Campeonato Primera de Euskadi - Zonal de Bizkaia 2025 Rondas 1-3
Open SwissStandard
40 players participated in this 3-round tournament, held from 11 Oct 2025 to 25 Oct 2025 in Bilbao, Spain. Top 10 Elo average was 1936, and top seed was Saul Martinez Mateos (🇪🇸 ESP, 2034).
Iker Santos Dominguez (🇪🇸 ESP, 1943) won with 3.0/3, ahead of Saul Martinez Mateos (2.5) and Eder Gonzalez Iglesias (2.0). Santos Dominguez broke clear in the final round.
The biggest upset came in round 1: Jon Eguia Abad (1638) beat Aitor Bonaetxea Gutierrez (1791), a +153-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
Federations · 1 represented
🇪🇸Spain×40
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 3 roundsIker Santos Dominguez led from R3; +0.5-point edge over the runner-up.
Co-leaders
18
2
1
Santos Dominguez3Martinez Mateos2.5Zapirain Bilbao2Arauzo Sanudo2Gonzalez Iglesias2Garcia Mtez de la Hidalga2
R3–R3 · LEAD HELD
Iker Santos Dominguez held the sole lead from R3 through R3 without losing it.
R1–R3 · WIN STREAK
Iker Santos Dominguez won 3 in a row (R1–R3).
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Santos Dominguez, Iker | 1943 | ESP | +14N | +11B | +3B | 3.0 | 3.5 | 5.0 | 5.00 | 2584 | +17.4 |
| 2 | Martinez Mateos, Saul | 2034 | ESP | +23N | =12B | +13N | 2.5 | 3.0 | 4.0 | 3.25 | 2095 | +8.0 |
| 3 | Gonzalez Iglesias, Eder | 1790 | ESP | +34B | +4B | −1N | 2.0 | 5.0 | 5.0 | 2.00 | 1930 | +11.4 |
| 4 | Zapirain Bilbao, Mikel | 1887 | ESP | +16B | −3N | +17B | 2.0 | 3.5 | 4.5 | 2.50 | 1839 | -3.4 |
| 5 | Soriano Rubio, Jesus Maria | 1764 | ESP | −15N | +18B | +31N | 2.0 | 2.5 | 3.0 | 1.50 | 1853 | +7.2 |
| 6 | Delgado Bilbao, Jorge | 2002 | ESP | F | +17B | +12N | 2.0 | 2.5 | 2.5 | 2.50 | 2551 | +8.2 |
| 7 | Garcia de Eulate Latorre, Unai | 2008 | ESP | +25B | F | +19N | 2.0 | 2.0 | 2.0 | 2.00 | 2539 | +14.0 |
| 8 | Arauzo Sanudo, Jose Ramon | 1731 | ESP | +32B | F | +26N | 2.0 | 1.5 | 1.5 | 1.50 | 2631 | +25.6 |
| 9 | Garcia Mtez de la Hidalga, Alber | 1904 | ESP | +33N | F | +24B | 2.0 | 1.5 | 1.5 | 1.50 | 2589 | +13.8 |
| 10 | Cano Ortega, Ander | 1873 | ESP | +35N | F | +20B | 2.0 | 1.0 | 1.0 | 1.00 | 2504 | +5.6 |
| 11 | Manas Garcia, Lander | 1814 | ESP | +21B | −1N | =16B | 1.5 | 4.5 | 5.5 | 1.75 | 1770 | -6.4 |
| 12 | Caballero Ibarlucea, Josu | 1864 | ESP | +36B | =2N | −6B | 1.5 | 4.5 | 4.5 | 1.25 | 1912 | +3.8 |
| 13 | Acedo Alonso, Javier | 1822 | ESP | +18N | =15B | −2B | 1.5 | 4.0 | 5.0 | 1.75 | 1889 | +5.0 |
| 14 | Bernal Arnaldes, Igor | 1749 | ESP | −1B | +21N | =22B | 1.5 | 4.0 | 5.0 | 1.50 | 1796 | +7.2 |
| 15 | Zubizarreta Landera, Denis | 1956 | ESP | +5B | =13N | F | 1.5 | 3.5 | 3.5 | 2.75 | 1986 | +2.8 |
| 16 | Fernandez Amezaga, Karmelo | 1715 | ESP | −4N | +34B | =11N | 1.5 | 3.5 | 3.5 | 0.75 | 1762 | +3.8 |
| 17 | Eguia Abad, Jon | 1638 | ESP | +22B | −6N | −4N | 1.0 | 4.0 | 5.0 | 1.00 | 1768 | +8.2 |
| 18 | Ciruelos Clerencia, Juan Manuel | 1676 | ESP | −13B | −5N | +34N | 1.0 | 3.5 | 3.5 | 0.00 | 1599 | -6.0 |
| 19 | Zabala Ormaetxe, Aitor | 1696 | ESP | +27N | F | −7B | 1.0 | 3.0 | 3.0 | 1.00 | 1901 | +19.6 |
| 20 | Gonzalez Hervas, Jose Antonio | 0 | ESP | +28B | F | −10N | 1.0 | 3.0 | 3.0 | 1.00 | 1827 | 0.0 |
| 21 | Lorenzo Aramburuzabala, Inaki | 1653 | ESP | −11N | −14B | +35N | 1.0 | 3.0 | 3.0 | 0.00 | 1630 | -1.8 |
| 22 | Bonaetxea Gutierrez, Aitor | 1791 | ESP | −17N | =31B | =14N | 1.0 | 2.5 | 3.0 | 1.00 | 1521 | -21.2 |
| 23 | Montes Gimenez, Mencia | 1780 | ESP | −2B | +36N | F | 1.0 | 2.5 | 2.5 | 0.00 | 1867 | +4.0 |
| 24 | Alfaro Pena, Jose | 1814 | ESP | +39B | F | −9N | 1.0 | 2.0 | 2.0 | 0.00 | 1820 | +0.4 |
| 25 | Menoyo Garcia, Leire | 1780 | ESP | −7N | F | +38B | 1.0 | 2.0 | 2.0 | 0.00 | 1880 | +10.0 |
| 26 | Dunaiturria Uribezubia, Paulo | 1863 | ESP | +38N | F | −8B | 1.0 | 2.0 | 2.0 | 0.00 | 1741 | -6.6 |
| 27 | Linacero Juan, Miguel Angel | 1794 | ESP | −19B | F | +37N | 1.0 | 1.0 | 1.0 | 0.00 | 1729 | -7.2 |
| 28 | Grande Gonzalez, Julen | 1781 | ESP | −20N | +35B | F | 1.0 | 1.0 | 1.0 | 0.00 | 2504 | +15.6 |
| 29 | Lopez Rojas, Salvador | 1886 | ESP | +37B | F | F | 1.0 | 0.0 | 0.0 | 0.00 | 2561 | +6.6 |
| 30 | Franco Crespo, Guillermo | 1616 | ESP | F | F | +40N | 1.0 | 0.0 | 0.0 | 0.00 | 2454 | +22.0 |
| 31 | Martinez Goiriz, Jose Manuel | 1551 | ESP | F | =22N | −5B | 0.5 | 3.0 | 3.0 | 0.50 | 1585 | +1.4 |
| 32 | Arroyo Rodriguez, David | 1800 | ESP | −8N | F | =33B | 0.5 | 2.5 | 2.5 | 0.25 | 1554 | -13.0 |
| 33 | Otero Pardo, Oscar | 1763 | ESP | −9B | F | =32N | 0.5 | 2.5 | 2.5 | 0.25 | 1659 | -10.4 |
| 34 | Bujan Vidales, Juan | 1586 | ESP | −3N | −16N | −18B | 0.0 | 3.5 | 4.5 | 0.00 | 927 | -38.0 |
| 35 | Sedano Rodriguez, Ruben | 1704 | ESP | −10B | −28N | −21B | 0.0 | 3.0 | 4.0 | 0.00 | 969 | -24.8 |
| 36 | Ribacova Maquedano, Carlos | 1699 | ESP | −12N | −23B | F | 0.0 | 2.5 | 2.5 | 0.00 | 1023 | -26.8 |
| 37 | Gutierrez Renedo, Manuel | 1761 | ESP | −29N | F | −27B | 0.0 | 2.0 | 2.0 | 0.00 | 1040 | -15.6 |
| 38 | Gerrikabeitia Uriarte, Antxoka | 1751 | ESP | −26B | F | −25N | 0.0 | 2.0 | 2.0 | 0.00 | 1022 | -16.2 |
| 39 | Ortiz de Salazar Torre, Alberto | 1736 | ESP | −24N | F | F | 0.0 | 1.0 | 1.0 | 0.00 | 1014 | -7.8 |
| 40 | Rubio Azkueta, Jesus Maria | 1654 | ESP | F | F | −30B | 0.0 | 1.0 | 1.0 | 0.00 | 815 | -11.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Arauzo Sanudo, Jose RamonESP+25.62.0 pts · #4
- 2Franco Crespo, GuillermoESP+22.01.0 pts · #22
- 3Zabala Ormaetxe, AitorESP+19.61.0 pts · #17
Top rating losers
- 1Bujan Vidales, JuanESP-38.00.0 pts · #35
- 2Ribacova Maquedano, CarlosESP-26.80.0 pts · #36
- 3Sedano Rodriguez, RubenESP-24.80.0 pts · #38
Biggest upsets
- R1+153 Elo gap
- R3+132 Elo gap