IRT Sub 1800 Club de Ajedrez Chillan Viejo
19 players participated in this 5-round tournament, held on 19 Apr 2026 in Chillan Viejo, Chile. Top 10 Elo average was 1638, and top seed was Wladimir Manriquez Espinoza (🇨🇱 CHI, 1760).
Maria Ignacia Iturra Gutierrez (🇨🇱 CHI, 1696) won with 4.0/5, ahead of Javier Andres Guajardo Lagos (4.0) and Antonia Valentina Saa Manriquez (4.0). Iturra Gutierrez won on tie-break after catching the field in the final round.
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How it unfolded
Top 6 · 5 roundsTight race until R5; 3 players tied at 4.0/5, decided on Buchholz.
3 players finish on 4.0/5. Iturra Gutierrez takes the title on Buchholz Cut1 (13.0).
Javier Andres Guajardo Lagos drew with Maria Ignacia Iturra Gutierrez (White).
Javier Andres Guajardo Lagos went unbeaten across 5 games (R1–R5).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Javier Andres Guajardo Lagos | * | ½ | — | ½ |
| 2Maria Ignacia Iturra Gutierrez | ½ | * | — | — |
| 3Antonia Valentina Saa Manriquez | — | — | * | 1 |
| 4Wladimir Manriquez Espinoza | ½ | — | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Iturra Gutierrez, Maria Ignacia | 1696 | CHI | =12B | +7N | +6B | =2N | +5B | 4.0 | 13.0 | 15.0 | 12.00 | 1833 | +33.2 |
| 2 | Guajardo Lagos, Javier Andres | 1679 | CHI | +13N | +10B | =4N | =1B | +11B | 4.0 | 12.0 | 14.0 | 10.25 | 1875 | +49.2 |
| 3 | Saa Manriquez, Antonia Valentina | 1663 | CHI | +18B | +5N | −11N | +10B | +4N | 4.0 | 11.0 | 11.0 | 9.00 | 1853 | +39.2 |
| 4 | Manriquez Espinoza, Wladimir | 1760 | CHI | +8B | +6N | =2B | +11N | −3B | 3.5 | 14.0 | 16.0 | 10.00 | 1794 | +5.0 |
| 5 | Lemus Bustos, Joel Esteban | 1609 | CHI | +16N | −3B | +13N | +7B | −1N | 3.0 | 13.0 | 14.0 | 6.00 | 1587 | -4.4 |
| 6 | Morales Andrades, Rodrigo Ignacio | 1657 | CHI | +14N | −4B | −1N | +16B | +13N | 3.0 | 11.5 | 12.5 | 5.00 | 1510 | -23.2 |
| 7 | Munoz Bobadilla, Max | 1540 | CHI | +15N | −1B | +14N | −5N | +12B | 3.0 | 11.0 | 13.0 | 6.00 | 1471 | -5.4 |
| 8 | Acevedo Gonzalez, Juan Pablo | 1502 | CHI | −4N | +16B | +15N | =9B | =10N | 3.0 | 11.0 | 12.0 | 5.75 | 1467 | -3.4 |
| 9 | Saa Manriquez, Federico Tomas | 1469 | CHI | −11B | =12N | +18B | =8N | +15B | 3.0 | 9.0 | 9.0 | 4.50 | 1445 | -4.4 |
| 10 | Saa Manriquez, Gaspar Facundo | 1546 | CHI | +17B | −2N | +12B | −3N | =8B | 2.5 | 13.0 | 14.0 | 4.50 | 1495 | -12.4 |
| 11 | Palma Rodriguez, Jose | 1726 | CHI | +9N | F | +3B | −4B | −2N | 2.0 | 14.5 | 14.5 | 7.00 | 1643 | -8.6 |
| 12 | Ortiz Hidalgo, Martin Fernaando | 1482 | CHI | =1N | =9B | −10N | +14B | −7N | 2.0 | 12.5 | 14.5 | 5.50 | 1370 | -23.2 |
| 13 | Ojeda Toledo, Leonor Monserrat | 1449 | CHI | −2B | +19N | −5B | +17N | −6B | 2.0 | 11.0 | 11.0 | 1.00 | 848 | -29.2 |
| 14 | Guajardo Lagos, Margarita Monserrat | 0 | CHI | −6B | +17N | −7B | −12N | +19B | 2.0 | 9.0 | 9.0 | 1.00 | 760 | 0.0 |
| 15 | FIDE 3491056 | 0 | — | −7B | +18N | −8B | +19N | −9N | 2.0 | 9.0 | 9.0 | 0.00 | 704 | 0.0 |
| 16 | Orostica Guerrero, Gabriel Alexis | 0 | CHI | −5B | −8N | +19B | −6N | −17B | 1.0 | 10.0 | 10.0 | 0.00 | 789 | 0.0 |
| 17 | FIDE 3491072 | 0 | — | −10N | −14B | F | −13B | +16N | 1.0 | 7.5 | 7.5 | 1.00 | 698 | 0.0 |
| 18 | FIDE 3481859 | 0 | — | −3N | −15B | −9N | F | F | 0.0 | 9.0 | 9.0 | 0.00 | 766 | 0.0 |
| 19 | Munoz Munoz Javier Ignacio | 0 | CHI | −?N | −13B | −16N | −15B | −14N | 0.0 | 7.0 | 7.0 | 0.00 | 732 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Guajardo Lagos, Javier AndresCHI+49.24.0 pts · #1
- 2Saa Manriquez, Antonia ValentinaCHI+39.24.0 pts · #4
- 3Iturra Gutierrez, Maria IgnaciaCHI+33.24.0 pts · #2
- 1Ojeda Toledo, Leonor MonserratCHI-29.22.0 pts · #18
- 2Ortiz Hidalgo, Martin FernaandoCHI-23.22.0 pts · #8
- 3Morales Andrades, Rodrigo IgnacioCHI-23.23.0 pts · #11