雷挺婕 (Léi Tǐngjié) – 梁世奇 (Awonder Liáng)
1st Julius Bär Challengers Chess Tour; 1st stage; Polgár Challenge; time control: 10 minutes plus 5 seconds per move; chess24.com, April 9, 2021
King’s Indian Defence E90
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Nf3 e5 7. d5 a5 8. Be3 Na6 9. g4 Nc5 10. Nd2 c6 11. Be2 a4 12. Qc2 Qa5 13. f3 Bd7 14. Kf2. Chess without castling. 14. ... Ne8 15. Rag1 a3 16. b3 Nc7 17. h4 N7a6 18. Ndb1 Nb4 19. Qd1 f5 20. gxf5 gxf5 21. Bh6 Rf7. Maybe it’s just by chance that Black’s King’s Indian culminated in a strategic triumph for White.
22. Rxg7+? Throwing away the win. White first ought to play 22. dxc6 rolling out the red carpet on the d-file. 22. ... Rxg7 23. Rg1?? And now 23. Bxg7 was a must, with still enough to secure a draw at least. 23. ... Rg6!−+ 24. h5. Apparently there’s no escape for the Rook, but...
24. ... Qb6! A very cold shower indeed, just shadowed by the “dual” 24. ... Qd8! (25. hxg6 Qh4+−+). 25. hxg6? Oblivious to the sword of Damocles hanging over her head, but other moves also lose. 25. ... Nxe4++ 26. Kg2 Qf2+ 27. Kh1 Qh4+ 28. Kg2 Qg3+ 0 : 1. Mate follows: 29. Kf1 Qf2# or 29. Kh1 Qh3#.
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