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

PLAYER PAGE

Mason Stern

1150137343
Cape Town (WCT)
Personal
Main rating
Rating 1821.7
K-factor 24
Floor 1368.8
Highest 1868.8 (2025-08-01)
Min/Max +/- allowed 64
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1816.1
Final +/- 0
New Rating
()
Rating 1821.7
K-factor 24
Floor 1368.8
Highest 1868.8 (2025-08-01)
Min/Max +/- allowed 63.9
Standard rating
Rating 1822.7
K-factor 24
Floor 1352.3
Highest 1852.3 (2025-09-01)
Min/Max +/- allowed 65.5
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1816.1
Final +/- 0
New Rating
()
Rating 1822.7
K-factor 24
Floor 1352.3
Highest 1852.3 (2025-09-01)
Min/Max +/- allowed 65.5
Rapid rating
Rating 1576.1
K-factor 32
Floor 1079.6
Highest 1579.6 (2025-03-01)
Min/Max +/- allowed 96.6
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1461.1
Final +/- 0
New Rating
()
Rating 1576.1
K-factor 32
Floor 1079.6
Highest 1579.6 (2025-03-01)
Min/Max +/- allowed 96.6
Blitz rating
Rating 1305.4
K-factor 36
Floor 805.4
Highest 1305.4 (2025-11-30)
Min/Max +/- allowed 142.7
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1305.4
K-factor 36
Floor 805.4
Highest 1305.4 (2025-11-30)
Min/Max +/- allowed 142.7
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 Western Cape Women's Championship 2026 (U14) Standard 2026-08-08 2026-08-08 West Coast (WCU) 5 1821.7 5 5 1901.1 14.3 Details
2 South African Open Championship 2026 (U11 Boys) Classical 2026-07-02 2026-07-05 Cape Town (WCT) 7 1772.3 7 6.5 1936 34 Details
3 2026 Africa Youth Chess Championship Classical 2026-05-15 2026-05-21 Uganda (UGA) 9 1789.7 9 6.5 1722.2 -17.5 Details
4 South African Junior Closed Chess Championship 2026 (U12 Open) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1754.2 9 7.5 1888.5 35.5 Details
5 CT Metro Schools Individual Closed 2026 (U11 Boys) Standard 2026-03-07 2026-03-08 Cape Town (WCT) 6 1758.8 6 4.5 1720.5 -4.7 Details
6 Laerskool Welgemoed Rapid 2026 (U12) Rapid 2026-02-14 2026-02-14 Cape Town (WCT) 6 1750 6 4.5 1636.4 -7.6 Details
7 District Central Schools Chess Individual Trials 2026 (U11 Open) Standard 2026-02-07 2026-02-07 Cape Town (WCT) 6 1750 6 6 1763.2 4.6 Details
8 Marie Delport Memorial 2026 (U12 Boys) Standard 2026-01-31 2026-01-31 Cape Winelands (WCW) 5 1750 5 5 1805.1 4.6 Details
9 2025 African Youth Chess Championship Classical 2025-12-07 2025-12-13 Zimbabwe (ZIM) 9 1733.2 9 6 1786.7 14 Details
10 Commonwealth Chess Championship 2025 (Blitz) Blitz 2025-11-16 2025-11-16 Malaysia (MAS) 9 1803.4 9 3.5 1508.3 -11 Details
11 Commonwealth Chess Championship 2025 Classical 2025-11-09 2025-11-16 Malaysia (MAS) 9 1803.4 8 3 1506.7 -55.4 Details
12 FIDE World Cadet Championships 2025 Classical 2025-09-19 2025-09-30 FIDE (FID) 11 1867.4 11 5 1628.9 -60.6 Details
13 UCT Open Chess Championship 2025 (Championship) Standard 2025-10-10 2025-10-12 Cape Town (WCT) 6 1867.4 6 1 1444.5 -55.8 Details
14 Curro Chess Open Rapid 2025 (U12) Rapid 2025-08-23 2025-08-23 Cape Town (WCT) 6 1868.8 6 5 1762.4 -3.8 Details
15 Western Cape Women’s Championship 2025 (U12) Standard 2025-08-09 2025-08-09 West Coast (WCU) 5 1868.8 5 5 1824.4 2.7 Details
16 Cape Winelands Open 2025 (U12) Standard 2025-07-19 2025-07-19 Cape Winelands (WCW) 5 1835.2 5 5 1964.3 13.6 Details
17 Helderberg Chess Club Open 2025 (U11) Standard 2025-06-07 2025-06-07 Cape Town (WCT) 5 1755.6 5 5 1937.8 18.8 Details
18 Cape Town Chess Junior League 2025 (U12) Standard 2025-05-10 2025-05-31 Cape Town (WCT) 6 1755.6 6 5.5 1832.8 11.6 Details
19 Western Cape Schools Individual Championship 2025 (U11 Boys) Standard 2025-05-17 2025-05-18 Cape Winelands (WCW) 6 1690 6 5 1809.4 14.3 Details
20 West Coast And Mykonos Open 2025 (U12) Standard 2025-05-02 2025-05-04 West Coast (WCU) 5 1690 5 5 1796 11.3 Details
21 South African Junior Closed Chess Championships 2025 (U10 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1616.9 9 8 1853 52.2 Details
22 Cape Town Open Chess Festival 2025 (U10) Standard 2025-03-22 2025-03-23 Cape Town (WCT) 6 1531.6 6 5.5 1753.2 26.1 Details
23 Steinitz Festival 2025 (Open) Rapid 2025-03-15 2025-03-15 Cape Town (WCT) 7 1531.6 7 3 1451.1 -10.6 Details
24 Western Cape Closed 2025 (U12) Standard 2025-03-08 2025-03-09 Cape Town (WCT) 6 1531.6 6 5 1631.3 13.5 Details
25 CT Metro Schools Individual Closed 2025 (U11 Open) Standard 2025-03-01 2025-03-02 Cape Town (WCT) 6 1531.6 6 5 1732 24.2 Details
26 Cape of Good Hope Open 2025 (U10) Rapid 2025-02-22 2025-02-22 Cape Town (WCT) 6 1474.4 6 5 1649.3 13.5 Details
27 Laerskool Welgemoed Rapid 2025 (U12) Rapid 2025-02-15 2025-02-15 Cape Town (WCT) 6 1474.4 6 5.5 1689.7 17.5 Details
28 2025 District Central Schools Chess Individual Trials (U11 Open) Standard 2025-01-31 2025-02-01 Cape Town (WCT) 6 1474.4 6 4.5 1513.3 4.8 Details
29 Marie Delport Memorial 2025 (U12 Boys) Standard 2025-01-25 2025-01-26 Cape Winelands (WCW) 6 1460 6 5 1534.5 9 Details
30 Laerskool Welgemoed Rapid 2024 (U10) Rapid 2024-10-19 2024-10-19 Cape Town (WCT) 6 1544.3 6 5 1651.4 8.4 Details
31 Chess Elevation Series - October 2024 (Level 5) Standard 2024-10-25 2024-10-26 Cape Town (WCT) 5 1544.3 5 1 1239.5 -32 Details
32 UCT Open Chess Championship 2024 (Advanced) Standard 2024-10-12 2024-10-13 Cape Town (WCT) 5 1544.3 5 1.5 1288.7 -29.1 Details
33 Curro Durbanville Chess Rapid Open 2024 (Championship) Rapid 2024-07-13 2024-07-13 Cape Town (WCT) 6 1569.4 6 1.5 1389.3 -15.6 Details
34 2024 African Youth Chess Championship Classical 2024-06-16 2024-06-22 Tshwane (GTP) 9 1527.2 9 5.5 1648.1 26.4 Details
35 South African Junior Closed Chess Championship 2024 (U10 Open) Classical 2024-04-27 2024-05-01 Ekurhuleni (GE) 9 1431.8 9 5.5 1559.5 26.4 Details
36 Western Cape PS Individuals Championship 2024 (U9 Boys) Standard 2024-05-04 2024-05-05 West Coast (WCU) 6 1431.8 6 5.5 1702 33.2 Details
37 Hermanus Chess Club Open 2024 (Advanced) Rapid 2024-04-20 2024-04-20 Overberg (WOS) 7 1381.3 7 2.5 1427.7 3.1 Details
38 Hermanus Chess Club Open 2024 (Blitz) Blitz 2024-04-19 2024-04-19 Overberg (WOS) 7 1381.3 7 3 1385.4 0.3 Details
39 Strategize to Win 2024 (C) Standard 2024-04-13 2024-04-14 Cape Town (WCT) 5 1381.3 5 4 1652.7 28.3 Details
40 Cape Town Open Chess Championship 2024 (Intermediate) Standard 2024-03-16 2024-03-17 Cape Town (WCT) 6 1386 6 2.5 1191.9 -23.6 Details
41 Chas Everitt and MHI Attorneys Rapid 2024 (B) Rapid 2024-03-09 2024-03-09 Cape Town (WCT) 6 1386 6 3 1320.5 -4.9 Details
42 Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Boys) Standard 2024-03-02 2024-03-03 Cape Town (WCT) 6 1386 6 5 1601.1 25.4 Details
43 CT Metro Central District Schools Chess Individuals Trials 2024 (U9 Boys) Standard 2024-02-03 2024-02-03 Cape Town (WCT) 5 1346 5 5 1644.2 29.9 Details
44 Cape of Good Hope Open Chess Tournament 2024 (Intermediate) Standard 2024-02-17 2024-02-17 Cape Town (WCT) 6 1346 6 3 1304.2 -5.1 Details
45 FIDE WORLD CADETS CHESS CHAMPIONSHIPS 2023 Classical 2023-10-16 2023-10-26 Egypt (EGY) 11 1460.4 11 3.5 953.5 -122 Details
46 Western Cape Closed Championship 2023 (D) Standard 2023-09-24 2023-09-25 Cape Town (WCT) 6 1465.2 6 2.5 1238.3 -29.8 Details
47 Western Cape Closed Championship 2023 (U10) Rapid 2023-09-23 2023-09-23 Cape Town (WCT) 6 1465.2 6 6 1830.2 27.1 Details
48 CW Top Schools 2023 (Intermediate) Standard 2023-08-12 2023-08-12 West Coast (WCU) 5 1482.2 5 3 1378.2 -10.6 Details
49 Curro Durbanville Chess Open Rapid 2023 (Intermediate) Rapid 2023-07-15 2023-07-15 Cape Town (WCT) 6 1512.4 6 3 1307.9 -18.8 Details
50 WP Closed 2023 (U10) Standard 2023-06-17 2023-06-17 Cape Town (WCT) 5 1454.7 5 5 1759.1 29.2 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 53
Wins 42
Draws 7
Losses 4
White 26
Black 27
White wins 20
Black wins 22
Score 45.5
Percent 85.8
Dp 304.7
AOR 1493.4
Performance 1798.1
Game statistics (History)
Games 469
Wins 300
Draws 49
Losses 120
White 232
Black 237
White wins 151
Black wins 149
Score 324.5
Percent 69.2
Dp 163.1
AOR 1385.1
Performance 1548.2
Rankings (Main)
National
Overall 228
Gender 216
Age group 3
Gender/Age 3
Provincial
Overall 74
Gender 71
Age group 2
Gender/Age 2
Regional
Overall 62
Gender 60
Age group 2
Gender/Age 2
Rankings (Standard)
National
Overall 218
Gender 206
Age group 3
Gender/Age 3
Provincial
Overall 66
Gender 64
Age group 2
Gender/Age 2
Regional
Overall 57
Gender 55
Age group 2
Gender/Age 2
Rankings (Rapid)
National
Overall 225
Gender 213
Age group 12
Gender/Age 10
Provincial
Overall 108
Gender 101
Age group 8
Gender/Age 6
Regional
Overall 62
Gender 61
Age group 5
Gender/Age 5
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 53
Score 45.5
Percent 85.8
Aor 1493.4
Dp 304.7
Prat 1798.1
Performance (12 months)
Games 96
Score 64
Percent 66.7
Aor 1562.4
Dp 141.7
Prat 1704.1
Performance (History)
Games 469
Score 324.5
Percent 69.2
Aor 1385.1
Dp 163.1
Prat 1548.2
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Van Der Merwe, S (Schalk Wolf) 16 7 9 Laerskool Welgemoed 12th Annual Chess Challenge 2022 (U8+U10) South African Open Championship 2026 (U11 Boys) Details
Overall 2 Manning, C (Callan) 11 5 6 Laerskool Welgemoed 12th Annual Chess Challenge 2022 (U8+U10) UCT Open Chess Championship 2025 (Championship) Details
Overall 3 Resnekov, O (Oliver) 6 4 2 WP Closed 2022 (U8+U10) South African Junior Closed Chess Championship 2026 (U12 Open) Details
Overall 4 Wiggill, H (Handre) 6 3 3 Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Boys) CT Metro Schools Individual Closed 2026 (U11 Boys) Details
Overall 5 Klopper, B (Ben) 6 5 1 Western Cape PS Individuals 2023 (U9 Boys) Cape Winelands Open 2025 (U12) Details
Standard 1 Manning, C (Callan) 6 3 3 WP Closed 2022 (U8+U10) UCT Open Chess Championship 2025 (Championship) Details
Standard 2 Van Der Merwe, S (Schalk Wolf) 6 1 5 Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Boys) South African Open Championship 2026 (U11 Boys) Details
Standard 3 Wiggill, H (Handre) 5 3 2 Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Boys) CT Metro Schools Individual Closed 2026 (U11 Boys) Details
Standard 4 Klopper, B (Ben) 5 4 1 Western Cape PS Individuals 2023 (U9 Boys) Cape Winelands Open 2025 (U12) Details
Standard 5 Resnekov, O (Oliver) 4 2 2 WP Closed 2022 (U8+U10) South African Junior Closed Chess Championship 2026 (U12 Open) Details
Rapid 1 Van Der Merwe, S (Schalk Wolf) 10 6 4 Laerskool Welgemoed 12th Annual Chess Challenge 2022 (U8+U10) Laerskool Welgemoed Rapid 2026 (U12) Details
Rapid 2 Manning, C (Callan) 5 2 3 Laerskool Welgemoed 12th Annual Chess Challenge 2022 (U8+U10) Curro Durbanville Chess Rapid Open 2024 (Championship) Details
Rapid 3 Whyatt, B (Benji) 3 2 1 Central District School Trials 2023 (U9 Boys) Curro Chess Open Rapid 2025 (U12) Details
Rapid 4 Armay, K (Kayra) 3 1 2 Curro Durbanville Chess Open Rapid 2022 (U8+U10) Kenridge Rapid 2022 (U8) Details
Rapid 5 Priestley, L (Logan) 2 0 2 CTCA Rapid Masters @ Claremont Chess Club 2022 (Junior) Hermanus Chess Club Open 2024 (Advanced) Details