CChessStats

SPb B19 Championship 2025

Round-RobinStandard

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.

Location
🇷🇺St. Petersburg, Russia
Dates
16 Nov 2025 → 24 Nov 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Round-robin · 9 rounds
Top seed
🇷🇺Gleb Buyanov2193
Avg top 10
2,029
Participants
9
Titled players · 3
FM×3
Federations · 2 represented
🇷🇺Russia×7
FIDE (no federation)×2
Top 3

How it unfolded

Top 9 · 9 rounds

FM Alexei Kozlov led from R3 onwards, the runner-up race stayed tight.

Co-leaders
3
2
1
1
1
1
1
1
1
#1#2#5#9R1R2R3R4R5R6R7R8R9
R3–R9 · LEAD HELD

FM Alexei Kozlov held the sole lead from R3 through R9 without losing it.

R9 · HEAD-TO-HEAD · WINNER VS 2ND

FM Alexei Kozlov drew with Gleb Buyanov (Black).

WIN STREAKS · 3 top finishers

FM Alexei Kozlov 4 wins (R1–R4)Gleb Buyanov 4 wins (R2–R5)FM Egor Kurchenko 3 wins (R5–R7)

Cross-table

#PlayerElo123456789PtsSBBhΔ EloPerf
1FMKozlov, Alexei2180*½11½11½16.523.5029.5+40.02274
2🇷🇺Buyanov, Gleb2193½*01½11116.019.2530.0+14.82216
3🇷🇺FMKurchenko, Egor216501*0½11115.517.0030.5+3.02164
4🇷🇺FMFilippov, Kirill P.2180001*101115.015.5031.0-10.02118
5🇷🇺Ershov, Artem1956½½½0*0½114.013.5032.0+34.02039
7🇷🇺Grekhov, Roman189800011*0103.011.0033.0+18.01959
6Tambovskii, Kirill20230000½1*½13.07.0033.0-34.41943
8🇷🇺Tolstykh, Kirill1986½00000½*12.05.7534.0-59.21842
9🇷🇺Puchkov, Andrey168400000100*1.03.0035.0+0.81703

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets