48th IKAROS INTERNATIONAL CHESS TOURN. 2025 - AEGEAN OPEN B

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82 players participated in this 7-round tournament, held from 12 Jul 2025 to 19 Jul 2025 in Ikaria, Greece. 2 federations represented. Top 10 Elo average was 1674, and top seed was Vasilios Karahisaridis (🇬🇷 GRE, 1787).

Nikolaos Efremidis (🇬🇷 GRE, 1598) won with 6.0/7, ahead of Angelos Deligiannis (6.0) and Dimitria Nikolaki (5.5). Efremidis shared the lead from round 3, winning on tie-break.

The biggest upset came in round 5: Evangelia Stathakopoulou (1434) beat Panagiotis Eleftherios Vasilakopoulos (1606), a +172-point gap.

Location

🇬🇷Ikaria, Greece

Dates

12 Jul 2025 → 19 Jul 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 7 rounds

Top seed

🇬🇷Vasilios Karahisaridis1787

Avg top 10

1,674

Participants

Federations · 2 represented

🇬🇷Greece×68

🇹🇷Turkiye×3

Top 3

🥇
Nikolaos Efremidis
🇬🇷GRE·1598
6.0pts·1838perf+34.4
🥈
Angelos Deligiannis
🇬🇷GRE·1613
6.0pts·1846perf+67.2
🥉
Dimitria Nikolaki
🇬🇷GRE·1547
5.5pts·1816perf+42.0

How it unfolded

Top 6 · 7 rounds

Tight race until R5; 2 players tied at 6.0/7, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.

Co-leaders

Efremidis6Deligiannis6Kapagiannidis5.5Nikolaki5.5Chalaris5.5Alexopoulos5

R5–R7 · LEAD HELD

Nikolaos Efremidis held the sole lead from R5 through R7 without losing it.

R7 · TIEBREAK CLUSTER

2 players finish on 6.0/7. Efremidis takes the title on Buchholz Cut1 (27.0).

R1–R5 · WIN STREAK

Nikolaos Efremidis won 5 in a row (R1–R5).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Nikolaos Efremidis	*	—	½	½
2Angelos Deligiannis	—	*	—	½
3Konstantinos Kapagiannidis	½	—	*	—
4Dimitria Nikolaki	½	½	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Efremidis, Nikolaos	1598	GRE	+77N	+48B	+7N	+20B	+21N	=4B	=3N	6.0	27.0	28.5	23.00	1838	+34.4
2	Deligiannis, Angelos	1613	GRE	+50N	=35B	+37N	+23B	=3N	+21B	+18N	6.0	25.0	28.0	23.50	1846	+67.2
3	Nikolaki, Dimitria	1547	GRE	+56B	+24N	+13B	=5N	=2B	+10N	=1B	5.5	31.0	34.0	25.25	1816	+42.0
4	Kapagiannidis, Konstantinos	1676	GRE	+74B	+36N	=6B	+16N	=5B	=1N	+22N	5.5	28.5	30.0	21.75	1762	+12.4
5	Chalaris, Iason	1571	GRE	+63N	+52B	+11N	=3B	=4N	=22B	+17N	5.5	27.0	29.5	22.00	1707	+14.6
6	Tufaner, Ayaz	1533	TUR	+33N	+30B	=4N	=18B	=14B	+16N	=8B	5.0	28.0	32.0	22.25	1786	+80.8
7	Tatsis, Ermis	1539	GRE	+60B	+14N	−1B	=42N	=28B	+40N	+24B	5.0	25.5	28.0	18.25	1786	+51.6
8	Alexopoulos, Antonios	1679	GRE	+15N	=37B	=38N	=12B	+36N	+20B	=6N	5.0	25.0	28.5	20.25	1714	+12.8
9	Sellis, Charalampos	0	GRE	+51N	=23B	+30N	=22B	=20N	=28B	+21N	5.0	24.0	27.0	19.00	1673	0.0
10	Mitsopoulos, Konstantinos	1638	GRE	+67N	+12B	−20N	+48B	+47N	−3B	+27N	5.0	24.0	26.0	16.50	1624	-3.6
11	Vogiatzidakis, Iason	0	GRE	+27B	+41N	−5B	+46N	=26B	=14N	=13B	4.5	26.0	29.5	17.50	1599	0.0
12	Plakas, Dias	1531	GRE	+73B	−10N	+58B	=8N	=13B	+31N	=14B	4.5	26.0	28.0	16.00	1561	+4.8
13	Ballioglu, Poyraz	1606	TUR	+72N	+29B	−3N	=44B	=12N	+47B	=11N	4.5	25.0	27.0	15.25	1553	-13.2
14	Gourgari, Marianna	1669	GRE	+66N	−7B	+74N	+29B	=6N	=11B	=12N	4.5	25.0	26.5	14.50	1518	-16.0
15	Zachos, Antonios	0	GRE	−8B	+62N	+24B	−26N	=19N	+51B	+39N	4.5	24.0	26.5	15.25	1659	+5.6
16	Katsiavos, Nikolaos	1590	GRE	=61N	+78B	+35N	−4B	+44N	−6B	+38N	4.5	23.5	25.0	13.25	1606	+5.2
17	Pateraki, Kleopatra	1620	GRE	+53B	−25N	+49B	=36N	+54B	+27N	−5B	4.5	23.0	26.0	14.75	1489	-17.4
18	Stathatos, Georgios	1662	GRE	−49B	+75N	+66B	=6N	+57B	+26N	−2B	4.5	23.0	24.5	13.00	1640	-5.2
19	Kontokostas, Marios	1596	GRE	+59B	+34N	−31B	−47N	=15B	+54N	+25B	4.5	22.5	25.5	16.25	1603	-0.4
20	Tsormpatzoglou, Eleftheria	1568	GRE	+42B	+64N	+10B	−1N	=9B	−8N	=32B	4.0	28.5	31.0	15.50	1509	-6.4
21	Koukoufikis, Ioannis	1600	GRE	+75B	+49N	+25B	+31N	−1B	−2N	−9B	4.0	28.0	29.5	12.50	1434	-13.2
22	Georgakopoulou, Anna	1602	GRE	F	+54N	+46B	=9N	+31B	=5N	−4B	4.0	26.5	26.5	15.75	1655	+10.4
23	Michas, Iasonas	1578	GRE	+71B	=9N	+32B	−2N	=42B	−25N	+53B	4.0	25.5	27.5	13.25	1390	-28.8
24	Kratidis, Anastasios	1709	GRE	+44N	−3B	−15N	+52B	+74N	+35B	−7N	4.0	25.0	26.5	11.50	1458	-32.8
25	Deligianni, Aikaterini	1479	GRE	+81N	+17B	−21N	−39B	+33N	+23B	−19N	4.0	24.5	24.5	12.50	1525	+15.6
26	Seferlis, Georgios	1547	GRE	−52N	+77B	+43N	+15B	=11N	−18B	=29N	4.0	24.0	25.5	13.75	1591	+3.8
27	Stathakopoulou, Evangelia	1434	GRE	−11N	+63B	+76N	+38B	+39N	−17B	−10B	4.0	23.5	25.0	11.00	1599	+34.4
28	Karahisaridis, Vasilios	1787	GRE	+45B	=38N	+47B	F	=7N	=9N	=57B	4.0	23.0	23.0	14.75	1641	-14.8
29	Valeris, Nikolaos	1468	GRE	+55B	−13N	+68B	−14N	+64B	=41N	=26B	4.0	22.0	24.0	11.25	1403	-12.4
30	Papadopoulos, Georgios 45877	1686	GRE	+65B	−6N	−9B	−56N	+59B	+68N	+42B	4.0	22.0	24.0	11.00	734	-28.0
31	Zafeiroudis, Nikolaos NA	0	GRE	+69N	+?B	+19N	−21B	−22N	−12B	+47N	4.0	22.0	22.0	9.50	1590	0.0
32	Galionis, Nikolaos	1467	GRE	=76N	+40B	−23N	=37B	+55N	=39B	=20N	4.0	21.5	23.0	12.75	1483	+2.4
33	FIDE 42197716	0	—	−6B	+53N	−?B	+66N	−25B	+67N	+49B	4.0	19.0	19.0	10.00	693	0.0
34	Papadopoulos, Konstantinos F	0	GRE	+?N	−19B	=51N	−35B	+50N	=?B	+48N	4.0	17.0	17.0	7.50	1510	0.0
35	Pentogenis, Ioannis	1510	GRE	+79B	=2N	−16B	+34N	=41B	−24N	=40B	3.5	25.5	26.5	11.50	1425	-8.4
36	Konstantopoulos, Panagiotis N	1514	GRE	+80N	−4B	+52N	=17B	−8B	+45N	F	3.5	25.0	25.0	8.75	1516	-1.2
37	Kotsis, Dimitrios	1547	GRE	+62B	=8N	−2B	=32N	+67B	=42N	−43B	3.5	24.5	26.5	10.75	1462	-14.8
38	Aliaj, Arntit	1544	GRE	+82N	=28B	=8B	−27N	+58B	=43N	−16B	3.5	24.0	24.0	9.25	1430	-24.4
39	Vasilakopoulos, Panagiotis Eleftherios	1606	GRE	+58B	−47N	+67B	+25N	−27B	=32N	−15B	3.5	22.5	24.5	11.00	1345	-66.0
40	Poursaitidis, Savvas	0	GRE	=57B	−32N	=45B	+49N	+48N	−7B	=35N	3.5	22.0	25.0	11.00	1425	0.0
41	Anadiotis, Vasileios	1560	GRE	+43N	−11B	=50N	+61B	=35N	=29B	F	3.5	22.0	24.5	11.25	1488	-8.0
42	Kougiemitros, Faidon	0	GRE	−20N	+?B	+?N	=7B	=23N	=37B	−30N	3.5	20.5	20.5	6.25	1553	0.0
43	Kouros, Evaggelos G	0	GRE	−41B	+45N	−26B	+68N	F	=38B	+37N	3.5	20.0	20.0	10.75	1528	0.0
44	Triantafyllou, Dimitrios	1406	GRE	−24B	+56N	+69B	=13N	−16B	F	+70N	3.5	20.0	20.0	9.25	1362	-5.6
45	Bitsios, Antonios	1433	GRE	−28N	−43B	=40N	+70B	+61N	−36B	+60N	3.5	19.5	21.5	8.75	851	-20.0
46	Karahisaridis, Nikolaos	1529	GRE	=78N	+61B	−22N	−11B	−60N	+79B	+74N	3.5	16.5	17.5	5.75	804	-16.0
47	Menegkis, Dimitrios	1457	GRE	+70N	+39B	−28N	+19B	−10B	−13N	−31B	3.0	25.5	27.5	10.00	1573	+28.0
48	Tsimponis, Georgios Taxiarchis	1459	GRE	+68B	−1N	+64B	−10N	−40B	+56N	−34B	3.0	24.0	26.0	7.50	818	-23.2
49	Mavrogeorgos, Georgios	0	GRE	+18N	−21B	−17N	−40B	+73N	+52B	−33N	3.0	23.5	25.5	9.50	1502	0.0
50	Deligiannis, Panagiotis	0	GRE	−2B	+55N	=41B	−57N	−34B	=62N	+68B	3.0	22.0	24.0	8.00	1279	0.0
51	Eftaxiadis, Dimitrios	1482	GRE	−9B	+71N	=34B	−54N	+65B	−15N	=56B	3.0	22.0	24.0	8.00	754	-16.2
52	Ley, Johannes	0	GRE	+26B	−5N	−36B	−24N	+66B	−49N	+75B	3.0	22.0	23.5	7.50	1393	0.0
53	Ninou, Alexandra Maria	0	GRE	−17N	−33B	+63N	−55B	+81N	+69B	−23N	3.0	20.0	20.0	4.50	794	0.0
54	Vakalopoulou, Vasiliki	1461	GRE	F	−22B	+79N	+51B	−17N	−19B	+62N	3.0	19.5	19.5	6.50	1384	-15.2
55	FIDE 541012453	0	—	−29N	−50B	+71B	+53N	−32B	−58N	+66B	3.0	19.0	21.0	7.00	666	0.0
56	Kratsas, Ippokratis	0	GRE	−3N	−44B	+?N	+30B	=?N	−48B	=51N	3.0	19.0	19.0	5.50	1449	0.0
57	Efkarpidis, Konstantinos	1484	GRE	=40N	F	F	+50B	−18N	+60B	=28N	3.0	17.5	17.5	9.25	1532	+3.6
58	Angelaina, Olga	0	GRE	−39N	+80B	−12N	+76B	−38N	+55B	−?B	3.0	16.0	16.0	4.50	749	0.0
59	Kalamara, Aikaterini	0	GRE	−19N	−?B	+80N	−69B	−30N	+81B	+72N	3.0	12.5	12.5	2.00	805	0.0
60	Misailidis, Simos	0	GRE	−7N	−66B	+75B	=65N	+46B	−57N	−45B	2.5	19.5	21.0	6.25	1303	0.0
61	Kalamaras, Dimitris	0	GRE	=16B	−46N	+70B	−41N	−45B	−65N	+76B	2.5	19.5	21.0	5.75	1206	0.0
62	Ley, Leonie	0	GRE	−37N	−15B	+72N	−?B	+?N	=50B	−54B	2.5	16.0	16.0	3.50	1284	0.0
63	Kotsocheilis, Theodoros	0	GRE	−5B	−27N	−53B	−75N	+71B	+80N	=?B	2.5	16.0	16.0	2.00	1206	0.0
64	Tufaner, Enver	0	TUR	+?N	−20B	−48N	+79B	−29N	=74B	−65B	2.5	16.0	16.0	1.75	1288	0.0
65	FIDE 541014685	0	—	−30N	F	F	=60B	−51N	+61B	+64N	2.5	14.5	14.5	6.25	784	0.0
66	Moutousis, Dimitrios	0	GRE	−14B	+60N	−18N	−33B	−52N	+76B	−55N	2.0	21.5	23.0	4.00	866	0.0
67	Kalamara, Eleni	0	GRE	−10B	+73N	−39N	+81B	−37N	−33B	−69N	2.0	20.0	20.0	2.00	794	0.0
68	FIDE 541014693	0	—	−48N	+72B	−29N	−43B	+77N	−30B	−50N	2.0	19.5	21.0	3.50	737	0.0
69	FIDE 541014723	0	—	−31B	F	−44N	+59N	−?B	−53N	+67B	2.0	15.5	15.5	5.00	776	0.0
70	Theodorakis, Theodoros	0	GRE	−47B	F	−61N	−45N	+78B	+75N	−44B	2.0	15.5	15.5	3.00	632	0.0
71	FIDE 42143063	0	—	−23N	−51B	−55N	−72B	−63N	+?B	+81N	2.0	14.5	14.5	0.00	725	0.0
72	Aronis, Georgios	0	GRE	−13B	−68N	−62B	+71N	+80B	−?N	−59B	2.0	14.0	14.0	2.00	767	0.0
73	FIDE 541012593	0	—	−12N	−67B	+77N	−74B	−49B	−?N	+80B	2.0	12.5	12.5	1.50	683	0.0
74	Deligiannis, Theodoros	0	GRE	−4N	F	−14B	+73N	−24B	=64N	−46B	1.5	22.0	22.0	3.25	846	0.0
75	Bekirai, Lorentzo	0	GRE	−21N	−18B	−60N	+63B	=76N	−70B	−52N	1.5	18.5	20.0	3.25	831	0.0
76	Skyrianoglou, Ioannis Evangelos	0	GRE	=32B	=?N	−27B	−58N	=75B	−66N	−61N	1.5	17.0	17.0	2.75	1335	0.0
77	FIDE 541014650	0	—	−1B	−26N	−73B	=?N	−68B	F	+79N	1.5	16.5	16.5	1.00	773	0.0
78	Pantelis, Athanasios Konstantinos	0	GRE	=46B	−16N	−?N	−?B	−70N	F	+?N	1.5	11.5	11.5	1.75	1253	0.0
79	FIDE 42197678	0	—	−35N	F	−54B	−64N	+?B	−46N	−77B	1.0	14.0	14.0	0.00	700	0.0
80	FIDE 42185254	0	—	−36B	−58N	−59B	F	−72N	−63B	−73N	0.0	16.0	16.0	0.00	714	0.0
81	FIDE 42196116	0	—	−25B	F	F	−67N	−53B	−59N	−71B	0.0	14.0	14.0	0.00	665	0.0
82	Mavrouleas, Panagiotis Petros	0	GRE	−38B	F	F	F	F	F	F	0.0	5.0	5.0	0.00	745	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Tufaner, AyazTUR
+80.8
5.0 pts · #9
2Deligiannis, AngelosGRE
+67.2
6.0 pts · #3
3Tatsis, ErmisGRE
+51.6
5.0 pts · #19

Top rating losers

1Vasilakopoulos, Panagiotis EleftheriosGRE
-66.0
3.5 pts · #33
2Kratidis, AnastasiosGRE
-32.8
4.0 pts · #29
3Michas, IasonasGRE
-28.8
4.0 pts · #43

Biggest upsets

R5+172 Elo gap
Stathakopoulou, Evangelia1434 beat Vasilakopoulos, Panagiotis Eleftherios1606
R7+170 Elo gap
Tatsis, Ermis1539 beat Kratidis, Anastasios1709
R2+162 Elo gap
Nikolaki, Dimitria1547 beat Kratidis, Anastasios1709