XXXI IRT CLASICO - 8 ANIVERSARIO REAL CHESS CLUB
Open SwissStandard
54 players participated in this 7-round tournament, held from 27 Jun 2025 to 29 Jun 2025 in Trujillo, Peru. 10 titled players from 5 federations. Top 10 Elo average was 2163, and top seed was Gianmarco Leiva (🇵🇪 PER, IM, 2387).
Christopher Leonel Garzon Zapatanga (🇪🇨 ECU, IM, 2155) won with 5.5/7, ahead of Fernando Miguel Fernandez Sanchez (5.5) and Felipe Vergara Jofre (5.5). Garzon Zapatanga shared the lead from round 2, winning on tie-break.
The biggest upset came in round 1: Hector Ivan Ravello Arroyo (1675) beat Jose Contreras (2146), a +471-point gap.
Location
🇵🇪Trujillo, Peru
Dates
27 Jun 2025 → 29 Jun 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Titled players · 10
IM×3
FM×5
WFM×2
Federations · 5 represented
🇵🇪Peru×47
🇨🇺Cuba×1
🇨🇱Chile×1
🇪🇨Ecuador×1
🇦🇹Austria×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsTight race until R7; 3 players tied at 5.5/7, decided on Buchholz. Title race narrowed from 3 co-leaders at R4 to 3 at the finish.
Co-leaders
19
8
2
3
1
1
3
R7 · TIEBREAK CLUSTER
3 players finish on 5.5/7. Garzon Zapatanga takes the title on Buchholz Cut1 (26.5).
R6 · HEAD-TO-HEAD · WINNER VS 2ND
IM Fernando Miguel Fernandez Sanchez drew with IM Christopher Leonel Garzon Zapatanga (White).
WIN STREAKS · 2 top finishers
IM Fernando Miguel Fernandez Sanchez 4 wins (R1–R5)IM Christopher Leonel Garzon Zapatanga 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1IMFernando Miguel Fernandez Sanchez | * | ½ | — | — |
| 2IMChristopher Leonel Garzon Zapatanga | ½ | * | 1 | — |
| 3FMFelipe Vergara Jofre | — | 0 | * | — |
| 4Bertin Donayre | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Garzon Zapatanga, Christopher LeonelIM | 2155 | ECU | +40B | +15N | +33B | =13N | +3B | =2N | =6B | 5.5 | 26.5 | 28.5 | 21.25 | 2256 | +39.6 |
| 2 | Fernandez Sanchez, Fernando MiguelIM | 2376 | PER | +8N | F | +46B | +9N | +13B | =1B | +10N | 5.5 | 24.5 | 24.5 | 21.75 | 2453 | +3.7 |
| 3 | Vergara Jofre, FelipeFM | 2175 | CHI | +19N | +17B | =34N | +25B | −1N | +33B | +9N | 5.5 | 23.0 | 25.5 | 18.75 | 2142 | -2.2 |
| 4 | Vasquez Navez, Mark Lenin | 1862 | PER | +18N | −10B | +29N | +14B | =5N | +17B | =7B | 5.0 | 26.5 | 29.5 | 20.00 | 2027 | +61.2 |
| 5 | Donayre, Bertin | 2113 | PER | +11B | +16N | =9B | =27N | =4B | =13N | +15B | 5.0 | 26.0 | 29.0 | 20.75 | 2026 | -10.8 |
| 6 | Contreras, Jose | 2146 | PER | −14N | +30B | +19N | +34B | =33N | +11B | =1N | 5.0 | 23.0 | 25.5 | 17.50 | 2022 | -13.2 |
| 7 | Gallo Ponce, ElbertFM | 2055 | PER | +20N | −25B | +43N | +28B | +16N | =10B | =4N | 5.0 | 23.0 | 25.0 | 17.25 | 1977 | -7.2 |
| 8 | Villanueva Arroyo, Segundo | 1751 | PER | −2B | −26N | +42N | +51B | +29N | +25B | +13B | 5.0 | 20.5 | 20.5 | 12.00 | 1877 | +18.6 |
| 9 | Pumachaico Valdiviezo, Piero Alonso | 1929 | PER | +26B | +14N | =5N | −2B | +23N | +27B | −3B | 4.5 | 26.5 | 29.5 | 16.00 | 2076 | +55.6 |
| 10 | Cabrera Huaman, AndresFM | 2253 | PER | +22B | +4N | −13B | +37N | +21B | =7N | −2B | 4.5 | 26.5 | 29.0 | 17.00 | 2076 | -22.2 |
| 11 | Nunez Castaneda, Joaquin Alonso | 1674 | PER | −5N | +50B | +17N | +46B | =27B | −6N | +31B | 4.5 | 21.0 | 21.0 | 9.50 | 1953 | +93.6 |
| 12 | Silva Honores, Luciana Victoria | 1758 | PER | +47N | −34B | +52N | =23B | =25N | =16B | +27N | 4.5 | 17.0 | 17.0 | 9.25 | 1900 | +36.0 |
| 13 | Rodriguez Rubio, Alex Steven | 1970 | PER | +32B | +21N | +10N | =1B | −2N | =5B | −8N | 4.0 | 29.0 | 32.0 | 16.25 | 2056 | +15.6 |
| 14 | Ravello Arroyo, Hector Ivan | 1675 | PER | +6B | −9B | +24N | −4N | −15B | +32N | +26B | 4.0 | 25.0 | 28.0 | 14.50 | 1880 | +70.8 |
| 15 | Diaz Bermudez, Pedro Teofilo | 1818 | PER | +35N | −1B | =39N | =24B | +14N | +28B | −5N | 4.0 | 23.5 | 25.5 | 12.25 | 1847 | +14.0 |
| 16 | Gomez Gonzales, FabianaWFM | 1796 | PER | +45B | −5B | +51N | +26N | −7B | =12N | =18B | 4.0 | 23.0 | 23.0 | 8.75 | 1748 | -14.0 |
| 17 | Marcelo Aguinaga, Angel Leonel | 1852 | PER | +53B | −3N | −11B | +30N | +43B | −4N | +29B | 4.0 | 23.0 | 23.0 | 8.00 | 1777 | -20.8 |
| 18 | Api Bringas, Zamari Teresa | 1540 | PER | −4B | −22N | +50B | +31N | +40B | =39N | =16N | 4.0 | 19.5 | 19.5 | 8.00 | 1748 | +71.2 |
| 19 | Gaspar Guevara, DarlingWFM | 1709 | PER | −3B | +53N | −6B | +54N | +32B | =21N | −24B | 3.5 | 20.5 | 20.5 | 4.75 | 1793 | +15.6 |
| 20 | Romero Condor, Flavio Cesar | 1647 | PER | −7B | +45N | +31B | −21N | −37B | =30N | +42B | 3.5 | 19.0 | 20.5 | 8.00 | 1728 | +20.8 |
| 21 | Loayza Velez, Max Hernan | 1775 | PER | +50N | −13B | +54N | +20B | −10N | =19B | −23N | 3.5 | 19.0 | 19.0 | 5.25 | 1769 | -3.6 |
| 22 | Barrantes Cueva, Mateo Josue | 1710 | PER | −10N | +18B | +48N | −33B | =39N | −23B | +41N | 3.5 | 18.5 | 19.5 | 8.00 | 1692 | -12.4 |
| 23 | Zarate Oyague, Flor De Maria | 1981 | PER | F | F | +40B | =12N | −9B | +22N | +21B | 3.5 | 18.0 | 18.0 | 11.25 | 1919 | -6.0 |
| 24 | Gonzalez Mesa, DanielFM | 1949 | CUB | F | F | −14B | =15N | +46N | +41B | +19N | 3.5 | 14.5 | 14.5 | 8.50 | 1809 | -13.0 |
| 25 | Moscoso Tellez, Joe Goldtie Marshall | 1763 | PER | +39B | +7N | =37B | −3N | =12B | −8N | −43B | 3.0 | 24.5 | 26.5 | 10.50 | 1748 | -11.2 |
| 26 | Vasquez Alva, Marco Joaquin | 1552 | PER | −9N | +8B | +41N | −16B | −28N | +46B | −14N | 3.0 | 22.5 | 23.5 | 8.00 | 1654 | +32.0 |
| 27 | Sifuentes Alcantara, Jhony Sebas | 1993 | PER | F | +36N | +49B | =5B | =11N | −9N | −12B | 3.0 | 22.0 | 22.0 | 8.25 | 1909 | -11.8 |
| 28 | Sebastian Grados, Luis Fernando | 1752 | PER | +38B | −33N | +32B | −7N | +26B | −15N | F | 3.0 | 20.0 | 22.0 | 8.50 | 1726 | -4.8 |
| 29 | Villacorta Asto, Rodrigo Sebastian | 1609 | PER | +31B | −49N | −4B | +47N | −8B | +40N | −17N | 3.0 | 20.0 | 21.0 | 6.00 | 1726 | +28.0 |
| 30 | Castro Vasquez, Luis Adrian | 1585 | PER | −34N | −6N | +35B | −17B | +52N | =20B | =38B | 3.0 | 20.0 | 20.0 | 5.50 | 1642 | +4.4 |
| 31 | Kastenhuber, Robert | 1968 | AUT | −29N | +44B | −20N | −18B | +50N | +36B | −11N | 3.0 | 19.5 | 19.5 | 4.50 | 1551 | -65.8 |
| 32 | Salazar Rodriguez, Luis | 1623 | PER | −13N | +47B | −28N | +48B | −19N | −14B | +51N | 3.0 | 16.5 | 16.5 | 2.00 | 976 | -25.6 |
| 33 | Alfaro Zambrano, Luis FabricioFM | 1940 | PER | F | +28B | −1N | +22N | =6B | −3N | F | 2.5 | 24.5 | 24.5 | 9.00 | 1988 | +11.6 |
| 34 | Ventura Chilon, Miguel | 1968 | PER | +30B | +12N | =3B | −6N | F | F | F | 2.5 | 18.0 | 18.0 | 10.25 | 2013 | +6.4 |
| 35 | Esparza Murrugarra, Fabio | 1500 | PER | −15B | −40N | −30N | =45B | +47B | −42N | +44N | 2.5 | 14.5 | 15.5 | 3.75 | 1405 | -31.2 |
| 36 | Cruz Ocas, Estefano Daniel | 1488 | PER | F | −27B | +38N | =39B | −41N | −31N | +48B | 2.5 | 13.5 | 13.5 | 4.50 | 1346 | -28.0 |
| 37 | Chaponan Valdera, Victor Andres | 1771 | PER | F | +41B | =25N | −10B | +20N | F | F | 2.5 | 13.0 | 13.0 | 7.00 | 1864 | +16.4 |
| 38 | Silva Anton, Carlos Josemaria | 0 | PER | −28N | F | −36B | −42B | +45N | +50B | =30N | 2.5 | 12.0 | 12.0 | 3.00 | 1480 | 0.0 |
| 39 | Bobadilla Zavaleta, Victor Josue | 1438 | PER | −25N | F | =15B | =36N | =22B | =18B | F | 2.0 | 20.0 | 20.0 | 7.00 | 1590 | +32.0 |
| 40 | Barbaran Villena, Carlos Eduardo | 1675 | PER | −1N | +35B | −23N | +52B | −18N | −29B | F | 2.0 | 18.5 | 18.5 | 2.50 | 1501 | -24.4 |
| 41 | Sanchez Negreiros, Alejandro Gustavo | 1488 | PER | F | −37N | −26B | +53N | +36B | −24N | −22B | 2.0 | 15.0 | 15.0 | 2.50 | 1529 | +7.6 |
| 42 | Guadalupe Lujan, Ariana Isabelle | 1467 | PER | F | −46N | −8B | +38N | F | +35B | −20N | 2.0 | 14.5 | 14.5 | 5.00 | 1419 | -10.4 |
| 43 | Anticona Bocanegra, Fabrizio Aaron | 1644 | PER | F | F | −7B | F | −17N | +44B | +25N | 2.0 | 14.0 | 14.0 | 5.00 | 1805 | +28.8 |
| 44 | Hutter Baun, Walter | 1567 | PER | F | −31N | +45B | F | +54B | −43N | −35B | 2.0 | 11.5 | 11.5 | 1.50 | 1453 | -13.8 |
| 45 | Orbegoso Romero, Alvaro Israel | 1470 | PER | −16N | −20B | −44N | =35N | −38B | +52B | F | 1.5 | 15.5 | 15.5 | 1.25 | 1307 | -28.8 |
| 46 | Otoya Saavedra, Alejandro Antonio | 1541 | PER | F | +42B | −2N | −11N | −24B | −26N | F | 1.0 | 20.0 | 20.0 | 2.00 | 1475 | -22.8 |
| 47 | Renteria Bermejo, Steven Manuel | 0 | PER | −12B | −32N | +53B | −29B | −35N | F | F | 1.0 | 13.0 | 13.0 | 0.00 | 1365 | 0.0 |
| 48 | FIDE 81444087 | 0 | — | F | F | −22B | −32N | F | +54B | −36N | 1.0 | 9.0 | 9.0 | 0.00 | 805 | 0.0 |
| 49 | Leiva, GianmarcoIM | 2387 | PER | F | +29B | −27N | F | F | F | F | 1.0 | 6.0 | 6.0 | 3.00 | 1990 | -8.4 |
| 50 | Castillo Gutierrez, Manuel Erinzo | 1467 | PER | −21B | −11N | −18N | F | −31B | −38N | F | 0.0 | 18.5 | 18.5 | 0.00 | 914 | -34.4 |
| 51 | Aurazo Ferrari, Rafael | 0 | PER | F | F | −16B | −8N | F | F | −32B | 0.0 | 13.0 | 13.0 | 0.00 | 925 | 0.0 |
| 52 | FIDE 81450680 | 0 | — | F | F | −12B | −40N | −30B | −45N | F | 0.0 | 11.0 | 11.0 | 0.00 | 824 | 0.0 |
| 53 | Farmakidis Riveros, Mario Steffano | 1532 | PER | −17N | −19B | −47N | −41B | F | F | F | 0.0 | 10.5 | 10.5 | 0.00 | 879 | -38.8 |
| 54 | FIDE 81456174 | 0 | — | F | F | −21B | −19B | −44N | −48N | F | 0.0 | 10.0 | 10.0 | 0.00 | 884 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Nunez Castaneda, Joaquin AlonsoPER+93.64.5 pts · #9
- 2Api Bringas, Zamari TeresaPER+71.24.0 pts · #14
- 3Ravello Arroyo, Hector IvanPER+70.84.0 pts · #11
Top rating losers
- 1Kastenhuber, RobertAUT-65.83.0 pts · #24
- 2Farmakidis Riveros, Mario SteffanoPER-38.80.0 pts · #51
- 3Castillo Gutierrez, Manuel ErinzoPER-34.40.0 pts · #48
Biggest upsets
- R1+471 Elo gap
- R4+428 Elo gap
- R3+394 Elo gap