r1bq4/pppk4/n3p2p/P1bp1pr1/RP1P1PnP/4B3/2P1P1P1/1N1QKB1R w K - 8 15
FEN state: r1bq4/pppk4/n3p2p/P1bp1pr1/RP1P1PnP/4B3/2P1P1P1/1N1QKB1R w K - 8 15 ; Best move: h4g5
The current state of the chess board is: Black rook at a8, black bishop at c8 and black queen at d8. Black pawn at a7, black pawn at b7, black pawn at c7 and black king at d7. Black knight at a6, black pawn at e6 and black pawn at h6. White pawn at a5, black bishop at c5, black pawn at d5, black pawn at f5 and black rook at g5. White rook at a4, white pawn at b4, white pawn at d4, white pawn at f4, black knight at g4 and white pawn at h4. White bishop at e3. White pawn at c2, white pawn at e2 and white pawn at g2. White knight at b1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 8. Full move number is 15. White to move.