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Explanation of the Bureau: Nakamura Kagosu Baicheng Lajapv

Author:International Federation Time:2022.06.19

2022 World Champions Candidate Tournament. The second round. After 75 rounds of battle, Nakamura defeated Rajapov in the endgame, becoming the only player in this round. Let's find out the process of the game.

Nakamura -Rajapov

2022 World Champion Candidate Tournament 2

Spain Berlin Defense (C65)

1.E4 E5 2.NF3 NC6 3.BB5 NF6

It can be expected that there will be a contest of Berlin defense in many sets of Spain in this competition. Nakamura himself is the surrounding person. In the first round, Nakamura Katana used Berlin defense against Karu Ana. More Nakamura's opponents in Berlin's defense can refer to the article "Intermediate Class: Carson and Nakamura Light Bouquet Berlin Defense".

4.D3 BC55.NBD2

In Nakamura Kuroshi against Karu Ana, the two sides followed: 5. BXC6 DXC6 6. NBD2 BE6 7. O-O BD6 8. NB3 QE7 9. Na5 RB8 10. BG5 H6 11. BH4 G5 12. BG3 ND7 13. D4 F6 14. QD3 H5 15. DXE5 NXE5 16. BXE5 FXE5 17. NC4 RD8 18. NXD6+ CXD6 19. QE3 G4 20. ND2 A6 21. O-22. FXG4 HXG4 24. RAD1 D5 25 25 25 EXD5 CXD5 26. RDE1 E4 27. RXF8+ RXF8 28. C4 Re8 29. CXD5 BXD5 30. NF1 QE5 31. qg7 32. qd6 BC6 33. NE3 G3 qe5. qg6+ qd6 qe5 37. qh6 Qxg3 38. RF1 qg7 39. QH4 QH7 40. QG3+ QG7 41. QH4 BD7 42. RD1 BE6 43. ND5 RF8 44. QXE4 QH6 45. Re1 RD8 46. NE7+ KF7 47. NF5 QF5 48. RF1 BD5 49. NH6+ KG7 50 50 50 QG4+ 1-0, Karu Ana won.

5 ... nd4 6.nxd4 BXD4 7.c3 BB68.D4 C6 9.dxe5 CXB5 10.Exf6 qxf6 11.O-O-O-12.qh5 QC6 13.RE1 Re8 14.nf3 D5 15.Exd5 RXE1+ 16.nxe1 qc4 17. H3 BD7 18.qf3 Re8 19.be3 BXE3 20.FXE3 Re5 21.d6 QD5 22.RD1 QXF3 23.nxf3 RXE3

After some exchanges, the two sides entered the endgame. In the situation of the six soldiers of the six soldiers of the car, the six soldiers, the black king wing was multiple soldiers, and the white back of the wing was multi -soldiers.

24.rd5 F6 25.RC5 Re6 26.rc7 RXD6 27.RXB7 A6 28.nd4

After the 24-28 rounds, suddenly the situation was clear -a bad situation of a good horse VS, and the advantages of the Bai side's back -wing multi -soldiers seemed to appear, and the position of the white car was extremely positive. Black side must have the corresponding Wang Yi counterattack, otherwise there will be more fierce.

28 ... H5 29.H4 G5 30.g3 KF7 31.kf2 KG632.KE3RD5 33.ra7 RD6 34.B3 BE6 35.RC7 RD5! 36.rc6

36.Nxe6 Re5+37.kd4 RXE6, forming a basic and chess soldiers. Even in the case of time limit and passive situation, Hei Fang still came out of wonderful laws.

36 ... Re5+ 37.kf2 BD7

Hei Fang had only 54 seconds left at this time to take the last three steps.

38.RXA6GXH439.gxH4 Re4 40.rd6 BC8

There were 2 seconds left ... there was no danger, Hei Fangrajapov passed the crisis of time, but paid the price of a soldier.

41.rd8 BG4 42.RD5 BC8 43.RC5

Such as: 43.RXB5 RXH4, which is similar to the situation that is similar to the opposite method, which is also feasible.

43 ... BD7 44.RC7BE8!

It not only keeps the B5 soldiers, but also strengthens the protection of the H5 soldiers. Black side has done its best to play the remote combat capability of the elephant.

45.NF3 Re6 46.ra7 Re4 47.ra8 KF7 48.RD8 Re7 49.rd2 Re4 50.rd5 kg651.a3 Re7 52.ND4 Re4 53.nxb5 RXH4 Each require In the channel, Hei also won the H -line and F -line channels. The next step is to see which party can take the lead.

54.ND4 RH2+ 55.kg3 RD2 56.C4 RD3+ 57.kh4 BF7 58.rd8 RD1 59.A4 RH1+ 60.kg3 H4+ 61.kg2 RC1 62.A5 kh 63.kf2 kg4.rf8 H3!?

After calculation, Black Fangrajapov let go, because if you escape: 64 ... BG6 65.RG8 KH5 66.A6 RA1 67.C5 RXA6 68.c6 RA2+ 69.kf3 BD3 70.C7 BA6 71.C8 = Q bxc8 72.rxc8 +-, Bai Fang can also win. In actual combat, Heifang will want to pin on the H soldiers.