Surname or Chess SA id..
Chess SA Region AOC Mzansi 2026

PLAYER PAGE

Mackenzy Williams

2160137731
Cape Winelands (WCW)
Personal
Main rating
Rating 1443.3
K-factor 32
Floor 955.8
Highest 1457.5 (2026-02-28)
Min/Max +/- allowed 115
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1364.7
Final +/- 0
New Rating
()
Rating 1443.3
K-factor 32
Floor 955.8
Highest 1457.5 (2026-02-28)
Min/Max +/- allowed 114.9
Standard rating
Rating 1420.7
K-factor 32
Floor 943.2
Highest 1443.2 (2026-02-28)
Min/Max +/- allowed 117.3
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1374.9
Final +/- 0
New Rating
()
Rating 1420.7
K-factor 32
Floor 943.2
Highest 1443.2 (2026-02-28)
Min/Max +/- allowed 117.3
Rapid rating
Rating 1446.4
K-factor 32
Floor 946.4
Highest 1446.4 (2026-06-01)
Min/Max +/- allowed 116.7
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1423.5
Final +/- 0
New Rating
()
Rating 1446.4
K-factor 32
Floor 946.4
Highest 1446.4 (2026-06-01)
Min/Max +/- allowed 116.7
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Graph
Tournaments
No tournaments found.
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 2026 WCSC PS Individual Championship (U11 Girls) Standard 2026-05-16 2026-05-17 Overberg (WOS) 6 1413.2 6 4 1438.6 5 Details
2 Langeberg Chess Club 2026 (U12) Rapid 2026-05-02 2026-05-02 Cape Winelands (WCW) 6 1413.2 6 5 1601.3 25.1 Details
3 South African Junior Closed Chess Championship 2026 (U10 Girls) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1413.2 0 0 500 0 Details
4 Cape Winelands Schools - Prestige 2026 (U11 Girls) Standard 2026-03-21 2026-03-21 Cape Winelands (WCW) 5 1457.5 5 3 1300.6 -23 Details
5 Cape Winelands Open Rapid 2026 (U12) Rapid 2026-03-14 2026-03-14 Cape Winelands (WCW) 6 1457.5 6 3 1256 -21.2 Details
6 Cape Winelands Schools - Primary Schools Trials 1 2026 (U11 Girls) Standard 2026-02-14 2026-02-14 Cape Winelands (WCW) 5 1429.5 5 4 1478.6 4.2 Details
7 Marie Delport Memorial 2026 (U12 Girls) Standard 2026-01-31 2026-01-31 Cape Winelands (WCW) 5 1429.5 5 4 1546.6 6.8 Details
8 2025 Mzansi Inter Provincial Team Championships (U10 Combined) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1397.7 6 4 1458.9 7.3 Details
9 WCSC Kings & Queens 2025 (Queens) Rapid 2025-11-29 2025-11-29 Cape Winelands (WCW) 6 1397.7 4 4 1608.4 12.6 Details
10 Worcester Schools Knock-Out 2025 (U9) Rapid 2025-10-18 2025-10-18 Cape Winelands (WCW) 6 1367.9 6 5 1587.3 18.6 Details
11 De Villiers PS 2025 (U12 Girls) Rapid 2025-08-16 2025-08-16 Cape Winelands (WCW) 5 1363.9 5 3 1389.8 2.5 Details
12 Cape Winelands Queens 2025 (U9) Rapid 2025-06-21 2025-06-21 Cape Winelands (WCW) 6 1370.8 6 3.5 1313.1 -4.3 Details
13 Western Cape Schools Individual Championship 2025 (U9 Girls) Standard 2025-05-17 2025-05-18 Cape Winelands (WCW) 6 1347.9 6 4 1472 14.6 Details
14 Brave Knights Rapid 2025 (U11) Rapid 2025-05-03 2025-05-03 Cape Winelands (WCW) 6 1347.9 6 3 1345.3 -0.3 Details
15 South African Junior Closed Chess Championships 2025 (U10 Girls) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1404.4 8 2.5 1210.6 -36.4 Details
16 Cape Winelands Schools Prestige 2025 (U9 Girls) Standard 2025-03-08 2025-03-08 Cape Winelands (WCW) 6 1322.5 6 5.5 1568.9 29 Details
17 Cape Winelands Schools - Trials 1 2025 (U9 Girls) Standard 2025-02-22 2025-02-22 Cape Winelands (WCW) 5 1299.9 5 4 1438.1 12.9 Details
18 Marie Delport Memorial 2025 (U10 Boys+Girls) Standard 2025-01-25 2025-01-26 Cape Winelands (WCW) 6 1270.2 6 4 1400.5 15.3 Details
19 Mzansi Interprovincial Youth Chess Championships 2024 (U10 Girls Championship) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1285.2 6 2 1219.5 -9.4 Details
20 Worcester Knock-Out 2024 (U9 Girls) Rapid 2024-10-19 2024-10-19 Cape Winelands (WCW) 6 1284.2 5 3 1278.8 -0.8 Details
21 Strategema Chess October 2024 (U9) Standard 2024-10-05 2024-10-05 Cape Winelands (WCW) 5 1284.2 5 3 1305.4 1.5 Details
22 De Villiers PS Tournament 2024 (U10) Standard 2024-08-17 2024-08-17 Cape Winelands (WCW) 5 1282.9 5 3 1295.4 0.8 Details
23 Western Cape PS Individuals Championship 2024 (U9 Girls) Standard 2024-05-04 2024-05-05 West Coast (WCU) 6 1272 6 4 1330.8 6.8 Details
24 Brave Knights 2024 (U9) Rapid 2024-03-16 2024-03-16 Cape Winelands (WCW) 6 1288.2 6 3 1190.3 -8.2 Details
25 Cape Winelands Schools - Prestige 2024 (U9 Girls) Standard 2024-03-02 2024-03-02 Cape Winelands (WCW) 5 1288.2 5 3 1274.1 -2 Details
26 Cape Winelands Schools - PS Trials 1 2024 (U9 Girls) Rapid 2024-02-10 2024-02-10 Cape Winelands (WCW) 6 1301.1 6 3 1201.9 -8 Details
27 Cape Winelands - Marie Delport Memorial 2024 (U10) Rapid 2024-01-27 2024-01-27 Cape Winelands (WCW) 6 1313.4 6 3 1197 -7.7 Details
28 Ashton Skaakmat Rapid 2023 (U7) Rapid 2023-11-18 2023-11-18 Cape Winelands (WCW) 6 1340.9 5 2 1088.1 -17.3 Details
29 Robertson Chess Tournament Oct 2023 (U9) Standard 2023-10-28 2023-10-28 Cape Winelands (WCW) 5 1416.3 5 1.5 1081.3 -31.9 Details
30 Bonnievale Open Rapid 2023 (U8) Rapid 2023-10-21 2023-10-21 Cape Winelands (WCW) 6 1416.3 6 3 1213.7 -15.3 Details
31 Western Cape PS Individuals 2023 (U7 Girls) Standard 2023-05-05 2023-05-06 Cape Town (WCT) 6 1371.5 6 5 1512 16.6 Details
32 Cape Winelands Schools Prestige 2023 (U7 Boys+Girls) Standard 2023-03-11 2023-03-11 Cape Winelands (WCW) 5 1275.8 4 4 1514.9 18.8 Details
33 Langeberg Schools Chess Trials 2023 (U7 Boys+Girls) Rapid 2023-02-11 2023-02-11 Cape Winelands (WCW) 5 1166 4 3.5 1432.7 15.2 Details
34 Cape Winelands Schools Chess - Trials 1 2023 (U7 Boys+Girls) Standard 2023-02-18 2023-02-18 Cape Winelands (WCW) 5 1166 5 4.5 1454.7 27.6 Details
35 CW Grass Roots Tournament 2022 (U7 Boys+Girls) Standard 2022-11-19 2022-11-19 Cape Winelands (WCW) 5 1143.4 5 3 1253.1 11.5 Details
36 Western Cape Top Schools 2022 (U7 Mix) Standard 2022-09-16 2022-09-17 Overberg (WOS) 6 1132.4 4 2 1202.8 5.5 Details
37 Cape Winelands Schools Top Schools 2022 (U7-U11 Mixed) Standard 2022-08-27 2022-08-27 Cape Winelands (WCW) 6 1181.2 5 1 926.8 -24.1 Details
38 Western Cape Schools 2022 (U7 Girls) Standard 2022-05-28 2022-05-29 Cape Winelands (WCW) 6 1183 6 3 1193.7 1.2 Details
39 Strategema Chess Festival 2022 (U7+U9 Girls) Rapid 2022-05-14 2022-05-14 Cape Winelands (WCW) 3 1183 2 1 1138.2 -2.3 Details
40 Cape Winelands Schools 2022 (U7 Boys+Girls) Standard 2022-03-12 2022-03-12 Cape Winelands (WCW) 7 1177 6 3 1199.8 2.7 Details
41 Lanfeberg Schools Chess Trials 2022 (U7+U9) Rapid 2022-02-26 2022-02-26 Cape Winelands (WCW) 5 1200 5 1.5 1030 -11.6 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 33
Wins 23
Draws 0
Losses 10
White 17
Black 16
White wins 13
Black wins 10
Score 23
Percent 69.7
Dp 167.4
AOR 1269.1
Performance 1436.5
Game statistics (History)
Games 215
Wins 127
Draws 7
Losses 81
White 108
Black 107
White wins 63
Black wins 64
Score 130.5
Percent 60.7
Dp 90.9
AOR 1234.2
Performance 1325.2
Rankings (Main)
National
Overall 2805
Gender 393
Age group 226
Gender/Age 47
Provincial
Overall 863
Gender 153
Age group 73
Gender/Age 24
Regional
Overall 123
Gender 30
Age group 10
Gender/Age 5
Rankings (Standard)
National
Overall 2877
Gender 453
Age group 252
Gender/Age 56
Provincial
Overall 830
Gender 177
Age group 79
Gender/Age 26
Regional
Overall 120
Gender 32
Age group 12
Gender/Age 6
Rankings (Rapid)
National
Overall 624
Gender 61
Age group 60
Gender/Age 11
Provincial
Overall 300
Gender 35
Age group 32
Gender/Age 10
Regional
Overall 39
Gender 9
Age group 5
Gender/Age 3
Rankings (Blitz)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 33
Score 23
Percent 69.7
Aor 1269.1
Dp 167.4
Prat 1436.5
Performance (12 months)
Games 54
Score 39
Percent 72.2
Aor 1275.3
Dp 188.9
Prat 1464.1
Performance (History)
Games 215
Score 130.5
Percent 60.7
Aor 1234.2
Dp 90.9
Prat 1325.2
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Davids, S (Stephanie) 7 3 4 Cape Winelands Schools 2022 (U7 Boys+Girls) Western Cape PS Individuals Championship 2024 (U9 Girls) Details
Overall 2 Du Toit, S (Shanika) 7 3 4 Robertson Chess Tournament Oct 2023 (U9) Langeberg Chess Club 2026 (U12) Details
Overall 3 Willemse, N (Neveah) 6 2 4 Cape Winelands Schools 2022 (U7 Boys+Girls) Brave Knights 2024 (U9) Details
Overall 4 Africa, F (Faithlynn) 6 3 3 Cape Winelands Schools - Prestige 2024 (U9 Girls) Langeberg Chess Club 2026 (U12) Details
Overall 5 Kleinbooi, R (Riley) 6 3 3 Cape Winelands Schools Chess - Trials 1 2023 (U7 Boys+Girls) De Villiers PS Tournament 2024 (U10) Details
Standard 1 Willemse, N (Neveah) 4 1 3 Cape Winelands Schools 2022 (U7 Boys+Girls) Cape Winelands Schools - Prestige 2024 (U9 Girls) Details
Standard 2 Davids, S (Stephanie) 4 2 2 Cape Winelands Schools 2022 (U7 Boys+Girls) Western Cape PS Individuals Championship 2024 (U9 Girls) Details
Standard 3 Africa, F (Faithlynn) 4 2 2 Cape Winelands Schools - Prestige 2024 (U9 Girls) Cape Winelands Schools - Primary Schools Trials 1 2026 (U11 Girls) Details
Standard 4 Ramonyaluoe, M (Madalitso) 3 1 2 Western Cape PS Individuals Championship 2024 (U9 Girls) Western Cape Schools Individual Championship 2025 (U9 Girls) Details
Standard 5 Coetzee, S (Sean) 3 3 0 Cape Winelands Schools 2022 (U7 Boys+Girls) Cape Winelands Schools Prestige 2023 (U7 Boys+Girls) Details
Rapid 1 Du Toit, S (Shanika) 4 2 2 Cape Winelands Schools - PS Trials 1 2024 (U9 Girls) Langeberg Chess Club 2026 (U12) Details
Rapid 2 Kleinbooi, R (Riley) 3 2 1 Langeberg Schools Chess Trials 2023 (U7 Boys+Girls) Cape Winelands - Marie Delport Memorial 2024 (U10) Details
Rapid 3 Davids, S (Stephanie) 3 1 2 Strategema Chess Festival 2022 (U7+U9 Girls) Ashton Skaakmat Rapid 2023 (U7) Details
Rapid 4 Edons, M (Mihandro) 3 1 2 Ashton Skaakmat Rapid 2023 (U7) Worcester Schools Knock-Out 2025 (U9) Details
Rapid 5 Lambrechts, M (Mila) 3 1 2 Cape Winelands Queens 2025 (U9) WCSC Kings & Queens 2025 (Queens) Details