1. c2c4  1... e7e6  2. b1c3  2... g8f6  3. g1f3  3... d7d5  4. d2d4  4... c7c6  5. c1g5  5... d5c4  6. a2a4 A much rarer move than 6.e4, but it also has its poison. 6... b7b5 [%c_effect b5;square;b5;type;Interesting;persistent;true] An active move, giving the pawn back immediately. Arjun had played 6...Bb4 in a blitz game in 2021. 7. g2g3 Very rare, but the game will later tranpose to a position that is known to theory.