The most natural move, improving the knight.
1. e2e4  1... c7c5  2. g1f3  2... e7e6  3. d2d4  3... c5d4  4. f3d4  4... b8c6  5. b1c3  5... d7d6  6. g2g4 [%c_effect g4;square;g4;type;Interesting;persistent;true] The g2-g4 advance is good even when Black doesn't yet have the knight on f6. Nowadays this is quite common, but in the 80s, when the game that served as inspiration for the choice of this opening was played, the benefits of this pawn move were still being discovered. 6... h7h6  7. h2h4  7... a7a6  8. f1g2  8... f8e7  9. c1e3  9... c6d4  10. d1d4  10... e6e5  11. d4d1  11... c8e6 The initial position for this round. An interesting Sicilian battle with equal chances.