Autumn Open Chess Championship O.F.I.S 2025 1-5
14 players participated in this 4-round tournament, held from 30 Oct 2025 to 27 Nov 2025 in Nicosia, Cyprus. 2 federations represented. Top 10 Elo average was 773, and top seed was Ionut Uliniuc (🇨🇾 CYP, 1675).
Ioannis Odysseos (🇨🇾 CYP, 1608) won with 3.0/4, ahead of Marios Dimitriou (3.0) and Dimitris Matheopoulos (3.0). Odysseos shared the lead from round 1, winning on tie-break.
The biggest upset came in round 4: Christoforos Zacharopoullos (1487) beat Ioannis Odysseos (1608), a +121-point gap.
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How it unfolded
Top 6 · 4 roundsTight race until R4; 4 players tied at 3.0/4, decided on Buchholz. Title race narrowed from 4 co-leaders at R4 to 4 at the finish.
4 players finish on 3.0/4. Odysseos takes the title on Buchholz Cut1 (7.0).
Marios Dimitriou 3 wins (R2–R4)Ioannis Odysseos 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Marios Dimitriou | * | — | — | — |
| 2Georgios Agridiotis | — | * | — | — |
| 3Ioannis Odysseos | — | — | * | 1 |
| 4Dimitris Matheopoulos | — | — | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Odysseos, Ioannis | 1608 | CYP | +14B | +5N | +3B | −6N | 3.0 | 7.0 | 7.0 | 5.00 | 687 | -13.4 |
| 2 | Dimitriou, Marios | 1617 | CYP | F | +8N | +11B | +10N | 3.0 | 3.5 | 3.5 | 3.50 | 2310 | +14.4 |
| 3 | Matheopoulos,Dimitris | 0 | CYP | +?N | +?B | −1N | +?B | 3.0 | 3.0 | 3.0 | 0.00 | 810 | 0.0 |
| 4 | Agridiotis, Georgios | 0 | CYP | =9N | =?B | +?N | +14B | 3.0 | 1.5 | 1.5 | 0.75 | 1613 | 0.0 |
| 5 | FIDE 5914469 | 0 | — | +7N | −1B | F | +?B | 2.0 | 6.0 | 6.0 | 2.00 | 810 | 0.0 |
| 6 | Zacharopoullos, Christoforos | 1487 | CYP | F | +13N | F | +1B | 2.0 | 3.5 | 3.5 | 3.50 | 2410 | +13.4 |
| 7 | Georgiou, Andreas | 0 | CYP | −5B | −?N | +?B | +8N | 2.0 | 3.5 | 3.5 | 1.50 | 1458 | 0.0 |
| 8 | Savvidou, Maria | 1438 | CYP | =12N | −2B | +13N | −7B | 1.5 | 5.5 | 6.0 | 0.75 | 817 | -10.8 |
| 9 | Pozotos,Aimilianos | 0 | CYP | =4B | F | +12N | −?N | 1.5 | 3.5 | 3.5 | 2.00 | 813 | 0.0 |
| 10 | Argiroudi, Eleni | 0 | GRE | +?B | −?N | F | −2B | 1.0 | 5.0 | 5.0 | 0.00 | 846 | 0.0 |
| 11 | Georgiou, Stelios | 1583 | CYP | F | +12B | −2N | F | 1.0 | 3.5 | 3.5 | 0.50 | 817 | -18.0 |
| 12 | Leontidou, Tina | 0 | CYP | =8B | −11N | −9B | F | 0.5 | 4.0 | 4.0 | 0.75 | 1317 | 0.0 |
| 13 | FIDE 5914388 | 0 | — | =?N | −6B | −8B | F | 0.5 | 3.5 | 3.5 | 0.00 | 663 | 0.0 |
| 14 | FIDE 5914515 | 0 | — | −1N | F | F | −4N | 0.0 | 7.5 | 7.5 | 0.00 | 810 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Dimitriou, MariosCYP+14.43.0 pts · #1
- 2Zacharopoullos, ChristoforosCYP+13.42.0 pts · #2
- 3Argiroudi, EleniGRE0.01.0 pts · #7
- 1Georgiou, SteliosCYP-18.01.0 pts · #12
- 2Odysseos, IoannisCYP-13.43.0 pts · #6
- 3Savvidou, MariaCYP-10.81.5 pts · #8
- R4+121 Elo gap