r2qk1nr/p2pb1pp/npp5/3P1p2/6P1/1PP5/P3PP1P/RbQ1KBNR b KQkq - 0 9
FEN state: r2qk1nr/p2pb1pp/npp5/3P1p2/6P1/1PP5/P3PP1P/RbQ1KBNR b KQkq - 0 9 ; Best move: b1e4
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at d7, black bishop at e7, black pawn at g7 and black pawn at h7. Black knight at a6, black pawn at b6 and black pawn at c6. White pawn at d5 and black pawn at f5. White pawn at g4. White pawn at b3 and white pawn at c3. White pawn at a2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at a1, black bishop at b1, white queen at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 9. Black to move.