2026 Youth championships of TESSSE - open U12
Open SwissStandard
10 players participated in this 5-round tournament, held from 28 Feb 2026 to 01 Mar 2026 in Chalkida, Greece. Top 10 Elo average was 584, and top seed was Konstantinos Dimou (🇬🇷 GRE, 1494).
Vasileios Tsellos (🇬🇷 GRE, 1464) won with 4.5/5, ahead of Konstantinos Dimou (4.0) and Vasileios Seferlis (3.5). Tsellos won solo starting round 4.
Location
🇬🇷Chalkida, Greece
Dates
28 Feb 2026 → 01 Mar 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Federations · 1 represented
🇬🇷Greece×4
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsVasileios Tsellos led from R4; +0.5-point edge over the runner-up.
Co-leaders
5
2
2
1
1
R4–R5 · LEAD HELD
Vasileios Tsellos held the sole lead from R4 through R5 without losing it.
R3 · HEAD-TO-HEAD · WINNER VS 2ND
Vasileios Tsellos drew with Konstantinos Dimou (White).
R1–R5 · UNBEATEN
Vasileios Tsellos went unbeaten across 5 games (R1–R5).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Vasileios Tsellos | * | ½ | 1 | 1 |
| 2Konstantinos Dimou | ½ | * | ½ | 1 |
| 3Vasileios Seferlis | 0 | ½ | * | — |
| 4FIDE 42174490 | 0 | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Tsellos, Vasileios | 1464 | GRE | +4B | +3N | =2B | +5N | +6B | 4.5 | 13.5 | 15.5 | 13.50 | 1665 | +24.4 |
| 2 | Dimou, Konstantinos | 1494 | GRE | +5N | +7B | =1N | =3B | +4N | 4.0 | 14.0 | 16.0 | 12.00 | 1562 | +8.8 |
| 3 | Seferlis, Vasileios | 1442 | GRE | +8N | −1B | +6N | =2N | +7B | 3.5 | 12.5 | 14.5 | 8.00 | 1458 | +3.2 |
| 4 | FIDE 42174490 | 0 | — | −1N | +6B | +7N | +9B | −2B | 3.0 | 12.5 | 13.5 | 5.00 | 1333 | 0.0 |
| 5 | FIDE 42155347 | 0 | — | −2B | +9N | +8B | −1B | +10N | 3.0 | 11.5 | 11.5 | 3.00 | 668 | 0.0 |
| 6 | FIDE 541010760 | 0 | — | +10B | −4N | −3B | +8N | −1N | 2.0 | 13.0 | 13.0 | 2.00 | 637 | 0.0 |
| 7 | Koloutsos, Spyridon | 1438 | GRE | +9B | −2N | −4B | +10N | −3N | 2.0 | 11.5 | 11.5 | 1.00 | 672 | -36.4 |
| 8 | FIDE 42192765 | 0 | — | −3B | +10N | −5N | −6B | +9N | 2.0 | 9.5 | 9.5 | 1.00 | 640 | 0.0 |
| 9 | FIDE 541025741 | 0 | — | −7N | −5B | +10B | −4N | −8B | 1.0 | 10.0 | 10.0 | 0.00 | 638 | 0.0 |
| 10 | FIDE 541025733 | 0 | — | −6N | −8B | −9N | −7B | −5B | 0.0 | 9.0 | 10.0 | 0.00 | 638 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Tsellos, VasileiosGRE+24.44.5 pts · #3
- 2Dimou, KonstantinosGRE+8.84.0 pts · #1
- 3Seferlis, VasileiosGRE+3.23.5 pts · #2
Top rating losers
- 1Koloutsos, SpyridonGRE-36.42.0 pts · #7
- 2FIDE 421744900.03.0 pts · #4
- 3FIDE 421553470.03.0 pts · #9