CChessStats

SPb B19 Championship Semifinal 2025

Open SwissStandard

18 players participated in this 7-round tournament, held from 26 Oct 2025 to 01 Nov 2025 in St. Petersburg, Russia. Top 10 Elo average was 1808, and top seed was Artem Ershov (πŸ‡·πŸ‡Ί RUS, 1921).

Andrey Puchkov (πŸ‡·πŸ‡Ί RUS, 1683) won with 5.0/7, ahead of Roman Grekhov (5.0) and Artem Ershov (5.0). Puchkov shared the lead from round 6, winning on tie-break.

The biggest upset came in round 4: Andrey Ryabchenko (1648) beat Ilya Rusanov (1867), a +219-point gap.

Location
πŸ‡·πŸ‡ΊSt. Petersburg, Russia
Dates
26 Oct 2025 β†’ 01 Nov 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss Β· 7 rounds
Top seed
πŸ‡·πŸ‡ΊArtem Ershov1921
Avg top 10
1,808
Participants
18
Federations Β· 1 represented
πŸ‡·πŸ‡ΊRussiaΓ—18
Top 3
  • πŸ₯‡
    Andrey Puchkov
    πŸ‡·πŸ‡ΊRUSΒ·1683
    5.0ptsΒ·1938perf+94.8
  • πŸ₯ˆ
    Roman Grekhov
    πŸ‡·πŸ‡ΊRUSΒ·1902
    5.0ptsΒ·1866perf-4.8
  • πŸ₯‰
    Artem Ershov
    πŸ‡·πŸ‡ΊRUSΒ·1921
    5.0ptsΒ·1871perf-9.6

How it unfolded

Top 6 Β· 7 rounds

Tight race until R7; 3 players tied at 5.0/7, decided on Buchholz.

Co-leaders
6
3
1
1
2
2
3
23.55.57R1R2R3R4R5R6R7
Ershov5Grekhov5Puchkov5Rusanov4.5Korotkikh4.5Ryabchenko4β€” ex-leaders:Zhukovled R3–R4, #8
R7 Β· TIEBREAK CLUSTER

3 players finish on 5.0/7. Puchkov takes the title on Buchholz Cut1 (24.0).

R4–R6 Β· WIN STREAK

Artem Ershov won 3 in a row (R4–R6).

Key matchups Β· top 4

Head-to-head between the four finishers
Player1234
1Artem Ershov*β€”
Β½
β€”
2Roman Grekhovβ€”*β€”β€”
3Andrey Puchkov
Β½
β€”*
1
4Ilya Rusanovβ€”β€”
0
*

Grille amΓ©ricaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΞ”
1Puchkov, Andrey1683RUS=14B+5N=16B+9N=6N+4B=3B5.024.026.019.251938+94.8
2Grekhov, Roman1902RUSβˆ’8N+12B+15N=10N+7B=9N+6B5.022.024.517.001866-4.8
3Ershov, Artem1921RUS+18Bβˆ’9N=7B+16N+10B+6B=1N5.022.024.016.001871-9.6
4Korotkikh, Miron1855RUS+12B+8N=10B=6B+11Nβˆ’1N=7B4.523.526.515.751775-21.6
5Rusanov, Ilya1867RUS=16Nβˆ’1B+8Bβˆ’7N+17B+12N+9B4.521.523.513.501744-36.8
6Zhukov, Konstantin1860RUS+17B+7N+9B=4N=1Bβˆ’3Nβˆ’2N4.027.029.014.251821-10.4
7Ryabchenko, Andrey1648RUS+11Nβˆ’6B=3N+5Bβˆ’2N+14B=4N4.026.028.514.751827+64.4
8Gavrikov, Andrei1686RUS+2Bβˆ’4Bβˆ’5Nβˆ’11B+18N+17N+10B4.022.524.512.501771+32.0
9Dudkin, Mikhail Dm.1838RUS+15N+3Bβˆ’6Nβˆ’1B+16N=2Bβˆ’5N3.526.028.012.001764-24.8
10Gerchikov, Matvey1821RUS=13B+14N=4N=2Bβˆ’3N+11Bβˆ’8N3.524.527.011.751703-37.6
11Averbukh, Aleksandr1470RUSβˆ’7B=17N+13B+8Nβˆ’4Bβˆ’10N=12B3.022.024.09.501610+43.2
12Bogomolov, Alexey S.1538RUSβˆ’4Nβˆ’2N+18B=14B+15Nβˆ’5B=11N3.022.024.07.251637+27.2
13Abrosin, Sergei1523RUS=10Nβˆ’16Bβˆ’11N+18Bβˆ’14N=15B+17B3.015.517.57.001535+2.0
14Berezin, Kirill I.1563RUS=1Nβˆ’10B=17B=12N+13Bβˆ’7Nβˆ’18B2.520.522.58.001519-19.2
15Shelyapin, Ilya1560RUSβˆ’9B+18Nβˆ’2Bβˆ’17Nβˆ’12B=13N+16B2.518.520.55.501539-14.0
16Kolva, Petr1551RUS=5B+13N=1Nβˆ’3Bβˆ’9Bβˆ’18Nβˆ’15N2.023.525.57.751554-7.6
17Afanasiev, Mikhail V1546RUSβˆ’6N=11B=14N+15Bβˆ’5Nβˆ’8Bβˆ’13N2.021.023.55.251489-26.8
18Kuznetsov, Viktor1588RUSβˆ’3Nβˆ’15Bβˆ’12Nβˆ’13Nβˆ’8B+16B+14N2.020.022.04.501462-50.4

Key insights

Biggest movers and upsets β€” the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
SPb B19 Championship Semifinal 2025 β€” St. Petersburg, Russia | Chess Tournament Results | ChessStats