Regional Norte de Xadrez Amador Classico 2025 U2300
Open SwissStandard
15 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 1909, and top seed was Vitor Luis De Jesus Silverio (🇧🇷 BRA, 2083).
Vitor Luis De Jesus Silverio (🇧🇷 BRA, 2083) won with 4.0/5, ahead of Marcos Paulo De Souza Monteiro (3.5) and Liduino F Vasconcelos Junior (3.5). Silverio took the lead from round 4.
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×15
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsVitor Luis De Jesus Silverio led from R4; +0.5-point edge over the runner-up.
Co-leaders
3
2
1
1
1
R4 · LEADER CHANGE13 Sept
Vitor Luis De Jesus Silverio takes the sole lead (3.5/4).
R5 · HEAD-TO-HEAD · WINNER VS 2ND
Vitor Luis De Jesus Silverio drew with Marcos Paulo De Souza Monteiro (Black).
R1–R3 · WIN STREAK
Liduino F Vasconcelos Junior won 3 in a row (R1–R3).
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 | Silverio, Vitor Luis De Jesus | 2083 | BRA | +11N | =8B | +7N | +3B | =2N | 4.0 | 12.0 | 14.0 | 11.00 | 2181 | +23.6 |
| 2 | De Souza Monteiro, Marcos Paulo | 1942 | BRA | +14B | +4N | −3N | +5B | =1B | 3.5 | 14.0 | 14.0 | 8.50 | 2071 | +17.2 |
| 3 | Junior, Liduino F Vasconcelos | 2047 | BRA | +5B | +13N | +2B | −1N | =8N | 3.5 | 13.0 | 14.0 | 8.75 | 2056 | +1.2 |
| 4 | De Melo, Pedro Gortz | 1924 | BRA | =10N | −2B | +12N | +14B | +7N | 3.5 | 9.5 | 9.5 | 5.00 | 1919 | -0.8 |
| 5 | Neris, Aldrin Oliveira Diniz | 1811 | BRA | −3N | +11B | +9B | −2N | +13B | 3.0 | 11.0 | 12.0 | 5.00 | 1809 | -0.8 |
| 6 | Pires, Enzo Luis Albuquerque | 1826 | BRA | =12N | +10B | =8N | −7B | +9N | 3.0 | 9.0 | 10.5 | 6.00 | 1873 | +3.8 |
| 7 | Pessoa, Marcio de Souza | 1896 | BRA | =9B | +15N | −1B | +6N | −4B | 2.5 | 12.5 | 12.5 | 4.00 | 1864 | -3.0 |
| 8 | Machado, Hualason Jose Soares | 2008 | BRA | F | =1N | =6B | +13N | =3B | 2.5 | 11.5 | 11.5 | 6.25 | 1985 | -1.8 |
| 9 | Porto, Silvio Alves Lima | 0 | BRA | =7N | +12B | −5N | =10B | −6B | 2.0 | 10.5 | 12.0 | 3.75 | 1619 | 0.0 |
| 10 | Brandalise, Ricardo | 1713 | BRA | =4B | −6N | +15B | =9N | −11B | 2.0 | 10.5 | 10.5 | 2.75 | 1710 | -1.2 |
| 11 | Alves, Josue Pires | 1812 | BRA | −1B | −5N | F | +15B | +10N | 2.0 | 9.0 | 9.0 | 2.00 | 1808 | -1.0 |
| 12 | Alves, Davi Colares | 0 | BRA | =6B | −9N | −4B | F | +14N | 1.5 | 8.5 | 8.5 | 1.50 | 1831 | 0.0 |
| 13 | Domingues, Arthur Smith | 0 | BRA | F | −3B | +14N | −8B | −5N | 1.0 | 9.0 | 9.0 | 0.00 | 1710 | 0.0 |
| 14 | De Lima, Lucas Ribeiro | 1744 | BRA | −2N | F | −13B | −4N | −12B | 0.0 | 9.5 | 9.5 | 0.00 | 1133 | -20.0 |
| 15 | Alencar, Victor Tupac Lima | 1624 | BRA | F | −7B | −10N | −11N | F | 0.0 | 6.5 | 6.5 | 0.00 | 1007 | -32.4 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Silverio, Vitor Luis De JesusBRA+23.64.0 pts · #1
- 2De Souza Monteiro, Marcos PauloBRA+17.23.5 pts · #2
- 3Pires, Enzo Luis AlbuquerqueBRA+3.83.0 pts · #8
Top rating losers
- 1Alencar, Victor Tupac LimaBRA-32.40.0 pts · #14
- 2De Lima, Lucas RibeiroBRA-20.00.0 pts · #15
- 3Pessoa, Marcio de SouzaBRA-3.02.5 pts · #6