rn1b1rk1/1qp2ppp/p2p3n/8/pPb1pPP1/3PP2N/NQPB2BP/1R2K2R w K - 1 17
FEN state: rn1b1rk1/1qp2ppp/p2p3n/8/pPb1pPP1/3PP2N/NQPB2BP/1R2K2R w K - 1 17 ; Best move: g4g5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at d8, black rook at f8 and black king at g8. Black queen at b7, black pawn at c7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at a6, black pawn at d6 and black knight at h6. Black pawn at a4, white pawn at b4, black bishop at c4, black pawn at e4, white pawn at f4 and white pawn at g4. White pawn at d3, white pawn at e3 and white knight at h3. White knight at a2, white queen at b2, white pawn at c2, white bishop at d2, white bishop at g2 and white pawn at h2. White rook at b1, white king at e1 and white rook at h1. White kingside is the only castle move available. Half move number is 1. Full move number is 17. White to move.