r2qkbnr/1pp1p2p/4b1p1/p2pnp2/PP6/B5PN/2PPPP1P/RN1QKB1R b Kkq - 0 8
FEN state: r2qkbnr/1pp1p2p/4b1p1/p2pnp2/PP6/B5PN/2PPPP1P/RN1QKB1R b Kkq - 0 8 ; Best move: a5b4
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at c7, black pawn at e7 and black pawn at h7. Black bishop at e6 and black pawn at g6. Black pawn at a5, black pawn at d5, black knight at e5 and black pawn at f5. White pawn at a4 and white pawn at b4. White bishop at a3, white pawn at g3 and white knight at h3. White pawn at c2, white pawn at d2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 8. Black to move.