1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1b5  3... a7a6  4. b5a4  4... g8f6  5. e1g1  5... f8e7  6. d2d3 A popular line  nowadays. White hopes to outplay his opponent in the arising lengthy  maneuvering battle. 6... b7b5  7. a4b3  7... d7d6  8. a2a4  8... c8d7  9. c2c3  9... e8g8  10. b3c2  10... f8e8  11. f1e1  11... h7h6  12. b1d2  12... e7f8  13. d2f1  13... b5b4 All very logical, Le creates his own play on the center and  the queenside. 14. f1g3  14... b4c3  15. b2c3  15... d6d5  16. e4d5  16... f6d5  17. c1d2  17... a8b8  18. a4a5 So in his turn fixes some squares for his pieces on the queenside and  an eventual target on a6. 18... d5f6  19. c2a4  19... f8d6 [#] 20. h2h3 A  novelty. 20... c6a7  21. a4c2  21... a7b5  22. d1c1 Clearly aiming at the h6-pawn and the black king. 22... d7c6  23. f3h4 The knight wants to be on f5 after which the  sacrifice will become inevitable. 23... d6f8 Therefore Le takes the  needed measures at once. 24. h4f5  24... d8d5 That was black's point, he is diverting the enemy active  pieces.