Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Merwe, W (Wouter)

Chess SA id

1120140238

FIDE id

Date of birth

2012-06-05 (U14)

Gender

Male

Region

West Rand (GWR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1292.9	1306.7	1200	1200
Raw rating	1292.9	1306.7	1200	1200
Weighted rating	1273.4	1284.6	1200	1200
Weighted performance	1143.9	1142.3	0	0
Floor	792.9	806.7	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	145.3	142.4	165.8	165.8
Highest rating	1292.9 2025-06-01	1306.7 2025-06-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1292.9 2025-06-01	1306.7 2025-06-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1268.8 2025-08-01	1279.4 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1289.3 2022-05-01	1303.7 2022-05-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1292.9	1306.7	1200	1200
Analysis
Rating	1292.9	1306.7	1200	1200
Raw rating	1292.9	1306.7	1200	1200
Weighted rating	1273.4	1284.6	1200
Weighted performance	1143.9	1142.3	0
K-factor	36	36	36	36
Floor	792.9	806.7	700	700
Max/Min rating change allowed	145.3	142.4	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	1292.9	1306.7	1200	1200
New weighted rating	1275.5	1286.9	1200	1200
New weighted performance	1143.4	1141.8	0	0
Temp new rating	1292.9	1306.7	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1292.9	1306.7	1200	1200
New K-factor	36	36	36	36
New floor	792.9	806.7	700	700

Item	Main	Standard
	0	0
	5	5
	10	10
	9	9
	5	5
	0	0
History	29	29

Games since
	Main 15	Standard 15		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	West Rand (GWR)
Province	Gauteng (GT)
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	5	4	80	255	1195.2	1450.2
Standard	5	4	80	255	1195.2	1450.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	29	18	62.07	102.6	1222.4	1324.9
Standard	29	18	62.07	102.6	1222.4	1324.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1292.9	1306.7	1200	1200
2025-09-01	1292.9	1306.7	1200	1200
2025-08-01	1292.9	1306.7	1200	1200
2025-07-01	1292.9	1306.7	1200	1200
2025-06-01	1292.9	1306.7	1200	1200
2025-05-01	1260.7	1270.4	1200	1200
2025-04-01	1260.3	1270.1	1200	1200
2025-03-01	1259.8	1269.6	1200	1200
2025-02-01	1259	1268.5	1200	1200
2025-01-01	1255.3	1260.5	1200	1200
2024-12-01	1255.3	1260.5	1200	1200
2024-11-01	1255.3	1260.5	1200	1200
2024-10-01	1255.3	1260.5	1200	1200
2024-09-01	1287	1301.9	1200	1200
2024-08-01	1287	1301.9	1200	1200
2024-07-01	1287	1301.9	1200	1200
2024-06-01	1287	1301.9	1200	1200
2024-08-01	1247.3	1257.6	1200	1200
2024-04-01	1247.3	1257.6	1200	1200
2024-03-01	1247.3	1257.6	1200	1200
2024-02-01	1247.3	1257.6	1200	1200
2024-01-01	1247.3	1257.6	1200	1200
2023-12-01	1247.3	1257.6	1200	1200
2023-11-01	1247.3	1257.6	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	2025 D2 Schools Individuals (U13 Open)	2025-05-09	2025-05-09	Standard	West Rand (GWR)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 D2 Schools Individuals (U13 Open)	2025-05-09	2025-05-09	Standard	West Rand (GWR)	5	5	4	Yes	Analysis
2	Gauteng Schools Individuals Finals 2024 (U13 Boys)	2024-08-16	2024-08-16	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
3	2024 D2 Schools Individuals (U13 Boys)	2024-05-04	2024-05-04	Standard	West Rand (GWR)	5	5	4	Yes	Analysis
4	D2 School League Finals 2023 (U11)	2023-07-22	2023-07-22	Standard	West Rand (GWR)	5	4	2	Yes	Analysis
5	D2 Schools Individuals 2023 (U11 Boys)	2023-05-13	2023-05-13	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
6	D2 Schools Individuals 2022 (U11 Boys)	2022-05-07	2022-05-07	Standard	West Rand (GWR)	5	5	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament 2025 D2 Schools Individuals				Tournament 2025 D2 Schools Individuals
		date 2025-05-09	rnd 2	type Standard	result 1	date 2025-05-09	rnd 5	type Standard	result 1
		Opponent Klopper, J (Jannes)				Opponent Motsau, K (Kagiso)
2	4	Tournament 2024 D2 Schools Individuals				Tournament 2024 D2 Schools Individuals
		date 2024-05-04	rnd 2	type Standard	result 1	date 2024-05-04	rnd 5	type Standard	result 1
		Opponent Fisher, J (Jeriah)				Opponent Lekwape, R (Retshidisitswe)
3	3	Tournament D2 Schools Individuals 2022				Tournament D2 Schools Individuals 2023
		date 2022-05-07	rnd 4	type Standard	result 1	date 2023-05-13	rnd 1	type Standard	result 1
		Opponent Human, H (Hanno)				Opponent Mokhachane, K (Koketso)

#	Games	Start				End
1	4	Tournament 2025 D2 Schools Individuals				Tournament 2025 D2 Schools Individuals
		date 2025-05-09	rnd 2	type Standard	result 1	date 2025-05-09	rnd 5	type Standard	result 1
		Opponent Klopper, J (Jannes)				Opponent Motsau, K (Kagiso)
2	4	Tournament 2024 D2 Schools Individuals				Tournament 2024 D2 Schools Individuals
		date 2024-05-04	rnd 2	type Standard	result 1	date 2024-05-04	rnd 5	type Standard	result 1
		Opponent Fisher, J (Jeriah)				Opponent Lekwape, R (Retshidisitswe)
3	3	Tournament D2 Schools Individuals 2022				Tournament D2 Schools Individuals 2023
		date 2022-05-07	rnd 4	type Standard	result 1	date 2023-05-13	rnd 1	type Standard	result 1
		Opponent Human, H (Hanno)				Opponent Mokhachane, K (Koketso)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament 2025 D2 Schools Individuals				Tournament 2025 D2 Schools Individuals
		date 2025-05-09	rnd 2	type Standard	result 1	date 2025-05-09	rnd 5	type Standard	result 1
		Opponent Klopper, J (Jannes)				Opponent Motsau, K (Kagiso)
2	4	Tournament 2024 D2 Schools Individuals				Tournament 2024 D2 Schools Individuals
		date 2024-05-04	rnd 2	type Standard	result 1	date 2024-05-04	rnd 5	type Standard	result 1
		Opponent Fisher, J (Jeriah)				Opponent Lekwape, R (Retshidisitswe)
3	3	Tournament D2 Schools Individuals 2022				Tournament D2 Schools Individuals 2023
		date 2022-05-07	rnd 4	type Standard	result 1	date 2023-05-13	rnd 1	type Standard	result 1
		Opponent Human, H (Hanno)				Opponent Mokhachane, K (Koketso)

#	Games	Start				End
1	4	Tournament 2025 D2 Schools Individuals				Tournament 2025 D2 Schools Individuals
		date 2025-05-09	rnd 2	type Standard	result 1	date 2025-05-09	rnd 5	type Standard	result 1
		Opponent Klopper, J (Jannes)				Opponent Motsau, K (Kagiso)
2	4	Tournament 2024 D2 Schools Individuals				Tournament 2024 D2 Schools Individuals
		date 2024-05-04	rnd 2	type Standard	result 1	date 2024-05-04	rnd 5	type Standard	result 1
		Opponent Fisher, J (Jeriah)				Opponent Lekwape, R (Retshidisitswe)
3	3	Tournament D2 Schools Individuals 2022				Tournament D2 Schools Individuals 2023
		date 2022-05-07	rnd 4	type Standard	result 1	date 2023-05-13	rnd 1	type Standard	result 1
		Opponent Human, H (Hanno)				Opponent Mokhachane, K (Koketso)

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	Lekwape ,R (Retshidisitswe)	2	1	0	2	1	0	0	0	0	0	0	0
1	Lekwape ,R (Retshidisitswe)	2	1399.1	1399.1	2	1383.2	1399.1	0	0	0	0	0	0
2	Elephant ,O (Opelong)	1	1	425	1	1	425	0	0	0	0	0	0
2	Elephant ,O (Opelong)	1	1143.3	1568.3	1	1132.7	1568.3	0	0	0	0	0	0
3	Makokoe ,B (Boitumelo)	1	1	425	1	1	425	0	0	0	0	0	0
3	Makokoe ,B (Boitumelo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Esterhuizen ,Z (Zane)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Esterhuizen ,Z (Zane)	1	1258.5	833.5	1	1261	833.5	0	0	0	0	0	0
5	Mokhachane ,K (Koketso)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mokhachane ,K (Koketso)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Sardinha ,D (Danilo Leandro)	1	1	425	1	1	425	0	0	0	0	0	0
6	Sardinha ,D (Danilo Leandro)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Jonker ,R (Reagan)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Jonker ,R (Reagan)	1	1134.8	709.8	1	1200	709.8	0	0	0	0	0	0
8	Magagula ,N (Nkosingiphile)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Magagula ,N (Nkosingiphile)	1	1394.5	969.5	1	1383.6	969.5	0	0	0	0	0	0
9	Ejimandu ,O (Odumegwu)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Ejimandu ,O (Odumegwu)	1	1228.2	803.2	1	1233.2	803.2	0	0	0	0	0	0
10	Human ,H (Hanno)	1	1	425	1	1	425	0	0	0	0	0	0
10	Human ,H (Hanno)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Van Der Merwe, W (Wouter)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms