Summer Cup Open 2025 - Rhodes WCF Open 2025

SwissStandard

52 players participated in this 9-round tournament, held from 10 Jul 2025 to 18 Jul 2025 in Rhodes, Greece. 8 titled players from 8 federations. Top 10 Elo average was 2326, and top seed was Dimitris Alexakis (🇬🇷 GRE, GM, 2537).

Milovan Ratkovic (🇷🇸 SRB, GM, 2456) won with 8.0/9, ahead of Dimitris Alexakis (8.0) and Martin Petrov (7.5). Ratkovic shared the lead from round 7, winning on tie-break.

The biggest upset came in round 9: Antonios Spyrou (1812) beat Petar Ratkovic (FM, 2302), a +490-point gap.

Location

🇬🇷Rhodes, Greece

Dates

10 Jul 2025 → 18 Jul 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

🇬🇷GMDimitris Alexakis2537

Avg top 10

2,326

Participants

Titled players · 8

GM×4

FM×4

Federations · 8 represented

🇬🇷Greece×36

🇷🇸Serbia×3

🇲🇦Morocco×3

🇮🇹Italy×2

🇺🇦Ukraine×1

🇧🇬Bulgaria×1

🇨🇱Chile×1

🇰🇿Kazakhstan×1

Top 3

🥇
GMMilovan Ratkovic
🇷🇸SRB·2456
8.0pts·2588perf+14.5
🥈
GMDimitris Alexakis
🇬🇷GRE·2537
8.0pts·2649perf+10.7
🥉
GMMartin Petrov
🇧🇬BUL·2534
7.5pts·2550perf+3.6

How it unfolded

Top 6 · 9 rounds

Tight race until R9; 2 players tied at 8.0/9, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.

Co-leaders

Alexakis8Ratkovic8Petrov7.5Ratkovic6Stathatos6Makridis6

R9 · TIEBREAK CLUSTER

2 players finish on 8.0/9. Ratkovic takes the title on Buchholz Cut1 (50.0).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

GM Dimitris Alexakis lost to GM Milovan Ratkovic (Black).

WIN STREAKS · 3 top finishers

GM Dimitris Alexakis 3+5 wins (R1–R3, R5–R9)GM Milovan Ratkovic 4+3 wins (R1–R4, R7–R9)GM Martin Petrov 4 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1GMDimitris Alexakis	*	0	1	1
2GMMilovan Ratkovic	1	*	½	1
3GMMartin Petrov	0	½	*	—
4GMMiloje Ratkovic	0	0	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Ratkovic, MilovanGM	2456	SRB	+47N	+14B	+7N	+2B	=3B	=4N	+10B	+8N	+5N	8.0	50.0	52.5	45.75	2588	+14.5
2	Alexakis, DimitrisGM	2537	GRE	+23B	+12N	+4B	−1N	+5N	+6B	+3B	+28N	+9B	8.0	48.5	52.5	44.50	2649	+10.7
3	Petrov, MartinGM	2534	BUL	+17N	+11B	+9N	+13B	=1N	+28B	−2N	+6B	+4N	7.5	49.0	53.0	41.00	2550	+3.6
4	Makridis, DimitriosFM	2283	GRE	+45N	+19B	−2N	+14B	+7N	=1B	=5N	+13B	−3B	6.0	50.5	53.0	30.50	2351	+22.2
5	Ratkovic, MilojeGM	2489	SRB	+31B	+15N	=28B	+10N	−2B	+9N	=4B	+20N	−1B	6.0	47.0	51.0	30.00	2363	-10.1
6	Magini, Luca	2076	ITA	+32B	−16N	+23B	+8N	+12B	−2N	+24B	−3N	+28B	6.0	44.5	48.5	28.00	2084	+7.2
7	Stathatos, Alexandros	2070	GRE	+40N	+18B	−1B	+26N	−4B	−10N	+17B	+24N	+12B	6.0	43.5	47.0	27.50	2029	-4.4
8	Spyrou, Antonios	1812	GRE	+27N	F	+45B	−6B	+25N	+16B	+14N	−1B	+13N	6.0	40.5	40.5	26.50	2022	+35.8
9	Stamatiou, RodolfosFM	2269	GRE	+36B	+21N	−3B	+15N	+16N	−5B	=28N	+10B	−2N	5.5	46.0	50.0	26.50	2227	-1.6
10	Vardakas, Grigorios	2043	GRE	+29B	=24N	+30B	−5B	+11N	+7B	−1N	−9N	+23B	5.5	44.0	48.0	26.25	2048	+4.0
11	Komekbayev, Ramazan	1882	KAZ	+34B	−3N	+31B	+38N	−10B	−24N	+25B	+26N	=15B	5.5	39.5	43.0	23.00	1810	-26.4
12	Privitera, Franco	1923	ITA	+44N	−2B	+18N	+19B	−6N	+26B	−13N	+15B	−7N	5.0	44.5	47.5	22.50	1956	+6.6
13	Ratkovic, PetarFM	2302	SRB	+25B	+26N	+16B	−3N	−28N	+21B	+12B	−4N	−8B	5.0	43.5	47.5	24.00	2098	-36.6
14	Margaritis, Antonis	1826	GRE	+43B	−1N	+25B	−4N	+31B	=29N	−8B	=30N	+32B	5.0	40.5	43.5	19.50	1773	-11.0
15	Sioulis, Stergios	1830	GRE	+49N	−5B	+17N	−9B	+30B	=23N	+29B	−12N	=11N	5.0	39.5	41.5	20.00	1809	-7.4
16	Tsakiris, Nikolaos	1630	GRE	+33B	+6B	−13N	+46N	−9B	−8N	=38B	+29N	=20B	5.0	39.0	41.5	20.75	1834	+31.2
17	Taladianos, Ioannis	1607	GRE	−3B	+34N	−15B	−33N	+48N	+35B	−7N	+39N	+30B	5.0	38.0	40.5	18.00	1149	-15.2
18	Korinioti, Myrto	1620	GRE	+38B	−7N	−12B	+42N	−29B	+37N	=22N	=19B	+34B	5.0	36.5	39.5	19.50	1589	-15.6
19	Panaretos, Nikiforos	1726	GRE	+50B	−4N	+29B	−12N	=33B	=30N	+39B	=18N	=22B	5.0	36.5	38.5	18.50	1686	-7.8
20	Michelakis, Evaggelos	1755	GRE	=30B	−46N	+42B	−21N	+32B	+33N	+23B	−5B	=16N	5.0	35.5	38.0	20.00	1647	-19.8
21	Tiakoudis, Zaharias	1699	GRE	+51N	−9B	=43N	+20B	=24B	−13N	=30B	+38N	=26B	5.0	35.0	36.0	17.50	1793	+7.8
22	Vasilakis, Charidimos	1597	GRE	F	−29N	+34B	−32N	+36B	+31N	=18B	+41B	=19N	5.0	33.5	33.5	20.50	1638	+16.4
23	Diakidis Kostas, Michail Georgi	1610	GRE	−2N	+49B	−6N	+35B	+39N	=15B	−20N	+33B	−10N	4.5	41.0	43.0	16.00	1557	-10.8
24	Choullis, Agisilaos Georgios	1626	GRE	+39N	=10B	+46B	F	=21N	+11B	−6N	−7B	=25N	4.5	40.0	42.5	19.00	1838	+64.4
25	Papadopoulos, Antonios P	1552	GRE	−13N	+48B	−14N	+44B	−8B	+42N	−11N	+35B	=24B	4.5	36.0	38.5	14.75	1559	-5.2
26	Badrakova, Kseniya	1749	AUT	+48N	−13B	+40N	−7B	+45B	−12N	+43N	−11B	=21N	4.5	35.5	38.0	14.00	1712	-10.0
27	Fotiadis, Evangelos	0	GRE	−8B	−31N	+52B	−45N	=49B	+47N	−41N	+48B	+38B	4.5	26.5	27.0	10.00	1395	0.0
28	Trushko, AndriiFM	2241	UKR	+37N	+41B	=5N	F	+13B	−3N	=9B	−2B	−6N	4.0	46.5	50.0	18.25	2236	+1.4
29	Kechagioglou, Athanasios	1434	GRE	−10N	+22B	−19N	+41B	+18N	=14B	−15N	−16B	=33N	4.0	39.5	43.0	18.00	1686	+57.2
30	Fotiadis, Iordanis	0	GRE	=20N	+35B	−10N	+43B	−15N	=19B	=21N	=14B	−17N	4.0	39.5	42.5	17.00	1625	0.0
31	Tsompanoudis, Christodoulos	1587	GRE	−5N	+27B	−11N	+40B	−14N	−22B	=48N	=36B	+41N	4.0	37.0	39.5	14.75	1599	-4.8
32	Kaka, Rengina Tsampika	1483	GRE	−6N	=39B	−35N	+22B	−20N	=36B	+40N	+43B	−14N	4.0	36.0	39.0	15.25	1609	+31.2
33	Sioutis, Efthymios Georgios	0	GRE	−16N	−40B	+49N	+17B	=19N	−20B	+45B	−23N	=29B	4.0	34.5	36.5	14.00	1517	0.0
34	Dimitras, Alkinoos	0	GRE	−11N	−17B	−22N	+51B	−37N	+44N	+42B	+45B	−18N	4.0	33.0	34.0	9.50	1436	0.0
35	Papadopoulos, Stavros M	0	GRE	=46B	−30N	+32B	−23N	=38B	−17N	+37B	−25N	+47B	4.0	32.0	34.5	13.50	1565	0.0
36	Lamprianou, Marianna	1504	GRE	−9N	+51B	F	−39B	−22N	=32N	+46B	=31N	+42B	4.0	28.5	28.5	10.50	1572	+13.2
37	Lamprianou, Despoina	1495	GRE	−28B	−42N	F	+47N	+34B	−18B	−35N	+50B	+43N	4.0	27.5	27.5	11.50	1564	+7.2
38	Vasilakis, Stergos	0	GRE	−18N	+44B	+41N	−11B	=35N	=43B	=16N	−21B	−27N	3.5	35.5	38.5	12.50	1596	0.0
39	Tsimperopoulos, Petros	0	GRE	−24B	=32N	=47B	+36N	−23B	+46N	−19N	−17B	=40N	3.5	33.0	35.5	11.50	1497	0.0
40	Dimitriadis, Georgios Em	1437	GRE	−7B	+33N	−26B	−31N	−42B	+50N	−32B	+44N	=39B	3.5	32.0	34.0	10.75	1373	-19.6
41	Boudnani, Brahim	1678	MAR	+42B	−28N	−38B	−29N	+44B	=45N	+27B	−22N	−31B	3.5	31.0	33.5	11.75	1432	-40.2
42	Lemssaadi, Ayoub	0	MAR	−41N	+37B	−20N	−18B	+40N	−25B	−34N	+49B	−36N	3.0	33.5	35.5	9.50	1418	0.0
43	ELMANSSOURI, OMAR	0	MAR	−14N	+47B	=21B	−30N	+46B	=38N	−26B	−32N	−37B	3.0	32.5	35.0	9.25	1534	0.0
44	Patellis, Panormitis	1410	GRE	−12B	−38N	+48B	−25N	−41N	−34B	+52N	−40B	+49N	3.0	28.5	29.0	5.00	820	-42.0
45	Stavrianos, Alexandros	1541	GRE	−4B	F	−8N	+27B	−26N	=41B	−33N	−34N	+46B	2.5	35.0	37.0	8.75	1618	+14.0
46	Yarur Elsaca, Daniel	1655	CHI	=35N	+20B	−24N	−16B	−43N	−39B	−36N	+52B	−45N	2.5	31.5	32.0	7.50	1371	-35.6
47	Palazi, Galatia	1556	GRE	−1B	−43N	=39N	−37B	+52N	−27B	−50N	+51B	−35N	2.5	30.0	30.5	3.25	925	-26.8
48	Gkougkoustamos Sotirios	0	GRE	−26B	−25N	−44N	F	−17B	+49N	=31B	−27N	+51N	2.5	28.5	28.5	5.00	1216	0.0
49	FIDE 541009932	0	—	−15B	−23N	−33B	=52N	=27N	−48B	+51B	−42N	−44B	2.0	27.5	28.0	3.50	818	0.0
50	Kazas, Antonios Dionysios	0	GRE	−19N	F	F	F	+51N	−40B	+47B	−37N	F	2.0	19.0	19.0	3.50	1360	0.0
51	FIDE 42153670	0	—	−21B	−36N	F	−34N	−50B	+52B	−49N	−47N	−48B	1.0	22.5	22.5	0.50	785	0.0
52	FIDE 42153875	0	—	F	F	−27N	=49B	−47B	−51N	−44B	−46N	F	0.5	17.5	17.5	1.00	742	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Choullis, Agisilaos GeorgiosGRE
+64.4
4.5 pts · #18
2Kechagioglou, AthanasiosGRE
+57.2
4.0 pts · #16
3Spyrou, AntoniosGRE
+35.8
6.0 pts · #9

Top rating losers

1Patellis, PanormitisGRE
-42.0
3.0 pts · #52
2Boudnani, BrahimMAR
-40.2
3.5 pts · #37
3Ratkovic, PetarFMSRB
-36.6
5.0 pts · #10

Biggest upsets

R9+490 Elo gap
Spyrou, Antonios1812 beat FMRatkovic, Petar2302
R2+446 Elo gap
Tsakiris, Nikolaos1630 beat Magini, Luca2076
R6+256 Elo gap
Choullis, Agisilaos Georgios1626 beat Komekbayev, Ramazan1882