Regional Norte de Xadrez Amador Classico 2025 U1700
Open SwissStandard
16 players participated in this 5-round tournament, held from 11 Sept 2025 to 14 Sept 2025 in Macapa AP, Brazil. Top 10 Elo average was 1312, and top seed was Gustavo A Linhares De Magalhaes (🇧🇷 BRA, 1697).
Gustavo A Linhares De Magalhaes (🇧🇷 BRA, 1697) won with 4.0/5, ahead of Brayan Da Costa Amoras (4.0) and Filipe Chagas De Lima (3.5). De Magalhaes won on tie-break after catching the field in the final round.
Location
🇧🇷Macapa AP, Brazil
Dates
11 Sept 2025 → 14 Sept 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Federations · 1 represented
🇧🇷Brazil×14
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsTight race until R5; 2 players tied at 4.0/5, decided on Buchholz.
Co-leaders
7
4
1
1
2
R5 · TIEBREAK CLUSTER
2 players finish on 4.0/5. De Magalhaes takes the title on Buchholz Cut1 (13.0).
R2 · HEAD-TO-HEAD · WINNER VS 2ND
Gustavo A Linhares De Magalhaes beat Brayan Da Costa Amoras (White).
R3–R5 · WIN STREAK
Brayan Da Costa Amoras won 3 in a row (R3–R5).
Key matchups · top 4
Head-to-head between the four finishersGrille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | De Magalhaes, Gustavo A Linhares | 1697 | BRA | +10N | +2B | −3N | +8B | +5N | 4.0 | 13.0 | 15.0 | 11.50 | 2420 | +15.6 |
| 2 | Amoras, Brayan Da Costa | 0 | BRA | +12B | −1N | +13B | +11N | +3N | 4.0 | 11.5 | 12.5 | 8.50 | 1681 | 0.0 |
| 3 | De Lima, Filipe Chagas | 0 | BRA | +14B | +13N | +1B | =5N | −2B | 3.5 | 12.0 | 13.0 | 7.50 | 1706 | 0.0 |
| 4 | Diniz, Renan Coutinho | 0 | BRA | −13B | +14N | +12B | =9B | +8N | 3.5 | 8.0 | 9.0 | 6.75 | 1686 | 0.0 |
| 5 | Nascimento, Yan Gabriel De Abreu | 0 | BRA | +6N | +9B | =8N | =3B | −1B | 3.0 | 13.0 | 15.5 | 8.50 | 1683 | 0.0 |
| 6 | De Jesus, Debora Jamilly Goes | 1623 | BRA | −5B | +15N | −11B | +14N | +10B | 3.0 | 8.0 | 9.0 | 4.00 | 2404 | +37.6 |
| 7 | Pacheco, Laysa Mireya Santos | 0 | BRA | −8N | −10B | +15B | +13N | +14B | 3.0 | 6.5 | 7.5 | 3.00 | 1621 | 0.0 |
| 8 | Silva, Carlos Sashiel Dos Santos | 1643 | BRA | +7B | +11N | =5B | −1N | −4B | 2.5 | 13.5 | 15.5 | 6.50 | 897 | -16.8 |
| 9 | Gomes, Willington Luis | 1689 | BRA | +15B | −5N | +10B | =4N | −11B | 2.5 | 10.5 | 11.5 | 4.75 | 2397 | +14.8 |
| 10 | Alves, Vinicius De Oliveira | 1569 | BRA | −1B | +7N | −9N | +16B | −6N | 2.0 | 12.5 | 12.5 | 3.00 | 870 | -47.6 |
| 11 | Carvalho, Jose Pedro Monteiro De | 0 | BRA | F | −8B | +6N | −2B | +9N | 2.0 | 12.0 | 12.0 | 5.50 | 1672 | 0.0 |
| 12 | Miranda, Ana Karolina Moreno | 1654 | BRA | −2N | +16B | −4N | F | +13B | 2.0 | 8.5 | 8.5 | 1.00 | 2431 | +18.8 |
| 13 | Silva, Guilherme Melo Da | 1631 | BRA | +4N | −3B | −2N | −7B | −12N | 1.0 | 14.0 | 16.0 | 3.50 | 854 | -18.8 |
| 14 | Ribeiro, Renan Rego | 1610 | BRA | −3N | −4B | +16N | −6B | −7N | 1.0 | 13.0 | 13.0 | 0.00 | 823 | -19.2 |
| 15 | FIDE 538044633 | 0 | — | −9N | −6B | −7N | F | +16B | 1.0 | 8.5 | 8.5 | 0.00 | 856 | 0.0 |
| 16 | FIDE 538064707 | 0 | — | F | −12N | −14B | −10N | −15N | 0.0 | 6.0 | 6.0 | 0.00 | 821 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1De Jesus, Debora Jamilly GoesBRA+37.63.0 pts · #8
- 2Miranda, Ana Karolina MorenoBRA+18.82.0 pts · #10
- 3De Magalhaes, Gustavo A LinharesBRA+15.64.0 pts · #4
Top rating losers
- 1Alves, Vinicius De OliveiraBRA-47.62.0 pts · #14
- 2Ribeiro, Renan RegoBRA-19.21.0 pts · #16
- 3Silva, Guilherme Melo DaBRA-18.81.0 pts · #13