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
Federations · 1 represented
🇦🇷Argentina×19
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsMateo Pistone led from R6; +0.5-point edge over the runner-up.
Co-leaders
6
3
3
1
1
1
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| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Mateo Pistone | * | 1 | 0 | — |
| 2Luis Pigoni | 0 | * | ½ | 1 |
| 3Ramiro Laurin | 1 | ½ | * | — |
| 4Mauricio Munoz | — | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Pistone, Mateo | 1859 | ARG | +11B | −3N | =18B | +9N | +12B | +2B | 4.5 | 15.5 | 16.5 | 12.00 | 1967 | +35.2 |
| 2 | Pigoni, Luis | 1911 | ARG | +6B | +5N | =3B | =7N | +8B | −1N | 4.0 | 20.0 | 23.5 | 15.25 | 1988 | +12.0 |
| 3 | Laurin, Ramiro | 1933 | ARG | +9N | +1B | =2N | +4B | −7B | =8N | 4.0 | 19.5 | 22.5 | 15.25 | 1996 | +10.0 |
| 4 | Ipuche, Andres | 1892 | ARG | =13N | +20B | +12B | −3N | =5N | +14B | 4.0 | 14.0 | 14.0 | 7.00 | 1829 | -5.8 |
| 5 | Munoz, Mauricio | 1834 | ARG | +14N | −2B | +15N | =16N | =4B | +12B | 4.0 | 13.5 | 15.0 | 8.25 | 1923 | +15.8 |
| 6 | Loskin, Camilo | 1747 | ARG | −2N | F | +11B | +18N | +13B | +7N | 4.0 | 13.0 | 13.0 | 9.00 | 1963 | +53.6 |
| 7 | Rossi, Geronimo | 1898 | ARG | +10B | F | +8N | =2B | +3N | −6B | 3.5 | 18.0 | 18.0 | 12.00 | 1972 | +10.8 |
| 8 | Orellana Fuentes, Alvaro Fernando | 1905 | ARG | +19N | +21B | −7B | +10N | −2N | =3B | 3.5 | 15.0 | 15.0 | 5.50 | 1814 | -11.0 |
| 9 | Alfonso, Felipe | 1763 | ARG | −3B | F | +20N | −1B | +10N | +19B | 3.0 | 12.0 | 12.0 | 3.50 | 1781 | +1.8 |
| 10 | Soto, Santino | 1619 | ARG | −7N | +14B | +21N | −8B | −9B | =13N | 2.5 | 14.0 | 14.0 | 3.00 | 1598 | -9.2 |
| 11 | Barrera, Ricardo | 1594 | ARG | −1N | +19B | −6N | +21B | −14B | =18N | 2.5 | 12.5 | 12.5 | 1.50 | 1544 | -7.6 |
| 12 | Romero, Joaquin | 1848 | ARG | F | +13B | −4N | +17B | −1N | −5N | 2.0 | 16.0 | 16.0 | 3.50 | 1690 | -20.6 |
| 13 | Baliente, Joaquin | 1614 | ARG | =4B | −12N | F | +15B | −6N | =10B | 2.0 | 14.0 | 14.0 | 4.75 | 1661 | +9.2 |
| 14 | Lopez Tilleria, Luka | 1554 | ARG | −5B | −10N | F | +20B | +11N | −4N | 2.0 | 13.0 | 13.0 | 2.50 | 1542 | -5.2 |
| 15 | Ortuno, Joe | 1557 | ARG | F | F | −5B | −13N | =17N | +21B | 1.5 | 7.5 | 7.5 | 0.75 | 1413 | -20.4 |
| 16 | Slomka, Gustavo | 2026 | ARG | F | F | +17N | =5B | F | F | 1.5 | 5.5 | 5.5 | 3.50 | 1923 | -3.4 |
| 17 | Iribarren, Imanol | 1611 | ARG | F | F | −16B | −12N | =15B | +20N | 1.5 | 5.0 | 5.0 | 0.75 | 1532 | -14.4 |
| 18 | Rossi, Augusto | 1596 | ARG | F | F | =1N | −6B | −19N | =11B | 1.0 | 12.0 | 12.0 | 3.50 | 1535 | -12.8 |
| 19 | Sardon Matos, Ignacio | 1711 | ARG | −8B | −11N | F | F | +18B | −9N | 1.0 | 10.0 | 10.0 | 1.00 | 1522 | -40.0 |
| 20 | FIDE 20068182 | 0 | — | F | −4N | −9B | −14N | F | −17B | 0.0 | 10.5 | 10.5 | 0.00 | 905 | 0.0 |
| 21 | FIDE 20082495 | 0 | — | F | −8N | −10B | −11N | F | −15N | 0.0 | 10.0 | 10.0 | 0.00 | 869 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Loskin, CamiloARG+53.64.0 pts · #5
- 2Pistone, MateoARG+35.24.5 pts · #1
- 3Munoz, MauricioARG+15.84.0 pts · #4
Top rating losers
- 1Sardon Matos, IgnacioARG-40.01.0 pts · #16
- 2Romero, JoaquinARG-20.62.0 pts · #11
- 3Ortuno, JoeARG-20.41.5 pts · #19
Biggest upsets
- R6+151 Elo gap
- R2+117 Elo gap