Regional Centro Oeste Amador STD 2025 U2300
19 players participated in this 5-round tournament, held from 13 Nov 2025 to 25 Nov 2025 in Goiania GO, Brazil. 1 titled players. Top 10 Elo average was 1917, and top seed was Marlos de Almeida Damasceno (🇧🇷 BRA, 2130).
Pedro Igor Goncalves Melo (🇧🇷 BRA, 1742) won with 4.0/5, ahead of Paulo Estevao Rosa (4.0) and Joaquim de Deus Filho (4.0). Melo won on tie-break after catching the field in the final round.
The biggest upset came in round 5: Pedro Igor Goncalves Melo (1742) beat Newton Pereira Pinto (1972), a +230-point gap.
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How it unfolded
Top 6 · 5 roundsTight race until R5; 3 players tied at 4.0/5, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 3 at the finish.
3 players finish on 4.0/5. Melo takes the title on Buchholz Cut1 (10.5).
Pedro Igor Goncalves Melo 3 wins (R3–R5)Joaquim de Deus Filho 3 wins (R2–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Pedro Igor Goncalves Melo | * | — | — | — |
| 2Joaquim de Deus Filho | — | * | ½ | — |
| 3Paulo Estevao Rosa | — | ½ | * | — |
| 4Luiz Americo De Paiva Filho | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Melo, Pedro Igor Goncalves | 1742 | BRA | +9B | −6N | +11B | +5N | +7B | 4.0 | 10.5 | 12.5 | 10.00 | 2126 | +97.2 |
| 2 | Rosa, Paulo Estevao | 1901 | BRA | +16B | +18N | =8B | +6N | =3B | 4.0 | 9.5 | 9.5 | 6.25 | 2017 | +11.8 |
| 3 | Deus Filho, Joaquim de | 1811 | BRA | =17B | +19N | +13N | +7B | =2N | 4.0 | 9.0 | 9.0 | 6.75 | 2163 | +43.6 |
| 4 | De Paiva Filho, Luiz Americo | 1938 | BRA | −5B | +12N | +18B | =8N | +6B | 3.5 | 10.0 | 10.0 | 5.75 | 1841 | -7.8 |
| 5 | Lopes, Fabiano Moura | 1747 | BRA | +4N | −13B | +15N | −1B | +16B | 3.0 | 10.5 | 11.0 | 5.00 | 1881 | +36.4 |
| 6 | Mariano, Marceley MartinsCM | 1962 | BRA | +15N | +1B | =7N | −2B | −4N | 2.5 | 14.0 | 15.0 | 6.25 | 1863 | -12.8 |
| 7 | Pinto, Newton Pereira | 1972 | BRA | +10B | +11N | =6B | −3N | −1N | 2.5 | 13.0 | 15.0 | 5.75 | 1830 | -18.4 |
| 8 | De Moura, Valderi Nascimento | 1814 | BRA | =12B | F | =2N | =4B | +13N | 2.5 | 11.5 | 12.0 | 6.75 | 2036 | +18.0 |
| 9 | Da Silva Santos, Henry Franklin | 1926 | BRA | −1N | −15B | +14N | +18B | =10N | 2.5 | 9.5 | 9.5 | 3.25 | 1623 | -30.8 |
| 10 | Sopko, Cassio Roberto | 1810 | BRA | −7N | +14B | =16N | =12B | =9B | 2.5 | 9.0 | 9.5 | 4.50 | 1780 | -2.4 |
| 11 | Costa, Paulo Sergio | 1825 | BRA | +14N | −7B | −1N | +15B | −12N | 2.0 | 10.5 | 11.5 | 3.00 | 1748 | -7.2 |
| 12 | Silvino, Eduardo Ribeiro | 0 | BRA | =8N | −4B | F | =10N | +11B | 2.0 | 10.5 | 10.5 | 4.50 | 1847 | 0.0 |
| 13 | Saad, Davi Pedro | 1893 | BRA | F | +5N | −3B | +16N | −8B | 2.0 | 10.0 | 10.0 | 3.50 | 1770 | -26.4 |
| 14 | Roeder, Guilherme H Oliveira | 1514 | BRA | −11B | −10N | −9B | +19B | +18N | 2.0 | 7.0 | 7.0 | 0.00 | 1624 | +15.6 |
| 15 | Gautier, Heitor Carvalho Luz | 1761 | BRA | −6B | +9N | −5B | −11N | F | 1.0 | 10.0 | 10.0 | 2.50 | 1672 | -9.0 |
| 16 | Campos,Otavio Moraes | 1708 | BRA | −2N | F | =10B | −13B | −5N | 0.5 | 11.5 | 11.5 | 1.25 | 1516 | -16.4 |
| 17 | Damasceno, Marlos de Almeida | 2130 | BRA | =3N | F | F | F | F | 0.5 | 6.5 | 6.5 | 2.00 | 1811 | -7.4 |
| 18 | FIDE 538067706 | 0 | — | F | −2B | −4N | −9N | −14B | 0.0 | 12.0 | 12.0 | 0.00 | 1020 | 0.0 |
| 19 | Santos, Jessica Souza | 1717 | BRA | F | −3B | F | −14N | F | 0.0 | 8.0 | 8.0 | 0.00 | 863 | -45.2 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Melo, Pedro Igor GoncalvesBRA+97.24.0 pts · #1
- 2Deus Filho, Joaquim deBRA+43.64.0 pts · #2
- 3Lopes, Fabiano MouraBRA+36.43.0 pts · #4
- 1Santos, Jessica SouzaBRA-45.20.0 pts · #19
- 2Da Silva Santos, Henry FranklinBRA-30.82.5 pts · #13
- 3Saad, Davi PedroBRA-26.42.0 pts · #9
- R5+230 Elo gap
- R4+203 Elo gap
- R1+191 Elo gap