CChessStats

23rd open Agria Oct 2025

Open SwissStandard

19 players participated in this 6-round tournament, held from 12 Nov 2025 to 17 Dec 2025 in Agria, Greece. Top 10 Elo average was 1748, and top seed was Hristos Gitsis (🇬🇷 GRE, 1998).

Hristos Gitsis (🇬🇷 GRE, 1998) won with 5.5/6, ahead of Konstantinos Tzamtzis (4.5) and Vasilis Koukouvinos (4.5). Gitsis took the lead from round 5.

The biggest upset came in round 6: Vasilis Koukouvinos (1670) beat Spyridon Pagkratis (1830), a +160-point gap.

Location
🇬🇷Agria, Greece
Dates
12 Nov 2025 → 17 Dec 2025
Time control
Standard: 75 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Top seed
🇬🇷Hristos Gitsis1998
Avg top 10
1,748
Participants
19
Federations · 1 represented
🇬🇷Greece×19
Top 3

How it unfolded

Top 6 · 6 rounds

Hristos Gitsis led from R5; +1.0-point edge over the runner-up.

Co-leaders
8
4
2
1
1
1
1.534.56R1R2R3R4R5R6Gitsis takes lead
Gitsis5.5Koukouvinos4.5Tzamtzis4.5Antonakis4Pagkratis4Chatzipolitis4
R5 · LEADER CHANGE10 Dec

Hristos Gitsis takes the sole lead (4.5/5).

WIN STREAKS · 2 top finishers

Hristos Gitsis 4 wins (R3–R6)Konstantinos Tzamtzis 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Hristos Gitsis*——
½
2Vasilis Koukouvinos—*
0
—
3Konstantinos Tzamtzis—
1
*
½
4Leonidas Antonakis
½
—
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Gitsis, Hristos1998GRE+12B=5N+9B+7N+4N+6B5.517.519.517.502135+12.8
2Tzamtzis, Konstantinos1851GRE+8N+6B+3N−4B=5N+15B4.519.521.015.001865+2.6
3Koukouvinos, Vasilis1670GRE+18B+19N−2B=10N+12B+4B4.513.013.07.251882+26.6
4Pagkratis, Spyridon1830GRE+17B+9N+7B+2N−1B−3N4.020.021.011.001881+18.4
5Antonakis, Leonidas1732GRE+13N=1B−6N+8B=2B+9N4.019.521.512.501833+33.6
6Chatzipolitis, Georgios1781GRE+11B−2N+5B+15N+10B−1N4.019.020.510.501758-1.2
7Sarsentos, Dimitrios1821GRE+14N+10B−4N−1B+8NF3.017.017.07.501717-9.2
8Hatzopoulos, Alexandros1569GRE−2B+11N+13B−5N−7B+17N3.016.017.05.501636+9.6
9Zacharis, Lampros1641GRE+15N−4B−1N+14B=11N−5B2.518.019.54.751548-28.8
10Moutzouris, Ioannis0GREF−7N+12B=3B−6N+11B2.516.016.06.7516610.0
11Koutidis, Athanasios1450GRE−6N−8B+18N+16B=9B−10N2.513.513.52.751582+16.0
12Maritsis, Zisis1582GRE−1N+16B−10N+13B−3NF2.016.518.03.501643+4.2
13Dimopoulos, Christos1430GRE−5BF−8N−12N+18B+16B2.011.511.51.501488+18.0
14Tsiakovis, Dionysios1474GRE−7B+18N−15B−9N+17BF2.010.010.01.001606+25.2
15Karagiannakis, Dimitrios0GRE−9BF+14N−6B=16N−2N1.514.514.52.7515020.0
16Bougas, Theodoros1509GREF−12N+19B−11N=15B−13N1.58.08.00.751303-21.6
17Chalatsis, Apostolos1552GRE−4NFF+18B−14N−8B1.011.011.00.001377-38.0
18Antonakis, Antonios1407GRE−3N−14B−11B−17N−13NF0.012.012.00.00711-73.6
19Parsas, Nikolaos1540GREF−3B−16NFFF0.06.06.00.00790-17.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets