Open Chess Championship O.FI.S 2026 1-4
Open SwissStandard
14 players participated in this 4-round tournament, held from 04 May 2026 to 25 May 2026 in Nicosia, Cyprus. 2 federations represented. Top 10 Elo average was 802, and top seed was Konstantinos Bakos (🇬🇷 GRE, 1644).
Ioannis Odysseos (🇨🇾 CYP, 1629) won with 4.0/4, ahead of Christoforos Zacharopoullos (2.5) and Fotis Mylonas (2.5). Odysseos won solo starting round 2.
Location
🇨🇾Nicosia, Cyprus
Dates
04 May 2026 → 25 May 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 4 rounds
Federations · 2 represented
🇨🇾Cyprus×6
🇬🇷Greece×2
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 4 roundsIoannis Odysseos led from R2; +1.5-point edge over the runner-up.
Co-leaders
5
1
1
1
R2–R4 · LEAD HELD
Ioannis Odysseos never relinquished the lead after R2; final gap +1.5 over the runner-up.
R2 · HEAD-TO-HEAD · WINNER VS 2ND
Ioannis Odysseos beat FIDE 5914752 (Black).
R1–R4 · WIN STREAK
Ioannis Odysseos won 4 in a row (R1–R4).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Ioannis Odysseos | * | 1 | 1 | 1 |
| 2FIDE 5914752 | 0 | * | — | — |
| 3Christoforos Zacharopoullos | 0 | — | * | ½ |
| 4Fotis Mylonas | 0 | — | ½ | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Odysseos, Ioannis | 1629 | CYP | +13B | +4N | +2B | +3N | 4.0 | 7.5 | 7.5 | 7.50 | 2408 | +18.8 |
| 2 | Zacharopoullos, Christoforos | 1578 | CYP | +8B | =3B | −1N | +12N | 2.5 | 8.0 | 8.0 | 2.75 | 1441 | -7.0 |
| 3 | Mylonas, Fotis | 1638 | CYP | +7B | =2N | +12B | −1B | 2.5 | 8.0 | 8.0 | 2.75 | 1411 | -11.8 |
| 4 | FIDE 5914752 | 0 | — | +9N | −1B | +5N | =7B | 2.5 | 7.5 | 8.5 | 3.75 | 1581 | 0.0 |
| 5 | Leontidou, Tina | 1533 | CYP | +14B | −6N | −4B | +10N | 2.0 | 5.0 | 5.0 | 0.50 | 844 | -14.0 |
| 6 | Bakos, Konstantinos | 1644 | GRE | F | +5B | F | +11N | 2.0 | 2.5 | 2.5 | 2.50 | 2333 | +7.0 |
| 7 | FIDE 5914850 | 0 | — | −3N | +?B | F | =4N | 1.5 | 5.0 | 5.0 | 1.25 | 1579 | 0.0 |
| 8 | Nikolaides,Christakis | 0 | CYP | −2N | F | +10B | =?N | 1.5 | 4.0 | 4.0 | 0.50 | 1375 | 0.0 |
| 9 | FIDE 1090321 | 0 | — | −4B | F | F | +?N | 1.0 | 4.0 | 4.0 | 0.00 | 1591 | 0.0 |
| 10 | FIDE 5908574 | 0 | — | F | =?B | −8N | −5B | 0.5 | 3.5 | 3.5 | 0.00 | 1387 | 0.0 |
| 11 | FIDE 5914388 | 0 | — | F | =?N | F | −6B | 0.5 | 2.0 | 2.0 | 0.00 | 1408 | 0.0 |
| 12 | Kyriazis, Georgios | 0 | GRE | F | F | −3N | −2B | 0.0 | 5.0 | 5.0 | 0.00 | 808 | 0.0 |
| 13 | FIDE 537052772 | 0 | — | −1N | F | −?B | F | 0.0 | 4.0 | 4.0 | 0.00 | 793 | 0.0 |
| 14 | Savvidou, Maria | 0 | CYP | −5N | F | F | F | 0.0 | 2.0 | 2.0 | 0.00 | 733 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Odysseos, IoannisCYP+18.84.0 pts · #1
- 2Bakos, KonstantinosGRE+7.02.0 pts · #5
- 3FIDE 59085740.00.5 pts · #8
Top rating losers
- 1Leontidou, TinaCYP-14.02.0 pts · #12
- 2Mylonas, FotisCYP-11.82.5 pts · #10
- 3Zacharopoullos, ChristoforosCYP-7.02.5 pts · #6