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XXXVI Open Internacional GROS XAKE Nazioarteko Irekia

SwissStandard

63 players participated in this 9-round tournament, held from 21 Jun 2026 to 28 Jun 2026 in Donostia, Spain. 12 titled players from 4 federations. Top 10 Elo average was 2301, and top seed was Salvador Gabriel Del Rio De Angelis (🇪🇸 ESP, GM, 2427).

Alex Browning (🇩🇪 GER, FM, 2313) won with 7.0/9, ahead of Alain Prieto Aranguren (7.0) and Salvador Gabriel Del Rio De Angelis (6.0). Browning shared the lead from round 6, winning on tie-break.

The biggest upset came in round 6: Xabier Yurramendi Sarasola (1545) beat Axel Rodriguez Lima (1817), a +272-point gap.

Location

🇪🇸Donostia, Spain

Dates

21 Jun 2026 → 28 Jun 2026

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 9 rounds

Top seed

🇪🇸GMSalvador Gabriel Del Rio De Angelis2427

Avg top 10

2,301

Participants

63

Titled players · 12

GM×2

IM×2

FM×4

CM×2

WFM×2

Federations · 4 represented

🇪🇸Spain×56

🇩🇪Germany×3

🇨🇺Cuba×1

🇨🇱Chile×1

Top 3

🥇
FMAlex Browning
🇩🇪GER·2313
7.0pts·2367perf+14.2
🥈
FMAlain Prieto Aranguren
🇪🇸ESP·2263
7.0pts·2287perf+12.6
🥉
GMSalvador Gabriel Del Rio De Angelis
🇪🇸ESP·2427
6.0pts·2432perf+1.0

How it unfolded

Top 6 · 9 rounds

Tight race until R9; 2 players tied at 7.0/9, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.

Co-leaders

23

7

7

2

2

5

1

1

2

Prieto Aranguren7Browning7Martel Bruniaux6Del Rio De Angelis6Urriza Iricibar6Odriozola Coscolin6

R9 · TIEBREAK CLUSTER

2 players finish on 7.0/9. Browning takes the title on Buchholz Cut1 (44.5).

R5–R8 · WIN STREAK

FM Alex Browning won 4 in a row (R5–R8).

R5 · LATE SURGE

CM Malko Martel Bruniaux was #13 at R5, climbed to #3 over the final stretch.

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1FMAlain Prieto Aranguren	*	—	—	0
2FMAlex Browning	—	*	—	½
3CMMalko Martel Bruniaux	—	—	*	0
4GMSalvador Gabriel Del Rio De Angelis	1	½	1	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Browning, AlexFM	2313	GER	+15N	+17B	=13N	−10B	+11B	+16N	+9B	+8N	=3B	7.0	44.5	49.5	38.25	2367	+14.2
2	Prieto Aranguren, AlainFM	2263	ESP	+34N	+39B	−3N	+23B	=27N	+17B	=8B	+4N	+9B	7.0	41.0	44.0	33.00	2287	+12.6
3	Del Rio De Angelis, Salvador GabrielGM	2427	ESP	F	+11N	+2B	=8N	+4B	=9N	=5B	+6B	=1N	6.0	48.5	48.5	36.50	2432	+1.0
4	Urriza Iricibar, PabloFM	2274	ESP	+25B	=41N	+9B	+18N	−3N	+13B	=7N	−2B	+17N	6.0	44.5	47.5	30.00	2249	-2.2
5	Roeder, MatthiasIM	2298	GER	+38N	=19B	+52N	=13B	=17N	+10B	=3N	=7B	=16B	6.0	42.0	44.5	28.00	2209	-6.8
6	Martel Bruniaux, MalkoCM	2214	ESP	+31B	=14N	+41B	=12N	−9B	+25N	+18B	−3N	+22B	6.0	41.0	44.0	27.00	2178	-4.0
7	Odriozola Coscolin, Alex	2206	ESP	+33N	F	+14B	=58N	+12B	=8N	=4B	=5N	+11B	6.0	39.0	39.0	29.50	2363	+36.0
8	Vesga Izeta, MarkelFM	2304	ESP	F	+20N	+26B	=3B	+10N	=7B	=2N	−1B	+13N	5.5	46.5	46.5	30.00	2320	+6.4
9	Sarasketa Irastortza, OierCM	2149	ESP	+40N	+23B	−4N	+39B	+6N	=3B	−1N	+24B	−2N	5.5	44.5	47.5	24.50	2189	+27.6
10	Gimenez Lopez, Zuhaitz	2202	ESP	+28B	+21N	=12B	+1N	−8B	−5N	+20B	−11N	+26B	5.5	44.0	48.5	28.75	2179	+1.0
11	Reguillaga Elias, Manex	2095	ESP	+50N	−3B	+15N	+30B	−1N	=19B	+27N	+10B	−7N	5.5	43.5	46.0	24.50	2097	+4.8
12	Campos Moreno, Javier B.GM	2373	CHI	+30N	+24B	=10N	=6B	−7N	+27B	=13N	=17B	=18N	5.5	42.0	46.0	26.50	2172	-19.1
13	Ros Alonso, JoanaWFM	2106	ESP	+56B	+49N	=1B	=5N	+58B	−4N	=12B	+36N	−8B	5.5	38.0	39.5	18.75	2246	+31.4
14	Sanchez Merino, Christian	1879	ESP	+62N	=6B	−7N	+33B	−16N	+15B	−36B	+34N	+25B	5.5	38.0	38.0	20.00	1986	+24.6
15	Used Zabalegui, Iosu	1792	ESP	−1B	+35N	−11B	+43N	=21B	−14N	+44B	+57N	+24N	5.5	37.0	38.5	18.00	1909	+52.4
16	Rodriguez Hernandez, Jose Angel	2134	CUB	+48N	F	−58B	+21N	+14B	−1B	+39N	+19B	=5N	5.5	35.5	35.5	24.00	2164	+10.6
17	Soto Avalos, Paulo	1989	ESP	+61B	−1N	+31B	+26N	=5B	−2N	+57B	=12N	−4B	5.0	41.5	42.5	16.75	2076	+39.2
18	Odriozola Coscolin, Dani	2144	ESP	+32B	F	+19N	−4B	=22N	+23B	−6N	+20N	=12B	5.0	41.5	41.5	24.25	2131	+1.6
19	Berdote Alonso, Carlos	1894	ESP	+51B	=5N	−18B	+48N	=20B	=11N	+26B	−16N	=21B	5.0	39.0	41.5	20.25	1998	+23.0
20	von Bargen, Lukas	2009	GER	+29N	−8B	=33N	+32B	=19N	+22B	−10N	−18B	+38N	5.0	37.5	41.0	20.75	1966	-7.8
21	Mijole Arizcuren, Inigo	1861	ESP	+42N	−10B	+37N	−16B	=15N	+29B	−24N	+33B	=19N	5.0	37.0	40.0	19.25	1865	+2.2
22	Martinez Gil, Kilian	1922	ESP	=57N	=37B	+40N	=24B	=18B	−20N	+28B	+23N	−6N	5.0	36.5	38.0	19.75	1907	-0.6
23	Rodriguez Vallejo, Julio	1856	ESP	+45B	−9N	+57B	−2N	+28B	−18N	+53B	−22B	+30N	5.0	36.0	37.5	15.00	1888	+2.4
24	Vilar Lopez, MonicaWFM	2020	ESP	+35B	−12N	+25B	=22N	=34B	=26N	+21B	−9N	−15B	4.5	39.0	42.5	19.50	1900	-27.2
25	De la Cruz Esteibarlanda, Ametz	1768	ESP	−4N	+29B	−24N	+37B	+59N	−6B	=33N	+41B	−14N	4.5	36.0	37.5	13.75	1886	+47.2
26	Moreno Lazarev, Haritz	1840	ESP	+53N	+59B	−8N	−17B	+40N	=24B	−19N	+32B	−10N	4.5	34.5	36.0	12.75	1914	+22.4
27	Lin, Zhian	1804	ESP	F	+50B	+54N	+36N	=2B	−12N	−11B	=29B	=39N	4.5	33.0	34.5	15.00	1952	+44.8
28	Soria Ayarzaguena, Iker	1734	ESP	−10N	+42B	−39N	+45B	−23N	+48B	−22N	=46B	+50N	4.5	30.0	32.5	12.50	1735	-4.4
29	Zubiria Mohedano, Aner	1618	ESP	−20B	−25N	+51B	+31N	=55B	−21N	+59B	=27N	−34B	4.0	31.0	32.5	11.25	1757	+59.6
30	Rodriguez Lima, Axel	1817	ESP	−12B	+56N	+49B	−11N	=36B	−57N	=46B	+43N	−23B	4.0	30.0	31.5	10.75	1750	-36.8
31	Reguillaga Otano, Juan	1747	ESP	−6N	+62B	−17N	−29B	+52N	+42B	=41N	=39B	F	4.0	26.5	26.5	8.50	1764	+2.0
32	Lazkano Gaite, Tomas	1706	ESP	−18N	F	+63B	−20N	−48B	+43N	+35B	−26N	+57B	4.0	25.0	25.0	8.00	1746	+5.4
33	Arroyo Rodriguez, David	1739	ESP	−7B	+61N	=20B	−14N	+53B	=55N	=25B	−21N	F	3.5	31.0	31.0	8.75	1768	+1.8
34	Garcia Lopez, Pedro 2015	1751	ESP	−2B	F	+60N	+52B	=24N	−36N	F	−14B	+29N	3.5	28.0	28.0	9.75	1835	+24.4
35	Garcia Nunez, Helena	1643	ESP	−24N	−15B	+62N	+54B	−39N	=40B	−32N	+51B	−41N	3.5	27.5	27.5	6.00	1625	-14.4
36	Zuloaga Erauskin, Markel	2022	ESP	F	F	+38N	−27B	=30N	+34B	+14N	−13B	F	3.5	26.5	26.5	14.50	1913	-14.8
37	Rodriguez Alvarez, Aian	1541	ESP	F	=22N	−21B	−25N	+49B	F	+40N	−38B	+48N	3.5	26.0	26.0	10.50	1732	+51.6
38	Ibarra Whittecar, Siena	1781	ESP	−5B	+43N	−36B	F	+60N	F	=55B	+37N	−20B	3.5	24.0	24.0	8.50	1830	+13.6
39	Izagirre Alsua, Aritz	1868	ESP	F	−2N	+28B	−9N	+35B	F	−16B	=31N	=27B	3.0	34.5	34.5	12.25	1875	-2.6
40	Ros Gorne, Ramon	1717	ESP	−9B	+51N	−22B	+49N	−26B	=35N	−37B	−44N	=52N	3.0	30.0	32.5	8.00	1526	-41.8
41	Vicente Ezeiza, Mikel	1957	ESP	+44N	=4B	−6N	F	F	F	=31B	−25N	+35B	3.0	27.0	27.0	11.50	1873	-11.8
42	Infante Arranz, Sergio	1430	ESP	−21B	−28N	−43B	+51N	+61B	−31N	−50N	+54B	−56N	3.0	25.5	26.5	5.50	1480	+13.2
43	Villar Marcelino, Gorka	1634	ESP	F	−38B	+42N	−15B	+45N	−32B	+54N	−30B	F	3.0	25.0	25.0	8.00	1465	-20.2
44	Campos Jimenez, Enrique	1589	ESP	−41B	F	−59N	−60B	+54N	+52B	−15N	+40B	−47N	3.0	21.5	21.5	7.50	1619	+0.6
45	Almandoz Zapiain, Santiago	0	ESP	−23N	−48B	F	−28N	−43B	−49N	+60N	+63B	+53B	3.0	20.5	20.5	3.00	1542	0.0
46	Gonzalez Charola, Alfonso	1674	ESP	F	F	F	F	F	+60B	=30N	=28N	+49B	3.0	12.0	12.0	7.75	1838	+13.0
47	Lertxundi Azpiazu, Jon	1926	ESP	+60B	F	F	F	F	F	F	+53N	+44B	3.0	6.0	6.0	6.00	2389	+4.8
48	Ruiz Anton, Adolfo	1683	ESP	−16B	+45N	F	−19B	+32N	−28N	F	=50B	−37B	2.5	28.0	28.0	8.25	1576	-18.8
49	FIDE 553075846	0	—	F	−13B	−30N	−40B	−37N	+45B	=51N	+52B	−46N	2.5	27.0	27.0	6.75	1478	0.0
50	Onate del Moral, Daniel	1653	ESP	−11B	−27N	+61B	F	F	−53N	+42B	=48N	−28B	2.5	23.0	23.0	5.25	1660	-1.8
51	Olaverri Ruiz, Imanol	1534	ESP	−19N	−40B	−29N	−42B	+63N	F	=49B	−35N	+60B	2.5	22.0	22.0	2.25	1470	-27.6
52	Koroteev, Mikhail	1568	ESP	F	+63N	−5B	−34N	−31B	−44N	+62B	−49N	=40B	2.5	22.0	22.0	1.50	1585	-0.4
53	FIDE 553069692	0	—	−26B	F	=55N	=59B	−33N	+50B	−23N	−47B	−45N	2.0	25.0	25.0	4.25	1662	0.0
54	Villacis Veliz, Samuel	0	ESP	F	F	−27B	−35N	−44B	+61N	−43B	−42N	+63N	2.0	18.0	18.0	1.00	1443	0.0
55	Esnaola Gaston, Fernando	1835	ESP	F	F	=53B	F	=29N	=33B	=38N	F	F	2.0	13.0	13.0	6.50	1713	-9.8
56	Iglesias Liroz, Joseba	1654	ESP	−13N	−30B	F	F	F	F	F	+62N	+42B	2.0	12.5	12.5	3.00	1708	+3.8
57	Yurramendi Sarasola, Xabier	1545	ESP	=22B	F	−23N	F	F	+30B	−17N	−15B	−32N	1.5	28.5	28.5	6.50	1647	+10.8
58	Argandona Riveiro, InigoIM	2333	ESP	F	F	+16N	=7B	−13N	F	F	F	F	1.5	21.5	21.5	8.50	2149	-7.2
59	Rodriguez Alvarez, Hugo	1888	ESP	F	−26N	+44B	=53N	−25B	F	−29N	F	F	1.5	18.0	18.0	4.00	1511	-76.4
60	Used Garzon, Ignacio Jesus	1588	ESP	−47N	F	−34B	+44N	−38B	−46N	−45B	F	−51N	1.0	21.5	21.5	3.00	1436	-44.4
61	Aretxabaleta Astoreka, Markel	1599	ESP	−17N	−33B	−50N	+63B	−42N	−54B	F	F	F	1.0	16.0	16.0	0.00	1424	-46.4
62	Agirre Santamaria, Juan Carlos	1531	ESP	−14B	−31N	−35B	F	F	F	−52N	−56B	F	0.0	17.5	17.5	0.00	898	-29.2
63	Marco Romero, Rufino	1508	ESP	F	−52B	−32N	−61N	−51B	F	F	−45N	−54B	0.0	15.0	15.0	0.00	802	-60.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Zubiria Mohedano, AnerESP
+59.6
4.0 pts · #26
2Used Zabalegui, IosuESP
+52.4
5.5 pts · #9
3Rodriguez Alvarez, AianESP
+51.6
3.5 pts · #38

Top rating losers

1Rodriguez Alvarez, HugoESP
-76.4
1.5 pts · #60
2Marco Romero, RufinoESP
-60.0
0.0 pts · #62
3Aretxabaleta Astoreka, MarkelESP
-46.4
1.0 pts · #59

Biggest upsets

R6+272 Elo gap
Yurramendi Sarasola, Xabier1545 beat Rodriguez Lima, Axel1817
R7+270 Elo gap
Zubiria Mohedano, Aner1618 beat Rodriguez Alvarez, Hugo1888
R9+228 Elo gap
Used Zabalegui, Iosu1792 beat WFMVilar Lopez, Monica2020

XXXVI Open Internacional GROS XAKE Nazioarteko Irekia (2026) — Donostia, Spain | Chess Tournament Results | ChessStats