Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Merwe, W (Wikus)

Chess SA id

1140148650

FIDE id

Date of birth

2014-10-30 (U12)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1144.5	1138.4	1200	1200
Raw rating	1144.5	1138.4	1200	1200
Weighted rating	1133.1	1122.7	1200	1200
Weighted performance	909.4	910.3	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	179.4	181	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1144.5	1138.4	1200	1200
Analysis
Rating	1144.5	1138.4	1200	1200
Raw rating	1144.5	1138.4	1200	1200
Weighted rating	1133.1	1122.7	1200
Weighted performance	909.4	910.3	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	179.4	181	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	1144.5	1138.4	1200	1200
New weighted rating	1134	1123.9	1200	1200
New weighted performance	902.9	903.8	0	0
Temp new rating	1144.5	1138.4	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1144.5	1138.4	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	5	5
	5	5
	13	13
	0	0
	0	0
History	23	23

Games since
	Main 10	Standard 10		Rapid 0		Blitz 0
Gender	Male
Age group	U12
Region	Sedibeng (GSV)
Province	Gauteng (GT)
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	2	40	-85	1297.4	1212.4
Standard	5	2	40	-85	1297.4	1212.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	23	8.5	36.96	-110.9	1213.6	1102.7
Standard	23	8.5	36.96	-110.9	1213.6	1102.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1144.5	1138.4	1200	1200
2025-09-30	1144.5	1138.4	1200	1200
2025-09-01	1144.5	1138.4	1200	1200
2025-08-01	1132.9	1121.5	1200	1200
2025-07-01	1132.9	1121.5	1200	1200
2025-06-01	1132.9	1121.5	1200	1200
2025-05-01	1132.9	1121.5	1200	1200
2025-04-01	1132.9	1121.5	1200	1200
2025-03-01	1132.9	1121.5	1200	1200
2025-02-01	1132.9	1121.5	1200	1200
2025-01-01	1123.3	1110.8	1200	1200
2024-12-01	1123.3	1110.8	1200	1200
2024-11-01	1123.3	1110.8	1200	1200
2024-10-01	1123.3	1110.8	1200	1200
2024-09-01	1123.3	1110.8	1200	1200
2024-08-01	1123.3	1110.8	1200	1200
2024-07-01	1123.3	1110.8	1200	1200
2024-09-01	1123.3	1110.8	1200	1200
2024-05-01	1123.3	1110.8	1200	1200
2024-04-01	1123.3	1110.8	1200	1200
2024-03-01	1149.9	1140.4	1200	1200
2024-02-01	1149.9	1140.4	1200	1200
2024-01-01	1149.9	1140.4	1200	1200
2023-12-01	1149.9	1140.4	1200	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	GDE (D7) Sedibeng East Schools 2025 (U9+U11)	2025-08-02	2025-08-02	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	GDE (D7) Sedibeng East Schools 2025 (U9+U11)	2025-08-02	2025-08-02	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
2	Laerskool Midvaal Chess Open Section 2024 (E)	2024-02-10	2024-02-10	Standard	Sedibeng (GSV)	5	5	1.5	Yes	Analysis
3	2023 Gauteng Top Schools (U9 Mixed)	2023-08-18	2023-08-18	Standard	West Rand (GWR)	5	4	1	Yes	Analysis
4	Gauteng D7 Teams 2023 (U9)	2023-08-12	2023-08-12	Standard	Sedibeng (GSV)	5	4	2	Yes	Analysis
5	Laerkool Midvaal Chess Open 2023 (E)	2023-01-28	2023-01-28	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Laerskool Midvaal Chess Open Section 2024				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2024-02-10	rnd 5	type Standard	result 0.5	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Nieuwenhuis, A (Anthony)				Opponent Mehlomakulu, Y (Yanga Hope)
2	1	Tournament GDE (D7) Sedibeng East Schools 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Gouws, J (Jesse Elijah Caleb)				Opponent Gouws, J (Jesse Elijah Caleb)
3	1	Tournament Laerskool Midvaal Chess Open Section 2024				Tournament Laerskool Midvaal Chess Open Section 2024
		date 2024-02-10	rnd 1	type Standard	result 1	date 2024-02-10	rnd 1	type Standard	result 1
		Opponent Madibana, M (Mohau)				Opponent Madibana, M (Mohau)

#	Games	Start				End
1	2	Tournament Laerskool Midvaal Chess Open Section 2024				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2024-02-10	rnd 5	type Standard	result 0.5	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Nieuwenhuis, A (Anthony)				Opponent Mehlomakulu, Y (Yanga Hope)
2	1	Tournament GDE (D7) Sedibeng East Schools 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Gouws, J (Jesse Elijah Caleb)				Opponent Gouws, J (Jesse Elijah Caleb)
3	1	Tournament Laerskool Midvaal Chess Open Section 2024				Tournament Laerskool Midvaal Chess Open Section 2024
		date 2024-02-10	rnd 1	type Standard	result 1	date 2024-02-10	rnd 1	type Standard	result 1
		Opponent Madibana, M (Mohau)				Opponent Madibana, M (Mohau)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament GDE (D7) Sedibeng East Schools 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Gouws, J (Jesse Elijah Caleb)				Opponent Gouws, J (Jesse Elijah Caleb)
2	1	Tournament GDE (D7) Sedibeng East Schools 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Mehlomakulu, Y (Yanga Hope)				Opponent Mehlomakulu, Y (Yanga Hope)
3	1	Tournament Laerskool Midvaal Chess Open Section 2024				Tournament Laerskool Midvaal Chess Open Section 2024
		date 2024-02-10	rnd 1	type Standard	result 1	date 2024-02-10	rnd 1	type Standard	result 1
		Opponent Madibana, M (Mohau)				Opponent Madibana, M (Mohau)

#	Games	Start				End
1	1	Tournament GDE (D7) Sedibeng East Schools 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Gouws, J (Jesse Elijah Caleb)				Opponent Gouws, J (Jesse Elijah Caleb)
2	1	Tournament GDE (D7) Sedibeng East Schools 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Mehlomakulu, Y (Yanga Hope)				Opponent Mehlomakulu, Y (Yanga Hope)
3	1	Tournament Laerskool Midvaal Chess Open Section 2024				Tournament Laerskool Midvaal Chess Open Section 2024
		date 2024-02-10	rnd 1	type Standard	result 1	date 2024-02-10	rnd 1	type Standard	result 1
		Opponent Madibana, M (Mohau)				Opponent Madibana, M (Mohau)

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	Gorrie ,K (Kayvian)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Gorrie ,K (Kayvian)	2	1172.8	747.8	2	1168.3	747.8	0	0	0	0	0	0
2	Gouws ,J (Jesse Elijah Caleb)	1	1	425	1	1	425	0	0	0	0	0	0
2	Gouws ,J (Jesse Elijah Caleb)	1	1189.7	1614.7	1	1188	1614.7	0	0	0	0	0	0
3	Singwane ,I (Inathi Siyabonga)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Singwane ,I (Inathi Siyabonga)	1	1216.5	791.5	1	1218.3	791.5	0	0	0	0	0	0
4	Magagula ,T (Thandolwethu)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Magagula ,T (Thandolwethu)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Malangabi ,T (Tlhonolofatso Brian)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Malangabi ,T (Tlhonolofatso Brian)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Mehlomakulu ,Y (Yanga Hope)	1	1	425	1	1	425	0	0	0	0	0	0
6	Mehlomakulu ,Y (Yanga Hope)	1	1199	1624	1	1199.3	1624	0	0	0	0	0	0
7	Geyer ,L (Lourens)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Geyer ,L (Lourens)	1	1205.6	780.6	1	1207.6	780.6	0	0	0	0	0	0
8	Nieuwenhuis ,A (Anthony)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Nieuwenhuis ,A (Anthony)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
9	Ambachesheer ,J (Jeremy)	1	1	425	1	1	425	0	0	0	0	0	0
9	Ambachesheer ,J (Jeremy)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Brancato ,S (Sebastian)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Brancato ,S (Sebastian)	1	1544.7	1119.7	1	1542	1119.7	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, W (Wikus)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms