Chess South Africa Ratings Database

PLAYER PAGE

Personal

Weimers, J (Jemal)

Chess SA id

1080137618

FIDE id

Date of birth

2008-12-21 (U18)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1118.6

Item	Main	Standard	Rapid	Blitz
Rating	1192.1	1166.8	1217.6	1200
Raw rating	1192.1	1166.8	1217	1200
Weighted rating	1187.9	1159.3	1217.6	1200
Weighted performance	1082.3	0	0	0
Floor	700	700	748	700
K-factor	36	36	36	36
Min/Max rating change allowed	167.7	173.8	161.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1248 2024-06-01	1200 2018-10-01
Highest raw rating	1200 2020-01-01	1200 2020-01-01	1248 2024-06-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1248 2024-10-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2020-01-01	1236.4 2024-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0.1	0
New rating	1192.1	1166.8	1217.6	1200
Analysis
Rating	1192.1	1166.8	1217.6	1200
Raw rating	1192.1	1166.8	1217	1200
Weighted rating	1187.9	1159.3	1217.6
Weighted performance	1082.3	0	0
K-factor	36	36	36	36
Floor	700	700	748	700
Max/Min rating change allowed	167.7	173.8	161.8	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	1192.1	1166.8	1217	1200
New weighted rating	1188.4	1159.9	1217.6	1200
New weighted performance	1075.4	0	0	0
Temp new rating	1192.1	1166.8	1217.6	1200
Temp new rating +/-	0	0	0.1	0
Final new rating +/-	0	0	0.1	0
New rating	1192.1	1166.8	1217.6	1200
New K-factor	36	36	36	36
New floor	700	700	748	700

Item	Main	Standard	Rapid
	0	0	0
	11	11	0
	11	0	11
	0	0	0
	14	9	5
	0	0	0
History	36	20	16

Games since
	Main 22	Standard 11		Rapid 11		Blitz 0
Gender	Male
Age group	U18
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
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	11	3	27.27	-193.2	1392.3	1199.1
Standard	11	3	27.27	-193.2	1392.3	1199.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	36	15.5	43.06	-59	1248.4	1189.4
Standard	20	7	35	-127.5	1283.7	1156.2
Rapid	16	8.5	53.12	26.6	1204.4	1230.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1192.1	1166.8	1217	1200
2025-09-30	1183.4	1156	1217	1200
2025-09-01	1183.4	1156	1217	1200
2025-08-01	1187.6	1159.2	1217	1200
2025-07-01	1187.6	1159.2	1216.7	1200
2025-06-01	1187.6	1159.2	1216.3	1200
2025-05-01	1187.6	1159.2	1216	1200
2025-04-01	1187.6	1159.2	1215.5	1200
2025-03-01	1187.6	1159.2	1215	1200
2025-02-01	1187.6	1159.2	1213.6	1200
2025-01-01	1187.6	1159.2	1199.4	1200
2024-12-01	1187.6	1159.2	1199.4	1200
2024-11-01	1187.6	1159.2	1199.4	1200
2024-10-01	1199.6	1159.2	1248	1200
2024-09-01	1199.6	1159.2	1248	1200
2024-08-01	1199.6	1159.2	1248	1200
2024-07-01	1199.6	1159.2	1248	1200
2024-09-01	1199.6	1159.2	1248	1200
2024-05-01	1170.3	1159.2	1198.4	1200
2024-04-01	1170.3	1159.2	1198.4	1200
2024-03-01	1170.3	1159.2	1198.4	1200
2024-02-01	1170.3	1159.2	1198.4	1200
2024-01-01	1170.3	1159.2	1198.4	1200
2023-12-01	1170.3	1159.2	1198.4	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	Western Cape Club Championship 2025 (B)	2025-10-25	2025-10-26	Standard	Overberg (WOS)	5	5	1	Yes	Analysis
2	Western Cape Women�s Championship 2025 (Advanced)	2025-08-08	2025-08-10	Standard	West Coast (WCU)	6	6	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Club Championship 2025 (B)	2025-10-25	2025-10-26	Standard	Overberg (WOS)	5	5	1	Yes	Analysis
2	Western Cape Women�s Championship 2025 (Advanced)	2025-08-08	2025-08-10	Standard	West Coast (WCU)	6	6	2	Yes	Analysis
3	Worcester Knock-Out 2024 (U18 Boys)	2024-10-19	2024-10-19	Rapid	Cape Winelands (WCW)	6	6	2	Yes	Analysis
4	Western Cape Women�s Championship 2024 (Advanced)	2024-08-08	2024-08-11	Standard	West Coast (WCU)	6	0	0	No	Analysis
5	Robertson Strategema Chess May 2024 (Open)	2024-05-11	2024-05-11	Rapid	Cape Winelands (WCW)	5	5	4	Yes	Analysis
6	Ceres Open 2022 (B)	2022-04-23	2022-04-23	Standard	Cape Winelands (WCW)	6	4	2	Yes	Analysis
7	Cape Winelands Schools 2022 (U15 Boys)	2022-03-05	2022-03-05	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
8	Worcester Schools Trials 2022 (U15 Boys)	2022-02-19	2022-02-19	Rapid	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Robertson Strategema Chess May 2024				Tournament Robertson Strategema Chess May 2024
		date 2024-05-11	rnd 3	type Rapid	result 1	date 2024-05-11	rnd 5	type Rapid	result 1
		Opponent Faro, H (Henson)				Opponent Booysen, J (Jakob)
2	3	Tournament Ceres Open 2022				Tournament Robertson Strategema Chess May 2024
		date 2022-04-23	rnd 3	type Standard	result 1	date 2024-05-11	rnd 1	type Rapid	result 1
		Opponent Roberts, E (Ethan)				Opponent Nortje, M (Melvinia)
3	2	Tournament Worcester Schools Trials 2022				Tournament Worcester Schools Trials 2022
		date 2022-02-19	rnd 1	type Rapid	result 1	date 2022-02-19	rnd 2	type Rapid	result 0.5
		Opponent Kruger, T (Tyreece)				Opponent Andrews, M (Marlin)

#	Games	Start				End
1	2	Tournament Ceres Open 2022				Tournament Ceres Open 2022
		date 2022-04-23	rnd 3	type Standard	result 1	date 2022-04-23	rnd 4	type Standard	result 1
		Opponent Roberts, E (Ethan)				Opponent Eksteen, S (Stefan)
2	1	Tournament Western Cape Women�s Championship 2025				Tournament Western Cape Women�s Championship 2025
		date 2025-08-10	rnd 6	type Standard	result 1	date 2025-08-10	rnd 6	type Standard	result 1
		Opponent Koopman, M (Maronashia)				Opponent Koopman, M (Maronashia)
3	1	Tournament Western Cape Women�s Championship 2025				Tournament Western Cape Women�s Championship 2025
		date 2025-08-09	rnd 3	type Standard	result 1	date 2025-08-09	rnd 3	type Standard	result 1
		Opponent Tsiloane, S (Sabata)				Opponent Tsiloane, S (Sabata)

#	Games	Start				End
1	3	Tournament Robertson Strategema Chess May 2024				Tournament Robertson Strategema Chess May 2024
		date 2024-05-11	rnd 3	type Rapid	result 1	date 2024-05-11	rnd 5	type Rapid	result 1
		Opponent Faro, H (Henson)				Opponent Booysen, J (Jakob)
2	2	Tournament Worcester Schools Trials 2022				Tournament Worcester Schools Trials 2022
		date 2022-02-19	rnd 1	type Rapid	result 1	date 2022-02-19	rnd 2	type Rapid	result 0.5
		Opponent Kruger, T (Tyreece)				Opponent Andrews, M (Marlin)
3	1	Tournament Worcester Knock-Out 2024				Tournament Worcester Knock-Out 2024
		date 2024-10-19	rnd 6	type Rapid	result 1	date 2024-10-19	rnd 6	type Rapid	result 1
		Opponent Gordon, S (Savian)				Opponent Gordon, S (Savian)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Robertson Strategema Chess May 2024				Tournament Robertson Strategema Chess May 2024
		date 2024-05-11	rnd 3	type Rapid	result 1	date 2024-05-11	rnd 5	type Rapid	result 1
		Opponent Faro, H (Henson)				Opponent Booysen, J (Jakob)
2	3	Tournament Ceres Open 2022				Tournament Robertson Strategema Chess May 2024
		date 2022-04-23	rnd 3	type Standard	result 1	date 2024-05-11	rnd 1	type Rapid	result 1
		Opponent Roberts, E (Ethan)				Opponent Nortje, M (Melvinia)
3	1	Tournament Western Cape Women�s Championship 2025				Tournament Western Cape Women�s Championship 2025
		date 2025-08-10	rnd 6	type Standard	result 1	date 2025-08-10	rnd 6	type Standard	result 1
		Opponent Koopman, M (Maronashia)				Opponent Koopman, M (Maronashia)

#	Games	Start				End
1	2	Tournament Ceres Open 2022				Tournament Ceres Open 2022
		date 2022-04-23	rnd 3	type Standard	result 1	date 2022-04-23	rnd 4	type Standard	result 1
		Opponent Roberts, E (Ethan)				Opponent Eksteen, S (Stefan)
2	1	Tournament Western Cape Women�s Championship 2025				Tournament Western Cape Women�s Championship 2025
		date 2025-08-10	rnd 6	type Standard	result 1	date 2025-08-10	rnd 6	type Standard	result 1
		Opponent Koopman, M (Maronashia)				Opponent Koopman, M (Maronashia)
3	1	Tournament Western Cape Women�s Championship 2025				Tournament Western Cape Women�s Championship 2025
		date 2025-08-09	rnd 3	type Standard	result 1	date 2025-08-09	rnd 3	type Standard	result 1
		Opponent Tsiloane, S (Sabata)				Opponent Tsiloane, S (Sabata)

#	Games	Start				End
1	3	Tournament Robertson Strategema Chess May 2024				Tournament Robertson Strategema Chess May 2024
		date 2024-05-11	rnd 3	type Rapid	result 1	date 2024-05-11	rnd 5	type Rapid	result 1
		Opponent Faro, H (Henson)				Opponent Booysen, J (Jakob)
2	1	Tournament Worcester Knock-Out 2024				Tournament Worcester Knock-Out 2024
		date 2024-10-19	rnd 6	type Rapid	result 1	date 2024-10-19	rnd 6	type Rapid	result 1
		Opponent Gordon, S (Savian)				Opponent Gordon, S (Savian)
3	1	Tournament Worcester Knock-Out 2024				Tournament Worcester Knock-Out 2024
		date 2024-10-19	rnd 3	type Rapid	result 1	date 2024-10-19	rnd 3	type Rapid	result 1
		Opponent Otto, C (Christiaan)				Opponent Otto, C (Christiaan)

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	Esterhuizen ,E (Emile)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Esterhuizen ,E (Emile)	2	1208.2	783.2	1	1200	783.2	1	1200	783.2	0	0	0
2	Topp ,K (Kelvin)	2	1	0	0	0	0	2	1	0	0	0	0
2	Topp ,K (Kelvin)	2	1076.9	1076.9	0	0	0	2	1129.8	1076.9	0	0	0
3	De Bruin ,M (Mario-John)	1	1	425	1	1	425	0	0	0	0	0	0
3	De Bruin ,M (Mario-John)	1	1179.4	1604.4	1	1200	1604.4	0	0	0	0	0	0
4	Cilliers ,D (Dene)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Cilliers ,D (Dene)	1	1613.3	1188.3	1	1603.1	1188.3	0	0	0	0	0	0
5	Kruse ,M (Michael)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Kruse ,M (Michael)	1	1605.7	1180.7	1	1526.6	1180.7	0	0	0	0	0	0
6	Blaauws ,J (Joshua)	1	1	425	1	1	425	0	0	0	0	0	0
6	Blaauws ,J (Joshua)	1	1243.5	1668.5	1	1194	1668.5	0	0	0	0	0	0
7	Labuschagne ,J (Juandre)	1	1	425	1	1	425	0	0	0	0	0	0
7	Labuschagne ,J (Juandre)	1	1167.6	1592.6	1	1200	1592.6	0	0	0	0	0	0
8	Roberts ,E (Ethan)	1	1	425	1	1	425	0	0	0	0	0	0
8	Roberts ,E (Ethan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	White ,J (Jonovan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	White ,J (Jonovan)	1	1394.4	969.4	1	1361.4	969.4	0	0	0	0	0	0
10	Tsiloane ,S (Sabata)	1	1	425	1	1	425	0	0	0	0	0	0
10	Tsiloane ,S (Sabata)	1	1095.4	1520.4	1	1092	1520.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Weimers, J (Jemal)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms