Gidrostroy Cup 2025_Rapid Grand Prix of Russia

SwissRapid

82 players participated in this 11-round tournament, held from 24 Jul 2025 to 25 Jul 2025 in Yuzhno-Sakhalinsk, Russia. 19 titled players from 2 federations. Top 10 Elo average was 2417, and top seed was Alexander Moskalenko (🇷🇺 RUS, GM, 2488).

Zhamsaran Tsydypov (🇷🇺 RUS, GM, 2477) won with 10.0/11, ahead of Maxim Timoshin (8.5) and Erik Obgolts (8.0). Tsydypov shared the lead from round 5 and won solo starting round 6.

The biggest upset came in round 3: Sergey Agafonov (1469) beat En Bok I (1957), a +488-point gap.

Location

🇷🇺Yuzhno-Sakhalinsk, Russia

Dates

24 Jul 2025 → 25 Jul 2025

Time control

Rapid: 15 minutes for game with 10 seconds increment from move 1

System

Swiss · 11 rounds

Top seed

🇷🇺GMAlexander Moskalenko2488

Avg top 10

2,417

Participants

Titled players · 19

GM×6

IM×3

FM×4

CM×2

WIM×1

WFM×3

Federations · 2 represented

🇷🇺Russia×76

FIDE (no federation)×5

Top 3

🥇
GMZhamsaran Tsydypov
🇷🇺RUS·2477
10.0pts·2697perf+23.5
🥈
FMMaxim Timoshin
FID·2369
8.5pts·2469perf+17.0
🥉
IMErik Obgolts
🇷🇺RUS·2416
8.0pts·2486perf+11.7

How it unfolded

Top 6 · 11 rounds

GM Zhamsaran Tsydypov led from R6; +1.5-point edge over the runner-up.

Co-leaders

Tsydypov10Timoshin8.5Obgolts8Sutormin7.5Khegay7.5Kaminskii7.5— ex-leaders:Novikovled R4, #13

R6 · LEADER CHANGE25 Jul

GM Zhamsaran Tsydypov takes the sole lead (5.5/6).

R8 · HEAD-TO-HEAD · WINNER VS 2ND

GM Zhamsaran Tsydypov beat FM Maxim Timoshin (White).

WIN STREAKS · 3 top finishers

GM Zhamsaran Tsydypov 3+5 wins (R1–R3, R5–R9)FM Maxim Timoshin 3 wins (R9–R11)IM Erik Obgolts 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1GMZhamsaran Tsydypov	*	1	½	—
2FMMaxim Timoshin	0	*	½	—
3IMErik Obgolts	½	½	*	1
4IMDanila Sutormin	—	—	0	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	R10	R11	Pts	Bu C1	Bu	SB	Perf	Δ
1	Tsydypov, ZhamsaranGM	2477	RUS	+44N	+32B	+16N	=3B	+10N	+13B	+4N	+2B	+5N	=12B	+6N	10.0	73.0	78.5	71.00	2697	+23.5
2	Timoshin, MaximFM	2369	FID	+56B	=28N	+29B	+6N	=14B	=3N	+9B	−1N	+13B	+4N	+12B	8.5	73.5	78.5	58.00	2469	+17.0
3	Obgolts, ErikIM	2416	RUS	+33N	+19B	+4N	=1N	+7B	=2B	+8N	=12B	=17N	=14N	=10B	8.0	75.5	81.5	58.25	2486	+11.7
4	Simbelov, Roman T.	2206	RUS	+25B	+45N	−3B	+37N	+30B	+6N	−1B	=13N	+9B	−2B	+18N	7.5	73.5	79.0	49.00	2304	+64.8
5	Khegay, DmitriyGM	2475	RUS	+41B	+20N	+21B	−13N	−9B	+42B	+30N	+11N	−1B	=7N	+25B	7.5	70.5	76.0	47.75	2296	-17.2
6	Sek, KonstantinIM	2376	RUS	+36N	+51B	=18N	−2B	+48N	−4B	+38N	+22B	+8N	+17B	−1B	7.5	69.5	74.5	45.25	2298	-5.7
7	Sutormin, DanilaIM	2340	RUS	+47N	+35B	+11N	=12B	−3N	=18B	+23N	−8B	+32N	=5B	+19N	7.5	69.0	74.0	48.00	2298	-1.7
8	Chyndygyr, TamerlanFM	2246	FID	+46N	+27B	−12N	+51B	+24N	+17B	−3B	+7N	−6B	=11N	+14B	7.5	69.0	74.0	47.75	2342	+33.0
9	Kaminskii, DaniilCM	2106	FID	+58B	=29N	=28B	+39N	+5N	=12B	−2N	+19B	−4N	+43B	+17N	7.5	66.5	71.0	45.50	2305	+108.0
10	Rychkov, OlegFM	2362	RUS	=34B	+57N	+52B	+49N	−1B	=11N	−20B	+41N	+28B	+16N	=3N	7.5	66.0	71.0	43.75	2239	-10.1
11	Nedelko, Nikita	1999	RUS	+66B	+39N	−7B	+40N	=16N	=10B	+46N	−5B	+15N	=8B	+31B	7.5	65.5	69.5	43.75	2220	+61.6
12	Zvjaginsev, VadimGM	2470	RUS	+40B	+30N	+8B	=7N	=13B	=9N	+31B	=3N	=14B	=1N	−2N	7.0	75.0	80.5	48.50	2370	-10.3
13	Novikov, StanislavGM	2298	RUS	+53N	+38B	+24N	+5B	=12N	−1N	=14B	=4B	−2N	=18B	+32N	7.0	72.0	77.0	44.50	2335	+7.7
14	Moskalenko, AlexanderGM	2488	RUS	+43N	=23B	+50N	=18B	=2N	+38B	=13N	+16B	=12N	=3B	−8N	7.0	68.5	73.5	44.25	2337	-16.4
15	Komissarova, SoiginaWFM	1940	RUS	+61B	−21N	+54B	−22N	+66B	+24B	−16N	+49N	−11B	+28N	+30B	7.0	60.0	64.0	37.00	2082	+82.4
16	Postnikov, ArtemFM	2323	RUS	+60B	+26N	−1B	+52N	=11B	=20N	+15B	−14N	+29B	−10B	=27N	6.5	69.5	74.0	39.25	2177	-30.2
17	Ovetchkin, RomanGM	2395	RUS	+68B	−52N	+41B	+19N	+22B	−8N	+29B	+20N	=3B	−6N	−9B	6.5	66.5	70.5	39.00	2186	-23.3
18	Paretskiy, Mikhail	2114	RUS	+55B	+37N	=6B	=14N	=20B	=7N	=41B	=28N	+39B	=13N	−4B	6.5	66.0	71.0	40.00	2206	+51.2
19	Chuhachev, Vladimir	2057	RUS	+65B	−3N	+68B	−17B	+33N	=40N	+34B	−9N	+41B	+20N	−7B	6.5	63.5	67.5	35.25	2113	+16.2
20	Lupolov, Boris	2040	RUS	+62N	−5B	+47N	+55B	=18N	=16B	+10N	−17B	=21N	−19B	+42N	6.5	63.0	67.5	37.25	2181	+39.0
21	Zhambalov, Bator	2121	RUS	+59N	+15B	−5N	−38B	+53B	−29N	+33N	+40B	=20B	−25N	+39B	6.5	61.0	65.5	36.75	2036	-43.6
22	Mutovin, Egor	2105	RUS	−48N	+67B	+33N	+15B	−17N	=47B	+42N	−6N	=25B	=26N	+38B	6.5	61.0	65.0	37.00	2083	-3.8
23	Kaminskii, Ilia	2062	RUS	+75B	=14N	−49B	+56N	+28B	=31N	−7B	−25N	+36B	=40N	+41B	6.5	60.0	63.0	34.75	2047	-4.8
24	Tikhonovetskiy, Andrey	2076	RUS	+54B	+64N	−13B	+66N	−8B	−15N	+36B	−29N	+46B	=39N	+40B	6.5	59.0	63.0	32.75	1977	-40.8
25	Botvenkin, David	1816	RUS	−4N	+79B	−35N	−61B	+69N	+64B	+51N	+23B	=22N	+21B	−5N	6.5	58.5	60.5	31.75	1968	+74.4
26	Lim, Albert	2118	RUS	+71N	−16B	−46N	+67B	−47N	+59B	−50N	+62B	+55N	=22B	+44N	6.5	51.5	55.5	30.75	1953	-36.6
27	Vasilieva, ArinaWFM	1948	RUS	+73B	−8N	−66B	−58N	+74B	+75N	+60B	=31N	=34B	+49N	=16B	6.5	51.5	54.5	29.25	1928	-5.6
28	Dunaev, Dmitriy	2067	RUS	+74N	=2B	=9N	=48B	−23N	+53B	+47N	=18B	−10N	−15B	+43N	6.0	64.0	67.5	32.75	2038	-12.8
29	Chernyaev, Vladislav	1943	RUS	+72N	=9B	−2N	=50B	+55N	+21B	−17N	+24B	−16N	−32B	+46N	6.0	63.0	67.0	33.25	2071	+66.0
30	Fisher, TimofeyCM	2029	FID	+67N	−12B	+36N	+46B	−4N	+50B	−5B	−39N	+33N	+47B	−15N	6.0	61.5	65.5	31.00	2072	+16.8
31	Den, Dmitrij	2056	RUS	=50N	+42B	=48N	+35B	=38N	=23B	−12N	=27B	=47N	+51B	−11N	6.0	59.5	64.5	33.25	2028	-10.2
32	Bekasov, Ivan	2061	RUS	+63B	−1N	=56B	−53N	+75B	=60N	+58B	+46N	−7B	+29N	−13B	6.0	59.0	62.0	27.75	1970	-42.4
33	Yuryev, Vladimir	1992	RUS	−3B	+75N	−22B	+54N	−19B	+65N	−21B	+61N	−30B	+50N	+49B	6.0	57.5	60.5	27.00	1968	-4.4
34	Nefedova, Mariia	1839	RUS	=10N	−50B	−53N	+63B	+77N	+35B	−19N	+38B	=27N	−42B	+52B	6.0	57.0	59.5	30.50	1938	+57.2
35	Vorokov, Veniamin	1972	RUS	+77B	−7N	+25B	−31N	=60B	−34N	+54N	−47B	=48N	+59B	+56B	6.0	55.0	57.5	28.25	1879	-51.2
36	Asedulov, Vsevolod	1856	RUS	−6B	+65N	−30B	+74N	−52B	+70N	−24N	+48B	−23N	+67B	+51N	6.0	54.0	57.5	26.00	1941	+46.4
37	Tikhomirov, Andrey	1950	RUS	+79N	−18B	+59N	−4B	−50N	−54B	−43N	+71N	+70B	+48B	+47N	6.0	52.0	54.0	24.50	1866	-40.0
38	Makarov, Egor Den	1929	RUS	+69B	−13N	+58B	+21N	=31B	−14N	−6B	−34N	+57B	+68N	−22N	5.5	60.0	64.0	27.00	2017	+42.8
39	Gabrusev, Sergey	2027	RUS	+80N	−11B	+64N	−9B	=59N	=48B	+55N	+30B	−18N	=24B	−21N	5.5	59.5	61.5	25.50	1915	-27.0
40	Trofimova, AntoninaWIM	1938	RUS	−12N	+62B	+61N	−11B	+64N	=19B	=49B	−21N	+67N	=23B	−24N	5.5	59.0	63.0	26.50	1944	+4.2
41	Darmaeva, NominaWFM	1915	FID	−5N	+74B	−17N	+81B	+61N	+51B	=18N	−10B	−19N	+53B	−23N	5.5	59.0	60.0	22.25	2004	+40.4
42	Sukhov, Maksim	2037	RUS	=57B	−31N	+63B	+77N	+49B	−5N	−22B	−68N	+58B	+34N	−20B	5.5	55.5	58.0	25.00	1936	-26.6
43	I, En Bok	1957	RUS	−14B	=63N	−77B	+57N	+56B	−49N	+37B	+52N	+68B	−9N	−28B	5.5	55.0	57.5	27.25	1903	-13.2
44	Kuznetsov, Stepan	1756	RUS	−1B	−54N	+57B	−75N	−65B	+74N	+70B	=58N	+60B	+45N	−26B	5.5	53.0	56.0	24.75	1803	+20.8
45	I, Gi Su	1934	RUS	+76N	−4B	−55N	+62B	−46N	+66B	=48N	−53B	+64N	−44B	+60N	5.5	50.5	53.5	23.00	1710	-54.2
46	Yurchenko, Nikolay	1704	RUS	−8B	+69N	+26B	−30N	+45B	+52N	−11B	−32B	−24N	+54N	−29B	5.0	61.5	65.5	26.00	1910	+99.6
47	Bambizo, Mikhail	1942	RUS	−7B	+70N	−20B	+71N	+26B	=22N	−28B	+35N	=31B	−30N	−37B	5.0	61.0	65.0	26.75	1961	+13.2
48	Kosterin, Maksim	1714	RUS	+22B	=49N	=31B	=28N	−6B	=39N	=45B	−36N	=35B	−37N	+70B	5.0	60.0	64.0	27.50	1945	+119.6
49	Kadyrov, Akylbek	1967	RUS	+78N	=48B	+23N	−10B	−42N	+43B	=40N	−15B	+53N	−27B	−33N	5.0	60.0	62.5	24.75	1901	-18.0
50	Morin, Andrey	1920	RUS	=31B	+34N	−14B	=29N	+37B	−30N	+26B	F	−51N	−33B	+67N	5.0	58.5	58.5	28.50	2014	+22.6
51	Andreev, Andrey	1942	RUS	+70B	−6N	+60B	−8N	+58B	−41N	−25B	+66N	+50B	−31N	−36B	5.0	57.0	61.0	22.00	1892	-32.4
52	Khusnulgatin, Artem	1995	RUS	+81N	+17B	−10N	−16B	+36N	−46B	=68N	−43B	=59N	+55B	−34N	5.0	56.5	57.5	22.75	1937	-20.6
53	Budaeva, Victoria	1798	RUS	−13B	=77N	+34B	+32B	−21N	−28N	+73B	+45N	−49B	−41N	=68B	5.0	55.5	58.0	24.75	1875	+32.8
54	Moiseenko, Andrey	1733	RUS	−24N	+44B	−15N	−33B	+72N	+37N	−35B	−55B	+73N	−46B	+69N	5.0	55.0	59.0	23.50	1742	+0.8
55	Khegay, Ksenia	1843	RUS	−18N	+72B	+45B	−20N	−29B	+71N	−39B	+54N	−26B	−52N	+63B	5.0	55.0	59.0	23.00	1817	-4.2
56	Verkhoturov, Damir	1727	RUS	−2N	+81B	=32N	−23B	−43N	+77B	=59N	−67B	+74N	+62B	−35N	5.0	51.5	52.5	16.75	1808	+38.4
57	Arkhipov, Aleksandr	1759	RUS	=42N	−10B	−44N	−43B	−63N	+72B	+78N	+75B	−38N	=58N	+66B	5.0	49.5	52.0	18.50	1733	-9.0
58	Vereshchagin, Ivan	1924	RUS	−9N	+80B	−38N	+27B	−51N	+61B	−32N	=44B	−42N	=57B	=65N	4.5	55.5	57.5	20.50	1797	-35.4
59	Sin, Albert	1779	RUS	−21B	+73N	−37B	+70N	=39B	−26N	=56B	=60N	=52B	−35N	=62B	4.5	53.5	57.5	20.25	1784	-5.2
60	Kravtsov, Dmitriy	1761	RUS	−16N	+76B	−51N	+72B	=35N	=32B	−27N	=59B	−44N	+69B	−45B	4.5	53.5	56.5	19.25	1736	-9.0
61	Filin, Viktor	1740	RUS	−15N	+78B	−40B	+25N	−41B	−58N	+63N	−33B	−62N	=74B	+77B	4.5	50.0	52.5	17.75	1684	-17.2
62	Bahodirova, Malika	1516	RUS	−20B	−40N	+69B	−45N	−71B	+80N	+76B	−26N	+61B	−56N	=59N	4.5	49.0	51.0	15.75	1629	+38.8
63	Kruglova, Marina	1550	RUS	−32N	=43B	−42N	−34N	+57B	−73N	−61B	+77B	+78N	+64B	−55N	4.5	48.5	51.0	17.25	1721	+72.8
64	Ilinskiy, Yuriy Dm	1534	RUS	+82N	−24B	−39B	+68N	−40B	−25N	+75B	=73N	−45B	−63N	+74N	4.5	48.5	48.5	12.50	1669	+42.4
65	Evdokimov, Alexey O	1545	RUS	−19N	−36B	−72N	+79B	+44N	−33B	−66N	−69B	+80N	+76N	=58B	4.5	45.5	47.5	14.75	1568	-4.4
66	Makhachkeev, Aleksandr	1619	RUS	−11N	+82B	+27N	−24B	−15N	−45N	+65B	−51B	−69N	+71B	−57N	4.0	55.5	55.5	15.00	1642	-5.2
67	Frizuk, Andrey	1948	RUS	−30B	−22N	+76B	−26N	−70B	+69N	+71B	+56N	−40B	−36N	−50B	4.0	52.5	55.5	16.00	1705	-60.2
68	Dzhafarova, Dinara	1894	RUS	−17N	+71B	−19N	−64B	F	+76N	=52B	+42B	−43N	−38B	=53N	4.0	51.0	52.0	17.50	1774	-26.8
69	Paley, Evgeniy	1424	RUS	−38N	−46B	−62N	+80N	−25B	−67B	+72N	+65N	+66B	−60N	−54B	4.0	47.5	49.5	14.50	1578	+70.0
70	Ri, Yan Chun	1749	RUS	−51N	−47B	+82N	−59B	+67N	−36B	−44N	+80B	−37N	+73B	−48N	4.0	47.0	47.0	10.00	1618	-29.6
71	Tikhonova, Elizaveta	0	RUS	−26B	−68N	+78N	−47B	+62N	−55B	−67N	−37B	+72B	−66N	+80B	4.0	45.5	47.5	13.00	1591	+82.4
72	Varlamov, Matvey	1480	RUS	−29B	−55N	+65B	−60N	−54B	−57N	−69B	+82B	−71N	+79N	+75B	4.0	43.0	43.0	9.50	1431	-30.0
73	Dimova, Arina	0	RUS	−27N	−59B	−74N	=78B	+79N	+63B	−53N	=64B	−54B	−70N	+82B	4.0	42.0	42.0	10.00	1477	-19.6
74	Li, Aleksandr	1641	RUS	−28B	−41N	+73B	−36B	−27N	−44B	+77N	+76N	−56B	=61N	−64B	3.5	50.5	53.0	11.75	1503	-31.6
75	Nikitin, Vadim	1509	RUS	−23N	−33B	+79N	+44B	−32N	−27B	−64N	−57N	−76B	+82B	−72N	3.0	49.0	49.0	7.50	1449	-28.8
76	Ivanov, Andrey	0	RUS	−45B	−60N	−67N	+82B	+78N	−68B	−62N	−74B	+75N	−65B	−79B	3.0	38.0	38.0	5.50	1478	0.0
77	Agafonov, Sergey	1469	RUS	−35N	=53B	+43N	−42B	−34B	−56N	−74B	−63N	F	+78B	−61N	2.5	48.0	48.0	10.50	1551	+24.0
78	Pivovar, Ekaterina	1535	RUS	−49B	−61N	−71B	=73N	−76B	+82N	−57B	+79N	−63B	−77N	F	2.5	34.5	34.5	4.00	843	-91.6
79	FIDE 522030220	0	—	−37B	−25N	−75B	−65N	−73B	F	−80N	−78B	+82N	−72B	+76N	2.0	35.5	35.5	3.00	842	0.0
80	Evdokimov, Sergey	1660	RUS	−39B	−58N	−81N	−69B	+82N	−62B	+79B	−70N	−65B	F	−71N	2.0	34.0	34.0	2.00	867	-80.2
81	Zaitsev, Anatoliy	1759	RUS	−52B	−56N	+80B	−41N	F	F	F	F	F	F	F	1.0	21.5	21.5	2.00	1631	-12.6
82	Evseenko, Yuliya	0	RUS	−64B	−66N	−70B	−76N	−80B	−78B	F	−72N	−79B	−75N	−73N	0.0	33.0	33.0	0.00	784	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Kosterin, MaksimRUS
+119.6
5.0 pts · #54
2Kaminskii, DaniilCMFID
+108.0
7.5 pts · #6
3Yurchenko, NikolayRUS
+99.6
5.0 pts · #50

Top rating losers

1Pivovar, EkaterinaRUS
-91.6
2.5 pts · #79
2Evdokimov, SergeyRUS
-80.2
2.0 pts · #81
3Frizuk, AndreyRUS
-60.2
4.0 pts · #69

Biggest upsets

R3+488 Elo gap
Agafonov, Sergey1469 beat I, En Bok1957
R3+414 Elo gap
Yurchenko, Nikolay1704 beat Lim, Albert2118
R2+400 Elo gap
Khusnulgatin, Artem1995 beat GMOvetchkin, Roman2395