Campeonato Navarro de Invierno 2026 Rondas 1-2

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66 players participated in this 2-round tournament, held from 17 Jan 2026 to 24 Jan 2026 in Pamplona, Spain. 2 federations represented. Top 10 Elo average was 1800, and top seed was Oskar Lazkoz Diez (🇪🇸 ESP, 1916).

Joseba Otano Villanueva (🇪🇸 ESP, 1737) won with 2.0/2, ahead of Imanol Migueltorena Tellechea (2.0) and Axel Roviralta Montero (2.0). Otano Villanueva won on tie-break after catching the field in the final round.

The biggest upset came in round 1: Asier Lamelas San Martin (1490) beat Aitor Lizarraga Lorenzo (1800), a +310-point gap.

Location

🇪🇸Pamplona, Spain

Dates

17 Jan 2026 → 24 Jan 2026

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 2 rounds

Top seed

🇪🇸Oskar Lazkoz Diez1916

Avg top 10

1,800

Participants

Federations · 2 represented

🇪🇸Spain×60

🇨🇺Cuba×2

Top 3

🥇
Joseba Otano Villanueva
🇪🇸ESP·1737
2.0pts·2316perf+9.0
🥈
Imanol Migueltorena Tellechea
🇪🇸ESP·1711
2.0pts·2304perf+19.2
🥉
Axel Roviralta Montero
🇪🇸ESP·1891
2.0pts·2346perf+4.6

Grille américaine

#	Player	Elo	Fed	R1	R2	Pts	Bu C1	Bu	SB	Perf	Δ
1	Otano Villanueva, Joseba	1737	ESP	+19B	+18N	2.0	1.0	2.0	2.00	2316	+9.0
2	Migueltorena Tellechea, Imanol	1711	ESP	+16B	+17N	2.0	1.0	2.0	2.00	2304	+19.2
3	Roviralta Montero, Axel	1891	ESP	+52N	+13B	2.0	1.0	1.0	1.00	2346	+4.6
4	Molinero Castejon, Diego	1684	ESP	+51N	+15B	2.0	1.0	1.0	1.00	2247	+16.4
5	Lasaosa Medarde, Daniel	1787	ESP	+53B	+14N	2.0	1.0	1.0	1.00	2331	+7.6
6	Romero Arribas, Florentino	1644	ESP	+20B	+50N	2.0	1.0	1.0	1.00	2259	+10.6
7	Indurain Eraso, Esteban	1582	ESP	+49B	+12N	2.0	1.0	1.0	1.00	2579	+15.0
8	Otazu Casanes, Abel	1827	ESP	+21B	=10N	1.5	1.5	2.5	1.75	1721	-8.4
9	Lasaosa Espinosa, Javier	1699	ESP	+55B	=11N	1.5	1.5	1.5	0.75	1700	+0.4
10	Alegre Braco, Izan	1587	ESP	+56N	=8B	1.5	1.5	1.5	0.75	1827	+13.6
11	Los Arcos Moreno, Mikel	1577	ESP	+54N	=9B	1.5	1.5	1.5	0.75	1700	+6.8
12	Martinez Zazo, Jesus	1780	ESP	+28N	−7B	1.0	2.0	3.0	1.00	1530	-12.0
13	Echeverria Mendivil, Ariane	1588	ESP	+25B	−3N	1.0	2.0	3.0	1.00	1092	-5.6
14	Nogaledo Garcia, Enzo	1583	ESP	+26N	−5B	1.0	2.0	3.0	1.00	985	-9.6
15	Lamelas San Martin, Asier	1490	ESP	+44B	−4N	1.0	2.0	2.5	0.50	1743	+24.4
16	Zubero Goni, Ioritz	1446	ESP	−2N	+54B	1.0	2.0	2.0	0.00	911	-6.4
17	Pan, Haoquan	1578	ESP	+57B	−2B	1.0	2.0	2.0	0.00	911	-12.8
18	Echaide Oscoz, Arian	1578	ESP	+58N	−1B	1.0	2.0	2.0	0.00	937	-11.6
19	Casimiro Santiago, Hugo	1453	ESP	−1N	+58B	1.0	2.0	2.0	0.00	937	-6.4
20	Guardado Otero, Thalia	1402	CUB	−6N	+62B	1.0	2.0	2.0	0.00	844	-8.0
21	Rey Bacaicoa, Ion	1510	ESP	−8N	+61B	1.0	1.5	1.5	0.00	1027	-5.2
22	Elia Aldave, Inigo	1703	ESP	+29N	F	1.0	1.0	1.0	1.00	2265	+4.0
23	Alfaro Aldunate, Amaya	1737	ESP	+30N	F	1.0	1.0	1.0	1.00	2255	+6.4
24	Merino Echeverria, Daniel	1716	ESP	+27N	F	1.0	1.0	1.0	1.00	2251	+3.6
25	Elizalde Valganon, Yago	0	ESP	−13N	+52B	1.0	1.0	1.0	0.00	1546	0.0
26	Grandas Fernandez, Miguel	0	ESP	−14B	+53N	1.0	1.0	1.0	0.00	1531	0.0
27	Garriz Alexeev, Alex	1450	ESP	−24B	+57N	1.0	1.0	1.0	0.00	917	-7.2
28	Goya Suescun, Unax	1478	ESP	−12B	+63N	1.0	1.0	1.0	0.00	979	-6.0
29	Sanchez Lorente, Jose Antonio	1441	ESP	−22B	+59N	1.0	1.0	1.0	0.00	903	-8.0
30	Font Martinez, Alvaro	1462	ESP	−23B	+49N	1.0	1.0	1.0	0.00	937	-6.4
31	Sanchez Gonzalez, Luis Miguel	0	ESP	=43B	=44N	1.0	0.5	1.0	0.50	1667	0.0
32	Esain Larumbe, Enzo	1657	ESP	F	+43N	1.0	0.5	0.5	0.50	2332	+13.2
33	Santesteban Quesada, Otto	1466	ESP	F	+46B	1.0	0.5	0.5	0.50	2374	+26.0
34	Lazkoz Diez, Oskar	1916	ESP	F	+45N	1.0	0.5	0.5	0.50	2373	+2.4
35	Diego Diez, Carlos	0	ESP	+?B	−?N	1.0	0.0	0.0	0.00	1602	0.0
36	Vicuna Juarez, Xabier	0	ESP	F	+51B	1.0	0.0	0.0	0.00	1425	0.0
37	Sancinena Arpide, Juan	1757	ESP	F	+65B	1.0	0.0	0.0	0.00	2336	+4.4
38	Ruiz Anton, Adolfo	1691	ESP	F	+64N	1.0	0.0	0.0	0.00	2336	+5.8
39	Arbella Alcala, Markel	0	ESP	−?B	+?N	1.0	0.0	0.0	0.00	1602	0.0
40	Echeverria Mendivil, Alex	0	ESP	+?N	−?B	1.0	0.0	0.0	0.00	1601	0.0
41	Sanchez Hernandez, Kevin	0	ESP	F	+55N	1.0	0.0	0.0	0.00	1457	0.0
42	Layana Medrano, Oier	1767	ESP	+60B	F	1.0	0.0	0.0	0.00	2279	+3.2
43	Nieto Gomez, Pedro	1532	ESP	=31N	−32B	0.5	1.0	2.0	0.50	854	-6.6
44	Lizarraga Lorenzo, Aitor	1800	ESP	−15N	=31B	0.5	1.0	2.0	0.50	689	-34.4
45	Capapay Terciado, Oier	1573	ESP	=47N	−34B	0.5	1.0	1.5	0.25	1116	-4.8
46	Arraiza Garcia, Sofia	1575	ESP	=48B	−33N	0.5	1.0	1.5	0.25	666	-26.0
47	Munoz Barber, Eneko	0	ESP	=45B	−?N	0.5	0.5	0.5	0.25	1405	0.0
48	Migueltorena Tellechea, Unai	0	ESP	=46N	F	0.5	0.5	0.5	0.25	1574	0.0
49	Guardado Otero, Thais	0	CUB	−7N	−30B	0.0	2.0	3.0	0.00	719	0.0
50	Lacasta Perez, Xabier	1515	ESP	F	−6B	0.0	2.0	3.0	0.00	844	-6.6
51	Castillo Alegre, Oier	1404	ESP	−4B	−36N	0.0	2.0	3.0	0.00	884	-6.4
52	San Martin Coloma, Mark	1512	ESP	−3B	−25N	0.0	2.0	3.0	0.00	1092	-3.6
53	Miranda San Martin, Mario	1479	ESP	−5N	−26B	0.0	2.0	3.0	0.00	985	-5.6
54	Martinez De Sabarte Capanaga, Idoia	0	ESP	−11B	−16N	0.0	1.5	2.5	0.00	702	0.0
55	Lasaosa Espinosa, Mateo	1437	ESP	−9N	−41B	0.0	1.5	2.5	0.00	900	-7.2
56	Escamez Perez, Buenaventura	0	ESP	−10B	F	0.0	1.5	1.5	0.00	746	0.0
57	FIDE 523002921	0	—	−17N	−27B	0.0	1.0	2.0	0.00	715	0.0
58	FIDE 553013999	0	—	−18B	−19N	0.0	1.0	2.0	0.00	716	0.0
59	FIDE 523049839	0	—	−?N	−29B	0.0	1.0	1.0	0.00	680	0.0
60	Alfaro Aldunate, Adrian	1474	ESP	−42N	F	0.0	1.0	1.0	0.00	967	-6.4
61	Elicegui Gomez, Aitor	0	ESP	−?B	−21N	0.0	1.0	1.0	0.00	752	0.0
62	Tabar Rodriguez, Miguel	0	ESP	−?B	−20N	0.0	1.0	1.0	0.00	662	0.0
63	FIDE 553028007	0	—	−?N	−28B	0.0	1.0	1.0	0.00	731	0.0
64	Arbizu Catalan, Julen	1535	ESP	F	−38B	0.0	1.0	1.0	0.00	891	-11.6
65	Ruiz de Larramendi Piqueras, IbaI	1536	ESP	F	−37N	0.0	1.0	1.0	0.00	957	-8.8
66	Bengoetxea Checa, Iosu	0	ESP	−?N	−?B	0.0	0.0	0.0	0.00	801	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Santesteban Quesada, OttoESP
+26.0
1.0 pts · #13
2Lamelas San Martin, AsierESP
+24.4
1.0 pts · #16
3Migueltorena Tellechea, ImanolESP
+19.2
2.0 pts · #5

Top rating losers

1Lizarraga Lorenzo, AitorESP
-34.4
0.5 pts · #56
2Arraiza Garcia, SofiaESP
-26.0
0.5 pts · #49
3Pan, HaoquanESP
-12.8
1.0 pts · #34

Biggest upsets

R1+310 Elo gap
Lamelas San Martin, Asier1490 beat Lizarraga Lorenzo, Aitor1800
R2+198 Elo gap
Indurain Eraso, Esteban1582 beat Martinez Zazo, Jesus1780
R2+109 Elo gap
Santesteban Quesada, Otto1466 beat Arraiza Garcia, Sofia1575