PLAYER PAGE

Mason Stern

1150137343
Cape Town (WCT)
Personal
Main rating
Rating 1754.2
K-factor 24
Floor 1368.8
Highest 1868.8 (2025-08-01)
Min/Max +/- allowed 64
Rating Change
()
Games 9
Score 7.5
We 6.02
SWe 1.48
Temp +/- 35.5
Penalties 0
Weight perform 1761.5
Final +/- +35.5
New Rating
()
Rating 1789.7
K-factor 24
Floor 1368.8
Highest 1868.8 (2025-08-01)
Min/Max +/- allowed 63.9
Standard rating
Rating 1754.7
K-factor 24
Floor 1352.3
Highest 1852.3 (2025-09-01)
Min/Max +/- allowed 65.5
Rating Change
()
Games 9
Score 7.5
We 6.02
SWe 1.48
Temp +/- 35.6
Penalties 0
Weight perform 1790.6
Final +/- +35.9
New Rating
()
Rating 1790.6
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 1525.7
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
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 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
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 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
2 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
3 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
4 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
5 2025 African Youth Chess Championship Classical 2025-12-07 2025-12-13 Zimbabwe (ZIM) 9 1733.2 9 6 1786.7 14 Details
6 Commonwealth Chess Championship 2025 (Blitz) Blitz 2025-11-16 2025-11-16 Malaysia (MAS) 9 1803.4 9 3.5 1508.3 -11 Details
7 Commonwealth Chess Championship 2025 Classical 2025-11-09 2025-11-16 Malaysia (MAS) 9 1803.4 8 3 1506.7 -55.4 Details
8 FIDE World Cadet Championships 2025 Classical 2025-09-19 2025-09-30 FIDE (FID) 11 1867.4 11 5 1628.9 -60.6 Details
9 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
10 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
11 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
12 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
13 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
14 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
15 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
16 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
17 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
18 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
19 Steinitz Festival 2025 (Open) Rapid 2025-03-15 2025-03-15 Cape Town (WCT) 7 1531.6 7 3 1451.1 -10.6 Details
20 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
21 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
22 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
23 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
24 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
25 Marie Delport Memorial 2025 (U12 Boys) Standard 2025-01-25 2025-01-26 Cape Winelands (WCW) 6 1460 6 5 1534.5 9 Details
26 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
27 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
28 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
29 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
30 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
31 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
32 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
33 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
34 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
35 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
36 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
37 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
38 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
39 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
40 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
41 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
42 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
43 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
44 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
45 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
46 WP Closed 2023 (U10) Standard 2023-06-17 2023-06-17 Cape Town (WCT) 5 1454.7 5 5 1759.1 29.2 Details
47 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
48 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
49 Hermanus Rapid 2023 (C) Rapid 2023-04-22 2023-04-22 Overberg (WOS) 6 1434.3 6 6 1497.2 8.9 Details
50 Cape Town Open 2023 (U10) Rapid 2023-03-25 2023-03-25 Cape Town (WCT) 6 1409.4 6 5 1555.4 10.4 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 32
Wins 25
Draws 5
Losses 2
White 16
Black 16
White wins 11
Black wins 14
Score 27.5
Percent 85.9
Dp 305.5
AOR 1467.8
Performance 1773.2
Game statistics (History)
Games 448
Wins 283
Draws 47
Losses 118
White 222
Black 226
White wins 142
Black wins 141
Score 306.5
Percent 68.4
Dp 156.5
AOR 1378.2
Performance 1534.7
Rankings (Main)
National
Overall 324
Gender 306
Age group 3
Gender/Age 3
Provincial
Overall 106
Gender 102
Age group 2
Gender/Age 2
Regional
Overall 84
Gender 81
Age group 2
Gender/Age 2
Rankings (Standard)
National
Overall 326
Gender 307
Age group 3
Gender/Age 3
Provincial
Overall 96
Gender 92
Age group 2
Gender/Age 2
Regional
Overall 76
Gender 73
Age group 2
Gender/Age 2
Rankings (Rapid)
National
Overall 189
Gender 182
Age group 8
Gender/Age 7
Provincial
Overall 92
Gender 87
Age group 7
Gender/Age 6
Regional
Overall 57
Gender 55
Age group 5
Gender/Age 5
Rankings (Blitz)
National
Overall 272
Gender 260
Age group 4
Gender/Age 4
Provincial
Overall 104
Gender 100
Age group 2
Gender/Age 2
Regional
Overall 41
Gender 39
Age group 2
Gender/Age 2
Performance ( )
Games 9
Score 7.5
Percent 83.3
Aor 1605.2
Dp 283.3
Prat 1888.5
Performance ()
Games 26
Score 21.5
Percent 82.7
Aor 1497.7
Dp 277.9
Prat 1775.5
Performance (12 months)
Games 107
Score 75.5
Percent 70.6
Aor 1549.5
Dp 174.8
Prat 1724.3
Performance (History)
Games 448
Score 306.5
Percent 68.4
Aor 1378.2
Dp 156.5
Prat 1534.7
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 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 4 Klopper, B (Ben) 6 5 1 Western Cape PS Individuals 2023 (U9 Boys) Cape Winelands Open 2025 (U12) Details
Overall 5 Resnekov, O (Oliver) 5 3 2 WP Closed 2022 (U8+U10) Western Cape Schools Individual Championship 2025 (U11 Boys) 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 Klopper, B (Ben) 5 4 1 Western Cape PS Individuals 2023 (U9 Boys) Cape Winelands Open 2025 (U12) Details
Standard 4 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 5 Resnekov, O (Oliver) 3 1 2 WP Closed 2022 (U8+U10) Western Cape Schools Individual Championship 2025 (U11 Boys) 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