Campeonato Imperatrizense De Xadrez Absoluto 2025
Open SwissStandard
21 players participated in this 5-round tournament, held from 29 Nov 2025 to 30 Nov 2025 in Imperatriz MA, Brazil. Top 10 Elo average was 1927, and top seed was Israel Fillip da Silva Pontes (🇧🇷 BRA, 2044).
Nilton Silva Abreu (🇧🇷 BRA, 1908) won with 3.5/5, ahead of Daniel Da Silva Sousa (3.5) and Marcelo Cunha Guimaraes (3.5). Abreu shared the lead from round 1, winning on tie-break.
Location
🇧🇷Imperatriz MA, Brazil
Dates
29 Nov 2025 → 30 Nov 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Federations · 1 represented
🇧🇷Brazil×13
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsTight race until R5; 3 players tied at 3.5/5, decided on Buchholz. Title race narrowed from 4 co-leaders at R4 to 3 at the finish.
Co-leaders
9
2
3
4
3
R5 · TIEBREAK CLUSTER
3 players finish on 3.5/5. Abreu takes the title on Buchholz Cut1 (12.5).
R1–R5 · UNBEATEN
Marcelo Cunha Guimaraes went unbeaten across 5 games (R1–R5).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Marcelo Cunha Guimaraes | * | — | — | ½ |
| 2Daniel Da Silva Sousa | — | * | ½ | — |
| 3Nilton Silva Abreu | — | ½ | * | ½ |
| 4Israel Fillip da Silva Pontes | ½ | — | ½ | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Abreu, Nilton Silva | 1908 | BRA | +8B | +18N | =4B | =5N | =2B | 3.5 | 12.5 | 13.5 | 8.75 | 1944 | +1.8 |
| 2 | Sousa, Daniel Da Silva | 0 | BRA | +?B | =11N | +12B | =4N | =1N | 3.5 | 10.5 | 10.5 | 6.25 | 1918 | 0.0 |
| 3 | Guimaraes, Marcelo Cunha | 2023 | BRA | +15B | =6N | =11B | +13N | =5B | 3.5 | 10.0 | 12.0 | 8.00 | 2027 | +0.2 |
| 4 | Dos Santos, Bruno Mendes | 1842 | BRA | +19N | +7B | =1N | =2B | −9N | 3.0 | 13.0 | 13.0 | 6.50 | 1908 | +11.2 |
| 5 | Pontes,Israel Fillip da Silva | 2044 | BRA | F | +13B | +9N | =1B | =3N | 3.0 | 12.0 | 12.0 | 8.50 | 2120 | +7.4 |
| 6 | Lopes, Joao Vitor Carvalho | 1883 | BRA | +14N | =3B | =10N | =7B | =12B | 3.0 | 11.0 | 13.0 | 7.50 | 1937 | +12.0 |
| 7 | Nascimento, Joilson Dos Santos | 1926 | BRA | +17B | −4N | +8B | =6N | =11B | 3.0 | 11.0 | 13.0 | 7.50 | 1753 | -28.0 |
| 8 | Da Silva,Felipe Bandeira | 0 | BRA | −1N | +19B | −7N | +20N | +15B | 3.0 | 8.5 | 8.5 | 2.00 | 1117 | 0.0 |
| 9 | Silva, Valdecir Batista | 1889 | BRA | F | +21N | −5B | +16N | +4B | 3.0 | 8.0 | 8.0 | 5.00 | 1944 | +2.8 |
| 10 | Cardoso Da Silva,Roberto | 1867 | BRA | +20B | =12N | =6B | =11N | −13B | 2.5 | 9.0 | 9.0 | 3.50 | 1816 | -6.0 |
| 11 | Pinto Filho, Joao Moreira | 1909 | BRA | F | =2B | =3N | =10B | =7N | 2.0 | 12.5 | 12.5 | 6.25 | 1939 | +2.2 |
| 12 | Da Silva, Jose Zenildo Eugenio | 1931 | BRA | F | =10B | −2N | +14B | =6N | 2.0 | 11.0 | 11.0 | 4.75 | 1875 | -3.2 |
| 13 | Batista, Francisco De Araujo | 1889 | BRA | +16B | −5N | F | −3B | +10N | 2.0 | 11.0 | 11.0 | 4.50 | 1853 | -2.8 |
| 14 | FIDE 538047365 | 0 | — | −6B | +15N | +17B | −12N | −16B | 2.0 | 9.0 | 11.0 | 4.00 | 1107 | 0.0 |
| 15 | FIDE 538060787 | 0 | — | −3N | −14B | +19N | +?B | −8N | 2.0 | 8.5 | 8.5 | 0.00 | 1223 | 0.0 |
| 16 | FIDE 538020939 | 0 | — | −13N | +?B | F | −9B | +14N | 2.0 | 8.0 | 8.0 | 2.00 | 1089 | 0.0 |
| 17 | FIDE 538060850 | 0 | — | −7N | +20B | −14N | −?B | +?N | 2.0 | 5.0 | 5.0 | 0.00 | 1154 | 0.0 |
| 18 | FIDE 44763921 | 0 | — | +?N | −1B | F | F | F | 1.0 | 5.5 | 5.5 | 0.00 | 1108 | 0.0 |
| 19 | FIDE 538020947 | 0 | — | −4B | −8N | −15B | F | −?N | 0.0 | 8.0 | 8.0 | 0.00 | 1112 | 0.0 |
| 20 | FIDE 44764014 | 0 | — | −10N | −17N | F | −8B | F | 0.0 | 7.5 | 7.5 | 0.00 | 1067 | 0.0 |
| 21 | FIDE 538064901 | 0 | — | F | −9B | F | F | F | 0.0 | 5.0 | 5.0 | 0.00 | 1089 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Lopes, Joao Vitor CarvalhoBRA+12.03.0 pts · #4
- 2Dos Santos, Bruno MendesBRA+11.23.0 pts · #7
- 3Pontes,Israel Fillip da SilvaBRA+7.43.0 pts · #1
Top rating losers
- 1Nascimento, Joilson Dos SantosBRA-28.03.0 pts · #10
- 2Cardoso Da Silva,RobertoBRA-6.02.5 pts · #5
- 3Da Silva, Jose Zenildo EugenioBRA-3.22.0 pts · #12