rn3b1r/2k1pppp/7B/p7/1Rbp2P1/1N1P2KN/1PP1P1PP/3Q1B1R b - - 1 20
FEN state: rn3b1r/2k1pppp/7B/p7/1Rbp2P1/1N1P2KN/1PP1P1PP/3Q1B1R b - - 1 20 ; Best move: a5b4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at f8 and black rook at h8. Black king at c7, black pawn at e7, black pawn at f7, black pawn at g7 and black pawn at h7. White bishop at h6. Black pawn at a5. White rook at b4, black bishop at c4, black pawn at d4 and white pawn at g4. White knight at b3, white pawn at d3, white king at g3 and white knight at h3. White pawn at b2, white pawn at c2, white pawn at e2, white pawn at g2 and white pawn at h2. White queen at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 20. Black to move.