CChessStats

TORNEO MAYOR 99 ANIVERSARIO DEL CLUB DE AJEDREZ POSADAS

Open SwissStandard

10 players participated in this 9-round tournament, held from 21 Nov 2025 to 24 Nov 2025 in Posadas, Misiones, Argentina. 2 federations represented. Top 10 Elo average was 1862, and top seed was Horacio Oviedo (🇦🇷 ARG, 2068).

Jesus Esteban Alvarez (🇦🇷 ARG, 1939) won with 8.5/9, ahead of Angel Damian Yossen (7.0) and Horacio Oviedo (5.5). Alvarez won solo starting round 2.

The biggest upset came in round 9: Esteban Carlino (1854) beat Horacio Oviedo (2068), a +214-point gap.

Location
🇦🇷Posadas, Misiones, Argentina
Dates
21 Nov 2025 → 24 Nov 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 9 rounds
Top seed
🇦🇷Horacio Oviedo2068
Avg top 10
1,862
Participants
10
Federations · 2 represented
🇦🇷Argentina×9
🇵🇾Paraguay×1
Top 3

How it unfolded

Top 6 · 9 rounds

Jesus Esteban Alvarez led from R2; +1.5-point edge over the runner-up.

Co-leaders
5
1
1
1
1
1
1
1
1
2.54.579R1R2R3R4R5R6R7R8R9
Alvarez8.5Yossen7Oviedo5.5Selva Andrade5Portillo5Coronel4
R2–R9 · LEAD HELD

Jesus Esteban Alvarez never relinquished the lead after R2; final gap +1.5 over the runner-up.

R7 · HEAD-TO-HEAD · WINNER VS 2ND

Jesus Esteban Alvarez drew with Angel Damian Yossen (Black).

R1–R6 · WIN STREAK

Jesus Esteban Alvarez won 6 in a row (R1–R6).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Jesus Esteban Alvarez*
½
1
1
2Angel Damian Yossen
½
*
1
1
3Horacio Oviedo
0
0
*
½
4Juan Ignacio Selva Andrade
0
0
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Alvarez, Jesus Esteban1939ARG+5B+3B+10N+4B+7N+9B=2N+6B+8N8.536.036.533.002298+118.8
2Yossen, Angel Damian1934ARG+4N=7B+9N=5N+6B+8N=1B+3N=10B7.037.538.029.002074+31.4
3Oviedo, Horacio2068ARG+8B−1N+5B+10B=4N+7B+9N−2B−6N5.539.039.517.501920-30.4
4Selva Andrade, Juan Ignacio1804ARG−2B=6N+8B−1N=3B+10N=5B+7B=9N5.039.540.016.001912+24.8
5Portillo, Luciana1745ARG−1N+9B−3N=2B+10N=6B=4N+8B=7N5.039.540.016.001918+79.6
6Carlino, Esteban1854ARG+10N=4B−7N−9B−2N=5N+8B−1N+3B4.040.541.014.001820-8.2
7Coronel, Santiago Nicolas1895ARG+9B=2N+6B−8N−1B−3N+10B−4N=5B4.040.541.013.001816-19.2
8Alvarez, Miguel1862ARG−3N+10B−4N+7B+9N−2B−6N−5N−1B3.041.542.07.001737-30.2
9Duba, Yamil1773PAR−7N−5N−2B+6N−8B−1N−3B+10N=4B2.542.042.57.001706-17.2
10Owczarczyn, Cristian Lucas1747ARG−6B−8N−1B−3N−5B−4B−7N−9B=2N0.542.044.53.501431-50.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets