IRT Sub 1800 Circuito Pablo Gallardo Quinones
31 players participated in this 5-round tournament, held on 11 Apr 2026 in Concepcion, Chile. Top 10 Elo average was 1669, and top seed was Emilia Esperanza Alarcon Diaz (🇨🇱 CHI, 1732).
Emilia Esperanza Alarcon Diaz (🇨🇱 CHI, 1732) won with 4.5/5, ahead of Sebastian Chaparro Calzadilla (4.5) and Ronald Hernandez Concha (4.0). Alarcon Diaz shared the lead from round 1, winning on tie-break.
The biggest upset came in round 1: Juan Pablo Acevedo Gonzalez (1502) beat Jorge Diaz Sepulveda (1702), a +200-point gap.
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How it unfolded
Top 6 · 5 roundsTight race until R5; 2 players tied at 4.5/5, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.
2 players finish on 4.5/5. Alarcon Diaz takes the title on Buchholz Cut1 (15.5).
Emilia Esperanza Alarcon Diaz drew with Sebastian Chaparro Calzadilla (White).
Emilia Esperanza Alarcon Diaz 4 wins (R1–R4)Sebastian Chaparro Calzadilla 4 wins (R1–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Emilia Esperanza Alarcon Diaz | * | ½ | — | 1 |
| 2Sebastian Chaparro Calzadilla | ½ | * | — | — |
| 3Arturo Capablanca Bahamonde Zamorano | — | — | * | 0 |
| 4Ronald Hernandez Concha | 0 | — | 1 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Alarcon Diaz, Emilia Esperanza | 1732 | CHI | +12B | +10N | +5B | +3N | =2B | 4.5 | 15.5 | 18.5 | 16.25 | 1977 | +48.0 |
| 2 | Chaparro Calzadilla, Sebastian | 1696 | CHI | +19N | +18B | +8N | +7B | =1N | 4.5 | 12.5 | 14.5 | 12.25 | 1964 | +27.2 |
| 3 | Hernandez Concha, Ronald | 1661 | CHI | +22B | +24N | +4B | −1B | +7N | 4.0 | 13.5 | 14.5 | 10.00 | 1835 | +21.6 |
| 4 | Bahamonde Zamorano, Arturo Capablanca | 1707 | CHI | +11N | +9B | −3N | +13B | +8N | 4.0 | 13.0 | 16.0 | 12.00 | 1814 | +24.4 |
| 5 | Inostroza Meza, Catalina Francisc | 1631 | CHI | +20N | +27B | −1N | +11B | +10N | 4.0 | 12.5 | 13.5 | 9.00 | 1755 | +25.2 |
| 6 | Koserak Mora, Pablo | 1674 | CHI | +21N | +15B | −7N | +18B | +9N | 4.0 | 10.5 | 12.5 | 9.50 | 1775 | +11.4 |
| 7 | Oyarzun Cayo, Patricio Alejandro | 1600 | CHI | +29N | +16B | +6B | −2N | −3B | 3.0 | 15.0 | 15.0 | 6.50 | 1615 | +3.2 |
| 8 | Villegas Villegas, Marlin | 1616 | CHI | +25B | +17N | −2B | +12N | −4B | 3.0 | 13.5 | 14.5 | 6.00 | 1594 | -2.2 |
| 9 | Morales Valderrama, Arturo | 1569 | CHI | +28B | −4N | +24B | +15N | −6B | 3.0 | 11.5 | 12.5 | 4.50 | 1641 | +20.4 |
| 10 | Munoz Solar, Joaquin Alfonso | 1536 | CHI | +26N | −1B | +27N | +23B | −5B | 3.0 | 11.5 | 12.5 | 4.00 | 1551 | +2.0 |
| 11 | Riquelme Navarro, Hugo | 1503 | CHI | −4B | +25N | +26B | −5N | +17B | 3.0 | 11.0 | 12.0 | 4.00 | 1469 | -6.4 |
| 12 | Nunez Fuentealba. Benjamin Lautaro | 1524 | CHI | −1N | +29B | +16N | −8B | +26B | 3.0 | 11.0 | 11.0 | 3.50 | 1466 | -10.4 |
| 13 | Ladron De Guevara Sepulveda, Martin Alonso | 1557 | CHI | −16N | +20B | +28N | −4N | +22B | 3.0 | 10.5 | 11.5 | 5.00 | 1715 | +40.8 |
| 14 | Diaz Sepulveda, Jorge | 1702 | CHI | −15B | F | +20N | +25N | +19B | 3.0 | 7.5 | 8.5 | 5.00 | 1673 | -5.2 |
| 15 | Acevedo Gonzalez, Juan Pablo | 1502 | CHI | +14N | −6N | +17B | −9B | =16N | 2.5 | 12.5 | 14.5 | 6.25 | 1524 | +1.6 |
| 16 | Nunez Perez, Rafael Andres | 0 | CHI | +13B | −7N | −12B | +24N | =15B | 2.5 | 11.5 | 12.5 | 5.25 | 1528 | 0.0 |
| 17 | Yevenes Bascunan, Juan | 0 | CHI | +31N | −8B | −15N | +21B | −11N | 2.0 | 10.5 | 10.5 | 2.00 | 1451 | 0.0 |
| 18 | Silva Honorato, Antonia Liliana | 1539 | CHI | +30B | −2N | +22B | −6N | F | 2.0 | 10.5 | 10.5 | 2.00 | 1479 | -10.4 |
| 19 | Esveile Cuevas, Agustina Almendra | 1498 | CHI | −2B | +30N | −23N | +27B | −14N | 2.0 | 10.5 | 10.5 | 1.00 | 888 | -30.8 |
| 20 | Koserak Araya, Javiera Ignacia | 1456 | CHI | −5B | −13N | −14B | +31B | +30N | 2.0 | 10.0 | 10.0 | 0.00 | 1402 | -14.4 |
| 21 | Riquelme Chavarria, Rafael | 1463 | CHI | −6B | −23B | +29N | −17N | +25B | 2.0 | 9.0 | 9.0 | 1.00 | 1552 | +18.0 |
| 22 | Oyarzun Nunez, Gabriel Alejandro | 1458 | CHI | −3N | +31B | −18N | +30B | −13N | 2.0 | 9.0 | 9.0 | 0.00 | 1369 | -14.4 |
| 23 | Diaz Rosas, David Alonso | 1675 | CHI | −24B | +21N | +19B | −10N | F | 2.0 | 8.0 | 8.0 | 4.00 | 1499 | -34.8 |
| 24 | Fontanilla Melendez, Pedro Ignacio | 1493 | CHI | +23N | −3B | −9N | −16B | −27N | 1.0 | 11.5 | 12.5 | 2.00 | 1506 | +1.6 |
| 25 | Baeza Avello, Pedro Efrain | 1443 | CHI | −8N | −11B | +31N | −14B | −21N | 1.0 | 11.0 | 11.0 | 0.00 | 1323 | -14.2 |
| 26 | San Martin Duran, Tomas Marco Ale | 0 | CHI | −10B | F | −11N | +28B | −12N | 1.0 | 10.0 | 10.0 | 1.00 | 1317 | 0.0 |
| 27 | FIDE 3486672 | 0 | — | F | −5N | −10B | −19N | +24B | 1.0 | 10.0 | 10.0 | 1.00 | 1348 | 0.0 |
| 28 | Marin Poveda, Jose Carlos | 1471 | CHI | −9N | F | −13B | −26N | +29B | 1.0 | 10.0 | 10.0 | 0.00 | 1379 | -14.0 |
| 29 | Loosli Apablaza, Carlos | 1424 | CHI | −7B | −12N | −21B | F | −28N | 0.0 | 9.0 | 9.0 | 0.00 | 714 | -60.8 |
| 30 | FIDE 3490432 | 0 | — | −18N | −19B | F | −22N | −20B | 0.0 | 8.0 | 8.0 | 0.00 | 690 | 0.0 |
| 31 | Morales Cabezas, Alvaro Alejandro | 1527 | CHI | −17B | −22N | −25B | −20N | F | 0.0 | 7.0 | 7.0 | 0.00 | 652 | -72.8 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Alarcon Diaz, Emilia EsperanzaCHI+48.04.5 pts · #1
- 2Ladron De Guevara Sepulveda, Martin AlonsoCHI+40.83.0 pts · #6
- 3Chaparro Calzadilla, SebastianCHI+27.24.5 pts · #2
- 1Morales Cabezas, Alvaro AlejandroCHI-72.80.0 pts · #30
- 2Loosli Apablaza, CarlosCHI-60.80.0 pts · #29
- 3Diaz Rosas, David AlonsoCHI-34.82.0 pts · #12
- R1+200 Elo gap
- R1+182 Elo gap
- R4+139 Elo gap