r1b2br1/1ppk1pp1/p3p3/7P/P2n1P2/R2PP3/1P1NQ1BK/2B3NR b - - 0 20
FEN state: r1b2br1/1ppk1pp1/p3p3/7P/P2n1P2/R2PP3/1P1NQ1BK/2B3NR b - - 0 20 ; Best move: d4e2
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8 and black rook at g8. Black pawn at b7, black pawn at c7, black king at d7, black pawn at f7 and black pawn at g7. Black pawn at a6 and black pawn at e6. White pawn at h5. White pawn at a4, black knight at d4 and white pawn at f4. White rook at a3, white pawn at d3 and white pawn at e3. White pawn at b2, white knight at d2, white queen at e2, white bishop at g2 and white king at h2. White bishop at c1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.