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
Titled players · 2
FM×2
Federations · 1 represented
🇦🇷Argentina×12
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsJuan Koch led from R3; +0.5-point edge over the runner-up.
Co-leaders
4
1
1
1
1
1
1
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| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Juan Koch | * | ½ | ½ | ½ |
| 2FMGustavo Aguila | ½ | * | ½ | ½ |
| 3Juan Domingo Garcia | ½ | ½ | * | ½ |
| 4FMCarlos Cranbourne | ½ | ½ | ½ | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Koch, Juan | 1993 | ARG | +6N | =2B | +5N | +9B | =4N | =3B | +7N | 5.5 | 21.0 | 23.0 | 16.50 | 2213 | +35.4 |
| 2 | Aguila, GustavoFM | 2156 | ARG | =4B | =1N | +7B | =3N | +6B | =10N | +5B | 5.0 | 21.5 | 23.0 | 15.50 | 2098 | -7.0 |
| 3 | Cranbourne, CarlosFM | 2110 | ARG | +8N | =5B | =4N | =2B | F | =1N | +10B | 4.0 | 22.0 | 23.5 | 12.50 | 2087 | -2.8 |
| 4 | Garcia, Juan Domingo | 1932 | ARG | =2N | +8B | =3B | =6N | =1B | +7N | F | 4.0 | 21.0 | 21.0 | 12.50 | 2111 | +56.0 |
| 5 | Lopez, Ricardo | 1938 | ARG | +10B | =3N | −1B | −7N | +11B | +6N | −2N | 3.5 | 20.5 | 21.5 | 7.00 | 1965 | +5.0 |
| 6 | Santiso, Daniel | 1892 | ARG | −1B | +10N | +12B | =4B | −2N | −5B | −8N | 2.5 | 21.5 | 21.5 | 3.50 | 1806 | -16.6 |
| 7 | Ponti, Enrique | 1857 | ARG | F | F | −2N | +5B | +8N | −4B | −1B | 2.0 | 20.0 | 20.0 | 5.50 | 1914 | +12.4 |
| 8 | Tortosa, Horacio | 1895 | ARG | −3B | −4N | F | +10N | −7B | −11N | +6B | 2.0 | 15.0 | 15.0 | 4.00 | 1796 | -16.0 |
| 9 | Lo Presti, Roberto | 1999 | ARG | +11B | +12N | F | −1N | F | F | F | 2.0 | 10.5 | 10.5 | 1.00 | 1957 | -1.0 |
| 10 | Radoszta, Armando E. | 1842 | ARG | −5N | −6B | +11N | −8B | F | =2B | −3N | 1.5 | 18.0 | 18.0 | 3.50 | 1788 | -9.4 |
| 11 | Etchevest, Marcelo | 1892 | ARG | −9N | F | −10B | F | −5N | +8B | F | 1.0 | 9.0 | 9.0 | 2.00 | 1725 | -17.4 |
| 12 | Marinas Gonzalez, Mirta | 1589 | ARG | F | −9B | −6N | F | F | F | F | 0.0 | 6.0 | 6.0 | 0.00 | 1141 | -8.8 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Garcia, Juan DomingoARG+56.04.0 pts · #3
- 2Koch, JuanARG+35.45.5 pts · #1
- 3Ponti, EnriqueARG+12.42.0 pts · #9
Top rating losers
- 1Etchevest, MarceloARG-17.41.0 pts · #11
- 2Santiso, DanielARG-16.62.5 pts · #6
- 3Tortosa, HoracioARG-16.02.0 pts · #7