1r3b1r/p3pppp/1p2k2B/1q1bP3/7P/3R4/PP1QKPP1/RN4N1 b - - 4 20
FEN state: 1r3b1r/p3pppp/1p2k2B/1q1bP3/7P/3R4/PP1QKPP1/RN4N1 b - - 4 20 ; Best move: d5e4
The current state of the chess board is: Black rook at b8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at b6, black king at e6 and white bishop at h6. Black queen at b5, black bishop at d5 and white pawn at e5. White pawn at h4. White rook at d3. White pawn at a2, white pawn at b2, white queen at d2, white king at e2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1 and white knight at g1. Both players have exhausted their castles. Half move number is 4. Full move number is 20. Black to move.