Chess South Africa Ratings Database

PLAYER PAGE

Personal

Grobbelaar, H (Hannes)

Chess SA id

1110131193

FIDE id

Date of birth

2011-06-16 (U16)

Gender

Male

Region

Dr Kenneth Kaunda (NWP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-12-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1168.2	1162.1	1200	1200
Raw rating	1168.2	1162.1	1200	1200
Weighted rating	1165.2	1158.4	1200	1200
Weighted performance	931.6	925.5	0	0
Floor	706.6	706.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	173.5	175	165.8	165.8
Highest rating	1233.1 2020-02-01	1226.9 2020-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1206.6 2020-03-01	1206.8 2020-03-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1206.6 2022-02-01	1206.8 2022-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1233.1 2020-02-01	1226.9 2020-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1168.2	1162.1	1200	1200
Analysis
Rating	1168.2	1162.1	1200	1200
Raw rating	1168.2	1162.1	1200	1200
Weighted rating	1165.2	1158.4	1200
Weighted performance	931.6	925.5	0
K-factor	36	36	36	36
Floor	706.6	706.8	700	700
Max/Min rating change allowed	173.5	175	165.8	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	1168.2	1162.1	1200	1200
New weighted rating	1165.1	1158.3	1200	1200
New weighted performance	925.2	919.1	0	0
Temp new rating	1168.2	1162.1	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1168.2	1162.1	1200	1200
New K-factor	36	36	36	36
New floor	706.6	706.8	700	700

Item	Main	Standard
	0	0
	0	0
	28	28
	36	36
	19	19
	0	0
History	88	88

Games since
	Main 28	Standard 28		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Dr Kenneth Kaunda (NWP)
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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	88	36.5	41.48	-72.4	1199.6	1127.2
Standard	88	36.5	41.48	-72.4	1199.6	1127.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1168.2	1162.1	1200	1200
2025-09-30	1168.2	1162.1	1200	1200
2025-09-01	1168.2	1162.1	1200	1200
2025-08-01	1168.2	1162.1	1200	1200
2025-07-01	1168.2	1162.1	1200	1200
2025-06-01	1168.2	1162.1	1200	1200
2025-05-01	1168.2	1162.1	1200	1200
2025-04-01	1168.2	1162.1	1200	1200
2025-03-01	1168.2	1162.1	1200	1200
2025-02-01	1164.2	1157.6	1200	1200
2025-01-01	1105.9	1090.8	1200	1200
2024-12-01	1140.4	1124.6	1200	1200
2024-11-01	1140.4	1124.6	1200	1200
2024-10-01	1140.4	1124.6	1200	1200
2024-09-01	1204	1206.3	1200	1200
2024-08-01	1204	1206.3	1200	1200
2024-07-01	1195.9	1198	1200	1200
2024-09-01	1169.6	1165.2	1200	1200
2024-05-01	1169.6	1165.2	1200	1200
2024-04-01	1169.6	1165.2	1200	1200
2024-03-01	1169.6	1165.2	1200	1200
2024-02-01	1169.6	1165.2	1200	1200
2024-01-01	1198.4	1197.6	1200	1200
2023-12-01	1198.4	1197.6	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	Gauteng Inter-Region at UJ 2024 (U14 Candidates)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	3	0	Yes	Analysis
2	DR KKD Mooirivier Trials 2024 (U14)	2024-09-14	2024-09-14	Standard	Dr Kenneth Kaunda (NWP)	5	5	1	Yes	Analysis
3	DR KKD Curro Agegroup 2024 (U14)	2024-08-31	2024-08-31	Standard	Dr Kenneth Kaunda (NWP)	5	5	2	Yes	Analysis
4	DR KK Gimmies 2024 (D)	2024-07-13	2024-07-13	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
5	DR KKD Saamtrek 2024 (U14)	2024-06-08	2024-06-08	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
6	2024 Gauteng Inter-Region Chess Championship (U14B)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
7	DR KKD Trials 2023 (U14)	2023-09-02	2023-09-02	Standard	Dr Kenneth Kaunda (NWP)	5	5	2.5	Yes	Analysis
8	DR KKD Meiringspark 2023 (U14)	2023-08-19	2023-08-19	Standard	Dr Kenneth Kaunda (NWP)	5	4	2	Yes	Analysis
9	DR Kenneth Kaunda Volkies 29 Jul 2023 (D)	2023-07-29	2023-07-29	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
10	Dr Kenneth Kaunda Volkies 2023 (D)	2023-06-10	2023-06-10	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
11	Dr KKD Curro 2023 (U14)	2023-05-13	2023-05-13	Standard	Dr Kenneth Kaunda (NWP)	5	4	1.5	Yes	Analysis
12	DR Kenneth Kaunda Curro 2023 (D)	2023-04-22	2023-04-22	Standard	Dr Kenneth Kaunda (NWP)	5	4	2	Yes	Analysis
13	Dr KKD NG Goudkop 2023 (D Senior)	2023-03-18	2023-03-18	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
14	Dr. Kenneth Kaunda Saamtrek 2023 (U14)	2023-02-04	2023-02-04	Standard	Dr Kenneth Kaunda (NWP)	5	4	2	Yes	Analysis
15	Dr. KKD SAJCC Trials September 2022 (U12+U14)	2022-09-03	2022-09-03	Standard	Dr Kenneth Kaunda (NWP)	5	5	1.5	Yes	Analysis
16	Dr. KKD Volkskool 2022 (U14)	2022-08-20	2022-08-20	Standard	Dr Kenneth Kaunda (NWP)	5	5	1.5	Yes	Analysis
17	Bailie Park Potchefstroom 2022 (U12)	2022-04-06	2022-04-06	Standard	Dr Kenneth Kaunda (NWP)	5	4	0.5	Yes	Analysis
18	Volkskool 2022 (U16)	2022-02-05	2022-02-05	Standard	Dr Kenneth Kaunda (NWP)	5	5	1	Yes	Analysis
19	Wesvalia 2020 (U8+U10)	2020-02-15	2020-02-15	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament Dr Kenneth Kaunda Volkies 2023				Tournament DR Kenneth Kaunda Volkies 29 Jul 2023
		date 2023-06-10	rnd 5	type Standard	result 1	date 2023-07-29	rnd 3	type Standard	result 1
		Opponent Van Romburgh, J (Jan)				Opponent Peega, O (Olertato)
2	3	Tournament DR KKD Saamtrek 2024				Tournament DR KKD Saamtrek 2024
		date 2024-06-08	rnd 2	type Standard	result 1	date 2024-06-08	rnd 4	type Standard	result 1
		Opponent Hina, F (Fikile)				Opponent Harding, A (Aiden)
3	3	Tournament DR KKD Meiringspark 2023				Tournament DR KKD Trials 2023
		date 2023-08-19	rnd 4	type Standard	result 1	date 2023-09-02	rnd 1	type Standard	result 1
		Opponent Mafoko, S (Sechaba)				Opponent Gagaza, I (Inam)

#	Games	Start				End
1	4	Tournament Dr Kenneth Kaunda Volkies 2023				Tournament DR Kenneth Kaunda Volkies 29 Jul 2023
		date 2023-06-10	rnd 5	type Standard	result 1	date 2023-07-29	rnd 3	type Standard	result 1
		Opponent Van Romburgh, J (Jan)				Opponent Peega, O (Olertato)
2	3	Tournament DR KKD Saamtrek 2024				Tournament DR KKD Saamtrek 2024
		date 2024-06-08	rnd 2	type Standard	result 1	date 2024-06-08	rnd 4	type Standard	result 1
		Opponent Hina, F (Fikile)				Opponent Harding, A (Aiden)
3	3	Tournament DR KKD Meiringspark 2023				Tournament DR KKD Trials 2023
		date 2023-08-19	rnd 4	type Standard	result 1	date 2023-09-02	rnd 1	type Standard	result 1
		Opponent Mafoko, S (Sechaba)				Opponent Gagaza, I (Inam)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Dr Kenneth Kaunda Volkies 2023				Tournament DR Kenneth Kaunda Volkies 29 Jul 2023
		date 2023-06-10	rnd 5	type Standard	result 1	date 2023-07-29	rnd 3	type Standard	result 1
		Opponent Van Romburgh, J (Jan)				Opponent Peega, O (Olertato)
2	3	Tournament DR KKD Saamtrek 2024				Tournament DR KKD Saamtrek 2024
		date 2024-06-08	rnd 2	type Standard	result 1	date 2024-06-08	rnd 4	type Standard	result 1
		Opponent Hina, F (Fikile)				Opponent Harding, A (Aiden)
3	3	Tournament DR KKD Meiringspark 2023				Tournament DR KKD Trials 2023
		date 2023-08-19	rnd 4	type Standard	result 1	date 2023-09-02	rnd 1	type Standard	result 1
		Opponent Mafoko, S (Sechaba)				Opponent Gagaza, I (Inam)

#	Games	Start				End
1	4	Tournament Dr Kenneth Kaunda Volkies 2023				Tournament DR Kenneth Kaunda Volkies 29 Jul 2023
		date 2023-06-10	rnd 5	type Standard	result 1	date 2023-07-29	rnd 3	type Standard	result 1
		Opponent Van Romburgh, J (Jan)				Opponent Peega, O (Olertato)
2	3	Tournament DR KKD Saamtrek 2024				Tournament DR KKD Saamtrek 2024
		date 2024-06-08	rnd 2	type Standard	result 1	date 2024-06-08	rnd 4	type Standard	result 1
		Opponent Hina, F (Fikile)				Opponent Harding, A (Aiden)
3	3	Tournament DR KKD Meiringspark 2023				Tournament DR KKD Trials 2023
		date 2023-08-19	rnd 4	type Standard	result 1	date 2023-09-02	rnd 1	type Standard	result 1
		Opponent Mafoko, S (Sechaba)				Opponent Gagaza, I (Inam)

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	Molefe ,HT (His-Eminennce Tshenolo)	5	2.5	0	5	2.5	0	0	0	0	0	0	0
1	Molefe ,HT (His-Eminennce Tshenolo)	5	1168.6	1168.6	5	1160.5	1168.6	0	0	0	0	0	0
2	Ellis ,S (Suane)	4	0.5	-318.8	4	0.5	-318.8	0	0	0	0	0	0
2	Ellis ,S (Suane)	4	1152.4	833.6	4	1152.4	833.6	0	0	0	0	0	0
3	Mostert ,DE (Dawid Erich)	3	0	-425	3	0	-425	0	0	0	0	0	0
3	Mostert ,DE (Dawid Erich)	3	1255.7	830.7	3	1239.7	830.7	0	0	0	0	0	0
4	Gresse ,J (Julian)	2	1	0	2	1	0	0	0	0	0	0	0
4	Gresse ,J (Julian)	2	1170.7	1170.7	2	1163.6	1170.7	0	0	0	0	0	0
5	Harding ,A (Aiden)	2	2	425	2	2	425	0	0	0	0	0	0
5	Harding ,A (Aiden)	2	1167.1	1592.1	2	1157.5	1592.1	0	0	0	0	0	0
6	Botha ,Z (Zak)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Botha ,Z (Zak)	2	1094.2	669.2	2	1087.9	669.2	0	0	0	0	0	0
7	Van Romburgh ,J (Jan)	2	2	425	2	2	425	0	0	0	0	0	0
7	Van Romburgh ,J (Jan)	2	1103.6	1528.6	2	1099	1528.6	0	0	0	0	0	0
8	Goldschagg ,R (Rudolf)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Goldschagg ,R (Rudolf)	2	1328.9	903.9	2	1325.1	903.9	0	0	0	0	0	0
9	Fouche ,N (Nathan)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
9	Fouche ,N (Nathan)	2	1116.6	904.1	2	1095.3	904.1	0	0	0	0	0	0
10	Gagaza ,I (Inam)	2	2	425	2	2	425	0	0	0	0	0	0
10	Gagaza ,I (Inam)	2	1213.6	1638.6	2	1215.3	1638.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Grobbelaar, H (Hannes)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms