Kaissa Summer Chess Festival 2025 (Challengers)
15 players participated in this 7-round tournament, held from 03 Jul 2025 to 06 Jul 2025 in Nicosia, Cyprus. 2 titled players from 3 federations. Top 10 Elo average was 1829, and top seed was Rafail Antoniou (🇨🇾 CYP, FM, 2134).
Rafail Antoniou (🇨🇾 CYP, FM, 2134) won with 6.5/7, ahead of Vasilis Theocharous (5.5) and Huseyin Sertbay (5.0). Antoniou won solo starting round 5.
The biggest upset came in round 7: Vasilis Theocharous (1824) beat Bertug Ilgililer (1946), a +122-point gap.
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How it unfolded
Top 6 · 7 roundsFM Rafail Antoniou led from R5; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.
FM Rafail Antoniou never relinquished the lead after R5; final gap +1.0 over the runner-up.
FM Rafail Antoniou beat Vasilis Theocharous (White).
FM Rafail Antoniou 3+3 wins (R1–R3, R5–R7)Huseyin Sertbay 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1FMRafail Antoniou | * | 1 | ½ | 1 |
| 2Vasilis Theocharous | 0 | * | ½ | — |
| 3Huseyin Sertbay | ½ | ½ | * | 1 |
| 4WCMEleni Pica | 0 | — | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Antoniou, RafailFM | 2134 | CYP | +11N | +2B | +6N | =3B | +4N | +5B | +7N | 6.5 | 26.0 | 28.0 | 25.50 | 2260 | +28.8 |
| 2 | Theocharous, Vasilis | 1824 | CYP | +10B | −1N | +12N | +5B | =3N | +8N | +6B | 5.5 | 25.0 | 26.5 | 17.50 | 2086 | +44.0 |
| 3 | Sertbay, Huseyin | 2124 | TUR | +4B | +7N | +5B | =1N | =2B | +6B | F | 5.0 | 27.5 | 27.5 | 21.50 | 2126 | +4.0 |
| 4 | Pica, EleniWCM | 1688 | CYP | −3N | =13B | +15N | +12B | −1B | +10N | +11B | 4.5 | 19.0 | 19.0 | 6.75 | 1864 | +48.2 |
| 5 | Hadjiyiannis, Costas | 1673 | CYP | +8N | +15B | −3N | −2N | +7B | −1N | +10B | 4.0 | 25.5 | 25.5 | 8.50 | 1849 | +32.4 |
| 6 | Ilgililer, Bertug | 1946 | TUR | +14N | +12B | −1B | +7N | +11B | −3N | −2N | 4.0 | 23.5 | 24.5 | 7.50 | 1895 | -15.6 |
| 7 | Skouroupathis, Kyriakos | 1763 | CYP | +9N | −3B | +11N | −6B | −5N | +12B | −1B | 3.0 | 24.5 | 26.0 | 6.50 | 1795 | +2.4 |
| 8 | Georgiou, Andreas | 1718 | CYP | −5B | +10N | F | F | +9N | −2B | +14B | 3.0 | 16.0 | 16.0 | 6.50 | 1779 | +8.2 |
| 9 | Alsan, Ahmet | 1672 | TUR | −7B | −11B | =10N | +14N | −8B | +15N | =12N | 3.0 | 13.0 | 13.0 | 3.00 | 1624 | -9.0 |
| 10 | Popova, Polina | 1698 | SRB | −2N | −8B | =9B | +15N | +12N | −4B | −5N | 2.5 | 21.5 | 21.5 | 3.00 | 1576 | -23.4 |
| 11 | Sazlik, Mucahit | 1668 | TUR | −1B | +9N | −7B | F | −6N | +14B | −4N | 2.0 | 22.5 | 23.5 | 4.00 | 1679 | -1.0 |
| 12 | Gunes, Eylul | 1713 | TUR | +13N | −6N | −2B | −4N | −10B | −7N | =9B | 1.5 | 22.5 | 24.0 | 3.00 | 1512 | -35.0 |
| 13 | Odysseos, Ioannis | 1600 | CYP | −12B | =4N | +14B | F | F | F | F | 1.5 | 9.0 | 9.0 | 3.25 | 1695 | +7.6 |
| 14 | Fegan, Buse | 1684 | TUR | −6B | F | −13N | −9B | +15B | −11N | −8N | 1.0 | 13.5 | 13.5 | 0.00 | 1407 | -82.0 |
| 15 | Biskas, Georgios | 1652 | CYP | F | −5N | −4B | −10B | −14N | −9B | F | 0.0 | 15.0 | 15.0 | 0.00 | 880 | -47.6 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Pica, EleniWCMCYP+48.24.5 pts · #4
- 2Theocharous, VasilisCYP+44.05.5 pts · #2
- 3Hadjiyiannis, CostasCYP+32.44.0 pts · #5
- 1Fegan, BuseTUR-82.01.0 pts · #14
- 2Biskas, GeorgiosCYP-47.60.0 pts · #15
- 3Gunes, EylulTUR-35.01.5 pts · #13
- R7+122 Elo gap