ACC Sirius open U2000 Feb 2026
11 players participated in this 5-round tournament, held from 31 Jan 2026 to 01 Mar 2026 in Petroupoli, Greece. Top 10 Elo average was 1029, and top seed was Konstantinos Kesoglou (🇬🇷 GRE, 1905).
Konstantinos Kesoglou (🇬🇷 GRE, 1905) won with 4.5/5, ahead of Evangelos Tsourapas (3.5) and Konstantinos Kapagiannidis (3.0). Kesoglou took the lead from round 4.
The biggest upset came in round 1: Apostolis Rafeletos (1516) beat Ilias I. Mastoras (1821), a +305-point gap.
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How it unfolded
Top 6 · 5 roundsKonstantinos Kesoglou led from R4; +1.0-point edge over the runner-up.
Konstantinos Kesoglou takes the sole lead (3.5/4).
Konstantinos Kesoglou beat Evangelos Tsourapas (Black).
Konstantinos Kesoglou 4 wins (R2–R5)Evangelos Tsourapas 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Konstantinos Kesoglou | * | 1 | 1 | 1 |
| 2Evangelos Tsourapas | 0 | * | 1 | — |
| 3Konstantinos Kapagiannidis | 0 | 0 | * | — |
| 4Ilias I. Mastoras | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Kesoglou, Konstantinos | 1905 | GRE | =6N | +4B | +9B | +2N | +3N | 4.5 | 11.5 | 12.5 | 11.50 | 1992 | +1.6 |
| 2 | Tsourapas, Evangelos | 0 | GRE | +5B | +7N | +3B | −1B | =6N | 3.5 | 11.5 | 13.0 | 7.50 | 1757 | 0.0 |
| 3 | Kapagiannidis, Konstantinos | 1672 | GRE | +8N | +10B | −2N | +5N | −1B | 3.0 | 11.5 | 12.5 | 4.50 | 1853 | +13.0 |
| 4 | Mastoras, Ilias I. | 1821 | GRE | −7B | −1N | +8B | +9N | +5B | 3.0 | 9.5 | 10.5 | 4.50 | 1615 | -13.4 |
| 5 | Pavlis, Antonios | 1716 | GRE | −2N | +8B | +10N | −3B | −4N | 2.0 | 11.0 | 12.0 | 2.50 | 1525 | -16.0 |
| 6 | Kratidis, Anastasios | 1660 | GRE | =1B | −9N | +7B | F | =2B | 2.0 | 10.5 | 11.5 | 5.50 | 1936 | +12.4 |
| 7 | Rafeletos, Apostolis | 1516 | GRE | +4N | −2B | −6N | =8N | F | 1.5 | 10.0 | 11.0 | 3.75 | 1737 | +22.0 |
| 8 | Georgopoulos, Georgios 13854 | 0 | GRE | −3B | −5N | −4N | =7B | +10N | 1.5 | 9.5 | 10.5 | 1.75 | 1491 | 0.0 |
| 9 | Chatzimarinakis, Pavlos | 0 | GRE | F | +6B | −1N | −4B | F | 1.0 | 11.0 | 11.0 | 2.00 | 1689 | 0.0 |
| 10 | Maras, Nikolaos | 0 | GRE | +11N | −3N | −5B | F | −8B | 1.0 | 8.5 | 8.5 | 0.00 | 909 | -17.2 |
| 11 | Giakoumis, Thyseas | 0 | GRE | −10B | F | F | F | F | 0.0 | 1.0 | 1.0 | 0.00 | 679 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Rafeletos, ApostolisGRE+22.01.5 pts · #8
- 2Kapagiannidis, KonstantinosGRE+13.03.0 pts · #3
- 3Kratidis, AnastasiosGRE+12.42.0 pts · #4
- 1Maras, NikolaosGRE-17.21.0 pts · #10
- 2Pavlis, AntoniosGRE-16.02.0 pts · #7
- 3Mastoras, Ilias I.GRE-13.43.0 pts · #9
- R1+305 Elo gap