MES DE LA REVOLUCION DE MAYO
15 players participated in this 6-round tournament, held from 22 May 2026 to 24 May 2026 in Cordoba - Cordoba, Argentina. Top 10 Elo average was 1711, and top seed was Esteban Sponton (🇦🇷 ARG, 2024).
Lucas Vallejos (🇦🇷 ARG, 1941) won with 5.0/6, ahead of Esteban Sponton (3.5) and Carlos Tornquist (3.5). Vallejos won solo starting round 5.
The biggest upset came in round 6: Carlos Tornquist (1901) beat Esteban Sponton (2024), a +123-point gap.
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How it unfolded
Top 6 · 6 roundsLucas Vallejos led from R3; +1.5-point edge over the runner-up.
Lucas Vallejos never relinquished the lead after R3; final gap +1.5 over the runner-up.
Lucas Vallejos lost to Esteban Sponton (Black).
Lucas Vallejos 3 wins (R1–R3)Esteban Sponton 3 wins (R1–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Lucas Vallejos | * | 0 | 1 | 1 |
| 2Esteban Sponton | 1 | * | — | 1 |
| 3Santino Leon Franco | 0 | — | * | — |
| 4Juan Carlos Lucero Abdala | 0 | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Vallejos, Lucas | 1941 | ARG | +8B | +3N | +9B | −2N | +6B | +4N | 5.0 | 17.0 | 20.0 | 16.50 | 2047 | +13.4 |
| 2 | Sponton, Esteban | 2024 | ARG | +10N | +4B | F | +1B | =12N | −3B | 3.5 | 16.5 | 16.5 | 12.25 | 1905 | -10.0 |
| 3 | Tornquist, Carlos | 1901 | ARG | +11N | −1B | F | =7N | +8B | +2N | 3.5 | 16.0 | 16.0 | 9.50 | 1983 | +4.6 |
| 4 | Lucero Abdala, Juan Carlos | 1690 | ARG | +15B | −2N | =7B | +9N | +13B | −1B | 3.5 | 15.5 | 15.5 | 5.50 | 1820 | +12.2 |
| 5 | Argento, Ramon Francisco | 1575 | ARG | +7B | −9N | +8B | −6N | =11B | +13N | 3.5 | 14.0 | 15.0 | 7.75 | 1527 | -3.8 |
| 6 | Franco, Santino Leon | 1644 | ARG | =14N | +12B | F | +5B | −1N | +10B | 3.5 | 13.5 | 13.5 | 8.25 | 1828 | +36.0 |
| 7 | Herrero, Alvaro | 0 | ARG | −5N | +11B | =4N | =3B | −10N | +15B | 3.0 | 15.0 | 15.0 | 5.00 | 1476 | 0.0 |
| 8 | Bermudez, Francisco | 0 | ARG | −1N | +14B | −5N | +15B | −3N | +11N | 3.0 | 14.0 | 14.0 | 2.00 | 1006 | 0.0 |
| 9 | Maiehes, Facundo Tomas | 1775 | ARG | F | +5B | −1N | −4B | +15N | +12B | 3.0 | 13.5 | 13.5 | 5.00 | 1681 | -19.2 |
| 10 | Ruffa, Arturo | 1508 | ARG | −2B | +15N | +13B | −12N | +7B | −6N | 3.0 | 12.5 | 12.5 | 4.00 | 1459 | -14.0 |
| 11 | Esquivel, Agustin | 0 | ARG | −3B | −7N | +15B | −13N | =5N | −8B | 1.5 | 14.0 | 14.0 | 1.75 | 1398 | 0.0 |
| 12 | Casado, Maximo | 1516 | ARG | F | −6N | F | +10B | =2B | −9N | 1.5 | 13.5 | 13.5 | 4.75 | 1624 | +16.0 |
| 13 | Saura, Leandro Francisco | 1538 | ARG | F | F | −10N | +11B | −4N | −5B | 1.0 | 11.5 | 11.5 | 1.50 | 791 | -51.6 |
| 14 | Gibson, Lorenzo | 0 | ARG | =6B | −8N | F | F | F | F | 0.5 | 8.0 | 8.0 | 1.75 | 1644 | 0.0 |
| 15 | FIDE 166910 | 0 | — | −4N | −10B | −11N | −8N | −9B | −7N | 0.0 | 15.5 | 17.0 | 0.00 | 858 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Franco, Santino LeonARG+36.03.5 pts · #3
- 2Casado, MaximoARG+16.01.5 pts · #6
- 3Vallejos, LucasARG+13.45.0 pts · #1
- 1Saura, Leandro FranciscoARG-51.61.0 pts · #14
- 2Maiehes, Facundo TomasARG-19.23.0 pts · #5
- 3Ruffa, ArturoARG-14.03.0 pts · #9
- R6+123 Elo gap