Regional Centro-Oeste Senior O65 STD 2025
Open SwissStandard
7 players participated in this 5-round tournament, held from 26 Jun 2025 to 29 Jun 2025 in Goiania GO, Brazil. Top 10 Elo average was 1577, and top seed was Newton Pereira Pinto (🇧🇷 BRA, 1967).
Eduardo De Aquino Gambale (🇧🇷 BRA, 1954) won with 3.0/5, ahead of Cassio Roberto Sopko (3.0) and Newton Pereira Pinto (3.0). Gambale took the lead from round 2, winning on tie-break.
Location
🇧🇷Goiania GO, Brazil
Dates
26 Jun 2025 → 29 Jun 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Federations · 1 represented
🇧🇷Brazil×7
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsTight race until R5; 3 players tied at 3.0/5, decided on Buchholz.
Co-leaders
1
1
1
1
3
R2 · LEADER CHANGE27 Jun
Eduardo De Aquino Gambale takes the sole lead (1.5/2).
R5 · TIEBREAK CLUSTER
3 players finish on 3.0/5. Gambale takes the title on Buchholz Cut1 (8.5).
R2 · HEAD-TO-HEAD · WINNER VS 2ND
Newton Pereira Pinto beat Cassio Roberto Sopko (White).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Newton Pereira Pinto | * | 1 | ½ | 1 |
| 2Cassio Roberto Sopko | 0 | * | ½ | ½ |
| 3Eduardo De Aquino Gambale | ½ | ½ | * | 1 |
| 4Jose Eduardo Nascimento | 0 | ½ | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Gambale, Eduardo De Aquino | 1954 | BRA | =2N | +4B | +5B | =3N | F | 3.0 | 8.5 | 9.5 | 5.50 | 2014 | +4.8 |
| 2 | Sopko, Cassio Roberto | 1818 | BRA | =1B | −3N | +7N | +5B | =4B | 3.0 | 8.5 | 9.0 | 3.75 | 1855 | +4.2 |
| 3 | Pinto, Newton Pereira | 1967 | BRA | F | +2B | +4N | =1B | =7N | 3.0 | 8.0 | 8.0 | 6.25 | 2010 | +5.4 |
| 4 | Nascimento, Jose Eduardo | 1883 | BRA | +7B | −1N | −3B | F | =2N | 1.5 | 9.5 | 9.5 | 2.00 | 1751 | -14.0 |
| 5 | Lopes, Francisco Agostinho | 0 | BRA | F | +6B | −1N | −2N | F | 1.0 | 7.0 | 7.0 | 1.00 | 1733 | 0.0 |
| 6 | Arruda Filho, Ivo Pereira de | 1801 | BRA | F | −5N | F | +7B | F | 1.0 | 4.5 | 4.5 | 0.50 | 2414 | +5.2 |
| 7 | De Oliveira, Job Rodrigues | 1614 | BRA | −4N | F | −2B | −6N | =3B | 0.5 | 8.5 | 8.5 | 1.50 | 1545 | -11.2 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Pinto, Newton PereiraBRA+5.43.0 pts · #1
- 2Arruda Filho, Ivo Pereira deBRA+5.21.0 pts · #5
- 3Gambale, Eduardo De AquinoBRA+4.83.0 pts · #3
Top rating losers
- 1Nascimento, Jose EduardoBRA-14.01.5 pts · #4
- 2De Oliveira, Job RodriguesBRA-11.20.5 pts · #7
- 3Lopes, Francisco AgostinhoBRA0.01.0 pts · #6