[%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.
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 