Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Klerk, HF (Heinrich Forbes)

Chess SA id

194006511

FIDE id

Date of birth

1994-04-24 (Adult)

Gender

Male

Region

Dr Kenneth Kaunda (NWP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1342.6	1344.6	1300	1300
Raw rating	1342.6	1344.6	1300	1300
Weighted rating	1304.9	1302.9	1299.7	1299.7
Weighted performance	0	0	0	0
Floor	842.6	844.6	800	800
K-factor	36	36	36	36
Min/Max rating change allowed	135.3	134.9	143.8	143.8
Highest rating	1342.6 2025-11-01	1344.6 2025-11-01	1300 2024-02-01	1300 2024-02-01
Highest raw rating	1342.6 2025-11-01	1344.6 2025-11-01	1300 2024-02-01	1300 2024-02-01
Highest weighted rating	1304.9 2025-11-01	1302.9 2025-11-01	1296.7 2025-08-01	1296.7 2025-08-01
Highest weighted performance	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1342.6	1344.6	1300	1300
Analysis
Rating	1342.6	1344.6	1300	1300
Raw rating	1342.6	1344.6	1300	1300
Weighted rating	1304.9	1302.9	1299.7
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	842.6	844.6	800	800
Max/Min rating change allowed	135.3	134.9	143.8	143.8
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	1342.6	1344.6	1300	1300
New weighted rating	1308.4	1306.7	1300	1300
New weighted performance	0	0	0	0
Temp new rating	1342.6	1344.6	1300	1300
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1342.6	1344.6	1300	1300
New K-factor	36	36	36	36
New floor	842.6	844.6	800	800

Item	Main	Standard
	0	0
	10	10
	0	0
	0	0
	0	0
	0	0
History	156	156

Games since
	Main 10	Standard 10		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Dr Kenneth Kaunda (NWP)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	10	6.5	65	127.5	1288.8	1416.3
Standard	10	6.5	65	127.5	1288.8	1416.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	6.5	65	127.5	1288.8	1416.3
Standard	10	6.5	65	127.5	1288.8	1416.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1342.6	1344.6	1300	1300
2025-09-30	1303.8	1299.3	1300	1300
2025-09-01	1303.8	1299.3	1300	1300
2025-08-01	1303.8	1299.3	1300	1300
2025-07-01	1303.8	1299.3	1300	1300
2025-06-01	1303.8	1299.3	1300	1300
2025-05-01	1303.8	1299.3	1300	1300
2025-04-01	1303.8	1299.3	1300	1300
2025-03-01	1300	1300	1300	1300
2025-02-01	1300	1300	1300	1300
2025-01-01	1300	1300	1300	1300
2024-12-01	1300	1300	1300	1300
2024-11-01	1300	1300	1300	1300
2024-10-01	1300	1300	1300	1300
2024-09-01	1300	1300	1300	1300
2024-08-01	1300	1300	1300	1300
2024-07-01	1300	1300	1300	1300
2024-09-01	1300	1300	1300	1300
2024-05-01	1300	1300	1300	1300
2024-04-01	1300	1300	1300	1300
2024-03-01	1300	1300	1300	1300
2024-02-01	1300	1300	1300	1300
2024-01-01	1300	1300	1300	1300
2023-12-01	1200	1200	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Town Chess Federation Club League 2025 (E)	2025-08-16	2025-08-23	Standard	Cape Town (WCT)	6	4	3.5	Yes	Analysis
2	Cape Town Open Chess Festival 2025 (C)	2025-03-22	2025-03-23	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Town Chess Federation Club League 2025 (E)	2025-08-16	2025-08-23	Standard	Cape Town (WCT)	6	4	3.5	Yes	Analysis
2	Cape Town Open Chess Festival 2025 (C)	2025-03-22	2025-03-23	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament Cape Town Chess Federation Club League 2025				Tournament Cape Town Chess Federation Club League 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-23	rnd 6	type Standard	result 0.5
		Opponent Rubusana, N (Nina)				Opponent Isaacs, A (Abubakar)
2	3	Tournament Cape Town Open Chess Festival 2025				Tournament Cape Town Open Chess Festival 2025
		date 2025-03-22	rnd 1	type Standard	result 1	date 2025-03-22	rnd 3	type Standard	result 1
		Opponent Kroukamp, A (Alexander Salmon)				Opponent Hamdulay, D (Dillon)

#	Games	Start				End
1	3	Tournament Cape Town Open Chess Festival 2025				Tournament Cape Town Open Chess Festival 2025
		date 2025-03-22	rnd 1	type Standard	result 1	date 2025-03-22	rnd 3	type Standard	result 1
		Opponent Kroukamp, A (Alexander Salmon)				Opponent Hamdulay, D (Dillon)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Cape Town Open Chess Festival 2025				Tournament Cape Town Open Chess Festival 2025
		date 2025-03-22	rnd 1	type Standard	result 1	date 2025-03-22	rnd 3	type Standard	result 1
		Opponent Kroukamp, A (Alexander Salmon)				Opponent Hamdulay, D (Dillon)

#	Games	Start				End
1	3	Tournament Cape Town Open Chess Festival 2025				Tournament Cape Town Open Chess Festival 2025
		date 2025-03-22	rnd 1	type Standard	result 1	date 2025-03-22	rnd 3	type Standard	result 1
		Opponent Kroukamp, A (Alexander Salmon)				Opponent Hamdulay, D (Dillon)

No games found.

#	Games	Start				End

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	Kroukamp ,A (Alexander Salmon)	1	1	425	1	1	425	0	0	0	0	0	0
1	Kroukamp ,A (Alexander Salmon)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Hamdulay ,D (Dillon)	1	1	425	1	1	425	0	0	0	0	0	0
2	Hamdulay ,D (Dillon)	1	1370.5	1795.5	1	1351.4	1795.5	0	0	0	0	0	0
3	Isaacs ,A (Abubakar)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Isaacs ,A (Abubakar)	1	1319	1319	1	1327	1319	0	0	0	0	0	0
4	Baloyi ,M (Moshe)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Baloyi ,M (Moshe)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Fife ,P (Peter)	1	1	425	1	1	425	0	0	0	0	0	0
5	Fife ,P (Peter)	1	1375.1	1800.1	1	1365.9	1800.1	0	0	0	0	0	0
6	Mintoor ,D (Donvito)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Mintoor ,D (Donvito)	1	1367.2	942.2	1	1333.4	942.2	0	0	0	0	0	0
7	Rubusana ,N (Nina)	1	1	425	1	1	425	0	0	0	0	0	0
7	Rubusana ,N (Nina)	1	1252	1677	1	1262.3	1677	0	0	0	0	0	0
8	Ngwenduna ,T (Tinama)	1	1	425	1	1	425	0	0	0	0	0	0
8	Ngwenduna ,T (Tinama)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Dubbeld ,B (Benjamin)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Dubbeld ,B (Benjamin)	1	1384	959	1	1332.1	959	0	0	0	0	0	0
10	Rabie ,L (Luka)	1	1	425	1	1	425	0	0	0	0	0	0
10	Rabie ,L (Luka)	1	1220.2	1645.2	1	1195.5	1645.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

De Klerk, HF (Heinrich Forbes)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms