7th International Chess OPEN SKG - B

Open SwissStandard

93 players participated in this 9-round tournament, held from 08 Aug 2025 to 14 Aug 2025 in Thessaloniki, Greece. 1 titled players from 8 federations. Top 10 Elo average was 1878, and top seed was Pawel Dziubinski (🇵🇱 POL, 1970).

Pawel Dziubinski (🇵🇱 POL, 1970) won with 8.0/9, ahead of Ioannis Ntouvelos (7.5) and Ruichen Cai (7.0). Dziubinski won solo starting round 5.

The biggest upset came in round 7: Kyriaki Potiri (1568) beat Alexandros I Triantaphylidis (1845), a +277-point gap.

Location

🇬🇷Thessaloniki, Greece

Dates

08 Aug 2025 → 14 Aug 2025

Time control

Standard: 90 minutes for first 40 moves and 15 min. for the rest of the game with 30 sec. increment from move 1

System

Swiss · 9 rounds

Top seed

🇵🇱Pawel Dziubinski1970

Avg top 10

1,878

Participants

Titled players · 1

WCM×1

Federations · 8 represented

🇬🇷Greece×64

🇬🇪Georgia×6

🇩🇪Germany×5

🇹🇷Turkiye×4

🇨🇳China×4

🇭🇰Hong Kong China×3

🇦🇲Armenia×3

🇺🇦Ukraine×1

Top 3

🥇
Pawel Dziubinski
🇵🇱POL·1970
8.0pts·2115perf+23.4
🥈
Ioannis Ntouvelos
🇬🇷GRE·1756
7.5pts·2083perf+73.6
🥉
Ruichen Cai
🇨🇳CHN·1791
7.0pts·1937perf+61.6

How it unfolded

Top 6 · 9 rounds

Pawel Dziubinski led from R5; +0.5-point edge over the runner-up. Title race converged from 3 co-leaders at R4 to 1 by R5.

Co-leaders

Dziubinski8Ntouvelos7.5Khymchenko7Cai7Keramaros6.5Bokias6

R5–R9 · LEAD HELD

Pawel Dziubinski held the sole lead from R5 through R9 without losing it.

R6 · HEAD-TO-HEAD · WINNER VS 2ND

Pawel Dziubinski beat Ioannis Ntouvelos (White).

WIN STREAKS · 3 top finishers

Pawel Dziubinski 6 wins (R1–R6)Ioannis Ntouvelos 4+3 wins (R1–R4, R7–R9)Maksym Khymchenko 3 wins (R6–R8)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Pawel Dziubinski	*	1	½	1
2Ioannis Ntouvelos	0	*	—	1
3Maksym Khymchenko	½	—	*	—
4Ruichen Cai	0	0	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Dziubinski, Pawel	1970	POL	+52B	+27N	+22B	+6B	+7N	+2B	=12N	+3B	=4N	8.0	49.0	53.0	46.75	2115	+23.4
2	Ntouvelos, Ioannis	1756	GRE	+41N	+36B	+62N	+3B	=21B	−1N	+35B	+10N	+6N	7.5	45.5	49.5	39.00	2083	+73.6
3	Cai, Ruichen	1791	CHN	+61B	+28N	+16B	−2N	+23B	+19N	+32B	−1N	+7B	7.0	47.5	51.5	36.00	1937	+61.6
4	Khymchenko, Maksym	1775	UKR	+87N	−72B	+92N	+64B	=36N	+37B	+6N	+12B	=1B	7.0	37.0	37.5	28.25	1968	+87.2
5	Keramaros, Vasileios	1775	GRE	+83B	=13N	+88B	−21N	−24B	+72B	+20N	+35N	+17B	6.5	36.5	38.0	25.25	1839	+37.2
6	Bokias, Petros	1787	GRE	+73N	+64B	+8B	−1N	+76B	+18N	−4B	+32N	−2B	6.0	45.5	48.5	26.00	1895	+50.8
7	Gkaripis, Marios Ilias	1759	GRE	+79B	+51N	+84B	+76N	−1B	−35N	+18B	+22N	−3N	6.0	40.0	42.5	23.00	1884	+30.8
8	Kavkasidze, Ilia	1953	GEO	+44N	+39B	−6N	=38B	=66N	+53B	=22B	+24N	=19B	6.0	39.0	42.5	27.25	1837	-22.8
9	Marinidis, Stavros	1814	GRE	−13N	+80B	=25N	=14B	+70N	+64B	−11N	+38B	+23N	6.0	38.5	41.5	24.75	1737	-31.6
10	Chalkias, Michail Panagiotis	1787	GRE	=50B	+57N	=68B	−23N	+43B	+69N	+49B	−2B	+25N	6.0	37.5	41.0	24.75	1744	-16.4
11	Tsintsar, Zoran	1680	GER	+93B	−12N	+17B	−22N	+88B	+76N	+9B	=21N	=18B	6.0	37.0	37.5	21.75	1853	+42.4
12	Polyzos, Vasileios	1823	GRE	+65N	+11B	=38N	+13B	+35B	=22N	=1B	−4N	F	5.5	45.5	49.0	28.25	1863	+9.6
13	Samara, Vasiliki	1587	GRE	+9B	=5B	+26N	−12N	=49B	+31N	−21B	=46N	+35B	5.5	42.0	46.0	28.00	1875	+134.4
14	Chiu, Silas Nathaniel	1635	HKG	=35B	+42N	−21B	=9N	+27B	+29N	=17B	+36B	F	5.5	41.0	45.5	27.00	1919	+75.0
15	Zhang, Jingran	1871	CHN	+43B	−49N	+28B	−18N	+30B	+66N	=24B	+16N	F	5.5	40.0	43.5	26.00	1812	-14.8
16	Saltkhutsishvili, Sara	1715	GEO	+34N	+37B	−3N	−36B	+65N	=26B	+39N	−15B	+49N	5.5	40.0	43.5	24.00	1832	+64.0
17	Mistilioglou, Athanasios	1881	GRE	−64N	+61B	−11N	+77B	+25N	+39B	=14N	+45B	−5N	5.5	39.5	42.5	23.75	1745	-28.4
18	Fan, Jinxuan	1709	CHN	=55N	=74B	+91N	+15B	+62N	−6B	−7N	+26B	=11N	5.5	39.5	40.5	22.00	1756	+17.8
19	Papadopoulos, Alexadros Paris	1756	GRE	=23B	F	+63N	+68N	+29B	−3B	=36N	+37B	=8N	5.5	39.5	39.5	24.75	1892	+28.0
20	Stamatiadis, Georgios	1705	GRE	=85B	−88N	+57B	−50N	+42B	+30N	−5B	+39B	+37N	5.5	35.5	37.0	23.75	1669	-5.6
21	Kotsalis, Evagelos	1844	GRE	+24B	F	+14N	+5B	=2N	−32B	+13N	=11B	F	5.0	46.5	46.5	29.25	1845	+1.4
22	Baltakis, Ioannis	1790	GRE	+80N	+25B	−1N	+11B	+38N	=12B	=8N	−7B	F	5.0	44.0	44.0	24.25	1839	+11.0
23	Tsakiris, Sotirios	1542	GRE	=19N	=58B	+53N	+10B	−3N	+82B	−37N	+31B	−9B	5.0	42.0	45.0	22.75	1820	+62.8
24	Aral, Tunc	1638	TUR	−21N	+69B	+58N	=37B	+5N	=36B	=15N	−8B	=33N	5.0	41.0	44.5	23.75	1839	+87.0
25	Iliopoulos, Panagiotis	1669	GRE	+91B	−22N	=9B	=27N	−17B	+51N	+69B	+29N	−10B	5.0	40.0	41.0	19.00	1734	+30.0
26	Dimitrov, Georgi Y	1807	BUL	=68B	+70N	−13B	=43N	+59B	=16N	=28B	−18N	+42B	5.0	38.0	41.5	21.25	1657	-68.0
27	Rekhviashvili, Mariam	1758	GEO	+75N	−1B	=67N	=25B	−14N	=73B	=55N	+40B	+50N	5.0	37.5	40.5	19.25	1667	-37.6
28	Zaganas, Konstantinos	1680	GRE	+90N	−3B	−15N	=40B	+75N	+54B	=26N	+58B	F	5.0	37.5	38.5	16.75	1791	+24.2
29	Stathakopoulos, Panagiotis	1793	GRE	−72N	+73B	+44N	+48B	−19N	−14B	+41N	−25B	+52N	5.0	36.5	39.5	20.50	1683	-25.4
30	Asatiani, Natali	1526	GEO	−49N	+89B	+33N	=39B	−15N	−20B	=65N	+60B	+53N	5.0	36.0	37.5	18.50	1758	+106.8
31	Sazlik, Mucahit	1744	TUR	−38N	+83B	+40N	+72B	F	−13B	+56N	−23N	+59B	5.0	33.0	33.0	18.00	1648	-19.4
32	Maggos, Nikolaos	1711	GRE	+78B	−76N	+85B	+84N	+54B	+21N	−3N	−6B	F	5.0	33.0	33.0	17.00	1832	+26.4
33	Galanis, Emmanouil	1724	GRE	+81B	−84N	−30B	+79N	+51B	−62B	=40N	+57N	=24B	5.0	32.5	35.0	18.75	1651	-16.8
34	Baghramyan, Sofia	1487	ARM	−16B	−67N	−83N	+89B	+44N	=65B	=54N	+63B	+66N	5.0	31.0	32.5	17.25	1708	+102.8
35	Tsikerdanos, Konstantinos	1842	GRE	=14N	+40B	+45N	+49B	−12N	+7B	−2N	−5B	−13N	4.5	45.5	49.5	21.75	1701	-32.4
36	Pilitsidis, Christos	1903	GRE	+60B	−2N	+50B	+16N	=4B	=24N	=19B	−14N	F	4.5	45.0	49.0	22.25	1733	-64.8
37	Theoharidis, Georgios	1815	GRE	+59B	−16N	+52B	=24N	+47B	−4N	+23B	−19N	−20B	4.5	42.0	46.0	20.00	1678	-31.6
38	Toktas, Cagan	1527	TUR	+31B	+46N	=12B	=8N	−22B	−49N	+66B	−9N	=47B	4.5	40.5	44.0	21.00	1785	+112.4
39	Christou, Lambros	1750	GRE	+56B	−8N	+59B	=30N	+50B	−17N	−16B	−20N	+69B	4.5	39.5	43.0	18.00	1663	-20.0
40	Kelekis, Dimitrios	1520	GRE	+47B	−35N	−31B	=28N	=60B	+43N	=33B	−27N	+67B	4.5	37.5	41.0	19.50	1711	+87.6
41	Arampatzis, Christos	1531	GRE	−2B	=43N	=60B	=46N	+52B	=84N	−29B	=67N	+71B	4.5	36.5	39.0	17.00	1713	+82.4
42	Skodras, Dionysios Eleftherios	1421	GRE	=48N	−14B	=65N	+63B	−20N	+70B	+64N	=49B	−26N	4.5	35.5	39.0	17.00	1676	+118.0
43	Odontopoulos, Andreas	1650	GRE	−15N	=41B	+86N	=26B	−10N	−40B	+90N	=55B	+83N	4.5	34.0	35.0	12.25	1601	-23.2
44	Lamprinos, Athanasios Angelos	1666	GRE	−8B	+56N	−29B	−51N	−34B	+85N	+88N	+73B	=58N	4.5	33.5	35.0	13.00	1612	-24.7
45	Batsi, Lida	1688	GRE	=74N	+86B	−35B	−54N	+87B	+50N	+47B	−17N	F	4.5	32.0	34.0	14.00	1705	+6.4
46	Liu, Tian YiWCM	1763	HKG	+77N	−38B	−64N	=41B	=73N	+83B	+72N	=13B	F	4.5	31.5	34.0	15.00	1610	-60.4
47	Mitsopoulos, Ioannis	1740	GRE	−40N	=87B	+75N	+67B	−37N	+74B	−45N	=50B	=38N	4.5	31.5	33.5	14.75	1589	-65.7
48	Megasthenis, Michail	1684	GRE	=42B	=85N	+51B	−29N	−69B	−57N	=83N	+74B	+65N	4.5	30.0	32.5	15.25	1539	-66.0
49	Foinikianaki, Stella	1741	GRE	+30B	+15B	F	−35N	=13N	+38B	−10N	=42N	−16B	4.0	41.0	41.0	20.00	1656	-16.0
50	Potiri, Kyriaki	1568	GRE	=10N	+82B	−36N	+20B	−39N	−45B	+84B	=47N	−27B	4.0	37.5	40.0	16.25	1727	+71.2
51	Gharagyozyan, Kristina	1520	ARM	+53N	−7B	−48N	+44B	−33N	−25B	−63N	+77B	+89N	4.0	36.0	37.5	13.00	1630	+62.4
52	Fan, Shuhan	1668	CHN	−1N	+77B	−37N	=55B	−41N	+75B	=73N	+72B	−29B	4.0	35.0	38.0	12.50	1603	-15.3
53	Hervez, Marc	1738	FRA	−51B	+79N	−23B	+56N	+83B	−8N	=57B	=59N	−30B	4.0	35.0	37.5	13.50	1546	-44.4
54	Gioras, Ioannis	1830	GRE	=70B	−68N	+87B	+45B	−32N	−28N	=34B	=56N	=57B	4.0	34.5	36.5	14.75	1556	-61.2
55	Iliopoulos, Petros	1481	GRE	=18B	=71N	−66B	=52N	=67B	=59N	=27B	=43N	=68B	4.0	33.5	37.0	16.75	1619	+63.6
56	Gallos, Vasileios	1528	GRE	−39N	−44B	+61N	−53B	+92N	+71N	−31B	=54B	=70N	4.0	33.0	33.5	11.75	1652	+53.2
57	Ediberidze, Alexandra	1558	GEO	=82N	−10B	−20N	=93B	+90N	+48B	=53N	−33B	=54N	4.0	33.0	33.5	11.25	1633	+37.2
58	Giakoustidis, Spiros-Avgerinos	1773	GRE	F	=23N	−24B	−83N	+79B	+68N	+67B	−28N	=44B	4.0	32.0	32.0	14.75	1605	-35.0
59	Balafoutas, Dimitrios	1593	GRE	−37N	+90B	−39N	+91B	−26N	=55B	+74N	=53B	−31N	4.0	31.0	32.0	9.00	1582	-5.6
60	Sideris, Michail	1655	GRE	−36N	=75B	=41N	=74B	=40N	F	+79B	−30N	+78B	4.0	30.5	30.5	13.50	1565	-39.6
61	Zaires Karanasios, Konstantinos	1574	GRE	−3N	−17N	−56B	+80B	−74N	−90B	+86N	+88B	+73N	4.0	29.0	30.0	9.50	1522	-13.2
62	Stergioulas, Vasilis	1835	GRE	+67B	+66N	−2B	+71N	−18B	+33N	F	F	F	4.0	28.5	28.5	15.50	1828	-2.0
63	Makropoulos, Andreas	1614	GRE	−76B	+81N	−19B	−42N	F	+93N	+51B	−34N	+75B	4.0	28.5	28.5	10.50	1556	-15.2
64	Gourgari, Marianna	1653	GRE	+17B	−6N	+46B	−4N	+84B	−9N	−42B	=69N	F	3.5	39.5	39.5	14.25	1680	+5.0
65	Lytvynenko, Ivan	1603	GER	−12B	=78N	=42B	+85N	−16B	=34N	=30B	=71N	−48B	3.5	36.5	39.0	13.00	1505	-48.8
66	Classen, Marnin	1725	GER	+69N	−62B	+55N	F	=8B	−15B	−38N	+68N	−34B	3.5	36.0	36.0	14.00	1613	-47.2
67	Giouvanoudis, Sotirios Rafail	1622	GRE	−62N	+34B	=27B	−47N	=55N	+88B	−58N	=41B	−40N	3.5	35.5	37.0	13.25	1536	-43.2
68	Kaldirimtzis, Konstantinos Nikolaos	1583	GRE	=26N	+54B	=10N	−19B	−82N	−58B	+91N	−66B	=55N	3.5	35.0	36.0	12.50	1625	+15.6
69	Athanasopoulos, Nikolaos NA	1514	GRE	−66B	−24N	+80N	+92B	+48N	−10B	−25N	=64B	−39N	3.5	35.0	35.5	9.75	1601	+38.4
70	Classen, Miguel	1611	GER	=54N	−26B	+93N	F	−9B	−42N	=78B	+81N	=56B	3.5	30.0	30.0	9.00	1557	-25.2
71	Goetz, Georg	1684	GER	=86N	=55B	+74N	−62B	−72N	−56B	+77N	=65B	−41N	3.5	29.0	31.0	10.75	1472	-101.6
72	Zachariadis, Konstantinos G	1574	GRE	+29B	+4N	−76B	−31N	+71B	−5N	−46B	−52N	F	3.0	38.5	38.5	15.50	1664	+17.6
73	Adamaki, Angeliki	1565	GRE	−6B	−29N	=81B	+78N	=46B	=27N	=52B	−44N	−61B	3.0	36.0	39.0	11.25	1539	-16.4
74	Eleftheriou, Vasileios	1462	GRE	=45B	=18N	−71B	=60N	+61B	−47N	−59B	−48N	=81B	3.0	34.5	37.5	12.50	1523	+26.8
75	Avakyan, Gabriela	1544	ARM	−27B	=60N	−47B	+81N	−28B	−52N	=89N	+87B	−63N	3.0	31.5	33.0	7.75	1521	-12.0
76	Masa, Alexandros	1832	GRE	+63N	+32B	+72N	−7B	−6N	−11B	F	F	F	3.0	30.0	30.0	12.00	1689	-22.0
77	Tsivtsivadze, Dachi	1555	GEO	−46B	−52N	+90B	−17N	=85B	=78N	−71B	−51N	+86B	3.0	29.0	30.0	5.75	1462	-41.2
78	Tugay, Dogan	1482	TUR	−32N	=65B	−82N	−73B	+86N	=77B	=70N	=89B	−60N	3.0	27.0	28.5	7.75	1490	+1.2
79	Kalfopoulos, Naoum	1554	GRE	−7N	−53B	+89N	−33B	−58N	+92B	−60N	+90B	F	3.0	26.0	26.0	3.00	1586	+9.6
80	Tsotsakis, Ioannis	1573	GRE	−22B	−9N	−69B	−61N	F	=86B	+93N	=85B	+90N	3.0	24.5	24.5	3.75	1468	-24.4
81	Lioliosidi, Eirini	1507	GRE	−33N	−63B	=73N	−75B	=91N	=89B	+92N	−70B	=74N	3.0	24.0	24.5	4.75	1457	-26.8
82	Giannoulas, Christos	1774	GRE	=57B	−50N	+78B	=88N	+68B	−23N	F	F	F	3.0	21.0	21.0	9.25	1528	-36.2
83	Tsormpatzoglou, Eleftheria	1560	GRE	−5N	−31N	+34B	+58B	−53N	−46N	=48B	F	−43B	2.5	38.0	40.5	11.25	1560	-0.8
84	Triantaphylidis, Alexandros I	1845	GRE	+89N	+33B	−7N	−32B	−64N	=41B	−50N	F	F	2.5	32.0	32.0	8.75	1555	-53.0
85	Tsonoulis, Athanasios 41520	1480	GRE	=20N	=48B	−32N	−65B	=77N	−44B	F	=80N	=92B	2.5	29.5	29.5	8.25	1501	+7.2
86	Georgopoulos, Athanasios NA	1421	GRE	=71B	−45N	−43B	−87N	−78B	=80N	−61B	+93B	−77N	2.0	27.5	28.0	3.75	1354	-29.2
87	Leung, Joy San Lucas	1560	HKG	−4B	=47N	−54N	+86B	−45N	=91B	F	−75N	F	2.0	26.0	26.0	4.75	1469	-36.4
88	Eginoglou, Kalliopi	1435	GRE	F	+20B	−5N	=82B	−11N	−67N	−44B	−61N	F	1.5	33.0	33.0	7.00	1454	+3.6
89	Ignatiadis, Marios	1649	GRE	−84B	−30N	−79B	−34N	F	=81N	=75B	=78N	−51B	1.5	28.5	28.5	4.50	1305	-70.4
90	Botskaris, Dimitrios	1411	GRE	−28B	−59N	−77N	F	−57B	+61N	−43B	−79N	−80B	1.0	30.5	30.5	4.00	1267	-52.8
91	Nasioudis, Haralampos-Marios	1401	GRE	−25N	F	−18B	−59N	=81B	=87N	−68B	F	F	1.0	23.0	23.0	2.50	1332	-9.2
92	Mavroeidis, Petros	1657	GRE	F	F	−4B	−69N	−56B	−79N	−81B	F	=85N	0.5	23.0	23.0	1.25	1160	-130.4
93	Iliadou, Anna	1418	GRE	−11N	F	−70B	=57N	F	−63B	−80B	−86N	F	0.5	22.5	22.5	2.00	1176	-25.6

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Samara, VasilikiGRE
+134.4
5.5 pts · #17
2Skodras, Dionysios EleftheriosGRE
+118.0
4.5 pts · #44
3Toktas, CaganTUR
+112.4
4.5 pts · #48

Top rating losers

1Mavroeidis, PetrosGRE
-130.4
0.5 pts · #93
2Goetz, GeorgGER
-101.6
3.5 pts · #68
3Ignatiadis, MariosGRE
-70.4
1.5 pts · #88

Biggest upsets

R7+277 Elo gap
Potiri, Kyriaki1568 beat Triantaphylidis, Alexandros I1845
R2+270 Elo gap
Eginoglou, Kalliopi1435 beat Stamatiadis, Georgios1705
R8+268 Elo gap
Chiu, Silas Nathaniel1635 beat Pilitsidis, Christos1903