PLAYER PAGE
Jakob Dumisani Mnguni
192023485Tshwane (GTP)Personal
Main rating
| Rating | 2161.3 |
| K-factor | 16 |
| Floor | 1724.8 |
| Highest | 2224.8 (2020-12-01) |
| Min/Max +/- allowed | 39 |
| Rating Change () | |
| Games | 5 |
| Score | 4 |
| We | 4.91 |
| SWe | -0.75 |
| Temp +/- | -12 |
| Penalties | 0 |
| Weight perform | 1960 |
| Final +/- | -12 |
| New Rating () | |
| Rating | 2149.2 |
| K-factor | 16 |
| Floor | 1724.8 |
| Highest | 2224.8 (2020-12-01) |
| Min/Max +/- allowed | 38.5 |
Standard rating
| Rating | 2174.8 |
| K-factor | 16 |
| Floor | 1732.4 |
| Highest | 2384.4 (2018-01-01) |
| Min/Max +/- allowed | 30.7 |
| Rating Change () | |
| Games | 5 |
| Score | 4 |
| We | 4.95 |
| SWe | -0.95 |
| Temp +/- | -15.2 |
| Penalties | 0 |
| Weight perform | 1990.6 |
| Final +/- | -15.2 |
| New Rating () | |
| Rating | 2159.5 |
| K-factor | 16 |
| Floor | 1732.4 |
| Highest | 2384.4 (2018-01-01) |
| Min/Max +/- allowed | 30.7 |
Rapid rating
| Rating | 2114.5 |
| K-factor | 16 |
| Floor | 1711.4 |
| Highest | 2211.4 (2019-06-01) |
| Min/Max +/- allowed | 39.2 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1834.4 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 2114.5 |
| K-factor | 16 |
| Floor | 1711.4 |
| Highest | 2211.4 (2019-06-01) |
| Min/Max +/- allowed | 39.2 |
Blitz rating
| Rating | 2097.4 |
| K-factor | 16 |
| Floor | 1706.3 |
| Highest | 2206.3 (2018-02-01) |
| Min/Max +/- allowed | 39.5 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1771.5 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 2097.4 |
| K-factor | 16 |
| Floor | 1706.3 |
| Highest | 2206.3 (2018-02-01) |
| Min/Max +/- allowed | 39.5 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 Blou Bull Chess Tournament (A) | Standard | 2026-02-21 | 2026-02-21 | Tshwane (GTP) | 5 | 2161.3 | 0 | 0 | 0 | 0 | Details |
| 2 | Nkangala Chess Open 2026 (Open) | Standard | 2026-02-26 | 2026-02-26 | Nkangala | 5 | 2161.3 | 5 | 4 | 1877.7 | -12 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Ekurhuleni 1st Standard Tournament 2026 (A) | Standard | 2026-02-14 | 2026-02-14 | Ekurhuleni (GE) | 5 | 2164.8 | 1 | 0 | 1408.7 | 0 | Details |
| 2 | MCA Welcome JHB 2026 (Expert) | Standard | 2026-02-07 | 2026-02-07 | Johannesburg Metro (GJM) | 5 | 2164.8 | 5 | 2.5 | 2054.3 | 0 | Details |
| 3 | 2026 Tshwane Chess Registration Tournament (A) | Standard | 2026-01-31 | 2026-01-31 | Tshwane (GTP) | 5 | 2164.8 | 5 | 4 | 2112 | 0 | Details |
| 4 | 2026 JMC Kick off Tournament (A) | Standard | 2026-02-01 | 2026-02-01 | Johannesburg Metro (GJM) | 5 | 2164.8 | 5 | 3.5 | 2029.8 | 0 | Details |
| 5 | USSA Chess Championships 2025 (Blitz) | Blitz | 2025-12-03 | 2025-12-03 | Johannesburg Metro (GJM) | 9 | 2166.8 | 9 | 5 | 1888.2 | 0 | Details |
| 6 | Gauteng Inter-Region at Emerald Resort 2025 (Adults+Seniors) | Standard | 2025-12-06 | 2025-12-07 | Sedibeng (GSV) | 5 | 2166.8 | 3 | 2.5 | 2305.7 | 0 | Details |
| 7 | Bojanala's Battle Of Mount Cambridge 2025 (Queens) | Standard | 2025-10-11 | 2025-10-11 | Bojanala Platina (NBR) | 5 | 2168.3 | 5 | 4 | 2202.8 | 0 | Details |
| 8 | 2025 Centurion Chess Open Tournament (A) | Standard | 2025-09-27 | 2025-09-27 | Tshwane (GTP) | 5 | 2169 | 5 | 3.5 | 2139.3 | 0 | Details |
| 9 | Ekurhuleni Trial 4 2025 (A) | Standard | 2025-09-21 | 2025-09-21 | Ekurhuleni (GE) | 5 | 2169 | 5 | 2 | 1871.7 | 0 | Details |
| 10 | Tshwane Chess Club Clash 2025 (Prestige) | Standard | 2025-09-13 | 2025-09-13 | Tshwane (GTP) | 5 | 2169 | 5 | 4.5 | 2267.8 | 0 | Details |
| 11 | MCA Winter Chill Classic 2025 (Expert) | Standard | 2025-07-19 | 2025-07-19 | Johannesburg Metro (GJM) | 5 | 2165.8 | 4 | 2.5 | 2198.5 | 0 | Details |
| 12 | South African Open 2025 (Blitz) | Blitz | 2025-07-02 | 2025-07-02 | Johannesburg Metro (GJM) | 9 | 2165.8 | 8 | 6 | 1938 | 0 | Details |
| 13 | Ekurhuleni Trial 2 2025 (A) | Standard | 2025-06-21 | 2025-06-21 | Ekurhuleni (GE) | 5 | 2172.4 | 5 | 2 | 1874.5 | 0 | Details |
| 14 | Najdorf Movement 2025 (Championship) | Standard | 2025-06-14 | 2025-06-16 | Bojanala Platina (NBR) | 7 | 2172.4 | 7 | 5.5 | 2102.2 | 0 | Details |
| 15 | Mzansi Africa Classic 2025 (Expert) | Standard | 2025-05-17 | 2025-05-17 | Johannesburg Metro (GJM) | 5 | 2182.1 | 5 | 4 | 2297.8 | 0 | Details |
| 16 | Moja Chess Extravaganza 2025 (Prestige) | Classical | 2025-04-26 | 2025-05-01 | Johannesburg Metro (GJM) | 9 | 2182.1 | 8 | 4.5 | 2216.7 | 0 | Details |
| 17 | Moja Chess Extravaganza 2025 (Blitz) | Blitz | 2025-04-26 | 2025-04-26 | Johannesburg Metro (GJM) | 7 | 2182.1 | 7 | 5.5 | 1857.6 | 0 | Details |
| 18 | JMC Crawford Sandton 2025 (A) | Standard | 2025-05-10 | 2025-05-10 | Johannesburg Metro (GJM) | 5 | 2182.1 | 5 | 3.5 | 2193.9 | 0 | Details |
| 19 | 2025 KZN Open (A) | Standard | 2025-05-02 | 2025-05-04 | Ethekwini (KED) | 7 | 2182.1 | 7 | 4.5 | 1901.3 | 0 | Details |
| 20 | Mpumalanga Open Chess Championship 2025 (Prestige) | Standard | 2025-04-19 | 2025-04-19 | Ehlanzeni (MEN) | 5 | 2191.6 | 5 | 4 | 2067.3 | 0 | Details |
| 21 | 2025 Mid Gauteng Open Chess Tournament (A) | Standard | 2025-04-12 | 2025-04-12 | Tshwane (GTP) | 5 | 2191.6 | 5 | 4 | 2119.9 | 0 | Details |
| 22 | Lenasia Chess Academy Rapid Rated 2025 (A) | Rapid | 2025-04-06 | 2025-04-06 | Johannesburg Metro (GJM) | 7 | 2191.6 | 7 | 5 | 1954.1 | 0 | Details |
| 23 | 2025 Ethekwini Open (A) | Standard | 2025-03-21 | 2025-03-22 | Ethekwini (KED) | 6 | 2176.2 | 6 | 5.5 | 2139.3 | 0 | Details |
| 24 | MCA Summer March 2025 (Expert) | Standard | 2025-03-08 | 2025-03-08 | Johannesburg Metro (GJM) | 5 | 2176.2 | 5 | 4 | 2278.7 | 0 | Details |
| 25 | JMC Rapid The Bridge School 2025 (Open) | Rapid | 2025-02-23 | 2025-02-23 | Johannesburg Metro (GJM) | 7 | 2164 | 7 | 6 | 2097.7 | 0 | Details |
| 26 | JMC Kick Off 2025 (A) | Standard | 2025-02-02 | 2025-02-02 | Johannesburg Metro (GJM) | 5 | 2164 | 5 | 4.5 | 2315.7 | 0 | Details |
| 27 | Seshego New Year Chess Tournament 2025 (Open) | Rapid | 2025-01-18 | 2025-01-18 | Capricorn (LCP) | 6 | 2154.7 | 6 | 5.5 | 2256.3 | 0 | Details |
| 28 | USSA Chess Championships 2024 (Blitz) | Blitz | 2024-12-01 | 2024-12-01 | Tshwane (GTP) | 9 | 2156.5 | 9 | 6.5 | 2019.5 | 0 | Details |
| 29 | CPH Boksburg Open 2024 (Prestige 1) | Standard | 2024-10-25 | 2024-10-26 | Ekurhuleni (GE) | 5 | 2182.3 | 2 | 0 | 1735.1 | 0 | Details |
| 30 | Laerskool Doringkloof Primary Open Chess Tournament 2024 (A) | Standard | 2024-10-19 | 2024-10-19 | Tshwane (GTP) | 5 | 2182.3 | 5 | 3 | 1988.2 | 0 | Details |
| 31 | 2024 Tshwane Chess Club Clash (Prestige) | Standard | 2024-10-12 | 2024-10-12 | Tshwane (GTP) | 5 | 2182.3 | 5 | 4.5 | 2235.9 | 0 | Details |
| 32 | 2024 Moja Chess Extravaganza (Prestige) | Classical | 2024-09-25 | 2024-09-29 | Frances Baard (NCF) | 9 | 2164.8 | 9 | 6.5 | 2252.1 | 0 | Details |
| 33 | Centurion Chess Open Tournament 2024 (A) | Standard | 2024-09-21 | 2024-09-21 | Tshwane (GTP) | 5 | 2164.8 | 5 | 4 | 2128 | 0 | Details |
| 34 | JCC Khelo India 1st Annual Chess Tournament 2024 (Pestige) | Standard | 2024-08-31 | 2024-08-31 | Johannesburg Metro (GJM) | 5 | 2164.8 | 5 | 3.5 | 2226.5 | 0 | Details |
| 35 | Bojanala's FIDE In The Sparkling Waters 2024 (Prestige) | Classical | 2024-08-16 | 2024-08-18 | Bojanala Platina (NBR) | 6 | 2168 | 0 | 0 | 0 | 0 | Details |
| 36 | Bojanala's Kings & Queens Rapid and Doubles 2024 (Open) | Rapid | 2024-08-10 | 2024-08-10 | Bojanala Platina (NBR) | 7 | 2168 | 7 | 6 | 1979.6 | 0 | Details |
| 37 | JNW Rapid - Helpmekaar Kollege 2024 | Rapid | 2024-07-28 | 2024-07-28 | Johannesburg Metro (GJM) | 7 | 2180.7 | 7 | 5.5 | 2108.5 | 0 | Details |
| 38 | Eureka Open 27 July 2024 (A) | Standard | 2024-07-27 | 2024-07-27 | Sedibeng (GSV) | 5 | 2180.7 | 5 | 3 | 2004.1 | 0 | Details |
| 39 | Evaton Primary Open 20 July 2024 (A) | Rapid | 2024-07-20 | 2024-07-20 | Sedibeng (GSV) | 5 | 2180.7 | 5 | 4 | 2181.5 | 0 | Details |
| 40 | JMC NG Weltevreden Church 2024 | Rapid | 2024-06-29 | 2024-06-29 | Johannesburg Metro (GJM) | 7 | 2180.7 | 7 | 6 | 2111.6 | 0 | Details |
| 41 | Midvaal Winter Classic 13 July 2024 (A) | Rapid | 2024-07-13 | 2024-07-13 | Sedibeng (GSV) | 7 | 2180.7 | 7 | 5.5 | 2065.4 | 0 | Details |
| 42 | 2024 Elise Steenkamp Open Chess Tournament (Kings) | Standard | 2024-06-15 | 2024-06-17 | Tshwane (GTP) | 7 | 2168.3 | 7 | 6.5 | 2140.8 | 0 | Details |
| 43 | FIDE in the West 2024 (Open) | Standard | 2024-06-08 | 2024-06-08 | West Rand (GWR) | 5 | 2168.3 | 5 | 5 | 2206.9 | 0 | Details |
| 44 | 2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (Prestige) | Standard | 2024-06-01 | 2024-06-01 | Tshwane (GTP) | 5 | 2168.3 | 5 | 3.5 | 2037.4 | 0 | Details |
| 45 | Chess Power House May Open 2024 (A) | Standard | 2024-05-25 | 2024-05-25 | Johannesburg Metro (GJM) | 5 | 2187.2 | 4 | 2 | 1955.2 | 0 | Details |
| 46 | JMC Crawford International Sandton 2024 (A) | Standard | 2024-05-11 | 2024-05-11 | Johannesburg Metro (GJM) | 5 | 2187.2 | 5 | 4 | 2060.1 | 0 | Details |
| 47 | 2024 Silver Lakes Open Chess Tournament (Prestige) | Standard | 2024-04-20 | 2024-04-20 | Tshwane (GTP) | 5 | 2159.4 | 5 | 4 | 2115.1 | 0 | Details |
| 48 | 2024 Milos Ristic Open Chess Tournament (Prestige) | Standard | 2024-04-27 | 2024-04-27 | Tshwane (GTP) | 5 | 2159.4 | 5 | 5 | 2225.7 | 0 | Details |
| 49 | South African Closed Chess Championship 2024 (Open) | Classical | 2024-03-25 | 2024-04-02 | Cape Town (WCT) | 11 | 2159.4 | 11 | 6 | 2278.5 | 0 | Details |
| 50 | Wanderers Blitz Tournament 2024 | Blitz | 2024-03-23 | 2024-03-23 | Johannesburg Metro (GJM) | 9 | 2168.8 | 9 | 5.5 | 1891 | 0 | Details |
Game statistics ( )
| Games | 0 |
| Wins | 0 |
| Draws | 0 |
| Losses | 0 |
| White | 0 |
| Black | 0 |
| White wins | 0 |
| Black wins | 0 |
| Score | 0 |
| Percent | 0 |
| Dp | 0 |
| AOR | 0 |
| Performance | 0 |
Game statistics ()
| Games | 21 |
| Wins | 13 |
| Draws | 2 |
| Losses | 6 |
| White | 9 |
| Black | 12 |
| White wins | 7 |
| Black wins | 6 |
| Score | 14 |
| Percent | 66.7 |
| Dp | 141.7 |
| AOR | 1847.7 |
| Performance | 1989.4 |
Game statistics (History)
| Games | 774 |
| Wins | 490 |
| Draws | 151 |
| Losses | 133 |
| White | 395 |
| Black | 379 |
| White wins | 268 |
| Black wins | 222 |
| Score | 565.5 |
| Percent | 73.1 |
| Dp | 196 |
| AOR | 1875.8 |
| Performance | 2071.8 |
Rankings (Main)
| National | |
| Overall | 27 |
| Gender | 27 |
| Age group | 20 |
| Gender/Age | 20 |
| Provincial | |
| Overall | 10 |
| Gender | 10 |
| Age group | 8 |
| Gender/Age | 8 |
| Regional | |
| Overall | 2 |
| Gender | 2 |
| Age group | 2 |
| Gender/Age | 2 |
Rankings (Standard)
| National | |
| Overall | 25 |
| Gender | 25 |
| Age group | 18 |
| Gender/Age | 18 |
| Provincial | |
| Overall | 9 |
| Gender | 9 |
| Age group | 7 |
| Gender/Age | 7 |
| Regional | |
| Overall | 2 |
| Gender | 2 |
| Age group | 2 |
| Gender/Age | 2 |
Rankings (Rapid)
| National | |
| Overall | 11 |
| Gender | 11 |
| Age group | 8 |
| Gender/Age | 8 |
| Provincial | |
| Overall | 3 |
| Gender | 3 |
| Age group | 3 |
| Gender/Age | 3 |
| Regional | |
| Overall | 1 |
| Gender | 1 |
| Age group | 1 |
| Gender/Age | 1 |
Rankings (Blitz)
| National | |
| Overall | 12 |
| Gender | 12 |
| Age group | 8 |
| Gender/Age | 8 |
| Provincial | |
| Overall | 5 |
| Gender | 5 |
| Age group | 5 |
| Gender/Age | 5 |
| Regional | |
| Overall | 3 |
| Gender | 3 |
| Age group | 3 |
| Gender/Age | 3 |
Performance ( )
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance ()
| Games | 21 |
| Score | 14 |
| Percent | 66.7 |
| Aor | 1847.7 |
| Dp | 141.7 |
| Prat | 1989.4 |
Performance (12 months)
| Games | 137 |
| Score | 96 |
| Percent | 70.1 |
| Aor | 1886.5 |
| Dp | 170.6 |
| Prat | 2057.2 |
Performance (History)
| Games | 774 |
| Score | 565.5 |
| Percent | 73.1 |
| Aor | 1875.8 |
| Dp | 196 |
| Prat | 2071.8 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Khumalo, KB (Keith Babongile) | 37 | 20 | 17 | JCC Wits 2018 (A) | USSA Chess Championships 2025 (Blitz) | Details |
| Overall | 2 | Mabusela, JM (Johannes Manyedi) | 35 | 18 | 17 | 2018 Tshwane Registration Open Chess Tournament (A) | 2025 Centurion Chess Open Tournament (A) | Details |
| Overall | 3 | Mhango, BF (Banele) | 23 | 11 | 12 | 2021 Alekhine Open (A) | Bojanala's Battle Of Mount Cambridge 2025 (Queens) | Details |
| Overall | 4 | Mwale, J (Joseph) | 18 | 10 | 8 | South African Junior Blitz 2017 Championships (A) | JNW Rapid - Helpmekaar Kollege 2024 | Details |
| Overall | 5 | Mlahleki, V (Vusimuzi) | 17 | 7 | 10 | South African Junior Blitz 2017 Championships (A) | MCA Winter Chill Classic 2025 (Expert) | Details |
| Standard | 1 | Khumalo, KB (Keith Babongile) | 28 | 16 | 12 | JCC Wits 2018 (A) | Ekurhuleni Trial 4 2025 (A) | Details |
| Standard | 2 | Mabusela, JM (Johannes Manyedi) | 27 | 13 | 14 | 2018 Tshwane Registration Open Chess Tournament (A) | 2025 Centurion Chess Open Tournament (A) | Details |
| Standard | 3 | Mhango, BF (Banele) | 18 | 9 | 9 | 2021 Alekhine Open (A) | Bojanala's Battle Of Mount Cambridge 2025 (Queens) | Details |
| Standard | 4 | Zwakala, N (Ntando) | 12 | 5 | 7 | 2018 Chris Greyling Open (A) | Chess Power House May Open 2024 (A) | Details |
| Standard | 5 | Mwale, J (Joseph) | 11 | 6 | 5 | 2018 Constantia Park Open (A) | 2023 Tuks Open Chess Tournament (A) | Details |
| Rapid | 1 | Oatlhotse, P (Providence) | 5 | 1 | 4 | 2019 SWVG Arnold Classic (Rapid Prestige) | Lenasia Chess Academy Rapid Rated 2025 (A) | Details |
| Rapid | 2 | Mwale, J (Joseph) | 4 | 3 | 1 | SWVG Arnold Classic Rapid & Blitz 2018 (Rapid Prestige) | JNW Rapid - Helpmekaar Kollege 2024 | Details |
| Rapid | 3 | Khumalo, KB (Keith Babongile) | 4 | 2 | 2 | 2019 SWVG Arnold Classic (Rapid Prestige) | Evaton Primary Open 20 July 2024 (A) | Details |
| Rapid | 4 | Mlahleki, V (Vusimuzi) | 4 | 1 | 3 | Mzansi Summer Blitz 2023 | JNW Rapid - Helpmekaar Kollege 2024 | Details |
| Rapid | 5 | Makoto, R (Rodwell) | 4 | 0 | 4 | SWVG Arnold Classic Rapid & Blitz 2018 (Rapid Prestige) | Mzansi Summer Blitz 2023 | Details |
| Blitz | 1 | Khumalo, KB (Keith Babongile) | 5 | 2 | 3 | SWVG Arnold Classic Rapid & Blitz 2018 (Blitz Prestige) | USSA Chess Championships 2025 (Blitz) | Details |
| Blitz | 2 | Mabusela, JM (Johannes Manyedi) | 5 | 2 | 3 | 2019 South African Juior Blitz Championship (A) | 2023 Tshwane Chess FIDE Rated Blitz League 4 | Details |
| Blitz | 3 | Mlahleki, V (Vusimuzi) | 4 | 2 | 2 | South African Junior Blitz 2017 Championships (A) | Rachella`s Cafe Blitz Tournament 3 2022 | Details |
| Blitz | 4 | Mazibuko, K (Khanya) | 4 | 1 | 3 | 2019 South African Juior Blitz Championship (A) | Wanderers Blitz Tournament 2024 | Details |
| Blitz | 5 | Mwale, J (Joseph) | 3 | 1 | 2 | South African Junior Blitz 2017 Championships (A) | 2019 SWVG Arnold Classic (Blitz Prestige) | Details |