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II torneo IRT sub 2400 club AJEZA, Antofagasta 2026

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25 players participated in this 5-round tournament, held from 16 May 2026 to 17 May 2026 in Antofagasta, Chile. 3 federations represented. Top 10 Elo average was 1650, and top seed was Cristian Egana Arriagada (πŸ‡¨πŸ‡± CHI, 1871).

Tomas Cortez Vilca (πŸ‡¨πŸ‡± CHI, 1743) won with 4.5/5, ahead of Cristian Egana Arriagada (4.5). Cortez Vilca shared the lead from round 1, winning on tie-break.

The biggest upset came in round 5: Ricardo Elias Irribarra Mendoza (1607) beat Felipe Ignacio Ortiz Diaz (1798), a +191-point gap.

Location
πŸ‡¨πŸ‡±Antofagasta, Chile
Dates
16 May 2026 β†’ 17 May 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss Β· 5 rounds
Top seed
πŸ‡¨πŸ‡±Cristian Egana Arriagada1871
Avg top 10
1,650
Participants
25
Federations Β· 3 represented
πŸ‡¨πŸ‡±ChileΓ—14
πŸ‡¦πŸ‡·ArgentinaΓ—1
πŸ‡§πŸ‡΄BoliviaΓ—1
Top 3

How it unfolded

Top 6 Β· 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
12
6
3
2
2
1.52.545R1R2R3R4R5
Egana Arriagada4.5Cortez Vilca4.5Mundaca Ocaranza44Irribarra Mendoza4Ortiz Diaz3
R5 Β· TIEBREAK CLUSTER

2 players finish on 4.5/5. Cortez Vilca takes the title on Buchholz Cut1 (14.5).

R5 Β· HEAD-TO-HEAD Β· WINNER VS 2ND

Cristian Egana Arriagada drew with Tomas Cortez Vilca (White).

WIN STREAKS Β· 2 top finishers

Cristian Egana Arriagada 4 wins (R1–R4)Tomas Cortez Vilca 4 wins (R1–R4)

Key matchups Β· top 4

Head-to-head between the four finishers
Player1234
1Cristian Egana Arriagada*
Β½
β€”β€”
2Tomas Cortez Vilca
Β½
*β€”
1
3Rodrigo A Mundaca Ocaranzaβ€”β€”*β€”
4FIDE 3474135β€”
0
β€”*

Grille amΓ©ricaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΞ”
1Cortez Vilca, Tomas1743CHI+13B+3N+8B+7N=2N4.514.516.514.251970+32.4
2Egana Arriagada, Cristian1871CHI+23B+15N+7B+6N=1B4.512.512.510.251993+10.0
3FIDE 34741350β€”+18Nβˆ’1B+10N+14B+11N4.012.014.09.5017160.0
4Mundaca Ocaranza, Rodrigo A1667CHI+17B+22Nβˆ’6B+21N+8B4.010.011.08.001701+3.6
5Irribarra Mendoza, Ricardo Elias1607CHIβˆ’22B+17N+13B+16N+6B4.09.010.09.002598+30.0
6Ortiz Diaz, Felipe Ignacio1798CHI+20N+9B+4Nβˆ’2Bβˆ’5N3.015.517.59.001650-28.8
7Rodriguez, Bastian1615ARG+12N+19Bβˆ’2Nβˆ’1B+14N3.013.515.56.501550-11.2
8Barreda Cruz, Said Alejandro1604CHI+24N+14Bβˆ’1N+9Bβˆ’4N3.013.513.55.001496-16.8
9Campe Sanchez, Diego1453CHI+16Bβˆ’6N+22Bβˆ’8N+17B3.010.011.05.00901-16.4
10FIDE 34827150β€”βˆ’15B+23Nβˆ’3B+13N+21B3.010.010.04.006520.0
11Salvatierra Estrada, Damian1689BOLβˆ’14N=12B+20N+19Bβˆ’3B2.510.512.55.252210+6.4
12Gutierrez Aqueveque, Alvaro Francisco0CHIβˆ’7B=11N+23Bβˆ’15N+16B2.59.59.53.2513120.0
13FIDE 34834280β€”βˆ’1N+18Bβˆ’5Nβˆ’10B+25N2.013.513.52.008750.0
14FIDE 34623820β€”+11Bβˆ’8N+15Bβˆ’3Nβˆ’7B2.012.514.54.5015900.0
15Castillo Ahumada, Yessica1452CHI+10Nβˆ’2Bβˆ’14N+12Bβˆ’18N2.012.014.05.501052-1.6
16Negrete Carvajal, Benjamin Ignacio0CHIβˆ’9N+20B+19Nβˆ’5Bβˆ’12N2.011.513.54.0013650.0
17FIDE 34902970β€”βˆ’4Nβˆ’5B+24N+25Bβˆ’9N2.011.011.00.007760.0
18Ugarte Silva, Rodolfo0CHIβˆ’3Bβˆ’13NF+22N+15B2.09.09.03.0014720.0
19Ballesteros Guevara, Anna Christina1410CHI+25Bβˆ’7Nβˆ’16Bβˆ’11N+22B2.08.58.51.00852-16.0
20FIDE 34741000β€”βˆ’6Bβˆ’16Nβˆ’11B+23N+24B2.07.57.50.009440.0
21Rada Suazo, Analia0CHIF+24B+25Nβˆ’4Bβˆ’10N2.07.07.00.008670.0
22FIDE 34790800β€”+5Nβˆ’4Bβˆ’9Nβˆ’18Bβˆ’19N1.013.015.04.0013410.0
23Villagran Mansilla, Dylan Yahir0CHIβˆ’2Nβˆ’10Bβˆ’12Nβˆ’20BF0.012.012.00.0010710.0
24FIDE 34741190β€”βˆ’8Bβˆ’21Nβˆ’17BFβˆ’20N0.09.09.00.008040.0
25FIDE 34882170β€”βˆ’19NFβˆ’21Bβˆ’17Nβˆ’13B0.08.08.00.006100.0

Key insights

Biggest movers and upsets β€” the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
II torneo IRT sub 2400 club AJEZA, Antofagasta 2026 β€” Antofagasta, Chile | Chess Tournament Results | ChessStats