PLAYER PAGE

Personal

Van Der Berg, KW (Kai Willem)

Chess SA id

111092671

FIDE id

?

Date of birth

2011-01-04 (U16)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

No

Last active game

2025-05-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item Main Standard Rapid Blitz
Rating 1459.1 1410.5 1291.8 1200
Raw rating 1459.1 1410.5 1291.8 1200
Weighted rating 1431.9 1409.7 1232.4 1200
Weighted performance 1249.3 1076.4 0 0
Floor 1022.3 1022.1 791.8 700
K-factor 32 32 36 36
Min/Max rating change allowed 114.6 122.8 145.5 165.8
Highest rating 1538.2
2022-11-01
1537.6
2022-11-01
1291.8
2025-06-01
1200
2018-10-01
Highest raw rating 1522.3
2022-12-01
1522.1
2022-12-01
1291.8
2025-06-01
1200
2024-02-01
Highest weighted rating 1522.3
2024-04-01
1522.1
2024-04-01
1219.6
2025-08-01
1200
2018-10-01
Highest weighted performance 1538.2
2022-11-01
1537.6
2022-11-01
1200
2018-02-01
1200
2024-02-01

Prediction
Item Main Standard Rapid Blitz
Rating change 0 0 0 0
New rating 1459.1 1410.5 1291.8 1200
Analysis
Rating 1459.1 1410.5 1291.8 1200
Raw rating 1459.1 1410.5 1291.8 1200
Weighted rating 1431.9 1409.7 1232.4
Weighted performance 1249.3 1076.4 0
K-factor 32 32 36 36
Floor 1022.3 1022.1 791.8 700
Max/Min rating change allowed 114.6 122.8 145.5 165.8
Games 0 0 0 0
Score 0 0 0 0
Expected score 0 0 0 0
Score-Expected 0 0 0 0
Temp raw +/- 0 0 0 0
Final raw +/- 0 0 0 0
New raw rating 1459.1 1410.5 1291.8 1200
New weighted rating 1434.5 1409.7 1238.3 1200
New weighted performance 1248.8 1076 0 0
Temp new rating 1459.1 1410.5 1291.8 1200
Temp new rating +/- 0 0 0 0
Final new rating +/- 0 0 0 0
New rating 1459.1 1410.5 1291.8 1200
New K-factor 32 32 36 36
New floor 1022.3 1022.1 791.8 700

Item Main Standard Rapid Blitz
0 0 0 0
5 0 5 0
10 10 0 0
26 26 0 0
57 57 0 0
24 24 0 0
History 281 266 15 0

Games since
Main
15
Standard
10
Rapid
5
Blitz
0
Gender Male
Age group U16
Region Bojanala Platina (NBR)
Province Northwest (NW)
Main
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U16 -1 -1 -1
U16 Male -1 -1 -1
Standard
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U16 -1 -1 -1
U16 Male -1 -1 -1
Rapid
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U16 -1 -1 -1
U16 Male -1 -1 -1
Blitz
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U16 -1 -1 -1
U16 Male -1 -1 -1

Games Score % Dp AvgOpp Performance
Main 0 0 0 0 0 0
Standard 0 0 0 0 0 0
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
Games Score % Dp AvgOpp Performance
Main 5 5 100 425 1336.6 1761.6
Standard 0 0 0 0 0 0
Rapid 5 5 100 425 1336.6 1761.6
Blitz 0 0 0 0 0 0
History
Games Score % Dp AvgOpp Performance
Main 266 172.5 64.85 126.2 1222.5 1348.7
Standard 251 161.5 64.34 121.9 1223.7 1345.6
Rapid 15 11 73.33 198.3 1202.8 1401.1
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2025-09-30 1459.1 1410.5 1291.8 1200
2025-09-01 1459.1 1410.5 1291.8 1200
2025-08-01 1459.1 1410.5 1291.8 1200
2025-07-01 1459.1 1410.5 1291.8 1200
2025-06-01 1459.1 1410.5 1291.8 1200
2025-05-01 1417.3 1410.5 1198 1200
2025-04-01 1417.3 1410.5 1198 1200
2025-03-01 1417.3 1410.5 1198 1200
2025-02-01 1417.3 1410.5 1198 1200
2025-01-01 1413.9 1406.8 1198 1200
2024-12-01 1413.9 1406.8 1198 1200
2024-11-01 1413.9 1406.8 1198 1200
2024-10-01 1413.9 1406.8 1198 1200
2024-09-01 1413.9 1406.8 1198 1200
2024-08-01 1413.9 1406.8 1198 1200
2024-07-01 1413.9 1406.8 1198 1200
2024-06-01 1413.9 1406.8 1198 1200
2024-08-01 1413.9 1406.8 1198 1200
2024-04-01 1422.7 1416.4 1198 1200
2024-03-01 1422.7 1416.4 1198 1200
2024-02-01 1422.7 1416.4 1198 1200
2024-01-01 1422.7 1416.4 1198 1200
2023-12-01 1422.7 1416.4 1198 1200
2023-11-01 1422.7 1416.4 1198 1200

Comming soon.

Tournaments

No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 Robday Bergsig Sport Festival 2025 (Juniors) 2025-05-03 2025-05-03 Rapid Bojanala Platina (NBR) 5 5 5 Yes Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 Robday Bergsig Sport Festival 2025 (Juniors) 2025-05-03 2025-05-03 Rapid Bojanala Platina (NBR) 5 5 5 Yes Analysis
2 Bojanala Olienpark's One For The Ages 2024 (Bishops) 2024-04-20 2024-04-20 Standard Bojanala Platina (NBR) 5 5 3 Yes Analysis
3 Bojanala's Rating Express 2024 (Bishops) 2024-04-06 2024-04-06 Standard Bojanala Platina (NBR) 5 5 3 Yes Analysis
4 Bojanala's FIDE in the Sparkling Waters 2023 (Rooks) 2023-07-28 2023-07-30 Standard Bojanala Platina (NBR) 6 6 3.5 Yes Analysis
5 Schoemies Kings & Queens 2023 (Rooks) 2023-03-18 2023-03-18 Standard Bojanala Platina (NBR) 5 5 3 Yes Analysis
6 Dr. Kenneth Kaunda Saamtrek 2023 (U14) 2023-02-04 2023-02-04 Standard Dr Kenneth Kaunda (NWP) 5 5 3 Yes Analysis
7 One For The Ages 2023 (U14) 2023-02-18 2023-02-18 Standard Bojanala Platina (NBR) 5 5 5 Yes Analysis
8 Harties Wolf Pack 2023 (Rooks) 2023-01-21 2023-01-21 Standard Bojanala Platina (NBR) 5 5 0.5 Yes Analysis
9 2022 South African Junior Team Chess Championships (U12 Open) 2022-12-04 2022-12-08 Standard 4 Knights (4K) 7 7 4 Yes Analysis
10 West Rand vs Bojanala 2022 (U12A) 2022-11-05 2022-11-05 Standard Bojanala Platina (NBR) 6 6 5 Yes Analysis
11 FIDE at The King`s Gate 2.0 2022 (Junior) 2022-10-22 2022-10-22 Standard Bojanala Platina (NBR) 5 5 4 Yes Analysis
12 Larries The Final Wild Card Tournament 2022 (U12) 2022-09-17 2022-09-17 Standard Bojanala Platina (NBR) 5 5 4 Yes Analysis
13 Bojanala SAJCC Trials 2022 (U12) 2022-09-23 2022-09-23 Standard Bojanala Platina (NBR) 5 5 4 Yes Analysis
14 Bojanala Chess Federation Wildcards 2022 (U12) 2022-08-20 2022-08-20 Standard Bojanala Platina (NBR) 5 5 4 Yes Analysis
15 2nd One For The Ages 2022 (U12) 2022-07-30 2022-07-30 Standard Bojanala Platina (NBR) 5 4 4 Yes Analysis
16 One For The Ages 2022 (U12) 2022-07-16 2022-07-16 Standard Bojanala Platina (NBR) 5 5 3.5 Yes Analysis
17 RHS Know Thyself 2022 (B) 2022-04-23 2022-04-23 Standard Bojanala Platina (NBR) 5 5 2 Yes Analysis
18 Vastrap 2022 (C) 2022-02-05 2022-02-05 Standard Bojanala Platina (NBR) 5 5 4 Yes Analysis
19 The Meridian 2022 (U12) 2022-01-22 2022-01-22 Standard Bojanala Platina (NBR) 5 5 3 Yes Analysis
20 Bojanala SAJCC Trials - Session 3 of 3 2021 (D) 2021-11-20 2021-11-20 Standard Bojanala Platina (NBR) 7 6 4.5 Yes Analysis
21 Bojanala SAJCC Trials - Session 2 of 3 2021 (C) 2021-11-13 2021-11-13 Standard Bojanala Platina (NBR) 5 4 2 Yes Analysis
22 Bojanala SAJCC Trials - Session 1 of 3 2021 (D) 2021-11-06 2021-11-06 Standard Bojanala Platina (NBR) 5 4 2 Yes Analysis
23 NC Open 2021 (C) 2021-10-22 2021-10-23 Standard Frances Baard (NCF) 5 5 2 Yes Analysis
24 Back to the Board 2021 (U12) 2021-04-17 2021-04-17 Standard Bojanala Platina (NBR) 5 5 3 Yes Analysis
25 Hoerskool Brits Toernooi 2020 (U10) 2020-03-14 2020-03-14 Standard Bojanala Platina (NBR) 5 5 3 Yes Analysis
26 Laerskool Proteapark 2020 (B) 2020-02-29 2020-02-29 Standard Bojanala Platina (NBR) 5 5 3 Yes Analysis
27 Lebone II 2020 (U10) 2020-02-15 2020-02-15 Standard Bojanala Platina (NBR) 5 5 4 Yes Analysis
28 JNW Club - Bryanston Open1 2020 (E) 2020-02-01 2020-02-01 Standard Johannesburg Metro (GJM) 5 5 3.5 Yes Analysis
29 2019 South African Junior Team Championships (U10A) 2020-01-04 2020-01-08 Standard 4 Knights (4K) 7 7 4 Yes Analysis
30 Selly Park 2019 (B) 2019-10-05 2019-10-05 Standard Bojanala Platina (NBR) 5 5 0 Yes Analysis
31 NW Open 2019 (U10) 2019-10-12 2019-10-12 Standard Bojanala Platina (NBR) 5 5 4 Yes Analysis
32 Inter Region 2019 (U10 Open) 2019-10-19 2019-10-19 Standard Bojanala Platina (NBR) 5 5 2 Yes Analysis
33 Lebone II 2019 (U10) 2019-09-14 2019-09-14 Standard Bojanala Platina (NBR) 5 5 5 Yes Analysis
34 Laerskool Brits 2019 (U10) 2019-08-31 2019-08-31 Standard Bojanala Platina (NBR) 5 5 4 Yes Analysis
35 Laerskool Rustenburg 2019 (U10) 2019-08-17 2019-08-17 Standard Bojanala Platina (NBR) 5 5 4 Yes Analysis
36 2019 Super 12 Laerskole (Juniors) 2019-05-04 2019-05-04 Rapid Tshwane (GTP) 5 5 4 Yes Analysis
37 Inter Regional Chess Championship 2019 (U10) 2019-05-10 2019-05-11 Standard Mangaung (FMB) 5 5 3.5 Yes Analysis
38 Laerskool Proteapark 2019 (C) 2019-05-18 2019-05-18 Standard Bojanala Platina (NBR) 5 5 3 Yes Analysis
39 Hoerskool Rustenburg Skaak 2019 (U10) 2019-04-13 2019-04-13 Standard Bojanala Platina (NBR) 5 5 4 Yes Analysis
40 Rustenburg Noord Primary Tournament 2019 (U10) 2019-02-09 2019-02-09 Standard Bojanala Platina (NBR) 5 5 3.5 Yes Analysis
41 Fields College Open 2019 (U10) 2019-02-02 2019-02-02 Standard Bojanala Platina (NBR) 5 5 3 Yes Analysis
42 Hoerskool Brits Tournament 2019 (U10) 2019-02-09 2019-02-09 Standard Bojanala Platina (NBR) 5 5 2.5 Yes Analysis
43 South African Junior Team Championships 2018 (U8A) 2018-12-16 2018-12-20 Standard 4 Knights (4K) 7 7 4 Yes Analysis
44 Lebone II Chess 2018 (U8) 2018-09-01 2018-09-01 Standard Cape Town (WCT) 5 5 3 Yes Analysis
45 Bojanala Regionals 2018 (U8) 2018-09-15 2018-09-15 Standard Bojanala Platina (NBR) 5 5 3 Yes Analysis
46 Boys and Girls 2018 (U8 Boys) 2018-08-25 2018-08-25 Standard Dr Kenneth Kaunda (NWP) 5 5 2.5 Yes Analysis
47 Laerskool Brits Tournament 2018 (U8) 2018-08-04 2018-08-04 Standard Bojanala Platina (NBR) 5 5 2 Yes Analysis
48 2018 Super 12 (Junior) 2018-05-05 2018-05-05 Rapid Tshwane (GTP) 5 5 2 Yes Analysis
49 Laerskool Olienpark 2018 (U8) 2018-04-21 2018-04-21 Standard Bojanala Platina (NBR) 5 5 4 Yes Analysis
50 Laerskool Rustenburg 2018 (E) 2018-03-24 2018-03-24 Standard Bojanala Platina (NBR) 5 5 4 Yes Analysis
51 Hoerskool Brits 2018 (U8) 2018-03-17 2018-03-17 Standard Bojanala Platina (NBR) 5 5 3 Yes Analysis
52 Laerskool Rustenburg Noord Primary 2018 (E) 2018-02-24 2018-02-24 Standard Bojanala Platina (NBR) 5 5 4 Yes Analysis

Top 3 Streaks

# Games Start End
1 8 Tournament
One For The Ages 2022
Tournament
Bojanala Chess Federation Wildcards 2022
date
2022-07-16
rnd
4
type
Standard
result
1
date
2022-08-20
rnd
2
type
Standard
result
1
Opponent
Grobler, R (Rowan)
Opponent
Potgieter, R (Reinhardt)
2 7 Tournament
One For The Ages 2023
Tournament
Schoemies Kings & Queens 2023
date
2023-02-18
rnd
1
type
Standard
result
1
date
2023-03-18
rnd
2
type
Standard
result
1
Opponent
Modisane, A (Agobakoe)
Opponent
Mulder, SL (Stephanus)
3 7 Tournament
Bojanala SAJCC Trials - Session 3 of 3 2021
Tournament
The Meridian 2022
date
2021-11-20
rnd
2
type
Standard
result
1
date
2022-01-22
rnd
2
type
Standard
result
1
Opponent
Enslin, N (Nathan)
Opponent
Mmalekutu, O (Oratile)
# Games Start End
1 8 Tournament
One For The Ages 2022
Tournament
Bojanala Chess Federation Wildcards 2022
date
2022-07-16
rnd
4
type
Standard
result
1
date
2022-08-20
rnd
2
type
Standard
result
1
Opponent
Grobler, R (Rowan)
Opponent
Potgieter, R (Reinhardt)
2 7 Tournament
One For The Ages 2023
Tournament
Schoemies Kings & Queens 2023
date
2023-02-18
rnd
1
type
Standard
result
1
date
2023-03-18
rnd
2
type
Standard
result
1
Opponent
Modisane, A (Agobakoe)
Opponent
Mulder, SL (Stephanus)
3 7 Tournament
Bojanala SAJCC Trials - Session 3 of 3 2021
Tournament
The Meridian 2022
date
2021-11-20
rnd
2
type
Standard
result
1
date
2022-01-22
rnd
2
type
Standard
result
1
Opponent
Enslin, N (Nathan)
Opponent
Mmalekutu, O (Oratile)
# Games Start End
1 7 Tournament
2019 Super 12 Laerskole
Tournament
Robday Bergsig Sport Festival 2025
date
2019-05-04
rnd
4
type
Rapid
result
1
date
2025-05-03
rnd
5
type
Rapid
result
1
Opponent
Cato, H (Heinru)
Opponent
Thon, F (Fabian)
2 4 Tournament
2018 Super 12
Tournament
2019 Super 12 Laerskole
date
2018-05-05
rnd
4
type
Rapid
result
1
date
2019-05-04
rnd
2
type
Rapid
result
1
Opponent
Uys, J (Jani)
Opponent
Du Preez, M (Morne)
No games found.
# Games Start End
# Games Start End
1 6 Tournament
FIDE at The King`s Gate 2.0 2022
Tournament
West Rand vs Bojanala 2022
date
2022-10-22
rnd
5
type
Standard
result
1
date
2022-11-05
rnd
5
type
Standard
result
1
Opponent
Sathish, A (Aarya)
Opponent
Phetu, N (Nompumelelo)
2 6 Tournament
Bojanala SAJCC Trials 2022
Tournament
FIDE at The King`s Gate 2.0 2022
date
2022-09-23
rnd
3
type
Standard
result
1
date
2022-10-22
rnd
3
type
Standard
result
1
Opponent
Myburgh, B (Braydan)
Opponent
Gouws, K (Karah)
3 6 Tournament
2nd One For The Ages 2022
Tournament
Bojanala Chess Federation Wildcards 2022
date
2022-07-30
rnd
2
type
Standard
result
1
date
2022-08-20
rnd
2
type
Standard
result
1
Opponent
Dikolomela, L (Letlhogonolo)
Opponent
Potgieter, R (Reinhardt)
# Games Start End
1 6 Tournament
FIDE at The King`s Gate 2.0 2022
Tournament
West Rand vs Bojanala 2022
date
2022-10-22
rnd
5
type
Standard
result
1
date
2022-11-05
rnd
5
type
Standard
result
1
Opponent
Sathish, A (Aarya)
Opponent
Phetu, N (Nompumelelo)
2 6 Tournament
Bojanala SAJCC Trials 2022
Tournament
FIDE at The King`s Gate 2.0 2022
date
2022-09-23
rnd
3
type
Standard
result
1
date
2022-10-22
rnd
3
type
Standard
result
1
Opponent
Myburgh, B (Braydan)
Opponent
Gouws, K (Karah)
3 6 Tournament
2nd One For The Ages 2022
Tournament
Bojanala Chess Federation Wildcards 2022
date
2022-07-30
rnd
2
type
Standard
result
1
date
2022-08-20
rnd
2
type
Standard
result
1
Opponent
Dikolomela, L (Letlhogonolo)
Opponent
Potgieter, R (Reinhardt)
# Games Start End
1 7 Tournament
2019 Super 12 Laerskole
Tournament
Robday Bergsig Sport Festival 2025
date
2019-05-04
rnd
4
type
Rapid
result
1
date
2025-05-03
rnd
5
type
Rapid
result
1
Opponent
Cato, H (Heinru)
Opponent
Thon, F (Fabian)
2 4 Tournament
2018 Super 12
Tournament
2019 Super 12 Laerskole
date
2018-05-05
rnd
4
type
Rapid
result
1
date
2019-05-04
rnd
2
type
Rapid
result
1
Opponent
Uys, J (Jani)
Opponent
Du Preez, M (Morne)
No games found.
# Games Start End

Top 10 opponents most often played

# Opponent Main Standard Rapid Blitz
Gms Score Dp Gms Score Dp Gms Score Dp Gms Score Dp
Aor Prat Aor Prat Aor Prat Aor Prat
1 Roos ,J (Justin) 12 2 -283.3 12 2 -283.3 0 0 0 0 0 0
1434.6 1151.2 1423.9 1151.2 0 0 0 0
2 Jansen Van Vuuren ,M (Mari) 10 8 255 10 8 255 0 0 0 0 0 0
1153.5 1408.5 1141.3 1408.5 0 0 0 0
3 Bester ,D (Daniel) 7 1 -303.6 7 1 -303.6 0 0 0 0 0 0
1306.6 1003 1301.8 1003 0 0 0 0
4 De Kock ,D (De-Han) 6 2 -141.7 6 2 -141.7 0 0 0 0 0 0
1212.9 1071.2 1211.8 1071.2 0 0 0 0
5 Legwale ,L (Lesedi) 5 5 425 5 5 425 0 0 0 0 0 0
1238.5 1663.5 1241.7 1663.5 0 0 0 0
6 Nortman ,WJ (Wilhelmus Johan) 5 2.5 0 5 2.5 0 0 0 0 0 0 0
1267 1267 1264.6 1267 0 0 0 0
7 Behrens ,EJ (Edwin Jordan) 5 4 255 5 4 255 0 0 0 0 0 0
1244.6 1499.6 1248.2 1499.6 0 0 0 0
8 Jansen Van Vuuren ,L (Lourein) 5 4 255 4 3 212.5 1 1 425 0 0 0
986.9 1241.9 897.5 1199.4 1111.2 1411.9 0 0
9 Byliefeldt ,M (Mienke) 4 3 212.5 4 3 212.5 0 0 0 0 0 0
1140.3 1352.8 1126.1 1352.8 0 0 0 0
10 Mostert ,PJ (Pieter) 4 4 425 4 4 425 0 0 0 0 0 0
1268 1693 1259.7 1693 0 0 0 0

Norms

No norms achieved.
# Norm Tournament Start End Rounds Games Score Details
© Chess South Africa