Summer 2025 OAX June - A
15 players participated in this 5-round tournament, held from 23 Jun 2025 to 25 Jun 2025 in Chania, Greece. Top 10 Elo average was 1537, and top seed was Ioannis Kalligeris (🇬🇷 GRE, 1657).
Michail Megasthenis (🇬🇷 GRE, 1632) won with 4.5/5, ahead of Michail Em Christodoulakis (4.0) and Ioannis Kalligeris (3.5). Megasthenis broke clear in the final round.
The biggest upset came in round 5: Ioannis Filippoglou (1416) beat Paraskevas Nteneketzis (1610), a +194-point gap.
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How it unfolded
Top 6 · 5 roundsMichail Megasthenis led from R3; +0.5-point edge over the runner-up.
Michail Megasthenis held the sole lead from R3 through R5 without losing it.
Michail Megasthenis drew with Michail Em Christodoulakis (White).
Michail Megasthenis won 3 in a row (R1–R3).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Michail Megasthenis | * | ½ | — | 1 |
| 2Michail Em Christodoulakis | ½ | * | — | — |
| 3Marios Nomikos | — | — | * | — |
| 4Ioannis Kalligeris | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Megasthenis, Michail | 1632 | GRE | +10N | +7B | +5N | =2B | +3B | 4.5 | 13.0 | 15.0 | 13.00 | 1901 | +56.8 |
| 2 | Christodoulakis, Michail Em | 1610 | GRE | +9B | =13N | +7B | =1N | +6B | 4.0 | 11.5 | 12.0 | 9.50 | 1846 | +36.4 |
| 3 | Kalligeris, Ioannis | 1657 | GRE | +6B | =12N | +13B | +5B | −1N | 3.5 | 11.5 | 12.0 | 6.75 | 1643 | -1.9 |
| 4 | Nomikos, Marios | 0 | GRE | −12B | +9N | =6B | +13N | +11N | 3.5 | 8.0 | 8.5 | 5.75 | 1523 | 0.0 |
| 5 | Skoulas, Stavros | 1532 | GRE | +14N | +11B | −1B | −3N | +10N | 3.0 | 12.0 | 12.0 | 4.00 | 1548 | +10.8 |
| 6 | Antonakis, Lykourgos | 1431 | GRE | −3N | +8B | =4N | +10B | −2N | 2.5 | 13.5 | 15.5 | 6.25 | 1519 | +9.6 |
| 7 | Anastasopoulou, Stavroula | 1540 | GRE | +15B | −1N | −2N | =8B | +13B | 2.5 | 11.5 | 11.5 | 1.75 | 1275 | -35.6 |
| 8 | Filippoglou, Ioannis | 1416 | GRE | F | −6N | +9B | =7N | +12B | 2.5 | 8.5 | 8.5 | 4.75 | 1600 | +39.2 |
| 9 | Piagkalakis, Georgios | 1421 | GRE | −2N | −4B | −8N | +15B | +14B | 2.0 | 10.0 | 10.0 | 0.00 | 710 | -31.2 |
| 10 | Gkouvras, Konstantinos | 1426 | GRE | −1B | +15N | +14B | −6N | −5B | 2.0 | 10.0 | 10.0 | 0.00 | 730 | -39.6 |
| 11 | Sgourou, Terpsichori | 1512 | GRE | F | −5N | +15B | +14N | −4B | 2.0 | 6.5 | 6.5 | 0.00 | 695 | -20.8 |
| 12 | Nteneketzis, Paraskevas | 1610 | GRE | +4N | =3B | F | F | −8N | 1.5 | 9.5 | 9.5 | 5.25 | 1342 | -19.7 |
| 13 | Moutsakis, Vasileios | 0 | GRE | F | =2B | −3N | −4B | −7N | 0.5 | 13.5 | 13.5 | 2.00 | 1320 | 0.0 |
| 14 | FIDE 541007476 | 0 | — | −5B | F | −10N | −11B | −9N | 0.0 | 9.0 | 9.0 | 0.00 | 658 | 0.0 |
| 15 | Christodoulaki, Antonia Em | 0 | GRE | −7N | −10B | −11N | −9N | F | 0.0 | 8.5 | 8.5 | 0.00 | 665 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Megasthenis, MichailGRE+56.84.5 pts · #1
- 2Filippoglou, IoannisGRE+39.22.5 pts · #5
- 3Christodoulakis, Michail EmGRE+36.44.0 pts · #2
- 1Gkouvras, KonstantinosGRE-39.62.0 pts · #15
- 2Anastasopoulou, StavroulaGRE-35.62.5 pts · #8
- 3Piagkalakis, GeorgiosGRE-31.22.0 pts · #13
- R5+194 Elo gap