Summer Cup B 2025

Open SwissStandard

97 players participated in this 9-round tournament, held from 26 May 2025 to 30 May 2025 in Astana, Kazakhstan. 3 titled players from 2 federations. Top 10 Elo average was 1792, and top seed was Dmitriy Gein (🇰🇿 KAZ, 1865).

Yernazar Isumbayev (🇰🇿 KAZ, 1759) won with 8.0/9, ahead of Beybarys Mamyrov (7.0) and Ansar Sergazin (7.0). Isumbayev took the lead from round 8.

The biggest upset came in round 8: Dias Usmanov (1460) beat Askar Sakenov (1731), a +271-point gap.

Location

🇰🇿Astana, Kazakhstan

Dates

26 May 2025 → 30 May 2025

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 9 rounds

Top seed

🇰🇿Dmitriy Gein1865

Avg top 10

1,792

Participants

Titled players · 3

FM×1

CM×1

WCM×1

Federations · 2 represented

🇰🇿Kazakhstan×95

🇷🇺Russia×2

Top 3

🥇
Yernazar Isumbayev
🇰🇿KAZ·1759
8.0pts·2042perf+54.2
🥈
FMBeybarys Mamyrov
🇰🇿KAZ·1860
7.0pts·2039perf+56.0
🥉
Ansar Sergazin
🇰🇿KAZ·1709
7.0pts·1908perf+91.2

How it unfolded

Top 6 · 9 rounds

Yernazar Isumbayev led from R8; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R8.

Co-leaders

Isumbayev8Mirzhanov7Mamyrov7Sergazin7Alimkulov6.5Abdishev6

R8 · LEADER CHANGE29 May

Yernazar Isumbayev takes the sole lead (7.0/8).

WIN STREAKS · 3 top finishers

Yernazar Isumbayev 4+3 wins (R1–R4, R7–R9)CM Arlan Mirzhanov 3 wins (R2–R4)FM Beybarys Mamyrov 3 wins (R7–R9)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Yernazar Isumbayev	*	—	½	½
2CMArlan Mirzhanov	—	*	—	—
3FMBeybarys Mamyrov	½	—	*	1
4Ansar Sergazin	½	—	0	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Isumbayev, Yernazar	1759	KAZ	+59B	+54N	+12B	+10N	=3B	=2N	+17B	+11N	+8B	8.0	47.5	51.5	44.50	2042	+54.2
2	Mamyrov, BeybarysFM	1860	KAZ	+90N	=30B	F	+8N	+6B	=1B	+15N	+3N	+7B	7.0	48.5	51.0	39.50	2039	+56.0
3	Sergazin, Ansar	1709	KAZ	+80N	+69B	+29N	+16B	=1N	+7B	+9N	−2B	=5N	7.0	47.5	50.5	36.25	1908	+91.2
4	Mirzhanov, ArlanCM	1725	KAZ	−24B	+51N	+31B	+74N	=23B	+38N	+25B	=17N	+6B	7.0	40.5	43.5	33.00	1837	+48.0
5	Alimkulov, Iliyas	1770	KAZ	+58B	+63N	−6B	−38N	+51B	+43N	+52B	+26N	=3B	6.5	39.0	42.5	28.50	1787	+8.4
6	Abdishev, Abdiali	1658	KAZ	+77N	+55B	+5N	=7B	−2N	+18B	=13N	+15B	−4N	6.0	47.5	50.5	30.50	1818	+76.0
7	Amangeldy, Nuras	1718	KAZ	+75B	+28N	+18B	=6N	+38B	−3N	=8B	+40N	−2N	6.0	45.5	48.5	28.50	1796	+36.8
8	Omarbek, Adlet	1750	KAZ	+82N	=56B	+66N	−2B	+28N	+29B	=7N	+16B	−1N	6.0	44.0	47.0	27.00	1773	+12.4
9	Gein, Dmitriy	1865	KAZ	+39B	−12N	+76N	+56B	+43N	+26B	−3B	=10N	=11B	6.0	43.0	46.0	27.00	1751	-44.4
10	Sagyntayev, Alikhan	1692	KAZ	+47N	+62B	+74N	−1B	+52N	−15B	+19N	=9B	=13N	6.0	43.0	46.0	26.50	1793	+45.6
11	Rakysh, Yerasyl	1697	KAZ	+31B	=24N	F	+64B	+20N	+30B	+33N	−1B	=9N	6.0	43.0	43.0	29.50	1830	+41.4
12	Khati, Tailan	1605	KAZ	+92B	+9B	−1N	+79N	−17B	=57N	=38B	+53N	+34B	6.0	40.0	42.0	24.25	1763	+62.4
13	Bikeyev, Rustam	1721	KAZ	−62N	−75B	+86B	+65N	+24B	+63N	=6B	+23N	=10B	6.0	36.0	38.5	26.00	1704	-8.4
14	Abdishev, Aldiyar	1473	KAZ	F	−39N	−58B	+83B	+31N	+64N	+63B	+41N	+52B	6.0	33.0	36.0	23.50	1789	+135.6
15	Gluhov, Nikita	1857	KAZ	=38B	+91N	+24B	=26N	+41B	+10N	−2B	−6N	=25N	5.5	43.0	45.0	24.75	1732	-51.2
16	Zhankarayeva, Zhansaya	1499	KAZ	+36N	+97B	+25B	−3N	+40B	−17N	+41B	−8N	=22B	5.5	43.0	44.0	22.75	1787	+135.2
17	Sukhanov, Nikita	1778	KAZ	=61N	+84B	+30N	=52B	+12N	+16B	−1N	=4B	F	5.5	42.0	42.0	26.50	1745	-6.7
18	Mazhitov, Madi	1600	KAZ	+49B	+32B	−7N	+70N	=25B	−6N	=53B	=24N	+45B	5.5	40.0	43.5	24.50	1691	+37.6
19	Tleukhanov, Eraly	1506	KAZ	+41B	−25N	+22B	−23N	+54B	+44N	−10B	=57N	+39B	5.5	39.5	43.5	25.00	1746	+113.6
20	Usmanov, Dias	1460	KAZ	=35B	=50N	=71B	+39N	−11B	+74N	−22B	+44N	+38B	5.5	38.0	41.0	23.00	1699	+52.4
21	Sabyr, Abzal	1552	KAZ	−32N	+49B	+84N	=29B	−57N	+66B	+30N	−25B	+43N	5.5	36.5	39.0	22.50	1699	+36.0
22	Kenzhetay, Inkar	1657	KAZ	+81N	−70B	−19N	+68B	+67N	=53B	+20N	=28B	=16N	5.5	36.0	39.0	22.75	1605	-19.6
23	Makhanbetali, Dinmukhammed	1641	KAZ	F	+92N	+95B	+19B	=4N	−33B	+73N	−13B	+46N	5.5	35.0	35.0	20.50	1715	+32.0
24	Nurlybek Dias	1541	KAZ	+4N	=11B	−15N	=42B	−13N	+36B	+60N	=18B	=37N	5.0	44.5	48.5	26.50	1742	+92.4
25	Sayassatov, Nariman	1689	KAZ	F	+19B	−16N	+61B	=18N	+73B	−4N	+21N	=15B	5.0	42.0	45.0	24.00	1688	-0.3
26	Aitbayev, Danial	1657	KAZ	=68B	+87N	F	=15B	+32N	−9N	+27B	−5B	+28N	5.0	41.0	43.5	22.00	1764	+45.2
27	Tulekenova, Azel	1596	KAZ	+88B	=40N	F	=45B	+55N	+60B	−26N	+42B	−33N	5.0	38.5	41.0	19.50	1715	+49.2
28	Popov, Konstantin	1584	KAZ	+85B	−7B	+72N	=40N	−8B	+58N	+57B	=22N	−26B	5.0	38.5	41.0	19.00	1678	+40.4
29	Kenzhetay, Inzhu	1656	KAZ	+94B	+96N	−3B	=21N	+46B	−8N	−34B	=59N	+51B	5.0	38.0	39.5	16.75	1599	-25.2
30	Shakhman, Asanali	1604	KAZ	+86B	=2N	−17B	+91N	+76B	−11N	−21B	=51N	+53B	5.0	37.5	39.5	17.00	1605	-2.4
31	Abdikayim, Muhammedgali	1528	KAZ	−11N	+36B	−4N	−44N	−14B	+92B	+93N	+60B	+78N	5.0	37.5	39.5	16.00	1686	+74.0
32	Daryanov, Ayan	1762	KAZ	+21B	−18N	+69B	+54N	−26B	−52N	=51B	=50N	+59B	5.0	36.5	40.0	21.25	1624	-61.6
33	Abdrashev, Ruslan	1749	KAZ	+51B	F	=62N	+55B	F	+23N	−11B	=34N	+27B	5.0	36.0	38.5	22.75	1740	-0.8
34	Raizakov, Batyrkhan	1576	KAZ	−84N	−81B	+77N	+72B	+48N	=42B	+29N	=33B	−12N	5.0	34.5	37.0	20.75	1600	+10.4
35	Tursunbai, Abdulla-Bilal	1604	KAZ	=20N	−46B	=53N	−48B	+68N	−47B	+77N	+82B	+56N	5.0	33.5	36.5	18.25	1559	-21.6
36	Kuanyshuly, Nurgisa	1659	KAZ	−16B	−31N	−51B	+87N	+94B	−24N	+85B	+75N	+55B	5.0	31.5	33.5	14.00	1535	-58.0
37	Kusherbayev, Timur	1642	KAZ	−55N	=47B	F	+95N	=64B	+75N	+65B	=38N	=24B	5.0	30.0	31.5	16.75	1615	-12.4
38	Kurmangazinov, Beibarys	1562	KAZ	=15N	+60B	+42N	+5B	−7N	−4B	=12N	=37B	−20N	4.5	46.0	50.0	23.25	1688	+55.6
39	Mamesh, AdiyaWCM	1567	KAZ	−9N	+14B	=85N	−20B	+62N	+76B	=42N	=43B	−19N	4.5	38.5	41.0	18.25	1560	+1.2
40	Mukashev, Alrami	1760	KAZ	+67N	=27B	=56N	=28B	−16N	+46B	+45N	−7B	F	4.5	38.0	38.0	19.50	1609	-60.0
41	Tulegenov, Anuar	1665	KAZ	−19N	+80B	+81N	+67B	−15N	+56B	−16N	−14B	=47N	4.5	37.5	40.5	15.75	1557	-52.4
42	Bissaliyeva, Alisha	1680	KAZ	+65B	=45N	−38B	=24N	+79B	=34N	=39B	−27N	=50B	4.5	36.5	39.5	18.25	1545	-70.0
43	Danilyuk, Nadezhda	1644	KAZ	−45B	+94N	+65B	+75N	−9B	−5B	+81N	=39N	−21B	4.5	36.5	38.5	13.75	1581	-15.8
44	Sakenov, Askar	1731	KAZ	−69N	+53B	−75N	+31B	+61N	−19B	=47N	−20B	+62N	4.5	35.5	38.5	18.75	1486	-51.8
45	Kuanysh, Assyl	1477	KAZ	+43N	=42B	F	=27N	=74B	+78N	−40B	+66B	−18N	4.5	35.5	38.5	17.25	1684	+88.4
46	Bisengaliev, Amilkar	1481	KAZ	=78B	+35N	F	+66B	−29N	−40N	+58B	+71N	−23B	4.5	34.0	34.0	17.50	1673	+82.8
47	Rakhimbayev, Aisultan	1520	KAZ	−10B	=37N	−78B	=93N	+95B	+35N	=44B	=74N	=41B	4.5	33.0	34.5	16.00	1628	+50.4
48	Abdrasul, Dias	1467	KAZ	−63B	+58N	−54B	+35N	−34B	−51N	=64B	+80N	+71B	4.5	32.5	35.5	17.25	1573	+48.4
49	Aitkazy, Torekhan	1457	KAZ	−18N	−21N	+59B	−82B	=77N	+62B	=67N	=54B	+66N	4.5	32.5	35.5	16.25	1557	+48.4
50	Bekbolat, Alikhan	1572	KAZ	=53N	=20B	=73N	F	=85B	=79N	+70B	=32B	=42N	4.5	32.0	34.5	17.50	1584	+2.8
51	Maratuly, Yerassyl	1542	KAZ	−33N	−4B	+36N	+96B	−5N	+48B	=32N	=30B	−29N	4.0	43.0	44.5	16.00	1602	+28.4
52	Tassygozhin, Nurlan	1638	KAZ	F	=76B	+64N	=17N	−10B	+32B	−5N	+56B	−14N	4.0	42.5	45.5	16.75	1632	-0.8
53	Razmolodin, Arseniy	0	RUS	=50B	−44N	=35B	+89N	+71B	=22N	=18N	−12B	−30N	4.0	39.5	42.0	16.25	1569	0.0
54	Shotayev, Askhat	1598	KAZ	+72N	−1B	+48N	−32B	−19N	−55B	=68B	=49N	+75B	4.0	38.5	41.5	15.00	1502	-46.4
55	Sairan, Dinmukhammed	1477	KAZ	+37B	−6N	+63B	−33N	−27B	+54N	−56N	+67B	−36N	4.0	37.5	41.0	16.00	1589	+50.8
56	Bugubayev, Satzhan	1593	KAZ	+95B	=8N	=40B	−9N	+70B	−41N	+55B	−52N	−35B	4.0	37.5	39.0	14.25	1587	-6.4
57	Tuleulenov, Olzhas	1762	KAZ	=64N	=61B	−67N	+69N	+21B	=12B	−28N	=19B	F	4.0	36.5	39.5	18.50	1562	-82.0
58	Makatova, Yasmina	1559	KAZ	−5N	−48B	+14N	=84B	+80N	−28B	−46N	=70B	+77N	4.0	36.0	38.5	15.00	1477	-37.2
59	Murat, Arystan	1547	KAZ	−1N	−73B	−49N	=92B	+86N	+72B	+76N	=29B	−32N	4.0	35.0	37.0	12.50	1504	-7.6
60	Ivlev, Andrey	1690	KAZ	=91B	−38N	=68B	+94N	+75B	−27N	−24B	−31N	+65N	4.0	31.5	33.5	11.25	1489	-96.4
61	Israil, Gulsezim	1559	KAZ	=17B	=57N	+96B	−25N	−44B	−65N	F	+93B	+91N	4.0	28.0	28.0	10.25	1628	+23.2
62	Yedresheva, Amaliya	1537	KAZ	+13B	−10N	=33B	−78N	−39B	−49N	+72B	+68N	−44B	3.5	37.5	40.5	15.50	1531	-6.4
63	Omurzakov, Altair	1605	KAZ	+48N	−5B	−55N	+81B	+82N	−13B	−14N	=65B	F	3.5	36.5	36.5	12.25	1519	-43.6
64	Gushanov, Murad	1558	KAZ	=57B	+78N	−52B	−11N	=37N	−14B	=48N	=76B	=70N	3.5	36.0	39.0	13.00	1500	-29.2
65	Lepesbayev, Arsen	1507	KAZ	−42N	+83B	−43N	−13B	+96N	+61B	−37N	=63N	−60B	3.5	34.5	36.0	10.25	1546	+12.4
66	Yerbulatov, Almadi	1575	KAZ	=87B	+68N	−8B	−46N	+91B	−21N	+79B	−45N	−49B	3.5	34.0	36.0	9.75	1435	-68.8
67	Altay, Yeraly	1551	KAZ	−40B	+88N	+57B	−41N	−22B	=70N	=49B	−55N	=85B	3.5	33.0	35.5	11.75	1488	-38.8
68	Belyaev, Gleb Al	1494	RUS	=26N	−66B	=60N	−22N	−35B	+96B	=54N	−62B	+86N	3.5	33.0	34.5	10.50	1496	-0.4
69	Mukhambet, Aylin	1541	KAZ	+44B	−3N	−32N	−57B	=72N	+84B	−74B	=79N	=88N	3.5	32.5	35.0	11.50	1516	-16.0
70	Dulatov, Arman	1472	KAZ	+93B	+22N	F	−18B	−56N	=67B	−50N	=58N	=64B	3.5	32.5	32.5	13.00	1547	+36.0
71	Zhumabay, Nurbek	1585	KAZ	−76N	+77B	=20N	−73B	−53N	+80B	+91N	−46B	−48N	3.5	31.0	33.0	10.75	1436	-33.2
72	Shomanova, Amira	1452	KAZ	−54B	+89N	−28B	−34N	=69B	−59N	−62N	+87B	+93N	3.5	30.0	32.0	8.75	1467	+14.4
73	Kairat, Alinur	1435	KAZ	−74B	+59N	=50B	+71N	+78B	−25N	−23B	F	F	3.5	28.5	28.5	12.75	1610	+65.6
74	Maulet, Ali	1594	KAZ	+73N	F	−10B	−4B	=45N	−20B	+69N	=47B	F	3.0	40.0	43.5	11.50	1504	-37.2
75	Kunadilov, Yersultan	1532	KAZ	−7N	+13N	+44B	−43B	−60N	−37B	+83N	−36B	−54N	3.0	39.0	42.0	13.50	1549	+7.2
76	Atbailar, Anuar	1430	KAZ	+71B	=52N	−9B	F	−30N	−39N	−59B	=64N	+82B	3.0	35.0	38.0	10.25	1520	+32.4
77	Alemanova, Amira	1494	KAZ	−6B	−71N	−34B	=88N	=49B	+87N	−35B	+94N	−58B	3.0	33.0	35.0	8.00	1406	-42.0
78	Kydyrbay, Margulan	1653	KAZ	=46N	−64B	+47N	+62B	−73N	−45B	=82N	F	−31B	3.0	32.0	35.0	11.75	1427	-100.8
79	Shomanova, Adiya	1514	KAZ	F	+93N	F	−12B	−42N	=50B	−66N	=69B	+83N	3.0	32.0	33.0	9.00	1559	+23.6
80	Meiram, Aisha	1529	KAZ	−3B	−41N	=93B	+86N	−58B	−71N	=88N	−48B	+92N	3.0	30.5	32.5	6.75	1437	-41.2
81	Kazakbay, Suleyman Arif	1490	KAZ	−22B	+34N	−41B	−63N	+89B	+93N	−43B	F	F	3.0	30.5	30.5	9.50	1565	+29.6
82	Uzakbaev, Damir	1544	KAZ	−8B	−95N	+88B	+49N	−63B	=85N	=78B	−35N	−76N	3.0	30.0	31.5	9.75	1410	-79.6
83	Akhmetov, Amantai	1651	KAZ	F	−65N	−94B	−14N	+88B	+95N	−75B	+86N	−79B	3.0	24.0	24.0	6.50	1392	-112.4
84	Vybornova, Stefania	1417	KAZ	+34B	−17N	−21B	=58N	−93B	−69N	−86B	=89N	=96B	2.5	30.5	32.0	9.00	1391	-18.4
85	Talap, Aksyndar	1420	KAZ	−28N	F	=39B	−90B	=50N	=82B	−36N	=91B	=67N	2.5	30.0	30.0	8.75	1435	+6.8
86	Kanatbek, Aizere	1460	KAZ	−30N	=90B	−13N	−80B	−59B	+94N	+84N	−83B	−68B	2.5	29.5	31.5	5.75	1388	-35.6
87	Zhami, Aisha	1409	KAZ	=66N	−26B	−90N	−36B	=92N	−77B	=89B	−72N	+95B	2.5	27.0	28.5	5.50	1377	-17.6
88	Kim, Leyla	1446	KAZ	−27N	−67B	−82N	=77B	−83N	F	=80B	+95N	=69B	2.5	25.5	25.5	6.25	1407	-16.8
89	Amanbek, Dimash	1550	KAZ	−97N	−72B	+92N	−53B	−81N	−91B	=87N	=84B	=94N	2.5	21.5	22.5	5.50	1357	-75.2
90	Ospanov, Alen	1564	KAZ	−2B	=86N	+87B	+85N	F	F	F	F	F	2.5	19.5	19.5	6.25	1632	+12.0
91	Mukashev, Alan	1517	KAZ	=60N	−15B	F	−30B	−66N	+89N	−71B	=85N	−61B	2.0	33.0	35.5	5.75	1411	-47.6
92	Savitskaya, Milana	1469	KAZ	−12N	−23B	−89B	=59N	=87B	−31N	=95B	=96N	−80B	2.0	30.0	31.5	4.75	1291	-114.8
93	Dosmakhanbet, Danelya	1622	KAZ	−70N	−79B	=80N	=47B	+84N	−81B	−31B	−61N	−72B	2.0	29.5	32.0	6.25	1273	-159.6
94	Batyrova, Lyayan	1481	KAZ	−29N	−43B	+83N	−60B	−36N	−86B	=96N	−77B	=89B	2.0	29.5	31.0	5.00	1356	-54.8
95	Takhirov, Ruzmukhammad	1433	KAZ	−56N	+82B	−23N	−37B	−47N	−83B	=92N	−88B	−87N	1.5	30.0	32.0	4.00	1286	-60.4
96	Sagyngali, Abu-Bakir	0	KAZ	F	−29B	−61N	−51N	−65B	−68N	=94B	=92B	=84N	1.5	26.5	26.5	3.25	1276	-47.2
97	Zhangubekov, Sanzhar	1693	KAZ	+89B	−16N	F	F	F	F	F	F	F	1.0	11.0	11.0	2.50	1515	-18.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Abdishev, AldiyarKAZ
+135.6
6.0 pts · #10
2Zhankarayeva, ZhansayaKAZ
+135.2
5.5 pts · #16
3Tleukhanov, EralyKAZ
+113.6
5.5 pts · #18

Top rating losers

1Dosmakhanbet, DanelyaKAZ
-159.6
2.0 pts · #91
2Savitskaya, MilanaKAZ
-114.8
2.0 pts · #94
3Akhmetov, AmantaiKAZ
-112.4
3.0 pts · #79

Biggest upsets

R8+271 Elo gap
Usmanov, Dias1460 beat Sakenov, Askar1731
R5+261 Elo gap
Zhankarayeva, Zhansaya1499 beat Mukashev, Alrami1760
R2+260 Elo gap
Khati, Tailan1605 beat Gein, Dmitriy1865