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IRT "Preludio del 41 Aniversario de El Alto"

Open SwissStandard

8 players participated in this 6-round tournament, held from 21 Feb 2026 to 24 Feb 2026 in El Alto, Bolivia. Top 10 Elo average was 757, and top seed was Bryan Fernando Cachi Sirpa (🇧🇴 BOL, 1616).

John Osman Churata Huacani (🇧🇴 BOL, 1593) won with 5.5/6, ahead of Matias Aron Rodriguez Calle (3.0) and Josept Samuel Salguero Mamani (2.5). Churata Huacani won solo starting round 3.

Location
🇧🇴El Alto, Bolivia
Dates
21 Feb 2026 → 24 Feb 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Avg top 10
757
Participants
8
Federations · 1 represented
🇧🇴Bolivia×8
Top 3

How it unfolded

Top 6 · 6 rounds

John Osman Churata Huacani led from R3; +2.5-point edge over the runner-up.

Co-leaders
3
2
1
1
1
1
1.534.56R1R2R3R4R5R6
R3–R6 · LEAD HELD

John Osman Churata Huacani never relinquished the lead after R3; final gap +2.5 over the runner-up.

R3 · HEAD-TO-HEAD · WINNER VS 2ND

John Osman Churata Huacani beat Matias Aron Rodriguez Calle (Black).

R1–R4 · WIN STREAK

John Osman Churata Huacani won 4 in a row (R1–R4).

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Churata Huacani, John Osman1593BOL+7N+8B+2N+5B=3B+6N5.510.010.59.252262+13.0
2Rodriguez Calle, Matias Aron0BOL+4N+6B−1B+8NF−3B3.013.013.54.0015410.0
3Salguero Mamani, Josept Samuel0BOL+5BFFF=1N+2N2.510.010.07.2515630.0
4Rodriguez Quelca, Sebastian1538BOL−2B−5NF=7B=6N+8B2.08.08.02.001269-28.4
5Pinto Vargas, Anabell Fabiola1492BOL−3N+4B=8N−1NFF1.514.515.02.251566+8.0
6Quispe Mamani, Briseyda Belen1431BOLF−2N+7BF=4B−1B1.512.012.02.501373-5.6
7Quelca Torrejon, Aaron Alfredo0BOL−1BF−6N=4N+8BF1.511.011.01.5012480.0
8Sossa Ojeda, Benjamin Tadeo0BOLF−1N=5B−2B−7N−4N0.513.513.50.7512680.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
IRT "Preludio del 41 Aniversario de El Alto" (2026) — El Alto, Bolivia | Chess Tournament Results | ChessStats