Surname or Chess SA id..
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Mason Stern

1150137343
Cape Town (WCT)
Personal
Main rating
Rating 1772.3
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 1743.9
Final +/- 0
New Rating
()
Rating 1772.3
K-factor 24
Floor 1368.8
Highest 1868.8 (2025-08-01)
Min/Max +/- allowed 63.9
Standard rating
Rating 1772.7
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 1759.6
Final +/- 0
New Rating
()
Rating 1772.7
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 1504.6
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 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
2 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
3 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
4 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
5 District Central Schools Chess Individual Trials 2026 (U11 Open) Standard 2026-02-07 2026-07-08 Cape Town (WCT) 6 1750 6 6 1763.2 4.6 Details
6 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
7 2025 African Youth Chess Championship Classical 2025-12-07 2025-12-13 Zimbabwe (ZIM) 9 1733.2 9 6 1786.7 14 Details
8 Commonwealth Chess Championship 2025 (Blitz) Blitz 2025-11-16 2025-11-16 Malaysia (MAS) 9 1803.4 9 3.5 1508.3 -11 Details
9 Commonwealth Chess Championship 2025 Classical 2025-11-09 2025-11-16 Malaysia (MAS) 9 1803.4 8 3 1506.7 -55.4 Details
10 FIDE World Cadet Championships 2025 Classical 2025-09-19 2025-09-30 FIDE (FID) 11 1867.4 11 5 1628.9 -60.6 Details
11 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
12 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
13 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
14 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
15 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
16 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
17 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
18 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
19 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
20 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
21 Steinitz Festival 2025 (Open) Rapid 2025-03-15 2025-03-15 Cape Town (WCT) 7 1531.6 7 3 1451.1 -10.6 Details
22 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
23 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
24 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
25 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
26 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
27 Marie Delport Memorial 2025 (U12 Boys) Standard 2025-01-25 2025-01-26 Cape Winelands (WCW) 6 1460 6 5 1534.5 9 Details
28 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
29 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
30 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
31 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
32 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
33 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
34 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
35 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
36 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
37 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
38 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
39 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
40 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
41 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
42 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
43 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
44 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
45 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
46 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
47 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
48 WP Closed 2023 (U10) Standard 2023-06-17 2023-06-17 Cape Town (WCT) 5 1454.7 5 5 1759.1 29.2 Details
49 Western Cape PS Individuals 2023 (U9 Boys) Standard 2023-05-05 2023-05-06 Cape Town (WCT) 6 1448.5 6 5 1626 20.9 Details
50 Steinitz Open 2023 (C) Standard 2023-05-26 2023-05-28 Cape Town (WCT) 6 1448.5 6 3.5 1306.6 -17.3 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 41
Wins 31
Draws 6
Losses 4
White 21
Black 20
White wins 15
Black wins 16
Score 34
Percent 82.9
Dp 279.9
AOR 1482.2
Performance 1762
Game statistics (History)
Games 457
Wins 289
Draws 48
Losses 120
White 227
Black 230
White wins 146
Black wins 143
Score 313
Percent 68.5
Dp 157.2
AOR 1381.2
Performance 1538.4
Rankings (Main)
National
Overall 313
Gender 294
Age group 4
Gender/Age 4
Provincial
Overall 99
Gender 93
Age group 3
Gender/Age 3
Regional
Overall 79
Gender 75
Age group 3
Gender/Age 3
Rankings (Standard)
National
Overall 299
Gender 280
Age group 4
Gender/Age 4
Provincial
Overall 93
Gender 87
Age group 2
Gender/Age 2
Regional
Overall 79
Gender 74
Age group 2
Gender/Age 2
Rankings (Rapid)
National
Overall 203
Gender 196
Age group 10
Gender/Age 9
Provincial
Overall 97
Gender 93
Age group 7
Gender/Age 6
Regional
Overall 56
Gender 55
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 35
Score 28
Percent 80
Aor 1506.8
Dp 255
Prat 1761.8
Performance (12 months)
Games 94
Score 61.5
Percent 65.4
Aor 1565.4
Dp 131.1
Prat 1696.5
Performance (History)
Games 457
Score 313
Percent 68.5
Aor 1381.2
Dp 157.2
Prat 1538.4
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Van Der Merwe, S (Schalk Wolf) 15 7 8 Laerskool Welgemoed 12th Annual Chess Challenge 2022 (U8+U10) Laerskool Welgemoed Rapid 2026 (U12) 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 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 3 Van Der Merwe, S (Schalk Wolf) 5 1 4 Cape Town Metro Schools Chess Closed Individuals 2024 (U9 Boys) South African Junior Closed Chess Championships 2025 (U10 Open) 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 Armay, K (Kayra) 3 1 2 Curro Durbanville Chess Open Rapid 2022 (U8+U10) Kenridge Rapid 2022 (U8) Details
Rapid 4 Whyatt, B (Benji) 3 2 1 Central District School Trials 2023 (U9 Boys) Curro Chess Open Rapid 2025 (U12) Details
Rapid 5 Henning, I (Ivan) 2 1 1 The Hermanus Open 2022 (U8) The Hermanus Open 2022 (U8) Details