4to Alekhine 2025
30 players participated in this 5-round tournament, held from 05 Sept 2025 to 07 Sept 2025 in Piriapolis, Uruguay. 1 titled players from 2 federations. Top 10 Elo average was 1958, and top seed was Juan Manuel Sosa Macho (🇺🇾 URU, 2030).
Nicolas Jasper (🇦🇷 ARG, 1895) won with 4.0/5, ahead of Aurelio Durante (3.5) and Sebastian Izquierdo (3.5). Jasper won solo starting round 3.
The biggest upset came in round 3: Gerardo Pereira (1484) beat Dionisio De Cuadro (1745), a +261-point gap.
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How it unfolded
Top 6 · 5 roundsNicolas Jasper led from R3; +0.5-point edge over the runner-up.
Nicolas Jasper held the sole lead from R3 through R5 without losing it.
Nicolas Jasper drew with Aurelio Durante (White).
Nicolas Jasper went unbeaten across 5 games (R1–R5).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Nicolas Jasper | * | ½ | ½ | — |
| 2Aurelio Durante | ½ | * | — | 1 |
| 3Sebastian Izquierdo | ½ | — | * | — |
| 4Gerardo Pereira | — | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Jasper, Nicolas | 1895 | ARG | +25B | +27N | =3B | +11N | =2B | 4.0 | 10.5 | 11.5 | 8.00 | 2144 | +32.4 |
| 2 | Durante, Aurelio | 1980 | URU | +16N | +15B | −11N | +5B | =1N | 3.5 | 11.5 | 13.5 | 9.00 | 1901 | -6.0 |
| 3 | Izquierdo, Sebastian | 1942 | URU | +24B | F | =1N | +4B | +12N | 3.5 | 10.5 | 11.5 | 8.50 | 2181 | +20.6 |
| 4 | Benitez, Andres | 2015 | URU | F | +10N | +17B | −3N | +13B | 3.0 | 10.5 | 10.5 | 7.00 | 2029 | +2.0 |
| 5 | Pereira, Gerardo | 1484 | URU | −10B | +24N | +18B | −2N | +16B | 3.0 | 10.0 | 11.0 | 5.00 | 1798 | +39.0 |
| 6 | Villalba, Pacha | 1562 | URU | =14N | −19B | +21B | +17N | =11B | 3.0 | 9.0 | 10.5 | 6.00 | 1853 | +72.0 |
| 7 | Escofet, Jaime | 1982 | URU | =21B | +18N | F | =12B | +10N | 3.0 | 8.5 | 8.5 | 6.50 | 1935 | -3.6 |
| 8 | Moreno, Diego | 1967 | URU | F | +20B | −12N | +15B | +26N | 3.0 | 7.5 | 7.5 | 5.00 | 1915 | -3.8 |
| 9 | Dovat, Nicolas | 1625 | URU | −28B | +29N | −19N | +30B | +15N | 3.0 | 5.0 | 5.0 | 2.00 | 1718 | +8.8 |
| 10 | Pimentel, Abraham | 1725 | URU | +5N | −4B | +22N | =14B | −7B | 2.5 | 11.5 | 13.0 | 5.75 | 1790 | +15.2 |
| 11 | Varela, Mateo | 1969 | URU | F | +26N | +2B | −1B | =6N | 2.5 | 11.5 | 11.5 | 6.00 | 1884 | -12.8 |
| 12 | Avedisian, Alexander | 1842 | URU | F | +21N | +8B | =7N | −3B | 2.5 | 11.0 | 11.0 | 6.00 | 1981 | +15.2 |
| 13 | Fuentes, Fabian | 1862 | URU | =23N | =22B | =14N | +20B | −4N | 2.5 | 9.0 | 10.5 | 4.75 | 1747 | -29.2 |
| 14 | Larrea, DanielaWCM | 1807 | URU | =6B | +30N | =13B | =10N | F | 2.5 | 8.0 | 8.0 | 4.00 | 1782 | -2.0 |
| 15 | Comtesse, Eduardo Jose | 1670 | ARG | +29B | −2N | +16B | −8N | −9B | 2.0 | 11.5 | 11.5 | 2.00 | 1612 | -7.6 |
| 16 | Delbono, Ruben | 1647 | URU | −2B | +25N | −15N | +29B | −5N | 2.0 | 9.5 | 9.5 | 1.00 | 1490 | -17.6 |
| 17 | Suarez, Juan | 1814 | URU | F | +23B | −4N | −6B | +22N | 2.0 | 9.0 | 9.0 | 3.00 | 1707 | -10.8 |
| 18 | De Cuadro, Dionisio | 1745 | URU | F | −7B | −5N | +23B | +29N | 2.0 | 7.5 | 7.5 | 1.50 | 1560 | -14.6 |
| 19 | Dutra, Carmelo | 1666 | URU | −27B | +6N | +9B | F | F | 2.0 | 7.0 | 7.0 | 6.00 | 1864 | +28.0 |
| 20 | Contardi, Mateo | 1662 | URU | F | −8N | +30B | −13N | +21B | 2.0 | 7.0 | 7.0 | 1.50 | 1770 | +20.8 |
| 21 | Ruiz, Ulises | 1654 | URU | =7N | −12B | −6N | +25B | −20N | 1.5 | 10.5 | 11.5 | 2.50 | 1580 | -11.8 |
| 22 | Avila, Lorenzo | 1661 | URU | F | =13N | −10B | +24N | −17B | 1.5 | 8.0 | 8.0 | 2.25 | 1671 | +0.4 |
| 23 | Alves, Anaclara | 1588 | URU | =13B | −17N | −26B | −18N | +24B | 1.5 | 7.5 | 8.5 | 2.25 | 1603 | +1.2 |
| 24 | Garlati, Alessandro | 1628 | URU | −3N | −5B | +25N | −22B | −23N | 1.0 | 9.5 | 10.5 | 1.00 | 1415 | -27.8 |
| 25 | Altuna Michelini, Pedro | 1599 | URU | −1N | −16B | −24B | −21N | +30N | 1.0 | 8.5 | 8.5 | 0.00 | 1444 | -38.4 |
| 26 | Guerra, Miguel | 1712 | URU | F | −11B | +23N | F | −8B | 1.0 | 8.0 | 8.0 | 1.50 | 1716 | -0.8 |
| 27 | Sosa Macho, Juan Manuel | 2030 | URU | +19N | −1B | F | F | F | 1.0 | 7.0 | 7.0 | 2.00 | 1781 | -11.6 |
| 28 | Popov, Mark | 1939 | URU | +9N | F | F | F | F | 1.0 | 6.5 | 6.5 | 3.00 | 2425 | +2.8 |
| 29 | Centurion, Jeronimo | 0 | URU | −15N | −9B | F | −16N | −18B | 0.0 | 9.0 | 9.0 | 0.00 | 872 | 0.0 |
| 30 | Silva, Yonathan | 1597 | URU | F | −14B | −20N | −9N | −25B | 0.0 | 8.5 | 8.5 | 0.00 | 873 | -64.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Villalba, PachaURU+72.03.0 pts · #5
- 2Pereira, GerardoURU+39.03.0 pts · #4
- 3Jasper, NicolasARG+32.44.0 pts · #1
- 1Silva, YonathanURU-64.00.0 pts · #30
- 2Altuna Michelini, PedroURU-38.41.0 pts · #26
- 3Fuentes, FabianURU-29.22.5 pts · #12
- R3+261 Elo gap
- R4+252 Elo gap
- R5+163 Elo gap