Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Merwe, J (Jared)

Chess SA id

1150153950

FIDE id

Date of birth

2015-03-05 (U12)

Gender

Male

Region

Lejweleputswa (FLW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-11-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1352.8	1352.4	1200	1200
Raw rating	1352.8	1352.4	1200	1200
Weighted rating	1347.7	1348.9	1200	1200
Weighted performance	1162.4	1164.3	0	0
Floor	882.7	883	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	133.4	133.5	165.8	165.8
Highest rating	1397.7 2024-09-01	1398 2024-09-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1382.7 2024-10-01	1383 2024-10-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1331.7 2025-08-01	1334.7 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1397.7 2024-09-01	1398 2024-09-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1352.8	1352.4	1200	1200
Analysis
Rating	1352.8	1352.4	1200	1200
Raw rating	1352.8	1352.4	1200	1200
Weighted rating	1347.7	1348.9	1200
Weighted performance	1162.4	1164.3	0
K-factor	36	36	36	36
Floor	882.7	883	700	700
Max/Min rating change allowed	133.4	133.5	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	1352.8	1352.4	1200	1200
New weighted rating	1349.6	1350.5	1200	1200
New weighted performance	1153.8	1155.7	0	0
Temp new rating	1352.8	1352.4	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1352.8	1352.4	1200	1200
New K-factor	36	36	36	36
New floor	882.7	883	700	700

Item	Main	Standard
	0	0
	5	5
	22	22
	9	9
	0	0
	0	0
History	36	36

Games since
	Main 27	Standard 27		Rapid 0		Blitz 0
Gender	Male
Age group	U12
Region	Lejweleputswa (FLW)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	5	1.5	30	-170	1298.3	1128.3
Standard	5	1.5	30	-170	1298.3	1128.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	36	23	63.89	118.1	1243.4	1361.4
Standard	36	23	63.89	118.1	1243.4	1361.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1352.8	1352.4	1200	1200
2025-11-30	1352.8	1352.4	1200	1200
2025-11-01	1352.8	1352.4	1200	1200
2025-09-30	1352.8	1352.4	1200	1200
2025-09-01	1352.8	1352.4	1200	1200
2025-08-01	1352.8	1352.4	1200	1200
2025-07-01	1352.8	1352.4	1200	1200
2025-06-01	1352.8	1352.4	1200	1200
2025-05-01	1352.8	1352.4	1200	1200
2025-04-01	1352.8	1352.4	1200	1200
2025-03-01	1352.8	1352.4	1200	1200
2025-02-01	1352.8	1352.4	1200	1200
2025-01-01	1352.8	1352.4	1200	1200
2024-12-01	1382.7	1383	1200	1200
2024-11-01	1382.7	1383	1200	1200
2024-10-01	1382.7	1383	1200	1200
2024-09-01	1297.1	1311.5	1200	1200
2024-11-01	1297.1	1311.5	1200	1200
2024-07-01	1297.1	1311.5	1200	1200
2024-06-01	1297.1	1311.5	1200	1200
2024-05-01	1296.8	1314.4	1200	1200
2024-04-01	1224.5	1228.4	1200	1200
2024-03-01	1224.5	1228.4	1200	1200
2024-02-01	1224.5	1228.4	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	Lejweleputswa Chess Swiss Open Tournament 2025 (B)	2025-11-01	2025-11-01	Standard	Lejweleputswa (FLW)	5	5	1.5	Yes	Analysis
2	Mzansi Interprovincial Youth Chess Championships 2024 (U10 Open Championship)	2024-12-16	2024-12-19	Standard	Capricorn (LCP)	7	7	3	Yes	Analysis
3	Lejweleputswa Closed Chess Championships 2024 (U10)	2024-09-21	2024-09-21	Standard	Lejweleputswa (FLW)	5	5	5	Yes	Analysis
4	Lejweleputswa 4th Qualifying Tournament 2024 (U12)	2024-05-11	2024-05-11	Standard	Lejweleputswa (FLW)	5	5	3	Yes	Analysis
5	Lejweleputswa 3rd Qualifieng Tournament 2024 (U10)	2024-04-20	2024-04-20	Standard	Lejweleputswa (FLW)	5	5	5	Yes	Analysis
6	Lejweleputswa 4th Qualifying Tournament 2023 (U10)	2023-05-26	2023-05-26	Standard	Lejweleputswa (FLW)	5	4	2	Yes	Analysis
7	Lejweleputswa 3rd Qualifieng Tournament 2023 (E)	2023-04-21	2023-04-21	Standard	Lejweleputswa (FLW)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	8	Tournament Lejweleputswa 4th Qualifying Tournament 2024				Tournament Mzansi Interprovincial Youth Chess Championships 2024
		date 2024-05-11	rnd 4	type Standard	result 1	date 2024-12-16	rnd 1	type Standard	result 1
		Opponent Botipe, B (Bokang)				Opponent Mariappen, E (Ethan)
2	6	Tournament Lejweleputswa 3rd Qualifieng Tournament 2024				Tournament Lejweleputswa 4th Qualifying Tournament 2024
		date 2024-04-20	rnd 1	type Standard	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent Montsho, G (Gomolemo)				Opponent Kalake, N (Neo)
3	4	Tournament Lejweleputswa 3rd Qualifieng Tournament 2023				Tournament Lejweleputswa 3rd Qualifieng Tournament 2023
		date 2023-04-21	rnd 1	type Standard	result 1	date 2023-04-21	rnd 4	type Standard	result 0.5
		Opponent Fourie, C (Caitlyn)				Opponent Mokhathi, O (Oratile)

#	Games	Start				End
1	8	Tournament Lejweleputswa 4th Qualifying Tournament 2024				Tournament Mzansi Interprovincial Youth Chess Championships 2024
		date 2024-05-11	rnd 4	type Standard	result 1	date 2024-12-16	rnd 1	type Standard	result 1
		Opponent Botipe, B (Bokang)				Opponent Mariappen, E (Ethan)
2	6	Tournament Lejweleputswa 3rd Qualifieng Tournament 2024				Tournament Lejweleputswa 4th Qualifying Tournament 2024
		date 2024-04-20	rnd 1	type Standard	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent Montsho, G (Gomolemo)				Opponent Kalake, N (Neo)
3	4	Tournament Lejweleputswa 3rd Qualifieng Tournament 2023				Tournament Lejweleputswa 3rd Qualifieng Tournament 2023
		date 2023-04-21	rnd 1	type Standard	result 1	date 2023-04-21	rnd 4	type Standard	result 0.5
		Opponent Fourie, C (Caitlyn)				Opponent Mokhathi, O (Oratile)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament Lejweleputswa 4th Qualifying Tournament 2024				Tournament Mzansi Interprovincial Youth Chess Championships 2024
		date 2024-05-11	rnd 4	type Standard	result 1	date 2024-12-16	rnd 1	type Standard	result 1
		Opponent Botipe, B (Bokang)				Opponent Mariappen, E (Ethan)
2	6	Tournament Lejweleputswa 3rd Qualifieng Tournament 2024				Tournament Lejweleputswa 4th Qualifying Tournament 2024
		date 2024-04-20	rnd 1	type Standard	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent Montsho, G (Gomolemo)				Opponent Kalake, N (Neo)
3	3	Tournament Lejweleputswa 3rd Qualifieng Tournament 2023				Tournament Lejweleputswa 3rd Qualifieng Tournament 2023
		date 2023-04-21	rnd 1	type Standard	result 1	date 2023-04-21	rnd 3	type Standard	result 1
		Opponent Fourie, C (Caitlyn)				Opponent Du Plessis, J (Johandre Jan-Phillip)

#	Games	Start				End
1	8	Tournament Lejweleputswa 4th Qualifying Tournament 2024				Tournament Mzansi Interprovincial Youth Chess Championships 2024
		date 2024-05-11	rnd 4	type Standard	result 1	date 2024-12-16	rnd 1	type Standard	result 1
		Opponent Botipe, B (Bokang)				Opponent Mariappen, E (Ethan)
2	6	Tournament Lejweleputswa 3rd Qualifieng Tournament 2024				Tournament Lejweleputswa 4th Qualifying Tournament 2024
		date 2024-04-20	rnd 1	type Standard	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent Montsho, G (Gomolemo)				Opponent Kalake, N (Neo)
3	3	Tournament Lejweleputswa 3rd Qualifieng Tournament 2023				Tournament Lejweleputswa 3rd Qualifieng Tournament 2023
		date 2023-04-21	rnd 1	type Standard	result 1	date 2023-04-21	rnd 3	type Standard	result 1
		Opponent Fourie, C (Caitlyn)				Opponent Du Plessis, J (Johandre Jan-Phillip)

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	Botipe ,B (Bokang)	3	3	425	3	3	425	0	0	0	0	0	0
1	Botipe ,B (Bokang)	3	1205.3	1630.3	3	1206	1630.3	0	0	0	0	0	0
2	Du Plessis ,J (Johandre Jan-Phillip)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
2	Du Plessis ,J (Johandre Jan-Phillip)	3	1267.2	1408.8	3	1276.4	1408.8	0	0	0	0	0	0
3	Smith ,E (Eugene)	2	2	425	2	2	425	0	0	0	0	0	0
3	Smith ,E (Eugene)	2	1221.7	1646.7	2	1225.8	1646.7	0	0	0	0	0	0
4	Montsho ,G (Gomolemo)	2	2	425	2	2	425	0	0	0	0	0	0
4	Montsho ,G (Gomolemo)	2	1217.3	1642.3	2	1220.6	1642.3	0	0	0	0	0	0
5	Van Der Merwe ,O (Oliver)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Van Der Merwe ,O (Oliver)	1	1545.8	1120.8	1	1564.1	1120.8	0	0	0	0	0	0
6	Hensby ,Z (Zalika)	1	1	425	1	1	425	0	0	0	0	0	0
6	Hensby ,Z (Zalika)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Ravhura ,L (Lufuno)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Ravhura ,L (Lufuno)	1	1181.9	756.9	1	1178.4	756.9	0	0	0	0	0	0
8	Du Preez ,H (Hannes)	1	1	425	1	1	425	0	0	0	0	0	0
8	Du Preez ,H (Hannes)	1	1171	1596	1	1165.4	1596	0	0	0	0	0	0
9	Kleynhans ,M (Magnus)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Kleynhans ,M (Magnus)	1	1543.6	1118.6	1	1536.3	1118.6	0	0	0	0	0	0
10	Moshodi ,R (Rethabile)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Moshodi ,R (Rethabile)	1	1324.3	899.3	1	1332.9	899.3	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

Van Der Merwe, J (Jared)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms