Championship of the SZFO 2025_B19
Open SwissStandard
35 players participated in this 9-round tournament, held from 24 Nov 2025 to 02 Dec 2025 in St. Petersburg, Russia. 1 titled players from 2 federations. Top 10 Elo average was 1957, and top seed was Aleksandr Kulnev ( FID, CM, 2133).
Aleksandr Kulnev ( FID, CM, 2133) won with 8.0/9, ahead of Nikita Mitin (7.5) and Yaroslav Lekhtonen (6.5). Kulnev took the lead from round 5.
The biggest upset came in round 7: Ivan D Chernenko (1484) beat Alexander R. Popkov (1952), a +468-point gap.
Location
🇷🇺St. Petersburg, Russia
Dates
24 Nov 2025 → 02 Dec 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 9 rounds
Titled players · 1
CM×1
Federations · 2 represented
🇷🇺Russia×34
FIDE (no federation)×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 9 roundsCM Aleksandr Kulnev led from R5; +0.5-point edge over the runner-up.
Co-leaders
16
4
2
1
1
2
2
1
1
R5 · LEADER CHANGE28 Nov
CM Aleksandr Kulnev takes the sole lead (4.5/5).
R5 · HEAD-TO-HEAD · WINNER VS 2ND
CM Aleksandr Kulnev beat Nikita Mitin (White).
WIN STREAKS · 2 top finishers
CM Aleksandr Kulnev 3+3 wins (R3–R5, R7–R9)Nikita Mitin 4 wins (R1–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1CMAleksandr Kulnev | * | 1 | ½ | 1 |
| 2Nikita Mitin | 0 | * | ½ | — |
| 3Yaroslav Lekhtonen | ½ | ½ | * | 1 |
| 4Vladislav Buga | 0 | — | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Kulnev, AleksandrCM | 2133 | FID | +27N | =10B | +11N | +18B | +2B | =3N | +4B | +8N | +9B | 8.0 | 45.0 | 48.0 | 42.25 | 2229 | +34.4 |
| 2 | Mitin, Nikita | 1878 | RUS | +22N | +13B | +7N | +6B | −1N | +10B | +5N | =3B | +11N | 7.5 | 46.0 | 50.0 | 38.75 | 2097 | +96.4 |
| 3 | Lekhtonen, Yaroslav | 1997 | RUS | +28B | =12N | +5B | =4N | +8B | =1B | +6N | =2N | =7B | 6.5 | 48.0 | 51.0 | 35.25 | 1997 | +10.0 |
| 4 | Seryshev, Viktor | 2046 | RUS | +26N | =25B | =10N | =3B | +7N | +12B | −1N | =5B | =6N | 5.5 | 44.5 | 48.0 | 27.00 | 1928 | -45.2 |
| 5 | Efremov, Ivan | 1821 | RUS | +21N | =18B | −3N | +26B | +11N | +15B | −2B | =4N | =8B | 5.5 | 44.0 | 47.5 | 25.75 | 1896 | +40.0 |
| 6 | Nikitin, Nikolay | 1864 | RUS | +20N | +32B | +14B | −2N | −12B | +19N | −3B | +16N | =4B | 5.5 | 43.5 | 46.0 | 24.25 | 1885 | +14.4 |
| 7 | Filipchik, Dmitriy | 1679 | RUS | +35N | +16B | −2B | =14N | −4B | =11N | +19B | +18N | =3N | 5.5 | 43.5 | 43.5 | 22.25 | 1945 | +117.2 |
| 8 | Buga, Vladislav | 1652 | RUS | +34N | −11B | +29N | +25B | −3N | +18B | +15N | −1B | =5N | 5.5 | 41.0 | 41.5 | 19.25 | 1898 | +107.6 |
| 9 | Chernenko, Ivan D | 1484 | RUS | −12B | +28N | =22B | −16N | +23B | +31N | +14B | +10B | −1N | 5.5 | 39.0 | 41.5 | 21.50 | 1791 | +129.2 |
| 10 | Likhovskikh, Dmitriy | 1863 | RUS | +31B | =1N | =4B | =13N | +14B | −2N | +17B | −9N | =12B | 5.0 | 46.5 | 49.0 | 24.25 | 1820 | -12.4 |
| 11 | Kichev, Grigoriy | 1865 | RUS | =24B | +8N | −1B | +30N | −5B | =7B | +27N | +29N | −2B | 5.0 | 42.0 | 45.0 | 19.25 | 1748 | -47.2 |
| 12 | Korablev, Maksim | 1805 | RUS | +9N | =3B | −18N | +27B | +6N | −4N | =29B | =13B | =10N | 5.0 | 40.5 | 43.5 | 23.75 | 1836 | +16.0 |
| 13 | Rombalskiy, Ivan | 1656 | RUS | +23B | −2N | +24B | =10B | =18N | =29N | =16B | =12N | =17B | 5.0 | 40.0 | 43.0 | 21.75 | 1778 | +51.2 |
| 14 | Popkov, Alexander R. | 1952 | RUS | +17N | +15B | −6N | =7B | −10N | +26B | −9N | +25B | =18B | 5.0 | 39.5 | 43.0 | 22.00 | 1793 | -62.8 |
| 15 | Lambert, Mark | 1786 | RUS | +30B | −14N | +17B | =19N | +16B | −5N | −8B | =20N | +29B | 5.0 | 38.0 | 41.0 | 20.50 | 1715 | -29.2 |
| 16 | Barinov, Andrey | 1920 | RUS | +29B | −7N | =25N | +9B | −15N | +20B | =13N | −6B | +28N | 5.0 | 37.5 | 40.5 | 20.25 | 1707 | -85.6 |
| 17 | Akhmetov, Ramir | 1550 | RUS | −14B | +33N | −15N | +34B | =26N | +25B | −10N | +27B | =13N | 5.0 | 31.5 | 32.0 | 12.75 | 1732 | +77.6 |
| 18 | Merzanyukov, Vladislav | 2051 | RUS | +19B | =5N | +12B | −1N | =13B | −8N | +28B | −7B | =14N | 4.5 | 44.0 | 47.0 | 20.25 | 1778 | -108.4 |
| 19 | Lobanov, Semen A | 1592 | RUS | −18N | +21B | +32N | =15B | =25N | −6B | −7N | +30B | =20N | 4.5 | 36.0 | 38.5 | 16.50 | 1663 | +16.4 |
| 20 | Tzvetkov, Vitaliy | 1534 | RUS | −6B | =23N | −30B | +21N | +22B | −16N | +32N | =15B | =19B | 4.5 | 35.5 | 38.0 | 17.75 | 1600 | +18.4 |
| 21 | Erkebaev, Gaydar | 1490 | RUS | −5B | −19N | −28B | −20B | +33N | +24N | =22B | +26N | +25B | 4.5 | 32.5 | 34.0 | 14.50 | 1611 | +54.4 |
| 22 | Medvednikov, Yaroslav | 1538 | RUS | −2B | =30N | =9N | =32B | −20N | =23B | =21N | =31B | +27N | 4.0 | 34.5 | 37.0 | 14.00 | 1513 | -16.8 |
| 23 | Rusakov, Artem | 1464 | RUS | −13N | =20B | −27N | +33B | −9N | =22N | +34B | F | +31N | 4.0 | 29.0 | 29.5 | 8.75 | 1532 | +29.2 |
| 24 | Strekalovskiy, Leonid | 1538 | RUS | =11N | =27B | −13N | −28N | =32B | −21B | =33N | +34B | +30N | 4.0 | 27.5 | 28.0 | 9.50 | 1533 | -6.0 |
| 25 | Tumaev, Vladimir | 1820 | RUS | +33B | =4N | =16B | −8N | =19B | −17N | +26B | −14N | −21N | 3.5 | 38.5 | 40.0 | 12.50 | 1618 | -90.8 |
| 26 | Ivanov, Nikita S | 1579 | RUS | −4B | +31N | +34B | −5N | =17B | −14N | −25N | −21B | +33B | 3.5 | 33.0 | 33.5 | 7.00 | 1589 | -7.2 |
| 27 | Gashkov, Nikita | 1629 | RUS | −1B | =24N | +23B | −12N | =30B | +32N | −11B | −17N | −22B | 3.0 | 38.0 | 40.5 | 10.00 | 1465 | -73.6 |
| 28 | Isakov, Yaroslav N. | 1578 | RUS | −3N | −9B | +21N | +24B | −29N | +30B | −18N | F | −16B | 3.0 | 37.0 | 40.0 | 11.50 | 1588 | -11.2 |
| 29 | Kulkov, Kirill | 1541 | RUS | −16N | F | −8B | +31N | +28B | =13B | =12N | −11B | −15N | 3.0 | 36.0 | 36.0 | 10.50 | 1632 | +27.6 |
| 30 | Vinogradov, Maxim Dm | 1472 | RUS | −15N | =22B | +20N | −11B | =27N | −28N | +31B | −19N | −24B | 3.0 | 33.0 | 35.5 | 10.50 | 1493 | +4.4 |
| 31 | Kapshtan, Artem | 1492 | RUS | −10N | −26B | +33N | −29B | +34N | −9B | −30N | =22N | −23B | 2.5 | 29.5 | 30.0 | 4.00 | 1375 | -60.4 |
| 32 | Bratukhin, Mikhail | 0 | RUS | F | −6N | −19B | =22N | =24N | −27B | −20B | +33N | =34N | 2.5 | 27.5 | 27.5 | 5.75 | 1438 | 0.0 |
| 33 | Generalov, Timur A | 1489 | RUS | −25N | −17B | −31B | −23N | −21B | +34N | =24B | −32B | −26N | 1.5 | 29.5 | 30.0 | 2.50 | 1295 | -77.6 |
| 34 | Panfilov, Alexey | 1432 | RUS | −8B | F | −26N | −17N | −31B | −33B | −23N | −24N | =32B | 0.5 | 28.5 | 28.5 | 1.25 | 737 | -100.8 |
| 35 | Mazurov, Kirill | 1468 | RUS | −7B | F | F | F | F | F | F | F | F | 0.0 | 8.5 | 8.5 | 0.00 | 879 | -9.2 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Chernenko, Ivan DRUS+129.25.5 pts · #5
- 2Filipchik, DmitriyRUS+117.25.5 pts · #6
- 3Buga, VladislavRUS+107.65.5 pts · #4
Top rating losers
- 1Merzanyukov, VladislavRUS-108.44.5 pts · #17
- 2Panfilov, AlexeyRUS-100.80.5 pts · #34
- 3Tumaev, VladimirRUS-90.83.5 pts · #23
Biggest upsets
- R7+468 Elo gap
- R6+399 Elo gap
- R8+379 Elo gap