Petersburg Summer 2025 G11
Open SwissStandard
45 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 1549, and top seed was Mira Ser Zhdanova (🇷🇺 RUS, 1609).
Liliya Chernova (🇷🇺 RUS, 1479) won with 8.0/9, ahead of Yaroslava Likhacheva (7.0) and Viktoriya Art Brykova (7.0). Chernova shared the lead from round 6 and won solo starting round 8.
The biggest upset came in round 9: Mariya Kir Efimenko (1438) beat Mariya Kunovskaya (1565), a +127-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
Federations · 2 represented
🇷🇺Russia×37
FIDE (no federation)×2
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 9 roundsLiliya Chernova 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
18
8
4
2
1
4
2
1
1
R8 · LEADER CHANGE27 Aug
Liliya Chernova takes the sole lead (7.0/8).
WIN STREAKS · 2 top finishers
Liliya Chernova 6 wins (R4–R9)Viktoriya Art Brykova 6 wins (R4–R9)
R5 · LATE SURGE
Viktoriya Art Brykova was #12 at R5, climbed to #2 over the final stretch.
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Liliya Chernova | * | — | 1 | 1 |
| 2Viktoriya Art Brykova | — | * | — | 1 |
| 3Yaroslava Likhacheva | 0 | — | * | ½ |
| 4Vera Den Leisle | 0 | 0 | ½ | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Chernova, Liliya | 1479 | RUS | +33N | +26B | −5N | +38B | +2N | +4B | +7N | +9B | +8N | 8.0 | 45.0 | 48.0 | 42.00 | 2299 | +148.0 |
| 2 | Likhacheva, Yaroslava | 1590 | RUS | +25B | =9N | +16B | +10N | −1B | +15B | +11N | =4B | +5N | 7.0 | 47.5 | 52.0 | 37.75 | 1592 | +0.8 |
| 3 | Brykova, Viktoriya Art | 0 | RUS | +38N | −8B | −17N | +33B | +42N | +21B | +14B | +6N | +4N | 7.0 | 39.5 | 42.0 | 31.00 | 1611 | 0.0 |
| 4 | Leisle, Vera Den | 1444 | FID | +45B | +15N | +20B | +13N | +6B | −1N | +5B | =2N | −3B | 6.5 | 48.5 | 48.5 | 30.00 | 1605 | +34.0 |
| 5 | Olkhina, Olga | 0 | RUS | +22B | +32N | +1B | −6N | +20B | +13N | −4N | +7B | −2B | 6.0 | 47.5 | 51.0 | 31.50 | 1550 | 0.0 |
| 6 | Makovtsova, Varvara | 0 | RUS | +24N | +31B | +8N | +5B | −4N | −7B | +20N | −3B | +14N | 6.0 | 45.5 | 49.5 | 30.00 | 1383 | 0.0 |
| 7 | Vereteshkina, Anna | 1514 | RUS | =30B | =21N | +19B | +29N | +9B | +6N | −1B | −5N | +13B | 6.0 | 44.5 | 48.5 | 30.25 | 1621 | +22.8 |
| 8 | Lukina, Dariya Dm | 0 | RUS | +39B | +3N | −6B | =27N | +22B | =32N | +13B | +10N | −1B | 6.0 | 43.5 | 46.5 | 28.75 | 1525 | 0.0 |
| 9 | Sych, Maria | 1513 | RUS | +34N | =2B | +18N | =21B | −7N | +38B | +32B | −1N | +16B | 6.0 | 42.5 | 45.5 | 25.75 | 1578 | +25.6 |
| 10 | Shadyeva, Daniela Tim | 0 | RUS | =18N | +12B | +11N | −2B | −14N | +35B | +27N | −8B | +32B | 5.5 | 41.5 | 45.0 | 24.50 | 1563 | 0.0 |
| 11 | Nalivayko, Alisa Ev | 1512 | RUS | +19B | −20N | −10B | +39N | +29B | +28N | −2B | =32N | +21B | 5.5 | 38.0 | 41.0 | 22.25 | 1703 | +31.2 |
| 12 | Lyan, Sofiya Aleks | 1479 | RUS | =27B | −10N | +37B | −23N | +17N | =26B | +38N | +20B | =18N | 5.5 | 36.0 | 39.0 | 22.50 | 1656 | +28.4 |
| 13 | Voronkova, Ekaterina | 1529 | RUS | +42N | +17B | +14N | −4B | +21N | −5B | −8N | +26B | −7N | 5.0 | 43.0 | 45.5 | 21.00 | 1587 | +14.8 |
| 14 | Ismagilova, Samira | 1566 | RUS | +37B | +29N | −13B | =15N | +10B | +27B | −3N | =16N | −6B | 5.0 | 41.5 | 45.0 | 22.00 | 1337 | -36.8 |
| 15 | Efimenko, Mariya Kir | 1438 | RUS | +43N | −4B | +24N | =14B | +23B | −2N | −16B | =19N | +28B | 5.0 | 41.5 | 44.0 | 20.50 | 1368 | -19.2 |
| 16 | Rodina, Viktoriya A | 1412 | RUS | =40N | +36B | −2N | +26B | −27N | +22B | +15N | =14B | −9N | 5.0 | 39.0 | 42.0 | 21.00 | 1571 | +51.6 |
| 17 | Ishkova, Vladislava | 0 | RUS | +28B | −13N | +3B | −20N | −12B | +36N | =29B | =25N | +26N | 5.0 | 38.5 | 42.0 | 22.75 | 1512 | 0.0 |
| 18 | Zhdanova, Mira Ser | 1609 | RUS | =10B | +30N | −9B | =32N | −28B | =19N | +36B | +22N | =12B | 5.0 | 38.0 | 41.5 | 21.75 | 1429 | -41.2 |
| 19 | Khacheyan, Alina | 0 | RUS | −11N | +?B | −7N | +34B | −38N | =18B | +30N | =15B | +27N | 5.0 | 36.0 | 36.0 | 16.50 | 1277 | 0.0 |
| 20 | Rodina, Vera | 0 | RUS | +?N | +11B | −4N | +17B | −5N | +23B | −6B | −12N | =24B | 4.5 | 43.5 | 43.5 | 17.25 | 1353 | 0.0 |
| 21 | Palamarchuk, Varvara St | 1582 | RUS | +35N | =7B | +23B | =9N | −13B | −3N | =28B | +29N | −11N | 4.5 | 42.0 | 45.5 | 20.00 | 1466 | -38.4 |
| 22 | Kulikova, Elizaveta | 1504 | RUS | −5N | +43B | =26N | +31B | −8N | −16N | +35B | −18B | +38N | 4.5 | 36.5 | 39.0 | 15.00 | 1501 | -0.8 |
| 23 | Chernikova, Ksenia | 0 | RUS | =36N | +40B | −21N | +12B | −15N | −20N | =24B | =33B | +34N | 4.5 | 34.5 | 37.5 | 17.75 | 1401 | 0.0 |
| 24 | Artemova, Victoria | 0 | RUS | −6B | +41N | −15B | −28N | =39B | +37N | =23N | +38B | =20N | 4.5 | 33.5 | 36.5 | 15.50 | 1380 | 0.0 |
| 25 | Ushnurtseva, Angelina A | 0 | RUS | −2N | −34B | +?N | −42B | +?N | +33B | −26N | =17B | +36N | 4.5 | 29.0 | 29.0 | 9.50 | 1379 | 0.0 |
| 26 | Fedenko, Elizaveta | 1471 | RUS | +44B | −1N | =22B | −16N | +30B | =12N | +25B | −13N | −17B | 4.0 | 41.5 | 43.0 | 15.00 | 1242 | -56.8 |
| 27 | Ulozhenko, Victoriia | 0 | FID | =12N | =35B | +31N | =8B | +16B | −14N | −10B | =28N | −19B | 4.0 | 40.0 | 43.5 | 18.50 | 1505 | 0.0 |
| 28 | Kunovskaya, Mariya | 1565 | RUS | −17N | +42B | −38N | +24B | +18N | −11B | =21N | =27B | −15N | 4.0 | 36.5 | 39.0 | 16.25 | 1381 | -50.0 |
| 29 | Valitova, Alisa Dam | 0 | RUS | +?N | −14B | +33N | −7B | −11N | +42B | =17N | −21B | =30B | 4.0 | 36.0 | 36.0 | 10.50 | 1285 | 0.0 |
| 30 | Oparicheva, Emilia | 0 | RUS | =7N | −18B | +40N | −35B | −26N | +34N | −19B | +42B | =29N | 4.0 | 34.0 | 36.5 | 14.00 | 1201 | 0.0 |
| 31 | Mumford, Kristina | 0 | RUS | +41B | −6N | −27B | −22N | −34B | =44N | =42N | +?B | +40N | 4.0 | 28.0 | 28.0 | 8.00 | 704 | 0.0 |
| 32 | Andrievskaya, Anna | 0 | RUS | F | −5B | +34N | =18B | +35N | =8B | −9N | =11B | −10N | 3.5 | 41.0 | 41.0 | 15.25 | 1534 | 0.0 |
| 33 | Gusarova, Aleksandra Al | 1455 | RUS | −1B | +44N | −29B | −3N | +41B | −25N | +39B | =23N | F | 3.5 | 37.5 | 39.0 | 9.75 | 678 | -18.8 |
| 34 | Shakshanova, Nataliya Pav | 0 | RUS | −9B | +25N | −32B | −19N | +31N | −30B | =43N | +37B | −23B | 3.5 | 35.0 | 37.5 | 13.25 | 714 | 0.0 |
| 35 | Keshishyan, Vlada | 1499 | RUS | −21B | =27N | +36B | +30N | −32B | −10N | −22N | +40B | F | 3.5 | 33.0 | 36.0 | 12.50 | 742 | -35.2 |
| 36 | FIDE 522054820 | 0 | — | =23B | −16N | −35N | +?B | +40N | −17B | −18N | +43B | −25B | 3.5 | 33.0 | 33.0 | 7.75 | 708 | 0.0 |
| 37 | FIDE 522089470 | 0 | — | −14N | =?B | −12N | −?B | +43N | −24B | +44N | −34N | +42B | 3.5 | 25.0 | 25.0 | 6.50 | 723 | 0.0 |
| 38 | Dobronravova, Vasilisa | 1511 | RUS | −3B | +39N | +28B | −1N | +19B | −9N | −12B | −24N | −22B | 3.0 | 44.5 | 47.5 | 12.00 | 1268 | -60.0 |
| 39 | Mardar, Kira | 0 | RUS | −8N | −38B | +43N | −11B | =24N | =40B | −33N | +41B | −?N | 3.0 | 31.0 | 31.0 | 9.25 | 692 | 0.0 |
| 40 | Chernaya, Olga | 0 | RUS | =16B | −23N | −30B | +41N | −36B | =39N | +?B | −35N | −31B | 3.0 | 30.5 | 30.5 | 7.00 | 1263 | 0.0 |
| 41 | Ishchenko, Amina And | 0 | RUS | −31N | −24B | +?N | −40B | −33N | −43B | +?B | −39N | +44B | 3.0 | 22.0 | 22.0 | 1.50 | 654 | 0.0 |
| 42 | FIDE 522078053 | 0 | — | −13B | −28N | +44B | +25N | −3B | −29N | =31B | −30N | −37N | 2.5 | 36.0 | 37.5 | 8.00 | 750 | 0.0 |
| 43 | FIDE 540072185 | 0 | — | −15B | −22N | −39B | +44N | −37B | +41N | =34B | −36N | −?N | 2.5 | 27.5 | 27.5 | 6.25 | 671 | 0.0 |
| 44 | FIDE 540072169 | 0 | — | −26N | −33B | −42N | −43B | +?N | =31B | −37B | −?N | −41N | 1.5 | 23.0 | 23.0 | 2.00 | 662 | 0.0 |
| 45 | FIDE 55877818 | 0 | — | −4N | F | F | F | F | F | F | F | F | 0.0 | 6.5 | 6.5 | 0.00 | 644 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Chernova, LiliyaRUS+148.08.0 pts · #1
- 2Rodina, Viktoriya ARUS+51.65.0 pts · #6
- 3Leisle, Vera DenFID+34.06.5 pts · #10
Top rating losers
- 1Dobronravova, VasilisaRUS-60.03.0 pts · #27
- 2Fedenko, ElizavetaRUS-56.84.0 pts · #24
- 3Kunovskaya, MariyaRUS-50.04.0 pts · #19
Biggest upsets
- R9+127 Elo gap
- R5+111 Elo gap