Campeonato Navarro de Invierno 2026 Rondas 4-6
Open SwissStandard
72 players participated in this 6-round tournament, held from 07 Feb 2026 to 21 Feb 2026 in Pamplona, Spain. 2 federations represented. Top 10 Elo average was 1796, and top seed was Oskar Lazkoz Diez (🇪🇸 ESP, 1920).
Jesus Martinez Zazo (🇪🇸 ESP, 1765) won with 2.5/6, ahead of Daniel Lasaosa Medarde (2.5) and Imanol Migueltorena Tellechea (2.0). Martinez Zazo won on tie-break after catching the field in the final round.
The biggest upset came in round 4: Xabier Lacasta Perez (1508) beat Enzo Esain Larumbe (1669), a +161-point gap.
Location
🇪🇸Pamplona, Spain
Dates
07 Feb 2026 → 21 Feb 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 6 rounds
Federations · 2 represented
🇪🇸Spain×69
🇨🇺Cuba×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsTight race until R6; 2 players tied at 2.5/6, decided on Buchholz. Title race narrowed from 29 co-leaders at R4 to 2 at the finish.
Co-leaders
80
80
80
29
9
2
Lasaosa Medarde2.5Martinez Zazo2.5Migueltorena Tellechea2Sanchez Lorente2Echeverria Mendivil2Elicegui Gomez2
R6 · TIEBREAK CLUSTER
2 players finish on 2.5/6. Martinez Zazo takes the title on Buchholz Cut1 (4.5).
R4 · LATE SURGE
Imanol Migueltorena Tellechea was #30 at R4, climbed to #2 over the final stretch.
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Daniel Lasaosa Medarde | * | — | ½ | — |
| 2Jesus Martinez Zazo | — | * | — | — |
| 3Imanol Migueltorena Tellechea | ½ | — | * | — |
| 4Jose Antonio Sanchez Lorente | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Martinez Zazo, Jesus | 1765 | ESP | F | F | F | =26B | +32B | +7N | 2.5 | 4.5 | 4.5 | 3.75 | 1747 | -0.8 |
| 2 | Lasaosa Medarde, Daniel | 1793 | ESP | F | F | F | +58B | =3N | +6B | 2.5 | 4.0 | 4.0 | 3.00 | 1996 | +14.0 |
| 3 | Migueltorena Tellechea, Imanol | 1727 | ESP | F | F | F | =24N | =2B | +9N | 2.0 | 6.0 | 6.0 | 4.00 | 1922 | +30.8 |
| 4 | Pan, Haoquan | 1565 | ESP | F | F | F | +5N | +19B | −11N | 2.0 | 6.0 | 6.0 | 4.00 | 1646 | +12.8 |
| 5 | Casimiro Santiago, Hugo | 1446 | ESP | F | F | F | −4B | +29N | +42B | 2.0 | 4.5 | 4.5 | 2.50 | 766 | -13.6 |
| 6 | Otano Villanueva, Joseba | 1729 | ESP | F | F | F | +41N | +35B | −2N | 2.0 | 4.5 | 4.5 | 2.00 | 1734 | +1.0 |
| 7 | Alegre Braco, Izan | 1597 | ESP | F | F | F | +14B | +62N | −1B | 2.0 | 4.5 | 4.5 | 2.00 | 1715 | +16.4 |
| 8 | Viana Aznar, Kaiet | 1602 | ESP | F | F | F | +64N | −9B | +10N | 2.0 | 4.0 | 4.0 | 2.00 | 1690 | +14.0 |
| 9 | Lasaosa Espinosa, Javier | 1694 | ESP | F | F | F | +65B | +8N | −3B | 2.0 | 4.0 | 4.0 | 2.00 | 1740 | +6.8 |
| 10 | Rey Bacaicoa, Ion | 1504 | ESP | F | F | F | +30B | +68N | −8B | 2.0 | 3.5 | 3.5 | 1.50 | 802 | -14.8 |
| 11 | Ruiz Anton, Adolfo | 1687 | ESP | F | F | F | +43B | F | +4B | 2.0 | 3.0 | 3.0 | 3.00 | 2366 | +6.8 |
| 12 | Echeverria Mendivil, Ariane | 1582 | ESP | F | F | F | +60B | −34N | +13B | 2.0 | 3.0 | 3.0 | 2.00 | 1693 | +19.2 |
| 13 | Sanchez Lorente, Jose Antonio | 1457 | ESP | F | F | F | +36N | +63B | −12N | 2.0 | 3.0 | 3.0 | 1.00 | 1691 | +38.0 |
| 14 | Elizalde Valganon, Yago | 0 | ESP | F | F | F | −7N | +59B | +36N | 2.0 | 3.0 | 3.0 | 1.00 | 1570 | 0.0 |
| 15 | Layana Medrano, Oier | 1770 | ESP | F | F | F | +33B | +24N | F | 2.0 | 2.5 | 2.5 | 2.50 | 2576 | +20.2 |
| 16 | Los Arcos Moreno, Mikel | 1584 | ESP | F | F | F | +37B | +58N | −25B | 2.0 | 2.5 | 2.5 | 1.00 | 1704 | +13.2 |
| 17 | Goya Michelena, Julen | 1610 | ESP | F | F | F | +39B | F | +35N | 2.0 | 2.0 | 2.0 | 2.00 | 2309 | +14.4 |
| 18 | Alfaro Aldunate, Lucia | 1584 | ESP | F | F | F | F | +48B | +32N | 2.0 | 2.0 | 2.0 | 2.00 | 2249 | +12.8 |
| 19 | Lasaosa Espinosa, Mateo | 1600 | ESP | F | F | F | +61B | −4N | +59B | 2.0 | 2.0 | 2.0 | 0.00 | 1649 | +35.2 |
| 20 | Sancinena Arpide, Juan | 1770 | ESP | F | F | F | +63N | F | +33B | 2.0 | 1.0 | 1.0 | 1.00 | 2395 | +11.0 |
| 21 | Nogaledo Garcia, Enzo | 1573 | ESP | F | F | F | +59N | F | +47B | 2.0 | 1.0 | 1.0 | 1.00 | 2257 | +27.2 |
| 22 | Elicegui Gomez, Aitor | 0 | ESP | F | F | F | F | +60N | +58B | 2.0 | 0.0 | 0.0 | 0.00 | 1657 | 0.0 |
| 23 | Alfaro Aldunate, Adrian | 1474 | ESP | F | F | F | +69N | +67B | F | 2.0 | 0.0 | 0.0 | 0.00 | 2262 | +19.2 |
| 24 | Roviralta Montero, Axel | 1897 | ESP | F | F | F | =3B | −15B | +38N | 1.5 | 5.0 | 5.0 | 2.00 | 1698 | -15.0 |
| 25 | Molinero Castejon, Diego | 1700 | ESP | F | F | F | −49B | =27B | +16N | 1.5 | 4.5 | 4.5 | 2.75 | 1748 | +7.2 |
| 26 | Bustince Labairu, Adrian | 1536 | ESP | F | F | F | =1N | −38B | +37N | 1.5 | 4.5 | 4.5 | 2.25 | 1486 | -6.0 |
| 27 | Alfaro Aldunate, Amaya | 1743 | ESP | F | F | F | +44B | =25N | F | 1.5 | 3.5 | 3.5 | 1.75 | 1842 | +9.6 |
| 28 | Munoz Barber, Lorea | 1598 | ESP | F | F | F | −50N | +64B | =31N | 1.5 | 2.5 | 2.5 | 0.75 | 1649 | +4.4 |
| 29 | Munoz Barber, Eneko | 0 | ESP | F | F | F | =?N | −5B | +61N | 1.5 | 2.0 | 2.0 | 0.00 | 1494 | 0.0 |
| 30 | Arbella Alcala, Markel | 0 | ESP | F | F | F | −10N | +66B | =?N | 1.5 | 2.0 | 2.0 | 0.00 | 1321 | 0.0 |
| 31 | Rojo Basterra, Iker | 0 | ESP | F | F | F | F | +?B | =28B | 1.5 | 1.5 | 1.5 | 0.75 | 1581 | 0.0 |
| 32 | Echeverria Mendivil, Alex | 0 | ESP | F | F | F | +45B | −1N | −18B | 1.0 | 5.5 | 5.5 | 1.00 | 1534 | 0.0 |
| 33 | Romero Arribas, Florentino | 1655 | ESP | F | F | F | −15N | +54B | −20N | 1.0 | 5.0 | 5.0 | 1.00 | 970 | -13.6 |
| 34 | Merino Echeverria, Daniel | 1720 | ESP | F | F | F | −52N | +12B | F | 1.0 | 4.5 | 4.5 | 2.00 | 1597 | -6.8 |
| 35 | Lacasta Perez, Xabier | 1508 | ESP | F | F | F | +62B | −6N | −17B | 1.0 | 4.0 | 4.0 | 0.00 | 1544 | +2.6 |
| 36 | Arcos Garcia, Manuel | 1595 | ESP | F | F | F | −13B | +70N | −14B | 1.0 | 4.0 | 4.0 | 0.00 | 657 | -13.6 |
| 37 | Migueltorena Tellechea, Unai | 0 | ESP | F | F | F | −16N | +61B | −26B | 1.0 | 3.5 | 3.5 | 0.00 | 1422 | 0.0 |
| 38 | Garde Gonzalez, Daniel | 1592 | ESP | F | F | F | F | +26N | −24B | 1.0 | 3.0 | 3.0 | 1.50 | 1722 | +11.6 |
| 39 | Sanchez Hernandez, Kevin | 0 | ESP | F | F | F | −17N | F | +40B | 1.0 | 3.0 | 3.0 | 1.00 | 1527 | 0.0 |
| 40 | Garriz Alexeev, Alex | 1444 | ESP | F | F | F | −51N | +55B | −39N | 1.0 | 3.0 | 3.0 | 1.00 | 968 | -5.2 |
| 41 | Urtasun Iriarte, Unax | 1525 | ESP | F | F | F | −6B | +43N | F | 1.0 | 3.0 | 3.0 | 1.00 | 931 | -9.6 |
| 42 | Tabar Rodriguez, Miguel | 0 | ESP | F | F | F | −46N | +?B | −5N | 1.0 | 3.0 | 3.0 | 0.00 | 1356 | 0.0 |
| 43 | Diego Diez, Carlos | 0 | ESP | F | F | F | −11N | −41B | +65N | 1.0 | 3.0 | 3.0 | 0.00 | 1450 | 0.0 |
| 44 | Indurain Eraso, Esteban | 1597 | ESP | F | F | F | −27N | +53B | F | 1.0 | 2.5 | 2.5 | 1.00 | 1583 | -0.6 |
| 45 | Casajus Rubio, David | 1630 | ESP | F | F | F | −32N | +46B | F | 1.0 | 2.0 | 2.0 | 1.00 | 2273 | +11.6 |
| 46 | Miranda San Martin, Mario | 1473 | ESP | F | F | F | +42B | −45N | F | 1.0 | 2.0 | 2.0 | 1.00 | 830 | -11.6 |
| 47 | Guardado Otero, Thais | 1418 | CUB | F | F | F | F | +71B | −21N | 1.0 | 2.0 | 2.0 | 0.00 | 1522 | +11.2 |
| 48 | Font Martinez, Alvaro | 1449 | ESP | F | F | F | +66N | −18N | F | 1.0 | 2.0 | 2.0 | 0.00 | 784 | -12.8 |
| 49 | Lazkoz Diez, Oskar | 1920 | ESP | F | F | F | +25N | F | F | 1.0 | 1.5 | 1.5 | 1.50 | 2500 | +4.4 |
| 50 | Otazu Casanes, Abel | 1806 | ESP | F | F | F | +28B | F | F | 1.0 | 1.5 | 1.5 | 1.50 | 2399 | +9.6 |
| 51 | Lizarraga Lorenzo, Aitor | 1768 | ESP | F | F | F | +40B | F | F | 1.0 | 1.0 | 1.0 | 1.00 | 2244 | +5.2 |
| 52 | Lazcoz Zufiaur, Oier | 1621 | ESP | F | F | F | +34B | F | F | 1.0 | 1.0 | 1.0 | 1.00 | 2521 | +25.6 |
| 53 | Zubero Goni, Ioritz | 1441 | ESP | F | F | F | +72B | −44N | F | 1.0 | 1.0 | 1.0 | 0.00 | 1561 | +14.8 |
| 54 | Sanchez Gonzalez, Luis Miguel | 0 | ESP | F | F | F | F | −33N | +?B | 1.0 | 1.0 | 1.0 | 0.00 | 855 | 0.0 |
| 55 | Martinez De Sabarte Capanaga, Idoia | 0 | ESP | F | F | F | F | −40N | +70B | 1.0 | 1.0 | 1.0 | 0.00 | 644 | 0.0 |
| 56 | Vicuna Juarez, Xabier | 0 | ESP | F | F | F | −?N | −?N | +60B | 1.0 | 0.0 | 0.0 | 0.00 | 1538 | 0.0 |
| 57 | FIDE 553013999 | 0 | — | F | F | F | +?N | F | −?N | 1.0 | 0.0 | 0.0 | 0.00 | 725 | 0.0 |
| 58 | Elia Aldave, Inigo | 1707 | ESP | F | F | F | −2N | −16B | −22N | 0.0 | 6.5 | 6.5 | 0.00 | 888 | -21.0 |
| 59 | Merino Olaverri, Julen | 1496 | ESP | F | F | F | −21B | −14N | −19N | 0.0 | 6.0 | 6.0 | 0.00 | 702 | -39.2 |
| 60 | Ruiz de Larramendi Piqueras, IbaI | 1526 | ESP | F | F | F | −12N | −22B | −56N | 0.0 | 5.0 | 5.0 | 0.00 | 771 | -17.6 |
| 61 | San Martin Coloma, Mark | 1512 | ESP | F | F | F | −19N | −37N | −29B | 0.0 | 4.5 | 4.5 | 0.00 | 630 | -24.4 |
| 62 | Esain Larumbe, Enzo | 1669 | ESP | F | F | F | −35N | −7B | F | 0.0 | 4.0 | 4.0 | 0.00 | 735 | -54.4 |
| 63 | Echaide Oscoz, Arian | 1528 | ESP | F | F | F | −20B | −13N | F | 0.0 | 4.0 | 4.0 | 0.00 | 813 | -32.8 |
| 64 | Santesteban Quesada, Otto | 1508 | ESP | F | F | F | −8B | −28N | F | 0.0 | 3.5 | 3.5 | 0.00 | 801 | -28.0 |
| 65 | Lamelas San Martin, Asier | 1512 | ESP | F | F | F | −9N | F | −43B | 0.0 | 3.0 | 3.0 | 0.00 | 900 | -10.4 |
| 66 | FIDE 523049839 | 0 | — | F | F | F | −48B | −30N | −?N | 0.0 | 2.5 | 2.5 | 0.00 | 649 | 0.0 |
| 67 | Grandas Fernandez, Miguel | 0 | ESP | F | F | F | F | −23N | F | 0.0 | 2.0 | 2.0 | 0.00 | 673 | 0.0 |
| 68 | Rojo Basterra, Oihan | 0 | ESP | F | F | F | F | −10B | F | 0.0 | 2.0 | 2.0 | 0.00 | 704 | 0.0 |
| 69 | Bengoetxea Checa, Iosu | 1462 | ESP | F | F | F | −23B | F | F | 0.0 | 2.0 | 2.0 | 0.00 | 673 | -19.2 |
| 70 | Escamez Perez, Buenaventura | 0 | ESP | F | F | F | F | −36B | −55N | 0.0 | 2.0 | 2.0 | 0.00 | 794 | 0.0 |
| 71 | Goya Suescun, Unax | 1496 | ESP | F | F | F | F | −47N | F | 0.0 | 1.0 | 1.0 | 0.00 | 618 | -22.8 |
| 72 | Arbizu Catalan, Julen | 1523 | ESP | F | F | F | −53N | F | F | 0.0 | 1.0 | 1.0 | 0.00 | 622 | -25.6 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Sanchez Lorente, Jose AntonioESP+38.02.0 pts · #3
- 2Lasaosa Espinosa, MateoESP+35.22.0 pts · #13
- 3Migueltorena Tellechea, ImanolESP+30.82.0 pts · #2
Top rating losers
- 1Esain Larumbe, EnzoESP-54.40.0 pts · #64
- 2Merino Olaverri, JulenESP-39.20.0 pts · #70
- 3Echaide Oscoz, ArianESP-32.80.0 pts · #66
Biggest upsets
- R4+161 Elo gap
- R4+138 Elo gap
- R5+127 Elo gap