Chess South Africa Ratings Database

PLAYER PAGE

Personal

Walker, RJ (Roedolf Johannes)

Chess SA id

194042329

FIDE id

Date of birth

1994-07-04 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-01-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1264.4	1240	1300	1300
Raw rating	1264.4	1240	1300	1300
Weighted rating	1264.2	1240	1300	1300
Weighted performance	0	0	0	0
Floor	799	799	800	800
K-factor	36	36	36	36
Min/Max rating change allowed	151.3	156.6	143.8	143.8
Highest rating	1299 2018-01-01	1299 2018-01-01	1300 2024-02-01	1300 2024-02-01
Highest raw rating	1299 2018-01-01	1299 2018-01-01	1300 2024-02-01	1300 2024-02-01
Highest weighted rating	1299 2018-01-01	1299 2018-01-01	1300 2025-08-01	1300 2025-08-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1264.4	1240	1300	1300
Analysis
Rating	1264.4	1240	1300	1300
Raw rating	1264.4	1240	1300	1300
Weighted rating	1264.2	1240	1300
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	799	799	800	800
Max/Min rating change allowed	151.3	156.6	143.8	143.8
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	1264.4	1240	1300	1300
New weighted rating	1264.3	1240	1300	1300
New weighted performance	0	0	0	0
Temp new rating	1264.4	1240	1300	1300
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1264.4	1240	1300	1300
New K-factor	36	36	36	36
New floor	799	799	800	800

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	117	117

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	6	3	50	0	1064.5	1064.5
Standard	6	3	50	0	1064.5	1064.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1264.4	1240	1300	1300
2025-09-01	1264.4	1240	1300	1300
2025-08-01	1264.4	1240	1300	1300
2025-07-01	1264.4	1240	1300	1300
2025-06-01	1264.4	1240	1300	1300
2025-05-01	1264.4	1240	1300	1300
2025-04-01	1264.4	1240	1300	1300
2025-03-01	1264.4	1240	1300	1300
2025-02-01	1264.4	1240	1300	1300
2025-01-01	1264.4	1240	1300	1300
2024-12-01	1264.4	1240	1300	1300
2024-11-01	1264.4	1240	1300	1300
2024-10-01	1264.4	1240	1300	1300
2024-09-01	1264.4	1240	1300	1300
2024-08-01	1264.4	1240	1300	1300
2024-07-01	1264.4	1240	1300	1300
2024-06-01	1264.4	1240	1300	1300
2024-08-01	1264.4	1240	1300	1300
2024-04-01	1264.4	1240	1300	1300
2024-03-01	1264.4	1240	1300	1300
2024-02-01	1264.4	1240	1300	1300
2024-01-01	1264.4	1240	1300	1300
2023-12-01	1248.8	1240	1299	1299
2023-11-01	1248.8	1240	1299	1299

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 Open 2018 (B)	2018-01-26	2018-01-27	Standard	Johannesburg Metro (GJM)	6	6	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament JNW Club - Bryanston Open 2018				Tournament JNW Club - Bryanston Open 2018
		date 2018-01-27	rnd 4	type Standard	result 1	date 2018-01-27	rnd 5	type Standard	result 1
		Opponent Vink, D (Daniel)				Opponent Jurisich, A (Ashley)
2	1	Tournament JNW Club - Bryanston Open 2018				Tournament JNW Club - Bryanston Open 2018
		date 2018-01-26	rnd 1	type Standard	result 1	date 2018-01-26	rnd 1	type Standard	result 1
		Opponent Sojen, AE (Araav)				Opponent Sojen, AE (Araav)

#	Games	Start				End
1	2	Tournament JNW Club - Bryanston Open 2018				Tournament JNW Club - Bryanston Open 2018
		date 2018-01-27	rnd 4	type Standard	result 1	date 2018-01-27	rnd 5	type Standard	result 1
		Opponent Vink, D (Daniel)				Opponent Jurisich, A (Ashley)
2	1	Tournament JNW Club - Bryanston Open 2018				Tournament JNW Club - Bryanston Open 2018
		date 2018-01-26	rnd 1	type Standard	result 1	date 2018-01-26	rnd 1	type Standard	result 1
		Opponent Sojen, AE (Araav)				Opponent Sojen, AE (Araav)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament JNW Club - Bryanston Open 2018				Tournament JNW Club - Bryanston Open 2018
		date 2018-01-27	rnd 4	type Standard	result 1	date 2018-01-27	rnd 5	type Standard	result 1
		Opponent Vink, D (Daniel)				Opponent Jurisich, A (Ashley)
2	1	Tournament JNW Club - Bryanston Open 2018				Tournament JNW Club - Bryanston Open 2018
		date 2018-01-26	rnd 1	type Standard	result 1	date 2018-01-26	rnd 1	type Standard	result 1
		Opponent Sojen, AE (Araav)				Opponent Sojen, AE (Araav)

#	Games	Start				End
1	2	Tournament JNW Club - Bryanston Open 2018				Tournament JNW Club - Bryanston Open 2018
		date 2018-01-27	rnd 4	type Standard	result 1	date 2018-01-27	rnd 5	type Standard	result 1
		Opponent Vink, D (Daniel)				Opponent Jurisich, A (Ashley)
2	1	Tournament JNW Club - Bryanston Open 2018				Tournament JNW Club - Bryanston Open 2018
		date 2018-01-26	rnd 1	type Standard	result 1	date 2018-01-26	rnd 1	type Standard	result 1
		Opponent Sojen, AE (Araav)				Opponent Sojen, AE (Araav)

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	Sojen ,AE (Araav Emmanuel)	1	1	425	1	1	425	0	0	0	0	0	0
1	Sojen ,AE (Araav Emmanuel)	1	984.7	1409.7	1	984.7	1409.7	0	0	0	0	0	0
2	Vink ,D (Daniel)	1	1	425	1	1	425	0	0	0	0	0	0
2	Vink ,D (Daniel)	1	911.8	1336.8	1	911.8	1336.8	0	0	0	0	0	0
3	Xiao ,R (Ryan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Xiao ,R (Ryan)	1	976.8	551.8	1	976.8	551.8	0	0	0	0	0	0
4	Fauconier ,M (Marcel)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Fauconier ,M (Marcel)	1	1259	834	1	1259	834	0	0	0	0	0	0
5	Naidoo ,R (Rayna)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Naidoo ,R (Rayna)	1	1220.8	795.8	1	1220.8	795.8	0	0	0	0	0	0
6	Jurisich ,A (Ashley)	1	1	425	1	1	425	0	0	0	0	0	0
6	Jurisich ,A (Ashley)	1	1033.6	1458.6	1	1033.6	1458.6	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

Walker, RJ (Roedolf Johannes)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms