Yakubboev is crowned in Qatar 2023/10/21

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The Uzbek Nodirbek Yakubboev defeated his compatriot Nodirbek Abdusattórov 2-0 in the five-minute technical tiebreaker of blitz games after Abdu unexpectedly struck down Arjun Erigaisi when he committed a blunder in a balanced final in a masterful fight in which both communicated to the duel sets of superior tactics.

R-9 results, last round: 1) Abhimanyu Puranik, India, 2,618 ½ Carlsen; 2) Narayanan ½ Naka; 3) Abdu 1-0 Erigaisi; 4) Yakubboev 1-0 Karthikeyan; 5) Anish Giri ½ Javokhir Sindarov; 6) Abhijeet Gupta, India 0-1 Gukesh; 7) Maghsoodloo 1-0 Temur Kuybokarov, Australia; 8) Oparin ½ Sethuraman; 9) Paravyan ½ Saleh Salem; 10) Chopra Aryan, India ½ Shimánov.

Qatar Open Final Classification held in Doha from October 11 to 20: 1) Nodirbek Yakubboev, Uzbekistan, 7 real points. 2) Nodirbek Abdusattórov, Uzbekistan, 7; 3) Sunilduth Lyna Narayanan, India, 6 ½; 4) Javokhir Sindarov, Uzbekistan, 6 ½; 5) Hikaru Nakamura, United States, 6 ½; 6) Arjun Erigaisi, India, 6 ½; 7) Parham Maghsoodloo, Iran, 6 ½; 8) Dommaraju Gukesh, India, 6 ½; 14 players follow with 6 points led by 9) David Paravyan, Russia; 10) Murali Karthikeyan, India; 11) Anish Giri, Netherlands; 12) Alesandr Shimanov, Russia; 13) Saleh Salem, United Arab Emirates; 14) Rinat Khumabayev, Kazakhstan; 15) Abhimanyu Puranik, India; 16) Magnus Carlsen, Norway; 17) SP Sethuraman, India; 18) Grigory Kaidanov, United States; 19) Jorden Van Foreest, Netherlands; 20) Grigory Oparín, United States; 21) Niahl Sarin, India; 22) Vladimir Fedoseev, Slovenia. 158 players from 30 countries and the International Chess Federation participated.

Unexpected outcome. Erigaisi's blunder before Abdu.

White: Nodirbek Abdusattórov, Uzbekistan, 2,716.

Black: Arjun Erigaisi, India, 2,712.

Queen's Gambit, Semi-Slavic Defense, D31.

R-9, Qatar Masters Open, in Doha, 10-20-2023.

1.c4 e6 2.Nc3 d5 3.d4 c6 4.e4 dxe4 5.Nxe4 Bb4+ 6.Bd2 Qxd4 7.Bxb4 Qxe4+ 8.Be2 Na6 9.Bd6 Qxg2 There are just over a hundred games with this position, mostly played in the last 15 years, under the concept of dynamic play. 10.Bf3 Qg5 11.Ne2 Ne7 12.Ng3= e5 Prophylactic lance. The queen is isolated and exposed to being harassed by the white minor pieces. (12...0–0 13.Ne4 Qa5+= 14.b4 Nxb4 15.0–0+=] 13.Qb3 The queen touches the weak point b7 and the configuration allows White to advance his plans: direct the Th-g1 in order to attack the other symmetrical weakness on g7. 13...0–0= 14.h4 Qf6 15.Ne4 Qe6 16.0–0–0 Re8 17.Rhg1 Nf5 18.Bh5 A tactical move with its dose of poison. All the white pieces were in harmony. Ng5 is threatened followed by Bxf7. Black cannot capture the bait of the piece without support, because after Qh6+ if he continues happily with Qxh5, then the knight captures the queen with Nf6+ 18...Nd4 19.Qd3 g6 20.f4 c5 21.fxe5 In addition to the pair, White has development and space. They are slightly better. 21...Nb4 22.Qf1 The two strong masters offer a dynamic tactical demonstration in which Abdu will momentarily have the advantage. 22...Qf5 The D attacks one of the most active pieces. 23.Rxd4! cxd4 24.Nf6+ Kh8 25.Bxb4± Rxe5 26.Bd1 The activity of the white pieces, with the confinement of Black's Ra8, compensates for the loss of the two fewer pawns. 26...Be6 27.Bd6 Bxc4 28.Ng4! In the exciting struggle of the middlegame and the endgame, White combines 28...Qxf1 If Black captures Qf1 with the bishop, White wins the game with: 28...Bxf1?? 29.Bxe5+ f6 (29...Kg8 30.Nh6+ Kf8 31.Bd6+ Ke8 32.Nxf5 gxf5 33.Rg8+ Rd7 34.Rxa8+-) 30.Bxf6+ Qxf6 31.Nxf6+-. 29.Bxe5+ Kg8 30.Rxf1 Bxf1² 31.Nf6+ The GM technique brings this fight to balance. 31...Kg7 (31...Kf8 32.Bd6+ Kg7 33.Be5 Rd8 34.Nd7+ Kg8 35.Nf6+ Kf8 36.Nxh7+ Ke7 37.Bf6+=) 32.Kd2= Bg2 33.b4 h6 34.Bb3 Kf8 35.Bxd4 Ke7 36.Ke3 b6 37.Ng4 Bh3 38.Kf4 (38.Bf6+ Kd6 39.Be5+ Ke7 40.Bf6+=) 38...g5+ 39.hxg5 hxg5+ 40.Kg3 Bxg4 41.Kxg4 Rd8 (41...f6 42.Kf5 Rf8 43.Bc3=) 42.Ba1 Rd3 43.Kxg5 a5 44.bxa5 bxa5 45.Bc4 Rd2 46.Kf4 a4 47.Bc3 Rh2 (47...Rc2 48.Bb4+ Kf6 49.Bd5 Rh2 50.a3=) 48.Kf5 Suddenly in a draw game Erigaisi makes the worst move that can be made on the board: 48...Rh4? Abdu strikes him down mercilessly. 49.Bf6+ With a significant blow to the forehead and a shake of the head, Erigaisi leaves. 1–0.

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