r1b1k2r/pp1p3p/n3pq1b/2pP2P1/2P2Bp1/NP2P3/P4P1N/2RQKR2 w kq - 1 15
FEN state: r1b1k2r/pp1p3p/n3pq1b/2pP2P1/2P2Bp1/NP2P3/P4P1N/2RQKR2 w kq - 1 15 ; Best move: g5f6
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at d7 and black pawn at h7. Black knight at a6, black pawn at e6, black queen at f6 and black bishop at h6. Black pawn at c5, white pawn at d5 and white pawn at g5. White pawn at c4, white bishop at f4 and black pawn at g4. White knight at a3, white pawn at b3 and white pawn at e3. White pawn at a2, white pawn at f2 and white knight at h2. White rook at c1, white queen at d1, white king at e1 and white rook at f1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 15. White to move.