35th open SO Peristeriou
27 players participated in this 7-round tournament, held from 23 Sept 2025 to 11 Nov 2025 in Peristeri, Greece. 3 titled players from 2 federations. Top 10 Elo average was 1866, and top seed was Christos Krallis (🇬🇷 GRE, IM, 2392).
Christos Krallis (🇬🇷 GRE, IM, 2392) won with 7.0/7, ahead of Dimosthenis Panagiot Tzortzatos (5.5) and Enton Giomemo (5.0). Krallis won solo starting round 5.
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How it unfolded
Top 6 · 7 roundsIM Christos Krallis led from R5; +1.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.
IM Christos Krallis never relinquished the lead after R5; final gap +1.5 over the runner-up.
IM Christos Krallis beat Dimosthenis Panagiot Tzortzatos (Black).
IM Christos Krallis 7 wins (R1–R7)Dimosthenis Panagiot Tzortzatos 4 wins (R1–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1IMChristos Krallis | * | 1 | 1 | 1 |
| 2Dimosthenis Panagiot Tzortzatos | 0 | * | ½ | 1 |
| 3Enton Giomemo | 0 | ½ | * | — |
| 4Apostolos Mentzos | 0 | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Krallis, ChristosIM | 2392 | GRE | +20B | +14N | +3B | +9B | +2N | +13N | +4B | 7.0 | 24.5 | 26.5 | 26.50 | 2850 | +9.0 |
| 2 | Tzortzatos, Dimosthenis Panagiot | 2003 | GRE | +17B | +4N | +5B | +19N | −1B | =3N | +13B | 5.5 | 25.5 | 27.5 | 18.00 | 2001 | +8.0 |
| 3 | Giomemo, Enton | 1912 | ALB | +12N | +11B | −1N | =10B | +5N | =2B | +22N | 5.0 | 27.0 | 29.0 | 17.50 | 1872 | -1.0 |
| 4 | Mentzos, Apostolos | 1497 | GRE | +18N | −2B | +23N | +12B | =9N | +11B | −1N | 4.5 | 25.0 | 27.0 | 12.75 | 1729 | +48.0 |
| 5 | Mavroudis, Dionisios | 1622 | GRE | +7N | +10B | −2N | −11B | −3B | +18N | +16B | 4.0 | 24.5 | 26.5 | 12.50 | 1536 | -11.6 |
| 6 | Gavriil, Dimitrios | 1578 | GRE | +21B | −9N | +17B | F | −13N | +10B | +7N | 4.0 | 18.0 | 20.0 | 11.50 | 1650 | +5.6 |
| 7 | Ntogkas, Dimitrios | 0 | GRE | −5B | −16N | +27B | +24N | +15B | +17N | −6B | 4.0 | 17.0 | 17.5 | 6.50 | 1417 | 0.0 |
| 8 | Eftaxiadis, Dimitrios | 1466 | GRE | −9B | +21N | −20B | −18N | +25N | +23B | +19N | 4.0 | 13.5 | 14.5 | 7.00 | 1066 | -3.2 |
| 9 | Karagiannis, AthanasiosIM | 2116 | GRE | +8N | +6B | +13B | −1N | =4B | F | F | 3.5 | 22.5 | 22.5 | 13.25 | 2000 | -3.5 |
| 10 | Pallis, Sotirios | 1480 | GRE | +16B | −5N | +24B | =3N | +19B | −6N | −12B | 3.5 | 21.5 | 22.5 | 8.50 | 1307 | -32.8 |
| 11 | Vafeiadakis, Michail | 1523 | GRE | +27B | −3N | +15B | +5N | =14B | −4N | F | 3.5 | 21.5 | 22.0 | 9.00 | 1555 | +1.6 |
| 12 | Pritsinis, Ioannis | 1435 | GRE | −3B | +27N | =14B | −4N | F | +19B | +10N | 3.5 | 18.5 | 18.5 | 7.50 | 1500 | +8.4 |
| 13 | Ntaifas, Ioannis | 1717 | GRE | +15B | F | −9N | +16N | +6B | −1B | −2N | 3.0 | 26.0 | 27.0 | 10.00 | 1761 | -0.2 |
| 14 | Polychronopoulos, Filippos | 1536 | GRE | +26N | −1B | =12N | +25B | =11N | −22B | −15N | 3.0 | 20.0 | 21.0 | 5.50 | 1506 | -9.6 |
| 15 | Eirinidis, Dimitrios | 0 | GRE | −13N | +18B | −11N | +23B | −7N | F | +14B | 3.0 | 17.5 | 19.5 | 7.00 | 1467 | -12.4 |
| 16 | FIDE 541017781 | 0 | — | −10N | +7B | +?N | −13B | −22N | +25B | −5N | 3.0 | 17.5 | 17.5 | 5.00 | 806 | 0.0 |
| 17 | Stavropoulos, Simeon | 1436 | GRE | −2N | +26B | −6N | F | +18B | −7B | F | 2.0 | 20.0 | 20.0 | 3.00 | 902 | -7.6 |
| 18 | Patsaris, Konstantinos | 0 | GRE | −4B | −15N | F | +8B | −17N | −5B | +26N | 2.0 | 18.5 | 18.5 | 5.00 | 1310 | 0.0 |
| 19 | Marinopoulos, Nikolaos Sp | 0 | GRE | F | +?B | +?N | −2B | −10N | −12N | −8B | 2.0 | 16.5 | 16.5 | 0.00 | 796 | 0.0 |
| 20 | Poupalos, NikolaosFM | 2261 | GRE | −1N | +25B | +8N | F | F | F | F | 2.0 | 16.0 | 16.0 | 5.00 | 2127 | -4.8 |
| 21 | FIDE 541015550 | 0 | — | −6N | −8B | +26N | F | +24B | F | F | 2.0 | 15.0 | 15.0 | 2.00 | 722 | 0.0 |
| 22 | Dimogkotsis, Ioannis | 0 | GRE | F | F | F | F | +16B | +14N | −3B | 2.0 | 13.0 | 13.0 | 6.00 | 1724 | 0.0 |
| 23 | FIDE 42184070 | 0 | — | F | F | −4B | −15N | +26B | −8N | +?N | 2.0 | 12.5 | 12.5 | 1.00 | 682 | 0.0 |
| 24 | FIDE 541017773 | 0 | — | F | F | −10N | −7B | −21N | +?B | −?N | 1.0 | 12.5 | 12.5 | 0.00 | 680 | 0.0 |
| 25 | FIDE 541015150 | 0 | — | F | −20N | +?B | −14N | −8B | −16N | F | 1.0 | 12.5 | 12.5 | 0.00 | 954 | 0.0 |
| 26 | FIDE 42187958 | 0 | — | −14B | −17N | −21B | F | −23N | +?N | −18B | 1.0 | 11.5 | 11.5 | 0.00 | 681 | 0.0 |
| 27 | FIDE 42184134 | 0 | — | −11N | −12B | −7N | F | =?B | F | F | 0.5 | 13.0 | 13.0 | 0.00 | 678 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Mentzos, ApostolosGRE+48.04.5 pts · #5
- 2Krallis, ChristosIMGRE+9.07.0 pts · #1
- 3Pritsinis, IoannisGRE+8.43.5 pts · #7
- 1Pallis, SotiriosGRE-32.83.5 pts · #17
- 2Eirinidis, DimitriosGRE-12.43.0 pts · #13
- 3Mavroudis, DionisiosGRE-11.64.0 pts · #15