CChessStats

Abierto Nacimiento de la Patria

Open SwissStandard

21 players participated in this 6-round tournament, held from 29 May 2026 to 31 May 2026 in Puerto Madryn- Chubut, Argentina. Top 10 Elo average was 1887, and top seed was Gustavo Slomka (🇦🇷 ARG, 2026).

Mateo Pistone (🇦🇷 ARG, 1859) won with 4.5/6, ahead of Luis Pigoni (4.0) and Ramiro Laurin (4.0). Pistone clinched sole first place in the final round.

The biggest upset came in round 6: Camilo Loskin (1747) beat Geronimo Rossi (1898), a +151-point gap.

Location
🇦🇷Puerto Madryn- Chubut, Argentina
Dates
29 May 2026 → 31 May 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Top seed
🇦🇷Gustavo Slomka2026
Avg top 10
1,887
Participants
21
Federations · 1 represented
🇦🇷Argentina×19
Top 3

How it unfolded

Top 6 · 6 rounds

Mateo Pistone led from R6; +0.5-point edge over the runner-up.

Co-leaders
6
3
3
1
1
1
1.534.56R1R2R3R4R5R6Pigoni takes leadPistone takes lead
R5 · LEADER CHANGE31 May

Luis Pigoni takes the sole lead (4.0/5).

R6 · HEAD-TO-HEAD · WINNER VS 2ND

Mateo Pistone beat Luis Pigoni (White).

R4–R6 · WIN STREAK

Mateo Pistone won 3 in a row (R4–R6).

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Pistone, Mateo1859ARG+11B3N=18B+9N+12B+2B4.515.516.512.001967+35.2
2Pigoni, Luis1911ARG+6B+5N=3B=7N+8B1N4.020.023.515.251988+12.0
3Laurin, Ramiro1933ARG+9N+1B=2N+4B7B=8N4.019.522.515.251996+10.0
4Ipuche, Andres1892ARG=13N+20B+12B3N=5N+14B4.014.014.07.001829-5.8
5Munoz, Mauricio1834ARG+14N2B+15N=16N=4B+12B4.013.515.08.251923+15.8
6Loskin, Camilo1747ARG2NF+11B+18N+13B+7N4.013.013.09.001963+53.6
7Rossi, Geronimo1898ARG+10BF+8N=2B+3N6B3.518.018.012.001972+10.8
8Orellana Fuentes, Alvaro Fernando1905ARG+19N+21B7B+10N2N=3B3.515.015.05.501814-11.0
9Alfonso, Felipe1763ARG3BF+20N1B+10N+19B3.012.012.03.501781+1.8
10Soto, Santino1619ARG7N+14B+21N8B9B=13N2.514.014.03.001598-9.2
11Barrera, Ricardo1594ARG1N+19B6N+21B14B=18N2.512.512.51.501544-7.6
12Romero, Joaquin1848ARGF+13B4N+17B1N5N2.016.016.03.501690-20.6
13Baliente, Joaquin1614ARG=4B12NF+15B6N=10B2.014.014.04.751661+9.2
14Lopez Tilleria, Luka1554ARG5B10NF+20B+11N4N2.013.013.02.501542-5.2
15Ortuno, Joe1557ARGFF5B13N=17N+21B1.57.57.50.751413-20.4
16Slomka, Gustavo2026ARGFF+17N=5BFF1.55.55.53.501923-3.4
17Iribarren, Imanol1611ARGFF16B12N=15B+20N1.55.05.00.751532-14.4
18Rossi, Augusto1596ARGFF=1N6B19N=11B1.012.012.03.501535-12.8
19Sardon Matos, Ignacio1711ARG8B11NFF+18B9N1.010.010.01.001522-40.0
20FIDE 200681820F4N9B14NF17B0.010.510.50.009050.0
21FIDE 200824950F8N10B11NF15N0.010.010.00.008690.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets