CChessStats

Tartu Chess Championship 2025

Open SwissStandard

24 players participated in this 5-round tournament, held from 29 Nov 2025 to 30 Nov 2025 in Tartu, Estonia. 2 federations represented. Top 10 Elo average was 1799, and top seed was Pavel Vorobjov (🇪🇪 EST, 2229).

Pavel Vorobjov (🇪🇪 EST, 2229) won with 5.0/5, ahead of Mihkel Tomson (4.0) and Mikk Kaarel Oim (4.0). Vorobjov broke clear in the final round.

The biggest upset came in round 5: Marie Raudsepp (1486) beat Marten Vadi (1694), a +208-point gap.

Location
🇪🇪Tartu, Estonia
Dates
29 Nov 2025 → 30 Nov 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
🇪🇪Pavel Vorobjov2229
Avg top 10
1,799
Participants
24
Federations · 2 represented
🇪🇪Estonia×21
🇱🇻Latvia×1
Top 3

How it unfolded

Top 6 · 5 rounds

Pavel Vorobjov led from R5; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders
13
6
3
2
1
1.52.545R1R2R3R4R5
Vorobjov5Oim4Toome4Tomson44Tiisler3
R5–R5 · LEAD HELD

Pavel Vorobjov never relinquished the lead after R5; final gap +1.0 over the runner-up.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Pavel Vorobjov beat Mikk Kaarel Oim (White).

WIN STREAKS · 3 top finishers

Pavel Vorobjov 5 wins (R1–R5)Mikk Kaarel Oim 3 wins (R1–R3)Oskar Toome 3 wins (R3–R5)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Pavel Vorobjov*
1
—
1
2Mikk Kaarel Oim
0
*——
3Oskar Toome——*
0
4Mihkel Tomson
0
—
1
*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Vorobjov, Pavel2229EST+4N+7B+6N+3B+2N5.015.018.018.002716+11.4
2Tomson, Mihkel1940EST+22N+5B+14N+6B−1B4.014.015.010.002046+8.8
3Oim, Mikk Kaarel1978EST+20B+12N+8B−1N+7B4.013.515.510.502010+12.0
4FIDE 45353670—−1B+11N+23B+22N+8B4.012.013.08.0020330.0
5Toome, Oskar1619EST+21B−2N+18B+9N+12B4.011.513.09.001794+25.6
6Kokk, Karl Mattias1916EST+15B+9N−1B−2N+18B3.014.016.07.001770-21.2
7Sild, Aron1619EST+23N−1N+19B+10B−3N3.014.015.06.001733+10.4
8Tiisler, Tanel1836EST+19N+10B−3N+14B−4N3.013.015.07.001778-2.6
9Raudsepp, Marie1486EST+17N−6B+16N−5B+13N3.011.513.56.501607+14.8
10Punning, Andero1577EST+24B−8N+11B−7N+15B3.011.011.55.50928-24.8
11Vatsing, Mattias0EST+?N−4B−10N+23B+14N3.010.010.03.0015150.0
12Karba, Kertu1584EST+16N−3B+17N=13B−5N2.512.514.55.251491-15.2
13Vadi, Marten1694EST+18B−14N+22B=12N−9B2.59.510.54.251341-36.8
14Betlem, Matti0EST+?N+13B−2B−8N−11B2.012.512.52.5016980.0
15Hook, Joosep0EST−6N−17B+?N+16B−10N2.010.010.02.009470.0
16Novikov, Lukaa0EST−12B+20N−9B−15N+22B2.09.510.53.007340.0
17Tuur, Tarmo0EST−9B+15N−12B+19NF2.09.59.54.007340.0
18Lepik, Ava0EST−13N+?B−5N+?B−6N2.09.59.50.0014780.0
19Betlem, Triin0EST−8B+24N−7N−17B+?N2.08.58.50.5015110.0
20Parmask, Gert0EST−3N−16B=24N=?B+23N2.07.57.51.2511780.0
21FIDE 45177250—−5N−22B−?N+24B=?N1.55.55.50.507360.0
22Golubenkov, Janis0EST−2B+21N−13N−4B−16N1.012.514.01.5010170.0
23Luhaaar, Janek0EST−7B+?B−4N−11N−20B1.012.012.00.0015360.0
24Sradere, Greta0LAT−10N−19B=20B−21NF0.58.58.51.007770.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets