1n2k1nr/rb2ppbp/pp6/2p5/1PPpPQ1p/N2P4/P2K2PP/1RB2B1R w k - 1 17
FEN state: 1n2k1nr/rb2ppbp/pp6/2p5/1PPpPQ1p/N2P4/P2K2PP/1RB2B1R w k - 1 17 ; Best move: f4b8
The current state of the chess board is: Black knight at b8, black king at e8, black knight at g8 and black rook at h8. Black rook at a7, black bishop at b7, black pawn at e7, black pawn at f7, black bishop at g7 and black pawn at h7. Black pawn at a6 and black pawn at b6. Black pawn at c5. White pawn at b4, white pawn at c4, black pawn at d4, white pawn at e4, white queen at f4 and black pawn at h4. White knight at a3 and white pawn at d3. White pawn at a2, white king at d2, white pawn at g2 and white pawn at h2. White rook at b1, white bishop at c1, white bishop at f1 and white rook at h1. Black kingside is the only castle move available. Half move number is 1. Full move number is 17. White to move.