Summer youth tournament SON Filadelfeias 25-100
Open SwissStandard
13 players participated in this 5-round tournament, held from 16 Jun 2025 to 20 Jun 2025 in N Filadelfeia, Greece. Top 10 Elo average was 0.
Filippos Borisov (🇬🇷 GRE, 0) won with 4.5/5, ahead of Georgios Seretakis (4.5) and Nikolaos Doukas (3.0). Borisov shared the lead from round 1, winning on tie-break.
Location
🇬🇷N Filadelfeia, Greece
Dates
16 Jun 2025 → 20 Jun 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Avg top 10
0
Participants
13
Federations · 1 represented
🇬🇷Greece×10
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsTight race until R5; 2 players tied at 4.5/5, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.
Co-leaders
6
4
2
2
2
R5 · TIEBREAK CLUSTER
2 players finish on 4.5/5. Borisov takes the title on Buchholz Cut1 (13.0).
R4 · HEAD-TO-HEAD · WINNER VS 2ND
Filippos Borisov drew with Georgios Seretakis (White).
WIN STREAKS · 2 top finishers
Filippos Borisov 3 wins (R1–R3)Georgios Seretakis 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Filippos Borisov | * | ½ | 1 | 1 |
| 2Georgios Seretakis | ½ | * | — | 1 |
| 3Alexandros Maragkos | 0 | — | * | — |
| 4Nikolaos Doukas | 0 | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Borisov, Filippos | 0 | GRE | +12N | +3B | +4N | =2B | +6N | 4.5 | 13.0 | 13.0 | 10.75 | 1836 | +38.0 |
| 2 | Seretakis, Georgios | 0 | GRE | +13B | +11N | +8B | =1N | +3B | 4.5 | 10.5 | 10.5 | 8.25 | 1838 | +41.2 |
| 3 | Doukas, Nikolaos | 0 | GRE | +5B | −1N | +11B | +8N | −2N | 3.0 | 13.5 | 14.5 | 5.50 | 1352 | -54.8 |
| 4 | Maragkos, Alexandros | 0 | GRE | +10B | +9N | −1B | −5N | +8B | 3.0 | 11.0 | 12.5 | 5.50 | 1365 | -29.2 |
| 5 | Eltachir, Ektoras | 0 | GRE | −3N | +12B | =6N | +4B | F | 2.5 | 10.5 | 10.5 | 4.25 | 1629 | +20.8 |
| 6 | Charalampidis, Vasileios Ch | 0 | GRE | −8B | +13N | =5B | +12N | −1B | 2.5 | 9.0 | 9.0 | 1.25 | 1306 | 0.0 |
| 7 | Vafias, Rafil Filippos | 0 | GRE | −9B | −8N | +13B | =11N | +12B | 2.5 | 5.0 | 5.0 | 0.50 | 674 | 0.0 |
| 8 | Triantafyllou, Ilias T | 0 | GRE | +6N | +7B | −2N | −3B | −4N | 2.0 | 13.0 | 15.5 | 5.00 | 763 | 0.0 |
| 9 | Gkioni, Michail | 0 | GRE | +7N | −4B | +10N | F | F | 2.0 | 9.5 | 9.5 | 4.00 | 744 | -16.0 |
| 10 | FIDE 541013514 | 0 | — | −4N | F | −9B | +13N | =11B | 1.5 | 6.0 | 6.0 | 0.50 | 709 | 0.0 |
| 11 | Chrysopoulos, Nikolaos | 0 | GRE | F | −2B | −3N | =7B | =10N | 1.0 | 11.5 | 11.5 | 2.00 | 773 | 0.0 |
| 12 | FIDE 42196280 | 0 | — | −1B | −5N | F | −6B | −7N | 0.0 | 12.0 | 12.0 | 0.00 | 699 | 0.0 |
| 13 | FIDE 541005678 | 0 | — | −2N | −6B | −7N | −10B | F | 0.0 | 11.0 | 11.0 | 0.00 | 633 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Seretakis, GeorgiosGRE+41.24.5 pts · #2
- 2Borisov, FilipposGRE+38.04.5 pts · #1
- 3Eltachir, EktorasGRE+20.82.5 pts · #5
Top rating losers
- 1Doukas, NikolaosGRE-54.83.0 pts · #4
- 2Maragkos, AlexandrosGRE-29.23.0 pts · #3
- 3Gkioni, MichailGRE-16.02.0 pts · #7