IRT sub 2400 Copa Aniversario Obera 2025
28 players participated in this 6-round tournament, held from 12 Jul 2025 to 13 Jul 2025 in Obera, Misiones, Argentina. 1 titled players. Top 10 Elo average was 1920, and top seed was Pablo Sebastian Molina (🇦🇷 ARG, FM, 2206).
Pablo Sebastian Molina (🇦🇷 ARG, FM, 2206) won with 5.5/6, ahead of Santiago Nicolas Coronel (4.5) and Mateo Genaro Prado (4.5). Molina won solo starting round 3.
The biggest upset came in round 4: Sasha Valentin Rozental (1695) beat Angel Damian Yossen (1966), a +271-point gap.
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How it unfolded
Top 6 · 6 roundsFM Pablo Sebastian Molina led from R3; +1.0-point edge over the runner-up.
FM Pablo Sebastian Molina never relinquished the lead after R3; final gap +1.0 over the runner-up.
FM Pablo Sebastian Molina won 5 in a row (R1–R5).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1FMPablo Sebastian Molina | * | — | — | ½ |
| 2Stefan Botz | — | * | ½ | — |
| 3Santiago Nicolas Coronel | — | ½ | * | ½ |
| 4Mateo Genaro Prado | ½ | — | ½ | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Molina, Pablo SebastianFM | 2206 | ARG | +20B | +11N | +17B | +26N | +7B | =3N | 5.5 | 16.5 | 17.5 | 15.25 | 2215 | +1.0 |
| 2 | Coronel, Santiago Nicolas | 1857 | ARG | +19B | +9N | =3B | =4N | +8B | =6N | 4.5 | 20.0 | 22.0 | 15.50 | 2017 | +25.0 |
| 3 | Prado, Mateo Genaro | 1897 | ARG | +21B | =13N | =2N | +14B | +5N | =1B | 4.5 | 20.0 | 22.0 | 15.50 | 2022 | +36.8 |
| 4 | Botz, Stefan | 1895 | ARG | −17N | +28B | +9N | =2B | +16N | +13B | 4.5 | 16.5 | 16.5 | 11.75 | 1930 | +5.4 |
| 5 | Marchak, Miguel Fernando | 1709 | ARG | =6B | +16N | =8B | +15N | −3B | +22N | 4.0 | 18.0 | 19.5 | 11.25 | 1965 | +80.4 |
| 6 | Rodriguez, Christian Ruben | 1913 | ARG | =5N | −17B | +18N | +22B | +13N | =2B | 4.0 | 16.5 | 18.0 | 11.25 | 1867 | -5.4 |
| 7 | Aznar, Dario | 1930 | ARG | −9B | +19N | +20B | +25N | −1N | +14B | 4.0 | 16.0 | 17.0 | 8.00 | 1890 | -3.4 |
| 8 | Carlino, Esteban | 1870 | ARG | +28N | =14B | =5N | +10B | −2N | =11B | 3.5 | 18.5 | 18.5 | 8.75 | 1794 | -11.0 |
| 9 | Owczarczyn, Cristian Lucas | 1716 | ARG | +7N | −2B | −4B | +20N | =15B | +26N | 3.5 | 18.0 | 19.0 | 8.50 | 1842 | +16.6 |
| 10 | Pereira Da Rosa, Pricila | 1652 | ARG | =15B | +23N | =13B | −8N | =17B | +19N | 3.5 | 14.0 | 15.5 | 7.75 | 1813 | +26.4 |
| 11 | Encizo, Tomas | 1773 | ARG | +27B | −1B | −25N | +23N | +19B | =8N | 3.5 | 13.5 | 14.5 | 6.25 | 1823 | +7.2 |
| 12 | Yossen, Angel Damian | 1966 | ARG | −14N | =21B | +24B | −16N | +25B | +17N | 3.5 | 12.0 | 13.0 | 6.00 | 1722 | -31.8 |
| 13 | Nobile, Enzo Benjamin | 1756 | ARG | +25B | =3B | =10N | +17N | −6B | −4N | 3.0 | 19.0 | 20.0 | 7.50 | 1762 | +2.4 |
| 14 | Racagni, Santino Nicolas | 1735 | ARG | +12B | =8N | =15B | −3N | +26B | −7N | 3.0 | 18.5 | 19.5 | 7.75 | 1816 | +19.6 |
| 15 | Santa Cruz, Nestor | 1778 | ARG | =10N | +18B | =14N | −5B | =9N | =16B | 3.0 | 17.0 | 19.5 | 9.00 | 1674 | -16.4 |
| 16 | Rozental, Sasha Valentin | 1695 | ARG | =22N | −5B | +28N | +12B | −4B | =15N | 3.0 | 16.5 | 16.5 | 5.75 | 1821 | +19.2 |
| 17 | Pintos Merlo, Ignacio | 1699 | ARG | +4B | +6N | −1N | −13B | =10N | −12B | 2.5 | 21.0 | 24.0 | 10.25 | 1824 | +15.2 |
| 18 | Borges Nogueira, Adhemar Alfredo | 1536 | ARG | =23B | −15N | −6B | −21N | +27B | +28N | 2.5 | 11.5 | 11.5 | 1.75 | 1689 | +42.0 |
| 19 | Maxit, Alfredo Javier | 1654 | ARG | −2N | −7B | +27N | +24B | −11N | −10B | 2.0 | 17.0 | 18.0 | 2.50 | 1611 | -8.0 |
| 20 | Molina, Vicente | 1751 | ARG | −1N | +27B | −7N | −9B | +21B | F | 2.0 | 16.0 | 17.0 | 3.00 | 1752 | -2.8 |
| 21 | Bohachenko, Yonathan Emanuel | 1706 | ARG | −3N | =12N | −23B | +18B | −20N | =24B | 2.0 | 14.0 | 15.5 | 5.00 | 1625 | -27.2 |
| 22 | Sosa, Arnaldo Javier | 1886 | ARG | =16B | +24N | −26B | −6N | F | −5B | 1.5 | 14.0 | 15.0 | 3.00 | 1638 | -26.0 |
| 23 | Ferendiuk, Hugo | 1770 | ARG | =18N | −10B | +21N | −11B | F | F | 1.5 | 13.0 | 14.0 | 3.25 | 1580 | -41.6 |
| 24 | Alvarez, Nestor Carlos | 1581 | ARG | F | −22B | −12N | −19N | +28B | =21N | 1.5 | 9.0 | 9.0 | 1.00 | 1632 | +7.6 |
| 25 | De Sousa, Thiago Benjamin | 1510 | ARG | −13N | F | +11B | −7B | −12N | F | 1.0 | 16.0 | 16.0 | 3.50 | 1645 | +18.8 |
| 26 | Dalmau, Gabriel | 0 | ARG | F | F | +22N | −1B | −14N | −9B | 1.0 | 13.5 | 13.5 | 1.50 | 1693 | 0.0 |
| 27 | Silva, Juan Carlos | 1617 | ARG | −11N | −20N | −19B | +28B | −18N | F | 1.0 | 11.5 | 11.5 | 0.00 | 1441 | -21.4 |
| 28 | Torres, Dionisio | 1692 | ARG | −8B | −4N | −16B | −27N | −24N | −18B | 0.0 | 15.0 | 16.0 | 0.00 | 899 | -59.2 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Marchak, Miguel FernandoARG+80.44.0 pts · #7
- 2Borges Nogueira, Adhemar AlfredoARG+42.02.5 pts · #17
- 3Prado, Mateo GenaroARG+36.84.5 pts · #3
- 1Torres, DionisioARG-59.20.0 pts · #28
- 2Ferendiuk, HugoARG-41.61.5 pts · #24
- 3Yossen, Angel DamianARG-31.83.5 pts · #10
- R4+271 Elo gap
- R3+263 Elo gap
- R1+231 Elo gap