CChessStats

St. Petersburg 94th Championship, Final, Women

Open SwissStandard

14 players participated in this 9-round tournament, held from 14 Apr 2026 to 22 Apr 2026 in St. Petersburg, Russia. 5 titled players from 2 federations. Top 10 Elo average was 2005, and top seed was Maria Pershina ( FID, WFM, 2271).

Maria Pershina ( FID, WFM, 2271) won with 7.5/9, ahead of Margarita Kostygova (7.0) and Anastassia Sinitsina (6.0). Pershina won solo starting round 8.

The biggest upset came in round 6: Margarita Kostygova (1875) beat Maria Pershina (WFM, 2271), a +396-point gap.

Location
🇷🇺St. Petersburg, Russia
Dates
14 Apr 2026 → 22 Apr 2026
Time control
Standard: 90min/40moves+30min/end+30sec increment per move starting from move 1
System
Swiss · 9 rounds
Top seed
WFMMaria Pershina2271
Avg top 10
2,005
Participants
14
Titled players · 5
WIM×2
WFM×3
Federations · 2 represented
🇷🇺Russia×11
FIDE (no federation)×3
Top 3

How it unfolded

Top 6 · 9 rounds

WFM Maria Pershina led from R3; +0.5-point edge over the runner-up.

Co-leaders
7
3
1
1
1
2
2
1
1
2.54.579R1R2R3R4R5R6R7R8R9
Pershina7.5Kostygova7Sinitsina6Yurasova5.5Garmash5.5Zaikina5
R3–R9 · LEAD HELD

WFM Maria Pershina held the sole lead from R3 through R9 without losing it.

R6 · HEAD-TO-HEAD · WINNER VS 2ND

WFM Maria Pershina lost to Margarita Kostygova (White).

WIN STREAKS · 2 top finishers

WFM Maria Pershina 4+3 wins (R1–R4, R7–R9)Margarita Kostygova 3 wins (R5–R7)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1WFMMaria Pershina*
0
1
½
2Margarita Kostygova
1
*
0
½
3WIMAnastassia Sinitsina
0
1
*
½
4WFMDaria Yurasova
½
½
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Pershina, MariaWFM2271FID+6N+5B+7N+3B=4N−2B+9B+8N+13N7.540.542.532.752232-1.8
2Kostygova, Margarita1875RUS+12N−3B+6N=11B+5N+1N+7B=4B+8N7.040.543.533.252222+151.6
3Sinitsina, AnastassiaWIM2159RUS+13B+2N=4B−1N=11N=5B=6N+14B+10B6.038.539.522.502087-8.0
4Yurasova, DariaWFM2134RUS+9N=11B=3N+7B=1B−8N+10B=2N=5B5.540.543.525.002065-10.0
5Garmash, AlionaWFM2071RUS+14B−1N=11N+9B−2B=3N+13N+7B=4N5.538.539.517.752057+2.0
6Zaikina, Yuliya1777FID−1B+14N−2B+13N−7N+12B=3B+10N=9N5.036.037.013.751873+37.6
7Makarova, Maria A.1910RUS+10B+8N−1B−4N+6B+11B−2N−5N−12B4.040.543.515.001892-11.2
8Fomina, Elizaveta1847RUS−11N−7B=10N+12B=9N+4B+14N−1B−2B4.036.537.512.751843-8.8
9Efimova, Yulia1762RUS−4B+10N=13B−5N=8B+14B−1N−12N=6B3.535.536.59.501762-5.8
10Komlievskaya, Zlata Ser1594RUS−7N−9B=8B+14N=12N+13B−4N−6B−3N3.033.034.06.501684+30.8
11Karmanova, Olga Dm.WIM2234FID+8B=4N=5B=2N=3B−7NFFF3.032.032.016.001999-32.8
12Trifonova, Daria1614RUS−2B=13N−14B−8N=10B−6NF+9B+7N3.029.529.510.001681+22.0
13Epifanova, Anastasia1775RUS−3N=12B=9N−6B+14N−10N−5BF−1B2.034.534.54.251652-60.4
14Pogodina, Antonina1607RUS−5N−6B+12N−10B−13B−9N−8B−3NF1.032.032.03.001476-48.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets