XII Open de Ajedrez Lebu 2025
SwissStandard
47 players participated in this 7-round tournament, held from 16 Jul 2025 to 20 Jul 2025 in Lebu, Chile. 10 titled players from 3 federations. Top 10 Elo average was 2213, and top seed was Matias Perez Gormaz (🇨🇱 CHI, IM, 2391).
Victor Farfan Ortiz (🇨🇱 CHI, 2159) won with 6.0/7, ahead of Sebastian Alvarado Munoz (5.5) and Benjamin Bahamondes Ortiz (5.5). Farfan Ortiz shared the lead from round 6 and broke clear in the final round.
The biggest upset came in round 2: Sebastian Andres Contreras Herrera (1637) beat Marlies Macia Velazquez (2089), a +452-point gap.
Location
🇨🇱Lebu, Chile
Dates
16 Jul 2025 → 20 Jul 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Titled players · 10
IM×1
FM×6
CM×3
Federations · 3 represented
🇨🇱Chile×45
🇪🇸Spain×1
🇨🇺Cuba×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsVictor Farfan Ortiz led from R7; +0.5-point edge over the runner-up.
Co-leaders
19
8
3
1
1
3
1
R7 · LEADER CHANGE20 Jul
Victor Farfan Ortiz takes the sole lead (6.0/7).
WIN STREAKS · 2 top finishers
Victor Farfan Ortiz 6 wins (R2–R7)FM Benjamin Bahamondes Ortiz 3 wins (R2–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Victor Farfan Ortiz | * | — | — | 1 |
| 2Sebastian Alvarado Munoz | — | * | — | 0 |
| 3FMBenjamin Bahamondes Ortiz | — | — | * | — |
| 4Agustin Ramirez Camilla | 0 | 1 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Farfan Ortiz, Victor | 2159 | CHI | −28B | +31N | +42B | +16N | +27B | +14N | +4B | 6.0 | 22.0 | 23.0 | 20.00 | 2221 | +9.8 |
| 2 | Alvarado Munoz, Sebastian | 1988 | CHI | +35N | +6B | −4B | +18N | +13B | =9N | +8N | 5.5 | 27.0 | 29.5 | 22.25 | 2364 | +65.4 |
| 3 | Bahamondes Ortiz, BenjaminFM | 2265 | CHI | =17N | +33B | +21N | +10B | =14N | +5B | =6N | 5.5 | 26.0 | 28.5 | 22.00 | 2284 | +5.8 |
| 4 | Ramirez Camilla, Agustin | 2060 | CHI | +38N | +27B | +2N | +9B | =5N | =8B | −1N | 5.0 | 28.5 | 31.0 | 20.25 | 2202 | +56.0 |
| 5 | Henriquez Hidalgo, Camilo Alonso | 2120 | CHI | +29N | +11B | +20N | =14B | =4B | −3N | +13B | 5.0 | 27.0 | 30.0 | 20.00 | 2211 | +18.8 |
| 6 | Perez Gormaz, MatiasIM | 2391 | CHI | +30B | −2N | +22B | =13N | +32B | +10N | =3B | 5.0 | 26.0 | 28.5 | 18.25 | 2230 | -9.6 |
| 7 | Hernandez Riera, JoseFM | 2151 | CHI | +34N | =21B | =28N | +11B | −8N | +29B | +15N | 5.0 | 22.5 | 25.0 | 17.25 | 2109 | -3.2 |
| 8 | Llorens Sepulveda, MarceloFM | 2235 | CHI | +23B | −16N | +26B | +30N | +7B | =4N | −2B | 4.5 | 26.5 | 29.5 | 17.50 | 2076 | -11.5 |
| 9 | Aravena Navarro, Alexis Andres | 2138 | CHI | +26B | =28N | +32B | −4N | +19B | =2B | =11N | 4.5 | 25.5 | 28.0 | 16.50 | 2056 | -12.4 |
| 10 | Farfan Ortiz, Enrique AlfredoCM | 2054 | CHI | +40N | +41B | =13B | −3N | +15N | −6B | +21N | 4.5 | 24.5 | 26.0 | 13.50 | 2151 | +19.8 |
| 11 | Canales Bustamante, Benjamin Gust | 1958 | CHI | +47B | −5N | +37B | −7N | +24B | +25N | =9B | 4.5 | 24.0 | 24.0 | 11.75 | 1988 | +7.6 |
| 12 | Arias Diaz, Miguel Angel | 2141 | CHI | =22B | −19N | =29N | =38B | +35N | +32B | +14B | 4.5 | 19.5 | 22.0 | 13.50 | 1981 | -44.0 |
| 13 | Vergara Jofre, FelipeFM | 2220 | CHI | +36N | +15B | =10N | =6B | −2N | +17B | −5N | 4.0 | 28.0 | 30.5 | 15.25 | 2099 | -18.8 |
| 14 | Orrego Palermo, Marcelo | 2057 | CHI | +31B | +42N | +16B | =5N | =3B | −1B | −12N | 4.0 | 28.0 | 29.0 | 13.25 | 2066 | +5.0 |
| 15 | Arias Diaz, Javier Alonso | 2005 | CHI | +24B | −13N | +39B | +23N | −10B | +16N | −7B | 4.0 | 24.5 | 27.0 | 13.50 | 1993 | +1.8 |
| 16 | Medina Castillo, Benjamin Ignacio | 1951 | CHI | +45N | +8B | −14N | −1B | +28N | −15B | +29N | 4.0 | 24.5 | 24.5 | 10.50 | 2016 | +18.4 |
| 17 | Cortez Vilca, Tomas | 1902 | CHI | =3B | =22N | +44B | =19N | =18B | −13N | +30B | 4.0 | 24.0 | 24.5 | 12.00 | 2096 | +52.0 |
| 18 | Arancibia Guzman, EduardoFM | 2308 | CHI | +25B | =32N | =19B | −2B | =17N | +23N | =27B | 4.0 | 23.5 | 26.0 | 13.75 | 2001 | -22.5 |
| 19 | Montero Martinez, CristhianFM | 2021 | CHI | =33N | +12B | =18N | =17B | −9N | +41B | =20N | 4.0 | 23.5 | 25.0 | 13.25 | 2044 | +6.6 |
| 20 | Barria Arbunic, Manuel | 2028 | ESP | +37B | +39N | −5B | −27N | =23B | +22N | =19B | 4.0 | 21.5 | 24.0 | 12.25 | 1929 | -14.6 |
| 21 | Henriquez Acuna, Julio | 1988 | CHI | +46B | =7N | −3B | =22N | +36B | =27N | −10B | 3.5 | 24.0 | 24.0 | 8.25 | 1957 | -4.8 |
| 22 | Loos Fernandez, Tiago | 1828 | CHI | =12N | =17B | −6N | =21B | +44N | −20B | +37N | 3.5 | 23.5 | 24.0 | 9.00 | 1932 | +24.0 |
| 23 | Orpinas Konig, Claudio JavierCM | 1892 | CHI | −8N | +35B | +41N | −15B | =20N | −18B | +39N | 3.5 | 21.5 | 23.0 | 8.50 | 1950 | +8.4 |
| 24 | Chaparro Calzadilla, Sebastian | 1611 | CHI | −15N | +36B | −27N | +40B | −11N | =34B | +41N | 3.5 | 19.0 | 20.5 | 7.75 | 1868 | +84.8 |
| 25 | Rakela Rodriguez, Juan | 1925 | CHI | −18N | =40B | +33N | =29B | +45N | −11B | =36N | 3.5 | 19.0 | 19.0 | 6.50 | 1812 | -19.4 |
| 26 | Melin Contreras, Valeria | 1810 | CHI | −9N | +45B | −8N | =44B | +38N | −36B | +33N | 3.5 | 17.0 | 17.0 | 5.25 | 1848 | +1.0 |
| 27 | Lagos Inostroza, Andres | 1926 | CHI | F | −4N | +24B | +20B | −1N | =21B | =18N | 3.0 | 26.0 | 26.0 | 11.25 | 2026 | +14.8 |
| 28 | Cordero Alchahueni, Jorge Marcelo | 1859 | CHI | +1N | =9B | =7B | −32N | −16B | −31N | +45B | 3.0 | 25.0 | 25.0 | 10.75 | 1889 | +2.6 |
| 29 | Vera Quijon, Lorenzo Vicente | 1778 | CHI | −5B | +47N | =12B | =25N | +30B | −7N | −16B | 3.0 | 25.0 | 25.0 | 7.00 | 1913 | +16.4 |
| 30 | Myers Cumsille, Cash AmaruCM | 1939 | CHI | −6N | +38B | +34N | −8B | −29N | +45B | −17N | 3.0 | 21.5 | 21.5 | 5.00 | 1847 | -36.0 |
| 31 | Magana Ibarra, Benjamin | 1707 | CHI | −14N | −1B | =35N | +33B | =34N | +28B | −32N | 3.0 | 20.5 | 23.0 | 8.00 | 1809 | +27.6 |
| 32 | Casanova Ceballos, Axel Nicolas | 1979 | CHI | F | =18B | −9N | +28B | −6N | −12N | +31B | 2.5 | 24.0 | 24.0 | 8.00 | 2032 | +4.8 |
| 33 | Apablaza Aranguiz, Matias | 1626 | CHI | =19B | −3N | −25B | −31N | +37B | +47N | −26B | 2.5 | 22.0 | 22.0 | 4.50 | 1662 | +1.2 |
| 34 | Palape Palacios, Gustavo | 1832 | CHI | −7B | +46N | −30B | =39N | =31B | =24N | −40B | 2.5 | 19.5 | 19.5 | 4.50 | 1651 | -34.0 |
| 35 | Rossel Grandon, Maria Ignacia | 1548 | CHI | −2B | −23N | =31B | +46N | −12B | −39N | +44B | 2.5 | 19.5 | 19.5 | 2.00 | 1591 | +2.8 |
| 36 | Mora Lipant, Juan Carlos | 1881 | CHI | −13B | −24N | +46B | F | −21N | +26N | =25B | 2.5 | 19.0 | 19.0 | 5.25 | 1783 | -30.4 |
| 37 | Contreras Herrera, Sebastian Andres | 1637 | CHI | −20N | +43B | −11N | =41B | −33N | +38B | −22B | 2.5 | 18.5 | 19.5 | 4.25 | 1761 | +32.0 |
| 38 | Miranda Iubini, Noa | 1740 | CHI | −4B | −30N | +47B | =12N | −26B | −37N | +46N | 2.5 | 18.5 | 18.5 | 2.25 | 1653 | -32.4 |
| 39 | Toledo Sandoval, Claudio | 1722 | CHI | +44N | −20B | −15N | =34B | −41N | +35B | −23B | 2.5 | 18.0 | 18.5 | 4.25 | 1661 | -10.6 |
| 40 | Obando Gonzalez, Vicente | 1659 | CHI | −10B | =25N | −43B | −24N | +46B | F | +34N | 2.5 | 15.5 | 15.5 | 4.25 | 1770 | +23.6 |
| 41 | Martinez Caceres, Felipe Ignacio | 1815 | CHI | F | −10N | −23B | =37N | +39B | −19N | −24B | 1.5 | 20.5 | 20.5 | 3.75 | 1630 | -29.0 |
| 42 | Miranda Gatica, Claudio Adolfo | 1768 | CHI | +43N | −14B | −1N | F | F | F | F | 1.0 | 13.5 | 13.5 | 1.00 | 1977 | +12.4 |
| 43 | Macia Velazquez, Marlies | 2089 | CUB | −42B | −37N | +40N | F | F | F | F | 1.0 | 6.0 | 6.0 | 2.50 | 1590 | -34.2 |
| 44 | Ovalle Araya, Mauricio Alonso Nahuel | 0 | CHI | −39B | F | −17N | =26N | −22B | F | −35N | 0.5 | 18.5 | 18.5 | 1.75 | 1397 | 0.0 |
| 45 | Navarro Bustos, Diego | 0 | CHI | −16B | −26N | F | F | −25B | −30N | −28N | 0.0 | 18.0 | 18.0 | 0.00 | 1097 | 0.0 |
| 46 | Castillo Ahumada, Yessica | 1485 | CHI | −21N | −34B | −36N | −35B | −40N | F | −38B | 0.0 | 16.0 | 16.0 | 0.00 | 958 | -22.6 |
| 47 | Cuevas Vejar Martin Esteban | 0 | CHI | −11N | −29B | −38N | F | F | −33B | F | 0.0 | 12.5 | 12.5 | 0.00 | 977 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Chaparro Calzadilla, SebastianCHI+84.83.5 pts · #20
- 2Alvarado Munoz, SebastianCHI+65.45.5 pts · #2
- 3Ramirez Camilla, AgustinCHI+56.05.0 pts · #4
Top rating losers
- 1Arias Diaz, Miguel AngelCHI-44.04.5 pts · #8
- 2Myers Cumsille, Cash AmaruCMCHI-36.03.0 pts · #36
- 3Macia Velazquez, MarliesCUB-34.21.0 pts · #42
Biggest upsets
- R2+452 Elo gap
- R2+403 Elo gap
- R1+321 Elo gap