CChessStats

2nd Spring open Piraikos OS May 2026

Open SwissStandard

25 players participated in this 6-round tournament, held from 12 May 2026 to 13 Jun 2026 in Piraeus, Greece. 1 titled players. Top 10 Elo average was 1764, and top seed was Dimitrios Alexakis (🇬🇷 GRE, 1972).

Ioannis Chrysostomos Karvountzis (🇬🇷 GRE, 1792) won with 5.0/6, ahead of Theodoros Dimitriadis (4.5) and Dimitrios Alexakis (4.0). Karvountzis won solo starting round 3.

The biggest upset came in round 3: Ioannis Chrysostomos Karvountzis (1792) beat Theodoros Dimitriadis (1933), a +141-point gap.

Location
🇬🇷Piraeus, Greece
Dates
12 May 2026 → 13 Jun 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 6 rounds
Top seed
🇬🇷Dimitrios Alexakis1972
Avg top 10
1,764
Participants
25
Titled players · 1
FM×1
Federations · 1 represented
🇬🇷Greece×24
Top 3

How it unfolded

Top 6 · 6 rounds

Ioannis Chrysostomos Karvountzis led from R3; +0.5-point edge over the runner-up.

Co-leaders
10
2
1
1
1
1
1.534.56R1R2R3R4R5R6
Karvountzis5Dimitriadis4.5Alexakis4Roussos4Haldaiakis4Tsomis3.5
R3–R6 · LEAD HELD

Ioannis Chrysostomos Karvountzis held the sole lead from R3 through R6 without losing it.

R3 · HEAD-TO-HEAD · WINNER VS 2ND

Ioannis Chrysostomos Karvountzis beat Theodoros Dimitriadis (White).

R1–R5 · WIN STREAK

Ioannis Chrysostomos Karvountzis won 5 in a row (R1–R5).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Ioannis Chrysostomos Karvountzis*
1
——
2Theodoros Dimitriadis
0
*
½
1
3Dimitrios Alexakis—
½
*—
4Emmanouil Roussos—
0
—*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Karvountzis, Ioannis Chrysostomos1792GRE+9N+4B+2B+6N+12BF5.018.521.017.502500+77.2
2Dimitriadis, Theodoros1933GRE+11N+5B−1N+7B+4N=3B4.520.523.516.501923+1.2
3Alexakis, Dimitrios1972GRE+10B=6N=12B=13N+17B=2N4.016.018.011.501852-14.2
4Haldaiakis, Vasilios1617GRE+16B−1N+19B+22N−2B+15N4.015.517.07.501711+11.8
5Roussos, Emmanouil1661GRE+23B−2N+9B−12N+18N+7B4.015.516.59.501750+28.8
6Talaverou, Vasiliki Viktoria1777GRE+15N=3B+8N−1B−7N+13B3.518.520.510.001757-2.4
7Tsomis, DimitriosFM1802GRE+20B=13N+22B−2N+6B−5N3.516.518.08.251733-8.4
8Thomadakis, Rafail1555GRE+24N=17B−6B+9N+15NF3.515.515.56.001722+17.0
9Modeas, Ioannis1495GRE−1B+16N−5N−8B+23B+22N3.016.017.04.501527+6.0
10Lyris, Panagiotis1541GRE−3N−15B=14N+21B=22B+16N3.012.514.06.001510-13.6
11Popis, Konstantinos1525GRE−2B+23N−15B+19NF+18B3.011.511.55.001608+17.6
12Danezis, Prodromos1677GREF+21B=3N+5B−1NF2.517.517.58.001827+30.4
13Alonistioti, Sofia1623GRE+18N=7B=17N=3BF−6N2.515.015.06.751749+30.8
14Vogiatzakis, Michail Angelos1458GREF−22N=10B+23N+16BF2.510.010.04.501510+8.4
15Mouselimis, Nikolaos Ikaros1453GRE−6B+10N+11NF−8B−4B2.017.019.06.001531+18.0
16Tashounidis, Efthimios0GRE−4N−9B+20B+25N−14N−10B2.014.514.52.0012820.0
17Marianidis, Dimitrios1782GRE+19B=8N=13BF−3NF2.014.014.05.001653-12.4
18Gerogiannis, Ioannis1410GRE−13B+20N+21NF−5B−11N2.013.513.54.001490+19.6
19Raikos Stengas, Angelos1461GRE−17N+24B−4N−11B+20B−21N2.013.013.02.001345-28.4
20Bane, Valentina1501GRE−7N−18B−16N+24B−19N+23B2.010.510.51.001333-37.2
21Biris, Dimitrios1502GREF−12N−18B−10N+25B+19B2.09.59.52.001329-36.4
22Moustakas, Georgios1558GREF+14B−7N−4B=10N−9B1.516.016.04.001434-34.8
23Bratsos, Konstantinos1431GRE−5N−11B+24N−14B−9N−20N1.014.514.50.00728-74.0
24Panteris, Kimon0GRE−8B−19N−23B−20NFF0.08.58.50.006870.0
25FIDE 5410301250—FFF−16B−21NF0.04.04.00.007020.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets