PLAYER PAGE

Janko Weideman

1120134372
Cape Town (WCT)
Personal
Main rating
Rating 1758.9
K-factor 24
Floor 1339.2
Highest 1842.7 (2025-11-01)
Min/Max +/- allowed 66
Rating Change
()
Games 9
Score 7
We 4.62
SWe 2.38
Temp +/- 57.1
Penalties 0
Weight perform 1749.7
Final +/- +57.1
New Rating
()
Rating 1816
K-factor 24
Floor 1339.2
Highest 1842.7 (2025-11-01)
Min/Max +/- allowed 66.4
Standard rating
Rating 1743.8
K-factor 24
Floor 1307
Highest 1830.9 (2025-11-01)
Min/Max +/- allowed 67.5
Rating Change
()
Games 9
Score 7
We 4.45
SWe 2.55
Temp +/- 61.2
Penalties 0
Weight perform 1762.5
Final +/- +61.2
New Rating
()
Rating 1805
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 1771.3
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 1283.2
K-factor 36
Floor 783.2
Highest 1283.2 (2025-05-05)
Min/Max +/- allowed 147.3
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1283.2
K-factor 36
Floor 783.2
Highest 1283.2 (2025-05-05)
Min/Max +/- allowed 147.3
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 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
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Steinitz Chess Festival 2026 (Open) Rapid 2026-03-22 2026-03-22 Cape Town (WCT) 6 1790.1 5 3 1723 -3 Details
2 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
3 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
4 COGH 2026 (Championship) Standard 2026-01-31 2026-02-01 Cape Town (WCT) 6 1778 6 2.5 1794.7 1 Details
5 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
6 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
7 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
8 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
9 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
10 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
11 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
12 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
13 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
14 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
15 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
16 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
17 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
18 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
19 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
20 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
21 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
22 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
23 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
24 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
25 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
26 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
27 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
28 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
29 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
30 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
31 CT League 2024 (A) Classical 2024-07-20 2024-09-07 Cape Town (WCT) 11 1578.8 7 3.5 1572 1.4 Details
32 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
33 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
34 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
35 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
36 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
37 2024 African Youth Chess Championship Classical 2024-06-16 2024-06-22 Tshwane (GTP) 9 1521.1 9 6 1796.5 56.2 Details
38 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
39 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
40 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
41 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
42 Kraaifontein Open 2023 (Adanced) Standard 2023-12-09 2023-12-10 Cape Town (WCT) 6 1423.9 6 3 1490.9 8.2 Details
43 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
44 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
45 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
46 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
47 WP Club League 2023 (D1) Standard 2023-07-29 2023-08-19 Cape Town (WCT) 6 1440.2 3 2 1353.1 -4.5 Details
48 Curro Durbanville Chess Open Rapid 2023 (Advanced) Rapid 2023-07-15 2023-07-15 Cape Town (WCT) 6 1497.9 6 2 1361.4 -12.6 Details
49 CT Metro District North Top Schools Chess 2023 (U11 Mixed) Rapid 2023-07-29 2023-07-29 Cape Town (WCT) 5 1497.9 3 2 1450 -2.4 Details
50 Cape Winelands Open 2023 (Advanced) Standard 2023-07-22 2023-07-23 Cape Winelands (WCW) 6 1497.9 6 2 1327.1 -21 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 21
Draws 9
Losses 11
White 19
Black 22
White wins 10
Black wins 11
Score 25.5
Percent 62.2
Dp 103.7
AOR 1683.9
Performance 1787.6
Game statistics (History)
Games 509
Wins 288
Draws 67
Losses 154
White 256
Black 253
White wins 143
Black wins 145
Score 321.5
Percent 63.2
Dp 111.9
AOR 1480.4
Performance 1592.3
Rankings (Main)
National
Overall 319
Gender 301
Age group 21
Gender/Age 19
Provincial
Overall 103
Gender 99
Age group 7
Gender/Age 6
Regional
Overall 82
Gender 79
Age group 7
Gender/Age 6
Rankings (Standard)
National
Overall 356
Gender 337
Age group 26
Gender/Age 23
Provincial
Overall 110
Gender 106
Age group 8
Gender/Age 7
Regional
Overall 90
Gender 87
Age group 8
Gender/Age 7
Rankings (Rapid)
National
Overall 58
Gender 58
Age group 2
Gender/Age 2
Provincial
Overall 27
Gender 27
Age group 2
Gender/Age 2
Regional
Overall 24
Gender 24
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 9
Score 7
Percent 77.8
Aor 1743.5
Dp 236.1
Prat 1979.6
Performance ()
Games 41
Score 25.5
Percent 62.2
Aor 1683.9
Dp 103.7
Prat 1787.6
Performance (12 months)
Games 96
Score 62.5
Percent 65.1
Aor 1670.6
Dp 128.4
Prat 1799
Performance (History)
Games 509
Score 321.5
Percent 63.2
Aor 1480.4
Dp 111.9
Prat 1592.3
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Singh, S (Shaurya) 18 12 6 Laerskool Welgemoed 12th Annual Chess Challenge 2022 (U12) CT Metro Schools Individual Closed 2026 (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 Guo, A (Aleks) 6 3 3 Western Cape Schools 2022 (U11 Boys) CT Metro Schools Individual Closed 2026 (U15 Boys) Details
Overall 4 Salimu, C (Chase) 6 2 4 District North 2022 (U11) 4th Curro Durbanville Rapid Open 2025 (Championship) Details
Overall 5 Maruma, KB (Kamogelo) 6 4 2 Western Cape Schools 2022 (U11 Boys) Western Cape Top Schools Championship 2024 (U13 Mixed) Details
Standard 1 Singh, S (Shaurya) 15 10 5 South African Open 2022 (U12) CT Metro Schools Individual Closed 2026 (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 Hagen, S (Sophia) 4 1 3 2022 Cape Of Good Hope Open (U12) Paarl Boys' High School Chess Festival 2025 (Primary Schools) Details
Standard 4 Guo, A (Aleks) 4 1 3 Western Cape Schools 2022 (U11 Boys) CT Metro Schools Individual Closed 2026 (U15 Boys) Details
Standard 5 Joya, I (Imkhita) 3 1 2 South African Open 2022 (U12) Western Cape Closed 2025 (A) Details
Rapid 1 Salimu, C (Chase) 3 0 3 District North 2022 (U11) 4th Curro Durbanville Rapid Open 2025 (Championship) Details
Rapid 2 Maruma, KB (Kamogelo) 3 2 1 Curro Durbanville Chess Open Rapid 2022 (U12) Curro Durbanville Chess Rapid Open 2024 (Championship) Details
Rapid 3 He, Z (Zonghan) 2 2 0 Laerskool Welgemoed Rapid 2024 (U14) Laerskool Welgemoed Rapid 2025 (U14) Details
Rapid 4 Rogov, T (Timofey) 2 0 2 Curro Durbanville Chess Rapid Open 2024 (Championship) 4th Curro Durbanville Rapid Open 2025 (Championship) Details
Rapid 5 Singh, S (Shaurya) 2 2 0 Laerskool Welgemoed 12th Annual Chess Challenge 2022 (U12) 4th Curro Durbanville Rapid Open 2025 (Championship) Details
Blitz 1 Kleinsmidt, CC (Cherwin Chanson) 2 2 0 Casuarina International 2023 (Blitz) Hermanus Chess Club Open 2025 (Blitz) Details