Sharjah Masters: Gukesh, Sevian and Oparin co-leaders

by Carlos Alberto Colodro
5/23/2023 – Round 6 of the Sharjah Masters saw Dommaraju Gukesh taking down former sole leader Haik Martirosyan with the white pieces. Sam Sevian and Grigoriy Oparin also won on Monday and are now sharing the lead with Gukesh. Twelve players stand a half point back, including Uzbek rising star Nodirbek Yakubboev, who upset top seed Parham Maghsoodloo in what turned out to be an eventful sixth round. | Photos: Tournament’s Facebook page

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Gukesh beats former sole leader Martirosyan

Haik Martirosyan became the sole leader of the Sharjah Masters after beating Ju Wenjun in Sunday’s fifth round. The Armenian converted a knight versus bishop endgame (analysed below by GM Karsten Müller) to beat the women’s world champion. The very next day, though, Martirosyan was bested by Dommaraju Gukesh in yet another technical ending. Gukesh thus climbed to first place with 4½/6 points.

Two other players from the chasing pack, both representing the United States, also won on Tuesday and are now sharing the lead with Gukesh — i.e. Grigoriy Oparin and Sam Sevian. Oparin defeated Hans Niemann after the latter miscalculated in a double-edged position, while Sevian got the better of Australian GM Temur Kuybokarov.

It was a particularly good day for Oparin. The MA Candidate at the University of Missouri is also participating in Division II of the (online) ChessKid Cup, where he defeated Le Tuan Minh by a 2½-½ score shortly after beating Niemann in Sharjah.

Raunak Sadhwani, who was upset by Mahammad Muradli in the UAE, is also playing in the ChessKid Cup. Sadhwani beat Mamikon Gharibyan in Division II’s round-of-16.

Tuesday’s round 7 in Sharjah will see Gukesh playing white against Sevian, while Oparin will get the black pieces against fourth seed Yu Yangyi on board 2.

Sam Sevian

Sam Sevian

Gukesh 1 - 0 Martirosyan

In a materially balanced endgame with rooks and knights, Gukesh had the better pawn structure against Martirosyan. The Armenian decided not to simplify into a pure knight ending in the following position.

Gukesh vs. Martirosyan

Martirosyan thought for over six minutes before playing 36...Re5 instead of 36...Nxf2. Both moves keep the balance, but perhaps the Armenian later regretted not having simplified the position when he got a chance. Defending the pure knight endgame is not at all trivial, though!

Gukesh eventually reached a rook ending with 2 v 1 pawns on opposite flanks. Tablebases gave the position as winning for white during most of the remainder of the game — although Martirosyan did get a few chances to escape.

Both 55...f4+ and 55...Ke4 are given as drawn by the tablebases, while Martirosyan’s 55...Rb1 again leaves White in the driver’s seat. Gukesh did not falter again from this point on, and went on to grab a 74-move win.

Haik Martirosyan

Haik Martirosyan

Oparin 1 - 0 Niemann

On board 3, Niemann blundered against Oparin in a position in which his king was temporarily more vulnerable than his opponent’s.

Oparin vs. Niemann

30...Rf7 is not the right way to deal with the attack on the light-squared bishop (30...Ba8 or 30...Bc8 are both okay). Oparin quickly found 31.Qa2+, when 31...Bd5 — perhaps what Niemann had foreseen from afar — fails to 32.Rc8+

Black resigned.

Grigoriy Oparin, Hans Niemann

Grigoriy Oparin beat Hans Niemann in round 6

Martirosyan 1 - 0 Ju

Analysis from round 5 by GM Karsten Müller

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1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Bb4 5.Bg5 h6 6.Bxf6 Qxf6 7.e3 0-0 8.Rc1 dxc4 9.Bxc4 c5 10.0-0 cxd4 11.Ne4 Qe7 12.a3 Ba5 13.Qxd4 Rd8 14.Qe5 Bb6 15.Rfd1 Nd7 16.Qd6 Kf8 17.Qf4 Nf6 18.Ne5 Kg8 19.Rxd8+ Bxd8 20.Bd3 Nd5 21.Qxf7+ Qxf7 22.Nxf7 Kxf7 23.Nd6+ Kf8 24.Rxc8 Rxc8 25.Nxc8 Bf6 26.b3 a6 27.Be4 b5 28.Bxd5 exd5 29.Nb6 Bb2 30.Nxd5 Bxa3 31.b4 Ke8 32.Nc7+ Kd7 33.Nxa6 Kc6 34.Kf1 Kb6 35.Nc5 Bxb4 36.Nb3 Bd6 37.h3 Kc6 38.Ke2 g5 39.Kd3 Kd5 40.g3 b4 41.f4 h5 42.e4+ Ke6 43.Nd4+ Kd7 44.e5 Bc7 45.Ke4 h4 46.g4 gxf4 47.Kxf4 Bb6 48.Ke4 Bxd4 49.Kxd4 Ke6 50.Kc4 Kxe5 51.Kxb4 Kd4
The long march. Opposition is one of the main weapons in many pawn endings: 52.Kb3!? White will win the fight for the opposition with a long king march. Kd5 Black has the diagonal oposition, but cannot keep it as she cannot play Kf5 after Kf3. 53.Kc3 Ke4 54.Kc4 Ke5 Counterplay with 54...Kf4 55.Kd4 Kg3 is too slow due to 56.g5 Kxh3 57.g6 Kg2 58.g7 h3 59.g8Q++- 55.Kd3 Kd5
Normal opposition. 56.Ke3 Ke5 57.Kf3 Now Black cannot play Kf5 with normal opposition. Kf6 58.Ke4! The right approach. The direct 58.Kf4?! Kg6 59.g5? runs into Kh5!= 58...Kg5 59.Ke5 Normal opposition Kg6 60.Kf4 Kh6 60...Kh6 61.Kf5 Kg7 62.Kg5+-
1–0
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WhiteEloWBlackEloBResYearECOEventRnd
Martirosyan,H2675Ju,W25501–02023D386th Sharjah Masters 20235.4

Standings - Round 6

Rk. Name Pts.  TB1 
1 Sevian, Samuel 4,5 0
2 Gukesh, D 4,5 0
3 Oparin, Grigoriy 4,5 0
4 Nihal, Sarin 4 0
5 Kovalev, Vladislav 4 0
6 Praggnanandhaa, R 4 0
7 Aryan, Chopra 4 0
8 Tabatabaei, M. Amin 4 0
9 Sjugirov, Sanan 4 0
10 Yu, Yangyi 4 0
11 Korobov, Anton 4 0
12 Yakubboev, Nodirbek 4 0
13 Esipenko, Andrey 4 0
14 Martirosyan, Haik M. 4 0
15 Petrosyan, Manuel 4 0
16 Cheparinov, Ivan 3,5 0
17 Kadric, Denis 3,5 0
18 Yilmaz, Mustafa 3,5 0
19 Suleymanli, Aydin 3,5 0
20 Niemann, Hans Moke 3,5 0

...78 players

Pairings - Round 7

Name Pts. Result Pts. Name
Sevian, Samuel Gukesh, D
Yu, Yangyi 4 Oparin, Grigoriy
Korobov, Anton 4 4 Sjugirov, Sanan
Yakubboev, Nodirbek 4 4 Praggnanandhaa, R
Esipenko, Andrey 4 4 Nihal, Sarin
Tabatabaei, M. Amin 4 4 Petrosyan, Manuel
Martirosyan, Haik M. 4 4 Aryan, Chopra
Niemann, Hans Moke 4 Kovalev, Vladislav
Erigaisi, Arjun Azarov, Sergei
Kuybokarov, Temur Salem, A.R. Saleh
Kadric, Denis Sindarov, Javokhir
Cheparinov, Ivan Vakhidov, Jakhongir
Nguyen, Thai Dai Van Mchedlishvili, Mikheil
Murzin, Volodar Yilmaz, Mustafa
Abasov, Nijat Suleymanli, Aydin

...39 boards

All games - Round 6

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1.e4 7 e5 1:02 2.Nf3 7 Nc6 7 3.Bc4 5 Bc5 6 4.c3 7 Nf6 5 5.d3 5 d6 21 6.0-0 21 h6 22 7.Re1 40 0-0 44 8.Nbd2 15       a6 40 9.Bb3 7:53 Be6 5:08 9...Re8 is setting a new trend. C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3. 10.Nf1 6:59 Bxb3 2:46 11.Qxb3 21 Re8 2:38
The position is equal. 12.Ng3!N 3:05       A top novelty. Predecessor: 12.Be3 Bxe3 13.Nxe3 Qd7 14.h3 Ne7 15.Nh2 c6 16.Nhg4 Nxg4 17.hxg4 d5 18.Rad1 ½-½ Kryvoruchko,Y (2682)-Dominguez Perez,L (2723) Capablanca Memorial Elite 51st 2016 (4) 12...d5 6:54 13.exd5 4:28 Qxd5 42 14.Ne4 13 14.Nh5 is interesting. Qxd3 15.Nxf6+ gxf6 16.Bxh6 Rab8 17.Be3 14...Qxb3 34 15.Nxf6+ 5 gxf6 6 16.axb3 2 Rad8 54 17.Be3 10:12 Bxe3 2:08 18.Rxe3 6 Re6 2:17 19.Nh4 8:07 Red6 4:38 20.Rd1 3:29 Ne7 1:25 Against Nf5 21.b4 21 Kf8 1:52 22.Kf1 2:54 Rd5 7:30 23.g3 3:52 Rb5 3:02 24.Rd2 7:22 a5 1:24 25.bxa5 4 Rxa5 4 26.Rde2 1:23 Ra1+ 2:39 27.Kg2 53 c5 2:23 28.f4 4:32       Rd1 7:14 28...Nd5= 29.Re4 exf4 29.fxe5± 23 R1xd3 50 30.Rxd3 48 Rxd3 6 31.exf6 6       Endgame KRN-KRN Ng8 2:45 32.Nf5 3:04 h5 3:10 33.Kh3 1:30 White is more active. Nxf6 1:29 34.Kh4! 1:21 Rd5 4:33 35.Rf2 26 35.Kg5± Nh7+ 36.Kf4 36.Kxh5? perishes. Rxf5+ 37.Kg4 Rf1-+ 35...Ne4 4:10 36.Ne3 4:03 Re5 6:36 37.Rf5 1:58 Re6 5 38.Nc4 11:20 Nd6 10:27 38...Kg7 39.Nxd6 37 39.Rxc5? Re4+ 40.Kxh5 Rxc4 39...Rxd6 2 40.Rxc5 51 Strongly threatening Rb5! KR-KR Rd2 5 41.Rb5 49 aiming for h3. But not 41.Rxh5?! Rxh2+ 42.Kg4 Rxb2= 41...Rxh2+ 10 42.Kg5 3 Ke7? 44 42...Rg2± 43.Rxb7++- 34 Ke6 5 44.b4 9:48 Rh3 5:37 45.Kf4 4 h4 7 46.gxh4 55 And now Rc7 would win. Rxh4+ 2:26 46...Rxc3 might work better. 47.Rb6+ Ke7 47.Ke3! 9 f5 12 47...Rc4 48.Kd3 Rh4 48.Rb6+ 40 Ke5 1:06 49.Rb5+ 1 Ke6 11 50.Rc5 1:21 Rh3+ 1:46 51.Kf4! 31 Rc6+ would be deadly. Rh4+ 1:49 52.Kg3 17 Rh1 53 53.b5? 3:38 53.c4+- 53...Kd6!= 31 54.Rc6+ 30 Ke5 4 55.c4 31 Rb1 52 56.b6 9 Ke4 29 57.c5? 41       White stays focused until the end. 57.Kg2= Rb2+ 58.Kf1 Rb1+ 59.Kf2 Rb2+ 60.Kg3 Rb3+ 61.Kh4 57...f4++- 7 58.Kg4 1:26 f3 2:15 59.Rf6 1 Kd5 4:26 60.Rf5+ 27 60.Rxf3 Kxc5 61.Rh3 Rxb6= 60...Kc6 16 61.Kxf3 16 White wants to mate with Kf4. 61.Rxf3 Kxc5 62.Rh3 Rxb6= 61...Re1 58 62.Kf4 1:07 Rf1+ 40 63.Ke5 16 Re1+ 37
64.Kf6! 2 Rh1 43 65.Ke7 36 White threatens Rf6+ and mate. Rh8 1:22 66.Rf6+ 1:28 White mates. Kxc5 28
67.Kd7! 9 Not 67.b7 Rb8= 67...Rh7+ 29 68.Kc8 4 Kb5 31 69.b7 22 Rh8+ 3 70.Kc7 8 Rh7+ 5 71.Kb8 4 Rh1 21 72.Rf2 1:00 Kb6 1:32 73.Rb2+ 6 Kc6 22 74.Ra2 18 Kd5 1:10 Weighted Error Value: White=0.08 (flawless) /Black=0.18 (very precise)
1–0
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WhiteEloWBlackEloBResYearECOEventRnd
Gukesh D2732Martirosyan,H26751–02023C546th Sharjah Masters 20236.1
Nihal Sarin2673Yu,Y2729½–½2023C426th Sharjah Masters 20236.2
Oparin,G2667Niemann,H27081–02023D276th Sharjah Masters 20236.3
Praggnanandhaa R2688Korobov,A2664½–½2023D436th Sharjah Masters 20236.4
Sevian,S2684Kuybokarov,T25661–02023A216th Sharjah Masters 20236.5
Aryan Chopra2617Esipenko,A2679½–½2023D356th Sharjah Masters 20236.6
Kovalev,V2612Tabatabaei,M2677½–½2023C676th Sharjah Masters 20236.7
Maghsoodloo,P2734Yakubboev,N26300–12023E276th Sharjah Masters 20236.8
Sjugirov,S2712Ju,W25501–02023C656th Sharjah Masters 20236.9
Sargsyan,S2630Erigaisi Arjun2701½–½2023E116th Sharjah Masters 20236.10
Petrosyan,M2629Predke,A26851–02023C506th Sharjah Masters 20236.11
Salem,A2677Murzin,V2604½–½2023D526th Sharjah Masters 20236.12
Sindarov,J2661Galperin,P2528½–½2023E906th Sharjah Masters 20236.13
Aditya Mittal2522Cheparinov,I2660½–½2023D386th Sharjah Masters 20236.14
Suleymanli,A2560Nguyen,T2645½–½2023A136th Sharjah Masters 20236.15
Yilmaz,M2641Kadric,D2601½–½2023E946th Sharjah Masters 20236.16
Azarov,S2582Abasov,N2634½–½2023C546th Sharjah Masters 20236.17
Mchedlishvili,M2553Narayanan.S.L2660½–½2023B226th Sharjah Masters 20236.18
Vidit,S2731Sanal,V2600½–½2023C456th Sharjah Masters 20236.19
Aravindh,C2633Moroni,L2535½–½2023C546th Sharjah Masters 20236.20
Theodorou,N2591Dardha,D26310–12023B106th Sharjah Masters 20236.21
Vokhidov,S2586Indjic,A2618½–½2023C646th Sharjah Masters 20236.22
Vakhidov,J2607Yuffa,D25921–02023D136th Sharjah Masters 20236.23
Asis Gargatagli,H2519Mendonca,L2603½–½2023B126th Sharjah Masters 20236.24
Robson,R2704Ivic,V2595½–½2023C436th Sharjah Masters 20236.25
Harsha Bharathakoti2602Chigaev,M2628½–½2023D376th Sharjah Masters 20236.26
Karthikeyan,M2627Bernadskiy,V25921–02023C076th Sharjah Masters 20236.27
Muradli,M2531Sadhwani,R26271–02023E926th Sharjah Masters 20236.28
Jumabayev,R2590Ter-Sahakyan,S2617½–½2023A066th Sharjah Masters 20236.29
Erdos,V2565Yoo,C2607½–½2023C476th Sharjah Masters 20236.30
Vescovi,G2606Tin,J2576½–½2023D366th Sharjah Masters 20236.31
Sethuraman,S2626Kobalia,M25781–02023C506th Sharjah Masters 20236.32
Puranik,A2613Acs,P25611–02023B696th Sharjah Masters 20236.33
Mastrovasilis,D2603Can,E25751–02023B516th Sharjah Masters 20236.34
Piorun,K2601Van Foreest,L25561–02023A096th Sharjah Masters 20236.35
Peralta,F2596Mishra,A2550½–½2023D476th Sharjah Masters 20236.36
Vasquez Schroeder,R2524Adhiban,B25890–12023B446th Sharjah Masters 20236.37
Socko,B2591Dragnev,V2593½–½2023E046th Sharjah Masters 20236.38
Petkov,M2522Iskandarov,M2577½–½2023D386th Sharjah Masters 20236.39

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Carlos Colodro is a Hispanic Philologist from Bolivia. He works as a freelance translator and writer since 2012. A lot of his work is done in chess-related texts, as the game is one of his biggest interests, along with literature and music.

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