Autumn Open Chess Championship O.F.I.S 2025 6-7
Open SwissStandard
13 players participated in this 7-round tournament, held from 04 Dec 2025 to 11 Dec 2025 in Nicosia, Cyprus. 2 federations represented. Top 10 Elo average was 791, and top seed was Marios Dimitriou (🇨🇾 CYP, 1617).
Ioannis Odysseos (🇨🇾 CYP, 1608) won with 3.0/7, ahead of Marios Dimitriou (2.0) and Christoforos Zacharopoullos (2.0). Odysseos broke clear in the final round.
Location
🇨🇾Nicosia, Cyprus
Dates
04 Dec 2025 → 11 Dec 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Federations · 2 represented
🇨🇾Cyprus×9
🇬🇷Greece×2
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsIoannis Odysseos led from R7; +1.0-point edge over the runner-up. Title race converged from 20 co-leaders at R4 to 1 by R7.
Co-leaders
20
20
20
20
4
2
1
R7–R7 · LEAD HELD
Ioannis Odysseos never relinquished the lead after R7; final gap +1.0 over the runner-up.
R5–R7 · WIN STREAK
Ioannis Odysseos won 3 in a row (R5–R7).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Ioannis Odysseos | * | — | 1 | — |
| 2Eleni Argiroudi | — | * | — | — |
| 3Marios Dimitriou | 0 | — | * | — |
| 4Andreas Georgiou | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Odysseos, Ioannis | 1608 | CYP | F | F | F | F | +12B | +2N | +10B | 3.0 | 3.0 | 3.0 | 3.00 | 2446 | +22.8 |
| 2 | Dimitriou, Marios | 1617 | CYP | F | F | F | F | +3B | −1B | +8N | 2.0 | 6.0 | 6.0 | 3.00 | 1549 | -4.6 |
| 3 | Zacharopoullos, Christoforos | 1487 | CYP | F | F | F | F | −2N | +8N | +11B | 2.0 | 3.5 | 3.5 | 1.50 | 831 | -6.4 |
| 4 | Argiroudi, Eleni | 0 | GRE | F | F | F | F | =7N | =9B | +12N | 2.0 | 2.5 | 2.5 | 1.25 | 1737 | +26.8 |
| 5 | Georgiou, Andreas | 0 | CYP | F | F | F | F | +?N | +12B | F | 2.0 | 0.0 | 0.0 | 0.00 | 1681 | 0.0 |
| 6 | FIDE 5914507 | 0 | — | F | F | F | F | =?B | +13N | =?N | 2.0 | 0.0 | 0.0 | 0.00 | 1565 | 0.0 |
| 7 | Georgiou, Stelios | 1583 | CYP | F | F | F | F | =4B | =11N | =9B | 1.5 | 3.5 | 3.5 | 1.75 | 1593 | +3.2 |
| 8 | Matheopoulos,Dimitris | 0 | CYP | F | F | F | F | +9N | −3B | −2B | 1.0 | 5.0 | 5.0 | 1.00 | 1456 | 0.0 |
| 9 | Zacharoplastis, Pambos | 1614 | CYP | F | F | F | F | −8B | =4N | =7N | 1.0 | 4.5 | 4.5 | 1.75 | 1568 | -2.6 |
| 10 | Pozotos,Aimilianos | 0 | CYP | F | F | F | F | F | +?B | −1N | 1.0 | 3.0 | 3.0 | 0.00 | 1512 | 0.0 |
| 11 | Tzoukas, Ilias | 0 | GRE | F | F | F | F | F | =7B | −3N | 0.5 | 3.5 | 3.5 | 0.75 | 1339 | 0.0 |
| 12 | Agridiotis, Georgios | 0 | CYP | F | F | F | F | −1N | −5N | −4B | 0.0 | 7.0 | 7.0 | 0.00 | 785 | -48.4 |
| 13 | FIDE 5914540 | 0 | — | F | F | F | F | F | −6B | −?N | 0.0 | 2.0 | 2.0 | 0.00 | 765 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Argiroudi, EleniGRE+26.82.0 pts · #1
- 2Odysseos, IoannisCYP+22.83.0 pts · #2
- 3Georgiou, SteliosCYP+3.21.5 pts · #6
Top rating losers
- 1Agridiotis, GeorgiosCYP-48.40.0 pts · #13
- 2Zacharopoullos, ChristoforosCYP-6.42.0 pts · #11
- 3Dimitriou, MariosCYP-4.62.0 pts · #4