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: 2024/05/11 (6 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
Curent Raw rating2187.2
Curent Weighted rating2137.3
Curent Weighted performance2102.0
Current official/published rating (highest between Raw, WR and WP)2187.2
Current floor (min rating allowed)1724.8
Current highest rating achieved2224.8
Current K-factor16
Games played this month5
Score (S)4.0
Expected score (We)4.45
Difference (S-We)-0.45
Current Raw change (no limits, including tournament time weight)-6.0
Current min/max change allowed (with limits)±40.6
Current Raw change used (final)-6.0
Projected new Raw rating2181.2
Projected new Weighed rating2140.5
Projected new Weighted performance2102.0
Projected new official/published rating (highest between new Raw, new WR and new WP)2181.2
Projected effective change (new Official - current Official)-6.0
Projected new highest rating2224.8
Projected new floor1724.8
Projected new K-facor16
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
Curent Raw rating2195.5
Curent Weighted rating2144.6
Curent Weighted performance2148.6
Current official/published rating (highest between Raw, WR and WP)2195.5
Current floor (min rating allowed)1732.4
Current highest rating achieved2232.4
Current K-factor16
Games played this month5
Score (S)4.0
Expected score (We)4.43
Difference (S-We)-0.43
Current Raw change (no limits, including tournament time weight)-6.9
Current min/max change allowed (with limits)±40.1
Current Raw change used (final)-6.9
Projected new Raw rating2188.6
Projected new Weighed rating2147.7
Projected new Weighted performance2148.6
Projected new official/published rating (highest between new Raw, new WR and new WP)2188.6
Projected effective change (new Official - current Official)-6.9
Projected new highest rating2232.4
Projected new floor1732.4
Projected new K-facor16
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
Curent Raw rating2112.4
Curent Weighted rating2153.0
Curent Weighted performance1693.0
Current official/published rating (highest between Raw, WR and WP)2153.0
Current floor (min rating allowed)1711.4
Current highest rating achieved2211.4
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)±45.2
Current Raw change used (final)0.0
Projected new Raw rating2112.4
Projected new Weighed rating2148.5
Projected new Weighted performance1693.0
Projected new official/published rating (highest between new Raw, new WR and new WP)2148.5
Projected effective change (new Official - current Official)-4.5
Projected new highest rating2211.4
Projected new floor1711.4
Projected new K-facor16
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
Curent Raw rating2111.2
Curent Weighted rating2123.5
Curent Weighted performance1628.0
Current official/published rating (highest between Raw, WR and WP)2123.5
Current floor (min rating allowed)1711.4
Current highest rating achieved2206.3
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 rating2121.9
Projected new Weighted performance1628.0
Projected new official/published rating (highest between new Raw, new WR and new WP)2121.9
Projected effective change (new Official - current Official)-1.6
Projected new highest rating2206.3
Projected new floor1711.4
Projected new K-facor16
Tournaments
Tournament: JMC Crawford International Sandton 2024 (A)
Start: 2024/05/11  End: 2024/05/11  Host: GJM  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 4.0
Main rating: 2187.2  Rating gain/loss: -6.0
Type rating: 2195.5  Rating gain/loss: -6.9
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
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
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
76 2023 Tuks Open Chess Tournament (A) 2023/10/07 2023/10/07 Tshwane (GTP) Standard 60 0.83 5 5 3.0 2102.4 2122.1 Analysis
75 Emalahleni Spring Open 2023 (A) 2023/09/22 2023/09/23 Ngaka Modiri Molema (NNM) Standard 90 0.94 6 6 5.0 2094.5 2114.9 Analysis
74 Mzansi Spring Rapid 2023 2023/09/02 2023/09/02 Johannesburg Metro (GJM) Rapid 15 0.39 7 7 5.5 2094.5 2162.0 Analysis
73 Bojanala's Spring Cleaning 2023 (Queens) 2023/08/26 2023/08/26 Bojanala Platina (NBR) Standard 60 0.83 5 5 4.5 2106.3 2112.8 Analysis
72 Chess Power House 2023 (Invitational) 2023/08/19 2023/08/20 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 2106.3 2112.8 Analysis
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Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 65 38 16 11 46.0 70.8 176.5 1918.9 2095.4
White 30 20 7 3 23.5 78.3 240.8 1900.3 2141.1
Black 35 18 9 8 22.5 64.3 121.4 1934.7 2056.2
Standard All 51 31 15 5 38.5 75.5 216.7 1943.3 2160.0
White 24 17 6 1 20.0 83.3 283.3 1928.4 2211.7
Black 27 14 9 4 18.5 68.5 157.4 1956.5 2113.9
Rapid All 5 2 0 3 2.0 40.0 -85.0 1889.6 1804.6
White 2 1 0 1 1.0 50.0 0.0 1639.1 1639.1
Black 3 1 0 2 1.0 33.3 -141.7 2056.7 1915.0
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 520 326 105 89 378.5 72.8 193.7 1872.3 2066.1
White 263 178 51 34 203.5 77.4 232.7 1869.7 2102.4
Black 257 148 54 55 175.0 68.1 153.8 1875.1 2028.9
Standard All 342 214 83 45 255.5 74.7 210.0 1875.8 2085.8
White 175 116 41 18 136.5 78.0 238.0 1868.0 2106.0
Black 167 98 42 27 119.0 71.3 180.7 1883.9 2064.6
Rapid All 69 43 9 17 47.5 68.8 160.1 1846.7 2006.8
White 36 24 5 7 26.5 73.6 200.7 1849.3 2050.0
Black 33 19 4 10 21.0 63.6 115.9 1843.8 1959.8
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) 27 10.5 1 19 7 38.9 2153.4 -94.4 2058.9 View list
2 101015487 Khumalo, KB (Keith) 23 11.5 6 11 6 50.0 2166.4 0.0 2166.4 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 187019959 Makoto, R (Rodwell) 13 5.0 2 6 5 38.5 2159.3 -98.1 2061.2 View list
7 192043627 Zwakala, N (Ntando) 12 7.5 3 9 0 62.5 2150.4 106.3 2256.7 View list
8 101023373 Mlahleki, V (Vusimuzi) 12 7.0 5 4 3 58.3 2163.3 70.8 2234.1 View list
9 101050584 Mazibuko, K (Khanya) 8 6.5 6 1 1 81.3 2152.6 265.6 2418.2 View list
10 191012376 Hercules, BV (Benjamin) 8 5.5 5 1 2 68.8 2136.8 159.4 2296.2 View list
11 187025727 Mpya, TM (Tshediso) 8 5.5 4 3 1 68.8 2154.1 159.4 2313.5 View list
12 185028656 Oatlhotse, P (Providence) 8 5.0 4 2 2 62.5 2170.4 106.3 2276.6 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