Chess South Africa Ratings Database

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Personal

Weidemann, K (Kean)

Chess SA id

1170300027

FIDE id

534013903

Date of birth

2017-01-27 (U10)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-12-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1451.7	1444.8	1220.5	1200
Raw rating	1451.7	1444.8	1220.5	1200
Weighted rating	1380.1	1369.8	1208.8	1200
Weighted performance	1447	1424	0	0
Floor	951.7	944.8	720.5	700
K-factor	32	32	36	36
Min/Max rating change allowed	115.8	117	161	165.8
Highest rating	1451.7 2026-01-01	1444.8 2026-01-01	1220.5 2025-08-01	1200 2024-03-01
Highest raw rating	1451.7 2026-01-01	1444.8 2026-01-01	1220.5 2025-08-01	1200 2024-03-01
Highest weighted rating	1380.1 2026-01-01	1369.8 2026-01-01	1201.6 2025-08-01	1200 2024-03-01
Highest weighted performance	1447 2026-01-01	1424 2026-01-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1451.7	1444.8	1220.5	1200
Analysis
Rating	1451.7	1444.8	1220.5	1200
Raw rating	1451.7	1444.8	1220.5	1200
Weighted rating	1380.1	1369.8	1208.8
Weighted performance	1447	1424	0
K-factor	32	32	36	36
Floor	951.7	944.8	720.5	700
Max/Min rating change allowed	115.8	117	161	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	1451.7	1444.8	1220.5	1200
New weighted rating	1389.7	1379.4	1210.1	1200
New weighted performance	1437.5	1414.6	0	0
Temp new rating	1451.7	1444.8	1220.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1451.7	1444.8	1220.5	1200
New K-factor	32	32	36	36
New floor	951.7	944.8	720.5	700

Item	Main	Standard	Rapid
	0	0	0
	37	32	5
	46	46	0
	0	0	0
	0	0	0
	0	0	0
History	83	78	5

Games since
	Main 83	Standard 78		Rapid 5		Blitz 0
Gender	Male
Age group	U10
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	1838		139		114
Male	1523		116		96
U10	106		13		12
U10 Male	92		13		12
Standard
	RSA		Province		Region
Overall	1971		150		118
Male	1612		125		98
U10	123		13		11
U10 Male	107		13		11
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	37	24.5	66.22	137.8	1316.1	1453.9
Standard	32	21.5	67.19	146.1	1297.2	1443.3
Rapid	5	3	60	85	1437.1	1522.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	83	52	62.65	107.5	1244.6	1352.1
Standard	78	49	62.82	109	1232.2	1341.2
Rapid	5	3	60	85	1437.1	1522.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1451.7	1444.8	1220.5	1200
2025-11-30	1433.6	1411.5	1220.5	1200
2025-11-01	1433.6	1411.5	1220.5	1200
2025-09-30	1413.8	1395.2	1220.5	1200
2025-09-01	1413.8	1395.2	1220.5	1200
2025-08-01	1413.8	1395.2	1220.5	1200
2025-07-01	1398.5	1395.2	1200	1200
2025-06-01	1398.5	1395.2	1200	1200
2025-05-01	1409.3	1408.6	1200	1200
2025-04-01	1387.9	1382.5	1200	1200
2025-03-01	1387.9	1382.5	1200	1200
2025-02-01	1414.2	1404.5	1200	1200
2025-01-01	1339.8	1330.8	1200	1200
2024-12-01	1339.8	1330.8	1200	1200
2024-11-01	1326.1	1318.2	1200	1200
2024-10-01	1326.1	1318.2	1200	1200
2024-09-01	1236	1234.7	1200	1200
2024-11-01	1214.1	1214.3	1200	1200
2024-07-01	1178.8	1171.1	1200	1200
2024-06-01	1230.8	1235.2	1200	1200
2024-05-01	1230.8	1235.2	1200	1200
2024-04-01	1188	1182.8	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Mzansi Individual Championships (U10 Open)	2025-12-17	2025-12-20	Standard	Nelson Mandela Bay (ENM)	6	6	2.5	Yes	Analysis
2	2025 Mzansi Inter Provincial Team Championships (U10 Combined)	2025-12-15	2025-12-17	Standard	Nelson Mandela Bay (ENM)	6	6	4.5	Yes	Analysis
3	Bojanala's Merry ChessMas 2025 (Big Pawns)	2025-11-29	2025-11-29	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
4	Bojanala's FIDE On The Orion Express 2025 (Little Pawns)	2025-10-04	2025-10-05	Standard	Bojanala Platina (NBR)	7	7	4	Yes	Analysis
5	Bojanala's Clash Of Schools -Primary Schools 2025 (U9)	2025-07-26	2025-07-26	Rapid	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
6	Spartan Bishops Championships Elite 2025 (U10)	2025-05-23	2025-05-23	Standard	Frances Baard (NCF)	5	5	3	Yes	Analysis
7	Bojanala's Rosewood Easter Open 2025 (Center Pawns)	2025-04-19	2025-04-19	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
8	Bojanala's Battle In The Kloof 2025 (Center Pawns)	2025-02-15	2025-02-15	Standard	Bojanala Platina (NBR)	5	5	3.5	Yes	Analysis
9	Bojanala Closed Chess Championships 2025 (U8)	2025-01-31	2025-02-02	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
10	Bojanala Wildcard 2025 (Big Pawns)	2025-01-25	2025-01-25	Standard	Bojanala Platina (NBR)	5	5	5	Yes	Analysis
11	Bojanala's Brink Of Activity 2024 (Big Pawns)	2024-11-30	2024-11-30	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
12	Bojanala's Battle In The Kloof 2024 (Big Pawns)	2024-09-21	2024-09-21	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
13	Bojanala Circuit Championships 3 of 4 2024 (U8)	2024-09-14	2024-09-14	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
14	Bojanala's FIDE In The Sparkling Waters 2024 (Young Junior Champs)	2024-08-17	2024-08-17	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
15	Bojanala's Clash Of Schools 2024 (U9)	2024-07-20	2024-07-20	Standard	Bojanala Platina (NBR)	5	4	3	Yes	Analysis
16	Bojanala Circuit Championship 2 of 4 2024 (U8)	2024-06-15	2024-06-15	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
17	Bojanala's Rating Express 2024 (Big Pawns)	2024-04-06	2024-04-06	Standard	Bojanala Platina (NBR)	7	6	4	Yes	Analysis
18	Bojanala Silwerrand's Rating Implosion 2024 (Big Pawns)	2024-03-16	2024-03-16	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
19	Schoemies' Kings & Queens 2024 (Big Pawns)	2024-03-02	2024-03-02	Standard	Bojanala Platina (NBR)	6	6	3.5	Yes	Analysis

#	Games	Start				End
1	7	Tournament Schoemies' Kings & Queens 2024				Tournament Bojanala Silwerrand's Rating Implosion 2024
		date 2024-03-02	rnd 2	type Standard	result 1	date 2024-03-16	rnd 2	type Standard	result 1
		Opponent Kgame, K (Kgosi Otshepeng)				Opponent Kotsokoane, R (Reatlegile)
2	5	Tournament Bojanala Wildcard 2025				Tournament Bojanala Wildcard 2025
		date 2025-01-25	rnd 1	type Standard	result 1	date 2025-01-25	rnd 5	type Standard	result 1
		Opponent Senne, R (Resego)				Opponent Mofokeng, K (Khotso)
3	5	Tournament Bojanala Circuit Championships 3 of 4 2024				Tournament Bojanala's Battle In The Kloof 2024
		date 2024-09-14	rnd 5	type Standard	result 1	date 2024-09-21	rnd 4	type Standard	result 1
		Opponent Botha, L (Lewan)				Opponent Mofokeng, K (Khotso)

#	Games	Start				End
1	7	Tournament Schoemies' Kings & Queens 2024				Tournament Bojanala Silwerrand's Rating Implosion 2024
		date 2024-03-02	rnd 2	type Standard	result 1	date 2024-03-16	rnd 2	type Standard	result 1
		Opponent Kgame, K (Kgosi Otshepeng)				Opponent Kotsokoane, R (Reatlegile)
2	5	Tournament Bojanala Wildcard 2025				Tournament Bojanala Wildcard 2025
		date 2025-01-25	rnd 1	type Standard	result 1	date 2025-01-25	rnd 5	type Standard	result 1
		Opponent Senne, R (Resego)				Opponent Mofokeng, K (Khotso)
3	5	Tournament Bojanala Circuit Championships 3 of 4 2024				Tournament Bojanala's Battle In The Kloof 2024
		date 2024-09-14	rnd 5	type Standard	result 1	date 2024-09-21	rnd 4	type Standard	result 1
		Opponent Botha, L (Lewan)				Opponent Mofokeng, K (Khotso)

#	Games	Start				End
1	2	Tournament Bojanala's Clash Of Schools -Primary Schools 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-07-26	rnd 2	type Rapid	result 1	date 2025-07-26	rnd 3	type Rapid	result 1
		Opponent Enslin, E (Evan)				Opponent Mbewe, Z (Zane)
2	1	Tournament Bojanala's Clash Of Schools -Primary Schools 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-07-26	rnd 5	type Rapid	result 1	date 2025-07-26	rnd 5	type Rapid	result 1
		Opponent Van Den Heever, Z (Zeno)				Opponent Van Den Heever, Z (Zeno)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Bojanala Wildcard 2025				Tournament Bojanala Wildcard 2025
		date 2025-01-25	rnd 1	type Standard	result 1	date 2025-01-25	rnd 5	type Standard	result 1
		Opponent Senne, R (Resego)				Opponent Mofokeng, K (Khotso)
2	5	Tournament Bojanala Circuit Championships 3 of 4 2024				Tournament Bojanala's Battle In The Kloof 2024
		date 2024-09-14	rnd 5	type Standard	result 1	date 2024-09-21	rnd 4	type Standard	result 1
		Opponent Botha, L (Lewan)				Opponent Mofokeng, K (Khotso)
3	3	Tournament Bojanala's Rosewood Easter Open 2025				Tournament Spartan Bishops Championships Elite 2025
		date 2025-04-19	rnd 4	type Standard	result 1	date 2025-05-23	rnd 1	type Standard	result 1
		Opponent Botha, L (Lewan)				Opponent Sebudubudu, K (Khutso)

#	Games	Start				End
1	5	Tournament Bojanala Wildcard 2025				Tournament Bojanala Wildcard 2025
		date 2025-01-25	rnd 1	type Standard	result 1	date 2025-01-25	rnd 5	type Standard	result 1
		Opponent Senne, R (Resego)				Opponent Mofokeng, K (Khotso)
2	5	Tournament Bojanala Circuit Championships 3 of 4 2024				Tournament Bojanala's Battle In The Kloof 2024
		date 2024-09-14	rnd 5	type Standard	result 1	date 2024-09-21	rnd 4	type Standard	result 1
		Opponent Botha, L (Lewan)				Opponent Mofokeng, K (Khotso)
3	3	Tournament Bojanala's Rosewood Easter Open 2025				Tournament Spartan Bishops Championships Elite 2025
		date 2025-04-19	rnd 4	type Standard	result 1	date 2025-05-23	rnd 1	type Standard	result 1
		Opponent Botha, L (Lewan)				Opponent Sebudubudu, K (Khutso)

#	Games	Start				End
1	2	Tournament Bojanala's Clash Of Schools -Primary Schools 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-07-26	rnd 2	type Rapid	result 1	date 2025-07-26	rnd 3	type Rapid	result 1
		Opponent Enslin, E (Evan)				Opponent Mbewe, Z (Zane)
2	1	Tournament Bojanala's Clash Of Schools -Primary Schools 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-07-26	rnd 5	type Rapid	result 1	date 2025-07-26	rnd 5	type Rapid	result 1
		Opponent Van Den Heever, Z (Zeno)				Opponent Van Den Heever, Z (Zeno)

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
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	Mofokeng ,K (Khotso)	7	2	-182.1	6	2	-141.7	1	0	-425	0	0	0
1	Mofokeng ,K (Khotso)	7	1489.8	1307.7	6	1463.9	1348.1	1	1200	1064.8	0	0	0
2	Gower ,J (Juvan)	5	4	255	5	4	255	0	0	0	0	0	0
2	Gower ,J (Juvan)	5	1132.8	1387.8	5	1101.2	1387.8	0	0	0	0	0	0
3	Diphoko ,P (Pelonomi)	4	1.5	-106.2	4	1.5	-106.2	0	0	0	0	0	0
3	Diphoko ,P (Pelonomi)	4	1177.3	1071.1	4	1160.2	1071.1	0	0	0	0	0	0
4	Dikane ,L (Leano)	4	0.5	-318.8	4	0.5	-318.8	0	0	0	0	0	0
4	Dikane ,L (Leano)	4	1299.3	980.6	4	1300.2	980.6	0	0	0	0	0	0
5	Botes ,L (Levi)	4	0	-425	4	0	-425	0	0	0	0	0	0
5	Botes ,L (Levi)	4	1426.4	1001.4	4	1423.6	1001.4	0	0	0	0	0	0
6	Xhalabile ,L (Lonwabo)	4	3	212.5	4	3	212.5	0	0	0	0	0	0
6	Xhalabile ,L (Lonwabo)	4	1250.9	1463.4	4	1245.2	1463.4	0	0	0	0	0	0
7	Mabugu ,R (Refilwe)	4	3	212.5	4	3	212.5	0	0	0	0	0	0
7	Mabugu ,R (Refilwe)	4	1099.6	1312.1	4	1089.9	1312.1	0	0	0	0	0	0
8	Botha ,E (Erasmus Albertus)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
8	Botha ,E (Erasmus Albertus)	3	1172	1313.7	3	1163.5	1313.7	0	0	0	0	0	0
9	Botha ,I (Iewan)	3	3	425	3	3	425	0	0	0	0	0	0
9	Botha ,I (Iewan)	3	1296.8	1721.8	3	1287.1	1721.8	0	0	0	0	0	0
10	Kgame ,K (Kgosi Otshepeng)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
10	Kgame ,K (Kgosi Otshepeng)	3	1052.8	1336.1	3	1041.5	1336.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Weidemann, K (Kean)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms