4th open SAS Koropiou May 2025
Open SwissStandard
34 players participated in this 7-round tournament, held from 10 May 2025 to 01 Jun 2025 in Koropi, Greece. Top 10 Elo average was 1575, and top seed was Achilleas Spyropoulos Tsouderos (🇬🇷 GRE, 1629).
Stamatios Diamantidis (🇬🇷 GRE, 1611) won with 6.0/7, ahead of Charalampos Chionidis (5.5) and Achilleas Spyropoulos Tsouderos (5.5). Diamantidis won solo starting round 5.
Location
🇬🇷Koropi, Greece
Dates
10 May 2025 → 01 Jun 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Federations · 1 represented
🇬🇷Greece×22
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsStamatios Diamantidis led from R5; +0.5-point edge over the runner-up. Title race converged from 4 co-leaders at R4 to 1 by R5.
Co-leaders
16
6
8
4
1
1
1
R5–R7 · LEAD HELD
Stamatios Diamantidis held the sole lead from R5 through R7 without losing it.
R7 · HEAD-TO-HEAD · WINNER VS 2ND
Stamatios Diamantidis drew with Achilleas Spyropoulos Tsouderos (White).
R3–R6 · WIN STREAK
Stamatios Diamantidis won 4 in a row (R3–R6).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Stamatios Diamantidis | * | ½ | 1 | ½ |
| 2Achilleas Spyropoulos Tsouderos | ½ | * | — | ½ |
| 3Charalampos Chionidis | 0 | — | * | 1 |
| 4Theodoros Diamantidis | ½ | ½ | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Diamantidis, Stamatios | 1611 | GRE | +33B | =4N | +14B | +13N | +2B | +7N | =3B | 6.0 | 28.0 | 28.5 | 23.25 | 1768 | +32.4 |
| 2 | Chionidis, Charalampos | 1605 | GRE | +9N | +7B | =17N | +6B | −1N | +4B | +13N | 5.5 | 28.5 | 31.5 | 24.00 | 1658 | +12.0 |
| 3 | Spyropoulos Tsouderos, Achilleas | 1629 | GRE | +15N | +21B | =12N | +11B | =4N | +5B | =1N | 5.5 | 26.5 | 29.5 | 22.25 | 1732 | +30.8 |
| 4 | Diamantidis, Theodoros | 1515 | GRE | +32N | =1B | +22N | +12B | =3B | −2N | +16B | 5.0 | 27.0 | 28.0 | 16.75 | 1654 | +40.8 |
| 5 | Kalogeropoulos, Konstantinos | 0 | GRE | +20B | −12N | +26B | +14N | +18B | −3N | +15B | 5.0 | 22.0 | 24.0 | 15.00 | 1471 | +6.4 |
| 6 | Mitropoulos, Emmanouil | 1592 | GRE | +19B | =13N | +24B | −2N | +31B | +8N | =11B | 5.0 | 22.0 | 23.0 | 14.00 | 1408 | -19.2 |
| 7 | Barmparosos, Stamatios | 0 | GRE | +26B | −2N | +27B | +?N | +11N | −1B | +17N | 5.0 | 22.0 | 22.0 | 10.50 | 1589 | 0.0 |
| 8 | Rasoulis, Ioannis | 0 | GRE | +18N | −17B | F | +10N | +24B | −6B | +20N | 4.0 | 20.5 | 20.5 | 12.50 | 768 | 0.0 |
| 9 | FIDE 541007360 | 0 | — | −2B | +30N | −?B | +?N | +10B | −11N | +19B | 4.0 | 17.5 | 17.5 | 8.50 | 801 | 0.0 |
| 10 | FIDE 541002520 | 0 | — | −17N | +?B | +29N | −8B | −9N | +28B | +31N | 4.0 | 16.0 | 16.0 | 5.00 | 743 | 0.0 |
| 11 | Diamantidis, Sotirios | 1602 | GRE | F | +16N | +25B | −3N | −7B | +9B | =6N | 3.5 | 25.5 | 25.5 | 12.50 | 1567 | -5.6 |
| 12 | Spanos, Christos | 1595 | GRE | +28N | +5B | =3B | −4N | F | =20B | =14N | 3.5 | 24.0 | 24.0 | 13.00 | 1532 | -13.2 |
| 13 | Zyka. Bojken | 0 | GRE | +23N | =6B | +21N | −1B | F | +?N | −2B | 3.5 | 22.5 | 22.5 | 8.50 | 1487 | 0.0 |
| 14 | Vlachos, Georgios T | 1565 | GRE | +34N | +29B | −1N | −5B | F | +18N | =12B | 3.5 | 19.5 | 19.5 | 6.75 | 1272 | -43.2 |
| 15 | Keramidas, Nikolaos Apostolos | 0 | GRE | −3B | +32N | =20B | −18N | +26N | +?B | −5N | 3.5 | 19.5 | 19.5 | 4.50 | 729 | 0.0 |
| 16 | Zahariou, Konstantinos | 1478 | GRE | +27N | −11B | +23N | +25B | F | =17B | −4N | 3.5 | 19.0 | 19.0 | 9.00 | 1277 | -28.0 |
| 17 | Petrakis, Nikolaos Em | 1543 | GRE | +10B | +8N | =2B | F | F | =16N | −7B | 3.0 | 22.0 | 22.0 | 12.50 | 1539 | -0.4 |
| 18 | Rasoulis, Emmanouil | 0 | GRE | −8B | +19N | F | +15B | −5N | −14B | +26N | 3.0 | 21.0 | 21.0 | 8.50 | 697 | 0.0 |
| 19 | Kanakis, Theodoros | 0 | GRE | −6N | −18B | +34N | +23B | −21N | +27B | −9N | 3.0 | 20.0 | 20.0 | 5.00 | 743 | 0.0 |
| 20 | Psaras, Isidoros | 0 | GRE | −5N | +34B | =15N | +22B | F | =12N | −8B | 3.0 | 19.0 | 19.0 | 6.50 | 1319 | 0.0 |
| 21 | Priftis, Evangelos | 1492 | GRE | +30B | −3N | −13B | +27N | +19B | F | F | 3.0 | 18.0 | 18.0 | 6.50 | 829 | -12.8 |
| 22 | FIDE 42188822 | 0 | — | +31N | F | −4B | −20N | +30B | F | +25B | 3.0 | 13.0 | 13.0 | 5.00 | 706 | 0.0 |
| 23 | FIDE 541012682 | 0 | — | −13B | +?N | −16B | −19N | +32B | −31N | +33B | 3.0 | 12.5 | 12.5 | 1.50 | 678 | 0.0 |
| 24 | Stefanidis, Stefanos | 0 | GRE | F | +31B | −6N | +?B | −8N | =25N | F | 2.5 | 15.5 | 15.5 | 2.25 | 793 | 0.0 |
| 25 | Kalogeropoulou, Erato Vlasia | 0 | GRE | +?N | +?B | −11N | −16N | −?B | =24B | −22N | 2.5 | 12.5 | 12.5 | 1.25 | 740 | 0.0 |
| 26 | Papadiotis, Antonios Theodoros | 0 | GRE | −7N | +28B | −5N | F | −15B | +30N | −18B | 2.0 | 20.0 | 20.0 | 3.50 | 629 | 0.0 |
| 27 | FIDE 541009410 | 0 | — | −16B | +33N | −7N | −21B | F | −19N | +28B | 2.0 | 17.0 | 17.0 | 2.50 | 685 | 0.0 |
| 28 | FIDE 42156858 | 0 | — | −12B | −26N | −30B | +33N | +?B | −10N | −27N | 2.0 | 13.5 | 13.5 | 0.50 | 795 | 0.0 |
| 29 | FIDE 42184045 | 0 | — | F | −14N | −10B | =30N | −?N | =33B | +32N | 2.0 | 10.5 | 10.5 | 2.00 | 765 | 0.0 |
| 30 | FIDE 541012674 | 0 | — | −21N | −9B | +28N | =29B | −22N | −26B | F | 1.5 | 16.0 | 16.0 | 3.00 | 692 | 0.0 |
| 31 | FIDE 42188750 | 0 | — | −22B | −24N | F | F | −6N | +23B | −10B | 1.0 | 18.5 | 18.5 | 3.00 | 793 | 0.0 |
| 32 | FIDE 541012666 | 0 | — | −4B | −15B | F | +?N | −23N | F | −29B | 1.0 | 14.5 | 14.5 | 0.00 | 706 | 0.0 |
| 33 | FIDE 541003250 | 0 | — | −1N | −27B | F | −28B | F | =29N | −23N | 0.5 | 15.0 | 15.0 | 1.00 | 811 | 0.0 |
| 34 | FIDE 541012658 | 0 | — | −14B | −20N | −19B | F | F | F | F | 0.0 | 12.5 | 12.5 | 0.00 | 765 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Diamantidis, TheodorosGRE+40.85.0 pts · #3
- 2Diamantidis, StamatiosGRE+32.46.0 pts · #2
- 3Spyropoulos Tsouderos, AchilleasGRE+30.85.5 pts · #1
Top rating losers
- 1Vlachos, Georgios TGRE-43.23.5 pts · #14
- 2Zahariou, KonstantinosGRE-28.03.5 pts · #13
- 3Mitropoulos, EmmanouilGRE-19.25.0 pts · #11