195th Open SO Ampelokipon Jan 2026

Open SwissStandard

39 players participated in this 7-round tournament, held from 14 Jan 2026 to 25 Feb 2026 in Athens, Greece. Top 10 Elo average was 1906, and top seed was Hristoforos Nemtsas (🇬🇷 GRE, 2000).

Konst Katsadoros-Fegeros (🇬🇷 GRE, 1837) won with 6.0/7, ahead of Artiom Antoniadis (5.5) and Georgios Dimitriou (5.5). Katsadoros-Fegeros shared the lead from round 4 and won solo starting round 6.

The biggest upset came in round 3: Konstantinos Efraim Vergoulis (1559) beat Alexandros Masa (1834), a +275-point gap.

Location

🇬🇷Athens, Greece

Dates

14 Jan 2026 → 25 Feb 2026

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 7 rounds

Top seed

🇬🇷Hristoforos Nemtsas2000

Avg top 10

1,906

Participants

Federations · 1 represented

🇬🇷Greece×37

Top 3

🥇
Konst Katsadoros-Fegeros
🇬🇷GRE·1837
6.0pts·2125perf+48.0
🥈
Artiom Antoniadis
🇬🇷GRE·1929
5.5pts·2013perf+14.0
🥉
Georgios Dimitriou
🇬🇷GRE·1938
5.5pts·1975perf+8.6

How it unfolded

Top 6 · 7 rounds

Konst Katsadoros-Fegeros led from R6; +0.5-point edge over the runner-up. Title race converged from 3 co-leaders at R4 to 1 by R6.

Co-leaders

Katsadoros-Fegeros6Dimitriou5.5Antoniadis5.5Nemtsas5Vuka5Bouras4.5

R6 · LEADER CHANGE18 Feb

Konst Katsadoros-Fegeros takes the sole lead (5.5/6).

R2 · HEAD-TO-HEAD · WINNER VS 2ND

Konst Katsadoros-Fegeros drew with Georgios Dimitriou (White).

WIN STREAKS · 3 top finishers

Konst Katsadoros-Fegeros 4 wins (R3–R6)Georgios Dimitriou 4 wins (R4–R7)Artiom Antoniadis 3 wins (R3–R5)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Konst Katsadoros-Fegeros	*	½	1	1
2Georgios Dimitriou	½	*	—	—
3Artiom Antoniadis	0	—	*	—
4Hristoforos Nemtsas	0	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Katsadoros-Fegeros, Konst	1837	GRE	+23N	=3B	+22N	+7B	+4N	+2B	=5B	6.0	28.5	31.0	25.75	2125	+48.0
2	Antoniadis, Artiom	1929	GRE	+12B	=13N	+21B	+6N	+11B	−1N	+7B	5.5	25.5	28.5	20.75	2013	+14.0
3	Dimitriou, Georgios	1938	GRE	+30B	=1N	−6B	+29N	+35B	+9N	+11N	5.5	22.0	23.0	15.50	1975	+8.6
4	Nemtsas, Hristoforos	2000	GRE	+26B	+16N	+8B	−9N	−1B	+18N	+10B	5.0	24.5	27.0	17.00	1970	-2.2
5	Vuka, Alboreno	1856	GRE	F	+19N	+29B	+8N	=9B	+10B	=1N	5.0	23.5	23.5	18.50	2053	+29.2
6	Ntaifas, Ioannis	1754	GRE	+24N	=7B	+3N	−2B	+14N	−11B	+12N	4.5	26.0	28.5	17.25	1899	+24.0
7	Bouras, Antonios	1887	GRE	+25B	=6N	+35B	−1N	+32B	+13N	−2N	4.5	23.5	24.5	10.75	1842	-5.0
8	Fotiadis, Filippos	1909	GRE	+15N	+14B	−4N	−5B	+25N	=12B	+28N	4.5	23.0	25.0	13.25	1843	-8.4
9	Delithanasis, Dimitrios	1964	GRE	+17N	+10B	=11N	+4B	=5N	−3B	F	4.0	26.0	29.0	16.25	1977	+3.0
10	Lykiardopoulos, Miltiadis	1790	GRE	+34B	−9N	+26B	+12N	+16B	−5N	−4N	4.0	23.0	24.0	10.00	1828	+6.0
11	Sideris, Theodoros	1886	GRE	+28N	F	=9B	+32B	−2N	+6N	−3B	3.5	24.5	26.0	10.00	1854	-2.4
12	Megagiannis, Maximos	1651	GRE	−2N	+23B	+34N	−10B	+17B	=8N	−6B	3.5	24.0	25.0	8.75	1699	+12.0
13	Masa, Alexandros	1834	GRE	+31N	=2B	−32N	+22B	+21N	−7B	F	3.5	21.5	23.0	10.75	1730	-12.2
14	Aggelopoulos, Fotios	1763	GRE	+39B	−8N	=25B	+19N	−6B	+29N	F	3.5	20.0	20.0	6.25	1715	-5.6
15	Foutouhos, Spyridon	1643	GRE	−8B	=20N	F	=27B	+34N	=23B	+24N	3.5	16.0	16.0	7.50	1525	-14.0
16	Zacharias, Anastasios	1853	GRE	+20B	−4B	F	+18N	−10N	+28B	F	3.0	22.0	24.0	8.00	1807	-9.2
17	Koutsompinas, Georgios	1642	GRE	−9B	+30N	F	+24B	−12N	=20B	=23N	3.0	18.5	20.5	7.25	1559	-12.8
18	Prapas, Efthymios Alkiviadis	1692	GRE	+33B	F	+28N	−16B	+20N	−4B	F	3.0	18.0	18.0	6.50	1763	+13.6
19	Georgakopoulou, Anna	1566	GRE	F	−5B	+27N	−14B	+38N	−21B	+26N	3.0	16.5	16.5	5.00	1601	+6.4
20	Kokkalis, Stefanos	1562	GRE	−16N	=15B	+33N	F	−18B	=17N	+29B	3.0	16.0	16.0	6.75	1615	+6.0
21	Matziaras, Athanasios	1637	GRE	F	+27B	−2N	+36N	−13B	+19N	F	3.0	15.5	15.5	6.50	1735	+12.2
22	Gkogka, Elvis	1587	GRE	F	+38N	−1B	−13N	=23B	=24N	+36B	3.0	15.5	15.5	3.50	1589	-1.4
23	Christodoulidi, Georgia	1512	GRE	−1B	−12N	F	+33B	=22N	=15N	=17B	2.5	20.5	20.5	6.25	1522	+0.4
24	Kazantzoglou, Aristotelis	0	GRE	−6B	−25N	+39B	−17N	+30N	=22B	−15B	2.5	18.5	18.5	3.50	1498	0.0
25	Kokkalis, Georgios Stef	1642	GRE	−7N	+24B	=14N	F	−8B	F	+34B	2.5	18.0	18.0	5.25	1580	-8.8
26	Mentzos, Apostolos	1645	GRE	−4N	+31B	−10N	+34B	−28B	=32N	−19B	2.5	17.5	18.5	3.75	1470	-57.6
27	Vakalopoulou, Vasiliki	1463	GRE	F	−21N	−19B	=15N	−31B	+37N	+33B	2.5	13.5	13.5	3.75	1246	-19.0
28	Ioannidis, Ilias	1639	GRE	−11B	+39N	−18B	F	+26N	−16N	−8B	2.0	18.5	18.5	2.50	1615	-4.6
29	Gkogka, Klevis	1613	GRE	F	+37B	−5N	−3B	+36N	−14B	−20N	2.0	18.5	18.5	1.50	1488	-16.6
30	Karapappas, Nikolaos	1471	GRE	−3N	−17B	+31N	F	−24B	−34N	+38B	2.0	16.0	16.0	2.00	1521	+3.6
31	Thanasas, Dimitrios	1425	GRE	−13B	−26N	−30B	+39N	+27N	F	F	2.0	14.5	14.5	2.50	1502	+7.2
32	Vergoulis, Konstantinos Efraim	1559	GRE	F	F	+13B	−11N	−7N	=26B	F	1.5	16.0	16.0	4.75	1726	+13.8
33	Dimou, Panagiotis	0	GRE	−18N	F	−20B	−23N	=37B	+39B	−27N	1.5	11.5	11.5	0.25	1298	0.0
34	Dalpis, Nikolaos	0	GRE	−10N	F	−12B	−26N	−15B	+30B	−25N	1.0	18.0	18.0	2.00	1367	0.0
35	Spyrou, Agamemnon Ioannis	1620	GRE	F	F	−7N	+38B	−3N	F	F	1.0	10.0	10.0	0.00	1113	-12.4
36	Osmani, Sokol	1521	GRE	F	F	+37N	−21B	−29B	F	−22N	1.0	8.5	8.5	0.50	812	-22.4
37	FIDE 541012780	0	—	F	−29N	−36B	F	=33N	−27B	F	0.5	7.0	7.0	0.75	733	0.0
38	FIDE 541016939	0	—	F	−22B	F	−35N	−19B	F	−30N	0.0	13.5	13.5	0.00	762	0.0
39	Megagiannis, Konstantinos	1466	GRE	−14N	−28B	−24N	−31B	F	−33N	F	0.0	12.0	12.0	0.00	808	-38.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Katsadoros-Fegeros, KonstGRE
+48.0
6.0 pts · #1
2Vuka, AlborenoGRE
+29.2
5.0 pts · #5
3Ntaifas, IoannisGRE
+24.0
4.5 pts · #12

Top rating losers

1Mentzos, ApostolosGRE
-57.6
2.5 pts · #25
2Megagiannis, KonstantinosGRE
-38.8
0.0 pts · #38
3Osmani, SokolGRE
-22.4
1.0 pts · #37

Biggest upsets

R3+275 Elo gap
Vergoulis, Konstantinos Efraim1559 beat Masa, Alexandros1834
R3+184 Elo gap
Ntaifas, Ioannis1754 beat Dimitriou, Georgios1938
R5+163 Elo gap
Katsadoros-Fegeros, Konst1837 beat Nemtsas, Hristoforos2000