1. d2d4  1... d7d5  2. c2c4  2... e7e6  3. g1f3  3... g8f6  4. b1c3  4... d5c4  5. e2e4  5... b7b5 [%c_effect b5;square;b5;type;Interesting;persistent;true] This is an interesting and risky variation that I like to call the \"Argentine Variation,\" as it's often played by many Argentine grandmasters. It was played by Firouzja against Radjabov in the first round of last year's Candidates Tournament. Radjabov is on Lei's team so they certainly did a lot of work on this line. 6. e4e5  6... f6d5  7. c3b5 