Copa Nexus Rotary 2025 Categoria Abierta
SwissStandard
53 players participated in this 6-round tournament, held from 23 May 2025 to 25 May 2025 in CHH, Delicias, Mexico. 8 titled players from 4 federations. Top 10 Elo average was 2242, and top seed was Jorge Cori (🇵🇪 PER, GM, 2597).
Jorge Cori (🇵🇪 PER, GM, 2597) won with 5.5/6, ahead of Juan Carlos Obregon Rivero (5.0) and Allan Martinez Castaneda (5.0). Cori won solo starting round 5.
The biggest upset came in round 2: Sebastian Flores Pacheco (1828) beat Miguel Exiq Garcia Ibarra (2101), a +273-point gap.
Location
🇲🇽CHH, Delicias, Mexico
Dates
23 May 2025 → 25 May 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 6 rounds
Titled players · 8
GM×3
FM×3
WCM×2
Federations · 4 represented
🇲🇽Mexico×41
🇺🇸United States of America×1
🇻🇪Venezuela×1
🇵🇪Peru×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsGM Jorge Cori led from R5; +0.5-point edge over the runner-up. Title race converged from 4 co-leaders at R4 to 1 by R5.
Co-leaders
20
11
3
4
1
1
R5–R6 · LEAD HELD
GM Jorge Cori held the sole lead from R5 through R6 without losing it.
WIN STREAKS · 3 top finishers
GM Jorge Cori 3 wins (R1–R3)Allan Martinez Castaneda 3 wins (R4–R6)GM Juan Carlos Obregon Rivero 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1GMJorge Cori | * | — | ½ | — |
| 2Allan Martinez Castaneda | — | * | 0 | — |
| 3GMJuan Carlos Obregon Rivero | ½ | 1 | * | — |
| 4Manuel Alejandro Zubia Portillo | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Cori, JorgeGM | 2597 | PER | +20B | +30N | +15B | =2N | +4B | +16N | 5.5 | 19.5 | 21.5 | 19.00 | 2686 | +4.3 |
| 2 | Obregon Rivero, Juan CarlosGM | 2476 | MEX | +19N | +14B | +3N | =1B | =8N | +9B | 5.0 | 22.0 | 25.0 | 20.25 | 2444 | +0.5 |
| 3 | Martinez Castaneda, Allan | 2026 | MEX | +36B | +11N | −2B | +29N | +10B | +8B | 5.0 | 19.0 | 21.0 | 16.00 | 2222 | +28.2 |
| 4 | Hernandez Guerrero, GilbertoGM | 2433 | MEX | +12B | +10N | =5B | +6N | −1N | +17B | 4.5 | 22.5 | 26.0 | 18.25 | 2322 | -3.7 |
| 5 | Hernandez Jimenez, Alexander AndresFM | 2043 | VEN | +46N | +23B | =4N | =8B | =27N | +13N | 4.5 | 17.5 | 18.5 | 13.00 | 2236 | +26.0 |
| 6 | Gonzalez Estrada, Jesus Yo | 1930 | MEX | +40N | +47B | =9N | −4B | +24N | +25B | 4.5 | 15.0 | 16.0 | 9.50 | 2070 | +28.4 |
| 7 | Zubia Portillo, Manuel Alejandro | 1902 | MEX | +34B | +43N | −8N | +39B | =16N | +27B | 4.5 | 14.0 | 15.0 | 9.25 | 2138 | +35.6 |
| 8 | Rascon Vega, Alfonso | 2146 | MEX | +22B | +29N | +7B | =5N | =2B | −3N | 4.0 | 22.0 | 24.0 | 14.25 | 2128 | -1.6 |
| 9 | Tarin Garcia, Luis Miguel | 2124 | MEX | +24B | +32N | =6B | =13N | +25B | −2N | 4.0 | 18.0 | 20.0 | 11.00 | 2100 | -0.4 |
| 10 | Alvidrez Aguirre, Genaro | 1896 | MEX | +35N | −4B | +50N | +19B | −3N | +26B | 4.0 | 17.0 | 17.0 | 7.50 | 1849 | -5.0 |
| 11 | Luna Burrola, Diego | 1765 | MEX | +49N | −3B | +42N | −27B | +19N | +32B | 4.0 | 13.5 | 13.5 | 6.00 | 1814 | +3.6 |
| 12 | Zapata Salazar, Jesus Daniel | 1606 | MEX | −4N | +45B | F | +44N | +29B | +31N | 4.0 | 10.5 | 10.5 | 6.00 | 1962 | +52.0 |
| 13 | Garcia Ibarra, Miguel Exiq | 2101 | MEX | +28N | −17B | +21N | =9B | +14N | −5B | 3.5 | 18.5 | 21.0 | 11.00 | 1921 | -21.0 |
| 14 | Hernandez Sigala, Jaime | 1911 | MEX | +33B | −2N | +22B | =15N | −13B | +20N | 3.5 | 18.0 | 20.0 | 9.75 | 1948 | +1.6 |
| 15 | Miranda Talavera, Irving A | 2091 | MEX | +21N | +31B | −1N | =14B | −17N | +24B | 3.5 | 18.0 | 20.0 | 9.25 | 1922 | -19.6 |
| 16 | Wharton, WilliamFM | 2297 | USA | F | +44N | +18B | +17N | =7B | −1B | 3.5 | 18.0 | 18.0 | 10.25 | 2168 | -8.2 |
| 17 | Flores Pacheco, Sebastian | 1828 | MEX | +52B | +13N | =25N | −16B | +15B | −4N | 3.5 | 17.5 | 17.5 | 8.25 | 2108 | +63.2 |
| 18 | Garcia Orozco, Abigail | 1706 | MEX | =37B | +26N | −16N | −24B | +38N | +28B | 3.5 | 13.0 | 15.0 | 8.00 | 1727 | +2.4 |
| 19 | Hernandez Regalado, Luis | 0 | MEX | −2B | +41N | +30B | −10N | −11B | +43N | 3.0 | 16.5 | 17.5 | 4.50 | 1746 | 0.0 |
| 20 | Aguilar Huang, Julio Alberto | 1637 | MEX | −1N | −35B | +45N | +36B | +30N | −14B | 3.0 | 15.0 | 16.0 | 5.00 | 1690 | +2.4 |
| 21 | Trevizo Palacios, Soid Miguel | 0 | MEX | −15B | +33N | −13B | −26N | +34N | +42B | 3.0 | 13.5 | 14.5 | 5.00 | 1659 | 0.0 |
| 22 | Acosta Rodela, Aaron Daniel | 0 | MEX | −8N | +?B | −14N | +50B | −32N | +33B | 3.0 | 11.5 | 11.5 | 2.00 | 1112 | 0.0 |
| 23 | Gonzalez Castro, Isis | 1646 | MEX | +42B | −5N | F | F | +48B | +50N | 3.0 | 6.5 | 6.5 | 2.00 | 1765 | +8.4 |
| 24 | Casillas Orona, Federico Moctezuma | 1552 | MEX | −9N | +49B | =26B | +18N | −6B | −15N | 2.5 | 18.0 | 18.0 | 4.75 | 1679 | +10.6 |
| 25 | Sierra Arballo, Jesus | 1893 | MEX | F | +37N | =17B | +31B | −9N | −6N | 2.5 | 16.0 | 16.0 | 5.75 | 1802 | -10.6 |
| 26 | Garcia Dorado, Mary Carmen | 1599 | MEX | F | −18B | =24N | +21B | +33N | −10N | 2.5 | 15.0 | 15.0 | 6.25 | 1445 | -22.8 |
| 27 | Ramirez Ruacho, Juan ManuelFM | 2111 | MEX | F | F | +43B | +11N | =5B | −7N | 2.5 | 14.0 | 14.0 | 7.25 | 1950 | -6.7 |
| 28 | Morales Barcelo, Ian Carlo | 1505 | MEX | −13B | +34N | F | =42B | +41N | −18N | 2.5 | 11.5 | 11.5 | 4.00 | 1619 | +12.8 |
| 29 | Salas Estrada, Ana PaolaWCM | 1832 | MEX | +45N | −8B | F | −3B | −12N | +36B | 2.0 | 16.0 | 17.0 | 3.00 | 1626 | -21.2 |
| 30 | Mendoza Villegas, Mauricio | 0 | MEX | F | −1B | −19N | +37N | −20B | +46N | 2.0 | 14.5 | 14.5 | 3.00 | 1317 | 0.0 |
| 31 | Espinoza Rios, Neftali Armando | 1675 | MEX | +41B | −15N | +44B | −25N | F | −12B | 2.0 | 13.5 | 14.5 | 2.50 | 1057 | -35.6 |
| 32 | Ordonez Sanchez, Andrea Angelica | 1679 | MEX | F | −9B | F | +46N | +22B | −11N | 2.0 | 12.0 | 12.0 | 4.00 | 1122 | -18.4 |
| 33 | Carrasco Montoya, Sebastian | 0 | MEX | −14N | −21B | +51N | +?B | −26B | −22N | 2.0 | 12.0 | 12.0 | 0.00 | 1611 | 0.0 |
| 34 | Alvidrez Hernandez, Sury | 0 | MEX | −7N | −28B | F | +53N | −21B | +40B | 2.0 | 11.5 | 11.5 | 1.50 | 906 | -32.4 |
| 35 | Cardenas Lopez, Pablo Fernando | 0 | MEX | −10B | +20N | F | +38B | F | F | 2.0 | 11.0 | 11.0 | 5.00 | 1701 | 0.0 |
| 36 | Morales Barcelo, Michell Sophia | 1498 | MEX | −3N | +51B | F | −20N | +44B | −29N | 2.0 | 11.0 | 11.0 | 1.00 | 989 | -20.4 |
| 37 | Martinez Hernandez, Manuel Cayeta | 0 | MEX | =18N | −25B | +?N | −30B | =42N | −?B | 2.0 | 9.0 | 9.0 | 2.25 | 1493 | 0.0 |
| 38 | Hernandez Lopez, Sarahi | 1510 | MEX | −47N | +40B | F | −35N | −18B | +49N | 2.0 | 8.0 | 8.0 | 1.50 | 906 | -10.0 |
| 39 | Guzman Garcia, Mia FernandaWCM | 1880 | MEX | F | F | +46B | −7N | +43B | F | 2.0 | 6.5 | 6.5 | 2.00 | 1760 | -11.6 |
| 40 | Rodriguez, Mancinas Alondra Viole | 0 | MEX | −6B | −38N | =41B | −48N | +?B | −34N | 1.5 | 11.0 | 11.0 | 0.75 | 836 | 0.0 |
| 41 | FIDE 550004034 | 0 | — | −31N | −19B | =40N | F | −28B | +45N | 1.5 | 10.0 | 10.0 | 1.75 | 791 | 0.0 |
| 42 | Segundo Navarrete, Jesus Alfonso | 0 | MEX | −23N | F | −11B | =28N | =37B | −21N | 1.0 | 14.5 | 14.5 | 2.25 | 1367 | 0.0 |
| 43 | Gardea Coronado, Mayte Alexandra | 1617 | MEX | F | −7B | −27N | +49B | −39N | −19B | 1.0 | 12.0 | 12.0 | 0.00 | 1133 | -16.8 |
| 44 | FIDE 550003941 | 0 | — | +51N | −16B | −31N | −12B | −36N | F | 1.0 | 11.5 | 11.5 | 0.00 | 968 | 0.0 |
| 45 | FIDE 29695449 | 0 | — | −29B | −12N | −20B | +?N | −?N | −41B | 1.0 | 10.5 | 10.5 | 0.00 | 893 | 0.0 |
| 46 | Del Val Lopez, Celso | 0 | MEX | −5B | F | −39N | −32B | +49N | −30B | 1.0 | 10.5 | 10.5 | 0.00 | 1067 | 0.0 |
| 47 | FIDE 550004085 | 0 | — | +38B | −6N | F | F | F | F | 1.0 | 8.5 | 8.5 | 2.00 | 1720 | 0.0 |
| 48 | Molina Ronquillo, Pablo | 1484 | MEX | F | F | F | +40B | −23N | F | 1.0 | 4.5 | 4.5 | 1.50 | 846 | -11.6 |
| 49 | FIDE 550004042 | 0 | — | −11B | −24N | F | −43N | −46B | −38B | 0.0 | 10.5 | 10.5 | 0.00 | 811 | 0.0 |
| 50 | FIDE 550004050 | 0 | — | F | F | −10B | −22N | F | −23B | 0.0 | 10.0 | 10.0 | 0.00 | 971 | 0.0 |
| 51 | FIDE 550004107 | 0 | — | −44B | −36N | −33B | F | F | F | 0.0 | 5.0 | 5.0 | 0.00 | 698 | 0.0 |
| 52 | FIDE 550004018 | 0 | — | −17N | F | F | F | F | F | 0.0 | 4.5 | 4.5 | 0.00 | 1028 | 0.0 |
| 53 | FIDE 550004115 | 0 | — | F | F | F | −34B | F | F | 0.0 | 3.0 | 3.0 | 0.00 | 818 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Flores Pacheco, SebastianMEX+63.23.5 pts · #10
- 2Zapata Salazar, Jesus DanielMEX+52.04.0 pts · #16
- 3Zubia Portillo, Manuel AlejandroMEX+35.64.5 pts · #2
Top rating losers
- 1Espinoza Rios, Neftali ArmandoMEX-35.62.0 pts · #45
- 2Alvidrez Hernandez, SuryMEX-32.42.0 pts · #53
- 3Garcia Dorado, Mary CarmenMEX-22.82.5 pts · #33
Biggest upsets
- R2+273 Elo gap
- R5+263 Elo gap
- R5+226 Elo gap