rnb1k3/1p1p1q2/2p1p1Q1/pB1N1pp1/P7/b3P2P/RPPP1PP1/2BK2NR b q - 4 15
FEN state: rnb1k3/1p1p1q2/2p1p1Q1/pB1N1pp1/P7/b3P2P/RPPP1PP1/2BK2NR b q - 4 15 ; Best move: f7g6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black king at e8. Black pawn at b7, black pawn at d7 and black queen at f7. Black pawn at c6, black pawn at e6 and white queen at g6. Black pawn at a5, white bishop at b5, white knight at d5, black pawn at f5 and black pawn at g5. White pawn at a4. Black bishop at a3, white pawn at e3 and white pawn at h3. White rook at a2, white pawn at b2, white pawn at c2, white pawn at d2, white pawn at f2 and white pawn at g2. White bishop at c1, white king at d1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 4. Full move number is 15. Black to move.