Oskemen Open 2025 MASTERS

SwissStandard

67 players participated in this 9-round tournament, held from 21 Jul 2025 to 29 Jul 2025 in Oskemen, Kazakhstan. 66 titled players from 8 federations. Top 10 Elo average was 2589, and top seed was Richard Rapport (🇭🇺 HUN, GM, 2715).

Aleksey Grebnev ( FID, GM, 2582) won with 7.0/9, ahead of Richard Rapport (7.0) and S.P. Sethuraman (6.5). Grebnev shared the lead from round 7, winning on tie-break.

The biggest upset came in round 4: Zeinep Sultanbek (WIM, 2067) beat Rohith Krishna S (GM, 2516), a +449-point gap.

Location

🇰🇿Oskemen, Kazakhstan

Dates

21 Jul 2025 → 29 Jul 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 9 rounds

Top seed

🇭🇺GMRichard Rapport2715

Avg top 10

2,589

Participants

Titled players · 66

GM×23

IM×33

FM×2

WGM×3

WIM×5

Federations · 8 represented

🇰🇿Kazakhstan×23

🇮🇳India×13

FIDE (no federation)×8

🇲🇳Mongolia×7

🇷🇺Russia×3

🇮🇷Iran×2

🇦🇲Armenia×2

🇹🇲Turkmenistan×1

Top 3

🥇
GMAleksey Grebnev
FID·2582
7.0pts·2714perf+15.5
🥈
GMRichard Rapport
🇭🇺HUN·2715
7.0pts·2708perf+0.6
🥉
GMS.P. Sethuraman
🇮🇳IND·2554
6.5pts·2677perf+14.5

How it unfolded

Top 6 · 9 rounds

Tight race until R5; 2 players tied at 7.0/9, decided on Buchholz. Title race narrowed from 3 co-leaders at R4 to 2 at the finish.

Co-leaders

Rapport7Grebnev7Bocharov6.5Sethuraman6.5Uskov6Demchenko6— ex-leaders:Atabayevled R3, #44

R5 · LEADER CHANGE25 Jul

GM Richard Rapport takes the sole lead (4.5/5).

R9 · TIEBREAK CLUSTER

2 players finish on 7.0/9. Grebnev takes the title on Buchholz Cut1 (44.0).

R8 · HEAD-TO-HEAD · WINNER VS 2ND

GM Richard Rapport drew with GM Aleksey Grebnev (White).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1GMRichard Rapport	*	½	—	½
2GMAleksey Grebnev	½	*	½	½
3GMDmitry Bocharov	—	½	*	—
4GMS.P. Sethuraman	½	½	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Grebnev, AlekseyGM	2582	FID	+11N	+66B	=10N	+42B	=3B	=4N	+46B	=2N	+13B	7.0	44.0	45.5	32.75	2714	+15.5
2	Rapport, RichardGM	2715	HUN	=40B	+44N	+43B	+12B	+46N	=13N	=3B	=1B	+6N	7.0	43.0	46.5	34.75	2708	+0.6
3	Sethuraman, S.P.GM	2554	IND	=44B	+40N	+21B	+14B	=1N	=10B	=2N	+12B	=5N	6.5	46.5	50.5	35.75	2677	+14.5
4	Bocharov, DmitryGM	2522	RUS	+34B	−30N	+56B	+23N	+31B	=1B	−6N	+28B	+14N	6.5	41.5	44.5	30.50	2625	+12.3
5	Makhnev, DenisGM	2535	KAZ	=29B	=22N	+24B	=11N	+20B	=7N	=17B	+31N	=3B	6.0	43.5	48.0	31.50	2579	+5.4
6	Demchenko, AntonGM	2610	SLO	−30B	=60N	+44B	+21N	+36B	=8N	+4B	+10N	−2B	6.0	43.5	46.0	30.25	2615	+0.8
7	Suleymenov, AlisherGM	2497	KAZ	+51N	=47B	=28N	+35B	=15N	=5B	=22N	+17B	=8N	6.0	40.5	44.0	28.75	2557	+7.1
8	Uskov, ArtemGM	2500	FID	+16B	−43N	=22B	+61N	+29B	=6B	=28N	+46N	=7B	6.0	39.0	41.5	26.75	2512	+2.6
9	Naiditsch, ArkadijGM	2629	BUL	−24N	+62B	=38N	+55B	−10N	+35B	=20N	+39B	+11N	6.0	38.0	40.5	25.00	2569	-6.7
10	Agmanov, ZhandosIM	2483	KAZ	+52B	+49N	=1B	=18N	+9B	=3N	=13B	−6B	=25N	5.5	45.0	48.5	27.75	2593	+14.0
11	Vaz, EthanIM	2429	IND	−1B	+57N	+19N	=5B	−12N	+48B	+36B	+15N	−9B	5.5	43.5	46.5	25.00	2572	+17.4
12	Ilamparthi A RGM	2500	IND	+53N	+24B	=46B	−2N	+11B	=22N	+23B	−3N	=18B	5.5	43.0	46.5	26.00	2512	+2.8
13	Narayanan S LGM	2597	IND	=55N	+45B	=27N	+47B	+42N	=2B	=10N	=14B	−1N	5.5	41.5	44.5	24.50	2576	-2.1
14	Tahbaz, ArashIM	2462	IRI	+48N	+37B	=18B	−3N	=32N	+47B	+33B	=13N	−4B	5.5	41.0	44.5	23.75	2583	+15.2
15	Lobanov, SergeiGM	2548	FID	=45N	+55B	=23B	+30N	=7B	=17N	=31B	−11B	+28N	5.5	39.5	42.5	24.50	2513	-3.9
16	Agibileg, UurtsaikhIM	2380	MGL	−8N	=25B	=26N	+40B	=34N	+55B	=37N	=32B	+31B	5.5	38.5	41.5	23.75	2565	+22.7
17	Stribuk, ArtiomIM	2468	FID	+64B	−46N	+49B	+43N	=18B	=15B	=5N	−7N	+33B	5.5	38.5	40.5	22.50	2484	+3.7
18	Goganov, AlekseyGM	2516	RUS	+62N	+61B	=14N	=10B	=17N	−46B	+30N	=22B	=12N	5.5	37.5	40.0	23.00	2485	-2.4
19	Sivuk, VitalyGM	2526	SWE	F	+41N	−11B	−22N	=24B	+56N	+47B	+53N	+29B	5.5	36.5	39.5	21.50	2543	+1.7
20	Pingin, ArtemIM	2468	RUS	=50N	−28B	+51N	+38B	−5N	+64B	=9B	=33N	+46B	5.5	36.0	38.0	20.50	2475	+2.3
21	Gan-Erdene, SugarIM	2454	MGL	=67N	+65B	−3N	−6B	+50N	−28B	+64N	+35B	+32N	5.5	33.0	34.0	16.50	2478	+3.5
22	Suleimen, ErgaliIM	2330	KAZ	=26N	=5B	=8N	+19B	+39N	=12B	=7B	=18N	−23B	5.0	44.5	49.0	27.00	2537	+48.6
23	Sapenov, DaniyalIM	2414	KAZ	F	=32B	=15N	−4B	+63N	+42B	−12N	+30B	+22N	5.0	41.0	43.5	21.00	2532	+12.9
24	Mayank ChakrabortyIM	2448	IND	+9B	−12N	−5N	−48B	=19N	+65B	=57N	+50B	+42N	5.0	37.0	38.5	19.25	2481	+3.9
25	Nikitenko, MihailGM	2517	BLR	−56B	=16N	=45B	−49N	+44B	+43N	+27B	=29N	=10B	5.0	36.0	39.0	22.75	2445	-8.7
26	Davtyan, ArturGM	2471	ARM	=22B	−29N	=16B	=56N	=41B	+49N	=34B	=36N	+43B	5.0	36.0	39.0	21.00	2428	-5.4
27	Utegaliyev, Azamat	2462	KAZ	=65N	+67B	=13B	=33N	=30B	−31N	−25N	+51B	+57N	5.0	32.0	33.0	15.50	2459	-0.2
28	Balabayeva, XeniyaWGM	2332	KAZ	=31B	+20N	=7B	=36N	=33B	+21N	=8B	−4N	−15B	4.5	44.0	48.5	23.75	2497	+39.4
29	Chinguun, SumiyaIM	2415	MGL	=5N	+26B	−32N	+37B	−8N	=39B	+42N	=25B	−19N	4.5	41.0	45.0	21.25	2517	+12.4
30	Ayush SharmaIM	2433	IND	+6N	+4B	−42N	−15B	=27N	+57B	−18B	−23N	+48N	4.5	41.0	44.0	21.50	2466	+4.0
31	Zverev, LevIM	2480	FID	=28N	=50B	+48N	+63B	−4N	+27B	=15N	−5B	−16N	4.5	40.0	42.5	17.75	2395	-9.5
32	Rohith Krishna SGM	2516	IND	+60B	=23N	+29B	−46N	=14B	−33N	+38B	=16N	−21B	4.5	38.5	41.0	19.50	2401	-13.0
33	Lalit Babu M RGM	2512	IND	=35N	+59B	=47N	=27B	=28N	+32B	−14N	=20B	−17N	4.5	38.5	41.0	18.50	2430	-10.0
34	Sahib SinghIM	2413	IND	−4N	−48B	+67N	+54N	=16B	=38B	=26N	=37B	=39N	4.5	37.5	38.5	16.50	2440	+3.4
35	Isanzhulov, ArystanIM	2394	KAZ	=33B	=36N	+54B	−7N	=49B	−9N	+52B	−21N	+47B	4.5	37.0	40.5	16.75	2458	+7.5
36	Ansat, AldiyarIM	2489	KAZ	=59N	=35B	+50N	=28B	−6N	+51B	−11N	=26B	=41N	4.5	37.0	39.5	17.50	2409	-9.8
37	Azarov, SergeiGM	2590	FID	+58B	−14N	=61B	−29N	+56B	=45N	=16B	=34N	=38B	4.5	34.5	37.0	16.50	2425	-19.5
38	Zhalmakhanov, RamazanGM	2456	KAZ	−49B	+64N	=9B	−20N	+52B	=34N	−32N	+59B	=37N	4.5	34.5	36.5	15.50	2434	-2.7
39	Urazayev, ArystanbekIM	2490	KAZ	−43B	=52N	+60B	+59N	−22B	=29N	+45B	−9N	=34B	4.5	34.0	36.5	15.25	2406	-10.2
40	Sriram Adarsh UppalaIM	2451	IND	=2N	−3B	F	−16N	+67B	−52N	+60N	+62B	+53B	4.5	33.5	34.5	13.00	2466	+1.6
41	Lu, MaximillianIM	2392	USA	−42N	−19B	=53N	+67B	=26N	=63B	=48N	+54N	=36B	4.5	32.0	33.0	14.00	2397	+0.9
42	Atabayev, SaparmyratGM	2505	TKM	+41B	+56N	+30B	−1N	−13B	−23N	−29B	+49N	−24B	4.0	39.5	42.5	15.50	2397	-12.6
43	Akhmedinov, SatbekIM	2365	KAZ	+39N	+8B	−2N	−17B	−47N	−25B	+61N	+55B	−26N	4.0	39.5	42.0	16.00	2452	+19.8
44	Ravi, Teja S.IM	2419	IND	=3N	−2B	−6N	=53B	−25N	+60B	−50N	+67B	+64N	4.0	36.0	37.0	10.50	2407	-1.8
45	Grachev, AlexeyIM	2416	FID	=15B	−13N	=25N	+65B	=48N	=37B	−39N	−57B	+55N	4.0	34.5	36.0	13.75	2412	-0.3
46	Sultanbek, ZeinepWIM	2067	KAZ	F	+17B	=12N	+32B	−2B	+18N	−1N	−8B	−20N	3.5	46.5	46.5	18.25	2424	+57.2
47	Shogdzhiev, RomanIM	2411	FID	+54B	=7N	=33B	−13N	+43B	−14N	−19N	=48B	−35N	3.5	39.0	42.5	14.50	2385	-3.3
48	Petukhov, AlanFM	2313	KAZ	−14B	+34N	−31B	+24N	=45B	−11N	=41B	=47N	−30B	3.5	38.0	41.5	15.50	2352	+8.8
49	Kairbekova, AminaWGM	2273	KAZ	+38N	−10B	−17N	+25B	=35N	−26B	=55N	−42B	=59N	3.5	37.0	39.5	14.50	2373	+21.8
50	Khamdamova, AfruzaWGM	2326	UZB	=20B	=31N	−36B	=66N	−21B	=58N	+44B	−24N	=54B	3.5	35.5	37.0	13.00	2383	+13.2
51	Gasparyan, Erik R.IM	2372	ARM	−7B	=58N	−20B	+60N	+66B	−36N	=54B	−27N	=52B	3.5	33.5	35.0	9.00	2371	-0.4
52	Nurgaliyeva, ZarinaWIM	2336	KAZ	−10N	=39B	−55N	+62B	−38N	+40B	−35N	=63B	=51N	3.5	32.5	35.0	12.25	2321	-3.8
53	Amilal MunkhdalaiIM	2385	MGL	−12B	−54N	=41B	=44N	=60B	+66N	+63N	−19B	−40N	3.5	32.5	34.0	9.50	2343	-5.0
54	Pantsulaia, LevanGM	2520	GEO	−47N	+53B	−35N	−34B	=65N	+62B	=51N	−41B	=50N	3.5	30.0	31.5	10.25	2297	-27.1
55	Amartuvshin, GanzorigIM	2430	MGL	=13B	−15N	+52B	−9N	+59B	−16N	=49B	−43N	−45B	3.0	37.5	40.0	10.50	2308	-14.8
56	Nazari, AradIM	2405	IRI	+25N	−42B	−4N	=26B	−37N	−19B	+67N	=64B	F	3.0	33.5	33.5	9.50	2373	-4.1
57	Nurman, AluaIM	2306	KAZ	−66N	−11B	F	=58N	+61B	−30N	=24B	+45N	−27B	3.0	31.0	31.0	10.50	2354	+9.2
58	Goutham Krishna HIM	2429	IND	−37N	=51B	=65N	=57B	−64N	=50B	−59N	=61B	=63N	3.0	24.0	25.5	8.25	2227	-24.1
59	Munguntuul, BatkhuyagIM	2356	MGL	=36B	−33N	F	−39B	−55N	=61N	+58B	−38N	=49B	2.5	32.0	34.5	8.25	2300	-5.7
60	Moldagali, BeksultanIM	2397	KAZ	−32N	=6B	−39N	−51B	=53N	−44N	−40B	+65N	=67B	2.5	32.0	33.0	6.75	2253	-17.3
61	Bilguun, SumiyaGM	2451	MGL	+63B	−18N	=37N	−8B	−57N	=59B	−43B	=58N	−62N	2.5	31.0	33.5	7.50	2234	-25.6
62	Abdilkhair, AbilmansurIM	2397	KAZ	−18B	−9N	=64B	−52N	F	−54N	+65B	−40N	+61B	2.5	29.0	29.0	5.00	2301	-10.2
63	Kaldarova, AyaulymWIM	2138	KAZ	−61N	F	+66B	−31N	−23B	=41N	−53B	=52N	=58B	2.5	28.0	28.0	7.00	2278	+32.8
64	Kamalidenova, MeruertIM	2323	KAZ	−17N	−38B	=62N	F	+58B	−20N	−21B	=56N	−44B	2.0	33.5	33.5	5.75	2244	-7.8
65	Kaliakhmet, ElnazWIM	2306	KAZ	=27B	−21N	=58B	−45N	=54B	−24N	−62N	−60B	F	1.5	31.0	31.0	5.75	2189	-21.4
66	Panesar VedantFM	2462	IND	+57B	−1N	−63N	=50B	−51N	−53B	F	F	F	1.5	23.0	23.0	4.75	2159	-23.3
67	Serikbay, AsselWIM	2222	KAZ	=21B	−27N	−34B	−41N	−40N	F	−56B	−44N	=60N	1.0	33.5	33.5	4.00	2102	-18.6

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Sultanbek, ZeinepWIMKAZ
+57.2
3.5 pts · #51
2Suleimen, ErgaliIMKAZ
+48.6
5.0 pts · #23
3Balabayeva, XeniyaWGMKAZ
+39.4
4.5 pts · #34

Top rating losers

1Pantsulaia, LevanGMGEO
-27.1
3.5 pts · #46
2Bilguun, SumiyaGMMGL
-25.6
2.5 pts · #59
3Goutham Krishna HIMIND
-24.1
3.0 pts · #58

Biggest upsets

R4+449 Elo gap
WIMSultanbek, Zeinep2067 beat GMRohith Krishna S2516
R6+449 Elo gap
WIMSultanbek, Zeinep2067 beat GMGoganov, Aleksey2516
R2+401 Elo gap
WIMSultanbek, Zeinep2067 beat IMStribuk, Artiom2468