It is firmly established in opening theory that this is the best way to cover the check.
1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. b1c3  3... c7c5  4. d4d5  4... e6d5  5. c4d5  5... d7d6  6. e2e4  6... g7g6  7. f2f4  7... f8g7  8. f1b5 [%cal df1b5][%c_arrow f1b5;keyPressed;none;from;f1;opacity;0.8;to;b5;persistent;false] Historically this line has always been considered one of the most dangerous against the Benoni.