Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Janko Weideman

1120134372
Cape Town (WCT)
Personal
Main rating
Rating 1819.1
K-factor 24
Floor 1339.2
Highest 1842.7 (2025-11-01)
Min/Max +/- allowed 66
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1752.2
Final +/- 0
New Rating
()
Rating 1819.1
K-factor 24
Floor 1339.2
Highest 1842.7 (2025-11-01)
Min/Max +/- allowed 66.4
Standard rating
Rating 1820.3
K-factor 24
Floor 1307
Highest 1830.9 (2025-11-01)
Min/Max +/- allowed 67.5
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1794.6
Final +/- 0
New Rating
()
Rating 1820.3
K-factor 24
Floor 1307
Highest 1830.9 (2025-11-01)
Min/Max +/- allowed 67.5
Rapid rating
Rating 1782.9
K-factor 28
Floor 1282.9
Highest 1782.9 (2026-03-01)
Min/Max +/- allowed 72.3
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1747.6
Final +/- 0
New Rating
()
Rating 1782.9
K-factor 28
Floor 1282.9
Highest 1782.9 (2026-03-01)
Min/Max +/- allowed 72.3
Blitz rating
Rating 1350
K-factor 36
Floor 850
Highest 1350 (2026-06-01)
Min/Max +/- allowed 133.9
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1350
K-factor 36
Floor 850
Highest 1350 (2026-06-01)
Min/Max +/- allowed 133.9
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 WCSC HS Individual Championship (U15 Boys) Standard 2026-05-02 2026-05-03 Eden (WEG) 6 1816 6 4.5 1817.2 0.5 Details
2 Moja Chess Extravaganza 2026 (B) Classical 2026-04-25 2026-04-30 Cape Town (WCT) 9 1816 9 5 1840.4 7.3 Details
3 Moja Chess Extravaganza 2026 (Blitz) Blitz 2026-04-27 2026-04-27 Cape Town (WCT) 9 1816 9 4.5 1694.6 -4.7 Details
4 South African Junior Closed Chess Championship 2026 (U14 Open) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1758.9 9 7 1979.6 57.1 Details
5 Steinitz Chess Festival 2026 (Open) Rapid 2026-03-22 2026-03-22 Cape Town (WCT) 6 1790.1 5 3 1723 -3 Details
6 CT Metro Schools Individual Closed 2026 (U15 Boys) Standard 2026-03-07 2026-03-08 Cape Town (WCT) 6 1790.1 6 3.5 1618.6 -22.1 Details
7 CT Metro North Schools Chess Individual Trials 2026 (U15 Boys) Standard 2026-02-14 2026-02-15 Cape Town 6 1790.1 6 4.5 1714.2 -6.1 Details
8 COGH 2026 (Championship) Standard 2026-01-31 2026-02-01 Cape Town (WCT) 6 1778 6 2.5 1794.7 1 Details
9 Chess Elevation Series 2 2026 (Level 6) Standard 2026-01-23 2026-01-23 Cape Town (WCT) 5 1787.3 4 1 1686.7 -8.4 Details
10 Helderberg Chess Club Open 2026 (A) Standard 2026-01-17 2026-01-17 Cape Town (WCT) 5 1787.3 5 4 1869.8 2.8 Details
11 Six Gun Grill Summer Sport Festival Chess Championships 2025 (Individual U15) Rapid 2025-12-09 2025-12-09 Cape Winelands (WCW) 5 1823.6 5 5 1888.4 6.9 Details
12 Six Gun Grill Summer Sport Festival Chess Championships 2025 (Team U15+U18) Rapid 2025-12-08 2025-12-08 Cape Winelands (WCW) 5 1823.6 5 5 1866.7 7 Details
13 Kraaifontein Open 2025 (Championship) Standard 2025-12-06 2025-12-07 Cape Town (WCT) 5 1823.6 5 1.5 1538.6 -30.6 Details
14 Cape Town Chess Federation Club League 2025 (A) Classical 2025-07-26 2025-09-27 Cape Town (WCT) 11 1839.2 10 3 1534.5 -71.4 Details
15 Paarl Boys' High School Chess Festival 2025 (Primary Schools) Standard 2025-10-17 2025-10-18 Cape Winelands (WCW) 6 1839.2 6 5.5 1934.7 12.6 Details
16 UCT Open Chess Championship 2025 (Championship) Standard 2025-10-10 2025-10-12 Cape Town (WCT) 6 1839.2 6 3.5 2083.5 32.1 Details
17 Cape Town Metro North Top Schools 2025 (U13) Standard 2025-08-01 2025-08-02 Cape Town (WCT) 5 1834.4 5 5 1750.7 4 Details
18 4th Curro Durbanville Rapid Open 2025 (Championship) Rapid 2025-07-19 2025-07-19 Cape Town (WCT) 7 1821 7 3.5 1961.4 11.2 Details
19 Western Cape Schools Individual Championship 2025 (U13 Boys) Standard 2025-05-17 2025-05-18 Cape Winelands (WCW) 6 1818.5 6 5 1833.8 2.2 Details
20 Hermanus Chess Club Open 2025 (Championship) Rapid 2025-04-12 2025-04-12 Overberg (WOS) 7 1778.4 7 3.5 1939.8 13 Details
21 Hermanus Chess Club Open 2025 (Blitz) Blitz 2025-04-11 2025-04-11 Overberg (WOS) 9 1778.4 9 6.5 1934.5 5.8 Details
22 South African Junior Closed Chess Championships 2025 (U14 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1778.4 9 6 1827.4 9.8 Details
23 Cape Town Open Chess Festival 2025 (A) Standard 2025-03-22 2025-03-23 Cape Town (WCT) 6 1737.6 6 3 1784.1 6 Details
24 Western Cape Closed 2025 (A) Standard 2025-03-08 2025-03-09 Cape Town (WCT) 6 1737.6 6 2.5 1824.9 11.3 Details
25 CT Metro Schools Individual Closed 2025 (U13 Open) Standard 2025-03-01 2025-03-02 Cape Town (WCT) 6 1737.6 6 5 1830.2 11.8 Details
26 Cape of Good Hope Open 2025 (Championship) Standard 2025-02-22 2025-02-23 Cape Town (WCT) 6 1710.3 5 1.5 1700.1 -1.8 Details
27 Laerskool Welgemoed Rapid 2025 (U14) Rapid 2025-02-15 2025-02-15 Cape Town (WCT) 6 1710.3 6 6 1786.4 8.3 Details
28 CT Metro North Schools Chess Individual Trials 2025 (U13 Open) Standard 2025-02-08 2025-02-09 Cape Town (WCT) 6 1710.3 6 5.5 1806.8 12.9 Details
29 Cape Town Masters Challenge 2025 (Advanced) Classical 2025-01-06 2025-01-11 Cape Town (WCT) 9 1670.4 9 7 1808 28.6 Details
30 2nd Strategize To Win Round-Robin Tournament ACL 2024 (A) Standard 2024-12-07 2024-12-07 Cape Town (WCT) 5 1673.6 5 2 1644.6 -2.3 Details
31 Paarl Boys' High Chess Festival 2024 (Elite) Standard 2024-10-04 2024-10-05 Cape Winelands (WCW) 6 1622 6 6 1935.1 36.9 Details
32 Laerskool Welgemoed Rapid 2024 (U14) Rapid 2024-10-19 2024-10-19 Cape Town (WCT) 6 1597.2 6 4 1638.2 3.3 Details
33 Western Cape Club Championship 2024 (Tier 2) Standard 2024-10-25 2024-10-27 Cape Town (WCT) 5 1597.2 5 3 1636.8 3.3 Details
34 UCT Open Chess Championship 2024 (Advanced) Standard 2024-10-12 2024-10-13 Cape Town (WCT) 5 1597.2 5 4 1691.1 11.3 Details
35 CT League 2024 (A) Classical 2024-07-20 2024-09-07 Cape Town (WCT) 11 1578.8 7 3.5 1572 1.4 Details
36 CT League 2024 (D-Playoffs) Standard 2024-09-07 2024-09-08 Cape Town (WCT) 5 1578.8 3 1 1492.5 -4.5 Details
37 Western Cape Top Schools Championship 2024 (U13 Mixed) Standard 2024-08-30 2024-09-01 Eden (WEG) 6 1578.8 6 4.5 1715.8 16.3 Details
38 2nd Young Minds Classic 2024 (Intermediate) Standard 2024-08-10 2024-08-11 Cape Town (WCT) 5 1617.2 5 3 1363.1 -27.4 Details
39 CT District North Top Schools 2024 (U13 Mixed) Rapid 2024-07-27 2024-07-27 Cape Town (WCT) 5 1611 5 5 1681.7 5.8 Details
40 Curro Durbanville Chess Rapid Open 2024 (Championship) Rapid 2024-07-13 2024-07-13 Cape Town (WCT) 6 1611 6 3 1596.4 -1.3 Details
41 2024 African Youth Chess Championship Classical 2024-06-16 2024-06-22 Tshwane (GTP) 9 1521.1 9 6 1796.5 56.2 Details
42 Steinitz Chess Festival 2024 (Open) Standard 2024-05-10 2024-05-12 Cape Town (WCT) 6 1426 6 3.5 1494.5 8.8 Details
43 South African Junior Closed Chess Championship 2024 (U12 Open) Classical 2024-04-27 2024-05-01 Ekurhuleni (GE) 9 1426 9 6 1670.9 50.6 Details
44 Cape Town Open Rapid Chess Championship 2024 (Open) Rapid 2024-03-17 2024-03-17 Cape Town (WCT) 6 1428.4 6 3.5 1407.1 -1.5 Details
45 Cape Town Masters Challenge 2024 (Advanced) Classical 2024-01-03 2024-01-07 Cape Town (WCT) 7 1436.7 7 2.5 1400.7 -5.2 Details
46 Kraaifontein Open 2023 (Adanced) Standard 2023-12-09 2023-12-10 Cape Town (WCT) 6 1423.9 6 3 1490.9 8.2 Details
47 Chas Everitt and MHI Attorneys Rapid 2023 (B) Rapid 2023-11-04 2023-11-04 Cape Town (WCT) 6 1403.5 6 4.5 1581.9 12.8 Details
48 Bonnievale Open Rapid 2023 (Advanced) Rapid 2023-10-21 2023-10-21 Cape Winelands (WCW) 6 1405.9 6 2 1385.7 -1.6 Details
49 Western Cape Closed Championship 2023 (C) Standard 2023-09-24 2023-09-25 Cape Town (WCT) 6 1433.2 6 3 1338.5 -14.1 Details
50 Western Cape Closed Championship 2023 (Blitz) Blitz 2023-09-23 2023-09-25 Cape Town (WCT) 7 1433.2 7 2 1361.8 -2.9 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 65
Wins 34
Draws 11
Losses 20
White 31
Black 34
White wins 15
Black wins 19
Score 39.5
Percent 60.8
Dp 91.5
AOR 1693.2
Performance 1784.8
Game statistics (History)
Games 533
Wins 301
Draws 69
Losses 163
White 268
Black 265
White wins 148
Black wins 153
Score 335.5
Percent 62.9
Dp 110
AOR 1490.7
Performance 1600.7
Rankings (Main)
National
Overall 230
Gender 218
Age group 8
Gender/Age 7
Provincial
Overall 78
Gender 76
Age group 3
Gender/Age 3
Regional
Overall 65
Gender 64
Age group 3
Gender/Age 3
Rankings (Standard)
National
Overall 218
Gender 208
Age group 9
Gender/Age 8
Provincial
Overall 71
Gender 70
Age group 3
Gender/Age 3
Regional
Overall 61
Gender 60
Age group 3
Gender/Age 3
Rankings (Rapid)
National
Overall 57
Gender 57
Age group 3
Gender/Age 3
Provincial
Overall 26
Gender 26
Age group 2
Gender/Age 2
Regional
Overall 21
Gender 21
Age group 2
Gender/Age 2
Rankings (Blitz)
National
Overall 258
Gender 249
Age group 20
Gender/Age 19
Provincial
Overall 89
Gender 86
Age group 4
Gender/Age 4
Regional
Overall 38
Gender 37
Age group 3
Gender/Age 3
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 65
Score 39.5
Percent 60.8
Aor 1693.2
Dp 91.5
Prat 1784.8
Performance (12 months)
Games 114
Score 71.5
Percent 62.7
Aor 1685
Dp 108.1
Prat 1793.1
Performance (History)
Games 533
Score 335.5
Percent 62.9
Aor 1490.7
Dp 110
Prat 1600.7
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Singh, S (Shaurya) 20 14 6 Laerskool Welgemoed 12th Annual Chess Challenge 2022 (U12) 2026 WCSC HS Individual Championship (U15 Boys) Details
Overall 2 Shapiro, M (Matthew) 8 4 4 2022 Cape Of Good Hope Open (U12) Helderberg Chess Club Open 2026 (A) Details
Overall 3 Salimu, C (Chase) 6 2 4 District North 2022 (U11) 4th Curro Durbanville Rapid Open 2025 (Championship) Details
Overall 4 Maruma, KB (Kamogelo) 6 4 2 Western Cape Schools 2022 (U11 Boys) Western Cape Top Schools Championship 2024 (U13 Mixed) Details
Overall 5 Guo, A (Aleks) 6 3 3 Western Cape Schools 2022 (U11 Boys) CT Metro Schools Individual Closed 2026 (U15 Boys) Details
Standard 1 Singh, S (Shaurya) 17 12 5 South African Open 2022 (U12) 2026 WCSC HS Individual Championship (U15 Boys) Details
Standard 2 Shapiro, M (Matthew) 7 4 3 2022 Cape Of Good Hope Open (U12) Helderberg Chess Club Open 2026 (A) Details
Standard 3 Guo, A (Aleks) 4 1 3 Western Cape Schools 2022 (U11 Boys) CT Metro Schools Individual Closed 2026 (U15 Boys) Details
Standard 4 Hagen, S (Sophia) 4 1 3 2022 Cape Of Good Hope Open (U12) Paarl Boys' High School Chess Festival 2025 (Primary Schools) Details
Standard 5 Joya, I (Imkhita) 3 1 2 South African Open 2022 (U12) Western Cape Closed 2025 (A) Details
Rapid 1 Maruma, KB (Kamogelo) 3 2 1 Curro Durbanville Chess Open Rapid 2022 (U12) Curro Durbanville Chess Rapid Open 2024 (Championship) Details
Rapid 2 Salimu, C (Chase) 3 0 3 District North 2022 (U11) 4th Curro Durbanville Rapid Open 2025 (Championship) Details
Rapid 3 Rogov, T (Timofey) 2 0 2 Curro Durbanville Chess Rapid Open 2024 (Championship) 4th Curro Durbanville Rapid Open 2025 (Championship) Details
Rapid 4 Fourie, R (Ruan) 2 0 2 Kraaifontein Rapid Open 2022 (U12) Laerskool Welgemoed Rapid 2024 (U14) Details
Rapid 5 Matima, A (Aiden) 2 2 0 Laerskool Welgemoed 12th Annual Chess Challenge 2022 (U12) Laerskool Welgemoed Rapid 2024 (U14) Details
Blitz 1 Kleinsmidt, CC (Cherwin Chanson) 2 2 0 Casuarina International 2023 (Blitz) Hermanus Chess Club Open 2025 (Blitz) Details