CChessStats

20th Open Championship of ESSPEP 2026 - A

Open SwissStandard

32 players participated in this 5-round tournament, held from 15 May 2026 to 17 May 2026 in Xylokastro, Greece. Top 10 Elo average was 1868, and top seed was Vasilis Sidiropoulos (🇬🇷 GRE, 2068).

Athanasios I Panagopoulos (🇬🇷 GRE, 1778) won with 5.0/5, ahead of Vasilis Sidiropoulos (4.0) and Spyridon-Vasileios Nakos (4.0). Panagopoulos broke clear in the final round.

The biggest upset came in round 5: Athanasios I Panagopoulos (1778) beat Vasilis Sidiropoulos (2068), a +290-point gap.

Location
🇬🇷Xylokastro, Greece
Dates
15 May 2026 → 17 May 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Top seed
🇬🇷Vasilis Sidiropoulos2068
Avg top 10
1,868
Participants
32
Federations · 1 represented
🇬🇷Greece×32
Top 3

How it unfolded

Top 6 · 5 rounds

Athanasios I Panagopoulos led from R5; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders
15
7
3
2
1
1.52.545R1R2R3R4R5
Panagopoulos5Nakos4Asvestopoulos4Sidiropoulos4Zervas3.5Makryniotis3
R5–R5 · LEAD HELD

Athanasios I Panagopoulos never relinquished the lead after R5; final gap +1.0 over the runner-up.

WIN STREAKS · 2 top finishers

Athanasios I Panagopoulos 5 wins (R1–R5)Spyridon-Vasileios Nakos 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Athanasios I Panagopoulos*——
1
2Spyridon-Vasileios Nakos—*
1
0
3Sergios Asvestopoulos—
0
*—
4Vasilis Sidiropoulos
0
1
—*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Panagopoulos, Athanasios I1778GRE+28N+6B+8B+7N+2B5.013.014.014.002579+102.0
2Sidiropoulos, Vasilis2068GRE+21N+16B+18N+3B−1N4.014.016.011.002023-3.4
3Nakos, Spyridon-Vasileios1884GRE+23B+17N+4B−2N+9B4.013.515.511.502009+15.8
4Asvestopoulos, Sergios1792GRE+15N+10B−3N+6B+13N4.012.515.011.002011+57.2
5Zervas, Christos1598GRE−6N=15B+25N+10B+14B3.511.012.58.251775+34.4
6Mavromihalis, Konstantinos1954GRE+5B−1N+13B−4N+24B3.015.017.08.001797-16.4
7Bournakas, Vlassis1573GRE=13B+12N+14B−1B=8N3.013.516.08.251876+38.0
8Patrinos, Ektor1883GRE+31N+9B−1N=16B=7B3.013.513.55.751760-28.0
9Diakoumeas, Aristofanis1737GRE+22B−8N+29B+11B−3N3.012.013.06.001764+6.0
10Avdouli, Evangelia1655GRE+20B−4N+26B−5N+19B3.011.513.05.501510-11.8
11Hrisafis, Argirios1805GRE+24B−14N+23B−9N+20B3.09.511.56.001623-18.4
12Makryniotis, Konstantinos1804GRE−19N−7B+28N+29B+22N3.08.09.04.001551-26.6
13Bournakas, Alexis1902GRE=7N+19B−6N+15B−4B2.512.514.56.001667-25.8
14Potiri, Kyriaki1651GRE+32N+11B−7N=18B−5N2.512.012.04.251606-5.4
15Zervas, Spyridon1461GRE−4B=5N+30B−13N+25B2.511.512.54.251585+17.6
16Sigouros, Michail1789GRE+30B−2N+19B=8NF2.510.010.04.501820+10.0
17Fotopoulos, Georgios A1679GRE+25N−3BF=20N+26B2.59.09.04.001084-9.6
18Voriniotis, Konstantinos1797GRE+29B+26N−2B=14NF2.59.09.03.751730-4.8
19Lekkas, Dimitrios NA1515GRE+12B−13N−16N+32B−10N2.011.011.03.001595+10.8
20Karalis, Stefanos Athanasios0GRE−10N+31B=21N=17B−11N2.010.510.52.2515890.0
21Sarantidis, Ilias1603GRE−2B+22N=20B=24NF2.010.010.04.001651+3.2
22Sousamlis, Panagiotis1417GRE−9N−21B+31N+23N−12B2.010.010.02.001583+36.4
23Oikonomopoulos, Michail1570GRE−3N+28B−11N−22B+32N2.010.010.01.001438-30.0
24Markouti, Christina1532GRE−11N=25B+27N=21B−6N2.09.511.03.251655+19.2
25Sousamlis, Dimitrios0GRE−17B=24N−5B+27B−15N1.510.512.02.5014310.0
26Sias, Taxiarchis0GRE+27N−18B−10N=30B−17N1.59.510.52.0014900.0
27Fiamegkos, Andreas1629GRE−26B=30N−24B−25N+29N1.56.07.01.501480-23.6
28Alepoudeas, Dimitrios1418GRE−1B−23N−12B+31BF1.011.011.00.001486+8.0
29Papanikolaou, Panagiotis G1472GRE−18N+32B−9N−12N−27B1.010.010.00.00942-28.8
30Stathakopoulou, Evangelia1435GRE−16N=27B−15N=26NF1.08.09.01.501353-12.8
31Kesko, Oresti1562GRE−8B−20N−22B−28NF0.08.08.00.00773-60.4
32Mouratoglou, Andreas0GRE−14B−29NF−19N−23B0.07.57.50.007520.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets