IRT Sub 1800 Copa Pablo Gallardo Quinones
Open SwissStandard
34 players participated in this 5-round tournament, held on 09 May 2026 in Concepcion, Chile. Top 10 Elo average was 1675, and top seed was Francisco Rivas Araneda (🇨🇱 CHI, 1774).
David Alonso Diaz Rosas (🇨🇱 CHI, 1683) won with 4.5/5, ahead of Francisco Rivas Araneda (4.0) and Jorge Diaz Sepulveda (4.0). Diaz Rosas shared the lead from round 4 and broke clear in the final round.
The biggest upset came in round 2: Cesar Cerda Rifo (1462) beat Sebastian Chaparro Calzadilla (1723), a +261-point gap.
Location
🇨🇱Concepcion, Chile
Dates
09 May 2026
Time control
Standard: 30 minutes for game with 30 seconds increment from move 1
System
Swiss · 5 rounds
Federations · 1 represented
🇨🇱Chile×32
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsDavid Alonso Diaz Rosas led from R5; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.
Co-leaders
14
6
1
2
1
Diaz Rosas4.5Rivas Araneda4Diaz Sepulveda4Chaparro Calzadilla3.5Morales Valderrama3.5Koserak Mora3.5
R5 · LEADER CHANGE09 May
David Alonso Diaz Rosas takes the sole lead (4.5/5).
R1–R3 · WIN STREAK
Francisco Rivas Araneda won 3 in a row (R1–R3).
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Diaz Rosas, David Alonso | 1683 | CHI | +30B | +22N | =9B | +10N | +4B | 4.5 | 11.5 | 12.5 | 11.00 | 1912 | +44.8 |
| 2 | Rivas Araneda, Francisco | 1774 | CHI | +11B | +13N | +6B | −4N | +9B | 4.0 | 13.0 | 16.0 | 12.50 | 1828 | +6.4 |
| 3 | Diaz Sepulveda, Jorge | 1698 | CHI | =17B | +18N | +14B | =9N | +13B | 4.0 | 11.5 | 14.0 | 11.25 | 1801 | +23.6 |
| 4 | Koserak Mora, Pablo | 1687 | CHI | +32N | +15B | =5N | +2B | −1N | 3.5 | 15.0 | 16.0 | 9.75 | 1754 | +9.4 |
| 5 | Morales Valderrama, Arturo | 1589 | CHI | +24B | +7N | =4B | −6N | +17B | 3.5 | 13.0 | 15.0 | 9.75 | 1731 | +38.4 |
| 6 | Oyarzun Cayo, Patricio Alejandro | 1604 | CHI | +28B | +21N | −2N | +5B | =7N | 3.5 | 13.0 | 14.5 | 8.75 | 1728 | +26.0 |
| 7 | Bahamonde Zamorano, Arturo Capablanca | 1731 | CHI | +25N | −5B | +17B | +21N | =6B | 3.5 | 11.5 | 13.5 | 8.25 | 1628 | -10.0 |
| 8 | Chaparro Calzadilla, Sebastian | 1723 | CHI | =10B | −17N | +19B | +22N | +11B | 3.5 | 11.0 | 13.0 | 9.00 | 1642 | -9.0 |
| 9 | Villegas Villegas, Marlin | 1602 | CHI | +33N | +12B | =1N | =3B | −2N | 3.0 | 15.5 | 16.5 | 8.25 | 1646 | +4.8 |
| 10 | Esveile Cuevas, Agustina Almendra | 1470 | CHI | =8N | +23B | +27N | −1B | =12N | 3.0 | 13.0 | 14.5 | 6.75 | 1625 | +23.2 |
| 11 | Fontanilla Melendez, Pedro Ignacio | 1497 | CHI | −2N | +31B | +26N | +16B | −8N | 3.0 | 12.5 | 13.5 | 6.00 | 1554 | +7.2 |
| 12 | Fernandez Zambrano, Sebastian Eduardo | 0 | CHI | +18B | −9N | +22B | =14N | =10B | 3.0 | 11.5 | 13.5 | 7.50 | 1576 | 0.0 |
| 13 | Yevenes Bascunan, Juan | 1552 | CHI | +31N | −2B | +29N | +23B | −3N | 3.0 | 11.0 | 12.0 | 4.00 | 1517 | -6.4 |
| 14 | Inostroza Meza, Catalina Francisc | 1657 | CHI | +29N | =27B | −3N | =12B | +23N | 3.0 | 10.5 | 11.5 | 5.25 | 1540 | -17.6 |
| 15 | Soto Riveros, Juan | 1519 | CHI | +26B | −4N | −21B | +28N | +24B | 3.0 | 9.5 | 11.0 | 5.50 | 1643 | +9.6 |
| 16 | Munoz Solar, Joaquin Alfonso | 1539 | CHI | −21B | +28N | +24B | −11N | +25B | 3.0 | 9.0 | 10.5 | 5.50 | 1653 | +22.4 |
| 17 | Cerda Rifo, Cesar | 1462 | CHI | =3N | +8B | −7N | +27B | −5N | 2.5 | 14.5 | 16.0 | 7.00 | 1642 | +45.2 |
| 18 | Silva Honorato, Antonia Liliana | 1533 | CHI | −12N | −3B | +31N | +29B | =20N | 2.5 | 10.5 | 11.5 | 3.25 | 1576 | +4.4 |
| 19 | Acevedo Gonzalez, Juan Pablo | 1516 | CHI | −23N | =33B | −8N | +32B | +29N | 2.5 | 7.5 | 8.5 | 2.50 | 1611 | +9.6 |
| 20 | Van Rysselberghe Troncoso, Elena Valentina | 0 | CHI | F | −29B | +32N | +30N | =18B | 2.5 | 5.5 | 5.5 | 3.25 | 1495 | 0.0 |
| 21 | Carrillo Sandoval, Roberto Alexander | 0 | CHI | +16N | −6B | +15N | −7B | −27N | 2.0 | 13.0 | 14.5 | 6.00 | 1500 | 0.0 |
| 22 | Nunez Fuentealba. Benjamin Lautaro | 1518 | CHI | +34N | −1B | −12N | −8B | +31N | 2.0 | 12.0 | 12.0 | 1.00 | 903 | -20.8 |
| 23 | San Martin Duran, Tomas Marco Ale | 0 | CHI | +19B | −10N | +30B | −13N | −14B | 2.0 | 11.5 | 12.5 | 3.50 | 1458 | 0.0 |
| 24 | Oyarzun Nunez, Gabriel Alejandro | 1427 | CHI | −5N | +25B | −16N | +33B | −15N | 2.0 | 11.5 | 12.5 | 3.00 | 1438 | +2.4 |
| 25 | Riquelme Navarro, Hugo | 1476 | CHI | −7B | −24N | +33N | +26B | −16N | 2.0 | 10.5 | 11.5 | 3.00 | 1339 | -29.6 |
| 26 | Loosli Apablaza, Carlos | 0 | CHI | −15N | +32B | −11B | −25N | +30B | 2.0 | 9.0 | 10.0 | 2.00 | 1409 | 0.0 |
| 27 | Caceres Monroy, Josefa Hanan | 1469 | CHI | F | =14N | −10B | −17N | +21B | 1.5 | 10.5 | 10.5 | 3.50 | 1257 | -30.8 |
| 28 | Riquelme Chavarria, Rafael | 1439 | CHI | −6N | −16B | +34N | −15B | =33N | 1.5 | 10.5 | 10.5 | 0.50 | 1201 | -41.6 |
| 29 | Marin Poveda, Jose Carlos | 1453 | CHI | −14B | +20N | −13B | −18N | −19B | 1.0 | 11.0 | 13.5 | 2.50 | 765 | -56.0 |
| 30 | Morales Cabezas, Alvaro Alejandro | 1455 | CHI | −1N | +34B | −23N | −20B | −26N | 1.0 | 11.0 | 11.0 | 0.00 | 883 | -8.4 |
| 31 | FIDE 3491382 | 0 | — | −13B | −11N | −18B | +34N | −22B | 1.0 | 10.5 | 10.5 | 0.00 | 725 | 0.0 |
| 32 | Koserak Araya, Javiera Ignacia | 1459 | CHI | −4B | −26N | −20B | −19N | +34B | 1.0 | 10.5 | 10.5 | 0.00 | 802 | -25.2 |
| 33 | Baeza Avello, Pedro Efrain | 1429 | CHI | −9B | =19N | −25B | −24N | =28B | 1.0 | 9.5 | 11.0 | 2.00 | 1252 | -21.4 |
| 34 | FIDE 3490432 | 0 | — | −22B | −30N | −28B | −31B | −32N | 0.0 | 5.5 | 6.5 | 0.00 | 668 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Cerda Rifo, CesarCHI+45.22.5 pts · #9
- 2Diaz Rosas, David AlonsoCHI+44.84.5 pts · #1
- 3Morales Valderrama, ArturoCHI+38.43.5 pts · #5
Top rating losers
- 1Marin Poveda, Jose CarlosCHI-56.01.0 pts · #30
- 2Riquelme Chavarria, RafaelCHI-41.61.5 pts · #28
- 3Caceres Monroy, Josefa HananCHI-30.81.5 pts · #27
Biggest upsets
- R2+261 Elo gap
- R2+142 Elo gap