Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Westhuizen, R (Ruan)

Chess SA id

1100110077

FIDE id

Date of birth

2010-02-25 (U16)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-02-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1190.7	1189.6	1200	1200
Raw rating	1190.7	1189.6	1200	1200
Weighted rating	1190.7	1189.6	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	168	168.3	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 2018-02-01	1200 2018-02-01	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 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1190.7	1189.6	1200	1200
Analysis
Rating	1190.7	1189.6	1200	1200
Raw rating	1190.7	1189.6	1200	1200
Weighted rating	1190.7	1189.6	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	168	168.3	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	1190.7	1189.6	1200	1200
New weighted rating	1190.7	1189.6	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1190.7	1189.6	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1190.7	1189.6	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	14	14

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	14	6.5	46.43	-30.4	1197	1166.6
Standard	14	6.5	46.43	-30.4	1197	1166.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1190.7	1189.6	1200	1200
2025-09-01	1190.7	1189.6	1200	1200
2025-08-01	1190.7	1189.6	1200	1200
2025-07-01	1190.7	1189.6	1200	1200
2025-06-01	1190.7	1189.6	1200	1200
2025-05-01	1190.7	1189.6	1200	1200
2025-04-01	1190.7	1189.6	1200	1200
2025-03-01	1190.7	1189.6	1200	1200
2025-02-01	1190.7	1189.6	1200	1200
2025-01-01	1190.7	1189.6	1200	1200
2024-12-01	1190.7	1189.6	1200	1200
2024-11-01	1190.7	1189.6	1200	1200
2024-10-01	1190.7	1189.6	1200	1200
2024-09-01	1190.7	1189.6	1200	1200
2024-08-01	1190.7	1189.6	1200	1200
2024-07-01	1190.7	1189.6	1200	1200
2024-06-01	1190.7	1189.6	1200	1200
2024-08-01	1190.7	1189.6	1200	1200
2024-04-01	1190.7	1189.6	1200	1200
2024-03-01	1190.7	1189.6	1200	1200
2024-02-01	1190.7	1189.6	1200	1200
2024-01-01	1190.7	1189.6	1200	1200
2023-12-01	1190.7	1189.6	1200	1200
2023-11-01	1190.7	1189.6	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	JNW Club - Bryanston Open1 2020 (D)	2020-02-01	2020-02-01	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
2	JNW Club - Trinityhouse Randpark Ridge Open 2019 (E)	2019-03-09	2019-03-09	Standard	Johannesburg Metro (GJM)	5	4	1.5	Yes	Analysis
3	JNW Club - Trinityhouse Little Falls Open 2019 (F)	2019-02-23	2019-02-23	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament JNW Club - Bryanston Open1 2020				Tournament JNW Club - Bryanston Open1 2020
		date 2020-02-01	rnd 2	type Standard	result 1	date 2020-02-01	rnd 4	type Standard	result 1
		Opponent Mesele, O (Oboitshepo)				Opponent Botha, A (Andrea)
2	2	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019				Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019
		date 2019-03-09	rnd 3	type Standard	result 0.5	date 2019-03-09	rnd 5	type Standard	result 1
		Opponent Barker, R (Ryan)				Opponent Botha, A (Andrea)
3	2	Tournament JNW Club - Trinityhouse Little Falls Open 2019				Tournament JNW Club - Trinityhouse Little Falls Open 2019
		date 2019-02-23	rnd 1	type Standard	result 1	date 2019-02-23	rnd 2	type Standard	result 1
		Opponent Swiegers, A (Albrecht Niel)				Opponent Hattingh, J (Juan)

#	Games	Start				End
1	3	Tournament JNW Club - Bryanston Open1 2020				Tournament JNW Club - Bryanston Open1 2020
		date 2020-02-01	rnd 2	type Standard	result 1	date 2020-02-01	rnd 4	type Standard	result 1
		Opponent Mesele, O (Oboitshepo)				Opponent Botha, A (Andrea)
2	2	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019				Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019
		date 2019-03-09	rnd 3	type Standard	result 0.5	date 2019-03-09	rnd 5	type Standard	result 1
		Opponent Barker, R (Ryan)				Opponent Botha, A (Andrea)
3	2	Tournament JNW Club - Trinityhouse Little Falls Open 2019				Tournament JNW Club - Trinityhouse Little Falls Open 2019
		date 2019-02-23	rnd 1	type Standard	result 1	date 2019-02-23	rnd 2	type Standard	result 1
		Opponent Swiegers, A (Albrecht Niel)				Opponent Hattingh, J (Juan)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament JNW Club - Bryanston Open1 2020				Tournament JNW Club - Bryanston Open1 2020
		date 2020-02-01	rnd 2	type Standard	result 1	date 2020-02-01	rnd 4	type Standard	result 1
		Opponent Mesele, O (Oboitshepo)				Opponent Botha, A (Andrea)
2	2	Tournament JNW Club - Trinityhouse Little Falls Open 2019				Tournament JNW Club - Trinityhouse Little Falls Open 2019
		date 2019-02-23	rnd 1	type Standard	result 1	date 2019-02-23	rnd 2	type Standard	result 1
		Opponent Swiegers, A (Albrecht Niel)				Opponent Hattingh, J (Juan)
3	1	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019				Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019
		date 2019-03-09	rnd 5	type Standard	result 1	date 2019-03-09	rnd 5	type Standard	result 1
		Opponent Botha, A (Andrea)				Opponent Botha, A (Andrea)

#	Games	Start				End
1	3	Tournament JNW Club - Bryanston Open1 2020				Tournament JNW Club - Bryanston Open1 2020
		date 2020-02-01	rnd 2	type Standard	result 1	date 2020-02-01	rnd 4	type Standard	result 1
		Opponent Mesele, O (Oboitshepo)				Opponent Botha, A (Andrea)
2	2	Tournament JNW Club - Trinityhouse Little Falls Open 2019				Tournament JNW Club - Trinityhouse Little Falls Open 2019
		date 2019-02-23	rnd 1	type Standard	result 1	date 2019-02-23	rnd 2	type Standard	result 1
		Opponent Swiegers, A (Albrecht Niel)				Opponent Hattingh, J (Juan)
3	1	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019				Tournament JNW Club - Trinityhouse Randpark Ridge Open 2019
		date 2019-03-09	rnd 5	type Standard	result 1	date 2019-03-09	rnd 5	type Standard	result 1
		Opponent Botha, A (Andrea)				Opponent Botha, A (Andrea)

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	Botha ,A (Andrea)	2	2	425	2	2	425	0	0	0	0	0	0
1	Botha ,A (Andrea)	2	1179.8	1604.8	2	1174.5	1604.8	0	0	0	0	0	0
2	Mesele ,O (Oboitshepo)	1	1	425	1	1	425	0	0	0	0	0	0
2	Mesele ,O (Oboitshepo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Mundalamo ,A (Arehone)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Mundalamo ,A (Arehone)	1	1218	793	1	1218.4	793	0	0	0	0	0	0
4	Poongavanum ,K (Kalyan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Poongavanum ,K (Kalyan)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Visagie ,R (Reuben)	1	1	425	1	1	425	0	0	0	0	0	0
5	Visagie ,R (Reuben)	1	1245.2	1670.2	1	1253.2	1670.2	0	0	0	0	0	0
6	Barker ,R (Ryan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Barker ,R (Ryan)	1	1152.2	1152.2	1	1139.6	1152.2	0	0	0	0	0	0
7	Joseph ,J (Jamie)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Joseph ,J (Jamie)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Swiegers ,A (Albrecht Niel)	1	1	425	1	1	425	0	0	0	0	0	0
8	Swiegers ,A (Albrecht Niel)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Naicker ,GC (Gabriel Christian)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Naicker ,GC (Gabriel Christian)	1	1250.5	825.5	1	1263.6	825.5	0	0	0	0	0	0
10	Hattingh ,J (Juan)	1	1	425	1	1	425	0	0	0	0	0	0
10	Hattingh ,J (Juan)	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

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PLAYER PAGE

Personal

Van Der Westhuizen, R (Ruan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms