CChessStats

ASB International Chess Day Open II

Open SwissStandard

22 players participated in this 5-round tournament, held from 19 Jul 2025 to 21 Jul 2025 in Volos, Greece. Top 10 Elo average was 1611, and top seed was Dimitrios Sarsentos (🇬🇷 GRE, 1778).

Nikolaos Papagiannis (🇬🇷 GRE, 1641) won with 4.5/5, ahead of Dimitrios Sarsentos (4.0) and Athanasios Vlachavas (3.5). Papagiannis broke clear in the final round.

The biggest upset came in round 2: Stefanos Raftopoulos (1477) beat Dimitrios Iason Stylianou (1736), a +259-point gap.

Location
🇬🇷Volos, Greece
Dates
19 Jul 2025 → 21 Jul 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
🇬🇷Dimitrios Sarsentos1778
Avg top 10
1,611
Participants
22
Federations · 1 represented
🇬🇷Greece×22
Top 3

How it unfolded

Top 6 · 5 rounds

Nikolaos Papagiannis led from R3; +0.5-point edge over the runner-up.

Co-leaders
10
4
1
2
1
1.52.545R1R2R3R4R5
Papagiannis4.5Sarsentos4Papageorgiou3.5Vlachavas3.5Antonakis3Ntougkos3
R3–R5 · LEAD HELD

Nikolaos Papagiannis held the sole lead from R3 through R5 without losing it.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Nikolaos Papagiannis drew with Dimitrios Sarsentos (White).

R1–R3 · WIN STREAK

Nikolaos Papagiannis won 3 in a row (R1–R3).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Nikolaos Papagiannis*
½
—
1
2Dimitrios Sarsentos
½
*—
½
3Vasileios Riginos Papageorgiou——*
0
4Athanasios Vlachavas
0
½
1
*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Papagiannis, Nikolaos1641GRE+9N+10B+11N=2B+3N4.513.516.014.001915+23.6
2Sarsentos, Dimitrios1778GRE+19B+8N=3B=1N+5B4.014.015.011.001826+5.0
3Vlachavas, Athanasios1624GRE+13B+12N=2N+4B−1B3.514.517.010.501629+2.4
4Papageorgiou, Vasileios Riginos1466GRE+22N=6B+7N−3N+12B3.512.012.57.501631+26.0
5Stylianou, Dimitrios Iason1736GRE+16N−11B+6N+10B−2N3.012.514.58.001597-31.6
6Antonakis, Leonidas1688GRE+14B=4N−5B=15N+11N3.011.013.07.251568-24.8
7Ntougkos, Dimitrios1596GREF+15N−4B+13N+8B3.011.011.07.501639+7.2
8Papapanagiotou, Achilleas1513GRE+20N−2B+14N+18B−7N3.010.511.54.50886-11.4
9Kountrias, Stamatis0GRE−1B+21N−12B+19B+14N3.010.010.53.508410.0
10Koutidis, Athanasios1445GRE+21B−1N+17B−5N+20B3.010.010.53.00902-7.6
11Raftopoulos, Stefanos1477GRE+17B+5N−1B=12N−6B2.513.014.55.751572+6.6
12Baras, Konstantinos0GRE+18N−3B+9N=11B−4N2.512.514.05.7512460.0
13Nyktas, Nikolaos0GRE−3N=22B+?N−7B+19N2.58.08.01.258040.0
14Karagiannakis, Dimitrios0GRE−6N+20B−8B+17N−9B2.010.511.52.508000.0
15Vangias, Konstantinos1589GREF−7B+22N=6B=18N2.08.08.02.751447-11.6
16Daferera, Theano0GRE−5B−17N+21B−20N+?B2.06.06.00.509630.0
17Polioras, Stamatios0GRE−11N+16B−10N−14B=21N1.59.510.02.256620.0
18Tympas, Grigorios0GRE−12BF+19N−8N=15B1.58.58.52.0013460.0
19Daferera, Eleni0GRE−2N+?B−18B−9N−13B1.011.011.00.009790.0
20Poliora, Aikaterini Sofia0GRE−8B−14NF+16B−10N1.010.010.02.006800.0
21Tympas, Dimitrios St0GRE−10N−9B−16NF=17B0.59.59.50.756460.0
22Simaiaki, Sofia0GRE−4B=13N−15B−?NF0.58.08.01.257150.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets