IRT "Viva la Fundacion de La Paz en el Bicentenario de Bolivia"
14 players participated in this 7-round tournament, held from 17 Oct 2025 to 26 Oct 2025 in La Paz, Bolivia. Top 10 Elo average was 1623, and top seed was Raul Sanchez (🇧🇴 BOL, 1951).
Thiago Andre Arteaga Herbas (🇧🇴 BOL, 1590) won with 6.0/7, ahead of Valeska Tiana Solari Quelali (6.0) and Bryan Fernando Cachi Sirpa (5.0). Arteaga Herbas shared the lead from round 1, winning on tie-break.
The biggest upset came in round 6: Leon Parodi Lenarduzzi (1667) beat Raul Sanchez (1951), a +284-point gap.
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How it unfolded
Top 6 · 7 roundsTight race until R7; 2 players tied at 6.0/7, decided on Buchholz.
2 players finish on 6.0/7. Arteaga Herbas takes the title on Buchholz Cut1 (24.5).
Valeska Tiana Solari Quelali lost to Thiago Andre Arteaga Herbas (White).
Valeska Tiana Solari Quelali 5 wins (R3–R7)Thiago Andre Arteaga Herbas 4 wins (R1–R4)Bryan Fernando Cachi Sirpa 3 wins (R5–R7)
Key matchups · top 4
Head-to-head between the four finishersGrille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Arteaga Herbas, Thiago Andre | 1590 | BOL | +13N | +2N | +3B | +6B | =4N | +5N | =7B | 6.0 | 24.5 | 25.5 | 22.00 | 1843 | +66.8 |
| 2 | Solari Quelali, Valeska Tiana | 1682 | BOL | +12N | −1B | +14N | +3N | +7B | +8N | +5B | 6.0 | 22.0 | 23.0 | 17.00 | 1765 | +18.0 |
| 3 | Cachi Sirpa, Bryan Fernando | 1626 | BOL | +11B | +8N | −1N | −2B | +10B | +4N | +6N | 5.0 | 24.0 | 25.5 | 13.50 | 1751 | +20.0 |
| 4 | Escalier Rojas, Bruno Andres | 1541 | BOL | =5B | −6N | +11B | +8N | =1B | −3B | +10N | 4.0 | 22.5 | 24.0 | 11.25 | 1631 | +23.6 |
| 5 | Tintaya Montecinos, Dilon Alessi | 0 | BOL | =4N | −10B | +13B | +9N | +6N | −1B | −2N | 3.5 | 23.5 | 24.5 | 8.50 | 1640 | 0.0 |
| 6 | Parodi Lenarduzzi, Leon | 1667 | BOL | F | +4B | +7N | −1N | −5B | +9N | −3B | 3.0 | 24.0 | 24.0 | 9.50 | 1710 | +5.2 |
| 7 | Yujra Condori, Miguel Angel | 1490 | BOL | +10N | =9B | −6B | F | −2N | +12B | =1N | 3.0 | 21.0 | 22.5 | 7.75 | 1663 | +49.2 |
| 8 | Churata Huacani, John Osman | 1527 | BOL | +14N | −3B | +10N | −4B | +11N | −2B | F | 3.0 | 19.5 | 20.5 | 4.50 | 1459 | -14.4 |
| 9 | Sanchez, Raul | 1951 | BOL | F | =7N | F | −5B | +13N | −6B | +14N | 2.5 | 11.5 | 11.5 | 3.50 | 1416 | -25.2 |
| 10 | Navarro Gorena, Angel | 1753 | BOL | −7B | +5N | −8B | F | −3N | +11B | −4B | 2.0 | 20.0 | 21.0 | 5.00 | 747 | -60.8 |
| 11 | Montevilla Tancara, Rosemary | 0 | BOL | −3N | −14B | −4N | +13B | −8B | −10N | =12N | 1.5 | 16.5 | 17.5 | 1.75 | 1204 | 0.0 |
| 12 | Montevilla, Jhonny | 1402 | BOL | −2B | +13N | F | F | F | −7N | =11B | 1.5 | 14.5 | 14.5 | 1.75 | 789 | -10.8 |
| 13 | FIDE 3334694 | 0 | — | −1B | −12B | −5N | −11N | −9B | +14B | F | 1.0 | 18.0 | 19.0 | 1.00 | 844 | 0.0 |
| 14 | FIDE 3372146 | 0 | — | −8B | +11N | −2B | F | F | −13N | −9B | 1.0 | 16.0 | 16.0 | 1.50 | 922 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Arteaga Herbas, Thiago AndreBOL+66.86.0 pts · #3
- 2Yujra Condori, Miguel AngelBOL+49.23.0 pts · #4
- 3Escalier Rojas, Bruno AndresBOL+23.64.0 pts · #6
- 1Navarro Gorena, AngelBOL-60.82.0 pts · #11
- 2Sanchez, RaulBOL-25.22.5 pts · #9
- 3Churata Huacani, John OsmanBOL-14.43.0 pts · #8
- R6+284 Elo gap
- R1+263 Elo gap
- R3+226 Elo gap