Player Page

Mnguni, JD (Jakob)
Dob: 1992/11/07 (Adult)
Gender: Male
Chess SA id: 192023485
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/07/13 (3 days ago)
Ratings
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating2180.7
Current Weighted rating2142.7
Current Weighted performance2078.9
Current official/published rating (highest between Raw, WR and WP)2180.7
Current highest rating achieved2224.8
Current floor (min rating allowed)1724.8
Current K-factor16
Games played this month7
Score (S)5.5
Expected score (We)5.71
Difference (S-We)-0.13
Current Raw change (no limits, including tournament time weight)-2.0
Current min/max change allowed (with limits)±41.0
Current Raw change used (final)-2.0
Projected new Raw rating2178.7
Projected new Weighed rating1971.5
Projected new Weighted performance2049.7
Projected new final Raw rating (if new WP > new Raw)2178.7
Projected new highest rating2224.8
Projected new floor1724.8
Projected new K-facor16
Projected new official/published rating (highest between new Raw, new WR and new WP)2178.7
Projected effective change (new Official - current Official)-2.0
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating2190.1
Current Weighted rating2149.8
Current Weighted performance2078.9
Current official/published rating (highest between Raw, WR and WP)2190.1
Current highest rating achieved2232.4
Current floor (min rating allowed)1732.4
Current K-factor16
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±40.5
Current Raw change used (final)0.0
Projected new Raw rating2190.1
Projected new Weighed rating1977.8
Projected new Weighted performance2078.9
Projected new final Raw rating (if new WP > new Raw)2190.1
Projected new highest rating2232.4
Projected new floor1732.4
Projected new K-facor16
Projected new official/published rating (highest between new Raw, new WR and new WP)2190.1
Projected effective change (new Official - current Official)=0.0
s
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating2112.4
Current Weighted rating2144.4
Current Weighted performance1796.8
Current official/published rating (highest between Raw, WR and WP)2144.4
Current highest rating achieved2211.4
Current floor (min rating allowed)1711.4
Current K-factor16
Games played this month7
Score (S)5.5
Expected score (We)6.16
Difference (S-We)-0.66
Current Raw change (no limits, including tournament time weight)-10.6
Current min/max change allowed (with limits)±45.2
Current Raw change used (final)-10.6
Projected new Raw rating2101.8
Projected new Weighed rating1971.6
Projected new Weighted performance1887.9
Projected new final Raw rating (if new WP > new Raw)2101.8
Projected new highest rating2211.4
Projected new floor1711.4
Projected new K-facor16
Projected new official/published rating (highest between new Raw, new WR and new WP)2101.8
Projected effective change (new Official - current Official)-42.6
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating2111.2
Current Weighted rating2120.4
Current Weighted performance1698.5
Current official/published rating (highest between Raw, WR and WP)2120.4
Current highest rating achieved2206.3
Current floor (min rating allowed)1706.3
Current K-factor16
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±45.3
Current Raw change used (final)0.0
Projected new Raw rating2111.2
Projected new Weighed rating1950.2
Projected new Weighted performance1698.5
Projected new final Raw rating (if new WP > new Raw)2111.2
Projected new highest rating2206.3
Projected new floor1706.3
Projected new K-facor16
Projected new official/published rating (highest between new Raw, new WR and new WP)2111.2
Projected effective change (new Official - current Official)-9.2
Tournaments
Tournament: Midvaal Winter Classic 13 July 2024 (A)
Start: 2024/07/13  End: 2024/07/13  Host: GSV  Type: Rapid   Time: 30  Time weight: 0.60  Rounds: 7
Games: 7  Score: 5.5
Main rating: 2180.7  Rating gain/loss: -2.0
Type rating: 2112.4  Rating gain/loss: -10.6
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
16 Midvaal Winter Classic 13 July 2024 (A) 2024/07/13 2024/07/13 Sedibeng (GSV) Rapid 30 0.60 7 7 5.5 2180.7 2112.4 Analysis
15 2024 Elise Steenkamp Open Chess Tournament (Kings) 2024/06/15 2024/06/17 Tshwane (GTP) Standard 90 0.94 7 7 6.5 2168.3 2174.7 Analysis
14 FIDE in the West 2024 (Open) 2024/06/08 2024/06/08 West Rand (GWR) Standard 60 0.83 5 5 5.0 2168.3 2174.7 Analysis
13 2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (Prestige) 2024/06/01 2024/06/01 Tshwane (GTP) Standard 60 0.83 5 5 3.5 2168.3 2174.7 Analysis
12 Chess Power House May Open 2024 (A) 2024/05/25 2024/05/25 Johannesburg Metro (GJM) Standard 60 0.83 5 4 2.0 2187.2 2195.5 Analysis
11 JMC Crawford International Sandton 2024 (A) 2024/05/11 2024/05/11 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 2187.2 2195.5 Analysis
10 2024 Milos Ristic Open Chess Tournament (Prestige) 2024/04/27 2024/04/27 Tshwane (GTP) Standard 60 0.83 5 5 5.0 2159.4 2162.9 Analysis
9 2024 Silver Lakes Open Chess Tournament (Prestige) 2024/04/20 2024/04/20 Tshwane (GTP) Standard 60 0.83 5 5 4.0 2159.4 2162.9 Analysis
8 South African Closed Chess Championship 2024 (Open) 2024/03/25 2024/04/02 Cape Town (WCT) Standard 150 1.00 11 11 6.0 2159.4 2162.9 Analysis
7 Wanderers Blitz Tournament 2024 2024/03/23 2024/03/23 Johannesburg Metro (GJM) Blitz 8 0.25 9 9 5.5 2168.8 2131.0 Analysis
6 JNW Open - Classic - Crawford 2024 (A) 2024/03/09 2024/03/09 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 2168.8 2169.8 Analysis
5 Schoemies' Kings & Queens 2024 (Queens) 2024/03/02 2024/03/02 Bojanala Platina (NBR) Standard 60 0.83 5 5 4.0 2168.8 2169.8 Analysis
4 2024 Tshwane Chess AHS Open Chess Tournament (Prestige) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 4.0 2181.7 2158.3 Analysis
3 Gear Up Mzansi Rapid 2024 (Expert) 2024/02/17 2024/02/17 Johannesburg Metro (GJM) Rapid 35 0.66 5 5 2.0 2181.7 2144.2 Analysis
2 JMC Kick Off Tournament 2024 (A) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 2182.9 2157.1 Analysis
1 2024 Gauteng Inter-Region Chess Championship (Adult A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 4.0 2182.9 2157.1 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
96 Midvaal Winter Classic 13 July 2024 (A) 2024/07/13 2024/07/13 Sedibeng (GSV) Rapid 30 0.60 7 7 5.5 2180.7 2112.4 Analysis
95 2024 Elise Steenkamp Open Chess Tournament (Kings) 2024/06/15 2024/06/17 Tshwane (GTP) Standard 90 0.94 7 7 6.5 2168.3 2174.7 Analysis
94 FIDE in the West 2024 (Open) 2024/06/08 2024/06/08 West Rand (GWR) Standard 60 0.83 5 5 5.0 2168.3 2174.7 Analysis
93 2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (Prestige) 2024/06/01 2024/06/01 Tshwane (GTP) Standard 60 0.83 5 5 3.5 2168.3 2174.7 Analysis
92 Chess Power House May Open 2024 (A) 2024/05/25 2024/05/25 Johannesburg Metro (GJM) Standard 60 0.83 5 4 2.0 2187.2 2195.5 Analysis
91 JMC Crawford International Sandton 2024 (A) 2024/05/11 2024/05/11 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 2187.2 2195.5 Analysis
90 2024 Milos Ristic Open Chess Tournament (Prestige) 2024/04/27 2024/04/27 Tshwane (GTP) Standard 60 0.83 5 5 5.0 2159.4 2162.9 Analysis
89 2024 Silver Lakes Open Chess Tournament (Prestige) 2024/04/20 2024/04/20 Tshwane (GTP) Standard 60 0.83 5 5 4.0 2159.4 2162.9 Analysis
88 South African Closed Chess Championship 2024 (Open) 2024/03/25 2024/04/02 Cape Town (WCT) Standard 150 1.00 11 11 6.0 2159.4 2162.9 Analysis
87 Wanderers Blitz Tournament 2024 2024/03/23 2024/03/23 Johannesburg Metro (GJM) Blitz 8 0.25 9 9 5.5 2168.8 2131.0 Analysis
86 JNW Open - Classic - Crawford 2024 (A) 2024/03/09 2024/03/09 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 2168.8 2169.8 Analysis
85 Schoemies' Kings & Queens 2024 (Queens) 2024/03/02 2024/03/02 Bojanala Platina (NBR) Standard 60 0.83 5 5 4.0 2168.8 2169.8 Analysis
84 2024 Tshwane Chess AHS Open Chess Tournament (Prestige) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 4.0 2181.7 2158.3 Analysis
83 Gear Up Mzansi Rapid 2024 (Expert) 2024/02/17 2024/02/17 Johannesburg Metro (GJM) Rapid 35 0.66 5 5 2.0 2181.7 2144.2 Analysis
82 JMC Kick Off Tournament 2024 (A) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 2182.9 2157.1 Analysis
81 2024 Gauteng Inter-Region Chess Championship (Adult A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 4.0 2182.9 2157.1 Analysis
80 Chess Power House Festive Rapid 2023 (A) 2023/12/15 2023/12/15 Johannesburg Metro (GJM) Rapid 20 0.47 6 6 3.5 2089.4 2156.0 Analysis
79 Mzansi Summer Blitz 2023 2023/12/09 2023/12/09 Johannesburg Metro (GJM) Rapid 10 0.29 7 7 5.5 2089.4 2156.0 Analysis
78 Mbombela Chess Club Annual 2023 (Open) 2023/12/02 2023/12/02 Nelson Mandela Bay (ENM) Standard 63 0.84 5 5 3.0 2089.4 2109.0 Analysis
77 Lenasia Chess Academy Tournament - Rapid Rated 2023 2023/10/08 2023/10/08 Johannesburg Metro (GJM) Rapid 20 0.47 5 5 4.5 2102.4 2161.8 Analysis
12345
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 93 59 19 15 68.5 73.7 201.1 1892.3 2093.4
White 44 29 9 6 33.5 76.1 222.2 1900.2 2122.4
Black 49 30 10 9 35.0 71.4 182.1 1885.2 2067.4
Standard All 72 47 17 8 55.5 77.1 230.2 1911.3 2141.5
White 34 24 7 3 27.5 80.9 262.5 1913.0 2175.5
Black 38 23 10 5 28.0 73.7 201.3 1909.7 2111.0
Rapid All 12 7 1 4 7.5 62.5 106.3 1850.5 1956.7
White 6 3 1 2 3.5 58.3 70.8 1853.1 1923.9
Black 6 4 0 2 4.0 66.7 141.7 1847.9 1989.6
Blitz All 9 5 1 3 5.5 61.1 94.4 1796.6 1891.0
White 4 2 1 1 2.5 62.5 106.3 1862.3 1968.6
Black 5 3 0 2 3.0 60.0 85.0 1744.0 1829.0
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 548 347 108 93 401.0 73.2 197.0 1870.2 2067.2
White 277 187 53 37 213.5 77.1 230.1 1871.2 2101.3
Black 271 160 55 56 187.5 69.2 163.1 1869.2 2032.3
Standard All 363 230 85 48 272.5 75.1 213.1 1873.3 2086.4
White 185 123 42 20 144.0 77.8 236.6 1868.4 2105.0
Black 178 107 43 28 128.5 72.2 188.6 1878.4 2067.0
Rapid All 76 48 10 18 53.0 69.7 167.8 1844.5 2012.2
White 40 26 6 8 29.0 72.5 191.2 1860.4 2051.6
Black 36 22 4 10 24.0 66.7 141.7 1826.8 1968.5
Blitz All 109 69 13 27 75.5 69.3 163.8 1877.9 2041.7
White 52 38 5 9 40.5 77.9 237.0 1889.5 2126.5
Black 57 31 8 18 35.0 61.4 96.9 1867.4 1964.3
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 184019054 Mabusela, JM (Johannes) 29 11.5 2 19 8 39.7 2155.1 -87.9 2067.1 View list
2 101015487 Khumalo, KB (Keith) 26 12.5 6 13 7 48.1 2167.1 -16.3 2150.7 View list
3 194026329 Mwale, J (Joseph) 16 6.5 5 3 8 40.6 2147.3 -79.7 2067.6 View list
4 103022974 Mhango, BF (Banele) 16 4.0 1 6 9 25.0 2147.8 -212.5 1935.3 View list
5 182025885 Mthunzi, B (Brighton) 15 9.5 6 7 2 63.3 2141.9 113.3 2255.2 View list
6 192043627 Zwakala, N (Ntando) 13 8.5 4 9 0 65.4 2153.3 130.8 2284.0 View list
7 187019959 Makoto, R (Rodwell) 13 5.0 2 6 5 38.5 2159.3 -98.1 2061.2 View list
8 101023373 Mlahleki, V (Vusimuzi) 12 7.0 5 4 3 58.3 2163.3 70.8 2234.1 View list
9 185028656 Oatlhotse, P (Providence) 9 6.0 5 2 2 66.7 2170.1 141.7 2311.8 View list
10 101050584 Mazibuko, K (Khanya) 8 6.5 6 1 1 81.3 2152.6 265.6 2418.2 View list
11 191012376 Hercules, BV (Benjamin) 8 5.5 5 1 2 68.8 2136.8 159.4 2296.2 View list
12 187025727 Mpya, TM (Tshediso) 8 5.5 4 3 1 68.8 2154.1 159.4 2313.5 View list
13 199021497 Masiya, MA (Mfundo) 8 3.5 3 1 4 43.8 2157.3 -53.1 2104.1 View list
14 184027327 Nene, TH (Themba) 7 7.0 7 0 0 100.0 2148.7 425.0 2573.7 View list
15 173022117 Mbedza, R (Richard) 7 4.5 4 1 2 64.3 2161.3 121.4 2282.7 View list
16 105009732 Fourie, B (Brandon) 6 6.0 6 0 0 100.0 2155.5 425.0 2580.5 View list
17 105058538 Smit, D (Devon) 6 6.0 6 0 0 100.0 2150.0 425.0 2575.0 View list
18 171036270 Steyn, H (Hans) 6 5.0 4 2 0 83.3 2174.5 283.3 2457.9 View list
19 105060746 De Meyer, M (Marco) 5 5.0 5 0 0 100.0 2151.1 425.0 2576.1 View list
20 194007815 Du Plessis, H (Heinco) 5 3.5 3 1 1 70.0 2142.8 170.0 2312.8 View list