PLAYER PAGE

Alexander Marais

1150140699
Cape Town (WCT)
Personal
Main rating
Rating 1556.1
K-factor 32
Floor 1081
Highest 1581 (2026-02-28)
Min/Max +/- allowed 96
Rating Change
()
Games 7
Score 4
We 4.03
SWe -0.03
Temp +/- -1
Penalties 0
Weight perform 1522.9
Final +/- -1
New Rating
()
Rating 1555.1
K-factor 32
Floor 1081
Highest 1581 (2026-02-28)
Min/Max +/- allowed 96.4
Standard rating
Rating 1523.6
K-factor 32
Floor 1048.4
Highest 1548.4 (2025-04-01)
Min/Max +/- allowed 100.9
Rating Change
()
Games 7
Score 4
We 3.69
SWe 0.31
Temp +/- 9.8
Penalties 0
Weight perform 1512.4
Final +/- +9.8
New Rating
()
Rating 1533.4
K-factor 32
Floor 1048.4
Highest 1548.4 (2025-04-01)
Min/Max +/- allowed 100.9
Rapid rating
Rating 1595.5
K-factor 32
Floor 1095.5
Highest 1595.5 (2026-04-01)
Min/Max +/- allowed 94.4
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1556
Final +/- 0
New Rating
()
Rating 1595.5
K-factor 32
Floor 1095.5
Highest 1595.5 (2026-04-01)
Min/Max +/- allowed 94.4
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
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 South African Open Championship 2026 (U11 Boys) Classical 2026-07-02 2026-07-05 Cape Town (WCT) 7 1556.1 7 4 1556.6 -1 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 CTCF Open Championship 2026 (U12) Classical 2026-06-13 2026-06-14 Cape Town (WCT) 6 1573.7 6 4.5 1492.8 -17.6 Details
2 Moja Chess Extravaganza 2026 (U12) Standard 2026-04-25 2026-04-26 Cape Town (WCT) 5 1560.3 5 3.5 1651.3 13.4 Details
3 Mary-Anne Bartels Closed Chess Tournament 2026 (U11 Boys) Rapid 2026-03-14 2026-03-14 Cape Town (WCT) 5 1546.4 5 5 1657.6 13.8 Details
4 CT Metro Schools Individual Closed 2026 (U11 Boys) Standard 2026-03-07 2026-03-08 Cape Town (WCT) 6 1581 6 3 1399.6 -34.6 Details
5 CT Metro District East Schools Chess Individuals Trials 2026 (U11 Boys) Standard 2026-02-07 2026-02-08 Cape Town (WCT) 6 1560.5 6 5 1602.9 3.5 Details
6 COGH 2026 (U12) Rapid 2026-01-31 2026-02-01 Cape Town (WCT) 6 1560.5 6 4.5 1676.7 4.5 Details
7 Helderberg Chess Club Open 2026 (U11 Mixed) Standard 2026-01-17 2026-01-17 Cape Town (WCT) 5 1540.7 5 3 1566.1 1 Details
8 Chess Elevation Series 1 2026 (Level 2B) Rapid 2026-01-07 2026-01-07 Cape Town (WCT) 6 1540.7 6 4.5 1659.6 1.7 Details
9 2025 Mzansi Inter Provincial Team Championships (U12 Combined) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1560.7 6 3 1452.9 -12.4 Details
10 Gordons Bay Primary Chess Championship 2025 (Open) Rapid 2025-10-25 2025-10-25 Cape Town (WCT) 5 1579.8 5 3 1415.4 -11.9 Details
11 Grant East Annual Primary School Invitational Chess Tournament 2025 (U11 Boys) Standard 2025-10-18 2025-10-18 Cape Town (WCT) 5 1543.4 5 4 1584.6 3.5 Details
12 UCT Open Chess Championship 2025 (U10) Rapid 2025-10-11 2025-10-11 Cape Town (WCT) 6 1543.4 6 5 1794.7 19.2 Details
13 Helderberg Chess Club Open 2025 (U11) Standard 2025-06-07 2025-06-07 Cape Town (WCT) 5 1527.3 5 4 1621.5 10.1 Details
14 Cape Town Chess Junior League 2025 (U12) Standard 2025-05-10 2025-05-31 Cape Town (WCT) 6 1527.3 0 0 0 0 Details
15 Western Cape Schools Individual Championship 2025 (U11 Boys) Standard 2025-05-17 2025-05-18 Cape Winelands (WCW) 6 1566.5 6 3 1355.3 -24.6 Details
16 South African Junior Closed Chess Championships 2025 (U10 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1575.1 9 5 1544.9 -5.4 Details
17 Cape Town Open Chess Festival 2025 (U10) Standard 2025-03-22 2025-03-23 Cape Town (WCT) 6 1478.2 6 5 1639 18.9 Details
18 Western Cape Closed 2025 (U12) Standard 2025-03-08 2025-03-09 Cape Town (WCT) 6 1478.2 6 5.5 1704.9 30.2 Details
19 CT Metro Schools Individual Closed 2025 (U11 Open) Standard 2025-03-01 2025-03-02 Cape Town (WCT) 6 1478.2 6 4 1505.8 3.4 Details
20 Cape of Good Hope Open 2025 (U10) Rapid 2025-02-22 2025-02-22 Cape Town (WCT) 6 1482.1 6 4 1491.3 0.8 Details
21 CT Metro District East Schools Chess Individuals Trials 2025 (U11 Boys) Standard 2025-02-01 2025-02-02 Cape Town (WCT) 6 1482.1 6 4 1452.6 -3.3 Details
22 Helderberg Chess Club PS Development Tournament 2025 (U11 Boys) Standard 2025-01-25 2025-01-25 Cape Town (WCT) 5 1486.8 5 2.5 1449.1 -3 Details
23 Mzansi Interprovincial Youth Chess Championships 2024 (U10 Open Candidates) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1415.4 7 6.5 1680.2 44.6 Details
24 Helderberg Chess Club Open 2024 (B) Standard 2024-11-09 2024-11-10 Cape Town (WCT) 6 1455.2 6 3 1242 -24.9 Details
25 UCT Open Chess Championship 2024 (U10) Rapid 2024-10-12 2024-10-13 Cape Town (WCT) 6 1455.2 6 4 1453.3 0 Details
26 Stellenbosch Primary 2024 (U9) Rapid 2024-08-17 2024-08-17 Cape Winelands (WCW) 5 1434.5 5 5 1622.2 13 Details
27 CT Metro District East Top Schools Chess 2024 (U9 Mixed) Standard 2024-07-27 2024-07-28 Cape Town (WCT) 5 1445.4 5 3 1367.6 -6.8 Details
28 Cape Town Chess Federation Closed Chess Championships 2024 (U10) Standard 2024-06-15 2024-06-15 Cape Town (WCT) 5 1440.9 4 3 1476.9 2.8 Details
29 Western Cape PS Individuals Championship 2024 (U9 Boys) Standard 2024-05-04 2024-05-05 West Coast (WCU) 6 1458.7 6 3.5 1360.3 -11.1 Details
30 Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Boys) Standard 2024-03-02 2024-03-03 Cape Town (WCT) 6 1459 6 4 1455.3 -0.2 Details
31 Mary-Anne Bartels Closed Chess Tournament 2024 (U7+U9 Mixed) Rapid 2024-02-24 2024-02-24 Cape Town (WCT) 5 1330.4 5 5 1618.6 21.1 Details
32 CT District East Schools Chess Individuals Trails 2024 (U7+U9 Boys) Standard 2024-02-03 2024-02-03 Cape Town (WCT) 5 1330.4 5 5 1711.1 36.5 Details
33 Cape of Good Hope Open Chess Tournament 2024 (U10) Rapid 2024-02-17 2024-02-17 Cape Town (WCT) 6 1330.4 6 4.5 1495.4 14.1 Details
34 Kraaifontein Open 2023 (U10) Rapid 2023-12-09 2023-12-09 Cape Town (WCT) 6 1333.9 6 3.5 1309.3 -2.1 Details
35 Grant East Primary School Invitational Chess Tournament 2023 (U9 Mixed) Rapid 2023-11-04 2023-11-04 Cape Town (WCT) 6 1297.4 6 5 1536.7 20.4 Details
36 Western Cape Closed Championship 2023 (U10) Rapid 2023-09-23 2023-09-23 Cape Town (WCT) 6 1296 6 3 1304.1 0.7 Details
37 Stellenbosch Primary Chess Tournament 2023 (U10) Rapid 2023-08-19 2023-08-19 Cape Winelands (WCW) 6 1286.5 6 4 1348.2 5.3 Details
38 Cape Winelands Open 2023 (U10) Standard 2023-07-23 2023-07-23 Cape Winelands (WCW) 5 1272.7 5 3 1356.1 7.9 Details
39 WP Closed 2023 (U10) Standard 2023-06-17 2023-06-17 Cape Town (WCT) 5 1240 5 3 1400.4 16.3 Details
40 GPCA Rapid 2023 (U10) Rapid 2023-06-24 2023-06-24 Cape Town (WCT) 7 1240 7 4 1253.5 1.7 Details
41 Western Cape PS Individuals 2023 (U9 Boys) Standard 2023-05-05 2023-05-06 Cape Town (WCT) 6 1247.5 6 3 1242.5 -0.7 Details
42 Steinitz Open 2023 (U10) Rapid 2023-05-27 2023-05-27 Cape Town (WCT) 5 1247.5 5 2 1131.2 -6.8 Details
43 Rhenish Primary Tournament 2023 (U10) Rapid 2023-05-13 2023-05-13 Cape Winelands (WCW) 5 1247.5 5 3 1297.8 3.1 Details
44 Cape Town Open 2023 (U10) Rapid 2023-03-25 2023-03-25 Cape Town (WCT) 6 1257.2 0 0 0 0 Details
45 Cape Town Metro Schools Chess Closed Individuals 2023 (U9 Boys) Rapid 2023-03-04 2023-03-04 Cape Town (WCT) 5 1257.2 5 2 1174.3 -5.4 Details
46 Mary-Anne Bartels Chess Tournament 2023 (U7+U9) Rapid 2023-02-21 2023-02-21 Cape Town (WCT) 5 1249.2 5 4 1462.5 15.7 Details
47 Laerskool Welgemoed Rapid 2023 (U10) Rapid 2023-02-11 2023-02-11 Cape Town (WCT) 6 1249.2 6 3 1278.3 2.2 Details
48 District East Schools Chess Individual Trials 2023 (U7+U9 Mixed) Rapid 2023-02-04 2023-02-04 Cape Town (WCT) 5 1249.2 5 2 1067.9 -13.3 Details
49 Stellenbosch Primary 2022 (U7) Rapid 2022-08-13 2022-08-13 Cape Winelands (WCW) 6 1208.4 6 5 1475.9 22.8 Details
50 Rhenish Primary Tournament 2022 (U10) Rapid 2022-05-14 2022-05-14 Cape Winelands (WCW) 5 1200 5 3 1266.5 4.2 Details
Game statistics ( )
Games 7
Wins 4
Draws 0
Losses 3
White 4
Black 3
White wins 2
Black wins 2
Score 4
Percent 57.1
Dp 60.7
AOR 1495.9
Performance 1556.6
Game statistics ()
Games 52
Wins 35
Draws 4
Losses 13
White 27
Black 25
White wins 18
Black wins 17
Score 37
Percent 71.2
Dp 179.8
AOR 1402.1
Performance 1581.9
Game statistics (History)
Games 279
Wins 182
Draws 12
Losses 85
White 140
Black 139
White wins 84
Black wins 98
Score 188
Percent 67.4
Dp 147.8
AOR 1317.2
Performance 1465
Rankings (Main)
National
Overall 1410
Gender 1278
Age group 93
Gender/Age 78
Provincial
Overall 427
Gender 385
Age group 31
Gender/Age 26
Regional
Overall 266
Gender 246
Age group 18
Gender/Age 16
Rankings (Standard)
National
Overall 1570
Gender 1388
Age group 122
Gender/Age 101
Provincial
Overall 454
Gender 388
Age group 39
Gender/Age 30
Regional
Overall 276
Gender 248
Age group 20
Gender/Age 18
Rankings (Rapid)
National
Overall 176
Gender 172
Age group 5
Gender/Age 5
Provincial
Overall 86
Gender 84
Age group 3
Gender/Age 3
Regional
Overall 49
Gender 48
Age group 2
Gender/Age 2
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 7
Score 4
Percent 57.1
Aor 1495.9
Dp 60.7
Prat 1556.6
Performance ()
Games 52
Score 37
Percent 71.2
Aor 1402.1
Dp 179.8
Prat 1581.9
Performance (12 months)
Games 74
Score 52
Percent 70.3
Aor 1405.4
Dp 172.3
Prat 1577.7
Performance (History)
Games 279
Score 188
Percent 67.4
Aor 1317.2
Dp 147.8
Prat 1465
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Van Der Merwe, S (Schalk Wolf) 7 5 2 Laerskool Welgemoed Rapid 2023 (U10) UCT Open Chess Championship 2025 (U10) Details
Overall 2 Lin, J (Junming) 5 4 1 Cape of Good Hope Open Chess Tournament 2024 (U10) COGH 2026 (U12) Details
Overall 3 Zhang, M (Ming Xuan Jesse) 5 2 3 UCT Open Chess Championship 2024 (U10) Chess Elevation Series 1 2026 (Level 2B) Details
Overall 4 Nel, J (Joshua) 5 3 2 CT District East Schools Chess Individuals Trails 2024 (U7+U9 Boys) Helderberg Chess Club Open 2026 (U11 Mixed) Details
Overall 5 Klopper, B (Ben) 5 2 3 GPCA Rapid 2023 (U10) Helderberg Chess Club Open 2025 (U11) Details
Standard 1 Nel, J (Joshua) 5 3 2 CT District East Schools Chess Individuals Trails 2024 (U7+U9 Boys) Helderberg Chess Club Open 2026 (U11 Mixed) Details
Standard 2 Klopper, B (Ben) 3 1 2 Cape Winelands Open 2023 (U10) Helderberg Chess Club Open 2025 (U11) Details
Standard 3 Zwartz, Z (Zeke) 3 1 2 Western Cape PS Individuals Championship 2024 (U9 Boys) Helderberg Chess Club Open 2026 (U11 Mixed) Details
Standard 4 Basson, C (Connor) 3 3 0 CT Metro District East Schools Chess Individuals Trials 2026 (U11 Boys) Moja Chess Extravaganza 2026 (U12) Details
Standard 5 Akemdien, A (Alex) 3 1 2 Mzansi Interprovincial Youth Chess Championships 2024 (U10 Open Candidates) Helderberg Chess Club Open 2026 (U11 Mixed) Details
Rapid 1 Van Der Merwe, S (Schalk Wolf) 5 3 2 Laerskool Welgemoed Rapid 2023 (U10) UCT Open Chess Championship 2025 (U10) Details
Rapid 2 Zhang, M (Ming Xuan Jesse) 3 1 2 UCT Open Chess Championship 2024 (U10) Chess Elevation Series 1 2026 (Level 2B) Details
Rapid 3 Johnson, B (Brian) 2 1 1 UCT Open Chess Championship 2024 (U10) COGH 2026 (U12) Details
Rapid 4 Rogova, E (Emilia) 2 1 1 UCT Open Chess Championship 2024 (U10) COGH 2026 (U12) Details
Rapid 5 Tredoux, J (Jean) 2 0 2 Stellenbosch Primary 2022 (U7) Stellenbosch Primary Chess Tournament 2023 (U10) Details