MOAZAMBIQUE CHESS OPEN 2025 - OPEN SECTION
Open SwissStandard
63 players participated in this 7-round tournament, held from 20 Jun 2025 to 22 Jun 2025 in Maputo, Mozambique. 16 titled players from 7 federations. Top 10 Elo average was 2113, and top seed was Providence Oatlhotse (🇧🇼 BOT, IM, 2241).
Donaldo Paiva (🇲🇿 MOZ, FM, 2131) won with 6.5/7, ahead of Johannes Manyedi Mabusela (5.5) and Providence Oatlhotse (5.5). Paiva won solo starting round 6.
The biggest upset came in round 4: Emanuel de Marques Mondlane Mavale Malua (1743) beat Pedro Lucas Chambule (CM, 2004), a +261-point gap.
Location
🇲🇿Maputo, Mozambique
Dates
20 Jun 2025 → 22 Jun 2025
Time control
Standard: 90 minutes for first 40 moves and 15 min. for the rest of the game with 30 sec. increment from move 1
System
Swiss · 7 rounds
Titled players · 16
IM×2
FM×4
CM×10
Federations · 7 represented
🇲🇿Mozambique×42
🇿🇦South Africa×9
🇲🇼Malawi×2
🇸🇿Eswatini×2
🇧🇼Botswana×2
🇿🇼Zimbabwe×1
🇵🇹Portugal×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsFM Donaldo Paiva led from R6; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R6.
Co-leaders
21
11
4
2
2
1
1
R6–R7 · LEAD HELD
FM Donaldo Paiva never relinquished the lead after R6; final gap +1.0 over the runner-up.
R5 · HEAD-TO-HEAD · WINNER VS 2ND
FM Donaldo Paiva drew with IM Johannes Manyedi Mabusela (White).
WIN STREAKS · 3 top finishers
FM Donaldo Paiva 4 wins (R1–R4)IM Johannes Manyedi Mabusela 3 wins (R1–R4)IM Providence Oatlhotse 3 wins (R5–R7)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1FMDonaldo Paiva | * | ½ | — | — |
| 2IMJohannes Manyedi Mabusela | ½ | * | — | — |
| 3IMProvidence Oatlhotse | — | — | * | — |
| 4CMGeorge Mwale | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Paiva, DonaldoFM | 2131 | MOZ | +42N | +32B | +11N | +31B | =2B | +8N | +13B | 6.5 | 24.5 | 27.0 | 24.25 | 2433 | +40.0 |
| 2 | Mabusela, Johannes ManyediIM | 2109 | RSA | +26B | +52N | F | +9B | =1N | +4B | +16N | 5.5 | 27.0 | 28.5 | 21.75 | 2371 | +30.6 |
| 3 | Oatlhotse, ProvidenceIM | 2241 | BOT | +36B | =6N | =22B | =23N | +44B | +15N | +9B | 5.5 | 23.5 | 25.5 | 19.50 | 2143 | -10.4 |
| 4 | Nyambalo, Joseph XavierCM | 1964 | MAW | +48N | +35B | +10N | +14B | =8B | −2N | =6B | 5.0 | 26.5 | 28.5 | 18.25 | 2057 | +20.6 |
| 5 | Mwale, GeorgeCM | 2041 | MAW | +41N | =14B | +15N | =17B | −7N | +30B | +32N | 5.0 | 23.5 | 26.0 | 17.00 | 2019 | +0.2 |
| 6 | Vasco Mateus Felizardo Viageiro | 1930 | MOZ | +62N | =3B | −14N | +54B | +32N | +10B | =4N | 5.0 | 23.0 | 23.0 | 13.75 | 2057 | +20.0 |
| 7 | Chunguane, Ilidio AlbertoCM | 1913 | MOZ | +51B | −8N | +60B | +53N | +5B | −13N | +31N | 5.0 | 19.0 | 19.0 | 10.50 | 2075 | +21.4 |
| 8 | Mhango, BaneleFM | 2236 | RSA | F | +7B | +18N | +13B | =4N | −1B | +11N | 4.5 | 29.0 | 29.0 | 20.00 | 2208 | -2.8 |
| 9 | Andrade, IvanFM | 2144 | MOZ | +54B | +19N | +16B | −2N | =27N | +52B | −3N | 4.5 | 24.0 | 25.0 | 12.25 | 2080 | -7.8 |
| 10 | Selepe, Lwazi | 2029 | RSA | +53B | +47N | −4B | =22N | +23B | −6N | +24B | 4.5 | 22.5 | 23.5 | 11.75 | 1922 | -15.8 |
| 11 | Calicoca, Wilton InacioFM | 1998 | MOZ | +55B | +60N | −1B | =36N | +24B | +22N | −8B | 4.5 | 22.0 | 22.0 | 9.50 | 1942 | -5.2 |
| 12 | Napoleao, LourencoCM | 1966 | MOZ | +46B | +61N | −13N | −47B | =14N | +44B | +40N | 4.5 | 16.5 | 16.5 | 8.50 | 1792 | -20.8 |
| 13 | Mazibuko, KhanyaCM | 2081 | RSA | +40B | +23N | +12B | −8N | F | +7B | −1N | 4.0 | 28.0 | 30.5 | 15.50 | 2081 | +3.0 |
| 14 | Alberto Ananias Pambo | 1772 | MOZ | F | =5N | +6B | −4N | =12B | +34N | +15B | 4.0 | 26.5 | 26.5 | 16.75 | 2034 | +82.0 |
| 15 | Joao FarisseCM | 1937 | MOZ | +45B | +24N | −5B | +41N | +17N | −3B | −14N | 4.0 | 24.5 | 26.5 | 12.00 | 1924 | +0.6 |
| 16 | Jamal, Hamid Harmon GulamoCM | 2008 | MOZ | F | +33B | −9N | +28B | +47N | +31B | −2B | 4.0 | 21.5 | 21.5 | 11.50 | 2034 | +4.8 |
| 17 | Masango, Spencer | 2107 | ZIM | F | =22N | +57B | =5N | −15B | +27B | +19N | 4.0 | 21.0 | 21.0 | 12.75 | 2028 | -9.8 |
| 18 | Chambule, Pedro LucasCM | 2004 | MOZ | +34N | F | −8B | −20N | +25B | +42N | +33B | 4.0 | 20.5 | 20.5 | 12.00 | 1819 | -16.2 |
| 19 | Mpya, Tshediso M | 1908 | RSA | +63N | −9B | +34N | +55B | F | +20N | −17B | 4.0 | 20.5 | 20.5 | 8.00 | 1914 | +2.8 |
| 20 | Emanuel de Marques Mondlane Mavale Malua | 1743 | MOZ | F | +62B | +59N | +18B | −31N | −19B | +34N | 4.0 | 14.0 | 14.0 | 7.00 | 1886 | +28.0 |
| 21 | Cossa, Manuel Roque | 0 | MOZ | F | =44B | =40N | =45B | =29N | +51B | +54N | 4.0 | 12.5 | 12.5 | 7.50 | 1630 | 0.0 |
| 22 | Chirindza, Rafael Bernardo | 1857 | MOZ | +25N | =17B | =3N | =10B | +40N | −11B | −26N | 3.5 | 25.5 | 28.0 | 13.00 | 1894 | +2.8 |
| 23 | Cardoso, Bruno Artur | 1807 | MOZ | F | −13B | +33N | =3B | −10N | +45B | +52N | 3.5 | 20.5 | 20.5 | 9.25 | 1942 | +15.6 |
| 24 | Cossa, Remigio Enoque | 1772 | MOZ | +50N | −15B | +54N | =52B | −11N | +28B | −10N | 3.5 | 20.0 | 21.0 | 7.25 | 1824 | +14.0 |
| 25 | Fernandes, Miguel Eduardo Taibo | 0 | MOZ | −22B | +26N | +38B | −44N | −18N | +55B | =42B | 3.5 | 18.5 | 19.5 | 8.75 | 1740 | 0.0 |
| 26 | Mahassule, Jubilio Alberto | 1679 | MOZ | −2N | −25B | F | +59N | =39B | +35N | +22B | 3.5 | 18.5 | 18.5 | 8.00 | 1923 | +50.0 |
| 27 | Mthunzi, Clive | 1971 | RSA | +44N | +59B | F | +42N | =9B | −17N | F | 3.5 | 18.5 | 18.5 | 6.75 | 1971 | +2.8 |
| 28 | Dlamini SimphiweCM | 1778 | SWZ | F | +45N | +61B | −16N | =35B | −24N | +37B | 3.5 | 15.5 | 15.5 | 6.50 | 1654 | -14.0 |
| 29 | Simbinde, Millert Verdial Arao | 0 | MOZ | F | −46N | +58B | +48N | =21B | =36N | =41B | 3.5 | 14.0 | 14.0 | 7.25 | 1611 | 0.0 |
| 30 | Malinga Lunga | 1742 | SWZ | F | −51N | +46B | +60N | +37B | −5N | =43B | 3.5 | 14.0 | 14.0 | 6.25 | 1736 | -1.4 |
| 31 | Mahlangu, SelloCM | 2015 | RSA | +43N | F | +37B | −1N | +20B | −16N | −7B | 3.0 | 25.0 | 25.0 | 9.50 | 1812 | -24.6 |
| 32 | Simon, Bokamoso | 1906 | BOT | F | −1N | +51B | +37N | −6B | +53N | −5B | 3.0 | 22.0 | 22.0 | 5.50 | 1744 | -16.6 |
| 33 | Massungue, Osvaldo Abel Abrao | 0 | MOZ | F | −16N | −23B | +38N | +41B | +47B | −18N | 3.0 | 20.0 | 22.0 | 7.50 | 1841 | 0.0 |
| 34 | Jacinto, Humberto Fonseca | 1618 | POR | −18B | +49N | −19B | +61N | +56N | −14B | −20B | 3.0 | 19.0 | 19.0 | 3.00 | 1528 | -25.2 |
| 35 | Herminio, Jonnson Carlos | 1656 | MOZ | +56B | −4N | −36B | +58N | =28N | −26B | =44N | 3.0 | 18.0 | 18.5 | 4.25 | 1497 | -40.0 |
| 36 | Lukhwareni, Nkhumbuleni | 1714 | RSA | −3N | +63B | +35N | =11B | −52N | =29B | F | 3.0 | 18.0 | 18.0 | 7.00 | 1821 | +7.6 |
| 37 | Nhamue, Darso Alberto | 0 | MOZ | +49B | +58N | −31N | −32B | −30N | +46B | −28N | 3.0 | 17.0 | 17.5 | 4.50 | 1607 | 0.0 |
| 38 | Cassamo, Osvaldo | 1810 | MOZ | F | +48B | −25N | −33B | =51N | +58B | =57N | 3.0 | 14.0 | 14.5 | 3.75 | 1793 | -1.2 |
| 39 | Langa, Mario Emerson | 1732 | MOZ | F | +43B | F | +51N | =26N | −40B | =45N | 3.0 | 13.0 | 13.0 | 6.75 | 1621 | -23.6 |
| 40 | Zavala, Fernando | 1663 | MOZ | −13N | F | =21B | +57N | −22B | +39N | −12B | 2.5 | 20.0 | 20.0 | 6.00 | 1783 | +24.8 |
| 41 | Modisaotsile, Botlhale | 1651 | RSA | −5B | F | +50N | −15B | −33N | +49B | =29N | 2.5 | 19.5 | 19.5 | 5.75 | 1672 | -1.0 |
| 42 | Mabote, Sa Adolfo | 1680 | MOZ | −1B | F | +56N | −27B | +55N | −18B | =25N | 2.5 | 19.5 | 19.5 | 3.75 | 1720 | +1.2 |
| 43 | Langa, Domingos | 1627 | MOZ | −31B | −39N | F | −56B | +59B | +48N | =30N | 2.5 | 12.5 | 12.5 | 3.75 | 1670 | +3.6 |
| 44 | Bulande, Bento | 1566 | MOZ | −27B | =21N | F | +25B | −3N | −12N | =35B | 2.0 | 24.0 | 24.0 | 7.00 | 1566 | -4.8 |
| 45 | Herminigildo Albazino Bento Junior | 1529 | MOZ | −15N | −28B | F | =21N | +57B | −23N | =39B | 2.0 | 19.0 | 19.0 | 4.50 | 1632 | +20.0 |
| 46 | Macucha, Carlos Manuel | 1540 | MOZ | −12N | +29B | −30N | −49B | +61B | −37N | −50B | 2.0 | 18.5 | 18.5 | 3.50 | 899 | -39.6 |
| 47 | Carquete, Galilei | 1765 | MOZ | F | −10B | F | +12N | −16B | −33N | +53B | 2.0 | 17.0 | 17.0 | 5.50 | 1912 | +14.4 |
| 48 | Zimba, Domingos Fabiao | 1540 | MOZ | −4B | −38N | F | −29B | +50N | −43B | +56N | 2.0 | 17.0 | 17.0 | 3.00 | 992 | -25.2 |
| 49 | Mangumo, Helder Moiseis | 1414 | MOZ | −37N | −34B | F | +46N | −53B | −41N | +58B | 2.0 | 12.0 | 12.0 | 2.50 | 1420 | +0.8 |
| 50 | Machava, Armando Bernardo | 0 | MOZ | −24B | −55N | −41B | F | −48B | +59N | +46N | 2.0 | 11.0 | 11.0 | 2.00 | 1380 | 0.0 |
| 51 | Alexandre, Eminencio da Cruz | 0 | MOZ | −7N | +30B | −32N | −39B | =38B | −21N | F | 1.5 | 21.5 | 21.5 | 5.00 | 1672 | 0.0 |
| 52 | Uamusse, Stelio Henriques | 1865 | MOZ | F | −2B | F | =24N | +36B | −9N | −23B | 1.5 | 20.0 | 20.0 | 4.75 | 1760 | -30.8 |
| 53 | Manhonha, Viegas Rocha | 1645 | MOZ | −10N | F | F | −7B | +49N | −32B | −47N | 1.0 | 19.5 | 19.5 | 2.00 | 1565 | -22.8 |
| 54 | Manuel Antonio Jemusse | 1681 | MOZ | −9N | F | −24B | −6N | F | +56B | −21B | 1.0 | 18.0 | 18.0 | 1.00 | 1128 | -26.0 |
| 55 | Manjate, Gil Filipe | 1597 | MOZ | −11N | +50B | F | −19N | −42B | −25N | F | 1.0 | 16.5 | 16.5 | 2.00 | 1062 | -24.4 |
| 56 | Machava, Judencio Bernardo | 0 | MOZ | −35N | F | −42B | +43N | −34B | −54N | −48B | 1.0 | 14.0 | 14.0 | 2.50 | 1361 | 0.0 |
| 57 | Chiloveque, Barth | 1660 | MOZ | =58B | F | −17N | −40B | −45N | F | =38B | 1.0 | 12.0 | 12.0 | 1.75 | 1444 | -42.4 |
| 58 | Ocuane, Quingue Jamissiane | 0 | MOZ | =57N | −37B | −29N | −35B | F | −38N | −49N | 0.5 | 15.5 | 15.5 | 0.50 | 1313 | 0.0 |
| 59 | Salela, Cesar | 0 | MOZ | F | −27N | −20B | −26B | −43N | −50B | F | 0.0 | 19.0 | 19.0 | 0.00 | 952 | 0.0 |
| 60 | FIDE 14805693 | 0 | — | F | −11B | −7N | −30B | F | F | F | 0.0 | 18.0 | 18.0 | 0.00 | 1084 | 0.0 |
| 61 | FIDE 14351862 | 0 | — | F | −12B | −28N | −34B | −46N | F | F | 0.0 | 14.0 | 14.0 | 0.00 | 925 | 0.0 |
| 62 | FIDE 14807866 | 0 | — | −6B | −20N | F | F | F | F | F | 0.0 | 12.5 | 12.5 | 0.00 | 1037 | 0.0 |
| 63 | FIDE 14807769 | 0 | — | −19B | −36N | F | F | F | F | F | 0.0 | 8.5 | 8.5 | 0.00 | 1011 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Alberto Ananias PamboMOZ+82.04.0 pts · #13
- 2Mahassule, Jubilio AlbertoMOZ+50.03.5 pts · #24
- 3Paiva, DonaldoFMMOZ+40.06.5 pts · #1
Top rating losers
- 1Chiloveque, BarthMOZ-42.41.0 pts · #52
- 2Herminio, Jonnson CarlosMOZ-40.03.0 pts · #50
- 3Macucha, Carlos ManuelMOZ-39.62.0 pts · #60
Biggest upsets
- R4+261 Elo gap
- R4+201 Elo gap
- R7+178 Elo gap