CChessStats

Black Sea Dolphin U-20 2025

Open SwissStandard

23 players participated in this 7-round tournament, held from 03 Sept 2025 to 09 Sept 2025 in Batumi, Georgia. Top 10 Elo average was 1592, and top seed was Rati Diasamidze (🇬🇪 GEO, 1850).

Shota Tsetskhladze (🇬🇪 GEO, 1736) won with 6.0/7, ahead of Rati Diasamidze (5.5) and Giorgi Davlasheridze (5.0). Tsetskhladze shared the lead from round 5 and won solo starting round 6.

The biggest upset came in round 5: Demetre Gogiashvili (1660) beat Rati Diasamidze (1850), a +190-point gap.

Location
🇬🇪Batumi, Georgia
Dates
03 Sept 2025 → 09 Sept 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Top seed
🇬🇪Rati Diasamidze1850
Avg top 10
1,592
Participants
23
Federations · 1 represented
🇬🇪Georgia×20
Top 3

How it unfolded

Top 6 · 7 rounds

Shota Tsetskhladze led from R6; +0.5-point edge over the runner-up.

Co-leaders
10
4
1
1
4
1
1
23.55.57R1R2R3R4R5R6R7Tsetskhladze takes lead
Tsetskhladze6Diasamidze5.5Davlasheridze5Gogiashvili4.5Gogiashvili4.5Beridze4.5
R6 · LEADER CHANGE08 Sept

Shota Tsetskhladze takes the sole lead (5.0/6).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Shota Tsetskhladze drew with Rati Diasamidze (Black).

WIN STREAKS · 2 top finishers

Shota Tsetskhladze 3 wins (R5–R7)Rati Diasamidze 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Shota Tsetskhladze*
½
1
½
2Rati Diasamidze
½
*—
1
3Giorgi Davlasheridze
0
—*
½
4Giorgi Gogiashvili
½
0
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Tsetskhladze, Shota1736GEO+9B+11N=5B=2N+7B+3N+4B6.027.531.026.001902+50.8
2Diasamidze, Rati1850GEO+13N+18B+8N=1B−4N+15B+5N5.525.528.020.501774-13.6
3Davlasheridze, Giorgi1451GEO+20N=4B+16N=5N+11B−1B+7N5.025.527.517.001704+65.2
4Gogiashvili, Demetre1660GEO+21B=3N=7B+12N+2B=5N−1N4.528.529.516.751662+2.0
5Gogiashvili, Giorgi1670GEO+15N+17B=1N=3B+8N=4B−2B4.528.030.517.251664+0.8
6Beridze, Sopo1439GEO−18N−15B+23N+22B+16N=14B+9B4.517.017.09.751429+2.0
7Petrakov, Bogdan1605GEO=16N+10B=4N+13B−1N+8B−3B4.027.030.015.251605+2.0
8Goguadze, Sandro1532GEO+22B+12N−2B+17N−5B−7N+16B4.023.024.010.00907-33.6
9Nakashidze, Nini1425GEO−1N+23B−17N+21B+10N+13B−6N4.021.521.58.501516+17.6
10Davitadze, Irakli1478GEO−12B−7N+21B+19N−9B+17N+20B4.018.019.07.50715-35.6
11Nadaraia, Ketevan1495GEO+23N−1B=18N+15B−3N=16B=14N3.523.023.07.501426-16.8
12Shainidze, Lasha0GEO+10N−8B+14N−4B−15N+19B=13N3.522.524.511.2514370.0
13Malazonia, Ana1438GEO−2B+22N+20B−7N+18B−9N=12B3.521.522.57.25823-35.2
14Tebidze, Bachuki1441GEO−19B+21N−12B+20N=17B=6N=11B3.518.019.08.251455+1.6
15Tebidze, Kakhi1421GEO−5B+6N+19B−11N+12B−2N−17B3.024.026.010.001407-7.2
16Evdokimov, Iurii0GEO=7B+19N−3B+18N−6B=11N−8N3.023.525.58.2512590.0
17Vartanyan, Iuri0GEOF−5N+9B−8B=14N−10B+15N2.523.023.08.7514370.0
18Totochava, Sergi0GEO+6B−2N=11B−16B−13NF+21N2.521.021.07.2514620.0
19Tebidze, Tekla0GEO+14N−16B−15N−10B+23B−12NF2.017.017.03.5013210.0
20Shakaradze, Rati0GEO−3BF−13N−14B+22N+23B−10N2.017.017.01.006520.0
21FIDE 136485510—−4N−14B−10N−9NF+22B−18B1.019.519.51.007000.0
22FIDE 136430100—−8N−13BF−6N−20B−21N+23N1.015.015.00.006610.0
23FIDE 5220443450—−11B−9N−6BF−19N−20N−22B0.017.017.00.006450.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
Black Sea Dolphin U-20 2025 — Batumi, Georgia | Chess Tournament Results | ChessStats