CChessStats

IRT DE LA AMISTAD CLUB AJEDREZ BUIN - CLUB AJEDREZ PUENTE ALTO

Open SwissStandard

29 players participated in this 6-round tournament, held from 19 Jul 2025 to 20 Jul 2025 in Puente Alto y Buin, Chile. Top 10 Elo average was 1724, and top seed was Eridan Fuenzalida Soto (🇨🇱 CHI, 2047).

Eridan Fuenzalida Soto (🇨🇱 CHI, 2047) won with 5.0/6, ahead of Vicente Aldana Carmona (5.0) and Juan Vasquez Novoa (4.5). Fuenzalida Soto shared the lead from round 1, winning on tie-break.

The biggest upset came in round 2: Mateo Isaias Donoso Chavez (1571) beat Jose Quilaleo Cabrera (1808), a +237-point gap.

Location
🇨🇱Puente Alto y Buin, Chile
Dates
19 Jul 2025 → 20 Jul 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Top seed
🇨🇱Eridan Fuenzalida Soto2047
Avg top 10
1,724
Participants
29
Federations · 1 represented
🇨🇱Chile×20
Top 3

How it unfolded

Top 6 · 6 rounds

Tight race until R6; 2 players tied at 5.0/6, decided on Buchholz. Title race narrowed from 3 co-leaders at R4 to 2 at the finish.

Co-leaders
14
6
2
3
5
2
1.534.56R1R2R3R4R5R6
Fuenzalida Soto5Aldana Carmona5Quilaleo Cabrera4.5Vasquez Novoa4.5Gonzalez Lopez4Donoso Chavez4
R6 · TIEBREAK CLUSTER

2 players finish on 5.0/6. Fuenzalida Soto takes the title on Buchholz Cut1 (20.0).

WIN STREAKS · 3 top finishers

Eridan Fuenzalida Soto 3 wins (R1–R3)Vicente Aldana Carmona 4 wins (R3–R6)Jose Quilaleo Cabrera 3 wins (R3–R5)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Eridan Fuenzalida Soto*——
½
2Vicente Aldana Carmona—*—
0
3Jose Quilaleo Cabrera——*
½
4Juan Vasquez Novoa
½
1
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Fuenzalida Soto, Eridan2047CHI+6B+13N+5B=9N=3B+7N5.020.023.019.001964-6.2
2Aldana Carmona, Vicente1587CHI+24B−3N+19B+6N+9B+10N5.018.019.515.001850+52.8
3Vasquez Novoa, Juan1876CHI+18N+2B=10N+16B=1N=4B4.520.523.016.501889+3.8
4Quilaleo Cabrera, Jose1808CHI+28B−5N+11B+17N+12B=3N4.517.517.511.251786-3.2
5Donoso Chavez, Mateo Isaias1571CHI+21N+4B−1N−7B+23N+12B4.018.520.511.501740+30.4
6Cabrera Soruco, Benjamin1499CHI−1N+25B+14N−2B+13N+17B4.018.519.59.501659+29.2
7Gonzalez Lopez, Gabriel Eduardo1529CHI+27N+12B−9B+5N+16N−1B4.018.019.010.501775+62.0
8Quintana Castillo, Luis1733CHI+29N−10B−16N+21B+15N+9N4.014.514.58.501616-24.8
9Osses Hernandez, Christopher1681CHI+20N+17B+7N=1B−2N−8B3.520.522.511.001688-2.0
10Henriquez Alarcon, Rafael Elias1568CHI+23B+8N=3B−12N+11B−2B3.520.022.011.751679+28.0
11Rodriguez Arellano, Gonzalo Alonso1551CHI+14N=16B−4N+18B−10N+24B3.516.017.58.251416-19.2
12Barra Delgadillo, Gabriel Arcang1646CHI+26B−7N+24B+10B−4N−5N3.017.518.56.001427-23.0
13Reyes Romero, Samuel Daly1602CHI+25N−1B+21NF−6B+16B3.014.514.55.501606-4.0
14FIDE 34832310—−11B+22N−6B−15N+28B+20B3.014.514.54.007260.0
15Gonzalez Fuentealba, Sofia Catalina1524CHIFF+20N+14B−8B+22N3.011.011.07.00933-9.2
16Barra Delgadillo, Juan Luis1687CHI+22B=11N+8B−3N−7B−13N2.519.021.07.751510-24.0
17Reyes Romero, Sebastian David1530CHI+19B−9N+23B−4B=24N−6N2.516.518.05.25865-41.2
18FIDE 34737750—−3B−24N+22B−11N=19B+25N2.514.015.04.259140.0
19FIDE 34857140—−17N+20B−2N−?B=18N+29B2.512.012.03.257650.0
20Munoz Briones, Damian Alonso0CHI−9B−19N−15B+28N+21B−14N2.014.014.02.008030.0
21FIDE 34738210—−5B+28N−13B−8N−20N+26B2.014.014.01.008360.0
22FIDE 34857220—−16N−14B−18N+29B+26N−15B2.012.012.01.008060.0
23Vergara Tabilo, Mateo Gabriel0CHI−10N+29B−17N+25B−5B−?N2.011.011.01.007600.0
24Vasquez Herrera, Andrea0CHI−2N+18B−12NF=17B−11N1.516.517.53.7512600.0
25FIDE 34866300—−13B−6N+28B−23N−?N−18B1.011.511.50.007530.0
26Quijada Avila, Vicente Mateo0CHI−12N−27B+29NF−22B−21N1.08.08.00.008460.0
27FIDE 34836900—−7B+26NFFFF1.06.56.51.007310.0
28FIDE 34867100—−4N−21B−25N−20B−14NF0.012.512.50.0010100.0
29FIDE 34866210—−8B−23N−26B−22NF−19N0.011.511.50.009330.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets