r2qk1nr/p1p1np1p/7b/1p1b2p1/PP1ppPP1/3PP2N/2PK3P/RNBQ1B1R w - - 1 15
FEN state: r2qk1nr/p1p1np1p/7b/1p1b2p1/PP1ppPP1/3PP2N/2PK3P/RNBQ1B1R w - - 1 15 ; Best move: f4g5
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7, black knight at e7, black pawn at f7 and black pawn at h7. Black bishop at h6. Black pawn at b5, black bishop at d5 and black pawn at g5. White pawn at a4, white pawn at b4, black pawn at d4, 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 pawn at c2, white king at d2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 15. White to move.