Abierto Nacional "Viva La Paz en el Bicentenario de Bolivia"
Open SwissStandard
47 players participated in this 7-round tournament, held from 17 Jul 2025 to 20 Jul 2025 in La Paz, Bolivia. 4 titled players. Top 10 Elo average was 1971, and top seed was Jonathan I. Montevilla Cahuasa (🇧🇴 BOL, CM, 2243).
Jonathan I. Montevilla Cahuasa (🇧🇴 BOL, CM, 2243) won with 6.5/7, ahead of Maveric Mayta Aiza (6.0) and Mario Medrano (6.0). Montevilla Cahuasa won solo starting round 6.
The biggest upset came in round 2: Oliver Albert Rodriguez Lujan (1561) beat Guy Bautista (2224), a +663-point gap.
Location
🇧🇴La Paz, Bolivia
Dates
17 Jul 2025 → 20 Jul 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Titled players · 4
CM×2
WCM×2
Federations · 1 represented
🇧🇴Bolivia×42
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsCM Jonathan I. Montevilla Cahuasa led from R6; +0.5-point edge over the runner-up. Title race converged from 3 co-leaders at R4 to 1 by R6.
Co-leaders
22
11
6
3
3
1
1
R6–R7 · LEAD HELD
CM Jonathan I. Montevilla Cahuasa held the sole lead from R6 through R7 without losing it.
R5 · HEAD-TO-HEAD · WINNER VS 2ND
CM Jonathan I. Montevilla Cahuasa drew with CM Maveric Mayta Aiza (White).
WIN STREAKS · 3 top finishers
CM Jonathan I. Montevilla Cahuasa 4 wins (R1–R4)CM Maveric Mayta Aiza 4 wins (R1–R4)Mario Medrano 4 wins (R1–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1CMJonathan I. Montevilla Cahuasa | * | ½ | — | 1 |
| 2CMMaveric Mayta Aiza | ½ | * | ½ | — |
| 3Mario Medrano | — | ½ | * | 1 |
| 4Elias Alejandro Montevilla C. | 0 | — | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Montevilla Cahuasa, Jonathan I.CM | 2243 | BOL | +25B | +17N | +6B | +20N | =2B | +4N | +5B | 6.5 | 28.5 | 31.5 | 28.50 | 2316 | +16.0 |
| 2 | Mayta Aiza, MavericCM | 2180 | BOL | +31N | +10B | +13N | +4B | =1N | =3B | +11N | 6.0 | 30.5 | 33.5 | 27.25 | 2214 | +13.7 |
| 3 | Medrano, Mario | 2029 | BOL | +15B | +21N | +5B | +9N | =20B | =2N | +6B | 6.0 | 28.0 | 31.5 | 26.75 | 2114 | +14.2 |
| 4 | Villca Pereira, Rafael | 1850 | BOL | +14N | +44B | +12N | −2N | +8B | −1B | +13N | 5.0 | 30.0 | 31.0 | 18.50 | 1982 | +42.0 |
| 5 | Mamani Apaza, Vladimir Nestor | 1795 | BOL | +30N | +35B | −3N | +12B | +27N | +18B | −1N | 5.0 | 27.0 | 29.0 | 16.50 | 1901 | +20.2 |
| 6 | Montevilla C., Elias Alejandro | 1822 | BOL | +36N | +29B | −1N | +35B | +10N | +13B | −3N | 5.0 | 26.0 | 28.0 | 15.50 | 1953 | +24.2 |
| 7 | Rodriguez Barrientos, Johan Raziel | 1684 | BOL | +42B | −20N | +33B | =22N | =28B | +15N | +21B | 5.0 | 20.5 | 21.5 | 14.75 | 1724 | +14.4 |
| 8 | Navarro Gorena, Angel | 1744 | BOL | +40B | +47N | −20B | +25N | −4N | +27B | +16N | 5.0 | 20.0 | 20.0 | 11.50 | 1803 | +8.8 |
| 9 | Mamani Lima, Jose Andres | 1661 | BOL | +37N | +16B | +11N | −3B | −13N | +14B | =10N | 4.5 | 27.0 | 29.0 | 16.75 | 1853 | +59.6 |
| 10 | Quisbert Quispe, Leonidaz Kalel | 1730 | BOL | +45B | −2N | +15B | +31N | −6B | +28N | =9B | 4.5 | 25.5 | 25.5 | 12.25 | 1761 | +8.4 |
| 11 | Ramallo Aguilar, Ariadne Ricela | 1808 | BOL | +28B | =26N | −9B | +19N | +22B | +20N | −2B | 4.5 | 24.5 | 27.5 | 15.50 | 1787 | -1.2 |
| 12 | Cachi Sirpa, Bryan Fernando | 1594 | BOL | +41N | +18B | −4B | −5N | +23B | =21N | +20B | 4.5 | 24.5 | 25.5 | 13.75 | 1801 | +26.2 |
| 13 | Gareca Ordonez, Carla AngelicaWCM | 1844 | BOL | +22B | +32N | −2B | +26N | +9B | −6N | −4B | 4.0 | 27.0 | 30.0 | 14.00 | 1804 | -6.0 |
| 14 | Guzman Heredia, Simon | 1512 | BOL | −4B | +34N | −21B | +24N | +32B | −9N | +25B | 4.0 | 22.5 | 25.0 | 12.00 | 1613 | +11.8 |
| 15 | Rodriguez Lujan, Oliver Albert | 1561 | BOL | −3N | +38B | −10N | +43B | +35N | −7B | +28N | 4.0 | 22.5 | 23.5 | 8.00 | 1740 | +48.0 |
| 16 | Rocha, Ignacio | 1852 | BOL | +33B | −9N | −26B | +34N | +31B | +25N | −8B | 4.0 | 21.5 | 24.0 | 11.50 | 1616 | -34.6 |
| 17 | Coro, SoledadWCM | 1735 | BOL | +38N | −1B | −27N | F | +29B | +37B | +33N | 4.0 | 19.5 | 19.5 | 10.00 | 1860 | +13.0 |
| 18 | Achocalla Huaipara, Pavel Andres | 1811 | BOL | F | −12N | +45B | +29B | +26N | −5N | +22B | 4.0 | 19.0 | 19.0 | 9.50 | 1701 | -12.8 |
| 19 | Yupanqui Zapata, Rodrigo | 1491 | BOL | F | −25N | +23B | −11B | +41N | +26B | +32N | 4.0 | 18.0 | 18.0 | 10.50 | 1665 | +34.0 |
| 20 | Cazorla Herrera, Rudy Daniel | 1853 | BOL | +27N | +7B | +8N | −1B | =3N | −11B | −12N | 3.5 | 31.5 | 34.5 | 16.00 | 1803 | -18.4 |
| 21 | Alanoca Torrez, Jefferson | 1693 | BOL | +46N | −3B | +14N | −27B | +36N | =12B | −7N | 3.5 | 24.5 | 24.5 | 8.25 | 1580 | -40.4 |
| 22 | Escalier Rojas, Bruno Andres | 1490 | BOL | −13N | +37B | +44N | =7B | −11N | +35B | −18N | 3.5 | 21.5 | 22.5 | 7.50 | 1680 | +50.8 |
| 23 | Paco Mamani, Eliezer Jesus | 0 | BOL | −35N | +30B | −19N | +40B | −12N | +36B | =26N | 3.5 | 18.5 | 20.0 | 8.00 | 1484 | 0.0 |
| 24 | Loza Ponce, Miguel Eleazar | 0 | BOL | −29N | −36B | +38N | −14B | =30N | +40B | +34B | 3.5 | 16.5 | 18.0 | 7.50 | 1505 | 0.0 |
| 25 | Nava Pinedo, Noe Bethuel | 1576 | BOL | −1N | +19B | +40N | −8B | +37N | −16B | −14N | 3.0 | 25.5 | 27.0 | 7.50 | 1477 | -29.2 |
| 26 | Quispe Mamani, Nikaela Nazaret | 1631 | BOL | +39N | =11B | +16N | −13B | −18B | −19N | =23B | 3.0 | 24.0 | 26.0 | 10.00 | 1613 | -3.2 |
| 27 | Macuchapi Mamani, Jehu Benjamin | 1524 | BOL | −20B | +42N | +17B | +21N | −5B | −8N | F | 3.0 | 23.0 | 24.0 | 8.50 | 1692 | +39.2 |
| 28 | Yujra Condori, Miguel Angel | 1480 | BOL | −11N | +43B | =29N | +36B | =7N | −10B | −15B | 3.0 | 23.0 | 24.0 | 7.00 | 1524 | +10.0 |
| 29 | Arteaga Herbas, Thiago Andre | 1635 | BOL | +24B | −6N | =28B | −18N | −17N | =30B | +46N | 3.0 | 22.5 | 22.5 | 6.50 | 1414 | -54.0 |
| 30 | Quispe Mamani, Katerin Gabriela | 0 | BOL | −5B | −23N | −34B | +45N | =24B | =29N | +41N | 3.0 | 18.5 | 18.5 | 4.25 | 1521 | +7.2 |
| 31 | Huanto Aruquipa, Efren | 1566 | BOL | −2B | +45N | +47B | −10B | −16N | −38N | +37B | 3.0 | 18.5 | 18.5 | 2.00 | 1082 | -24.4 |
| 32 | Gemio Yujra, Daniel Donato | 1643 | BOL | +43N | −13B | −36N | +39B | −14N | +41B | −19B | 3.0 | 17.0 | 18.0 | 4.00 | 784 | -93.2 |
| 33 | Montevilla Cahuasa, Amanda | 1515 | BOL | −16N | +46B | −7N | −41B | +39N | +43B | −17B | 3.0 | 17.0 | 17.0 | 3.00 | 956 | -24.8 |
| 34 | Herrera Gomez, Jons Avan | 0 | BOL | −44N | −14B | +30N | −16B | =40N | +42B | −24N | 2.5 | 17.0 | 18.0 | 4.75 | 1416 | 0.0 |
| 35 | Maldonado Caceres, Ronaldo | 1625 | BOL | +23B | −5N | +41B | −6N | −15B | −22N | F | 2.0 | 22.0 | 22.0 | 4.50 | 867 | -36.0 |
| 36 | Murga Paz, Diego Emanuel | 1482 | BOL | −6B | +24N | +32B | −28N | −21B | −23N | F | 2.0 | 21.5 | 22.5 | 6.50 | 1467 | -5.6 |
| 37 | Churata Gutierrez, Uriel | 0 | BOL | −9B | −22N | +42B | +47N | −25B | −17N | −31N | 2.0 | 19.0 | 19.0 | 1.00 | 807 | 0.0 |
| 38 | Bautista, Guy | 2224 | BOL | −17B | −15N | −24B | +42N | F | +31B | F | 2.0 | 18.5 | 18.5 | 4.00 | 1699 | -70.4 |
| 39 | FIDE 3366324 | 0 | — | −26B | F | +46N | −32N | −33B | F | +45N | 2.0 | 10.5 | 10.5 | 0.00 | 796 | 0.0 |
| 40 | Aduviri Melendres, Nicolas | 0 | BOL | −8N | F | −25B | −23N | =34B | −24N | +42B | 1.5 | 19.5 | 20.5 | 2.25 | 861 | 0.0 |
| 41 | Ramos Mayta, Andy Rene | 0 | BOL | −12B | F | −35N | +33N | −19B | −32N | −30B | 1.0 | 19.5 | 19.5 | 3.00 | 1276 | 0.0 |
| 42 | Churata Gutierrez, Adriel | 0 | BOL | −7N | −27B | −37N | −38B | +45B | −34N | −40N | 1.0 | 16.0 | 16.0 | 0.00 | 1009 | 0.0 |
| 43 | FIDE 3340384 | 0 | — | −32B | −28N | F | −15N | +46B | −33N | F | 1.0 | 15.0 | 15.0 | 0.00 | 749 | 0.0 |
| 44 | Parra, Daniel Alejandro | 1650 | BOL | +34B | −4N | −22B | F | F | F | F | 1.0 | 11.0 | 11.0 | 2.50 | 871 | -38.0 |
| 45 | FIDE 3367312 | 0 | — | −10N | −31B | −18N | −30B | −42N | F | −39B | 0.0 | 18.5 | 19.5 | 0.00 | 833 | 0.0 |
| 46 | FIDE 3367320 | 0 | — | −21B | −33N | −39B | F | −43N | F | −29B | 0.0 | 12.5 | 12.5 | 0.00 | 813 | 0.0 |
| 47 | FIDE 3368777 | 0 | — | F | −8B | −31N | −37B | F | F | F | 0.0 | 12.0 | 12.0 | 0.00 | 858 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Mamani Lima, Jose AndresBOL+59.64.5 pts · #12
- 2Escalier Rojas, Bruno AndresBOL+50.83.5 pts · #20
- 3Rodriguez Lujan, Oliver AlbertBOL+48.04.0 pts · #16
Top rating losers
- 1Gemio Yujra, Daniel DonatoBOL-93.23.0 pts · #37
- 2Bautista, GuyBOL-70.42.0 pts · #31
- 3Arteaga Herbas, Thiago AndreBOL-54.03.0 pts · #33
Biggest upsets
- R2+663 Elo gap
- R1+489 Elo gap
- R7+259 Elo gap