CChessStats

Clasificatorio al Panamericano Escolar 2026, Sub-15 Absoluto

Open SwissStandard

18 players participated in this 7-round tournament, held from 06 Feb 2026 to 08 Feb 2026 in Santa Cruz, Bolivia. Top 10 Elo average was 1704, and top seed was Jhon Magno Laura Cabrera (🇧🇴 BOL, 1917).

Isai Jeremi Alvarez Orellana (🇧🇴 BOL, 1681) won with 6.0/7, ahead of Esdras Adrian Mamani Alvino (5.0) and Oscar Alejandro Amelunge Moreno (4.5). Alvarez Orellana took the lead from round 6.

The biggest upset came in round 6: Isai Jeremi Alvarez Orellana (1681) beat Jhon Magno Laura Cabrera (1917), a +236-point gap.

Location
🇧🇴Santa Cruz, Bolivia
Dates
06 Feb 2026 → 08 Feb 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Top seed
🇧🇴Jhon Magno Laura Cabrera1917
Avg top 10
1,704
Participants
18
Federations · 1 represented
🇧🇴Bolivia×18
Top 3

How it unfolded

Top 6 · 7 rounds

Isai Jeremi Alvarez Orellana led from R3; +1.0-point edge over the runner-up.

Co-leaders
6
4
1
2
1
1
1
23.55.57R1R2R3R4R5R6R7Amelunge Moreno takes leadAlvarez Orellana takes lead
Alvarez Orellana6Mamani Alvino5Amelunge Moreno4.5Cortez Chuviru4.5Laura Cabrera4.5Villamontes Rios4.5
R5 · LEADER CHANGE07 Feb

Oscar Alejandro Amelunge Moreno takes the sole lead (4.5/5).

R3 · HEAD-TO-HEAD · WINNER VS 2ND

Isai Jeremi Alvarez Orellana beat Esdras Adrian Mamani Alvino (White).

WIN STREAKS · 2 top finishers

Isai Jeremi Alvarez Orellana 3+3 wins (R1–R3, R5–R7)Esdras Adrian Mamani Alvino 3 wins (R5–R7)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Isai Jeremi Alvarez Orellana*
1
0
1
2Esdras Adrian Mamani Alvino
0
*
1
0
3Oscar Alejandro Amelunge Moreno
1
0
*
½
4Gael Marbel Cortez Chuviru
0
1
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Alvarez Orellana, Isai Jeremi1681BOL+11B+7N+2B−3N+5N+6B+4N6.027.030.025.501990+91.6
2Mamani Alvino, Esdras Adrian1784BOL+9N+4B−1N−5B+14N+12B+3B5.025.527.517.001799+5.6
3Amelunge Moreno, Oscar Alejandro1725BOL+18N+10B=5N+1B+8N−4B−2N4.527.028.016.251773+20.4
4Villamontes Rios, Adrian Runaldo1658BOL+16B−2N+7B=6N+11B+3N−1B4.527.028.014.751708+13.2
5Cortez Chuviru, Gael Marbel1783BOL+15B+8N=3B+2N−1B+10N−7B4.526.528.015.751863+24.4
6Laura Cabrera, Jhon Magno1917BOLF+17N+14B=4B+10N−1N+9B4.521.522.511.251751-31.6
7Mendoza Soliz, Roberth Aaron0BOLF−1B−4N+17B+9N+8B+5N4.023.023.012.5016620.0
8Ruiz Achacollo, Jose Damir1672BOL+14N−5B+12N+9B−3B−7N+11B4.022.024.011.001700+8.8
9Rivero Teran, Andre Alejandro1535BOL−2B+11N+13B−8N−7B+15N−6N3.023.024.57.001643+29.6
10Garcia Soliz, Javier Santiago1621BOLF−3N+16B+12N−6B−5B+14N3.023.024.06.001579-9.6
11Medrano Andia, Pablo1435BOL−1N−9B+18N+15B−4N+13B−8N3.021.522.55.001534+34.4
12Montenegro Vilches, Lucas Enrique1662BOLF+13N−8B−10B+16N−2N+17B3.016.516.54.501526-36.4
13Maquera Soto, Benjamin1512BOLF−12B−9N+18B=15N−11N+16B2.512.512.52.751384-34.8
14Aduviri Melendres, Nicolas0BOL−8BF−6N+16N−2B+18N−10B2.018.518.52.0014580.0
15Rocha Vivanco, Victor Ezequiel1532BOL−5NF+17B−11N=13B−9BF1.515.015.02.251384-41.6
16Amelunge Moreno, Alan Alfredo0BOL−4N+18B−10N−14B−12B−17N−13N1.016.017.01.0012860.0
17Parada Cespedes, Juan Antonio0BOLF−6B−15N−7N−18B+16B−12N1.015.015.01.00824-38.0
18Arias Navia, Victor Augusto1495BOL−3B−16N−11B−13N+17N−14BF1.014.515.51.001325-36.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets