Campeonato de Euskadi Equipos 2026 - Zonal Bizkaia - Grupo 1 Rondas 8
Open SwissStandard
36 players participated in this 8-round tournament, held on 28 Feb 2026 in Bilbao, Spain. Top 10 Elo average was 1970, and top seed was Aritz Zabala Perez (🇪🇸 ESP, 2182).
Imanol Ruiz Bonito (🇪🇸 ESP, 1692) won with 1.0/8, ahead of Adrian Villaverde Plazas (1.0) and Aritz Zabala Perez (1.0).
The biggest upset came in round 8: Ametz De la Cruz Esteibarlanda (1758) beat Jose Antonio Madariaga Ibarra (1883), a +125-point gap.
Location
🇪🇸Bilbao, Spain
Dates
28 Feb 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 8 rounds
Federations · 1 represented
🇪🇸Spain×36
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 8 roundsTight race until R8; 10 players tied at 1.0/8, decided on Buchholz. Title race narrowed from 89 co-leaders at R4 to 11 at the finish.
Co-leaders
89
89
89
89
89
89
89
11
R8 · TIEBREAK CLUSTER
10 players finish on 1.0/8. Ruiz Bonito takes the title on Buchholz Cut1 (0.0).
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Ruiz Bonito, Imanol | 1692 | ESP | F | F | F | F | F | F | F | +28B | 1.0 | 0.0 | 0.0 | 0.00 | 2500 | +10.2 |
| 2 | Villaverde Plazas, Adrian | 1873 | ESP | F | F | F | F | F | F | F | +34B | 1.0 | 0.0 | 0.0 | 0.00 | 2783 | +12.8 |
| 3 | Zabala Perez, Aritz | 2182 | ESP | F | F | F | F | F | F | F | +30B | 1.0 | 0.0 | 0.0 | 0.00 | 2763 | +4.8 |
| 4 | Abascal Calleja, Amado | 1764 | ESP | F | F | F | F | F | F | F | +27B | 1.0 | 0.0 | 0.0 | 0.00 | 2278 | +6.4 |
| 5 | Momoitio Garcia, Pablo | 1897 | ESP | F | F | F | F | F | F | F | +33B | 1.0 | 0.0 | 0.0 | 0.00 | 2339 | +2.2 |
| 6 | Larrabide Fontaneda, Inaki | 1908 | ESP | F | F | F | F | F | F | F | +35N | 1.0 | 0.0 | 0.0 | 0.00 | 2329 | +4.0 |
| 7 | Nader, Karam | 1928 | ESP | F | F | F | F | F | F | F | +31N | 1.0 | 0.0 | 0.0 | 0.00 | 2624 | +15.6 |
| 8 | De la Cruz Esteibarlanda, Ametz | 1758 | ESP | F | F | F | F | F | F | F | +32N | 1.0 | 0.0 | 0.0 | 0.00 | 2681 | +27.2 |
| 9 | Agirre Olaeta Asier | 0 | ESP | F | F | F | F | F | F | F | +?N | 1.0 | 0.0 | 0.0 | 0.00 | 1569 | 0.0 |
| 10 | Redondo Prieto, Endika | 2006 | ESP | F | F | F | F | F | F | F | +29B | 1.0 | 0.0 | 0.0 | 0.00 | 2520 | +3.4 |
| 11 | Gallastegui, Jon Ander | 1800 | ESP | F | F | F | F | F | F | F | =24B | 0.5 | 0.5 | 0.5 | 0.25 | 1968 | +4.2 |
| 12 | Perez Maranon, Juan Jose | 1879 | ESP | F | F | F | F | F | F | F | =21B | 0.5 | 0.5 | 0.5 | 0.25 | 1915 | +0.8 |
| 13 | Solabarrieta Agorria, Inigo | 1835 | ESP | F | F | F | F | F | F | F | =19N | 0.5 | 0.5 | 0.5 | 0.25 | 1743 | -2.8 |
| 14 | Tamblay Rodriguez, Oscar | 1775 | ESP | F | F | F | F | F | F | F | =18N | 0.5 | 0.5 | 0.5 | 0.25 | 1749 | -1.0 |
| 15 | Dunaiturria Uribezubia, Paulo | 1922 | ESP | F | F | F | F | F | F | F | =17B | 0.5 | 0.5 | 0.5 | 0.25 | 1817 | -2.4 |
| 16 | Leniz Markes, Inaki | 1919 | ESP | F | F | F | F | F | F | F | =23B | 0.5 | 0.5 | 0.5 | 0.25 | 1767 | -4.4 |
| 17 | Malkowski, Marcin Piotr | 1825 | ESP | F | F | F | F | F | F | F | =15N | 0.5 | 0.5 | 0.5 | 0.25 | 1902 | +2.4 |
| 18 | Soria Ayarzaguena, Iker | 1724 | ESP | F | F | F | F | F | F | F | =14B | 0.5 | 0.5 | 0.5 | 0.25 | 1787 | +2.0 |
| 19 | Goni Barrena, Julen | 1755 | ESP | F | F | F | F | F | F | F | =13B | 0.5 | 0.5 | 0.5 | 0.25 | 1846 | +5.6 |
| 20 | Garcia Mtez de la Hidalga, Alber | 1931 | ESP | F | F | F | F | F | F | F | =22N | 0.5 | 0.5 | 0.5 | 0.25 | 1811 | -3.0 |
| 21 | Aboitiz Olabarriaga, Benat | 1910 | ESP | F | F | F | F | F | F | F | =12N | 0.5 | 0.5 | 0.5 | 0.25 | 1888 | -0.8 |
| 22 | Santos Fernandez, Izei | 1824 | ESP | F | F | F | F | F | F | F | =20B | 0.5 | 0.5 | 0.5 | 0.25 | 1918 | +3.0 |
| 23 | Arroyo Rodriguez, David | 1772 | ESP | F | F | F | F | F | F | F | =16N | 0.5 | 0.5 | 0.5 | 0.25 | 1936 | +4.4 |
| 24 | Santos Crespo, Ignacio | 1959 | ESP | F | F | F | F | F | F | F | =11N | 0.5 | 0.5 | 0.5 | 0.25 | 1814 | -4.2 |
| 25 | Santos Perez, David | 1886 | ESP | F | F | F | F | F | F | F | =?B | 0.5 | 0.0 | 0.0 | 0.00 | 1854 | -1.6 |
| 26 | Moro Saiz, Iosu | 1632 | ESP | F | F | F | F | F | F | F | =?B | 0.5 | 0.0 | 0.0 | 0.00 | 1710 | +4.4 |
| 27 | Martin Del Fresno, Igor | 1478 | ESP | F | F | F | F | F | F | F | −4N | 0.0 | 1.0 | 1.0 | 0.00 | 964 | -6.4 |
| 28 | Ciprian Merlo, Ibai | 1705 | ESP | F | F | F | F | F | F | F | −1N | 0.0 | 1.0 | 1.0 | 0.00 | 892 | -10.2 |
| 29 | Sevillano Lopez, Jose Ramon | 1711 | ESP | F | F | F | F | F | F | F | −10N | 0.0 | 1.0 | 1.0 | 0.00 | 1189 | -3.4 |
| 30 | Bacigalupe Dehesa, Peio | 1968 | ESP | F | F | F | F | F | F | F | −3N | 0.0 | 1.0 | 1.0 | 0.00 | 1366 | -4.8 |
| 31 | Villanueva Viton, Jose Manuel | 1816 | ESP | F | F | F | F | F | F | F | −7B | 0.0 | 1.0 | 1.0 | 0.00 | 1105 | -7.8 |
| 32 | Madariaga Ibarra, Jose Antonio | 1883 | ESP | F | F | F | F | F | F | F | −8B | 0.0 | 1.0 | 1.0 | 0.00 | 949 | -27.2 |
| 33 | Ibarrola Gobantes, Jokin | 1531 | ESP | F | F | F | F | F | F | F | −5N | 0.0 | 1.0 | 1.0 | 0.00 | 1091 | -2.2 |
| 34 | Roman Mediavilla, Jorge | 1977 | ESP | F | F | F | F | F | F | F | −2N | 0.0 | 1.0 | 1.0 | 0.00 | 1078 | -12.8 |
| 35 | Suarez Andollo, Asier | 1522 | ESP | F | F | F | F | F | F | F | −6B | 0.0 | 1.0 | 1.0 | 0.00 | 1090 | -4.0 |
| 36 | Petrov Meneses, Karlos Georgi | 1734 | ESP | F | F | F | F | F | F | F | −?B | 0.0 | 0.0 | 0.0 | 0.00 | 843 | -24.8 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1De la Cruz Esteibarlanda, AmetzESP+27.21.0 pts · #8
- 2Nader, KaramESP+15.61.0 pts · #7
- 3Villaverde Plazas, AdrianESP+12.81.0 pts · #2
Top rating losers
- 1Madariaga Ibarra, Jose AntonioESP-27.20.0 pts · #33
- 2Petrov Meneses, Karlos GeorgiESP-24.80.0 pts · #31
- 3Roman Mediavilla, JorgeESP-12.80.0 pts · #35
Biggest upsets
- R8+125 Elo gap
- R8+117 Elo gap
- R8+104 Elo gap