IRT sub 1600 Copa Aniversario de Obera
Open SwissStandard
15 players participated in this 6-round tournament, held from 12 Jul 2025 to 13 Jul 2025 in Obera, Misiones, Argentina. Top 10 Elo average was 296, and top seed was Santino Esposito (🇦🇷 ARG, 1486).
Thiago Sthefano Gross (🇦🇷 ARG, 0) won with 5.5/6. Gross shared the lead from round 5, winning on tie-break.
Location
🇦🇷Obera, Misiones, Argentina
Dates
12 Jul 2025 → 13 Jul 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Federations · 1 represented
🇦🇷Argentina×9
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsTight race until R6; 2 players tied at 5.5/6, decided on Buchholz.
Co-leaders
11
6
1
1
2
2
R6 · TIEBREAK CLUSTER
2 players finish on 5.5/6. Gross takes the title on Buchholz Cut1 (12.5).
R3 · HEAD-TO-HEAD · WINNER VS 2ND
Thiago Sthefano Gross drew with FIDE 20065426 (Black).
WIN STREAKS · 2 top finishers
Thiago Sthefano Gross 3 wins (R4–R6)FIDE 20065426 3 wins (R4–R6)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Thiago Sthefano Gross | * | ½ | — | 1 |
| 2FIDE 20065426 | ½ | * | — | — |
| 3Martin Ignacio Molina Lopez | — | — | * | — |
| 4Olivia Duarte | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Gross, Thiago Sthefano | 0 | ARG | +7N | +?B | =2N | +?B | +4N | +?B | 5.5 | 12.5 | 12.5 | 9.75 | 1512 | 0.0 |
| 2 | FIDE 20065426 | 0 | — | +8B | +?N | =1B | +?N | +?B | +6N | 5.5 | 12.0 | 12.0 | 9.25 | 1454 | 0.0 |
| 3 | Chavez, Martin | 1469 | ARG | =9N | =7B | +11N | =6B | +8N | =5B | 4.0 | 16.5 | 18.5 | 11.75 | 1486 | +1.2 |
| 4 | Duarte, Olivia | 0 | ARG | +?B | +12N | −?B | +14N | −1B | +7B | 4.0 | 11.5 | 11.5 | 6.00 | 1506 | 0.0 |
| 5 | Molina Lopez, Martin Ignacio | 0 | ARG | +?N | +6B | =?B | −?N | +10B | =3N | 4.0 | 10.5 | 10.5 | 8.50 | 1472 | 0.0 |
| 6 | Stier, Elian | 0 | ARG | +10B | −5N | +?B | =3N | +?B | −2B | 3.5 | 16.5 | 16.5 | 5.00 | 1470 | 0.0 |
| 7 | Esposito, Santino | 1486 | ARG | −1B | =3N | =9B | +11N | +12B | −4N | 3.0 | 18.5 | 20.5 | 7.50 | 1465 | -1.2 |
| 8 | Balza Da Rosa, Mia Sofia | 0 | ARG | −2N | +13B | −?N | +?B | −3B | +11N | 3.0 | 13.5 | 13.5 | 4.00 | 665 | 0.0 |
| 9 | Medina, Tomas Agustin | 0 | ARG | =3B | −?N | =7N | +?B | −?N | +12B | 3.0 | 9.0 | 9.0 | 5.50 | 1345 | 0.0 |
| 10 | Duarte, Junior Oscar | 0 | ARG | −6N | +?B | F | +?B | −5N | +?N | 3.0 | 7.5 | 7.5 | 0.00 | 1454 | 0.0 |
| 11 | FIDE 20065418 | 0 | — | +?N | −?N | −3B | −7B | +?N | −8B | 2.0 | 10.0 | 10.0 | 0.00 | 662 | 0.0 |
| 12 | FIDE 20046286 | 0 | — | +?N | −4B | −?N | +15B | −7N | −9N | 2.0 | 10.0 | 10.0 | 0.00 | 672 | 0.0 |
| 13 | FIDE 20065400 | 0 | — | −?B | −8N | +15B | −?N | +?N | −?B | 2.0 | 3.0 | 3.0 | 0.00 | 634 | 0.0 |
| 14 | FIDE 20065442 | 0 | — | −?B | F | +?N | −4B | F | −?B | 1.0 | 4.0 | 4.0 | 0.00 | 658 | 0.0 |
| 15 | FIDE 20065361 | 0 | — | −?N | −?B | −13N | −12N | F | −?B | 0.0 | 4.0 | 4.0 | 0.00 | 658 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Chavez, MartinARG+1.24.0 pts · #8
- 2Stier, ElianARG0.03.5 pts · #3
- 3Balza Da Rosa, Mia SofiaARG0.03.0 pts · #13
Top rating losers
- 1Esposito, SantinoARG-1.23.0 pts · #9
- 2Stier, ElianARG0.03.5 pts · #3
- 3Balza Da Rosa, Mia SofiaARG0.03.0 pts · #13