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| Date | Chess tournament name | Status |
|---|---|---|
| 2021-12-03 to 2021-12-05 | 2021 Debswana Developmental Botswana International Open _ Open Section Gaborone, Botswana ![]() |
Finished |
| 2020-10-31 to 2020-11-01 | 2020 DEBSWANA INTENATIONAL OPEN CHESS CHAMPIONSHIP-OPEN SOUTH ![]() |
Finished |
| 2020-10-07 to 2020-11-29 | Debswana Chess League 2020 ![]() |
Finished |
| 2020-02-15 to 2020-02-16 | Metropolitan Chess Championship 1st qualifiers -Open ![]() |
Finished |
| 2019-11-02 to 2019-11-02 | 2019 KOBE RAPID CHESS CHAMPIONSHIP ![]() |
Finished |
| 2019-08-24 to 2019-08-24 | 2019 ROSCOE BONNA BLITZ ![]() |
Finished |
| 2019-06-22 to 2019-06-22 | 2019 WINTER BLITZ ![]() |
Finished |
| Date | Players & Opening | Result | ECO | View |
|---|---|---|---|---|
| No results | No results | No results | No results | No results |
| Date | Players & Opening | Result | ECO | View |
|---|---|---|---|---|
| 2010.02.22 | Usai, Heitor vs Luz, Heitor Carvalh Brazil Open King's Indian Petrosian - Petrosian |
0-1 | E93 | |
| 2010.02.21 | Castro, Edmar Amado vs Usai, Heitor Brazil Open Sicilian Paulsen |
1-0 | B43 | |
| 2010.02.20 | Usai, Heitor vs De Martin, Beat Brazil Open King's Indian Classical - Petrosian |
1/2-1/2 | E92 | |
| 2010.02.20 | Ferreira, Jos (1968) vs Usai, Heitor Brazil Open Sicilian |
1-0 | B40 | |
| 2010.02.19 | Usai, Heitor vs (1923) Costa, G. Brazil Open Gruenfeld Three Knights (Petrosian) |
1/2-1/2 | D91 |