Player Page

Mthembu, S (Siyabulela)
Dob: 2006/03/12 (U20)
Gender: Male
Chess SA id: 106061709
FIDE id:
Region: West Rand (GWR)
Citizen: RSA
Title(s):
Last active: 2023/08/19 (276 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 rating1478.5
Curent Weighted rating1472.7
Curent Weighted performance1259.6
Current official/published rating (highest between Raw, WR and WP)1478.5
Current floor (min rating allowed)1003.2
Current highest rating achieved1503.2
Current K-factor32
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)±111.5
Current Raw change used (final)0.0
Projected new Raw rating1478.5
Projected new Weighed rating1474.5
Projected new Weighted performance1259.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1478.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1503.2
Projected new floor1003.2
Projected new K-facor32
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 rating1479.2
Curent Weighted rating1473.0
Curent Weighted performance1259.9
Current official/published rating (highest between Raw, WR and WP)1479.2
Current floor (min rating allowed)1011.2
Current highest rating achieved1511.2
Current K-factor32
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)±111.4
Current Raw change used (final)0.0
Projected new Raw rating1479.2
Projected new Weighed rating1474.9
Projected new Weighted performance1259.9
Projected new official/published rating (highest between new Raw, new WR and new WP)1479.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1511.2
Projected new floor1011.2
Projected new K-facor32
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 rating865.4
Curent Weighted rating865.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)865.4
Current floor (min rating allowed)500.0
Current highest rating achieved865.4
Current K-factor40
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)±267.1
Current Raw change used (final)0.0
Projected new Raw rating865.4
Projected new Weighed rating865.4
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)865.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating865.4
Projected new floor500.0
Projected new K-facor40
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 rating865.4
Curent Weighted rating865.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)865.4
Current floor (min rating allowed)500.0
Current highest rating achieved865.4
Current K-factor40
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)±267.1
Current Raw change used (final)0.0
Projected new Raw rating865.4
Projected new Weighed rating865.4
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)865.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating865.4
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
17 2023 Gauteng Top Schools (U19 Mixed) 2023/08/19 2023/08/19 West Rand (GWR) Standard 60 0.83 5 5 3.0 1503.2 1511.2 Analysis
16 D2 School League Finals 2023 (U19) 2023/07/22 2023/07/22 West Rand (GWR) Standard 60 0.83 5 5 5.0 1459.6 1457.4 Analysis
15 FIDE at The King`s Gate 2.0 2022 (B) 2022/10/22 2022/10/22 Bojanala Platina (NBR) Standard 92 0.94 5 5 2.5 1486.4 1484.6 Analysis
14 West Rand Trials 2022 (U18) 2022/09/03 2022/09/03 West Rand (GWR) Standard 60 0.83 5 5 3.0 1500.4 1498.2 Analysis
13 2022 Gauteng Schools Team Championships (U17 Open) 2022/08/26 2022/08/26 Tshwane (GTP) Standard 60 0.83 5 4 4.0 1257.8 1275.9 Analysis
12 D2 School League Finals 2022 (U18) 2022/08/20 2022/08/20 West Rand (GWR) Standard 60 0.83 5 5 5.0 1257.8 1275.9 Analysis
11 2022 Gauteng Schools Individual Chess Championship (U18 Boys) 2022/06/18 2022/06/18 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1221.0 1234.1 Analysis
10 D2 Schools Individuals 2022 (U18 Boys) 2022/05/07 2022/05/07 West Rand (GWR) Standard 60 0.83 5 5 4.0 1147.0 1144.5 Analysis
9 2019 South African Junior Team Championships (U16C) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 3.0 1134.2 1133.3 Analysis
8 2019 Gauteng School League Finals (U15 Open) 2019/08/24 2019/08/24 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1147.1 1147.8 Analysis
7 West Rand Junior Open 2019 (U18) 2019/08/17 2019/08/17 West Rand (GWR) Standard 60 0.83 5 5 2.0 1147.1 1147.8 Analysis
6 D2 Schools Individuals 2019 (U15) 2019/05/18 2019/05/18 West Rand (GWR) Standard 60 0.83 5 4 1.5 978.2 989.8 Analysis
5 Merafong Schools Individuals 2019 (U15 Boys) 2019/05/04 2019/05/04 West Rand (GWR) Standard 60 0.83 5 5 4.0 978.2 989.8 Analysis
4 South African Junior Team Championships 2018 (U16D) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 6 4.0 949.8 965.0 Analysis
3 2018 Gauteng League Final (U13) 2018/08/24 2018/08/24 Tshwane (GTP) Standard 60 0.83 5 5 4.0 895.7 903.0 Analysis
2 Merafong Schools Individuals 2018 (U13 Boys) 2018/05/05 2018/05/05 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 877.4 881.8 Analysis
1 Hervormde Kerk 2018 (U16) 2018/04/21 2018/04/21 Dr Kenneth Kaunda (NWP) Standard 60 0.83 5 5 2.0 865.4 865.4 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Standard All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Rapid All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Blitz All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 86 55 6 25 58.0 67.4 148.3 1138.9 1287.1
White 41 25 2 14 26.0 63.4 114.0 1144.5 1258.5
Black 45 30 4 11 32.0 71.1 179.4 1133.8 1313.2
Standard All 86 55 6 25 58.0 67.4 148.3 1138.9 1287.1
White 41 25 2 14 26.0 63.4 114.0 1144.5 1258.5
Black 45 30 4 11 32.0 71.1 179.4 1133.8 1313.2
Rapid All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Blitz All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1060113043 Letlhoo, BJ (Bokang) 3 0.0 0 0 3 0.0 1289.5 -425.0 864.5 View list
2 105053982 Du Toit, T (Tano) 2 2.0 2 0 0 100.0 1076.8 425.0 1501.8 View list
3 105057096 Mansill, R (Regan) 2 2.0 2 0 0 100.0 1379.1 425.0 1804.1 View list
4 105061707 Kula, VJ (Vuyani) 2 0.0 0 0 2 0.0 927.8 -425.0 502.8 View list
5 206087684 Botha, L (Liane) 1 1.0 1 0 0 100.0 1257.8 425.0 1682.8 View list
6 1070152523 Luiz, J (Juan) 1 1.0 1 0 0 100.0 1459.6 425.0 1884.6 View list
7 105084808 Luis, TJ (Thomas) 1 1.0 1 0 0 100.0 978.2 425.0 1403.2 View list
8 109075163 Letupu, L (Lemogang) 1 1.0 1 0 0 100.0 1486.4 425.0 1911.4 View list
9 1070143502 Kunene, S (Simphiwe) 1 1.0 1 0 0 100.0 1221.0 425.0 1646.0 View list
10 105071239 Groenewald, L (Lehan) 1 1.0 1 0 0 100.0 895.7 425.0 1320.7 View list
11 1050107669 Finnis, B (Bongani) 1 1.0 1 0 0 100.0 949.8 425.0 1374.8 View list
12 204077189 Ferreira, C (Chantelle) 1 1.0 1 0 0 100.0 1147.1 425.0 1572.1 View list
13 104055604 Davis, J (Julian) 1 1.0 1 0 0 100.0 949.8 425.0 1374.8 View list
14 1060140278 Cilliers, Z (Zander) 1 1.0 1 0 0 100.0 1147.0 425.0 1572.0 View list
15 1070154913 Chuang, B (Bob) 1 1.0 1 0 0 100.0 1503.2 425.0 1928.2 View list
16 201076292 Mahlatsi, PN (Pulane) 1 1.0 1 0 0 100.0 865.4 425.0 1290.4 View list
17 1040098747 Maile, E (Edward) 1 1.0 1 0 0 100.0 1134.2 425.0 1559.2 View list
18 1040100964 Makoko, K (Kamohelo) 1 1.0 1 0 0 100.0 978.2 425.0 1403.2 View list
19 1060118318 Malungana, P (Perseverance) 1 1.0 1 0 0 100.0 1221.0 425.0 1646.0 View list
20 2050117665 Manana, A (Amogelang) 1 1.0 1 0 0 100.0 1147.1 425.0 1572.1 View list