r2qkb1r/2pnpp1p/p1bp1np1/1N6/1PP1P1PP/8/PB1PQP2/R3KBNR b KQkq - 0 11
FEN state: r2qkb1r/2pnpp1p/p1bp1np1/1N6/1PP1P1PP/8/PB1PQP2/R3KBNR b KQkq - 0 11 ; Best move: a6b5
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at c7, black knight at d7, black pawn at e7, black pawn at f7 and black pawn at h7. Black pawn at a6, black bishop at c6, black pawn at d6, black knight at f6 and black pawn at g6. White knight at b5. White pawn at b4, white pawn at c4, white pawn at e4, white pawn at g4 and white pawn at h4. White pawn at a2, white bishop at b2, white pawn at d2, white queen at e2 and white pawn at f2. White rook at a1, 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 11. Black to move.