p2Q1r/3PPP1p/1P5P/2P2KBR/RNB3N1 w q - 2 18
FEN state: r1b1kbn1/q2pp1p1/ppn2pP1/P1p2Q1r/3PPP1p/1P5P/2P2KBR/RNB3N1 w q - 2 18 ; Best move: f5h5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black knight at g8. Black queen at a7, black pawn at d7, black pawn at e7 and black pawn at g7. Black pawn at a6, black pawn at b6, black knight at c6, black pawn at f6 and white pawn at g6. White pawn at a5, black pawn at c5, white queen at f5 and black rook at h5. White pawn at d4, white pawn at e4, white pawn at f4 and black pawn at h4. White pawn at b3 and white pawn at h3. White pawn at c2, white king at f2, white bishop at g2 and white rook at h2. White rook at a1, white knight at b1, white bishop at c1 and white knight at g1. Black queenside is the only castle move available. Half move number is 2. Full move number is 18. White to move.