Chess South Africa Ratings Database

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Personal

Grobler, Z (Zander)

Chess SA id

109066919

FIDE id

Date of birth

2009-05-07 (U18)

Gender

Male

Region

Ehlanzeni (MEN)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-07-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1309.4	1332.2	627.2	627.2
Raw rating	1309.4	1332.2	627.2	627.2
Weighted rating	1309.4	1332.2	627.2	627.2
Weighted performance	656.8	657.9	0	0
Floor	809.4	832.2	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	141.9	137.3	375	375
Highest rating	1309.4 2024-02-01	1332.2 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1309.4 2024-02-01	1332.2 2024-02-01	627.2 2024-02-01	627.2 2024-02-01
Highest weighted rating	1309.4 2025-06-01	1332.2 2025-06-01	627.2 2024-11-01	627.2 2024-11-01
Highest weighted performance	1286.4 2023-07-01	1287.8 2023-07-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1309.4	1332.2	627.2	627.2
Analysis
Rating	1309.4	1332.2	627.2	627.2
Raw rating	1309.4	1332.2	627.2	627.2
Weighted rating	1309.4	1332.2	627.2
Weighted performance	656.8	657.9	0
K-factor	36	36	40	40
Floor	809.4	832.2	500	500
Max/Min rating change allowed	141.9	137.3	375	375
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	1309.4	1332.2	627.2	627.2
New weighted rating	1309.4	1332.2	627.2	627.2
New weighted performance	656.4	657.4	0	0
Temp new rating	1309.4	1332.2	627.2	627.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1309.4	1332.2	627.2	627.2
New K-factor	36	36	40	40
New floor	809.4	832.2	500	500

Item	Main	Standard
	0	0
	0	0
	0	0
	2	2
	10	10
	0	0
History	213	213

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Ehlanzeni (MEN)
Province	Mpumalanga (MP)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	97	61	62.89	109.5	1055.2	1164.7
Standard	97	61	62.89	109.5	1055.2	1164.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1309.4	1332.2	627.2	627.2
2025-09-01	1309.4	1332.2	627.2	627.2
2025-08-01	1309.4	1332.2	627.2	627.2
2025-07-01	1309.4	1332.2	627.2	627.2
2025-06-01	1309.4	1332.2	627.2	627.2
2025-05-01	1309.4	1332.2	627.2	627.2
2025-04-01	1309.4	1332.2	627.2	627.2
2025-03-01	1309.4	1332.2	627.2	627.2
2025-02-01	1309.4	1332.2	627.2	627.2
2025-01-01	1309.4	1332.2	627.2	627.2
2024-12-01	1309.4	1332.2	627.2	627.2
2024-11-01	1309.4	1332.2	627.2	627.2
2024-10-01	1309.4	1332.2	627.2	627.2
2024-09-01	1309.4	1332.2	627.2	627.2
2024-08-01	1309.4	1332.2	627.2	627.2
2024-07-01	1309.4	1332.2	627.2	627.2
2024-06-01	1309.4	1332.2	627.2	627.2
2024-08-01	1309.4	1332.2	627.2	627.2
2024-04-01	1309.4	1332.2	627.2	627.2
2024-03-01	1309.4	1332.2	627.2	627.2
2024-02-01	1309.4	1332.2	627.2	627.2
2024-01-01	1309.4	1332.2	627.2	627.2
2023-12-01	1309.4	1332.2	627.2	627.2
2023-11-01	1309.4	1332.2	627.2	627.2

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	Interhigh 2023 (U15)	2023-07-29	2023-07-29	Standard	Ehlanzeni (MEN)	3	2	2	Yes	Analysis
2	White River Primary 2022 (U14)	2022-07-30	2022-07-30	Standard	Ehlanzeni (MEN)	5	5	4	Yes	Analysis
3	Uplands Chess Tournament 2022 (U14)	2022-02-26	2022-02-26	Standard	Ehlanzeni (MEN)	5	5	4	Yes	Analysis
4	Bergvlam Tournament 2020 (U12)	2020-03-14	2020-03-14	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
5	2019 South African Junior Team Championships (U12A)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	1	Yes	Analysis
6	Ehlanzeni Open 2019 (C)	2019-07-20	2019-07-20	Standard	Ehlanzeni (MEN)	5	5	2	Yes	Analysis
7	De Goede Top 10 2019 (U12)	2019-07-03	2019-07-03	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
8	Barberton Primary 2019 (U12)	2019-07-27	2019-07-27	Standard	Ehlanzeni (MEN)	5	5	4	Yes	Analysis
9	Rob Ferreira 2019 (B)	2019-04-06	2019-04-06	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
10	Penryn Age Open 2019 (U12)	2019-02-09	2019-02-09	Standard	Ehlanzeni (MEN)	5	5	4	Yes	Analysis
11	South African Junior Team Championships 2018 (U10C)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	6	Yes	Analysis
12	De Goede Top 20 Closed 2018 (U10 Open)	2018-08-18	2018-08-18	Standard	Ehlanzeni (MEN)	5	5	3.5	Yes	Analysis
13	Malelane Primary 2018 (U10 Open)	2018-07-21	2018-07-21	Standard	Ehlanzeni (MEN)	5	5	3.5	Yes	Analysis
14	Lowveld Open 2018 (C)	2018-07-28	2018-07-28	Standard	Ehlanzeni (MEN)	5	5	2	Yes	Analysis
15	Curro Age Open 2018 (U8+U10 Open)	2018-05-12	2018-05-12	Standard	Ehlanzeni (MEN)	5	4	2	Yes	Analysis
16	Penryn Age Open 2018 (U8+U10)	2018-04-21	2018-04-21	Standard	Ehlanzeni (MEN)	5	5	4	Yes	Analysis
17	Uplands College Open (B)	2018-03-03	2018-03-03	Standard	Ehlanzeni (MEN)	5	5	2	Yes	Analysis
18	Rob Ferreira Hoerskool Open 2018 (B)	2018-03-17	2018-03-17	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
19	South African Junior Team Championships 2017 (U10C)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	5	Yes	Analysis

#	Games	Start				End
1	6	Tournament Penryn Age Open 2019				Tournament Rob Ferreira 2019
		date 2019-02-09	rnd 2	type Standard	result 1	date 2019-04-06	rnd 2	type Standard	result 1
		Opponent Van Greunen, N (Nathan)				Opponent Mandeya, B (Brendon)
2	5	Tournament Uplands Chess Tournament 2022				Tournament White River Primary 2022
		date 2022-02-26	rnd 4	type Standard	result 1	date 2022-07-30	rnd 3	type Standard	result 1
		Opponent Roos, K (Kirstin)				Opponent Glass, G (Gift)
3	5	Tournament Penryn Age Open 2018				Tournament Curro Age Open 2018
		date 2018-04-21	rnd 3	type Standard	result 1	date 2018-05-12	rnd 2	type Standard	result 1
		Opponent Arugundiya, R (Robert)				Opponent Pringle, H (Henro)

#	Games	Start				End
1	6	Tournament Penryn Age Open 2019				Tournament Rob Ferreira 2019
		date 2019-02-09	rnd 2	type Standard	result 1	date 2019-04-06	rnd 2	type Standard	result 1
		Opponent Van Greunen, N (Nathan)				Opponent Mandeya, B (Brendon)
2	5	Tournament Uplands Chess Tournament 2022				Tournament White River Primary 2022
		date 2022-02-26	rnd 4	type Standard	result 1	date 2022-07-30	rnd 3	type Standard	result 1
		Opponent Roos, K (Kirstin)				Opponent Glass, G (Gift)
3	5	Tournament Penryn Age Open 2018				Tournament Curro Age Open 2018
		date 2018-04-21	rnd 3	type Standard	result 1	date 2018-05-12	rnd 2	type Standard	result 1
		Opponent Arugundiya, R (Robert)				Opponent Pringle, H (Henro)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Penryn Age Open 2019				Tournament Rob Ferreira 2019
		date 2019-02-09	rnd 2	type Standard	result 1	date 2019-04-06	rnd 2	type Standard	result 1
		Opponent Van Greunen, N (Nathan)				Opponent Mandeya, B (Brendon)
2	5	Tournament Uplands Chess Tournament 2022				Tournament White River Primary 2022
		date 2022-02-26	rnd 4	type Standard	result 1	date 2022-07-30	rnd 3	type Standard	result 1
		Opponent Roos, K (Kirstin)				Opponent Glass, G (Gift)
3	5	Tournament Penryn Age Open 2018				Tournament Curro Age Open 2018
		date 2018-04-21	rnd 3	type Standard	result 1	date 2018-05-12	rnd 2	type Standard	result 1
		Opponent Arugundiya, R (Robert)				Opponent Pringle, H (Henro)

#	Games	Start				End
1	6	Tournament Penryn Age Open 2019				Tournament Rob Ferreira 2019
		date 2019-02-09	rnd 2	type Standard	result 1	date 2019-04-06	rnd 2	type Standard	result 1
		Opponent Van Greunen, N (Nathan)				Opponent Mandeya, B (Brendon)
2	5	Tournament Uplands Chess Tournament 2022				Tournament White River Primary 2022
		date 2022-02-26	rnd 4	type Standard	result 1	date 2022-07-30	rnd 3	type Standard	result 1
		Opponent Roos, K (Kirstin)				Opponent Glass, G (Gift)
3	5	Tournament Penryn Age Open 2018				Tournament Curro Age Open 2018
		date 2018-04-21	rnd 3	type Standard	result 1	date 2018-05-12	rnd 2	type Standard	result 1
		Opponent Arugundiya, R (Robert)				Opponent Pringle, H (Henro)

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	Macdonald ,I (Ian)	6	1	-283.3	6	1	-283.3	0	0	0	0	0	0
1	Macdonald ,I (Ian)	6	1140.5	857.2	6	1140.6	857.2	0	0	0	0	0	0
2	Pauer ,M (Mieke)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
2	Pauer ,M (Mieke)	3	1227.4	1085.7	3	1230.1	1085.7	0	0	0	0	0	0
3	Patel ,A (Abdul-Samad)	3	0	-425	3	0	-425	0	0	0	0	0	0
3	Patel ,A (Abdul-Samad)	3	964.4	539.4	3	965.5	539.4	0	0	0	0	0	0
4	Ogunjiofor ,CJ (Chinedu Jeremy)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
4	Ogunjiofor ,CJ (Chinedu Jeremy)	3	990.6	848.9	3	994.1	848.9	0	0	0	0	0	0
5	Wessels ,M (Meyer)	3	3	425	3	3	425	0	0	0	0	0	0
5	Wessels ,M (Meyer)	3	896.5	1321.5	3	901.8	1321.5	0	0	0	0	0	0
6	Matthee ,A (Alex)	2	2	425	2	2	425	0	0	0	0	0	0
6	Matthee ,A (Alex)	2	1131.4	1556.4	2	1118.8	1556.4	0	0	0	0	0	0
7	Botha ,W (Wian)	2	2	425	2	2	425	0	0	0	0	0	0
7	Botha ,W (Wian)	2	1031.7	1456.7	2	1014.3	1456.7	0	0	0	0	0	0
8	Arugundiya ,R (Robert)	2	2	425	2	2	425	0	0	0	0	0	0
8	Arugundiya ,R (Robert)	2	1030.9	1455.9	2	1013.8	1455.9	0	0	0	0	0	0
9	Van Heerden ,M (Michael)	2	2	425	2	2	425	0	0	0	0	0	0
9	Van Heerden ,M (Michael)	2	887.5	1312.4	2	884.8	1312.4	0	0	0	0	0	0
10	Van Dyk ,M (Mia)	2	1	0	2	1	0	0	0	0	0	0	0
10	Van Dyk ,M (Mia)	2	1101.3	1101.3	2	1087.3	1101.3	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

Grobler, Z (Zander)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms