IRT Sub 1900 Clasico Preparando el Suramericano 2025
Open SwissStandard
51 players participated in this 6-round tournament, held from 07 Nov 2025 to 10 Nov 2025 in Bucaramanga - SAN, Colombia. Top 10 Elo average was 1814, and top seed was Greidy Jhoner Sanchez Ortiz (🇨🇴 COL, 1894).
Benjamin Marquez (🇨🇴 COL, 1886) won with 5.5/6, ahead of Angel David Berdugo Santoya (5.0) and Santiago Sanabria Calderon (5.0). Marquez won solo starting round 5.
The biggest upset came in round 4: Silvia Nathalia Hernandez Sandoval (1581) beat Greidy Jhoner Sanchez Ortiz (1894), a +313-point gap.
Location
🇨🇴Bucaramanga - SAN, Colombia
Dates
07 Nov 2025 → 10 Nov 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Federations · 1 represented
🇨🇴Colombia×42
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsBenjamin Marquez 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
21
9
4
2
1
1
R5–R6 · LEAD HELD
Benjamin Marquez held the sole lead from R5 through R6 without losing it.
R5 · HEAD-TO-HEAD · WINNER VS 2ND
Benjamin Marquez beat Nicolas Ortega Rueda (Black).
WIN STREAKS · 3 top finishers
Benjamin Marquez 5 wins (R1–R5)Nicolas Ortega Rueda 4 wins (R1–R4)Santiago Sanabria Calderon 3 wins (R4–R6)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Benjamin Marquez | * | 1 | — | — |
| 2Nicolas Ortega Rueda | 0 | * | — | 1 |
| 3Santiago Sanabria Calderon | — | — | * | 0 |
| 4Angel David Berdugo Santoya | — | 0 | 1 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Marquez, Benjamin | 1886 | COL | +20N | +7B | +14N | +19B | +4N | =5B | 5.5 | 19.5 | 22.5 | 20.25 | 2071 | +17.0 |
| 2 | Berdugo Santoya, Angel David | 1638 | COL | +42N | +35B | +3N | −4N | +6B | +28B | 5.0 | 18.5 | 20.0 | 15.00 | 1963 | +66.8 |
| 3 | Sanabria Calderon, Santiago | 1866 | COL | +22B | +11N | −2B | +15N | +14B | +9N | 5.0 | 18.0 | 21.0 | 16.00 | 1913 | +12.0 |
| 4 | Ortega Rueda, Nicolas | 1777 | COL | +37N | +17B | +31N | +2B | −1B | +39N | 5.0 | 17.5 | 19.5 | 14.00 | 1882 | +25.6 |
| 5 | Rojas Montaguth, Juan Angel | 1598 | COL | +44B | +6N | F | +16B | +10N | =1N | 4.5 | 17.0 | 17.0 | 14.25 | 2104 | +93.6 |
| 6 | Rico Hernandez, Edgar | 1851 | COL | +21N | −5B | +20N | +31B | −2N | +10B | 4.0 | 19.0 | 21.0 | 11.50 | 1597 | -24.4 |
| 7 | Camacho Casalinas, Said Gabriel | 1625 | COL | +38B | −1N | +45B | +23N | −9B | +15N | 4.0 | 17.0 | 18.0 | 9.00 | 1700 | +14.8 |
| 8 | Alvarado Santos, Juan Carlos | 0 | COL | −17N | +37B | −43N | +50B | +31N | +33B | 4.0 | 10.0 | 10.0 | 6.00 | 1571 | 0.0 |
| 9 | Cardenas Angarita, Juan Pablo | 1815 | COL | +34B | F | =28N | +21B | +7N | −3B | 3.5 | 16.5 | 16.5 | 10.25 | 1691 | -9.4 |
| 10 | Carreno Poveda, Esteban David | 1678 | COL | +45B | =40N | +32B | +33N | −5B | −6N | 3.5 | 14.5 | 15.5 | 6.00 | 1646 | -6.8 |
| 11 | Maldonado, Marcos Felipe | 1547 | COL | +46N | −3B | =29N | +42B | −16N | +34B | 3.5 | 14.0 | 15.0 | 5.75 | 962 | -19.2 |
| 12 | Santos Caballero, Edna Liliana | 1701 | COL | +48N | −31B | −21N | +38B | +22N | =30B | 3.5 | 12.5 | 13.5 | 7.25 | 672 | -15.8 |
| 13 | Rios Dussan, Andres Ramiro | 1446 | COL | −18N | =42B | +50N | −39B | +48N | +31B | 3.5 | 9.5 | 9.5 | 3.75 | 1639 | +36.0 |
| 14 | Correa Quintero, Juan Sebastian | 1755 | COL | +30B | +23N | −1B | +43N | −3N | −24B | 3.0 | 19.0 | 20.0 | 6.50 | 1695 | -10.8 |
| 15 | Centeno Oviedo, Leonhard Andrey | 1607 | COL | +29N | −18B | +47N | −3B | +40N | −7B | 3.0 | 16.5 | 17.5 | 5.50 | 995 | -32.8 |
| 16 | Torres Martinez, Francisco Jose | 1657 | COL | F | +24N | +40B | −5N | +11B | −26B | 3.0 | 16.0 | 16.0 | 8.50 | 1532 | -20.4 |
| 17 | Angarita Santos, Luis Carlos | 1551 | COL | +8B | −4N | F | +34B | −26N | +32B | 3.0 | 16.0 | 16.0 | 8.00 | 1580 | +1.2 |
| 18 | Sanchez Ortiz, Greidy Jhoner | 1894 | COL | +13B | +15N | −19B | −28N | +32B | −27N | 3.0 | 15.0 | 17.0 | 8.50 | 1595 | -82.0 |
| 19 | Silva Barajas, Jose Alejandro | 1764 | COL | +25N | +43B | +18N | −1N | F | F | 3.0 | 15.0 | 15.0 | 7.00 | 1896 | +22.4 |
| 20 | Burgos Dominguez, Gerardo Alonso | 0 | COL | −1B | +44N | −6B | +36N | −?B | +38N | 3.0 | 14.5 | 14.5 | 5.00 | 1035 | 0.0 |
| 21 | Nino, Bladymir | 0 | COL | −6B | +?N | +12B | −9N | −27B | +50N | 3.0 | 14.0 | 14.0 | 3.50 | 1638 | 0.0 |
| 22 | FIDE 144448864 | 0 | — | −3N | −29B | +?N | +47B | −12B | +36N | 3.0 | 14.0 | 14.0 | 3.00 | 983 | 0.0 |
| 23 | Mendez Zuluaga, Jeronimo | 1493 | COL | +51N | −14B | +35N | −7B | −24N | +47B | 3.0 | 13.0 | 13.0 | 3.00 | 890 | -20.0 |
| 24 | Serrano Murillo, Maria Tatiana | 0 | COL | −31N | −16B | F | +45N | +23B | +14N | 3.0 | 12.0 | 12.0 | 7.00 | 1595 | 0.0 |
| 25 | Guarin Rondon, Andres Santiago | 0 | COL | −19B | +36N | +27B | −26N | +43B | −?N | 3.0 | 12.0 | 12.0 | 6.00 | 1629 | 0.0 |
| 26 | Moreno Hernandez, Andres Mauricio | 1827 | COL | F | F | −33N | +25B | +17B | +16N | 3.0 | 11.0 | 11.0 | 9.00 | 1736 | -12.4 |
| 27 | Lizcano Bautista, Brayan Yesid | 1614 | COL | F | F | −25N | +44B | +21N | +18B | 3.0 | 10.0 | 10.0 | 7.00 | 2694 | +33.6 |
| 28 | Hernandez Sandoval, Silvia Nathalia | 1581 | COL | F | +41N | =9B | +18B | F | −2N | 2.5 | 16.5 | 16.5 | 6.75 | 1783 | +14.6 |
| 29 | Diaz Jimenez, Ian Josue | 0 | COL | −15B | +22N | =11B | −32N | F | +42N | 2.5 | 13.0 | 13.0 | 6.25 | 1281 | 0.0 |
| 30 | Manrique Mejia, Jozy Zahid | 0 | COL | −14N | +46B | −?N | +35B | F | =12N | 2.5 | 9.5 | 9.5 | 4.75 | 1468 | 0.0 |
| 31 | Ortiz Contreras, Samuel | 1472 | COL | +24B | +12N | −4B | −6N | −8B | −13N | 2.0 | 20.0 | 23.0 | 6.50 | 1502 | +1.2 |
| 32 | Carreno Poveda, Noah David | 1509 | COL | +36B | F | −10N | +29B | −18N | −17N | 2.0 | 14.0 | 14.0 | 4.50 | 908 | -32.4 |
| 33 | Gonzalez Suarez, Nelson | 1626 | COL | F | +49N | +26B | −10B | −39N | −8N | 2.0 | 13.5 | 13.5 | 4.00 | 1598 | -2.4 |
| 34 | Rincon Vanegas, Yenny Katherine | 0 | COL | −9N | F | +41B | −17N | +42B | −11N | 2.0 | 13.5 | 13.5 | 3.50 | 838 | 0.0 |
| 35 | Ramirez Rodriguez, Hector Fabian | 0 | COL | +?B | −2N | −23B | −30N | −41B | +45N | 2.0 | 13.5 | 13.5 | 1.00 | 766 | 0.0 |
| 36 | FIDE 144472986 | 0 | — | −32N | −25B | +37N | −20B | +44N | −22B | 2.0 | 13.0 | 14.0 | 3.00 | 708 | 0.0 |
| 37 | Aranguren Romero, Victoria Alejandra | 0 | COL | −4B | −8N | −36B | +41N | −?B | +51N | 2.0 | 13.0 | 13.0 | 2.00 | 981 | 0.0 |
| 38 | FIDE 144459874 | 0 | — | −7N | −?B | +46N | −12N | +51B | −20B | 2.0 | 11.5 | 11.5 | 1.00 | 897 | 0.0 |
| 39 | Galvis Gomez, Jaime | 1664 | COL | F | F | F | +13N | +33B | −4B | 2.0 | 10.5 | 10.5 | 5.50 | 1743 | +13.2 |
| 40 | Castellanos Arias, Steven Jair | 0 | COL | +?N | =10B | −16N | =?B | −15B | F | 2.0 | 10.5 | 10.5 | 1.75 | 1574 | 0.0 |
| 41 | Capacho Nunez, Fabio Daniel | 0 | COL | F | −28B | −34N | −37B | +35N | +48B | 2.0 | 9.5 | 9.5 | 3.00 | 781 | 0.0 |
| 42 | Ortiz Rueda, Saul Alejandro | 0 | COL | −2B | =13N | +49B | −11N | −34N | −29B | 1.5 | 16.5 | 17.5 | 2.75 | 1271 | 0.0 |
| 43 | Rueda Hernandez, Gibran Camilo | 1533 | COL | F | −19N | +8B | −14B | −25N | F | 1.0 | 15.0 | 15.0 | 4.00 | 960 | -17.2 |
| 44 | FIDE 144433174 | 0 | — | −5N | −20B | +51N | −27N | −36B | −46B | 1.0 | 13.5 | 13.5 | 0.00 | 806 | 0.0 |
| 45 | FIDE 144468008 | 0 | — | −10N | +51B | −7N | −24B | −47N | −35B | 1.0 | 13.5 | 13.5 | 0.00 | 851 | 0.0 |
| 46 | FIDE 144472960 | 0 | — | −11B | −30N | −38B | −?B | −49N | +44N | 1.0 | 10.0 | 10.0 | 1.00 | 747 | 0.0 |
| 47 | FIDE 144472951 | 0 | — | F | F | −15B | −22N | +45B | −23N | 1.0 | 10.0 | 10.0 | 1.00 | 750 | 0.0 |
| 48 | Morales Burgos, Caleb Santiago | 0 | COL | −12B | F | −?N | +49N | −13B | −41N | 1.0 | 10.0 | 10.0 | 1.00 | 755 | 0.0 |
| 49 | FIDE 144448414 | 0 | — | F | −33B | −42N | −48B | +46B | −?N | 1.0 | 5.5 | 5.5 | 1.00 | 826 | 0.0 |
| 50 | Osma Abaunza, Maria Antonia | 1571 | COL | F | F | −13B | −8N | F | −21B | 0.0 | 13.0 | 13.0 | 0.00 | 647 | -26.8 |
| 51 | FIDE 144472994 | 0 | — | −23B | −45N | −44B | F | −38N | −37B | 0.0 | 9.0 | 9.0 | 0.00 | 693 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Rojas Montaguth, Juan AngelCOL+93.64.5 pts · #4
- 2Berdugo Santoya, Angel DavidCOL+66.85.0 pts · #6
- 3Rios Dussan, Andres RamiroCOL+36.03.5 pts · #18
Top rating losers
- 1Sanchez Ortiz, Greidy JhonerCOL-82.03.0 pts · #5
- 2Centeno Oviedo, Leonhard AndreyCOL-32.83.0 pts · #40
- 3Carreno Poveda, Noah DavidCOL-32.42.0 pts · #42
Biggest upsets
- R4+313 Elo gap
- R6+280 Elo gap
- R2+253 Elo gap