CChessStats

4to Alekhine 2025

Open SwissStandard

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.

Location
🇺🇾Piriapolis, Uruguay
Dates
05 Sept 2025 → 07 Sept 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
🇺🇾Juan Manuel Sosa Macho2030
Avg top 10
1,958
Participants
30
Titled players · 1
WCM×1
Federations · 2 represented
🇺🇾Uruguay×28
🇦🇷Argentina×2
Top 3

How it unfolded

Top 6 · 5 rounds

Nicolas Jasper led from R3; +0.5-point edge over the runner-up.

Co-leaders
7
2
1
1
1
1.52.545R1R2R3R4R5
R3–R5 · LEAD HELD

Nicolas Jasper held the sole lead from R3 through R5 without losing it.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Nicolas Jasper drew with Aurelio Durante (White).

R1–R5 · UNBEATEN

Nicolas Jasper went unbeaten across 5 games (R1–R5).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Nicolas Jasper*
½
½
—
2Aurelio Durante
½
*—
1
3Sebastian Izquierdo
½
—*—
4Gerardo Pereira—
0
—*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Jasper, Nicolas1895ARG+25B+27N=3B+11N=2B4.010.511.58.002144+32.4
2Durante, Aurelio1980URU+16N+15B−11N+5B=1N3.511.513.59.001901-6.0
3Izquierdo, Sebastian1942URU+24BF=1N+4B+12N3.510.511.58.502181+20.6
4Benitez, Andres2015URUF+10N+17B−3N+13B3.010.510.57.002029+2.0
5Pereira, Gerardo1484URU−10B+24N+18B−2N+16B3.010.011.05.001798+39.0
6Villalba, Pacha1562URU=14N−19B+21B+17N=11B3.09.010.56.001853+72.0
7Escofet, Jaime1982URU=21B+18NF=12B+10N3.08.58.56.501935-3.6
8Moreno, Diego1967URUF+20B−12N+15B+26N3.07.57.55.001915-3.8
9Dovat, Nicolas1625URU−28B+29N−19N+30B+15N3.05.05.02.001718+8.8
10Pimentel, Abraham1725URU+5N−4B+22N=14B−7B2.511.513.05.751790+15.2
11Varela, Mateo1969URUF+26N+2B−1B=6N2.511.511.56.001884-12.8
12Avedisian, Alexander1842URUF+21N+8B=7N−3B2.511.011.06.001981+15.2
13Fuentes, Fabian1862URU=23N=22B=14N+20B−4N2.59.010.54.751747-29.2
14Larrea, DanielaWCM1807URU=6B+30N=13B=10NF2.58.08.04.001782-2.0
15Comtesse, Eduardo Jose1670ARG+29B−2N+16B−8N−9B2.011.511.52.001612-7.6
16Delbono, Ruben1647URU−2B+25N−15N+29B−5N2.09.59.51.001490-17.6
17Suarez, Juan1814URUF+23B−4N−6B+22N2.09.09.03.001707-10.8
18De Cuadro, Dionisio1745URUF−7B−5N+23B+29N2.07.57.51.501560-14.6
19Dutra, Carmelo1666URU−27B+6N+9BFF2.07.07.06.001864+28.0
20Contardi, Mateo1662URUF−8N+30B−13N+21B2.07.07.01.501770+20.8
21Ruiz, Ulises1654URU=7N−12B−6N+25B−20N1.510.511.52.501580-11.8
22Avila, Lorenzo1661URUF=13N−10B+24N−17B1.58.08.02.251671+0.4
23Alves, Anaclara1588URU=13B−17N−26B−18N+24B1.57.58.52.251603+1.2
24Garlati, Alessandro1628URU−3N−5B+25N−22B−23N1.09.510.51.001415-27.8
25Altuna Michelini, Pedro1599URU−1N−16B−24B−21N+30N1.08.58.50.001444-38.4
26Guerra, Miguel1712URUF−11B+23NF−8B1.08.08.01.501716-0.8
27Sosa Macho, Juan Manuel2030URU+19N−1BFFF1.07.07.02.001781-11.6
28Popov, Mark1939URU+9NFFFF1.06.56.53.002425+2.8
29Centurion, Jeronimo0URU−15N−9BF−16N−18B0.09.09.00.008720.0
30Silva, Yonathan1597URUF−14B−20N−9N−25B0.08.58.50.00873-64.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
4to Alekhine 2025 — Piriapolis, Uruguay | Chess Tournament Results | ChessStats