5th open SAS Koropiou Mar 2026
35 players participated in this 6-round tournament, held from 08 Mar 2026 to 03 May 2026 in Koropi, Greece. Top 10 Elo average was 1605, and top seed was Sotirios Diamantidis (🇬🇷 GRE, 1821).
Sotirios Diamantidis (🇬🇷 GRE, 1821) won with 6.0/6, ahead of Theodoros Diamantidis (5.0) and Stamatios Diamantidis (4.5). Diamantidis won solo starting round 4.
The biggest upset came in round 3: Emmanouil Mitropoulos (1586) beat Spyridon Vasilaras (1814), a +228-point gap.
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How it unfolded
Top 6 · 6 roundsSotirios Diamantidis led from R4; +1.0-point edge over the runner-up.
Sotirios Diamantidis never relinquished the lead after R4; final gap +1.0 over the runner-up.
Sotirios Diamantidis beat Theodoros Diamantidis (White).
Sotirios Diamantidis 6 wins (R1–R6)Theodoros Diamantidis 3 wins (R4–R6)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Sotirios Diamantidis | * | 1 | 1 | — |
| 2Theodoros Diamantidis | 0 | * | — | — |
| 3Stamatios Diamantidis | 0 | — | * | — |
| 4Athanasios Vallianos | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Diamantidis, Sotirios | 1821 | GRE | +25B | +7N | +2B | +11N | +3B | +13N | 6.0 | 19.0 | 21.0 | 21.00 | 2407 | +37.2 |
| 2 | Diamantidis, Theodoros | 1553 | GRE | +34N | +18B | −1N | +16B | +12N | +11B | 5.0 | 17.0 | 17.0 | 11.00 | 1752 | +31.2 |
| 3 | Diamantidis, Stamatios | 1728 | GRE | +29B | +14N | =4B | +5N | −1N | +20B | 4.5 | 19.0 | 20.0 | 12.00 | 1734 | +4.0 |
| 4 | Giannadakis, Panteleimon | 1501 | GRE | +21N | +15B | =3N | =8B | +9N | F | 4.0 | 16.5 | 16.5 | 12.50 | 1657 | +16.4 |
| 5 | Vasilaras, Spyridon | 1814 | GRE | +27N | +9B | −8N | −3B | +21N | +19B | 4.0 | 15.5 | 17.0 | 9.00 | 857 | -56.4 |
| 6 | Vallianos, Athanasios | 1422 | GRE | +32N | F | +31B | −13N | +35B | +12B | 4.0 | 8.0 | 8.0 | 5.00 | 1504 | +9.2 |
| 7 | Davaris, Stamatis | 0 | GRE | +26N | −1B | +?N | +14B | −11B | =10N | 3.5 | 17.5 | 17.5 | 6.75 | 911 | 0.0 |
| 8 | Mitropoulos, Emmanouil | 1586 | GRE | +23B | +17N | +5B | =4N | F | F | 3.5 | 15.5 | 15.5 | 10.50 | 1851 | +26.8 |
| 9 | Pipelias, Nikolaos | 0 | GRE | +?B | −5N | +29B | +24N | −4B | =15N | 3.5 | 14.0 | 14.0 | 4.50 | 858 | 0.0 |
| 10 | FIDE 42188750 | 0 | — | +30B | −11N | +?B | +17N | F | =7B | 3.5 | 10.0 | 10.0 | 5.25 | 801 | 0.0 |
| 11 | Kalogeropoulos, Konstantinos | 1613 | GRE | F | +10B | +12N | −1B | +7N | −2N | 3.0 | 21.0 | 21.0 | 10.00 | 1486 | -19.2 |
| 12 | Barmparosos, Stamatios | 1460 | GRE | +22B | +24N | −11B | +19N | −2B | −6N | 3.0 | 16.0 | 18.0 | 6.00 | 724 | -50.0 |
| 13 | Petrakis, Nikolaos Em | 1548 | GRE | +33B | F | +20N | +6B | F | −1B | 3.0 | 15.5 | 15.5 | 6.00 | 1678 | +19.6 |
| 14 | Rasoulis, Ioannis | 0 | GRE | +?B | −3B | +18N | −7N | −15B | +17N | 3.0 | 15.5 | 15.5 | 4.50 | 928 | 0.0 |
| 15 | Stefanidis, Stefanos | 0 | GRE | +19B | −4N | =17B | F | +14N | =9B | 3.0 | 15.0 | 15.0 | 8.00 | 702 | 0.0 |
| 16 | Rasoulis, Emmanouil | 0 | GRE | −18N | F | +23B | −2N | +?B | +22N | 3.0 | 11.0 | 11.0 | 4.00 | 751 | 0.0 |
| 17 | Kalogeropoulou, Erato Vlasia | 0 | GRE | +?N | −8B | =15N | −10B | +27N | −14B | 2.5 | 14.5 | 14.5 | 3.00 | 786 | 0.0 |
| 18 | FIDE 541028066 | 0 | — | +16B | −2N | −14B | +23N | F | F | 2.0 | 15.0 | 16.0 | 5.00 | 751 | 0.0 |
| 19 | Papadiotis, Antonios Theodoros | 0 | GRE | −15N | +21B | +30N | −12B | F | −5N | 2.0 | 14.0 | 15.0 | 3.00 | 837 | 0.0 |
| 20 | Kanakis, Theodoros | 1418 | GRE | +28B | +35N | −13B | F | F | −3N | 2.0 | 11.0 | 11.0 | 1.50 | 838 | -18.8 |
| 21 | FIDE 541028031 | 0 | — | −4B | −19N | +?B | +?N | −5B | −?N | 2.0 | 10.0 | 10.0 | 0.00 | 858 | 0.0 |
| 22 | Karagiannis, Ioannis M | 0 | GRE | −12N | +?B | F | +31N | F | −16B | 2.0 | 9.0 | 9.0 | 1.00 | 660 | 0.0 |
| 23 | FIDE 541027990 | 0 | — | −8N | +?B | −16N | −18B | F | +?B | 2.0 | 8.5 | 8.5 | 0.00 | 786 | 0.0 |
| 24 | FIDE 541009444 | 0 | — | +?N | −12B | F | −9B | F | +?N | 2.0 | 8.0 | 8.0 | 0.00 | 1456 | 0.0 |
| 25 | Dalakouras, Georgios | 0 | GRE | −1N | +32B | +?N | F | F | F | 2.0 | 7.0 | 7.0 | 1.00 | 1636 | 0.0 |
| 26 | FIDE 541028040 | 0 | — | −7B | −29N | F | −?B | +?N | +30B | 2.0 | 5.5 | 5.5 | 1.00 | 651 | 0.0 |
| 27 | FIDE 541027973 | 0 | — | −5B | =28N | F | +33N | −17B | F | 1.5 | 11.0 | 11.0 | 0.75 | 1014 | 0.0 |
| 28 | FIDE 541019890 | 0 | — | −20N | =27B | −?N | −?B | +34B | F | 1.5 | 3.5 | 3.5 | 0.75 | 619 | 0.0 |
| 29 | FIDE 541027981 | 0 | — | −3N | +26B | −9N | F | F | F | 1.0 | 13.0 | 13.0 | 2.00 | 928 | 0.0 |
| 30 | FIDE 541012690 | 0 | — | −10N | F | −19B | +32N | −?B | −26N | 1.0 | 8.5 | 8.5 | 1.00 | 651 | 0.0 |
| 31 | FIDE 541028007 | 0 | — | F | +?B | −6N | −22B | F | F | 1.0 | 8.5 | 8.5 | 0.00 | 620 | 0.0 |
| 32 | Kechagias, Iason Lykourgos | 0 | GRE | −6B | −25N | +34N | −30B | F | F | 1.0 | 7.0 | 7.0 | 0.00 | 620 | 0.0 |
| 33 | FIDE 541028023 | 0 | — | −13N | F | F | −27B | F | −?B | 0.0 | 9.5 | 9.5 | 0.00 | 748 | 0.0 |
| 34 | FIDE 541028015 | 0 | — | −2B | −?N | −32B | F | −28N | F | 0.0 | 7.5 | 7.5 | 0.00 | 751 | 0.0 |
| 35 | FIDE 42184045 | 0 | — | F | −20B | F | F | −6N | F | 0.0 | 7.0 | 7.0 | 0.00 | 620 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Diamantidis, SotiriosGRE+37.26.0 pts · #1
- 2Diamantidis, TheodorosGRE+31.25.0 pts · #4
- 3Mitropoulos, EmmanouilGRE+26.83.5 pts · #5
- 1Vasilaras, SpyridonGRE-56.44.0 pts · #27
- 2Barmparosos, StamatiosGRE-50.03.0 pts · #28
- 3Kalogeropoulos, KonstantinosGRE-19.23.0 pts · #6
- R3+228 Elo gap