Campeonato Tercera de Euskadi - Zonal de Bizkaia 2025 Rondas 1-3

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76 players participated in this 3-round tournament, held from 11 Oct 2025 to 25 Oct 2025 in Bilbao, Spain. 2 federations represented. Top 10 Elo average was 1754, and top seed was Leonel Gabriel Soriano Azcona (🇪🇸 ESP, 1877).

Sergio Perez Pacheco (🇪🇸 ESP, 1553) won with 3.0/3, ahead of Peio Garaizar Barrio (3.0) and Markel Doval Garmendia (3.0).

The biggest upset came in round 2: Liberys Ernesto Heredia Mateo (1596) beat Fabio Arango (1866), a +270-point gap.

Location

🇪🇸Bilbao, Spain

Dates

11 Oct 2025 → 25 Oct 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 3 rounds

Top seed

🇪🇸Leonel Gabriel Soriano Azcona1877

Avg top 10

1,754

Participants

Federations · 2 represented

🇪🇸Spain×72

🇨🇴Colombia×1

Top 3

🥇
Sergio Perez Pacheco
🇪🇸ESP·1553
3.0pts·2486perf+27.0
🥈
Peio Garaizar Barrio
🇪🇸ESP·1709
3.0pts·2342perf+34.0
🥉
Markel Doval Garmendia
🇪🇸ESP·1661
3.0pts·2378perf+30.4

How it unfolded

Top 6 · 3 rounds

Tight race until R3; 5 players tied at 3.0/3, decided on Buchholz.

Co-leaders

Garaizar Barrio3Doval Garmendia3Perez Pacheco3Garcia de la Coba3Rodriguez Valgoma3Redondo Prieto2.5

R3 · TIEBREAK CLUSTER

5 players finish on 3.0/3. Perez Pacheco takes the title on Buchholz Cut1 (3.5).

WIN STREAKS · 3 top finishers

Peio Garaizar Barrio 3 wins (R1–R3)Markel Doval Garmendia 3 wins (R1–R3)Sergio Perez Pacheco 3 wins (R1–R3)

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	Pts	Bu C1	Bu	SB	Perf	Δ
1	Perez Pacheco, Sergio	1553	ESP	+29B	+13N	+36B	3.0	3.5	4.5	4.50	2486	+27.0
2	Garaizar Barrio, Peio	1709	ESP	+32B	+56N	+11B	3.0	3.0	3.5	3.50	2342	+34.0
3	Doval Garmendia, Markel	1661	ESP	+55N	+35B	+14N	3.0	3.0	3.5	3.50	2378	+30.4
4	Garcia de la Coba, Javier Ayoze	1651	ESP	+64N	+42B	+12N	3.0	3.0	3.0	3.00	2327	+13.4
5	Rodriguez Valgoma, Irina	1647	ESP	+67B	+31N	+17B	3.0	3.0	3.0	3.00	2241	+9.6
6	Redondo Prieto, Aitor	1574	ESP	+63N	=7B	+27N	2.5	4.0	4.0	2.75	1953	+39.2
7	Leal Martinez, Xabier	1744	ESP	+39B	=6N	+44B	2.5	3.5	4.5	3.25	1720	-0.8
8	Vazquez Reyes, David	1550	ESP	+70B	+33B	=10N	2.5	3.5	3.5	2.25	1859	+32.8
9	Gonzalez Cabezuelo, Francisco Javier	1600	ESP	+28N	=27B	+71N	2.5	3.0	3.0	2.25	1776	+9.2
10	Pose Segura, Erik	1659	ESP	+65B	+57N	=8B	2.5	3.0	3.0	1.75	1737	+7.2
11	Ocio Fernandez, David	1617	ESP	+68N	+16B	−2N	2.0	5.0	5.0	2.00	909	-14.8
12	Heredia Mateo, Liberys Ernesto	1596	ESP	+30B	+34N	−4B	2.0	4.5	5.5	2.50	1759	+16.4
13	Elias Gonzalez, Dario	1730	ESP	+69N	−1B	+31N	2.0	4.0	4.0	1.00	1610	-16.0
14	Azcondo Blanco, Juan Antonio	1615	ESP	+37B	+60N	−3B	2.0	4.0	4.0	1.00	862	-17.2
15	Martinez Cordovi, Juan	1762	ESP	+61N	−19B	+32N	2.0	3.0	3.0	1.00	1635	-17.2
16	Salva Aguirre, Jose Antonio	0	ESP	+?B	−11N	+38B	2.0	3.0	3.0	1.00	1574	0.0
17	Abaitua Jacob, Luis	0	ESP	+?B	+?B	−5N	2.0	3.0	3.0	0.00	1652	0.0
18	Soriano Azcona, Leonel Gabriel	1877	ESP	+38B	+41N	F	2.0	2.0	2.0	2.00	2359	+10.8
19	Gonzalez Esteban, Mikel	1582	ESP	+66B	+15N	F	2.0	2.0	2.0	2.00	2562	+29.6
20	Agirre Santamaria, Juan Carlos	1608	ESP	+45B	F	+40N	2.0	2.0	2.0	2.00	2303	+7.2
21	Martinez Gonzalez, David	1496	ESP	−34B	+37N	+60B	2.0	2.0	2.0	1.00	1066	-2.0
22	Garcia-Campomanes Suarez, Borja	0	ESP	−?N	+62B	+33N	2.0	1.0	1.0	1.00	1685	0.0
23	Munecas Delgado, Karlos	0	ESP	+?B	F	+?B	2.0	0.0	0.0	0.00	1542	0.0
24	Mateo Rodera, Luis Ignacio	0	ESP	+?N	F	+?B	2.0	0.0	0.0	0.00	1657	0.0
25	Nader, Karam	0	ESP	+?B	+?N	F	2.0	0.0	0.0	0.00	1642	0.0
26	Dementei, Emanuel	0	ESP	+?B	F	+?N	2.0	0.0	0.0	0.00	1616	0.0
27	Garcia Bajo, Ander Polentzi	1776	ESP	+43B	=9N	−6B	1.5	5.0	6.0	2.25	1555	-33.2
28	Losada Arroyo, Alvaro	0	ESP	−9B	+43N	=56B	1.5	3.5	4.0	1.25	1547	0.0
29	Pampliega Diez, Koldo	0	ESP	−1N	=55B	+62N	1.5	3.5	3.5	0.25	1627	0.0
30	Merino Gutierrez, Josete	0	ESP	−12N	+61B	=?N	1.5	2.0	2.0	0.00	1569	0.0
31	Rodriguez Rodriguez, Lara	1440	ESP	+62N	−5B	−13B	1.0	5.0	5.0	0.00	1567	+16.8
32	Merino Buedo, Aitor	1459	ESP	−2N	+63B	−15B	1.0	5.0	5.0	0.00	936	-13.2
33	Saez De Buruaga Zurita, Unai	1673	ESP	+48B	−8N	−22B	1.0	4.5	5.5	1.00	750	-26.8
34	Arango, Fabio	1866	COL	+21N	−12B	F	1.0	4.0	5.0	2.00	1546	-29.2
35	Leguina Elorrieta, Juan Pedro	1540	ESP	+58B	−3N	F	1.0	4.0	4.5	0.50	862	-13.2
36	Miguel Ortiz, Iker	1639	ESP	F	+49B	−1N	1.0	4.0	4.0	1.00	1530	-12.0
37	Hiribarnegarai Zuazo, Peru	0	ESP	−14N	−21B	+61N	1.0	4.0	4.0	0.00	1408	0.0
38	Redero Calderon, Ismael	1509	ESP	−18N	+68B	−16N	1.0	4.0	4.0	0.00	1077	-4.0
39	Matesanz Moreno, Aitor	1479	ESP	−7N	+66B	F	1.0	3.5	3.5	0.00	944	-7.2
40	Larranaga Martinez, Jakes	1503	ESP	F	+50N	−20B	1.0	3.0	3.0	1.00	1598	+10.0
41	Fernandez Alonso, Luis Ignacio	1609	ESP	F	−18B	+47N	1.0	3.0	3.0	1.00	1077	-3.4
42	Vegas Garcia, Markel	1458	ESP	+73B	−4N	F	1.0	3.0	3.0	0.00	1677	+22.0
43	Casan Abia, David	1491	ESP	−27N	−28B	+66N	1.0	3.0	3.0	0.00	976	-6.4
44	Garcia Gallego, Violeta	0	ESP	F	+?B	−7N	1.0	2.5	2.5	0.00	1626	0.0
45	Lopez Azkue, Iraitz	0	ESP	−20N	F	+69B	1.0	2.0	2.0	0.00	1535	0.0
46	Rodriguez Blanco, Argider	0	ESP	+?B	−?B	F	1.0	1.0	1.0	0.00	1583	0.0
47	Gonzalez Gadea, Edson Danilo	0	ESP	−?B	+?N	−41B	1.0	1.0	1.0	0.00	1464	0.0
48	Albistur Al Chaarani, Enaitz	0	ESP	−33N	+?B	−?N	1.0	1.0	1.0	0.00	850	0.0
49	Setien Gomez, Jose Ignacio	1507	ESP	F	−36N	+72B	1.0	1.0	1.0	0.00	841	-6.4
50	Larranaga Martinez, Mikel	1584	ESP	F	−40B	+65N	1.0	1.0	1.0	0.00	703	-24.4
51	Trebolazabala Ortiz, Harriet	0	ESP	+?B	F	−?N	1.0	0.0	0.0	0.00	1571	0.0
52	Gurtubay Garcia, Eder	0	ESP	−?N	+?N	−?B	1.0	0.0	0.0	0.00	1462	0.0
53	Garcia De Eulate Latorre, Asier	0	ESP	−?B	−?N	+?B	1.0	0.0	0.0	0.00	1457	0.0
54	Plaza Laga, Aitor	0	ESP	F	F	+?N	1.0	0.0	0.0	0.00	1572	0.0
55	Berrueta Acebes, Aitor	0	ESP	−3B	=29N	F	0.5	4.5	4.5	0.75	862	0.0
56	Pesquera Lopez, Ibon	1551	ESP	F	−2B	=28N	0.5	4.5	4.5	0.75	909	-11.6
57	Iturgaiz Lopez, Mikel	1537	ESP	F	−10B	=58N	0.5	3.0	3.0	0.25	859	-13.2
58	Saez De Buruaga Zurita, Mikel	0	ESP	−35N	F	=57B	0.5	1.5	1.5	0.25	1346	0.0
59	Iriarte Gabikagogeaskoa, Inaki	0	ESP	=?B	F	−?N	0.5	0.0	0.0	0.00	1391	0.0
60	Voz Ortiz, Rodrigo	0	ESP	F	−14B	−21N	0.0	4.0	4.0	0.00	755	0.0
61	Redero Calderon, Azahara	1490	ESP	−15B	−30N	−37B	0.0	3.5	4.5	0.00	962	-6.8
62	Uriel Moreno, Jose Luis	1700	ESP	−31B	−22N	−29B	0.0	3.5	4.5	0.00	641	-32.8
63	FIDE 535070145	0	—	−6B	−32N	F	0.0	3.5	3.5	0.00	717	0.0
64	FIDE 535060816	0	—	−4B	F	F	0.0	3.5	3.5	0.00	851	0.0
65	Cocinero Perez, Emilio J.	0	ESP	−10N	F	−50B	0.0	3.5	3.5	0.00	823	0.0
66	Osco Garcia, Ander	0	ESP	−19N	−39N	−43B	0.0	3.0	4.0	0.00	717	0.0
67	Fernandez Arce, Egoitz	0	ESP	−5N	F	F	0.0	3.0	3.0	0.00	847	0.0
68	FIDE 553003411	0	—	−11B	−38N	F	0.0	3.0	3.0	0.00	763	0.0
69	Bardon Yela, Angel	1461	ESP	−13B	F	−45N	0.0	3.0	3.0	0.00	930	-6.8
70	Ribacova Garcia, Unax	0	ESP	−8N	F	−?B	0.0	2.5	2.5	0.00	804	0.0
71	Fontecha Ortiz, Ivan	0	ESP	F	F	−9B	0.0	2.5	2.5	0.00	800	0.0
72	Mihai Streche, Robert	0	ESP	F	F	−49N	0.0	1.5	1.5	0.00	706	0.0
73	Rawlings, Peter	1703	ESP	−42N	F	F	0.0	1.0	1.0	0.00	658	-32.0
74	De Pablos Gonzalez, Francisco Javier	0	ESP	−?N	F	F	0.0	0.0	0.0	0.00	953	0.0
75	Caballero Sandoval, Ander	0	ESP	−?N	F	−?B	0.0	0.0	0.0	0.00	681	0.0
76	Fernandez Diaz, Javier	0	ESP	−?N	F	−?N	0.0	0.0	0.0	0.00	702	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Redondo Prieto, AitorESP
+39.2
2.5 pts · #17
2Garaizar Barrio, PeioESP
+34.0
3.0 pts · #1
3Vazquez Reyes, DavidESP
+32.8
2.5 pts · #18

Top rating losers

1Garcia Bajo, Ander PolentziESP
-33.2
1.5 pts · #15
2Uriel Moreno, Jose LuisESP
-32.8
0.0 pts · #63
3Rawlings, PeterESP
-32.0
0.0 pts · #73

Biggest upsets

R2+270 Elo gap
Heredia Mateo, Liberys Ernesto1596 beat Arango, Fabio1866
R1+260 Elo gap
Rodriguez Rodriguez, Lara1440 beat Uriel Moreno, Jose Luis1700
R1+245 Elo gap
Vegas Garcia, Markel1458 beat Rawlings, Peter1703