CChessStats

World B-08 (Stage 1, Group-B) Cup 2025

Open SwissStandard

24 players participated in this 7-round tournament, held from 23 Jun 2025 to 29 Jun 2025 in Batumi, Georgia. 8 federations represented. Top 10 Elo average was 1668, and top seed was Yuxuan(SH) Wang (🇨🇳 CHN, 1836).

Omer Taha Dede (🇹🇷 TUR, 1643) won with 6.0/7, ahead of Bogdan Kalinin (5.5) and Devansh Vellanki (5.5). Dede took the lead from round 6.

The biggest upset came in round 1: Dinmukhammed Sairan (1521) beat Yuxuan(SH) Wang (1836), a +315-point gap.

Location
🇬🇪Batumi, Georgia
Dates
23 Jun 2025 → 29 Jun 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Top seed
🇨🇳Yuxuan(SH) Wang1836
Avg top 10
1,668
Participants
24
Federations · 8 represented
🇰🇿Kazakhstan×7
FIDE (no federation)×3
🇱🇰Sri Lanka×2
🇸🇪Sweden×1
🇨🇳China×1
🇹🇷Turkiye×1
🇲🇳Mongolia×1
🇸🇬Singapore×1
Top 3

How it unfolded

Top 6 · 7 rounds

Omer Taha Dede led from R6; +0.5-point edge over the runner-up.

Co-leaders
12
5
1
1
1
1
1
23.55.57R1R2R3R4R5R6R7Dede takes lead
Dede6Vellanki5.5Kalinin5.5Kalliyath4.5Nanava4.5Kairgaliyev4.5
R6 · LEADER CHANGE28 Jun

Omer Taha Dede takes the sole lead (5.0/6).

WIN STREAKS · 2 top finishers

Omer Taha Dede 6 wins (R2–R7)Bogdan Kalinin 4 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Omer Taha Dede*—
1
1
2Devansh Vellanki—*
½
½
3Bogdan Kalinin
0
½
*—
4Devanarayanan Kalliyath
0
½
—*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Dede, Omer Taha1643TUR−15B+17N+16B+5N+8B+2N+4B6.024.527.524.502387+87.6
2Kalinin, Bogdan1637FID+13N+18B+9N+6B=3N−1B+7N5.528.031.022.251798+50.0
3Vellanki, Devansh1717USA+16B+11N=5B=4N=2B+6N+8B5.526.529.522.251801+26.4
4Devanarayanan Kalliyath1685IND+21N=6B+12N=3B=7N+10B−1N4.528.030.016.751750+22.0
5Kairgaliyev, Alinur1598KAZ+20N+14B=3N−1B+9N−7B+13N4.527.029.015.751607-2.8
6Nanava, Tsotne1539GEO+22B=4N+8B−2N+10B−3B+12N4.527.028.515.251759+69.2
7Gadisov, Ali1614FID+19B−8N+15B+11N=4B+5N−2B4.525.028.016.251597-5.2
8Sairan, Dinmukhammed1521KAZ+12N+7B−6N+9B−1N+16B−3N4.028.031.015.001677+56.4
9Rakhymtay, Sanzhar1574KAZ+17B+15N−2B−8N−5B+19N+16N4.023.026.012.001370-42.8
10Le Doan, Minh Thuc1813SWE−14N+20B+18N+13B−6N−4N+17B4.022.024.011.501373-87.6
11Suyundukov, Ansar1563KAZ+24N−3B+14N−7B=13N−12B+15N3.523.524.59.251472-12.0
12Wang, Yuxuan(SH)1836CHN−8B+19N−4B+15N=14B+11N−6B3.523.026.011.251403-106.4
13Batsanov, Nikita0FID−2B+23N+22B−10N=11B+14N−5B3.522.524.08.2514670.0
14Jayasuriya, Sayuru Lonindu1513SRI+10B−5N−11B+17N=12N−13B+21N3.522.024.010.751611+18.8
15Aththanayaka, A M Chesandu Yuven0SRI+1N−9B−7N−12B+22B+18N−11B3.024.526.010.501497-28.8
16Vardanyan, Manvel1470ARM−3N+24B−1N+23B+18N−8N−9B3.024.025.05.501360-27.2
17Khangaisaikhan Bayasgalan0MGL−9N−1B+24N−14B+20B+22N−10N3.021.022.04.508290.0
18Zhetpis , Sanzhar1539KAZ+23N−2N−10B+19N−16B−15B+20N3.020.522.06.50841-46.4
19Chernyshov, Makar0KAZ−7N−12B+21N−18B+23N−9B+22N3.018.520.05.008440.0
20Feras Fehem Hashmi0PAK−5B−10N−23B+21B−17N+24N−18B2.018.019.03.008600.0
21Abilashim, Nurdaulet0KAZ−4B=22N−19B−20N=24B+23N−14B2.016.017.02.75788-24.8
22Rajendran, I0SGP−6N=21B−13N+24B−15N−17B−19B1.519.020.02.007380.0
23FIDE 136448820—−18B−13B+20N−16N−19B−21B=24N1.516.517.52.507110.0
24FIDE 136517300—−11B−16N−17B−22N=21N−20B=23B1.015.016.51.756990.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets