r2q1b1r/2p1pk1p/p4np1/p3P3/1P1P1P2/B2P4/7P/1R2K2R b - - 0 20
FEN state: r2q1b1r/2p1pk1p/p4np1/p3P3/1P1P1P2/B2P4/7P/1R2K2R b - - 0 20 ; Best move: d8d4
The current state of the chess board is: Black rook at a8, black queen at d8, black bishop at f8 and black rook at h8. Black pawn at c7, black pawn at e7, black king at f7 and black pawn at h7. Black pawn at a6, black knight at f6 and black pawn at g6. Black pawn at a5 and white pawn at e5. White pawn at b4, white pawn at d4 and white pawn at f4. White bishop at a3 and white pawn at d3. White pawn at h2. White rook at b1, white king at e1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.