IV Grand Prix Categoria C Chanco 2025
Round-RobinStandard
7 players participated in this 7-round tournament, held from 06 Dec 2025 to 08 Dec 2025 in Chanco, Chile. Top 10 Elo average was 1805, and top seed was Rosario Izquierdo Garces (🇨🇱 CHI, 1823).
Joaquin Pat Gonzalez Gonzalez (🇨🇱 CHI, 1814) won with 4.5/7, ahead of Rosario Izquierdo Garces (4.0) and Valeria Melin Contreras (4.0). Gonzalez Gonzalez shared the lead from round 6 and broke clear in the final round.
Location
🇨🇱Chanco, Chile
Dates
06 Dec 2025 → 08 Dec 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Round-robin · 7 rounds
Federations · 1 represented
🇨🇱Chile×7
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 7 · 7 rounds3 leader changes shaped the tournament; Gonzalez Gonzalez pulled away in R7.
Co-leaders
1
2
1
1
1
2
1
Gonzalez Gonzalez#1Izquierdo Garces#2Melin Contreras#3Melipichun Torres#4Zuniga Lara#5Salas Poblete#6Fuenzalida Orellana#7
R3 · LEADER CHANGE06 Dec
Joaquin Pat Gonzalez Gonzalez takes the sole lead (2.0/3).
R4 · HEAD-TO-HEAD · WINNER VS 2ND
Joaquin Pat Gonzalez Gonzalez beat Rosario Izquierdo Garces (Black).
R3–R6 · WIN STREAK
Joaquin Pat Gonzalez Gonzalez won 3 in a row (R3–R6).
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇨🇱Gonzalez Gonzalez, Joaquin Pat | 1814 | * | 1 | ½ | ½ | ½ | 1 | 1 | 4.5 | 12.25 | 16.5 | +28.0 | 1997 |
| 2 | 🇨🇱Izquierdo Garces, Rosario | 1823 | 0 | * | 1 | 1 | ½ | ½ | 1 | 4.0 | 10.50 | 17.0 | +16.6 | 1928 |
| 3 | 🇨🇱Melin Contreras, Valeria | 1771 | ½ | 0 | * | 1 | 1 | ½ | 1 | 4.0 | 9.75 | 17.0 | +26.6 | 1936 |
| 4 | 🇨🇱Melipichun Torres, Katerine | 1816 | ½ | 0 | 0 | * | ½ | 1 | ½ | 2.5 | 6.25 | 18.5 | -12.0 | 1747 |
| 7 | 🇨🇱Fuenzalida Orellana, Jose | 1796 | ½ | ½ | 0 | ½ | * | ½ | 0 | 2.0 | 6.50 | 19.0 | -18.0 | 1682 |
| 5 | 🇨🇱Zuniga Lara, Catalina Paz | 1814 | 0 | ½ | ½ | 0 | ½ | * | ½ | 2.0 | 6.00 | 19.0 | -22.0 | 1679 |
| 6 | 🇨🇱Salas Poblete, Mario Alexander | 1801 | 0 | 0 | 0 | ½ | 1 | ½ | * | 2.0 | 4.25 | 19.0 | -38.4 | 1681 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Gonzalez Gonzalez, Joaquin PatCHI+28.04.5 pts · #1
- 2Melin Contreras, ValeriaCHI+26.64.0 pts · #3
- 3Izquierdo Garces, RosarioCHI+16.64.0 pts · #2
Top rating losers
- 1Salas Poblete, Mario AlexanderCHI-38.42.0 pts · #6
- 2Zuniga Lara, Catalina PazCHI-22.02.0 pts · #5
- 3Fuenzalida Orellana, JoseCHI-18.02.0 pts · #7