rn1k1bn1/p1qp4/b1p1pppr/1p6/2NB2Pp/1PPPQP1B/P3P2P/3RK1NR w K - 1 15
FEN state: rn1k1bn1/p1qp4/b1p1pppr/1p6/2NB2Pp/1PPPQP1B/P3P2P/3RK1NR w K - 1 15 ; Best move: g4g5
The current state of the chess board is: Black rook at a8, black knight at b8, black king at d8, black bishop at f8 and black knight at g8. Black pawn at a7, black queen at c7 and black pawn at d7. Black bishop at a6, black pawn at c6, black pawn at e6, black pawn at f6, black pawn at g6 and black rook at h6. Black pawn at b5. White knight at c4, white bishop at d4, white pawn at g4 and black pawn at h4. White pawn at b3, white pawn at c3, white pawn at d3, white queen at e3, white pawn at f3 and white bishop at h3. White pawn at a2, white pawn at e2 and white pawn at h2. White rook at d1, white king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 1. Full move number is 15. White to move.