r1q1kbn1/pp5r/n2p1pbp/2pPp1p1/2P1NPP1/P6P/RP1QPR2/2B1KBN1 w q - 0 17
FEN state: r1q1kbn1/pp5r/n2p1pbp/2pPp1p1/2P1NPP1/P6P/RP1QPR2/2B1KBN1 w q - 0 17 ; Best move: f4f5
The current state of the chess board is: Black rook at a8, black queen at c8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at b7 and black rook at h7. Black knight at a6, black pawn at d6, black pawn at f6, black bishop at g6 and black pawn at h6. Black pawn at c5, white pawn at d5, black pawn at e5 and black pawn at g5. White pawn at c4, white knight at e4, white pawn at f4 and white pawn at g4. White pawn at a3 and white pawn at h3. White rook at a2, white pawn at b2, white queen at d2, white pawn at e2 and white rook at f2. 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 17. White to move.