CChessStats

26th Open Tournament 2026 by PAO Chess Club

Open SwissStandard

19 players participated in this 7-round tournament, held from 16 Jan 2026 to 27 Feb 2026 in Athens, Greece. Top 10 Elo average was 1743, and top seed was Konstantinos Ignatiadis (πŸ‡¬πŸ‡· GRE, 1970).

Konstantinos Ignatiadis (πŸ‡¬πŸ‡· GRE, 1970) won with 6.0/7, ahead of Ioannis Ntaifas (5.5) and Ilias Liarakos (5.0). Ignatiadis shared the lead from round 6 and broke clear in the final round.

The biggest upset came in round 1: Ioannis Koutsioumpos (1551) beat Artiom Antoniadis (1929), a +378-point gap.

Location
πŸ‡¬πŸ‡·Athens, Greece
Dates
16 Jan 2026 β†’ 27 Feb 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss Β· 7 rounds
Top seed
πŸ‡¬πŸ‡·Konstantinos Ignatiadis1970
Avg top 10
1,743
Participants
19
Federations Β· 1 represented
πŸ‡¬πŸ‡·GreeceΓ—19
Top 3

How it unfolded

Top 6 Β· 7 rounds

Konstantinos Ignatiadis led from R7; +0.5-point edge over the runner-up.

Co-leaders
7
3
2
1
1
2
1
23.55.57R1R2R3R4R5R6R7Ignatiadis takes lead
Ignatiadis6Ntaifas5.5Liarakos5Kalogeropoulos4.5Koutsioumpos3.5Antoniadis3.5
R7 Β· LEADER CHANGE27 Feb

Konstantinos Ignatiadis takes the sole lead (6.0/7).

R4 Β· HEAD-TO-HEAD Β· WINNER VS 2ND

Konstantinos Ignatiadis lost to Ioannis Ntaifas (Black).

WIN STREAKS Β· 2 top finishers

Konstantinos Ignatiadis 3+3 wins (R1–R3, R5–R7)Ioannis Ntaifas 4 wins (R1–R4)

Key matchups Β· top 4

Head-to-head between the four finishers
Player1234
1Konstantinos Ignatiadis*
0
1
1
2Ioannis Ntaifas
1
*
Β½
Β½
3Ilias Liarakos
0
Β½
*β€”
4Konstantinos Kalogeropoulos
0
Β½
β€”*

Grille amΓ©ricaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΞ”
1Ignatiadis, Konstantinos1970GRE+18B+4N+3Bβˆ’2N+9B+6B+5N6.024.524.519.001968+2.8
2Ntaifas, Ioannis1754GRE+13B+12N+15B+1B=14N=3N=4B5.520.521.516.001909+22.4
3Liarakos, Ilias0GRE+16B+10Nβˆ’1N=6B+5N=2B+9N5.023.524.514.0018090.0
4Kalogeropoulos, Konstantinos1582GRE+19Bβˆ’1B+12Nβˆ’9N+15B+7N=2N4.520.020.08.751752+48.4
5Koutsioumpos, Ioannis1551GRE+6B=9N+14Bβˆ’8Nβˆ’3B+10Nβˆ’1B3.522.524.08.751854+88.0
6Antoniadis, Artiom1929GREβˆ’5N+18B+9B=3N+10Bβˆ’1NF3.522.522.57.501780-15.4
7Vassalos, Panagiotis1471GREβˆ’9Bβˆ’16N+13BF+11Nβˆ’4B+15N3.013.013.05.001608+21.2
8Theodoulidis, Vasilios1882GREβˆ’12B+13N+16B+5BFFF3.011.511.56.001729-11.0
9Panagiotakos, Petros1755GRE+7N=5Bβˆ’6N+4Bβˆ’1NFβˆ’3B2.525.527.09.251703-6.2
10Michas, Iasonas1718GRE=17Nβˆ’3B=11N+12Bβˆ’6Nβˆ’5B=13B2.518.018.54.251517-59.6
11Zafeiris, Konstantinos1557GREFβˆ’15N=10B+16Nβˆ’7B+17NF2.59.59.52.751570+1.6
12Androulakis, Radamanthys Pavlos1511GRE+8Nβˆ’2Bβˆ’4Bβˆ’10Nβˆ’13NF+17B2.017.517.53.501510-10.4
13Kafousopoulos, Fotios1461GREβˆ’2Nβˆ’8Bβˆ’7NF+12BF=10N1.516.016.03.251517+2.6
14Vergoulis, Konstantinos Efraim1559GREF+17Bβˆ’5NF=2BFF1.515.515.53.251569+0.4
15Papadatos, Nikolaos P1691GREF+11Bβˆ’2NFβˆ’4NFβˆ’7B1.018.018.02.501401-30.4
16Vasilopoulos, Spyridon1578GREβˆ’3N+7Bβˆ’8Nβˆ’11BFFF1.015.015.03.001512-12.8
17Voulgaris, Georgios1404GRE=10Bβˆ’14NFFFβˆ’11Bβˆ’12N0.59.59.51.251267-11.2
18Tepetes, Nikolaos Iason1575GREβˆ’1Nβˆ’6NFFFFF0.014.514.50.001147-3.6
19Papageorgiadis, Georgios0GREβˆ’4NFFFFFF0.04.54.50.007930.0

Key insights

Biggest movers and upsets β€” the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
26th Open Tournament 2026 by PAO Chess Club β€” Athens, Greece | Chess Tournament Results | ChessStats