CChessStats

I torneo IRT sub 2400 club AJEZA, Antofagasta 2026

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35 players participated in this 5-round tournament, held from 18 Apr 2026 to 19 Apr 2026 in Antofagasta, Chile. 3 federations represented. Top 10 Elo average was 1735, and top seed was Cristian Egana Arriagada (🇨🇱 CHI, 1855).

Cristian Egana Arriagada (🇨🇱 CHI, 1855) won with 4.5/5, ahead of Cristian Toloza Humeres (4.5) and Maria Belen Carvajal Mendoza (4.0). Egana Arriagada shared the lead from round 1, winning on tie-break.

The biggest upset came in round 5: Ricardo Elias Irribarra Mendoza (1565) beat Victor Enriquez Godoy (1838), a +273-point gap.

Location
🇨🇱Antofagasta, Chile
Dates
18 Apr 2026 → 19 Apr 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
Avg top 10
1,735
Participants
35
Federations · 3 represented
🇨🇱Chile×20
🇦🇷Argentina×1
🇧🇴Bolivia×1
Top 3

How it unfolded

Top 6 · 5 rounds

Tight race until R5; 2 players tied at 4.5/5, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.

Co-leaders
15
7
4
2
2
1.52.545R1R2R3R4R5
R5 · TIEBREAK CLUSTER

2 players finish on 4.5/5. Egana Arriagada takes the title on Buchholz Cut1 (16.5).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Cristian Egana Arriagada drew with Cristian Toloza Humeres (White).

WIN STREAKS · 2 top finishers

Cristian Egana Arriagada 4 wins (R1–R4)Cristian Toloza Humeres 4 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Egana Arriagada, Cristian1855CHI+35B+4N+5B+3N=2B4.516.516.514.252048+15.6
2Toloza Humeres, Cristian1716CHI+34B+8N+27B+7N=1N4.512.012.09.752040+29.4
3Carvajal Mendoza, Maria Belen1816CHI+25B+9N+17B1B+12N4.013.015.010.501771-2.8
4Irribarra Mendoza, Ricardo Elias1565CHI+19N1B+11N+22B+7B4.013.015.010.501847+42.0
5Zenteno Quinteros, Ignacio Andres1749CHI+31N+26B1N+9B+10N4.012.513.08.501711-2.4
6Ortiz Diaz, Felipe Ignacio1782CHI+23B+22N7B+18N+8B4.010.512.59.501840+15.6
7Enriquez Godoy, Victor1838CHI+14N+12B+6N2B4N3.015.518.510.001652-37.2
8Ajata Ordonez, Nicolas Rayco1472BOL+29N2B+24N+13B6N3.013.514.56.001564+11.6
9Huanca Vargas, Luis Faviano1488CHI+33N3B+14N5N+23B3.013.013.55.50983-12.4
10Nava Torrez, Adiel Bernabe0CHI13N+15B+26N+20B5B3.012.514.57.5015480.0
11FIDE 34852500=18B+21N4B+27N=16B3.012.013.56.7516730.0
12Valencia Gomez, Javier Ignacio1546CHI+30B7N+23B+17N3B3.011.512.05.001567+0.4
13Lopez Vivanco, Gregorio1570CHI+10B17N+25B8N+18B3.011.013.07.501442-21.6
14FIDE 346238207B+30N9B+34N+24B3.08.58.52.508630.0
15FIDE 3482715017B10N+30B+32N+22N3.08.08.53.0014490.0
16Marquez Quispe, Matias Josue0CHI=27B+?N18B+31N=11N3.07.57.52.7515350.0
17Cartajena Nef, Daniel Andres1423CHI+15N+13B3N12B=19N2.513.015.57.251519+11.6
18Valencia Oyarzun, Mario Jose1805CHI=11N+24B+16N6B13N2.513.015.06.50876-52.8
19FIDE 349142004B+35N22B+?N=17B2.58.58.51.2512140.0
20Castillo Ahumada, Yessica1457CHI=21B27N+32B10N+31B2.57.58.02.25850-5.0
21Rodriguez, Bastian0ARG=20N11BF+30N+27B2.57.57.53.2515740.0
22Campe Sanchez, Diego1474CHI+28B6B+19N4N15B2.013.514.53.50874-20.8
23FIDE 347947106N+28B12N+26B9N2.012.013.03.0013650.0
24Ugarte Silva, Rodolfo0CHI+?B18N8B+25N14N2.010.510.52.008390.0
25FIDE 349029703N+33B13N24B+32N2.09.510.01.008930.0
26Ballesteros Guevara, Anna Christina1415CHI+32B5N10B23N+34B2.09.59.50.50949-4.8
27Osnayo Calle, Nelson Gustavo1650CHI=16N+20B2N11B21N1.513.015.54.001587-6.4
28Rada Suazo, Analia0CHI22N23NF+33B?B1.04.54.50.506740.0
29FIDE 347413508B+34NFFF1.03.53.50.006720.0
30FIDE 81481659012N14B15N21B=33N0.511.512.00.257460.0
31FIDE 347908005B=32NF16B20N0.510.511.00.258030.0
32FIDE 3488217026N=31B20N15B25B0.59.510.00.256360.0
33FIDE 348980909B25N?B28N=30B0.56.56.50.256880.0
34FIDE 347410002N29BF14B26N0.010.511.50.007660.0
35FIDE 347537901N19BFFF0.07.07.00.0010550.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers