rn2k1nr/1pp2qb1/B3bp1p/p2p3P/3PP1p1/PPN1P1P1/2P4R/RQB1K1N1 b Qkq - 2 20
FEN state: rn2k1nr/1pp2qb1/B3bp1p/p2p3P/3PP1p1/PPN1P1P1/2P4R/RQB1K1N1 b Qkq - 2 20 ; Best move: b8a6
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at c7, black queen at f7 and black bishop at g7. White bishop at a6, black bishop at e6, black pawn at f6 and black pawn at h6. Black pawn at a5, black pawn at d5 and white pawn at h5. White pawn at d4, white pawn at e4 and black pawn at g4. White pawn at a3, white pawn at b3, white knight at c3, white pawn at e3 and white pawn at g3. White pawn at c2 and white rook at h2. White rook at a1, white queen at b1, white bishop at c1, white king at e1 and white knight at g1. White queenside, black kingside and black queenside castles are available. Half move number is 2. Full move number is 20. Black to move.