13（十三）

Vincent Keymer – 雷挺婕 (Léi Tǐngjié)

1st Julius Bär Challengers Chess Tour; 1st stage; Polgár Challenge; time control: 10 minutes plus 5 seconds per move; chess24.com, April 10, 2021

Réti Opening A06

1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. Nc3 Be7 5. b3 0-0 6. Bb2 dxc4 7. Bxc4 a6 8. a4 c5 9. 0-0 Nc6 10. Ne2. 10. d4 would transpose into known stories; for instance: 10. ... cxd4 11. exd4 Nb4 12. Ne5 b6 13. Qf3 Ra7 14. Rad1 Bb7 15. Qh3 Nfd5 16. Nxd5 Bxd5 17. Bxd5 Qxd5 18. Rc1 Rb7 19. Rfe1 b5 20. a5 Bd6 21. Ba3 Rd8 22. Qh4 f6 23. Bxb4 Bxb4 24. Nc6 Bxe1 25. Nxd8 Qxd8 26. Rxe1 Qxa5 27. Qe4 Re7 28. d5 e5 29. d6 Rd7 30. Qd5+ Kf8 31. Rc1 Qd8 32. Rc6 g6 33. Rxa6 Kg7 34. h4 Kh6 35. Qc6 g5 36. g3 Kg7 37. hxg5 fxg5 38. Qxb5 Kf6 39. Ra5 Rxd6 40. Qxe5+ Kg6 41. Ra7 Kh6 42. Qg7+ Kh5 43. Qxh7+ Rh6 44. g4 Kxg4 45. Qxh6 1 : 0 Marshall – Janowski, Marienbad 1925. 10. ... Bd7 11. Qb1 h6 12. Rd1 Na5 13. Ng3 b5 14. axb5 axb5 15. Be2 Bc6 16. e4 Qb6 17. Qc2 Rfc8 18. Rab1 Be8 19. Bxf6 Bxf6 20. e5 Be7 21. Qe4 Nc6 22. Bd3 g6 23. Qf4 Kg7 24. h4 Nb4 25. Be4 Nd5 26. Bxd5 exd5 27. d4 c4 28. bxc4 Rxc4. 28. ... dxc4!? 29. d5 c3 is terribly double-edged. 29. Nf1 Qe6 30. Ne3

30. ... h5? Fearing perhaps too much the consequences of Ne3-g4, Black panics. 30. ... Rc3 31. Ng4 h5 may look dangerous, but apparently there’s nothing catastrophic about it. 31. Nxc4 bxc4 32. Ng5! Qc6. Also hopeless is 32. ... Bxg5 33. hxg5 followed by Qf4-f6+ and the invasion along the b-file. 33. Ra1! Rxa1 34. Rxa1 Qb7 35. Qc1 Qb6 36. Qf4 Qb7 37. Qf3! Bf8 38. Qf6+ Kg8 39. e6! Bg7 40. exf7+ Bxf7

41. Ra8+! Qxa8 42. Qxf7+ Kh8 43. Qxg6 Kg8 44. Qf7+ Kh8 45. Qxh5+ Kg8 46. Qh7+ Kf8 47. Ne6+ Kf7 48. Nxg7 Qa1+ 49. Kh2 c3 50. Nf5+ Ke6 51. Qg6+ Kd7 52. Qd6+ Kc8 53. Qc6+ Kb8 54. Ne3 1 : 0.