Chess South Africa Ratings Database

PLAYER PAGE

Personal

Grobler, J (Jurgens)

Chess SA id

1130144081

FIDE id

Date of birth

2013-10-10 (U14)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-09-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1215.2	1252	1163.7	1200
Raw rating	1215.2	1252	1163.7	1200
Weighted rating	1214.3	1252	1162.6	1200
Weighted performance	0	0	0	0
Floor	744	752	701.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	162.3	154	174.6	165.8
Highest rating	1412.6 2022-07-01	1412.8 2022-07-01	1205.8 2022-10-01	1200 2018-10-01
Highest raw rating	1244 2022-10-01	1252 2024-02-01	1201.6 2022-11-01	1200 2024-02-01
Highest weighted rating	1244 2023-09-01	1252 2025-02-01	1201.6 2023-09-01	1200 2018-10-01
Highest weighted performance	1412.6 2022-07-01	1412.8 2022-07-01	1205.8 2022-10-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1215.2	1252	1163.7	1200
Analysis
Rating	1215.2	1252	1163.7	1200
Raw rating	1215.2	1252	1163.7	1200
Weighted rating	1214.3	1252	1162.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	744	752	701.6	700
Max/Min rating change allowed	162.3	154	174.6	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	1215.2	1252	1163.7	1200
New weighted rating	1214.4	1252	1162.8	1200
New weighted performance	0	0	0	0
Temp new rating	1215.2	1252	1163.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1215.2	1252	1163.7	1200
New K-factor	36	36	36	36
New floor	744	752	701.6	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	5	0	5
	12	9	3
	0	0	0
History	17	9	8

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	17	8.5	50	0	1220.9	1220.9
Standard	9	6	66.67	141.7	1201.7	1343.4
Rapid	8	2.5	31.25	-159.4	1242.5	1083.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1215.2	1252	1163.7	1200
2025-09-01	1215.2	1252	1163.7	1200
2025-08-01	1215.2	1252	1163.7	1200
2025-07-01	1215.2	1252	1163.7	1200
2025-06-01	1215.2	1252	1163.7	1200
2025-05-01	1215.2	1252	1163.7	1200
2025-04-01	1215.2	1252	1163.7	1200
2025-03-01	1215.2	1252	1163.7	1200
2025-02-01	1215.2	1252	1163.7	1200
2025-01-01	1213.1	1252	1160.9	1200
2024-12-01	1213.1	1252	1160.9	1200
2024-11-01	1213.1	1252	1160.9	1200
2024-10-01	1213.1	1252	1160.9	1200
2024-09-01	1213.1	1252	1160.9	1200
2024-08-01	1213.1	1252	1160.9	1200
2024-07-01	1213.1	1252	1160.9	1200
2024-06-01	1213.1	1252	1160.9	1200
2024-08-01	1213.1	1252	1160.9	1200
2024-04-01	1213.1	1252	1160.9	1200
2024-03-01	1213.1	1252	1160.9	1200
2024-02-01	1213.1	1252	1160.9	1200
2024-01-01	1213.1	1252	1160.9	1200
2023-12-01	1213.1	1252	1160.9	1200
2023-11-01	1213.1	1252	1160.9	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	Mpumalanga Final 2023 (U11)	2023-09-02	2023-09-02	Rapid	Gert Sibande (MGS)	5	5	1	Yes	Analysis
2	Super 8 Skaak 2022 (Juniors)	2022-10-15	2022-10-15	Rapid	Bojanala Platina (NBR)	3	3	1.5	Yes	Analysis
3	Larries The Final Wild Card Tournament 2022 (U10)	2022-09-17	2022-09-17	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
4	Bojanala Chess Federation Clash of Schools 2022 (PS Development Juniors)	2022-07-23	2022-07-23	Standard	Bojanala Platina (NBR)	4	4	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament Super 8 Skaak 2022				Tournament Mpumalanga Final 2023
		date 2022-10-15	rnd 3	type Rapid	result 0.5	date 2023-09-02	rnd 1	type Rapid	result 1
		Opponent Thiart, J (Joe)				Opponent Joubert, A (Armand)
2	2	Tournament Larries The Final Wild Card Tournament 2022				Tournament Larries The Final Wild Card Tournament 2022
		date 2022-09-17	rnd 3	type Standard	result 1	date 2022-09-17	rnd 4	type Standard	result 1
		Opponent Musiiwa, C (Carlex)				Opponent Gaboutlwelwe, K (Kgosi)
3	2	Tournament Bojanala Chess Federation Clash of Schools 2022				Tournament Larries The Final Wild Card Tournament 2022
		date 2022-07-23	rnd 4	type Standard	result 1	date 2022-09-17	rnd 1	type Standard	result 1
		Opponent Monedi, R (Reatlegile)				Opponent Motau, N (Neelo)

#	Games	Start				End
1	2	Tournament Larries The Final Wild Card Tournament 2022				Tournament Larries The Final Wild Card Tournament 2022
		date 2022-09-17	rnd 3	type Standard	result 1	date 2022-09-17	rnd 4	type Standard	result 1
		Opponent Musiiwa, C (Carlex)				Opponent Gaboutlwelwe, K (Kgosi)
2	2	Tournament Bojanala Chess Federation Clash of Schools 2022				Tournament Larries The Final Wild Card Tournament 2022
		date 2022-07-23	rnd 4	type Standard	result 1	date 2022-09-17	rnd 1	type Standard	result 1
		Opponent Monedi, R (Reatlegile)				Opponent Motau, N (Neelo)
3	2	Tournament Bojanala Chess Federation Clash of Schools 2022				Tournament Bojanala Chess Federation Clash of Schools 2022
		date 2022-07-23	rnd 1	type Standard	result 1	date 2022-07-23	rnd 2	type Standard	result 1
		Opponent Du Preez, B (Bg)				Opponent Mafuya, L (Lunga)

#	Games	Start				End
1	2	Tournament Super 8 Skaak 2022				Tournament Mpumalanga Final 2023
		date 2022-10-15	rnd 3	type Rapid	result 0.5	date 2023-09-02	rnd 1	type Rapid	result 1
		Opponent Thiart, J (Joe)				Opponent Joubert, A (Armand)
2	1	Tournament Super 8 Skaak 2022				Tournament Super 8 Skaak 2022
		date 2022-10-15	rnd 1	type Rapid	result 1	date 2022-10-15	rnd 1	type Rapid	result 1
		Opponent Somers, A (Addyson)				Opponent Somers, A (Addyson)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Larries The Final Wild Card Tournament 2022				Tournament Larries The Final Wild Card Tournament 2022
		date 2022-09-17	rnd 3	type Standard	result 1	date 2022-09-17	rnd 4	type Standard	result 1
		Opponent Musiiwa, C (Carlex)				Opponent Gaboutlwelwe, K (Kgosi)
2	2	Tournament Bojanala Chess Federation Clash of Schools 2022				Tournament Larries The Final Wild Card Tournament 2022
		date 2022-07-23	rnd 4	type Standard	result 1	date 2022-09-17	rnd 1	type Standard	result 1
		Opponent Monedi, R (Reatlegile)				Opponent Motau, N (Neelo)
3	2	Tournament Bojanala Chess Federation Clash of Schools 2022				Tournament Bojanala Chess Federation Clash of Schools 2022
		date 2022-07-23	rnd 1	type Standard	result 1	date 2022-07-23	rnd 2	type Standard	result 1
		Opponent Du Preez, B (Bg)				Opponent Mafuya, L (Lunga)

#	Games	Start				End
1	2	Tournament Larries The Final Wild Card Tournament 2022				Tournament Larries The Final Wild Card Tournament 2022
		date 2022-09-17	rnd 3	type Standard	result 1	date 2022-09-17	rnd 4	type Standard	result 1
		Opponent Musiiwa, C (Carlex)				Opponent Gaboutlwelwe, K (Kgosi)
2	2	Tournament Bojanala Chess Federation Clash of Schools 2022				Tournament Larries The Final Wild Card Tournament 2022
		date 2022-07-23	rnd 4	type Standard	result 1	date 2022-09-17	rnd 1	type Standard	result 1
		Opponent Monedi, R (Reatlegile)				Opponent Motau, N (Neelo)
3	2	Tournament Bojanala Chess Federation Clash of Schools 2022				Tournament Bojanala Chess Federation Clash of Schools 2022
		date 2022-07-23	rnd 1	type Standard	result 1	date 2022-07-23	rnd 2	type Standard	result 1
		Opponent Du Preez, B (Bg)				Opponent Mafuya, L (Lunga)

#	Games	Start				End
1	1	Tournament Mpumalanga Final 2023				Tournament Mpumalanga Final 2023
		date 2023-09-02	rnd 1	type Rapid	result 1	date 2023-09-02	rnd 1	type Rapid	result 1
		Opponent Joubert, A (Armand)				Opponent Joubert, A (Armand)
2	1	Tournament Super 8 Skaak 2022				Tournament Super 8 Skaak 2022
		date 2022-10-15	rnd 1	type Rapid	result 1	date 2022-10-15	rnd 1	type Rapid	result 1
		Opponent Somers, A (Addyson)				Opponent Somers, A (Addyson)

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	Monedi ,R (Reatlegile)	1	1	425	1	1	425	0	0	0	0	0	0
1	Monedi ,R (Reatlegile)	1	1165.2	1590.2	1	1158.8	1590.2	0	0	0	0	0	0
2	Mogomotsi ,G (Gofaone)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Mogomotsi ,G (Gofaone)	1	1240.7	815.7	1	1248.7	815.7	0	0	0	0	0	0
3	Musiiwa ,C (Carlex)	1	1	425	1	1	425	0	0	0	0	0	0
3	Musiiwa ,C (Carlex)	1	1166.1	1591.1	1	1159.2	1591.1	0	0	0	0	0	0
4	Motau ,N (Neelo)	1	1	425	1	1	425	0	0	0	0	0	0
4	Motau ,N (Neelo)	1	1259.1	1684.1	1	1266.1	1684.1	0	0	0	0	0	0
5	Locherenberg ,J (Jason)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Locherenberg ,J (Jason)	1	1192.6	767.6	1	1200	767.6	0	0	0	0	0	0
6	Mafuya ,L (Lunga)	1	1	425	1	1	425	0	0	0	0	0	0
6	Mafuya ,L (Lunga)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Gaboutlwelwe ,K (Kgosi)	1	1	425	1	1	425	0	0	0	0	0	0
7	Gaboutlwelwe ,K (Kgosi)	1	1201.4	1626.4	1	1203.2	1626.4	0	0	0	0	0	0
8	Netangaheni ,N (Ndiene)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Netangaheni ,N (Ndiene)	1	1190	765	1	1183.1	765	0	0	0	0	0	0
9	Du Preez ,B (Bg)	1	1	425	1	1	425	0	0	0	0	0	0
9	Du Preez ,B (Bg)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Mthiyane ,K (Khanya)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Mthiyane ,K (Khanya)	1	1200	775	0	0	0	1	1200	775	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Grobler, J (Jurgens)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms