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Zeke Zwartz

1160150372
Cape Town (WCT)
Personal
Main rating
Rating 1580.9
K-factor 28
Floor 1123.5
Highest 1629.1 (2026-01-01)
Min/Max +/- allowed 90
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1463.7
Final +/- 0
New Rating
()
Rating 1580.9
K-factor 28
Floor 1123.5
Highest 1629.1 (2026-01-01)
Min/Max +/- allowed 90
Standard rating
Rating 1591.8
K-factor 28
Floor 1105.5
Highest 1612.8 (2026-01-01)
Min/Max +/- allowed 92.1
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1606.2
Final +/- 0
New Rating
()
Rating 1591.8
K-factor 28
Floor 1105.5
Highest 1612.8 (2026-01-01)
Min/Max +/- allowed 92.1
Rapid rating
Rating 1441.1
K-factor 32
Floor 953.9
Highest 1624.4 (2023-02-01)
Min/Max +/- allowed 90.6
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1451.1
Final +/- 0
New Rating
()
Rating 1441.1
K-factor 32
Floor 953.9
Highest 1624.4 (2023-02-01)
Min/Max +/- allowed 90.6
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 Laerskool Welgemoed Rapid 2026 (U12) Rapid 2026-02-14 2026-02-14 Cape Town (WCT) 6 1612 6 3.5 1358.1 0 Details
2 CT Metro North Schools Chess Individual Trials 2026 (U11 Boys) Standard 2026-02-07 2026-02-08 Cape Town (WCT) 6 1612 6 4.5 1625.2 0 Details
3 COGH 2026 (U12) Rapid 2026-01-31 2026-02-01 Cape Town (WCT) 6 1612 6 4 1546.3 0 Details
4 Helderberg Chess Club Open 2026 (U11 Mixed) Standard 2026-01-17 2026-01-17 Cape Town (WCT) 5 1629.1 5 3 1535.2 0 Details
5 2025 Mzansi Individual Championships (U10 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1531.4 6 5 1724.1 0 Details
6 2025 Mzansi Inter Provincial Team Championships (U10 Combined) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1531.4 6 5 1735.9 0 Details
7 Six Gun Grill Summer Sport Festival Chess Championships 2025 (Individual U11 Boys) Rapid 2025-12-09 2025-12-09 Cape Winelands (WCW) 5 1531.4 5 3.5 1477.5 0 Details
8 Six Gun Grill Summer Sport Festival Chess Championships 2025 (Team U11) Rapid 2025-12-08 2025-12-08 Cape Winelands (WCW) 5 1531.4 4 4 1725.3 0 Details
9 Cape Town Metro North Top Schools 2025 (U11) Standard 2025-08-01 2025-08-02 Cape Town (WCT) 5 1517.2 5 4.5 1598.3 0 Details
10 Cape Winelands Open 2025 (U10) Standard 2025-07-19 2025-07-19 Cape Winelands (WCW) 5 1461.6 4 3 1632.3 0 Details
11 Helderberg Chess Club Open 2025 (U9) Standard 2025-06-07 2025-06-07 Cape Town (WCT) 5 1423.7 5 3.5 1485.9 0 Details
12 Cape Town Chess Junior League 2025 (U12) Standard 2025-05-10 2025-05-31 Cape Town (WCT) 6 1423.7 5 4 1510.3 0 Details
13 Western Cape Schools Individual Championship 2025 (U9 Boys) Standard 2025-05-17 2025-05-18 Cape Winelands (WCW) 6 1391.2 6 4.5 1563.8 0 Details
14 South African Junior Closed Chess Championships 2025 (U10 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1402.1 9 3.5 1374.6 0 Details
15 Cape Town Open Chess Festival 2025 (U10) Standard 2025-03-22 2025-03-23 Cape Town (WCT) 6 1407 6 3 1337 0 Details
16 Steinitz Festival 2025 (U10) Rapid 2025-03-15 2025-03-15 Cape Town (WCT) 7 1407 7 4 1319 0 Details
17 CT Metro Schools Individual Closed 2025 (U9 Open) Standard 2025-03-01 2025-03-02 Cape Town (WCT) 6 1407 6 4 1507.6 0 Details
18 Cape of Good Hope Open 2025 (U10) Rapid 2025-02-22 2025-02-22 Cape Town (WCT) 6 1371 6 3 1293.4 0 Details
19 Laerskool Welgemoed Rapid 2025 (U10) Rapid 2025-02-15 2025-02-15 Cape Town (WCT) 6 1371 6 5.5 1590.5 0 Details
20 CT Metro North Schools Chess Individual Trials 2025 (U9 Open) Standard 2025-02-08 2025-02-09 Cape Town (WCT) 6 1371 6 4 1430.1 0 Details
21 2025 Kraaifontein Open Chess Championships (Rapid U10) Rapid 2025-01-04 2025-01-04 Cape Town (WCT) 6 1363.5 6 4 1411.3 0 Details
22 Laerskool Welgemoed Rapid 2024 (U10) Rapid 2024-10-19 2024-10-19 Cape Town (WCT) 6 1348.1 6 4 1379.8 0 Details
23 UCT Open Chess Championship 2024 (U10) Rapid 2024-10-12 2024-10-13 Cape Town (WCT) 6 1348.1 6 4 1427.4 0 Details
24 CBC Rapid Chess Tournament 2024 (U8) Rapid 2024-09-14 2024-09-14 Cape Town (WCT) 6 1312 6 5 1547.7 0 Details
25 CT District North Top Schools 2024 (U9 Mixed) Rapid 2024-07-27 2024-07-27 Cape Town (WCT) 5 1293.9 4 3 1471.8 0 Details
26 Cape Town Chess Federation Closed Chess Championships 2024 (U10) Standard 2024-06-15 2024-06-15 Cape Town (WCT) 5 1308.2 5 2 1234.9 0 Details
27 Cape Town Junior League Finals 2024 (U13 Open A) Rapid 2024-05-18 2024-05-18 Cape Town (WCT) 5 1302.4 4 1 1012.2 0 Details
28 Western Cape PS Individuals Championship 2024 (U9 Boys) Standard 2024-05-04 2024-05-05 West Coast (WCU) 6 1302.4 6 3.5 1393.9 0 Details
29 Cape Town Junior League - Qualifier 2 2024 (U13) Rapid 2024-04-20 2024-04-20 Cape Town (WCT) 6 1302.4 6 4 1403.6 0 Details
30 Cape Town Junior League Qualifier 2024 (U13 Open) Rapid 2024-04-06 2024-04-06 Cape Town (WCT) 6 1335.8 1 0 825.6 0 Details
31 Strategize to Win 2024 (E) Standard 2024-04-13 2024-04-14 Cape Town (WCT) 5 1335.8 5 2 1227.7 0 Details
32 Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Boys) Standard 2024-03-02 2024-03-03 Cape Town (WCT) 6 1332.2 6 3.5 1347.9 0 Details
33 North District School Trials 2024 (U9 Boys) Standard 2024-02-03 2024-02-03 Cape Town (WCT) 5 1286.5 5 4 1538.6 0 Details
34 Rylib Summer Slam 2023 (Development) Rapid 2023-12-12 2023-12-12 Cape Town (WCT) 6 1293.6 6 3 1235.1 0 Details
35 Chas Everitt and MHI Attorneys Rapid 2023 (U8) Rapid 2023-11-04 2023-11-04 Cape Town (WCT) 6 1266.4 6 5 1463.3 0 Details
36 Western Cape Closed Championship 2023 (U8) Rapid 2023-09-23 2023-09-23 Cape Town (WCT) 6 1261.9 6 4 1295.5 0 Details
37 CT Metro District North Top Schools Chess 2023 (U9 Mixed) Rapid 2023-07-29 2023-07-29 Cape Town (WCT) 3 1260.2 2 1 1295 0 Details
38 GPCA Rapid 2023 (U10) Rapid 2023-06-24 2023-06-24 Cape Town (WCT) 7 1286.1 7 3 1128.4 0 Details
39 Western Cape PS Individuals 2023 (U7 Boys) Standard 2023-05-05 2023-05-06 Cape Town (WCT) 6 1284.3 6 4 1289.9 0 Details
40 Cape Town Metro Schools Chess Closed Individuals 2023 (U7 Mixed) Rapid 2023-03-04 2023-03-04 Cape Town (WCT) 5 1300.5 4 2 1140.7 0 Details
41 North District School Trials 2023 (U7 Boys) Rapid 2023-02-04 2023-02-04 Cape Town (WCT) 6 1200 4 4 1625 0 Details
42 Laerskool Welgemoed Rapid 2023 (U8) Rapid 2023-02-11 2023-02-11 Cape Town (WCT) 5 1200 5 5 1605.9 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 23
Wins 13
Draws 4
Losses 6
White 11
Black 12
White wins 6
Black wins 7
Score 15
Percent 65.2
Dp 129.3
AOR 1386
Performance 1515.4
Game statistics (History)
Games 227
Wins 138
Draws 24
Losses 65
White 115
Black 112
White wins 72
Black wins 66
Score 150
Percent 66.1
Dp 136.7
AOR 1294.4
Performance 1431.1
Rankings (Main)
National
Overall 1091
Gender 1002
Age group 52
Gender/Age 46
Provincial
Overall 326
Gender 299
Age group 13
Gender/Age 12
Regional
Overall 214
Gender 199
Age group 10
Gender/Age 9
Rankings (Standard)
National
Overall 934
Gender 857
Age group 45
Gender/Age 40
Provincial
Overall 257
Gender 233
Age group 10
Gender/Age 9
Regional
Overall 182
Gender 169
Age group 7
Gender/Age 7
Rankings (Rapid)
National
Overall 544
Gender 486
Age group 43
Gender/Age 34
Provincial
Overall 278
Gender 240
Age group 25
Gender/Age 17
Regional
Overall 140
Gender 130
Age group 13
Gender/Age 12
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 23
Score 15
Percent 65.2
Aor 1386
Dp 129.3
Prat 1515.4
Performance (12 months)
Games 91
Score 62.5
Percent 68.7
Aor 1362.2
Dp 158.8
Prat 1521
Performance (History)
Games 227
Score 150
Percent 66.1
Aor 1294.4
Dp 136.7
Prat 1431.1
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Akemdien, A (Alex) 6 4 2 CBC Rapid Chess Tournament 2024 (U8) COGH 2026 (U12) Details
Overall 2 Klopper, E (Elbe) 4 4 0 Cape Town Metro Schools Chess Closed Individuals 2023 (U7 Mixed) Strategize to Win 2024 (E) Details
Overall 3 Van Der Merwe, S (Schalk Wolf) 4 2 2 North District School Trials 2024 (U9 Boys) CT Metro North Schools Chess Individual Trials 2026 (U11 Boys) Details
Overall 4 Marais, A (Alexander) 4 3 1 Western Cape PS Individuals Championship 2024 (U9 Boys) COGH 2026 (U12) Details
Overall 5 Chang, C (Caelem) 4 2 2 Laerskool Welgemoed Rapid 2025 (U10) Laerskool Welgemoed Rapid 2026 (U12) Details
Standard 1 Marais, A (Alexander) 3 2 1 Western Cape PS Individuals Championship 2024 (U9 Boys) Helderberg Chess Club Open 2026 (U11 Mixed) Details
Standard 2 Akemdien, A (Alex) 3 2 1 CT Metro North Schools Chess Individual Trials 2025 (U9 Open) Helderberg Chess Club Open 2025 (U9) Details
Standard 3 Maseko, T (Taddeus) 2 1 1 South African Junior Closed Chess Championships 2025 (U10 Open) 2025 Mzansi Inter Provincial Team Championships (U10 Combined) Details
Standard 4 Kruger, J (Josua Baruch) 2 0 2 CT Metro Schools Individual Closed 2025 (U9 Open) Cape Town Open Chess Festival 2025 (U10) Details
Standard 5 Venter, M (Michael) 2 1 1 CT Metro Schools Individual Closed 2025 (U9 Open) Western Cape Schools Individual Championship 2025 (U9 Boys) Details
Rapid 1 Rogova, E (Emilia) 3 0 3 Laerskool Welgemoed Rapid 2023 (U8) Chas Everitt and MHI Attorneys Rapid 2023 (U8) Details
Rapid 2 Van Wyk, A (Alonzo) 3 2 1 Laerskool Welgemoed Rapid 2023 (U8) North District School Trials 2023 (U7 Boys) Details
Rapid 3 Akemdien, A (Alex) 3 2 1 CBC Rapid Chess Tournament 2024 (U8) COGH 2026 (U12) Details
Rapid 4 Chang, C (Caelem) 3 2 1 Laerskool Welgemoed Rapid 2025 (U10) Laerskool Welgemoed Rapid 2026 (U12) Details
Rapid 5 Horn, N (Nielen) 3 2 1 CBC Rapid Chess Tournament 2024 (U8) Laerskool Welgemoed Rapid 2025 (U10) Details