r1bq1b2/pp1p1k1p/6rn/4ppQ1/RPp1PP2/2P4P/3P2P1/1NB1KBNR b K - 2 15
FEN state: r1bq1b2/pp1p1k1p/6rn/4ppQ1/RPp1PP2/2P4P/3P2P1/1NB1KBNR b K - 2 15 ; Best move: g6g5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8 and black bishop at f8. Black pawn at a7, black pawn at b7, black pawn at d7, black king at f7 and black pawn at h7. Black rook at g6 and black knight at h6. Black pawn at e5, black pawn at f5 and white queen at g5. White rook at a4, white pawn at b4, black pawn at c4, white pawn at e4 and white pawn at f4. White pawn at c3 and white pawn at h3. White pawn at d2 and white pawn at g2. White knight at b1, white bishop at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 2. Full move number is 15. Black to move.