IRT LOW COST SEPTIEMBRE 2025
Open SwissStandard
28 players participated in this 6-round tournament, held from 02 Sept 2025 to 18 Sept 2025 in Caba, Argentina. 4 federations represented. Top 10 Elo average was 1919, and top seed was Augusto Arana (🇦🇷 ARG, 2054).
Augusto Arana (🇦🇷 ARG, 2054) won with 5.0/6, ahead of Dmitry Siryak (4.0) and Camilo Rey (4.0). Arana shared the lead from round 5 and broke clear in the final round.
The biggest upset came in round 3: Nicolas Bank Corbacho (1433) beat Marcelo Chiappano (1750), a +317-point gap.
Location
🇦🇷Caba, Argentina
Dates
02 Sept 2025 → 18 Sept 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Federations · 4 represented
🇦🇷Argentina×23
FIDE (no federation)×1
🇫🇷France×1
🇷🇺Russia×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsAugusto Arana led from R6; +1.0-point edge over the runner-up.
Co-leaders
10
4
4
1
2
1
R6 · LEADER CHANGE18 Sept
Augusto Arana takes the sole lead (5.0/6).
R3–R6 · WIN STREAK
Augusto Arana won 4 in a row (R3–R6).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Augusto Arana | * | — | 1 | — |
| 2Camilo Rey | — | * | ½ | 1 |
| 3Dmitry Siryak | 0 | ½ | * | — |
| 4Gustavo Altopiedi | — | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Arana, Augusto | 2054 | ARG | +15B | −6N | +7B | +17N | +2B | +13N | 5.0 | 14.0 | 16.0 | 13.00 | 2115 | +8.0 |
| 2 | Siryak, Dmitry | 1914 | FID | +8N | +7B | =3B | +14N | −1N | =12B | 4.0 | 17.5 | 19.5 | 11.25 | 1982 | +11.0 |
| 3 | Rey, Camilo | 1812 | ARG | +25B | +5B | =2N | =6B | +4N | −14N | 4.0 | 16.0 | 17.0 | 11.50 | 1913 | +36.4 |
| 4 | Berterreigts, Thiago | 1773 | ARG | +24N | +13B | =6B | =10N | −3B | =5N | 3.5 | 15.0 | 16.0 | 7.50 | 1892 | +15.6 |
| 5 | Altopiedi, Gustavo | 1961 | ARG | +9B | −3N | +19B | +22N | F | =4B | 3.5 | 14.5 | 16.0 | 8.25 | 1932 | -3.0 |
| 6 | Cardozo, Augusto Ruben | 1851 | ARG | +18B | +1B | =4N | =3N | −14B | F | 3.0 | 17.0 | 19.0 | 10.75 | 1885 | +4.8 |
| 7 | Peredo, Juan Ignacio | 1772 | ARG | +28B | −2N | −1N | +9B | −8N | +21B | 3.0 | 16.5 | 16.5 | 4.50 | 1724 | -14.8 |
| 8 | Ledesma, Federico | 1725 | ARG | −2B | +28N | −20B | +24N | +7B | −10N | 3.0 | 12.5 | 12.5 | 4.00 | 1675 | -9.6 |
| 9 | Aragon, Ciro | 1736 | ARG | −5N | F | +26B | −7N | +15B | +16N | 3.0 | 11.5 | 11.5 | 5.00 | 1858 | +32.4 |
| 10 | Bustos, Cristian | 1950 | ARG | F | F | +16N | =4B | F | +8B | 2.5 | 8.5 | 8.5 | 6.75 | 2020 | +4.4 |
| 11 | Novoa, Victor | 1835 | ARG | =21N | F | +24B | −13N | +25B | F | 2.5 | 8.5 | 8.5 | 2.75 | 1624 | -27.6 |
| 12 | Remolcoy, Luciano | 1986 | ARG | +16N | F | F | F | +17B | =2N | 2.5 | 8.0 | 8.0 | 6.00 | 2119 | +9.0 |
| 13 | Carrizo, Franco | 1886 | ARG | +26B | −4N | F | +11B | F | −1B | 2.0 | 15.5 | 15.5 | 3.50 | 1841 | -4.8 |
| 14 | Cabrera, Hernan Francisco | 1796 | ARG | F | F | F | −2B | +6N | +3B | 2.0 | 14.0 | 14.0 | 7.00 | 1984 | +15.2 |
| 15 | Chiappano, Marcelo | 1750 | ARG | −1N | =21B | −25N | +23B | −9N | =26B | 2.0 | 12.0 | 13.0 | 2.75 | 1560 | -30.4 |
| 16 | Chocala, Thiago Ignacio | 1745 | ARG | −12B | +18N | −10B | F | +26N | −9B | 2.0 | 11.0 | 11.0 | 3.00 | 1729 | -6.4 |
| 17 | Mayeregger, Guadalupe Milagros | 1878 | ARG | F | F | +21N | −1B | −12N | +24B | 2.0 | 10.0 | 10.0 | 2.50 | 1738 | -9.8 |
| 18 | Perez Lascano, Lucila | 1632 | ARG | −6N | −16B | +23N | +28B | −20N | −22B | 2.0 | 10.0 | 10.0 | 1.50 | 1538 | -11.0 |
| 19 | Hernandez, Carlos Marcelo | 1770 | ARG | F | =22B | −5N | F | =21B | +25N | 2.0 | 7.5 | 7.5 | 2.50 | 1692 | -13.2 |
| 20 | Baudel, Simon | 1835 | FRA | F | F | +8N | F | +18B | F | 2.0 | 7.0 | 7.0 | 5.00 | 2478 | +11.8 |
| 21 | Valery, Alessandro | 1551 | ARG | =11B | =15N | −17B | F | =19N | −7N | 1.5 | 11.5 | 11.5 | 3.25 | 1652 | +21.2 |
| 22 | Kovalev, Konstantin | 1824 | RUS | F | =19N | F | −5B | F | +18N | 1.5 | 7.5 | 7.5 | 3.00 | 1788 | -6.0 |
| 23 | Plemeniuk, Alexander | 1636 | ARG | −27B | =26N | −18B | −15N | F | +28B | 1.5 | 6.0 | 6.0 | 0.50 | 1417 | -38.4 |
| 24 | FIDE 124111634 | 0 | — | −4B | F | −11N | −8B | +28N | −17N | 1.0 | 11.0 | 11.0 | 0.00 | 1003 | 0.0 |
| 25 | Bank Corbacho, Nicolas | 1433 | ARG | −3N | F | +15B | F | −11N | −19B | 1.0 | 10.5 | 10.5 | 2.00 | 1598 | +23.2 |
| 26 | Udalykh, Yaroslav | 1701 | ARG | −13N | =23B | −9N | F | −16B | =15N | 1.0 | 10.5 | 10.5 | 1.75 | 1511 | -46.8 |
| 27 | Parisi, Thiago | 1872 | ARG | +23N | F | F | F | F | F | 1.0 | 3.5 | 3.5 | 1.50 | 2436 | +4.0 |
| 28 | FIDE 308108232 | 0 | — | −7N | −8B | F | −18N | −24B | −23N | 0.0 | 10.5 | 10.5 | 0.00 | 891 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Rey, CamiloARG+36.44.0 pts · #2
- 2Aragon, CiroARG+32.43.0 pts · #5
- 3Bank Corbacho, NicolasARG+23.21.0 pts · #21
Top rating losers
- 1Udalykh, YaroslavARG-46.81.0 pts · #23
- 2Plemeniuk, AlexanderARG-38.41.5 pts · #26
- 3Chiappano, MarceloARG-30.42.0 pts · #15
Biggest upsets
- R3+317 Elo gap
- R2+203 Elo gap
- R2+149 Elo gap