CChessStats

IRT Torneo Apertura - Oscar Soley

Open SwissStandard

21 players participated in this 6-round tournament, held from 21 Mar 2026 to 22 Mar 2026 in Posadas - Misiones, Argentina. 2 federations represented. Top 10 Elo average was 1840, and top seed was Jesus Esteban Alvarez (🇦🇷 ARG, 2004).

Jesus Esteban Alvarez (🇦🇷 ARG, 2004) won with 5.0/6, ahead of Angel Damian Yossen (5.0) and Miguel Alvarez (4.5). Alvarez won on tie-break after catching the field in the final round.

The biggest upset came in round 3: Alfredo Javier Maxit (1629) beat Juan Ignacio Selva Andrade (1830), a +201-point gap.

Location
🇦🇷Posadas - Misiones, Argentina
Dates
21 Mar 2026 → 22 Mar 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Top seed
🇦🇷Jesus Esteban Alvarez2004
Avg top 10
1,840
Participants
21
Federations · 2 represented
🇦🇷Argentina×17
🇵🇾Paraguay×2
Top 3

How it unfolded

Top 6 · 6 rounds

Tight race until R6; 2 players tied at 5.0/6, decided on Buchholz.

Co-leaders
10
5
2
1
1
2
1.534.56R1R2R3R4R5R6
Alvarez5Yossen5Alvarez4.5Molina4Marchak4Maxit4
R6 · TIEBREAK CLUSTER

2 players finish on 5.0/6. Alvarez takes the title on Buchholz Cut1 (20.0).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Jesus Esteban Alvarez lost to Angel Damian Yossen (White).

WIN STREAKS · 3 top finishers

Jesus Esteban Alvarez 3 wins (R1–R3)Angel Damian Yossen 4 wins (R1–R4)Miguel Alvarez 3 wins (R3–R5)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Jesus Esteban Alvarez*
0
1
—
2Angel Damian Yossen
1
*
½
—
3Miguel Alvarez
0
½
*—
4Vicente Molina———*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Alvarez, Jesus Esteban2004ARG+19N+3B+8N−2B+5N+7B5.020.021.016.002076+20.4
2Yossen, Angel Damian1922ARG+15B+4N+14B+1N=7B=3N5.019.521.517.502102+21.8
3Alvarez, Miguel1832ARG+10B−1N+11B+14N+8B=2B4.519.021.514.001977+19.2
4Marchak, Miguel Fernando1830ARG+6N−2B+17N−5B+15N+9B4.018.019.510.501797-2.8
5Maxit, Alfredo Javier1629ARG+20B−7N+12B+4N−1B+14N4.018.019.010.501878+24.2
6Molina, Vicente1748ARG−4B+9N−7B+19N+18B+8N4.014.515.58.001831+11.8
7Carlino, Esteban1846ARG−8N+5B+6N+17B=2N−1N3.521.022.512.001813-4.2
8Duba, Yamil1763PAR+7B+12N−1B+11N−3N−6B3.020.023.09.501826+9.8
9Lopez Estoup, Bastian Benjamin1532ARG+13N−6B−15N+20B+11B−4N3.016.017.07.001575+6.8
10Fernandez, Gabriel1755ARG−3N=17B+16N−15B=14B+18N3.012.513.55.001574-13.4
11Owczarczyn, Cristian Lucas1697ARG+18N+19B−3N−8B−9N+20B3.012.513.53.001545-15.6
12Selva Andrade, Juan Ignacio1830ARGF−8B−5N+16B+17N+15B3.012.512.55.501664-16.0
13Osuna, Juan Hector0ARG−9B+21N−19B−18N+16N+17B3.08.58.53.5014830.0
14Silva, Steven0ARG+16N+18B−2N−3B=10N−5B2.518.519.54.5015720.0
15Benitez Sotelo, Tobias Ezequiel1796PAR−2NF+9B+10N−4B−12N2.018.018.06.001702-24.4
16Duarte, Junior Oscar1468ARG−14B+20N−10B−12N−13B+21N2.012.512.51.00993-10.4
17Tello, Santiago Nahuel0ARG+21B=10N−4B−7N−12B−13N1.516.516.51.5014930.0
18FIDE 200781610—−11B−14NF+13B−6N−10B1.015.515.53.009330.0
19Portillo, Luciana1826ARG−1B−11N+13N−6BFF1.015.015.03.001016-62.0
20FIDE 200781700—−5N−16BF−9N+21B−11N1.012.012.00.007810.0
21Levy, Ariel Edgardo0ARG−17N−13BFF−20N−16B0.08.58.50.006670.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets