SPb B19 Championship 2025
9 players participated in this 9-round tournament, held from 16 Nov 2025 to 24 Nov 2025 in St. Petersburg, Russia. 3 titled players from 2 federations. Top 10 Elo average was 2029, and top seed was Gleb Buyanov (🇷🇺 RUS, 2193).
Alexei Kozlov ( FID, FM, 2180) won with 6.5/9, ahead of Gleb Buyanov (6.0) and Egor Kurchenko (5.5). Kozlov won solo starting round 3.
The biggest upset came in round 5: Roman Grekhov (1898) beat Kirill P. Filippov (FM, 2180), a +282-point gap.
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How it unfolded
Top 9 · 9 roundsFM Alexei Kozlov led from R3 onwards, the runner-up race stayed tight.
FM Alexei Kozlov held the sole lead from R3 through R9 without losing it.
FM Alexei Kozlov drew with Gleb Buyanov (Black).
FM Alexei Kozlov 4 wins (R1–R4)Gleb Buyanov 4 wins (R2–R5)FM Egor Kurchenko 3 wins (R5–R7)
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | FMKozlov, Alexei | 2180 | * | ½ | 1 | 1 | ½ | 1 | 1 | ½ | 1 | 6.5 | 23.50 | 29.5 | +40.0 | 2274 |
| 2 | 🇷🇺Buyanov, Gleb | 2193 | ½ | * | 0 | 1 | ½ | 1 | 1 | 1 | 1 | 6.0 | 19.25 | 30.0 | +14.8 | 2216 |
| 3 | 🇷🇺FMKurchenko, Egor | 2165 | 0 | 1 | * | 0 | ½ | 1 | 1 | 1 | 1 | 5.5 | 17.00 | 30.5 | +3.0 | 2164 |
| 4 | 🇷🇺FMFilippov, Kirill P. | 2180 | 0 | 0 | 1 | * | 1 | 0 | 1 | 1 | 1 | 5.0 | 15.50 | 31.0 | -10.0 | 2118 |
| 5 | 🇷🇺Ershov, Artem | 1956 | ½ | ½ | ½ | 0 | * | 0 | ½ | 1 | 1 | 4.0 | 13.50 | 32.0 | +34.0 | 2039 |
| 7 | 🇷🇺Grekhov, Roman | 1898 | 0 | 0 | 0 | 1 | 1 | * | 0 | 1 | 0 | 3.0 | 11.00 | 33.0 | +18.0 | 1959 |
| 6 | Tambovskii, Kirill | 2023 | 0 | 0 | 0 | 0 | ½ | 1 | * | ½ | 1 | 3.0 | 7.00 | 33.0 | -34.4 | 1943 |
| 8 | 🇷🇺Tolstykh, Kirill | 1986 | ½ | 0 | 0 | 0 | 0 | 0 | ½ | * | 1 | 2.0 | 5.75 | 34.0 | -59.2 | 1842 |
| 9 | 🇷🇺Puchkov, Andrey | 1684 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | * | 1.0 | 3.00 | 35.0 | +0.8 | 1703 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Kozlov, AlexeiFMFID+40.06.5 pts · #1
- 2Ershov, ArtemRUS+34.04.0 pts · #5
- 3Grekhov, RomanRUS+18.03.0 pts · #7
- 1Tolstykh, KirillRUS-59.22.0 pts · #8
- 2Tambovskii, KirillFID-34.43.0 pts · #6
- 3Filippov, Kirill P.FMRUS-10.05.0 pts · #4
- R5+282 Elo gap
- R7+214 Elo gap