ACC Sirius open U2000 Mar 2026
Open SwissStandard
16 players participated in this 5-round tournament, held from 08 Mar 2026 to 05 Apr 2026 in Petroupoli, Greece. Top 10 Elo average was 1744, and top seed was Fotis Kastis (🇬🇷 GRE, 1940).
Konstantinos Kesoglou (🇬🇷 GRE, 1863) won with 4.5/5, ahead of Fotis Kastis (4.0) and Pavlos Chatzimarinakis (3.5). Kesoglou won solo starting round 3.
The biggest upset came in round 5: Markella Papasotiriou (1468) beat Anastasios Kratidis (1728), a +260-point gap.
Location
🇬🇷Petroupoli, Greece
Dates
08 Mar 2026 → 05 Apr 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Federations · 1 represented
🇬🇷Greece×16
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsKonstantinos Kesoglou led from R3; +0.5-point edge over the runner-up.
Co-leaders
6
3
1
1
1
R3–R5 · LEAD HELD
Konstantinos Kesoglou held the sole lead from R3 through R5 without losing it.
R3 · HEAD-TO-HEAD · WINNER VS 2ND
Konstantinos Kesoglou beat Fotis Kastis (Black).
R1–R3 · WIN STREAK
Konstantinos Kesoglou won 3 in a row (R1–R3).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Konstantinos Kesoglou | * | 1 | — | 1 |
| 2Fotis Kastis | 0 | * | — | — |
| 3Pavlos Chatzimarinakis | — | — | * | — |
| 4Evangelos Tsourapas | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Kesoglou, Konstantinos | 1863 | GRE | +15N | +14B | +2N | =4B | +5N | 4.5 | 11.0 | 12.0 | 10.50 | 2088 | +10.4 |
| 2 | Kastis, Fotis | 1940 | GRE | +12B | +6N | −1B | +8N | +4B | 4.0 | 12.0 | 13.5 | 9.00 | 1982 | +6.6 |
| 3 | Chatzimarinakis, Pavlos | 0 | GRE | =9N | =11B | +14N | =6N | +13B | 3.5 | 7.0 | 8.0 | 5.25 | 1825 | +13.2 |
| 4 | Mastoras, Ilias I. | 1791 | GRE | +10B | +5N | =11B | =1N | −2N | 3.0 | 13.0 | 14.5 | 7.50 | 1795 | +1.6 |
| 5 | Tsourapas, Evangelos | 0 | GRE | +7N | −4B | +9N | +10B | −1B | 3.0 | 11.5 | 13.0 | 5.50 | 1784 | -2.8 |
| 6 | Pavlis, Antonios | 1738 | GRE | +16N | −2B | +7N | =3B | F | 2.5 | 12.0 | 12.5 | 4.75 | 1792 | +5.4 |
| 7 | Bitzios, Dimitrios | 1658 | GRE | −5B | +12N | −6B | =9B | +10N | 2.5 | 8.5 | 10.0 | 3.75 | 1682 | +3.0 |
| 8 | Kapagiannidis, Konstantinos | 1668 | GRE | =11N | =9B | +15N | −2B | F | 2.0 | 9.5 | 10.5 | 2.50 | 1735 | +5.6 |
| 9 | Kratidis, Anastasios | 1728 | GRE | =3B | =8N | −5B | =7N | −12B | 1.5 | 11.0 | 12.5 | 4.00 | 1473 | -15.6 |
| 10 | Tzannis, Panayotis | 1483 | GRE | −4N | =13B | +12N | −5N | −7B | 1.5 | 10.0 | 11.5 | 2.25 | 1511 | +2.4 |
| 11 | El Champasi, Omar | 1798 | GRE | =8B | =3N | =4N | F | F | 1.5 | 10.0 | 11.0 | 4.25 | 1734 | -3.4 |
| 12 | Papasotiriou, Markella | 1468 | GRE | −2N | −7B | −10B | =16N | +9N | 1.5 | 9.5 | 10.0 | 1.75 | 1465 | -4.4 |
| 13 | Georgopoulos, Georgios 13854 | 0 | GRE | −14B | =10N | +16B | F | −3N | 1.5 | 7.5 | 8.0 | 1.25 | 1534 | -8.0 |
| 14 | Galerakis, Panagiotis Spyridon | 1716 | GRE | +13N | −1N | −3B | F | F | 1.0 | 10.5 | 11.0 | 1.50 | 1162 | -8.0 |
| 15 | Rafeletos, Apostolis | 1535 | GRE | −1B | +16N | −8B | F | F | 1.0 | 9.0 | 9.5 | 0.50 | 1547 | -1.4 |
| 16 | Charalampopoulos, Panagiotis | 1403 | GRE | −6B | −15B | −13N | =12B | F | 0.5 | 6.5 | 7.5 | 0.75 | 1305 | -7.2 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Chatzimarinakis, PavlosGRE+13.23.5 pts · #5
- 2Kesoglou, KonstantinosGRE+10.44.5 pts · #2
- 3Kastis, FotisGRE+6.64.0 pts · #1
Top rating losers
- 1Kratidis, AnastasiosGRE-15.61.5 pts · #13
- 2Georgopoulos, Georgios 13854GRE-8.01.5 pts · #10
- 3Galerakis, Panagiotis SpyridonGRE-8.01.0 pts · #16
Biggest upsets
- R5+260 Elo gap