Petersburg Summer 2025 B11

Open SwissStandard

100 players participated in this 9-round tournament, held from 22 Aug 2025 to 28 Aug 2025 in St. Petersburg, Russia. 2 federations represented. Top 10 Elo average was 1649, and top seed was Nikita Mamatov (🇷🇺 RUS, 1741).

Daniil Sorokin (🇷🇺 RUS, 1594) won with 7.5/9, ahead of Aleksandr Balabaev (7.5) and Ivan Aleks Sokolov (7.0). Sorokin won on tie-break after catching the field in the final round.

The biggest upset came in round 1: David Aleks Makaridze (1482) beat Nikita Mamatov (1741), a +259-point gap.

Location

🇷🇺St. Petersburg, Russia

Dates

22 Aug 2025 → 28 Aug 2025

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 9 rounds

Top seed

🇷🇺Nikita Mamatov1741

Avg top 10

1,649

Participants

100

Federations · 2 represented

🇷🇺Russia×78

FIDE (no federation)×3

Top 3

🥇
Daniil Sorokin
🇷🇺RUS·1594
7.5pts·1748perf+58.8
🥈
Aleksandr Balabaev
🇷🇺RUS·1489
7.5pts·1747perf+80.0
🥉
Ivan Aleks Sokolov
🇷🇺RUS·1583
7.0pts·1766perf+63.6

How it unfolded

Top 6 · 9 rounds

Tight race until R9; 2 players tied at 7.5/9, decided on Buchholz.

Co-leaders

Sorokin7.5Balabaev7.5Sokolov7Kovalev7Zhernovoy7Sargisian6.5

R9 · TIEBREAK CLUSTER

2 players finish on 7.5/9. Sorokin takes the title on Buchholz Cut1 (47.5).

R9 · HEAD-TO-HEAD · WINNER VS 2ND

Daniil Sorokin beat Aleksandr Balabaev (Black).

WIN STREAKS · 3 top finishers

Daniil Sorokin 3 wins (R7–R9)Aleksandr Balabaev 4+3 wins (R1–R4, R6–R8)Ivan Aleks Sokolov 3 wins (R6–R8)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Daniil Sorokin	*	1	—	—
2Aleksandr Balabaev	0	*	½	—
3Ivan Aleks Sokolov	—	½	*	0
4Vasily A Kovalev	—	—	1	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Sorokin, Daniil	1594	RUS	+51B	=6N	+32B	+19N	=12B	=9N	+29B	+17N	+2N	7.5	47.5	52.0	42.50	1748	+58.8
2	Balabaev, Aleksandr	1489	RUS	+83B	+84N	+9B	+56N	=3B	+8B	+15N	+18N	−1B	7.5	46.5	49.5	38.50	1747	+80.0
3	Sokolov, Ivan Aleks	1583	RUS	+85N	+37B	=7N	+36B	=2N	+20B	+31N	+10B	−5B	7.0	48.0	51.0	37.00	1766	+63.6
4	Zhernovoy, Maksim Aleks	1611	RUS	+48B	=21N	−6B	+35N	+57B	=19N	+56B	+8B	+16N	7.0	43.5	47.5	35.50	1571	-8.0
5	Kovalev, Vasily A	1523	RUS	=35B	+75N	=41B	+46N	−6B	+59N	+58B	+31B	+3N	7.0	41.0	44.5	33.00	1802	+71.2
6	Sargisian, Daniil	1457	FID	+45N	=1B	+4N	=30B	+5N	=10B	−8N	+36B	+31N	6.5	49.5	54.0	38.00	1810	+126.4
7	Anisimov, Artem	0	RUS	+58B	+46N	=3B	+11B	−8N	−17N	+28B	+24N	+18B	6.5	46.5	50.5	35.00	1657	0.0
8	Loginov, Vasiliy	0	RUS	+90N	+52B	=33N	+57B	+7B	−2N	+6B	−4N	+32B	6.5	46.0	48.5	31.50	1552	0.0
9	Savin, Andrei	1514	RUS	+87N	+72B	−2N	+38B	+45N	=1B	−10N	+30B	+22N	6.5	45.0	48.0	30.25	1538	+6.8
10	Uymanov, Yaroslav	1587	RUS	+79B	−56N	+90B	+24N	+29B	=6N	+9B	−3N	+17B	6.5	43.5	46.0	31.75	1642	+22.4
11	Kutsenko, Luka Vyach	1643	RUS	+39B	+70N	=19B	−7N	+33B	−29N	+62B	+20B	+23N	6.5	42.0	45.5	31.25	1723	+24.8
12	Sinitsin, Artemiy	1477	RUS	+49N	+71B	=13N	+33B	=1N	=30B	−18B	=29N	+35N	6.0	43.5	47.0	29.75	1659	+68.8
13	Zhukov, Gleb Dm	0	RUS	+44B	+18N	=12B	−14N	−16B	+48N	=33B	+58N	+29B	6.0	43.0	47.0	29.50	1601	0.0
14	Egorychev, Georgy	1586	RUS	+63N	=17B	+73N	+13B	=15B	−31N	+42B	−16N	+37N	6.0	42.5	46.0	29.25	1649	+18.8
15	Kolesov, Maksim Rom	1586	RUS	+76N	=34B	+17N	+20B	=14N	+70B	−2B	−32N	+56N	6.0	42.0	45.5	27.50	1617	+17.2
16	Kondratovich, Ivan	0	RUS	=69N	−73B	+95B	+62N	+13N	=34B	+70N	+14B	−4B	6.0	39.0	41.5	26.50	1610	0.0
17	Fedulov, Demian	1451	RUS	+96B	=14N	−15B	+48N	+22N	+7B	+30N	−1B	−10N	5.5	47.5	49.0	26.00	1504	+16.8
18	Shpigotskiy, Dmitriy	1640	FID	+64N	−13B	+60N	+84B	=34N	+23B	+12N	−2B	−7N	5.5	44.5	47.5	25.00	1609	-7.2
19	Tikhanovich, Mark Ig	1485	RUS	+82N	+53B	=11N	−1B	+71N	=4B	−32B	=40N	+46B	5.5	43.5	47.0	25.25	1563	+29.6
20	Kirillov, Petr	1413	RUS	+88B	+95N	+31B	−15N	+61B	−3N	+46B	−11N	=25N	5.5	41.5	44.0	21.75	1568	+57.6
21	Slaboda, Egor	0	RUS	+?N	=4B	−22N	+73B	=36N	=25B	−23N	+45B	+47N	5.5	41.0	41.0	21.25	1487	0.0
22	Chernolikhov, Roman	1490	RUS	+67B	=78N	+21B	−29N	−17B	+77N	+27B	+34N	−9B	5.5	40.5	44.0	25.25	1467	-7.2
23	Makaridze, David Aleks	1482	RUS	+50B	−33N	=86B	+75N	+26B	−18N	+21B	+47N	−11B	5.5	40.5	43.5	25.00	1671	+71.2
24	Kudryavtsev, Nikita	1718	RUS	+93N	−30B	+49N	−10B	+60N	+45B	=36N	−7B	+50B	5.5	40.5	43.0	22.50	1592	-32.4
25	Solonovich, Svyatoslav Ev	1461	RUS	+59B	+40N	F	F	+39B	=21N	=41B	+42N	=20B	5.5	39.0	39.0	27.00	1777	+45.6
26	Petrosyan, Vladimir Grig	1576	RUS	=60N	+69B	=34N	−61B	−23N	+85B	=64N	+49B	+52N	5.5	35.5	38.5	22.50	1584	+3.6
27	Bavykin, Mikhail Aleks	0	RUS	−30N	+?B	−47N	=81B	+73N	+74B	−22N	+71B	+57N	5.5	33.0	33.0	16.25	1450	0.0
28	Grigoriev, Igor	0	RUS	−84N	−65B	+64N	=63B	+76N	+71B	−7N	+85B	+70N	5.5	32.0	35.0	19.50	1567	0.0
29	Ratnikov, Pavel Andr.	1652	RUS	+66N	+54B	=30N	+22B	−10N	+11B	−1N	=12B	−13N	5.0	47.5	51.5	26.00	1553	-32.4
30	Stepikhov, Daniil Ant	1526	RUS	+27B	+24N	=29B	=6N	+56B	=12N	−17B	−9N	=40B	5.0	45.5	49.5	26.25	1539	+4.0
31	Dymov, Dmitrii	1589	FID	+65N	+61B	−20N	+72B	+32N	+14B	−3B	−5N	−6B	5.0	45.0	48.5	22.50	1461	-49.2
32	Buzenkov, Igor M	1449	RUS	+91B	+47B	−1N	+59N	−31B	F	+19N	+15B	−8N	5.0	44.0	46.5	22.50	1637	+51.6
33	Sokolov, Vladimir Yur	1547	RUS	+68N	+23B	=8B	−12N	−11N	+90B	=13N	=38B	=62N	5.0	43.5	46.0	22.75	1410	-22.0
34	Konyushenko, Sergey V	1599	RUS	+80B	=15N	=26B	+41N	=18B	=16N	=47B	−22B	=38N	5.0	43.0	46.5	24.75	1501	-26.8
35	Batrankov, Dmitriy Den	0	RUS	=5N	=60B	+53N	−4B	+38N	F	+61B	+57N	−12B	5.0	42.5	46.5	23.00	1546	0.0
36	Kholodnov, Oleg Al	1636	RUS	+55B	=62N	+78B	−3N	=21B	+61N	=24B	−6N	=39B	5.0	42.0	45.5	22.00	1494	-31.6
37	Terentiev, Timur Al	1468	RUS	+86B	−3N	=48B	=58N	+79B	−46N	+51B	+44N	−14B	5.0	39.0	42.0	20.25	774	-50.0
38	FIDE 522078312	0	—	−95B	+80N	+55B	−9N	−35B	+43N	+59B	=33N	=34B	5.0	38.5	41.0	22.00	1428	0.0
39	Khrapach, Konstantin	0	RUS	−11N	+87B	+43N	−70B	−25N	+66B	=45N	+72B	=36N	5.0	37.5	40.5	20.25	1264	0.0
40	Iushin, Vladislav	1623	RUS	+92N	−25B	+68N	−47B	−65N	+60B	+67N	=19B	=30N	5.0	36.5	39.0	19.75	1435	-52.4
41	Petrov, Mikhail Al.	0	RUS	+97N	=57B	=5N	−34B	=91N	+49B	=25N	−56B	+58N	5.0	36.5	37.5	19.00	1447	0.0
42	Timofeev, Stepan	1470	RUS	−72N	+88B	+63N	−45B	+85N	+67B	−14N	−25B	+59N	5.0	34.5	37.5	18.00	1518	+10.0
43	Kuzovlev, Mikhail I.	0	RUS	−57N	+50N	−39B	+76B	−74N	−38B	+96N	+84B	+64N	5.0	32.5	34.0	16.50	1591	0.0
44	Melnichenko, Platon Yar	0	RUS	−13N	=76B	=85N	−60B	+97N	+53B	+84N	−37B	+74N	5.0	32.5	33.5	15.25	1278	0.0
45	Moschev, Grigoriy	0	RUS	−6B	+51N	+79B	+42N	−9B	−24N	=39B	−21N	+77B	4.5	42.0	45.5	19.00	1347	0.0
46	Lavochkin, Fedor	1555	RUS	+99N	−7B	+54N	−5B	+72N	+37B	−20N	=70B	−19N	4.5	41.0	42.0	15.75	1357	-53.6
47	Kleiner, Mikhail Ser	1580	RUS	+77B	−32N	+27B	+40N	−70N	+52B	=34N	−23B	−21B	4.5	39.5	43.0	21.00	1483	-32.4
48	Predein, Robert Lar	0	RUS	−4N	+92B	=37N	−17B	+81N	−13B	−50N	+?B	+72N	4.5	37.5	37.5	12.00	1256	0.0
49	Fisher, Vladislav Andr	1473	RUS	−12B	+96N	−24B	=50N	+75B	−41N	+74B	−26N	+78B	4.5	37.0	38.5	14.25	1479	-0.8
50	Mamatov, Nikita	1741	RUS	−23N	−43B	+92N	=49B	+68N	−58N	+48B	+82B	−24N	4.5	36.5	39.0	16.75	1286	-66.4
51	Yakovlev, Vladimir Dm	0	RUS	−1N	−45B	+?N	=68B	=66N	+93B	−37N	=67B	+80N	4.5	35.0	35.0	12.00	1256	0.0
52	Tayler, Aleksandr L	1472	RUS	+100B	−8N	−59B	+86N	+83B	−47N	=63B	+77N	−26B	4.5	34.5	34.5	12.00	1291	-26.4
53	Shoshin, Andrey	0	RUS	+?B	−19N	−35B	+55N	−58B	−44N	=91N	+92B	+82N	4.5	32.5	32.5	11.75	683	0.0
54	FIDE 522066926	0	—	+74B	−29N	−46B	=77N	−62B	+94N	−71N	+90B	+84N	4.5	29.5	32.0	13.25	757	0.0
55	Perunov, Daniil Ol	0	RUS	−36N	+97B	−38N	−53B	+?N	−64B	=92N	+?B	+71N	4.5	25.5	25.5	5.75	1549	0.0
56	Tatarenkov, Aristarkh	1411	RUS	+81N	+10B	F	−2B	−30N	+65B	−4N	+41N	−15B	4.0	46.5	50.0	19.00	1320	-21.2
57	Seryshev, Rodion	1542	RUS	+43B	=41N	+62B	−8N	−4N	=63B	+65N	−35B	−27B	4.0	42.0	46.0	17.50	1381	-17.6
58	Babkov, Aleksandr D	0	RUS	−7N	+94B	=71N	=37B	+53N	+50B	−5N	−13B	−41B	4.0	42.0	44.5	15.75	1559	0.0
59	Levochkin, Nikita Ant	0	RUS	−25N	+?B	+52N	−32B	+84N	−5B	−38N	+69B	−42B	4.0	39.0	39.0	11.50	1366	0.0
60	Ishkhanov, Aron	0	RUS	=26B	=35N	−18B	+44N	−24B	−40N	F	+91B	+66N	4.0	38.5	41.0	16.75	1319	0.0
61	Trofimov, Sergey Al	1569	RUS	+89B	−31N	+67B	+26N	−20N	−36B	−35N	+87B	F	4.0	37.0	40.0	15.50	1466	-28.0
62	Alimuradov, Maksim	0	RUS	+94N	=36B	−57N	−16B	+54N	+91B	−11N	F	=33B	4.0	37.0	39.5	14.50	1400	0.0
63	Ozdoev, Ruslan Tim	1534	RUS	−14B	+89N	−42B	=28N	+94B	=57N	=52N	=64B	F	4.0	36.0	38.5	14.50	1329	-43.2
64	Chernodedov, Gordei	0	RUS	−18B	−86N	−28B	+98N	+89B	+55N	=26B	=63N	−43B	4.0	36.0	37.0	13.25	1459	0.0
65	Baranov, Dmitriy Maxim	0	RUS	−31B	+28N	−70B	+95N	+40B	−56N	−57B	−66N	+85N	4.0	34.0	36.5	16.00	1316	0.0
66	Popenkov, Valeriy	0	RUS	−29B	=74N	−75B	+?N	=51B	−39N	+76N	+65B	−60B	4.0	33.0	33.0	11.50	1445	0.0
67	Shchepin, Konstantin	1479	RUS	−22N	+99B	−61N	+97B	+78B	−42N	−40B	=51N	=68B	4.0	32.5	33.5	9.75	739	-66.8
68	Kitov, Nikita	0	RUS	−33B	+?N	−40B	=51N	−50B	−73N	+98N	+75B	=67N	4.0	31.0	31.0	8.75	1455	0.0
69	Zhukov, Aleksandr	1508	RUS	=16B	−26N	F	F	+96B	=80B	+93N	−59N	+88B	4.0	28.5	28.5	11.75	776	-18.8
70	Osipov, Makar	1598	RUS	F	−11B	+65N	+39N	+47B	−15N	−16B	=46N	−28B	3.5	42.0	42.0	15.75	1502	-22.4
71	Rekin, Denis	1463	RUS	+98B	−12N	=58B	+74N	−19B	−28N	+54B	−27N	−55B	3.5	39.0	40.0	11.00	682	-38.0
72	Krutov, Ivan K	0	RUS	+42B	−9N	+77B	−31N	−46B	+79N	=78B	−39N	−48B	3.5	37.5	41.0	13.75	1339	0.0
73	Komarnitskiy, Mikhail Aleks	0	RUS	=75B	+16N	−14B	−21N	−27B	+68B	+90N	F	F	3.5	37.0	37.0	14.25	1417	0.0
74	FIDE 540072088	0	—	−54N	=66B	+?N	−71B	+43B	−27N	−49N	+81B	−44B	3.5	35.5	35.5	10.50	669	0.0
75	Sakhno, Robert Ev	1629	RUS	=73N	−5B	+66N	−23B	−49N	+92B	−82N	−68N	+87B	3.5	35.0	37.5	11.25	694	-82.4
76	Ertel, Alexander	1419	RUS	−15B	=44N	=83B	−43N	−28B	+99N	−66B	=86N	+93B	3.5	34.5	35.5	9.25	782	-11.6
77	FIDE 522089381	0	—	−47N	+93B	−72N	=54B	+80N	−22B	+81N	−52B	−45N	3.5	34.0	36.5	11.75	717	0.0
78	FIDE 55888488	0	—	+?N	=22B	−36N	=91B	−67N	=82B	=72N	=80B	−49N	3.5	32.0	32.0	9.25	1198	0.0
79	Burchik, Daniil Andr	0	RUS	−10N	+81B	−45N	+82B	−37N	−72B	−87N	=93B	+?N	3.5	32.0	32.0	8.25	751	0.0
80	FIDE 522094725	0	—	−34N	−38B	+99N	=90B	−77B	=69N	+83B	=78N	−51B	3.5	31.5	32.5	9.50	1384	0.0
81	Pugachev, Daromir	0	RUS	−56B	−79N	+98B	=27N	−48B	+88N	−77B	−74N	+94B	3.5	30.0	31.0	9.25	613	0.0
82	Barashenkov, Maksim	0	RUS	−19B	+98N	−84B	−79N	+99B	=78N	+75B	−50N	−53B	3.5	29.0	30.0	7.25	1492	0.0
83	FIDE 522031782	0	—	−2N	=?B	=76N	+?B	−52N	−84B	−80N	+89B	=91N	3.5	27.5	27.5	6.00	1193	0.0
84	Vorobiev, Aleksandr Pav	0	RUS	+28B	−2B	+82N	−18N	−59B	+83N	−44B	−43N	−54B	3.0	40.5	44.0	12.50	766	0.0
85	FIDE 540072061	0	—	−3B	=91N	=44B	+88N	−42B	−26N	+86B	−28N	−65B	3.0	38.0	40.5	9.75	742	0.0
86	Dmitriev, Aleksey Vadim	0	RUS	−37N	+64B	=23N	−52B	−90N	=87B	−85N	=76B	=?N	3.0	31.0	31.0	10.00	1284	0.0
87	FIDE 540072002	0	—	−9B	−39N	=96B	−94N	+?B	=86N	+79B	−61N	−75N	3.0	29.5	29.5	5.75	771	0.0
88	FIDE 540072045	0	—	−20N	−42N	+89B	−85B	−92N	−81B	+97N	+96B	−69N	3.0	28.0	29.0	5.50	679	0.0
89	FIDE 540072029	0	—	−61N	−63B	−88N	+?B	−64N	+97B	F	−83N	+98B	3.0	24.5	24.5	2.00	752	0.0
90	Filichkin, Sergey Ser	0	RUS	−8B	F	−10N	=80N	+86B	−33N	−73B	−54N	+92B	2.5	35.0	35.0	7.25	767	0.0
91	Surma, Artem	0	RUS	−32N	=85B	F	=78N	=41B	−62N	=53B	−60N	=83B	2.5	33.5	36.5	9.75	649	0.0
92	FIDE 540071995	0	—	−40B	−48N	−50B	+?N	+88B	−75N	=55B	−53N	−90N	2.5	32.0	32.0	5.25	865	0.0
93	FIDE 522078207	0	—	−24B	−77N	=94B	=96N	+95B	−51N	−69B	=79N	−76N	2.5	29.5	31.0	6.25	766	0.0
94	FIDE 55784070	0	—	−62B	−58N	=93N	+87B	−63N	−54B	−?N	+99B	−81N	2.5	26.5	26.5	5.25	737	0.0
95	FIDE 540071960	0	—	+38N	−20B	−16N	−65B	−93N	=?B	−?N	=98B	=96N	2.5	25.5	25.5	6.25	612	0.0
96	FIDE 540072037	0	—	−17N	−49B	=87N	=93B	−69N	F	−43B	−88N	=95B	1.5	30.0	30.0	4.00	693	0.0
97	FIDE 55877419	0	—	−41B	−55N	F	−67N	−44B	−89N	−88B	=?N	=99B	1.0	25.5	25.5	0.50	679	0.0
98	FIDE 540072053	0	—	−71N	−82B	−81N	−64B	=?N	F	−68B	=95N	−89N	1.0	24.0	24.0	1.25	663	0.0
99	FIDE 540072096	0	—	−46B	−67N	−80B	F	−82N	−76B	=?B	−94N	=97N	1.0	22.5	22.5	0.50	687	0.0
100	Lyubimov, Yan	0	RUS	−52N	F	F	F	F	F	F	F	F	0.0	7.0	7.0	0.00	681	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Sargisian, DaniilFID
+126.4
6.5 pts · #3
2Balabaev, AleksandrRUS
+80.0
7.5 pts · #5
3Makaridze, David AleksRUS
+71.2
5.5 pts · #13

Top rating losers

1Sakhno, Robert EvRUS
-82.4
3.5 pts · #97
2Shchepin, KonstantinRUS
-66.8
4.0 pts · #94
3Mamatov, NikitaRUS
-66.4
4.5 pts · #62

Biggest upsets

R1+259 Elo gap
Makaridze, David Aleks1482 beat Mamatov, Nikita1741
R2+192 Elo gap
Stepikhov, Daniil Ant1526 beat Kudryavtsev, Nikita1718
R8+179 Elo gap
Sargisian, Daniil1457 beat Kholodnov, Oleg Al1636