rn1b2qr/2p1k1pp/p2p4/2p2p2/2PN1Pn1/3P4/PP1BB2P/R2QK2R w KQ - 2 17
FEN state: rn1b2qr/2p1k1pp/p2p4/2p2p2/2PN1Pn1/3P4/PP1BB2P/R2QK2R w KQ - 2 17 ; Best move: d4f5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at d8, black queen at g8 and black rook at h8. Black pawn at c7, black king at e7, black pawn at g7 and black pawn at h7. Black pawn at a6 and black pawn at d6. Black pawn at c5 and black pawn at f5. White pawn at c4, white knight at d4, white pawn at f4 and black knight at g4. White pawn at d3. White pawn at a2, white pawn at b2, white bishop at d2, white bishop at e2 and white pawn at h2. White rook at a1, white queen at d1, white king at e1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 2. Full move number is 17. White to move.