rnb1k1nr/1ppp1pp1/4q2p/p1b1p3/PP4PP/N7/1BPPPP1N/RQ2KB1R b KQkq - 8 9
FEN state: rnb1k1nr/1ppp1pp1/4q2p/p1b1p3/PP4PP/N7/1BPPPP1N/RQ2KB1R b KQkq - 8 9 ; Best move: a5b4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at c7, black pawn at d7, black pawn at f7 and black pawn at g7. Black queen at e6 and black pawn at h6. Black pawn at a5, black bishop at c5 and black pawn at e5. White pawn at a4, white pawn at b4, white pawn at g4 and white pawn at h4. White knight at a3. White bishop at b2, white pawn at c2, white pawn at d2, white pawn at e2, white pawn at f2 and white knight at h2. White rook at a1, white queen at b1, white king at e1, white bishop at f1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 8. Full move number is 9. Black to move.