Torneo Casa del Ajedrez IRT Clasico Sub 2150
Open SwissStandard
43 players participated in this 6-round tournament, held from 25 Oct 2025 to 26 Oct 2025 in Lima, Peru. 7 titled players from 2 federations. Top 10 Elo average was 2040, and top seed was Diego Abarca (🇵🇪 PER, 2149).
Efrain Palacios (🇵🇪 PER, 2070) won with 5.0/6, ahead of Ricardo Enrique Altamirano Porras (5.0) and Diego Abarca (5.0). Palacios won on tie-break after catching the field in the final round.
The biggest upset came in round 2: Mariah Fernanda Jacome Cueva (1738) beat Brandon Daniel Janampa Javier (CM, 1994), a +256-point gap.
Location
🇵🇪Lima, Peru
Dates
25 Oct 2025 → 26 Oct 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Titled players · 7
FM×2
CM×4
WCM×1
Federations · 2 represented
🇵🇪Peru×40
🇨🇺Cuba×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsTight race until R6; 3 players tied at 5.0/6, decided on Buchholz.
Co-leaders
16
5
3
1
1
3
R6 · TIEBREAK CLUSTER
3 players finish on 5.0/6. Palacios takes the title on Buchholz Cut1 (19.5).
R4 · HEAD-TO-HEAD · WINNER VS 2ND
Diego Abarca lost to Ricardo Enrique Altamirano Porras (Black).
WIN STREAKS · 2 top finishers
Diego Abarca 3 wins (R1–R3)Ricardo Enrique Altamirano Porras 4 wins (R1–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Diego Abarca | * | 0 | — | — |
| 2Ricardo Enrique Altamirano Porras | 1 | * | — | ½ |
| 3Efrain Palacios | — | — | * | — |
| 4FMMateo Henry Palomino Quispe | — | ½ | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Palacios, Efrain | 2070 | PER | +8B | =5N | +12B | =7B | +32N | +13N | 5.0 | 19.5 | 21.0 | 16.75 | 2083 | +3.2 |
| 2 | Altamirano Porras, Ricardo Enrique | 1996 | PER | +36N | +21B | +18N | +3B | =7N | =4B | 5.0 | 19.0 | 20.0 | 15.75 | 2146 | +23.4 |
| 3 | Abarca, Diego | 2149 | PER | +13B | +15N | +24B | −2N | +20B | +7N | 5.0 | 18.0 | 20.0 | 15.00 | 2146 | +1.6 |
| 4 | Palomino Quispe, Mateo HenryFM | 2061 | PER | +22B | =12N | +14B | =20N | +9B | =2N | 4.5 | 18.5 | 21.0 | 15.50 | 2055 | +2.0 |
| 5 | Suarez Chavez, Alejandro | 1879 | PER | +37N | =1B | =11N | =6B | +21N | +20B | 4.5 | 18.0 | 18.5 | 12.00 | 2114 | +62.4 |
| 6 | Janampa Javier, Brandon DanielCM | 1994 | PER | +33B | −24N | +8B | =5N | +17N | +11B | 4.5 | 17.0 | 18.0 | 13.75 | 1995 | +6.0 |
| 7 | Montesinos Parisaca, Tupac RussellCM | 1931 | PER | +34B | +42N | +26B | =1N | =2B | −3B | 4.0 | 18.0 | 18.0 | 8.00 | 2031 | +40.8 |
| 8 | Flores Gilvonio, Facundo | 1681 | PER | −1N | +37B | −6N | +34B | +15N | +32B | 4.0 | 15.0 | 15.5 | 6.00 | 1933 | +60.8 |
| 9 | Salas Gonzales, David AdemarCM | 1909 | PER | F | +33N | +16B | +10B | −4N | +24N | 4.0 | 14.5 | 14.5 | 10.00 | 2004 | +26.8 |
| 10 | Angeles Castillo, Bastian Missael Valentin | 1862 | PER | +41B | −26N | +22B | −9N | +28B | +18N | 4.0 | 13.5 | 13.5 | 7.50 | 1836 | -5.2 |
| 11 | Garcia Benavides, Omar | 2040 | PER | +31B | =14N | =5B | +24N | =13B | −6N | 3.5 | 18.0 | 19.5 | 9.25 | 1851 | -24.2 |
| 12 | Angulo, Alberto | 1856 | PER | +23N | =4B | −1N | +25B | −30N | +21B | 3.5 | 16.5 | 18.5 | 9.25 | 1943 | +10.6 |
| 13 | Urbano Pilco, Joaquin Alejandro | 1716 | PER | −3N | +40B | +38N | +15B | =11N | −1B | 3.5 | 16.5 | 16.5 | 4.75 | 1937 | +37.6 |
| 14 | Villaverde Salas, Gonzalo Matias | 1812 | PER | +39N | =11B | −4N | F | +16B | +27N | 3.5 | 13.0 | 13.0 | 6.75 | 1906 | +20.0 |
| 15 | Torres Munoz, Bryam David | 1887 | PER | +19B | −3B | +34N | −13N | −8B | +22N | 3.0 | 18.0 | 19.0 | 6.50 | 1698 | -51.6 |
| 16 | Burgos Lujan, Mohamed Pompeyo | 1654 | PER | −26B | +41N | −9N | +19B | −14N | +39B | 3.0 | 12.5 | 12.5 | 3.00 | 1596 | -8.8 |
| 17 | Quispe Sanchez, Cristobal Edu | 1876 | PER | F | +27N | −20B | +31N | −6B | +35N | 3.0 | 11.5 | 11.5 | 4.50 | 1768 | -18.4 |
| 18 | Leyva Ovalle, Luis Enrique | 1733 | PER | +38B | +43N | −2B | F | +33N | −10B | 3.0 | 10.0 | 10.0 | 1.00 | 1844 | +21.6 |
| 19 | Briceno Portilla, Paul Anderzon | 1421 | PER | −15N | −25B | +39N | −16N | +38B | +33B | 3.0 | 9.0 | 9.0 | 1.00 | 1474 | +3.4 |
| 20 | Gonzalez Mesa, DanielFM | 1939 | CUB | F | +29B | +17N | =4B | −3N | −5N | 2.5 | 19.0 | 19.0 | 7.25 | 1901 | -3.0 |
| 21 | Martinez, Miguel Angel | 1780 | PER | +28B | −2N | =31B | +27N | −5B | −12N | 2.5 | 17.0 | 18.5 | 4.75 | 1625 | -20.2 |
| 22 | Fernandez Armas, Gabriel | 1642 | PER | −4N | +23B | −10N | =35B | +29N | −15B | 2.5 | 16.0 | 17.0 | 5.00 | 1638 | -6.0 |
| 23 | Miranda Munoz, Misael Jared | 0 | PER | −12B | −22N | −33B | =37B | +40N | +38N | 2.5 | 7.5 | 7.5 | 0.25 | 880 | 0.0 |
| 24 | Jacome Cueva, Mariah Fernanda | 1738 | PER | F | +6B | −3N | −11B | +25N | −9B | 2.0 | 19.0 | 19.0 | 6.50 | 1883 | +29.2 |
| 25 | Paiva Benites, Felix Raul | 1691 | PER | −30B | +19N | +35B | −12N | −24B | F | 2.0 | 12.5 | 13.5 | 4.00 | 1584 | -12.4 |
| 26 | Retamozo, Kevin | 2062 | PER | +16N | +10B | −7N | F | F | F | 2.0 | 12.5 | 12.5 | 7.00 | 1940 | -7.4 |
| 27 | Gonzales Ramirez, Alvaro Enrique | 1527 | PER | F | −17B | +40N | −21B | +34N | −14B | 2.0 | 10.0 | 10.0 | 1.00 | 1557 | +2.0 |
| 28 | FIDE 81477759 | 0 | — | −21N | −36B | +37N | +40B | −10N | F | 2.0 | 10.0 | 10.0 | 0.50 | 941 | 0.0 |
| 29 | Dergan Lobos, Ian Neyef | 1545 | PER | F | −20N | +36B | F | −22B | +31N | 2.0 | 9.5 | 9.5 | 2.50 | 1692 | +29.6 |
| 30 | Suasnabar, JesusCM | 2113 | PER | +25N | F | F | F | +12B | F | 2.0 | 7.5 | 7.5 | 5.50 | 2585 | +5.2 |
| 31 | Martinez Sedamanos Enrique | 1612 | PER | −11N | +39B | =21N | −17B | F | −29B | 1.5 | 12.0 | 12.0 | 1.25 | 1479 | -13.0 |
| 32 | Gomez Gonzales, FabianaWCM | 1819 | PER | F | =35N | +42B | F | −1B | −8N | 1.5 | 12.0 | 12.0 | 0.50 | 1667 | -25.2 |
| 33 | Sardon Aragon Alejandro Ulysses | 1541 | PER | −6N | −9B | +23N | F | −18B | −19N | 1.0 | 17.0 | 17.0 | 2.50 | 951 | -38.5 |
| 34 | Flores Gilvonio, Gina Sofia | 1528 | PER | −7N | F | −15B | −8N | −27B | +40N | 1.0 | 13.0 | 13.0 | 0.00 | 954 | -40.4 |
| 35 | Quispe Sanchez, Christopher Adrian | 0 | PER | F | =32B | −25N | =22N | F | −17B | 1.0 | 10.5 | 10.5 | 2.00 | 1564 | 0.0 |
| 36 | Blengeri Gutierrez, Giorgio Daniel | 1587 | PER | −2B | +28N | −29N | F | F | F | 1.0 | 9.0 | 9.0 | 2.00 | 957 | -25.6 |
| 37 | Castro Aguirre, Maximiliano Thiago | 0 | PER | −5B | −8N | −28B | =23N | F | F | 0.5 | 13.0 | 13.0 | 1.25 | 981 | 0.0 |
| 38 | FIDE 81468857 | 0 | — | −18N | F | −13B | F | −19N | −23B | 0.0 | 13.0 | 13.0 | 0.00 | 818 | 0.0 |
| 39 | Pomalaya Garcia, Liam Alejandro | 0 | PER | −14B | −31N | −19B | F | F | −16N | 0.0 | 11.5 | 11.5 | 0.00 | 815 | 0.0 |
| 40 | Salazar Valles, Lionel Alexander | 0 | PER | F | −13N | −27B | −28N | −23B | −34B | 0.0 | 11.0 | 11.0 | 0.00 | 786 | 0.0 |
| 41 | Felix Masgo, Maya Mariel | 0 | PER | −10N | −16B | F | F | F | F | 0.0 | 7.0 | 7.0 | 0.00 | 938 | 0.0 |
| 42 | Ramirez Nolasco, Nicolas Estefano | 1625 | PER | F | −7B | −32N | F | F | F | 0.0 | 5.5 | 5.5 | 0.00 | 1071 | -16.0 |
| 43 | Anazgo Cavero, Leonid Yacon | 1974 | PER | F | −18B | F | F | F | F | 0.0 | 3.0 | 3.0 | 0.00 | 933 | -16.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Suarez Chavez, AlejandroPER+62.44.5 pts · #9
- 2Flores Gilvonio, FacundoPER+60.84.0 pts · #11
- 3Montesinos Parisaca, Tupac RussellCMPER+40.84.0 pts · #7
Top rating losers
- 1Torres Munoz, Bryam DavidPER-51.63.0 pts · #10
- 2Flores Gilvonio, Gina SofiaPER-40.41.0 pts · #37
- 3Sardon Aragon Alejandro UlyssesPER-38.51.0 pts · #40
Biggest upsets
- R2+256 Elo gap
- R2+241 Elo gap
- R5+206 Elo gap