CChessStats

Campeonato Argentino Senior 65

Open SwissStandard

12 players participated in this 7-round tournament, held from 21 Nov 2025 to 24 Nov 2025 in Caba, Argentina. 2 titled players. Top 10 Elo average was 1966, and top seed was Gustavo Aguila (🇦🇷 ARG, FM, 2156).

Juan Koch (🇦🇷 ARG, 1993) won with 5.5/7, ahead of Gustavo Aguila (5.0) and Carlos Cranbourne (4.0).

Location
🇦🇷Caba, Argentina
Dates
21 Nov 2025 → 24 Nov 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Top seed
🇦🇷FMGustavo Aguila2156
Avg top 10
1,966
Participants
12
Titled players · 2
FM×2
Federations · 1 represented
🇦🇷Argentina×12
Top 3

How it unfolded

Top 6 · 7 rounds

Juan Koch led from R3; +0.5-point edge over the runner-up.

Co-leaders
4
1
1
1
1
1
1
23.55.57R1R2R3R4R5R6R7Koch takes lead
R3 · LEADER CHANGE22 Nov

Juan Koch takes the sole lead (2.5/3).

R2 · HEAD-TO-HEAD · WINNER VS 2ND

Juan Koch drew with FM Gustavo Aguila (White).

R1–R7 · UNBEATEN

Juan Koch went unbeaten across 7 games (R1–R7).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Juan Koch*
½
½
½
2FMGustavo Aguila
½
*
½
½
3Juan Domingo Garcia
½
½
*
½
4FMCarlos Cranbourne
½
½
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Koch, Juan1993ARG+6N=2B+5N+9B=4N=3B+7N5.521.023.016.502213+35.4
2Aguila, GustavoFM2156ARG=4B=1N+7B=3N+6B=10N+5B5.021.523.015.502098-7.0
3Cranbourne, CarlosFM2110ARG+8N=5B=4N=2BF=1N+10B4.022.023.512.502087-2.8
4Garcia, Juan Domingo1932ARG=2N+8B=3B=6N=1B+7NF4.021.021.012.502111+56.0
5Lopez, Ricardo1938ARG+10B=3N1B7N+11B+6N2N3.520.521.57.001965+5.0
6Santiso, Daniel1892ARG1B+10N+12B=4B2N5B8N2.521.521.53.501806-16.6
7Ponti, Enrique1857ARGFF2N+5B+8N4B1B2.020.020.05.501914+12.4
8Tortosa, Horacio1895ARG3B4NF+10N7B11N+6B2.015.015.04.001796-16.0
9Lo Presti, Roberto1999ARG+11B+12NF1NFFF2.010.510.51.001957-1.0
10Radoszta, Armando E.1842ARG5N6B+11N8BF=2B3N1.518.018.03.501788-9.4
11Etchevest, Marcelo1892ARG9NF10BF5N+8BF1.09.09.02.001725-17.4
12Marinas Gonzalez, Mirta1589ARGF9B6NFFFF0.06.06.00.001141-8.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers