Grand Prix Nacional de Ajedrez 2026-2027 (3er. Torneo)
Open SwissStandard
47 players participated in this 7-round tournament, held from 26 Mar 2026 to 29 Mar 2026 in Santa Cruz, Bolivia. 6 titled players. Top 10 Elo average was 1935, and top seed was Ariel Martinez (🇧🇴 BOL, CM, 2077).
Ariel Martinez (🇧🇴 BOL, CM, 2077) won with 6.5/7, ahead of Ronald Campero (6.0) and Caely El Hage Serrano (5.0). Martinez broke clear in the final round.
The biggest upset came in round 3: Jhonn Richard Velarde Alarcon (1502) beat Johan Raziel Rodriguez Barrientos (1767), a +265-point gap.
Location
🇧🇴Santa Cruz, Bolivia
Dates
26 Mar 2026 → 29 Mar 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Titled players · 6
FM×1
CM×4
WCM×1
Federations · 1 represented
🇧🇴Bolivia×47
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsCM Ariel Martinez led from R7; +0.5-point edge over the runner-up. Title race converged from 3 co-leaders at R4 to 1 by R7.
Co-leaders
19
8
3
3
2
2
1
R7–R7 · LEAD HELD
CM Ariel Martinez held the sole lead from R7 through R7 without losing it.
R4 · HEAD-TO-HEAD · WINNER VS 2ND
CM Ariel Martinez drew with FM Ronald Campero (Black).
WIN STREAKS · 2 top finishers
CM Ariel Martinez 3+3 wins (R1–R3, R5–R7)FM Ronald Campero 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1CMAriel Martinez | * | ½ | — | — |
| 2FMRonald Campero | ½ | * | — | ½ |
| 3Jhon Magno Laura Cabrera | — | — | * | — |
| 4WCMCaely El Hage Serrano | — | ½ | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Martinez, ArielCM | 2077 | BOL | +15B | +14N | +6B | =2N | +5N | +7B | +8B | 6.5 | 28.5 | 32.5 | 29.50 | 2277 | +22.4 |
| 2 | Campero, RonaldFM | 2009 | BOL | +26B | +18N | +11B | =1B | +10N | +6N | =3B | 6.0 | 28.0 | 31.0 | 25.25 | 2141 | +20.2 |
| 3 | El Hage Serrano, CaelyWCM | 1889 | BOL | +27N | +19B | −10N | =22B | +12N | +20B | =2N | 5.0 | 25.5 | 28.5 | 19.75 | 1888 | +6.4 |
| 4 | Laura Cabrera, Jhon Magno | 1884 | BOL | +33B | +9N | =13B | =7N | −11B | +14N | +15B | 5.0 | 25.0 | 28.0 | 19.75 | 1884 | +4.8 |
| 5 | Achocalla Huaipara, Pavel Andres | 1903 | BOL | F | +30N | +21B | +13N | −1B | +11N | +16B | 5.0 | 25.0 | 25.0 | 18.50 | 2119 | +31.4 |
| 6 | Rocha, Ignacio | 1868 | BOL | +38N | +23B | −1N | +9B | +18N | −2B | =7N | 4.5 | 29.0 | 31.0 | 16.25 | 1901 | +8.6 |
| 7 | Monroy Carrizo, JavierCM | 1838 | BOL | +47B | =21N | +35N | =4B | +17B | −1N | =6B | 4.5 | 26.5 | 26.5 | 13.50 | 1890 | +12.8 |
| 8 | Ferrufino, BorisCM | 1913 | BOL | +28N | −13B | +29N | =12B | +25N | +10B | −1N | 4.5 | 25.0 | 28.0 | 15.50 | 1859 | -6.6 |
| 9 | Veizaga Mamani, Kirsten Ivana | 1729 | BOL | +32N | −4B | +43N | −6N | +21B | +24B | =10N | 4.5 | 23.5 | 24.5 | 13.00 | 1729 | +2.4 |
| 10 | Cortez Chuviru, Gael Marbel | 1806 | BOL | +44B | +16N | +3B | =17N | −2B | −8N | =9B | 4.0 | 28.0 | 29.0 | 14.25 | 1901 | +39.6 |
| 11 | Yujra Paredez, Ignacio Tadeo | 1830 | BOL | +31N | +43B | −2N | +19B | +4N | −5B | −17B | 4.0 | 27.0 | 28.0 | 13.00 | 1819 | -1.2 |
| 12 | Amelunge Moreno, Oscar Alejandro | 1742 | BOL | +24B | =17N | =16B | =8N | −3B | +21N | =22B | 4.0 | 24.5 | 28.0 | 15.00 | 1850 | +40.8 |
| 13 | Moscoso Paz, Esther Angela | 1752 | BOL | +34B | +8N | =4N | −5B | −20N | +36B | =26N | 4.0 | 24.5 | 27.0 | 14.00 | 1721 | -8.0 |
| 14 | Mayta Aiza, Vicmar | 1775 | BOL | +37N | −1B | +28N | =20B | +36N | −4B | =25N | 4.0 | 24.5 | 27.0 | 11.75 | 1723 | -8.0 |
| 15 | Barros Jardi Arce, Sarai | 1653 | BOL | −1N | −31B | +37N | +34B | +38N | +18B | −4N | 4.0 | 24.0 | 26.0 | 11.50 | 1707 | +8.8 |
| 16 | Parraga, AlejandroCM | 2059 | BOL | +29N | −10B | =12N | +35B | =22N | +19B | −5N | 4.0 | 23.5 | 26.5 | 13.75 | 1795 | -39.8 |
| 17 | Magne Alcoba, Yonatan Israel | 1908 | BOL | F | =12B | +25N | =10B | −7N | +23B | +11N | 4.0 | 23.5 | 23.5 | 15.00 | 1894 | -4.4 |
| 18 | Velasquez Nava, Raquel | 1747 | BOL | +46N | −2B | +38N | +27B | −6B | −15N | +29N | 4.0 | 22.5 | 23.0 | 8.50 | 1705 | -5.6 |
| 19 | Solari Quelali, Valeska Tiana | 1683 | BOL | +42B | −3N | +26B | −11N | +28B | −16N | +27B | 4.0 | 22.0 | 23.0 | 10.00 | 1742 | +11.2 |
| 20 | Grimaldis Cardozo, Joaquin | 1612 | BOL | F | =22N | +40B | =14N | +13B | −3N | +30B | 4.0 | 21.0 | 21.0 | 12.25 | 1840 | +60.8 |
| 21 | Monroy, Osvaldo | 1677 | BOL | +40N | =7B | −5N | +33B | −9N | −12B | +37N | 3.5 | 23.5 | 25.0 | 9.25 | 1640 | -6.8 |
| 22 | Silicuana Quispe, Cristhian | 1742 | BOL | F | =20B | +31N | =3N | =16B | =26B | =12N | 3.5 | 23.0 | 23.0 | 13.00 | 1791 | +8.0 |
| 23 | Bernachi Menacho, Letizia | 1670 | BOL | +36B | −6N | =46B | =39N | +27B | −17N | =24B | 3.5 | 19.0 | 19.5 | 8.25 | 1590 | -26.0 |
| 24 | Duran Machico, Arturo | 1507 | BOL | −12N | −27B | +44B | +29N | +46B | −9N | =23N | 3.5 | 19.0 | 19.5 | 6.25 | 1590 | +60.4 |
| 25 | Montevilla Cahuasa, Sebastian | 1723 | BOL | F | +41N | −17B | +46N | −8B | +39N | =14B | 3.5 | 16.0 | 16.0 | 5.50 | 1782 | +21.6 |
| 26 | Escalier Rojas, Bruno Andres | 1588 | BOL | −2N | +37B | −19N | F | +31B | =22N | =13B | 3.0 | 23.5 | 26.0 | 9.25 | 1692 | +28.0 |
| 27 | Velarde Alarcon, Jhonn Richard | 1502 | BOL | −3B | +24N | +39B | −18N | −23N | +32B | −19N | 3.0 | 23.0 | 24.5 | 8.00 | 1572 | +15.2 |
| 28 | Suarez Antelo, Jesus | 1578 | BOL | −8B | +34N | −14B | +42N | −19N | =37B | =36N | 3.0 | 20.5 | 21.5 | 6.50 | 1504 | -11.6 |
| 29 | Garcia Soliz, Javier Santiago | 1617 | BOL | −16B | +44N | −8B | −24B | +45N | +31N | −18B | 3.0 | 20.0 | 21.0 | 5.00 | 1549 | -26.8 |
| 30 | Montevilla Cahuasa, Amanda | 1682 | BOL | F | −5B | +32N | −36B | +33N | +38B | −20N | 3.0 | 19.5 | 19.5 | 8.00 | 1637 | -10.4 |
| 31 | Joffre Marino, Cristhian Adrian | 1507 | BOL | −11B | +15N | −22B | +43N | −26N | −29B | +41B | 3.0 | 19.0 | 20.0 | 6.50 | 1540 | +6.8 |
| 32 | Aguilera Pacheco, Ulises | 0 | BOL | −9B | +47N | −30B | F | +43B | −27N | +38N | 3.0 | 16.5 | 16.5 | 3.00 | 1501 | 0.0 |
| 33 | Baspineiro F, Maria Fernanda | 1506 | BOL | −4N | F | +45B | −21N | −30B | +40N | +39B | 3.0 | 15.5 | 15.5 | 4.00 | 1560 | +7.2 |
| 34 | Ventura Guzman, Laia Isabella | 1423 | BOL | −13N | −28B | +47B | −15N | =40B | =41N | +42B | 3.0 | 15.0 | 15.0 | 2.50 | 1446 | +3.2 |
| 35 | Pusarico Garcia, Marie Jane | 1660 | BOL | +45N | F | −7B | −16N | −39B | +46N | +44B | 3.0 | 12.5 | 12.5 | 2.50 | 1635 | -11.2 |
| 36 | Parada Cespedes, Juan Antonio | 0 | BOL | −23N | F | +41B | +30N | −14B | −13N | =28B | 2.5 | 19.0 | 19.0 | 6.00 | 1613 | 0.0 |
| 37 | Arias Navia, Victor Augusto | 1458 | BOL | −14B | −26N | −15B | +47N | +42B | =28N | −21B | 2.5 | 18.5 | 18.5 | 2.50 | 1423 | -13.2 |
| 38 | Arimoza Rojas, Thiago | 1522 | BOL | −6B | +42N | −18B | +40N | −15B | −30N | −32B | 2.0 | 20.0 | 21.0 | 2.50 | 937 | -38.4 |
| 39 | Rodriguez Barrientos, Johan Raziel | 1767 | BOL | F | F | −27N | =23B | +35N | −25B | −33N | 1.5 | 16.0 | 16.0 | 4.75 | 1464 | -79.2 |
| 40 | Olivares Quintana, Oscar Saul | 0 | BOL | −21B | F | −20N | −38B | =34N | −33B | +46B | 1.5 | 16.0 | 16.0 | 2.00 | 1334 | 0.0 |
| 41 | Montevilla, Jhonny | 1564 | BOL | F | −25B | −36N | −45B | +47N | =34B | −31N | 1.5 | 13.0 | 13.0 | 1.50 | 1434 | -29.6 |
| 42 | Duran Machico, Dayan Ayrton | 0 | BOL | −19N | −38B | F | −28B | −37N | +43B | −34N | 1.0 | 15.5 | 15.5 | 1.00 | 736 | 0.0 |
| 43 | Zurita Chavarria, Angel Daniel | 0 | BOL | F | −11N | −9B | −31B | −32N | −42N | +47B | 1.0 | 15.5 | 15.5 | 0.00 | 1431 | 0.0 |
| 44 | Montoya Mercado, Julio Cesar | 1449 | BOL | −10N | −29B | −24N | F | F | +45B | −35N | 1.0 | 14.5 | 14.5 | 1.00 | 823 | -23.4 |
| 45 | Quinteros Ulloa, Edrick Alberto | 0 | BOL | −35B | F | −33N | +41N | −29B | −44N | F | 1.0 | 11.5 | 11.5 | 1.50 | 1319 | 0.0 |
| 46 | Campos Oliveira, Leonel | 1420 | BOL | −18B | F | =23N | −25B | −24N | −35B | −40N | 0.5 | 19.0 | 19.0 | 1.75 | 1277 | -13.4 |
| 47 | Amelunge Moreno, Alan Alfredo | 0 | BOL | −7N | −32B | −34N | −37B | −41B | F | −43N | 0.0 | 15.5 | 15.5 | 0.00 | 768 | -54.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Grimaldis Cardozo, JoaquinBOL+60.84.0 pts · #23
- 2Duran Machico, ArturoBOL+60.43.5 pts · #16
- 3Amelunge Moreno, Oscar AlejandroBOL+40.84.0 pts · #10
Top rating losers
- 1Rodriguez Barrientos, Johan RazielBOL-79.21.5 pts · #35
- 2Amelunge Moreno, Alan AlfredoBOL-54.00.0 pts · #45
- 3Parraga, AlejandroCMBOL-39.84.0 pts · #11
Biggest upsets
- R3+265 Elo gap
- R7+261 Elo gap
- R2+253 Elo gap