r1bk2nr/1pN3p1/n3P3/p1pp1p1P/2PQPP2/4B2N/PP6/1R1K1B1R b - - 1 20
FEN state: r1bk2nr/1pN3p1/n3P3/p1pp1p1P/2PQPP2/4B2N/PP6/1R1K1B1R b - - 1 20 ; Best move: c5d4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8, black knight at g8 and black rook at h8. Black pawn at b7, white knight at c7 and black pawn at g7. Black knight at a6 and white pawn at e6. Black pawn at a5, black pawn at c5, black pawn at d5, black pawn at f5 and white pawn at h5. White pawn at c4, white queen at d4, white pawn at e4 and white pawn at f4. White bishop at e3 and white knight at h3. White pawn at a2 and white pawn at b2. White rook at b1, white king 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.