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Clasificatorio al Panamericano Amateur 2026 (Sub-2000)

Open SwissStandard

10 players participated in this 6-round tournament, held from 15 May 2026 to 17 May 2026 in Potosi, Bolivia. Top 10 Elo average was 1608, and top seed was Lucio Puita (🇧🇴 BOL, 1915).

Esdras Adrian Mamani Alvino (🇧🇴 BOL, 1791) won with 5.0/6, ahead of Jhasith Cordero (4.5) and Kevin Josue Ala Ortiz (4.0). Mamani Alvino broke clear in the final round.

The biggest upset came in round 5: Juan Jose Fuertes (1676) beat Lucio Puita (1915), a +239-point gap.

Location
🇧🇴Potosi, Bolivia
Dates
15 May 2026 → 17 May 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Top seed
🇧🇴Lucio Puita1915
Avg top 10
1,608
Participants
10
Federations · 1 represented
🇧🇴Bolivia×10
Top 3

How it unfolded

Top 6 · 6 rounds

Esdras Adrian Mamani Alvino led from R3; +0.5-point edge over the runner-up.

Co-leaders
3
2
1
1
2
1
1.534.56R1R2R3R4R5R6
Mamani Alvino5Cordero4.5Ala Ortiz4Viza Choque3Ala Chiri2.5Fuertes2
R3–R6 · LEAD HELD

Esdras Adrian Mamani Alvino held the sole lead from R3 through R6 without losing it.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Esdras Adrian Mamani Alvino drew with Jhasith Cordero (Black).

R1–R3 · WIN STREAK

Esdras Adrian Mamani Alvino won 3 in a row (R1–R3).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Esdras Adrian Mamani Alvino*
½
½
1
2Jhasith Cordero
½
*
½
1
3Kevin Josue Ala Ortiz
½
½
*—
4Ronal Viza Choque
0
0
—*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Mamani Alvino, Esdras Adrian1791BOL+4B+5N+6B=2N=3N+7B5.016.018.013.752027+68.0
2Cordero, Jhasith1753BOL=3B+10N+7B=1B+4N=5N4.516.516.510.751977+34.6
3Ala Ortiz, Kevin Josue1825BOL=2N+9B−5N+6N=1B+8N4.016.017.09.751857+8.8
4Viza Choque, Ronal1735BOL−1N+8B+9N+5B−2BF3.015.015.05.501788+5.8
5Ala Chiri, Jhamil Cristian1759BOL+8N−1B+3B−4NF=2B2.518.520.58.251790+8.4
6Araujo, Amilcar1774BOL+10B+7N−1N−3BFF2.014.514.52.001802+3.0
7Fuertes, Juan Jose1676BOLF−6B−2N+8B+10N−1N2.013.513.52.001744+8.6
8Vargas Manuel, Jimmy Erwin1847BOL−5B−4N+10B−7N+9N−3B2.012.512.51.001542-77.6
9Rodriguez Ricaldi, Haylen0BOLF−3N−4B+10N−8BF1.011.011.00.0016380.0
10Puita, Lucio1915BOL−6N−2B−8N−9B−7BF0.013.514.50.00963-111.6

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
Clasificatorio al Panamericano Amateur 2026 (Sub-2000) — Potosi, Bolivia | Chess Tournament Results | ChessStats