rnb1kNn1/1p1p2p1/8/2p3Bp/q1PP1r2/4p1P1/P3BPQP/RN2K2R b KQq - 6 20
FEN state: rnb1kNn1/1p1p2p1/8/2p3Bp/q1PP1r2/4p1P1/P3BPQP/RN2K2R b KQq - 6 20 ; Best move: a4b4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, white knight at f8 and black knight at g8. Black pawn at b7, black pawn at d7 and black pawn at g7. Black pawn at c5, white bishop at g5 and black pawn at h5. Black queen at a4, white pawn at c4, white pawn at d4 and black rook at f4. Black pawn at e3 and white pawn at g3. White pawn at a2, white bishop at e2, white pawn at f2, white queen at g2 and white pawn at h2. White rook at a1, white knight at b1, white king at e1 and white rook at h1. White kingside, white queenside and black queenside castles are available. Half move number is 6. Full move number is 20. Black to move.