IV Grand Prix Categoria Play In Chanco 2025
Round-RobinStandard
8 players participated in this 7-round tournament, held from 06 Dec 2025 to 08 Dec 2025 in Chanco, Chile. Top 10 Elo average was 1115, and top seed was Paula Sofia Arenas Gomez (🇨🇱 CHI, 1552).
Nicolas Alejandro Orellana Vivanco (🇨🇱 CHI, 1478) won with 5.5/7, ahead of Susan Carolina Lamas Fuentes (5.5) and Rocio Ignacia Rojas Flores (4.0). Orellana Vivanco won on tie-break after catching the field 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×8
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 8 · 7 roundsCo-leaders
4
3
1
1
1
1
2
Orellana Vivanco#1Lamas Fuentes#2Rojas Flores#4Fuentes Orellana#3Arenas Gomez#5Andres#7Villasenor Ayala#6Vasquez Faundez#8
R7 · HEAD-TO-HEAD · WINNER VS 2ND
Nicolas Alejandro Orellana Vivanco beat Susan Carolina Lamas Fuentes (Black).
WIN STREAKS · 3 top finishers
Nicolas Alejandro Orellana Vivanco 3 wins (R5–R7)Susan Carolina Lamas Fuentes 5 wins (R1–R5)Rocio Ignacia Rojas Flores 3 wins (R3–R5)
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇨🇱Orellana Vivanco, Nicolas Alejandro | 1478 | * | 1 | 1 | ½ | 1 | 1 | 1 | 0 | 5.5 | 19.25 | 22.5 | +42.4 | 1640 |
| 2 | 🇨🇱Lamas Fuentes, Susan Carolina | 1475 | 0 | * | ½ | 1 | 1 | 1 | 1 | 1 | 5.5 | 15.00 | 22.5 | +44.0 | 1640 |
| 4 | 🇨🇱Rojas Flores, Rocio Ignacia | 1526 | 0 | ½ | * | 0 | ½ | 1 | 1 | 1 | 4.0 | 10.75 | 24.0 | -33.2 | 1409 |
| 3 | 🇨🇱Fuentes Orellana, Alejandro Antonio | 1453 | ½ | 0 | 1 | * | 0 | 0 | 1 | 1 | 3.5 | 10.25 | 24.5 | +11.2 | 1496 |
| 5 | 🇨🇱Arenas Gomez, Paula Sofia | 1552 | 0 | 0 | ½ | 1 | * | 1 | 0 | ½ | 3.0 | 9.25 | 25.0 | -40.4 | 1404 |
| 7 | 🇨🇱Pradenas Sandoval Gabriel Andres | 0 | 0 | 0 | 0 | 1 | 0 | * | 1 | 1 | 3.0 | 7.00 | 25.0 | 0.0 | 1364 |
| 6 | 🇨🇱Villasenor Ayala, Maximiano Alejandro | 0 | 0 | 0 | 0 | 0 | 1 | 0 | * | 1 | 2.0 | 4.50 | 26.0 | 0.0 | 1364 |
| 8 | 🇨🇱Vasquez Faundez, Sofia Alejandra | 1439 | 1 | 0 | 0 | 0 | ½ | 0 | 0 | * | 1.5 | 7.00 | 26.5 | -24.0 | 1350 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Lamas Fuentes, Susan CarolinaCHI+44.05.5 pts · #2
- 2Orellana Vivanco, Nicolas AlejandroCHI+42.45.5 pts · #1
- 3Fuentes Orellana, Alejandro AntonioCHI+11.23.5 pts · #3
Top rating losers
- 1Arenas Gomez, Paula SofiaCHI-40.43.0 pts · #5
- 2Rojas Flores, Rocio IgnaciaCHI-33.24.0 pts · #4
- 3Vasquez Faundez, Sofia AlejandraCHI-24.01.5 pts · #8