28th Standard Tournament 2026, by OPAX
11 players participated in this 6-round tournament, held from 08 May 2026 to 22 May 2026 in Cholargos, Greece. Top 10 Elo average was 1548, and top seed was Spyridon Kakos (🇬🇷 GRE, 1749).
Georgios Kolliopoulos (🇬🇷 GRE, 1647) won with 5.0/6, ahead of Antonios Maratos (4.5) and Konstantinos Nikolakis (4.0). Kolliopoulos won solo starting round 2.
The biggest upset came in round 6: Konstantinos Nikolakis (1446) beat Georgios Kolliopoulos (1647), a +201-point gap.
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How it unfolded
Top 6 · 6 roundsGeorgios Kolliopoulos led from R2; +0.5-point edge over the runner-up.
Georgios Kolliopoulos held the sole lead from R2 through R6 without losing it.
Georgios Kolliopoulos beat Antonios Maratos (Black).
Georgios Kolliopoulos 5 wins (R1–R5)Antonios Maratos 3 wins (R4–R6)Konstantinos Nikolakis 3 wins (R4–R6)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Georgios Kolliopoulos | * | 1 | 0 | — |
| 2Antonios Maratos | 0 | * | — | 1 |
| 3Konstantinos Nikolakis | 1 | — | * | 1 |
| 4Vasilis Kolliopoulos | — | 0 | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Kolliopoulos, Georgios | 1647 | GRE | +10N | +5B | +2N | +7B | +6N | −3B | 5.0 | 16.5 | 16.5 | 12.50 | 1844 | +56.4 |
| 2 | Maratos, Antonios | 1612 | GRE | +9B | =6N | −1B | +4N | +5N | +7B | 4.5 | 16.5 | 17.5 | 11.00 | 1763 | +20.2 |
| 3 | Nikolakis, Konstantinos | 1446 | GRE | −5N | +4B | −7N | +10N | +9B | +1N | 4.0 | 14.5 | 14.5 | 9.50 | 1624 | +24.0 |
| 4 | Kolliopoulos, Vasilis | 1495 | GRE | =6B | −3N | +10B | −2B | +11N | +5B | 3.5 | 14.5 | 14.5 | 4.50 | 1619 | +39.6 |
| 5 | Biris, Panagiotis | 1655 | GRE | +3B | −1N | +8B | +6N | −2B | −4N | 3.0 | 20.0 | 22.0 | 9.00 | 1566 | -27.6 |
| 6 | Kakos, Spyridon | 1749 | GRE | =4N | =2B | +11N | −5B | −1B | +9N | 3.0 | 17.0 | 17.0 | 5.00 | 1503 | -32.0 |
| 7 | Liatsis, Theodoros | 1523 | GRE | F | F | +3B | −1N | +8B | −2N | 2.0 | 15.5 | 15.5 | 6.00 | 1538 | +1.4 |
| 8 | Cenaj, Oltian | 1446 | GRE | F | F | −5N | +11B | −7N | +10B | 2.0 | 5.0 | 5.0 | 0.00 | 1521 | +16.0 |
| 9 | Andreou, Antonios | 0 | GRE | −2N | +10B | F | F | −3N | −6B | 1.0 | 11.5 | 11.5 | 0.00 | 1369 | 0.0 |
| 10 | Merkouris, Spyridon K | 1441 | GRE | −1B | −9N | −4N | −3B | F | −8N | 0.0 | 15.5 | 15.5 | 0.00 | 709 | -65.6 |
| 11 | Osmani, Sokol | 1466 | GRE | F | F | −6B | −8N | −4B | F | 0.0 | 8.5 | 8.5 | 0.00 | 763 | -23.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Kolliopoulos, GeorgiosGRE+56.45.0 pts · #1
- 2Kolliopoulos, VasilisGRE+39.63.5 pts · #3
- 3Nikolakis, KonstantinosGRE+24.04.0 pts · #4
- 1Merkouris, Spyridon KGRE-65.60.0 pts · #11
- 2Kakos, SpyridonGRE-32.03.0 pts · #8
- 3Biris, PanagiotisGRE-27.63.0 pts · #5
- R6+201 Elo gap
- R6+160 Elo gap
- R5+102 Elo gap