CChessStats

Estonian U17 Championship 2026

Open SwissStandard

21 players participated in this 6-round tournament, held from 02 Jan 2026 to 04 Jan 2026 in Tartu, Estonia. 1 titled players from 2 federations. Top 10 Elo average was 1833, and top seed was Mikk Kaarel Oim (🇪🇪 EST, 2045).

Mikhail Cherentsov (🇪🇪 EST, 1793) won with 5.0/6, ahead of Maria Ioanna Haapsal (5.0) and Hans-Georg Koosel (4.5). Cherentsov won on tie-break after catching the field in the final round.

The biggest upset came in round 5: Andero Punning (1554) beat Romet-Renee Merivee (1831), a +277-point gap.

Location
🇪🇪Tartu, Estonia
Dates
02 Jan 2026 → 04 Jan 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 6 rounds
Top seed
🇪🇪Mikk Kaarel Oim2045
Avg top 10
1,833
Participants
21
Titled players · 1
WCM×1
Federations · 2 represented
🇪🇪Estonia×20
🇺🇦Ukraine×1
Top 3

How it unfolded

Top 6 · 6 rounds

Tight race until R6; 2 players tied at 5.0/6, decided on Buchholz.

Co-leaders
10
4
2
1
1
2
1.534.56R1R2R3R4R5R6
Haapsal5Cherentsov5Koosel4.5Rajandu4Oim4Merivee3.5
R6 · TIEBREAK CLUSTER

2 players finish on 5.0/6. Cherentsov takes the title on Buchholz Cut1 (20.0).

R3 · HEAD-TO-HEAD · WINNER VS 2ND

WCM Maria Ioanna Haapsal lost to Mikhail Cherentsov (White).

WIN STREAKS · 3 top finishers

WCM Maria Ioanna Haapsal 3 wins (R4–R6)Mikhail Cherentsov 3 wins (R1–R3)Hans-Georg Koosel 4 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1WCMMaria Ioanna Haapsal*
0
1
1
2Mikhail Cherentsov
1
*
0
—
3Hans-Georg Koosel
0
1
*
1
4Aaron Rajandu
0
—
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Cherentsov, Mikhail1793EST+16N+5B+2N−3B+9N+6B5.020.022.017.502044+74.0
2Haapsal, Maria IoannaWCM1918EST+10B+14N−1B+15N+4B+3B5.019.021.016.002023+34.0
3Koosel, Hans-Georg1915EST+15N+9B+4B+1N=6B−2N4.520.522.515.751941+14.0
4Rajandu, Aaron1975EST+13N+11B−3N+7B−2N+9B4.019.022.012.501908-16.0
5Oim, Mikk Kaarel2045EST+17B−1N−7N+16B+12B+10N4.016.518.09.501834-49.2
6Anderson, Markkus1523EST−7N+21B+13N+11B=3N−1N3.519.019.08.251775+52.8
7Merivee, Romet-Renee1831EST+6B=12N+5B−4N−10B+14N3.517.520.011.501813-2.0
8Vassiljev, Saveli0ESTF=17N+14B−9B+18N+11B3.511.511.57.7516720.0
9Lebedev, Risto1693EST+19B−3N+10B+8N−1B−4N3.020.021.58.001617-17.2
10Punning, Andero1554EST−2N+16B−9N+13B+7N−5B3.018.520.58.501744+52.0
11Voropaiev, Illia1764UKR+18B−4N+12B−6N+15B−8N3.016.017.56.501709-10.4
12Jevglevski, Lev1689EST+20N=7B−11N=14B−5N+15B3.015.016.06.001709+0.8
13Karba, Kertu1568EST−4B+18N−6B−10N+19N+20B3.013.514.54.001429-33.2
14Pritulina, Nadezhda1711EST+21N−2B−8N=12N+17B−7B2.516.516.53.001667-12.0
15Rudiger, Maria Helena1550EST−3B+19N+20B−2B−11N−12N2.017.018.02.501022-29.6
16Kuzmina, Oleksandra1502EST−1B−10N+17B−5NF+18B2.015.015.03.001575+12.8
17Liivamagi, Peeter1571EST−5N=8B−16N+20B−14NF1.513.013.02.75930-39.6
18Karba, Karoliina1414EST−11N−13B+21N=19B−8B−16N1.513.013.00.75812-31.2
19Habarov, Daniel0EST−9N−15BF=18N−13B+21N1.59.59.50.7512350.0
20Joeorg, Marius0EST−12BF−15N−17N+21B−13N1.09.59.50.007960.0
21Arumae, Raul0EST−14B−6N−18BF−20N−19B0.010.010.00.007610.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets