Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Merwe, R (Ruben)

Chess SA id

1160143668

FIDE id

Date of birth

2016-12-02 (U10)

Gender

Male

Region

Sarah Baartman (ESB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-03-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1131.3	1122.6	1200	1200
Raw rating	1131.3	1122.6	1200	1200
Weighted rating	1129.5	1121	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	182.9	185.1	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 2024-02-01	1200 2024-02-01
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 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1131.3	1122.6	1200	1200
Analysis
Rating	1131.3	1122.6	1200	1200
Raw rating	1131.3	1122.6	1200	1200
Weighted rating	1129.5	1121	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	182.9	185.1	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	1131.3	1122.6	1200	1200
New weighted rating	1129.6	1121	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1131.3	1122.6	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1131.3	1122.6	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	10	10
	0	0
	6	6
	0	0
History	16	16

Games since
	Main 10	Standard 10		Rapid 0		Blitz 0
Gender	Male
Age group	U10
Region	Sarah Baartman (ESB)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	16	5	31.25	-159.4	1200.3	1041
Standard	16	5	31.25	-159.4	1200.3	1041
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1131.3	1122.6	1200	1200
2025-09-30	1131.3	1122.6	1200	1200
2025-09-01	1131.3	1122.6	1200	1200
2025-08-01	1131.3	1122.6	1200	1200
2025-07-01	1131.3	1122.6	1200	1200
2025-06-01	1131.3	1122.6	1200	1200
2025-05-01	1131.3	1122.6	1200	1200
2025-04-01	1131.3	1122.6	1200	1200
2025-03-01	1131.3	1122.6	1200	1200
2025-02-01	1131.3	1122.6	1200	1200
2025-01-01	1124.7	1116.8	1200	1200
2024-12-01	1124.7	1116.8	1200	1200
2024-11-01	1124.7	1116.8	1200	1200
2024-10-01	1124.7	1116.8	1200	1200
2024-09-01	1124.7	1116.8	1200	1200
2024-08-01	1124.7	1116.8	1200	1200
2024-07-01	1124.7	1116.8	1200	1200
2024-09-01	1124.7	1116.8	1200	1200
2024-05-01	1124.7	1116.8	1200	1200
2024-04-01	1124.7	1116.8	1200	1200
2024-03-01	1124.7	1111.6	1200	1200
2024-02-01	1150.2	1140	1200	1200
2024-01-01	1150.2	1140	1200	1200
2023-12-01	1150.2	1140	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	Kouga Mayor's Cup 2024 (U9)	2024-03-09	2024-03-09	Standard	Sarah Baartman (ESB)	6	5	2	Yes	Analysis
2	SBDCU Trial 1 2024 (U10)	2024-02-24	2024-02-24	Standard	Sarah Baartman (ESB)	6	5	1.5	Yes	Analysis
3	SBDCU Trials 2022 (U8)	2022-06-25	2022-06-25	Standard	Sarah Baartman (ESB)	6	6	1.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament SBDCU Trials 2022				Tournament SBDCU Trial 1 2024
		date 2022-06-25	rnd 4	type Standard	result 0.5	date 2024-02-24	rnd 2	type Standard	result 1
		Opponent Combrinck, J (James Orion)				Opponent Jonker, L (Liam)
2	2	Tournament Kouga Mayor's Cup 2024				Tournament Kouga Mayor's Cup 2024
		date 2024-03-09	rnd 2	type Standard	result 1	date 2024-03-09	rnd 3	type Standard	result 1
		Opponent Nyabeni, L (Liyonela)				Opponent Ludidi, A (Ayolise)
3	1	Tournament SBDCU Trial 1 2024				Tournament SBDCU Trial 1 2024
		date 2024-02-24	rnd 5	type Standard	result 0.5	date 2024-02-24	rnd 5	type Standard	result 0.5
		Opponent Du Plessis, A (Adrian)				Opponent Du Plessis, A (Adrian)

#	Games	Start				End
1	4	Tournament SBDCU Trials 2022				Tournament SBDCU Trial 1 2024
		date 2022-06-25	rnd 4	type Standard	result 0.5	date 2024-02-24	rnd 2	type Standard	result 1
		Opponent Combrinck, J (James Orion)				Opponent Jonker, L (Liam)
2	2	Tournament Kouga Mayor's Cup 2024				Tournament Kouga Mayor's Cup 2024
		date 2024-03-09	rnd 2	type Standard	result 1	date 2024-03-09	rnd 3	type Standard	result 1
		Opponent Nyabeni, L (Liyonela)				Opponent Ludidi, A (Ayolise)
3	1	Tournament SBDCU Trial 1 2024				Tournament SBDCU Trial 1 2024
		date 2024-02-24	rnd 5	type Standard	result 0.5	date 2024-02-24	rnd 5	type Standard	result 0.5
		Opponent Du Plessis, A (Adrian)				Opponent Du Plessis, A (Adrian)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Kouga Mayor's Cup 2024				Tournament Kouga Mayor's Cup 2024
		date 2024-03-09	rnd 2	type Standard	result 1	date 2024-03-09	rnd 3	type Standard	result 1
		Opponent Nyabeni, L (Liyonela)				Opponent Ludidi, A (Ayolise)
2	1	Tournament SBDCU Trial 1 2024				Tournament SBDCU Trial 1 2024
		date 2024-02-24	rnd 2	type Standard	result 1	date 2024-02-24	rnd 2	type Standard	result 1
		Opponent Jonker, L (Liam)				Opponent Jonker, L (Liam)

#	Games	Start				End
1	2	Tournament Kouga Mayor's Cup 2024				Tournament Kouga Mayor's Cup 2024
		date 2024-03-09	rnd 2	type Standard	result 1	date 2024-03-09	rnd 3	type Standard	result 1
		Opponent Nyabeni, L (Liyonela)				Opponent Ludidi, A (Ayolise)
2	1	Tournament SBDCU Trial 1 2024				Tournament SBDCU Trial 1 2024
		date 2024-02-24	rnd 2	type Standard	result 1	date 2024-02-24	rnd 2	type Standard	result 1
		Opponent Jonker, L (Liam)				Opponent Jonker, L (Liam)

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	Kettledas ,JF (Jerrin Fagan)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
1	Kettledas ,JF (Jerrin Fagan)	3	1170.7	887.3	3	1171.6	887.3	0	0	0	0	0	0
2	Combrinck ,J (James Orion)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
2	Combrinck ,J (James Orion)	2	1200	987.5	2	1200	987.5	0	0	0	0	0	0
3	Joubert ,J (Jacob Thomas)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
3	Joubert ,J (Jacob Thomas)	2	1200	987.5	2	1200	987.5	0	0	0	0	0	0
4	Duvenage ,B (Bendre)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Duvenage ,B (Bendre)	1	1328.4	903.4	1	1351.4	903.4	0	0	0	0	0	0
5	Prinsloo ,D (Dawid)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Prinsloo ,D (Dawid)	1	1100.9	675.9	1	1120.4	675.9	0	0	0	0	0	0
6	Marais ,R (Raudin)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Marais ,R (Raudin)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Mfabana ,A (Alunamda)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mfabana ,A (Alunamda)	1	1301.6	876.6	1	1312	876.6	0	0	0	0	0	0
8	Ludidi ,A (Ayolise)	1	1	425	1	1	425	0	0	0	0	0	0
8	Ludidi ,A (Ayolise)	1	1162.7	1587.7	1	1157.6	1587.7	0	0	0	0	0	0
9	Du Plessis ,A (Adrian)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Du Plessis ,A (Adrian)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
10	Nyabeni ,L (Liyonela)	1	1	425	1	1	425	0	0	0	0	0	0
10	Nyabeni ,L (Liyonela)	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

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Van Der Merwe, R (Ruben)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms