CChessStats

IRT "Viva la Fundacion de La Paz en el Bicentenario de Bolivia"

Open SwissStandard

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.

Location
🇧🇴La Paz, Bolivia
Dates
17 Oct 2025 → 26 Oct 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Top seed
🇧🇴Raul Sanchez1951
Avg top 10
1,623
Participants
14
Federations · 1 represented
🇧🇴Bolivia×12
Top 3

How it unfolded

Top 6 · 7 rounds

Tight race until R7; 2 players tied at 6.0/7, decided on Buchholz.

Co-leaders
5
2
1
1
1
1
2
23.55.57R1R2R3R4R5R6R7
Solari Quelali6Arteaga Herbas6Cachi Sirpa5Escalier Rojas4Tintaya Montecinos3.5Yujra Condori3
R7 · TIEBREAK CLUSTER

2 players finish on 6.0/7. Arteaga Herbas takes the title on Buchholz Cut1 (24.5).

R2 · HEAD-TO-HEAD · WINNER VS 2ND

Valeska Tiana Solari Quelali lost to Thiago Andre Arteaga Herbas (White).

WIN STREAKS · 3 top finishers

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 finishers
Player1234
1Valeska Tiana Solari Quelali*
0
1
—
2Thiago Andre Arteaga Herbas
1
*
1
½
3Bryan Fernando Cachi Sirpa
0
0
*
1
4Bruno Andres Escalier Rojas—
½
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Arteaga Herbas, Thiago Andre1590BOL+13N+2N+3B+6B=4N+5N=7B6.024.525.522.001843+66.8
2Solari Quelali, Valeska Tiana1682BOL+12N−1B+14N+3N+7B+8N+5B6.022.023.017.001765+18.0
3Cachi Sirpa, Bryan Fernando1626BOL+11B+8N−1N−2B+10B+4N+6N5.024.025.513.501751+20.0
4Escalier Rojas, Bruno Andres1541BOL=5B−6N+11B+8N=1B−3B+10N4.022.524.011.251631+23.6
5Tintaya Montecinos, Dilon Alessi0BOL=4N−10B+13B+9N+6N−1B−2N3.523.524.58.5016400.0
6Parodi Lenarduzzi, Leon1667BOLF+4B+7N−1N−5B+9N−3B3.024.024.09.501710+5.2
7Yujra Condori, Miguel Angel1490BOL+10N=9B−6BF−2N+12B=1N3.021.022.57.751663+49.2
8Churata Huacani, John Osman1527BOL+14N−3B+10N−4B+11N−2BF3.019.520.54.501459-14.4
9Sanchez, Raul1951BOLF=7NF−5B+13N−6B+14N2.511.511.53.501416-25.2
10Navarro Gorena, Angel1753BOL−7B+5N−8BF−3N+11B−4B2.020.021.05.00747-60.8
11Montevilla Tancara, Rosemary0BOL−3N−14B−4N+13B−8B−10N=12N1.516.517.51.7512040.0
12Montevilla, Jhonny1402BOL−2B+13NFFF−7N=11B1.514.514.51.75789-10.8
13FIDE 33346940—−1B−12B−5N−11N−9B+14BF1.018.019.01.008440.0
14FIDE 33721460—−8B+11N−2BFF−13N−9B1.016.016.01.509220.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets