XX Open de Primavera de Gros Rondas 6-7
Open SwissStandard
56 players participated in this 7-round tournament, held from 07 Jun 2025 to 14 Jun 2025 in Donostia, Spain. 2 titled players from 5 federations. Top 10 Elo average was 2073, and top seed was Inigo Argandona Riveiro (🇪🇸 ESP, IM, 2333).
Miguel Angel Ontiveros Acuna (🇻🇪 VEN, 2073) won with 2.0/7, ahead of Jose Angel Rodriguez Hernandez (2.0) and Alain Prieto Aranguren (2.0). Ontiveros Acuna shared the lead from round 6, winning on tie-break.
The biggest upset came in round 6: Haritz Moreno Lazarev (1818) beat Zuhaitz Gimenez Lopez (2079), a +261-point gap.
Location
🇪🇸Donostia, Spain
Dates
07 Jun 2025 → 14 Jun 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Titled players · 2
IM×1
FM×1
Federations · 5 represented
🇪🇸Spain×51
🇻🇪Venezuela×1
🇨🇺Cuba×1
🇦🇷Argentina×1
🇫🇷France×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsTight race until R7; 10 players tied at 2.0/7, decided on Buchholz. Title race narrowed from 68 co-leaders at R4 to 10 at the finish.
Co-leaders
68
68
68
68
68
26
10
R7 · TIEBREAK CLUSTER
10 players finish on 2.0/7. Ontiveros Acuna takes the title on Buchholz Cut1 (2.0).
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Ontiveros Acuna, Miguel Angel | 2073 | VEN | F | F | F | F | F | +19N | +22B | 2.0 | 2.0 | 2.0 | 2.00 | 2555 | +5.6 |
| 2 | Rodriguez Hernandez, Jose Angel | 2068 | CUB | F | F | F | F | F | +15N | +18B | 2.0 | 2.0 | 2.0 | 2.00 | 2731 | +23.2 |
| 3 | Prieto Aranguren, AlainFM | 2277 | ESP | F | F | F | F | F | +40B | +14N | 2.0 | 1.0 | 1.0 | 1.00 | 2983 | +15.0 |
| 4 | Izagirre Alsua, Aritz | 1878 | ESP | F | F | F | F | F | +46N | +21B | 2.0 | 1.0 | 1.0 | 1.00 | 2380 | +6.4 |
| 5 | Soto Avalos, Paulo | 1662 | ESP | F | F | F | F | F | +13N | +51B | 2.0 | 1.0 | 1.0 | 1.00 | 2464 | +41.2 |
| 6 | Gattegno, Laurent | 1909 | FRA | F | F | F | F | F | +37N | +20B | 2.0 | 1.0 | 1.0 | 1.00 | 2598 | +13.2 |
| 7 | Vallejo Perez, Urko | 1592 | ESP | F | F | F | F | F | +23N | +48B | 2.0 | 1.0 | 1.0 | 1.00 | 2332 | +18.0 |
| 8 | Saenz Zabala, Juan Ignacio | 1689 | ESP | F | F | F | F | F | +45B | +47N | 2.0 | 0.0 | 0.0 | 0.00 | 2471 | +19.6 |
| 9 | Lertxundi Azpiazu, Jon | 1888 | ESP | F | F | F | F | F | +39B | +42N | 2.0 | 0.0 | 0.0 | 0.00 | 2546 | +12.0 |
| 10 | Almandoz Zapiain, Santiago | 1432 | ESP | F | F | F | F | F | +36B | +43N | 2.0 | 0.0 | 0.0 | 0.00 | 2378 | +29.2 |
| 11 | Gerrikabeitia Uriarte, Antxoka | 1797 | ESP | F | F | F | F | F | +41N | =34B | 1.5 | 0.5 | 0.5 | 0.25 | 1826 | +1.8 |
| 12 | Koroteev, Mikhail | 0 | ESP | F | F | F | F | F | =?B | +?N | 1.5 | 0.0 | 0.0 | 0.00 | 1590 | 0.0 |
| 13 | Ruiz Tolosa, Inigo | 1497 | ESP | F | F | F | F | F | −5B | +17B | 1.0 | 3.0 | 3.0 | 1.00 | 1613 | +11.2 |
| 14 | Odriozola Coscolin, Dani | 2009 | ESP | F | F | F | F | F | +25N | −3B | 1.0 | 3.0 | 3.0 | 1.00 | 2182 | +14.8 |
| 15 | Osa Astrain, Ricardo | 1880 | ESP | F | F | F | F | F | −2B | +27N | 1.0 | 3.0 | 3.0 | 1.00 | 1289 | -4.8 |
| 16 | Alcorta Lejarreta, Inigo | 1657 | ESP | F | F | F | F | F | +28N | −24N | 1.0 | 2.0 | 2.0 | 1.00 | 1690 | +4.4 |
| 17 | Figueras Hernandez, Juan Cruz | 1588 | ESP | F | F | F | F | F | +26B | −13N | 1.0 | 2.0 | 2.0 | 1.00 | 1518 | -3.2 |
| 18 | Corral Sierra, Javier | 1981 | ESP | F | F | F | F | F | +44B | −2N | 1.0 | 2.0 | 2.0 | 0.00 | 1989 | +0.8 |
| 19 | Uceda Alves, Samuel | 1611 | ESP | F | F | F | F | F | −1B | +49N | 1.0 | 2.0 | 2.0 | 0.00 | 1867 | +11.2 |
| 20 | Moreno Lazarev, Haritz | 1818 | ESP | F | F | F | F | F | +56B | −6N | 1.0 | 2.0 | 2.0 | 0.00 | 2009 | +17.6 |
| 21 | Villar Marcelino, Gorka | 1616 | ESP | F | F | F | F | F | +53B | −4N | 1.0 | 2.0 | 2.0 | 0.00 | 1776 | +8.2 |
| 22 | Fuente San Sebastian, Ernesto | 1838 | ESP | F | F | F | F | F | +55B | −1N | 1.0 | 2.0 | 2.0 | 0.00 | 1275 | -4.0 |
| 23 | Garate Romero, Naia | 1589 | ESP | F | F | F | F | F | −7B | +36N | 1.0 | 2.0 | 2.0 | 0.00 | 767 | -18.0 |
| 24 | Ximenez Crespo, Inigo | 1901 | ESP | F | F | F | F | F | F | +16B | 1.0 | 1.0 | 1.0 | 1.00 | 2437 | +3.4 |
| 25 | Reguillaga Elias, Manex | 2075 | ESP | F | F | F | F | F | −14B | +44N | 1.0 | 1.0 | 1.0 | 0.00 | 1961 | -6.0 |
| 26 | Sanchez Andres, Alejandro | 1525 | ESP | F | F | F | F | F | −17N | +38B | 1.0 | 1.0 | 1.0 | 0.00 | 1547 | +1.2 |
| 27 | Claudios Santana, Alberto | 0 | ESP | F | F | F | F | F | +?N | −15B | 1.0 | 1.0 | 1.0 | 0.00 | 1720 | 0.0 |
| 28 | Yurramendi Sarasola, Xabier | 1471 | ESP | F | F | F | F | F | −16B | +50N | 1.0 | 1.0 | 1.0 | 0.00 | 1609 | +7.4 |
| 29 | Rodriguez Lima, Axel | 1843 | ESP | F | F | F | F | F | +34B | F | 1.0 | 0.5 | 0.5 | 0.50 | 2504 | +11.6 |
| 30 | Dorronsoro Arenas, Unai | 1924 | ESP | F | F | F | F | F | +49B | F | 1.0 | 0.0 | 0.0 | 0.00 | 2517 | +4.4 |
| 31 | Mijole Arizcuren, Inigo | 1892 | ESP | F | F | F | F | F | +52N | F | 1.0 | 0.0 | 0.0 | 0.00 | 2393 | +5.6 |
| 32 | Etxeberria Izaguirre, Aitzol | 1600 | ESP | F | F | F | F | F | +38B | F | 1.0 | 0.0 | 0.0 | 0.00 | 2321 | +16.0 |
| 33 | Rodriguez Alvarez, Aian | 0 | ESP | F | F | F | F | F | +50N | F | 1.0 | 0.0 | 0.0 | 0.00 | 1600 | 0.0 |
| 34 | Bayona Jaime, Antonio | 1703 | ESP | F | F | F | F | F | −29N | =11N | 0.5 | 2.5 | 2.5 | 0.75 | 1636 | -3.4 |
| 35 | Garcia De Salazar Bilbao, Jon | 0 | ESP | F | F | F | F | F | =?B | F | 0.5 | 0.0 | 0.0 | 0.00 | 1653 | 0.0 |
| 36 | FIDE 535092432 | 0 | — | F | F | F | F | F | −10N | −23B | 0.0 | 3.0 | 3.0 | 0.00 | 668 | 0.0 |
| 37 | Algans Sagues, Pau | 1701 | ESP | F | F | F | F | F | −6B | F | 0.0 | 3.0 | 3.0 | 0.00 | 1123 | -11.2 |
| 38 | Ezkai Vicario, Asier | 1554 | ESP | F | F | F | F | F | −32N | −26N | 0.0 | 2.0 | 2.0 | 0.00 | 759 | -35.6 |
| 39 | Gonzalez Bello, Oier | 1770 | ESP | F | F | F | F | F | −9N | F | 0.0 | 2.0 | 2.0 | 0.00 | 1095 | -13.2 |
| 40 | Argandona Riveiro, InigoIM | 2333 | ESP | F | F | F | F | F | −3N | F | 0.0 | 2.0 | 2.0 | 0.00 | 1487 | -5.6 |
| 41 | Varela Avellanal, Juan Luis | 1567 | ESP | F | F | F | F | F | −11B | F | 0.0 | 2.0 | 2.0 | 0.00 | 994 | -4.2 |
| 42 | Lazkano Gaite, Tomas | 1717 | ESP | F | F | F | F | F | F | −9B | 0.0 | 2.0 | 2.0 | 0.00 | 1095 | -5.4 |
| 43 | Campos Jimenez, Enrique | 1585 | ESP | F | F | F | F | F | F | −10B | 0.0 | 2.0 | 2.0 | 0.00 | 604 | -14.6 |
| 44 | Martinez Gil, Kilian | 1887 | ESP | F | F | F | F | F | −18N | −25B | 0.0 | 2.0 | 2.0 | 0.00 | 1225 | -12.8 |
| 45 | Soto Avalos, Xavier | 1453 | ESP | F | F | F | F | F | −8N | F | 0.0 | 2.0 | 2.0 | 0.00 | 879 | -9.6 |
| 46 | Legorburu Echeveste, Ekai | 1542 | ESP | F | F | F | F | F | −4B | F | 0.0 | 2.0 | 2.0 | 0.00 | 1065 | -5.2 |
| 47 | Esnaola Gaston, Fernando | 1875 | ESP | F | F | F | F | F | F | −8B | 0.0 | 2.0 | 2.0 | 0.00 | 879 | -14.8 |
| 48 | Aldanondo Yang, Iker | 0 | ESP | F | F | F | F | F | −?N | −7N | 0.0 | 2.0 | 2.0 | 0.00 | 767 | 0.0 |
| 49 | Corral Gutierrez, Asier | 1717 | ESP | F | F | F | F | F | −30N | −19B | 0.0 | 2.0 | 2.0 | 0.00 | 978 | -17.2 |
| 50 | Monteanu Hristova, Damian | 1586 | ESP | F | F | F | F | F | −33B | −28B | 0.0 | 2.0 | 2.0 | 0.00 | 670 | -26.0 |
| 51 | Parellada Elizalde, Jon | 1826 | ESP | F | F | F | F | F | F | −5N | 0.0 | 2.0 | 2.0 | 0.00 | 853 | -28.8 |
| 52 | Used Zabalegui, Iosu | 1595 | ESP | F | F | F | F | F | −31B | F | 0.0 | 1.0 | 1.0 | 0.00 | 1100 | -5.6 |
| 53 | Alberich Bernabe, Pablo | 0 | ARG | F | F | F | F | F | −21N | F | 0.0 | 1.0 | 1.0 | 0.00 | 814 | -24.0 |
| 54 | Gabilondo Gil-Negrete, Oier | 0 | ESP | F | F | F | F | F | −?B | F | 0.0 | 1.0 | 1.0 | 0.00 | 854 | 0.0 |
| 55 | Garcia Lopez, Pedro 2015 | 0 | ESP | F | F | F | F | F | −22N | F | 0.0 | 1.0 | 1.0 | 0.00 | 1035 | 0.0 |
| 56 | Gimenez Lopez, Zuhaitz | 2079 | ESP | F | F | F | F | F | −20N | F | 0.0 | 1.0 | 1.0 | 0.00 | 1035 | -16.4 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Soto Avalos, PauloESP+41.22.0 pts · #4
- 2Almandoz Zapiain, SantiagoESP+29.22.0 pts · #18
- 3Rodriguez Hernandez, Jose AngelCUB+23.22.0 pts · #7
Top rating losers
- 1Ezkai Vicario, AsierESP-35.60.0 pts · #34
- 2Parellada Elizalde, JonESP-28.80.0 pts · #55
- 3Monteanu Hristova, DamianESP-26.00.0 pts · #54
Biggest upsets
- R6+261 Elo gap
- R7+186 Elo gap
- R7+164 Elo gap