SEPTIMO GRAND PRIX ALEKHINE 2025
Open SwissStandard
67 players participated in this 7-round tournament, held from 11 Jul 2025 to 13 Jul 2025 in San Lorenzo, Paraguay. 10 titled players from 2 federations. Top 10 Elo average was 2112, and top seed was Antonio Almiron (🇵🇾 PAR, IM, 2327).
Arnold Mayeregger (🇵🇾 PAR, 2183) won with 5.5/7, ahead of Angel Nathanael Montiel (5.5) and Rodolfo Cantero (5.5). Mayeregger shared the lead from round 6, winning on tie-break.
The biggest upset came in round 4: Benjamin Pinto Pache (1560) beat Marcos Riveros Colman (1863), a +303-point gap.
Location
🇵🇾San Lorenzo, Paraguay
Dates
11 Jul 2025 → 13 Jul 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Titled players · 10
IM×1
FM×1
CM×6
WFM×1
WCM×1
Federations · 2 represented
🇵🇾Paraguay×63
🇺🇸United States of America×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsTight race until R7; 5 players tied at 5.5/7, decided on Buchholz. Title race narrowed from 5 co-leaders at R4 to 5 at the finish.
Co-leaders
23
10
3
5
3
5
5
R7 · TIEBREAK CLUSTER
5 players finish on 5.5/7. Mayeregger takes the title on Buchholz Cut1 (28.5).
R1–R3 · WIN STREAK
CM Rodolfo Cantero won 3 in a row (R1–R3).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1IMAntonio Almiron | * | — | — | — |
| 2Jose Antonio Alarcon | — | * | — | ½ |
| 3CMRodolfo Cantero | — | — | * | ½ |
| 4Arnold Mayeregger | — | ½ | ½ | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Mayeregger, Arnold | 2183 | PAR | +15B | +16N | =5B | =2N | +31B | +12N | =3B | 5.5 | 28.5 | 31.5 | 23.25 | 2148 | -1.2 |
| 2 | Montiel, Angel NathanaelCM | 2017 | PAR | +17N | +42B | +32N | =1B | +7N | =5N | =4B | 5.5 | 28.5 | 31.0 | 22.75 | 2256 | +38.6 |
| 3 | Cantero, RodolfoCM | 2178 | PAR | +22N | +59B | +19N | =7B | +6N | =10B | =1N | 5.5 | 28.0 | 29.5 | 22.00 | 2192 | +5.4 |
| 4 | Almiron, AntonioIM | 2327 | PAR | +36N | +12B | =6N | =10B | +20N | +16B | =2N | 5.5 | 27.0 | 30.0 | 22.50 | 2194 | -7.7 |
| 5 | Alarcon, Jose Antonio | 2046 | PAR | +29N | +28B | =1N | +25B | +32N | =2B | =10N | 5.5 | 26.5 | 29.5 | 21.75 | 2154 | +21.8 |
| 6 | Vinales Gonzalez, Enzo MathiasFM | 2042 | PAR | +34B | +9N | =4B | +21N | −3B | =14N | +26B | 5.0 | 27.5 | 30.5 | 20.25 | 1997 | +0.8 |
| 7 | Allo Collante, Enrique | 2107 | PAR | +23N | +41B | +31N | =3N | −2B | =13B | +12N | 5.0 | 26.0 | 29.0 | 18.75 | 2014 | -8.4 |
| 8 | Amarilla Ettiene, EzequielCM | 2004 | PAR | +43B | =18N | +13B | =26N | −12B | +21N | +14B | 5.0 | 23.5 | 26.0 | 18.25 | 1863 | -35.2 |
| 9 | Pinto Pache, Samuel | 1680 | PAR | +60N | −6B | −17N | +50B | +22N | +43B | +13N | 5.0 | 21.5 | 22.5 | 13.50 | 1768 | +26.4 |
| 10 | Roman, RodrigoCM | 1979 | PAR | F | +51N | +18B | =4N | +26B | =3N | =5B | 4.5 | 26.0 | 26.0 | 17.75 | 2095 | +21.2 |
| 11 | Moreno Silva, Valentina Gizeth | 1589 | PAR | +62N | −19B | +42N | −32B | =27N | +51B | +28N | 4.5 | 18.5 | 19.5 | 10.75 | 1674 | +16.4 |
| 12 | Aquino Sanchez, Rodrigo Catriel | 1728 | PAR | +53B | −4N | +37B | +43N | +8N | −1B | −7B | 4.0 | 26.5 | 28.5 | 12.50 | 1898 | +20.6 |
| 13 | Montiel Caceres, HelenWFM | 1918 | PAR | +27N | +46B | −8N | =20B | +52B | =7N | −9B | 4.0 | 25.0 | 27.0 | 12.50 | 1777 | -18.2 |
| 14 | Lugo Martinez, Jimena SofiaWCM | 1728 | PAR | +45N | −32B | =23N | +35B | +24N | =6B | −8N | 4.0 | 24.0 | 26.5 | 14.00 | 1778 | +9.4 |
| 15 | Pinto Pache, Benjamin | 1560 | PAR | −1N | +50B | +46N | +19B | −16N | +20B | −25N | 4.0 | 24.0 | 26.0 | 12.50 | 1795 | +63.6 |
| 16 | Franco Franchi, Renato | 1836 | PAR | +50N | −1B | F | +34N | +15B | −4N | +18B | 4.0 | 24.0 | 24.0 | 13.00 | 1880 | +16.0 |
| 17 | Benitez Galeano, Gonzalo | 1473 | PAR | −2B | +56N | +9B | −31N | +30B | −26N | +37B | 4.0 | 23.5 | 25.5 | 13.50 | 1675 | +63.6 |
| 18 | Ayala Sanabria, Erick Benjamin | 1641 | PAR | +65N | =8B | −10N | =27B | +47N | +19B | −16N | 4.0 | 23.5 | 24.0 | 11.25 | 1764 | +29.1 |
| 19 | Riveros Colman, Marcos | 1863 | PAR | +55B | +11N | −3B | −15N | +51B | −18N | +34N | 4.0 | 23.0 | 25.0 | 11.50 | 1674 | -54.4 |
| 20 | Vera Gajardo, Jorge Luis | 1790 | PAR | =44B | +48N | +35B | =13N | −4B | −15N | +33B | 4.0 | 22.0 | 24.5 | 11.75 | 1639 | -19.4 |
| 21 | Gonzalez Roman, Brahian Daniel | 1667 | PAR | F | +61B | +40N | −6B | +23N | −8B | +27N | 4.0 | 21.5 | 21.5 | 11.50 | 1795 | +27.2 |
| 22 | Noguera Villalba, Vidal Samuel | 1552 | PAR | −3B | =33N | =57B | +42N | −9B | +53N | +38B | 4.0 | 21.0 | 22.5 | 9.75 | 1555 | -4.0 |
| 23 | Mino Almiron, Joaquin A. | 1548 | PAR | −7B | +58N | =14B | +57N | −21B | +44N | =31B | 4.0 | 20.0 | 21.5 | 9.00 | 1630 | +12.0 |
| 24 | del Puerto Moreno, Juan Jose | 1514 | PAR | −32N | +60B | =59N | +39B | −14B | =33N | +48B | 4.0 | 17.0 | 18.0 | 8.75 | 1502 | -1.8 |
| 25 | Centurion, Emilio | 1900 | PAR | F | +44N | +52B | −5N | F | +35B | +15B | 4.0 | 17.0 | 17.0 | 11.50 | 1874 | +1.8 |
| 26 | Gonzalez Ortiz, Veronica Gisselle | 1646 | PAR | F | +49B | +47N | =8B | −10N | +17B | −6N | 3.5 | 23.5 | 23.5 | 11.50 | 1786 | +27.6 |
| 27 | Martinez Campos, Rita Hayelen | 1452 | PAR | −13B | =30N | +54B | =18N | =11B | +52N | −21B | 3.5 | 22.0 | 24.0 | 10.00 | 1594 | +29.1 |
| 28 | Acosta Bazzano, Joaquin | 1618 | PAR | +57B | −5N | −34B | +44N | +37B | =31N | −11B | 3.5 | 21.5 | 23.0 | 8.50 | 1575 | -20.0 |
| 29 | Osorio Franco, Thiago Daniel | 1485 | PAR | −5B | −57N | +33B | =46N | +54B | =38N | =42B | 3.5 | 18.5 | 20.0 | 9.00 | 1453 | -7.2 |
| 30 | Gonzalez Mendez, Martin Ezequiel | 1582 | PAR | F | =27B | +49N | =47B | −17N | +50B | =43N | 3.5 | 17.5 | 19.5 | 8.75 | 1450 | -24.6 |
| 31 | Villasanti Ferres, Sebastian | 1735 | PAR | +38N | F | −7B | +17B | −1N | =28B | =23N | 3.0 | 25.0 | 26.0 | 10.75 | 1712 | -5.8 |
| 32 | Riline Orso, Alejandro A.CM | 2097 | PAR | +24B | +14N | −2B | +11N | −5B | F | F | 3.0 | 23.5 | 23.5 | 12.50 | 1909 | -18.4 |
| 33 | Chauffaud Farina, Axel Miguel | 0 | PAR | −59N | =22B | −29N | +67B | +40N | =24B | −20N | 3.0 | 20.0 | 20.0 | 7.00 | 1473 | 0.0 |
| 34 | Schmidt Portillo, John Alexander | 1476 | PAR | −6N | +65B | +28N | −16B | +36N | F | −19B | 3.0 | 20.0 | 20.0 | 7.00 | 1680 | +42.0 |
| 35 | Silvero Gonzalez, Arturo Ezequiel | 1481 | PAR | F | +39B | −20N | −14N | +57B | −25N | +45B | 3.0 | 19.0 | 19.0 | 7.00 | 994 | -15.6 |
| 36 | Ortiz Gimenez, David Javier | 1567 | PAR | −4B | +55N | −43B | +53N | −34B | −48N | +56B | 3.0 | 17.5 | 19.5 | 6.00 | 1396 | -40.4 |
| 37 | Saldivar Romanach, Luis Marcelo | 1549 | PAR | −64N | +45B | −12N | +60B | −28N | +47B | −17N | 3.0 | 17.5 | 18.5 | 6.00 | 1400 | -40.8 |
| 38 | Escobar, Marcos Fabian | 1409 | PAR | −31B | F | =65N | +45B | +39N | =29B | −22N | 3.0 | 16.5 | 16.5 | 7.50 | 1317 | -6.8 |
| 39 | Sanchez Balzarini, Ezequiel | 0 | PAR | F | −35N | +48B | −24N | −38B | +58N | +52B | 3.0 | 16.0 | 16.0 | 6.00 | 1295 | 0.0 |
| 40 | Alvarenga Rotela, Benjamin Emanuel | 1573 | PAR | F | +54N | −21B | −51N | −33B | +57N | +44B | 3.0 | 15.0 | 15.0 | 6.00 | 1388 | -28.4 |
| 41 | Dominguez Maidana, Juan Alberto | 1665 | PAR | +58B | −7N | F | F | F | +55N | +50B | 3.0 | 10.5 | 10.5 | 5.50 | 1770 | +6.6 |
| 42 | Temperley Espinola, Bruce Roderick | 0 | PAR | F | −2N | −11B | −22B | +60N | +?B | =29N | 2.5 | 22.0 | 22.0 | 2.75 | 1502 | 0.0 |
| 43 | Etcheverry Aranda, Estefano Daniel | 1469 | PAR | −8N | +62B | +36N | −12B | F | −9N | =30B | 2.5 | 21.5 | 21.5 | 5.75 | 1536 | +11.6 |
| 44 | Garelli Careaga, Paolo Ricardo | 1424 | PAR | =20N | −25B | +63N | −28B | +61N | −23B | −40N | 2.5 | 19.5 | 20.5 | 4.00 | 1304 | -22.8 |
| 45 | Chaparro Dionissi, Javier Ramon | 0 | PAR | −14B | −37N | +62B | −38N | =58B | +54N | −35N | 2.5 | 16.5 | 17.5 | 3.75 | 738 | 0.0 |
| 46 | Turitich Cardozo, Noah Milan | 0 | PAR | F | −13N | −15B | =29B | −50N | +61B | +51N | 2.5 | 16.5 | 16.5 | 4.75 | 1416 | 0.0 |
| 47 | Insfran Bogarin, Liam | 1447 | PAR | F | +66N | −26B | =30N | −18B | −37N | +53B | 2.5 | 16.5 | 16.5 | 4.25 | 1282 | -26.8 |
| 48 | Insfran Samaniego, Sergio Guillermo | 0 | PAR | F | −20B | −39N | =63B | +62N | +36B | −24N | 2.5 | 16.0 | 16.0 | 4.50 | 1499 | 0.0 |
| 49 | Melgarejo Cortessi, Thiago David | 0 | PAR | F | −26N | −30B | −54N | =55B | +66N | +58B | 2.5 | 13.0 | 13.0 | 3.00 | 1284 | 0.0 |
| 50 | Durelli Cabral, Maria Arami | 1424 | PAR | −16B | −15N | +58B | −9N | +46B | −30N | −41N | 2.0 | 22.0 | 23.5 | 4.00 | 862 | -42.0 |
| 51 | Arcos Ramirez, Juan | 1442 | PAR | F | −10B | +67N | +40B | −19N | −11N | −46B | 2.0 | 18.5 | 18.5 | 3.00 | 1518 | +8.4 |
| 52 | Galeano Rolin, Mateo Josias | 1562 | PAR | F | +63B | −25N | +61B | −13N | −27B | −39N | 2.0 | 16.5 | 16.5 | 2.00 | 958 | -35.2 |
| 53 | Bazzano Aquino, Patricio Alexander | 0 | PAR | −12N | F | +56B | −36B | +66N | −22B | −47N | 2.0 | 16.0 | 16.0 | 2.50 | 773 | 0.0 |
| 54 | Ortiz Villalba, Josue Enrique | 0 | PAR | F | −40B | −27N | +49B | −29N | −45B | +67N | 2.0 | 15.0 | 15.0 | 2.50 | 702 | 0.0 |
| 55 | Jara Cuquejo, Santiago Manuel | 1444 | PAR | −19N | −36B | −60N | =66B | =49N | −41B | +61N | 2.0 | 14.5 | 15.0 | 2.50 | 893 | -25.2 |
| 56 | FIDE 3724263 | 0 | — | −?N | −17B | −53N | −58N | +67B | +60B | −36N | 2.0 | 11.5 | 11.5 | 1.00 | 746 | 0.0 |
| 57 | Noguera Delgado, Gael Eduardo | 0 | PAR | −28N | +29B | =22N | −23B | −35N | −40B | −?N | 1.5 | 21.0 | 21.0 | 5.50 | 1319 | 0.0 |
| 58 | Lopez Ruiz Diaz, Sofia Isabel | 0 | PAR | −41N | −23B | −50N | +56B | =45N | −39B | −49N | 1.5 | 17.0 | 19.0 | 3.25 | 746 | 0.0 |
| 59 | Martinez Sanchez, Cristian | 1682 | PAR | +33B | −3N | =24B | F | F | F | F | 1.5 | 12.5 | 12.5 | 5.00 | 1605 | -12.0 |
| 60 | Deratany, Nickson | 0 | USA | −9B | −24N | +55B | −37N | −42B | −56N | −62B | 1.0 | 18.5 | 19.5 | 2.00 | 1354 | 0.0 |
| 61 | FIDE 20065345 | 0 | — | F | −21N | +66B | −52N | −44B | −46N | −55B | 1.0 | 13.5 | 13.5 | 0.50 | 727 | 0.0 |
| 62 | Schmidt Unger, Kenneth John | 0 | PAR | −11B | −43N | −45N | F | −48B | F | +60N | 1.0 | 13.0 | 13.0 | 1.00 | 731 | 0.0 |
| 63 | Prudhome Benitez, Victor Alejandro | 0 | PAR | =?B | −52N | −44B | =48N | F | F | F | 1.0 | 7.0 | 7.0 | 1.25 | 1261 | 0.0 |
| 64 | Pereira, FabianCM | 2114 | PAR | +37B | F | F | F | F | F | F | 1.0 | 6.0 | 6.0 | 3.00 | 2514 | +1.6 |
| 65 | Mascanfroni Nunes, Benedicto Atilio | 0 | PAR | −18B | −34N | =38B | F | F | F | F | 0.5 | 10.0 | 10.0 | 1.50 | 1234 | 0.0 |
| 66 | Santa Cruz Belotto, Joaquin Ignacio | 0 | PAR | F | −47B | −61N | =55N | −53B | −49B | F | 0.5 | 10.0 | 10.0 | 1.00 | 1253 | 0.0 |
| 67 | FIDE 3718654 | 0 | — | F | −?N | −51B | −33N | −56N | F | −54B | 0.0 | 9.0 | 9.0 | 0.00 | 728 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Benitez Galeano, GonzaloPAR+63.64.0 pts · #16
- 2Pinto Pache, BenjaminPAR+63.64.0 pts · #20
- 3Schmidt Portillo, John AlexanderPAR+42.03.0 pts · #29
Top rating losers
- 1Riveros Colman, MarcosPAR-54.44.0 pts · #11
- 2Durelli Cabral, Maria AramiPAR-42.02.0 pts · #62
- 3Saldivar Romanach, Luis MarceloPAR-40.83.0 pts · #45
Biggest upsets
- R4+303 Elo gap
- R5+276 Elo gap
- R7+238 Elo gap