Abierto Sub-1800 de los Martes Noviembre Torre Blanca
16 players participated in this 7-round tournament, held from 04 Nov 2025 to 25 Nov 2025 in Caba, Argentina. 2 federations represented. Top 10 Elo average was 1687, and top seed was Walter Sobel (🇦🇷 ARG, 1789).
Walter Sobel (🇦🇷 ARG, 1789) won with 6.0/7, ahead of Ruben Dario Tovar Gil (5.0) and Ignacio Guibourg (4.5). Sobel won solo starting round 5.
The biggest upset came in round 6: Ernesto Jorge Ujidos (1536) beat Jose Francisco Ferraro (1706), a +170-point gap.
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How it unfolded
Top 6 · 7 roundsWalter Sobel led from R5; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.
Walter Sobel takes the sole lead (4.5/5).
Walter Sobel beat Ruben Dario Tovar Gil (White).
Walter Sobel 4 wins (R3–R6)Ruben Dario Tovar Gil 3 wins (R5–R7)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Walter Sobel | * | 1 | 1 | ½ |
| 2Ruben Dario Tovar Gil | 0 | * | ½ | 1 |
| 3Ignacio Guibourg | 0 | ½ | * | — |
| 4Ernesto Jorge Ujidos | ½ | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Sobel, Walter | 1789 | ARG | +11N | =4B | +3N | +2B | +8N | +6B | =5N | 6.0 | 22.5 | 24.0 | 20.00 | 1952 | +24.0 |
| 2 | Tovar Gil, Ruben Dario | 1768 | VEN | =3N | =13B | +5N | −1N | +12B | +4B | +6N | 5.0 | 23.0 | 24.5 | 15.50 | 1777 | +3.2 |
| 3 | Guibourg, Ignacio | 1634 | ARG | =2B | +9N | −1B | +16N | −6B | +8N | +4N | 4.5 | 22.0 | 22.5 | 11.00 | 1786 | +58.8 |
| 4 | Paredes, Ezequiel | 1728 | ARG | +10B | =1N | +8B | +6N | =7B | −2N | −3B | 4.0 | 23.0 | 25.0 | 11.25 | 1725 | +0.8 |
| 5 | Ujidos, Ernesto Jorge | 1536 | ARG | =9B | =11N | −2B | =12B | +14N | +7N | =1B | 4.0 | 18.5 | 19.5 | 9.00 | 1711 | +65.2 |
| 6 | Garofalo, Ignacio | 1511 | ARG | F | +16B | +15N | −4B | +3N | −1N | −2B | 3.0 | 21.0 | 21.0 | 6.00 | 1701 | +29.2 |
| 7 | Ferraro, Jose Francisco | 1706 | ARG | F | −8N | +11B | F | =4N | −5B | +14N | 2.5 | 13.5 | 13.5 | 4.50 | 1633 | -9.6 |
| 8 | Cravera, Santiago | 1722 | ARG | +14N | +7B | −4N | F | −1B | −3B | −11N | 2.0 | 20.0 | 21.0 | 3.50 | 1548 | -27.8 |
| 9 | Millain, Daniel Horacio | 1635 | ARG | =5N | −3B | =12N | −14B | +11B | −10N | F | 2.0 | 14.5 | 14.5 | 4.25 | 1458 | -57.2 |
| 10 | De Stefano, Jorge | 1597 | ARG | −4N | +14B | −13N | F | F | +9B | F | 2.0 | 8.5 | 8.5 | 3.00 | 1631 | +3.6 |
| 11 | Rossetti Maciel, Andres Esteban | 1603 | ARG | −1B | =5B | −7N | F | −9N | F | +8B | 1.5 | 17.5 | 17.5 | 4.00 | 1529 | -20.4 |
| 12 | Armella, Facundo Ezequiel | 1550 | ARG | =16N | −15B | =9B | =5N | −2N | F | F | 1.5 | 12.5 | 12.5 | 3.25 | 1496 | -14.4 |
| 13 | Rufino, Ivan | 1585 | ARG | F | =2N | +10B | F | F | F | F | 1.5 | 10.0 | 10.0 | 4.50 | 1876 | +15.2 |
| 14 | Sosto, Hernan | 1578 | ARG | −8B | −10N | F | +9N | −5B | F | −7B | 1.0 | 14.0 | 14.0 | 2.00 | 1399 | -43.6 |
| 15 | Saptie, Federico | 1649 | ARG | F | +12N | −6B | F | F | F | F | 1.0 | 8.5 | 8.5 | 1.50 | 1530 | -6.6 |
| 16 | Gardella, Juan Andres | 1637 | ARG | =12B | −6N | F | −3B | F | F | F | 0.5 | 9.0 | 9.0 | 0.75 | 1292 | -25.8 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Ujidos, Ernesto JorgeARG+65.24.0 pts · #4
- 2Guibourg, IgnacioARG+58.84.5 pts · #3
- 3Garofalo, IgnacioARG+29.23.0 pts · #6
- 1Millain, Daniel HoracioARG-57.22.0 pts · #8
- 2Sosto, HernanARG-43.61.0 pts · #15
- 3Cravera, SantiagoARG-27.82.0 pts · #9
- R6+170 Elo gap
- R3+138 Elo gap
- R2+126 Elo gap