Chess South Africa Ratings Database

PLAYER PAGE

Personal

Witbooi, J (Jo-Wayne)

Chess SA id

199043135

FIDE id

Date of birth

1999-12-03 (Adult)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-05-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	988	980.5	1048	992
Raw rating	988	980.5	1048	992
Weighted rating	988	980.5	1047.8	992
Weighted performance	0	0	0	0
Floor	508.9	512	548	500
K-factor	40	40	40	40
Min/Max rating change allowed	224.3	226.7	205.9	223
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1008.9 2018-04-01	1012 2018-04-01	1048 2024-02-01	992 2024-02-01
Highest weighted rating	1008.9 2024-11-01	1012 2024-11-01	1048 2024-11-01	992 2024-11-01
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	988	980.5	1048	992
Analysis
Rating	988	980.5	1048	992
Raw rating	988	980.5	1048	992
Weighted rating	988	980.5	1047.8
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	508.9	512	548	500
Max/Min rating change allowed	224.3	226.7	205.9	223
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	988	980.5	1048	992
New weighted rating	988	980.5	1048	992
New weighted performance	0	0	0	0
Temp new rating	988	980.5	1048	992
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	988	980.5	1048	992
New K-factor	40	40	40	40
New floor	508.9	512	548	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	88	65	23

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Eden (WEG)
Province	Western Cape (WC)
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	15	6.5	43.33	-56.7	1032.6	975.9
Standard	15	6.5	43.33	-56.7	1032.6	975.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	988	980.5	1048	992
2025-09-30	988	980.5	1048	992
2025-09-01	988	980.5	1048	992
2025-08-01	988	980.5	1048	992
2025-07-01	988	980.5	1048	992
2025-06-01	988	980.5	1048	992
2025-05-01	988	980.5	1048	992
2025-04-01	988	980.5	1048	992
2025-03-01	988	980.5	1048	992
2025-02-01	988	980.5	1048	992
2025-01-01	988	980.5	1048	992
2024-12-01	988	980.5	1048	992
2024-11-01	988	980.5	1048	992
2024-10-01	988	980.5	1048	992
2024-09-01	988	980.5	1048	992
2024-08-01	988	980.5	1048	992
2024-07-01	988	980.5	1048	992
2024-09-01	988	980.5	1048	992
2024-05-01	988	980.5	1048	992
2024-04-01	988	980.5	1048	992
2024-03-01	988	980.5	1048	992
2024-02-01	988	980.5	1048	992
2024-01-01	988	980.5	1048	992
2023-12-01	979	973.6	992	992

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	EDENSC Closed 3 2018 (U20 Open)	2018-05-12	2018-05-12	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
2	EDENSC Closed 2 2018 (U20 Open)	2018-04-14	2018-04-14	Standard	Eden (WEG)	5	5	1	Yes	Analysis
3	EDENSC Closed 1 2018 (U20)	2018-03-10	2018-03-10	Standard	Eden (WEG)	5	5	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament EDENSC Closed 3 2018				Tournament EDENSC Closed 3 2018
		date 2018-05-12	rnd 2	type Standard	result 0.5	date 2018-05-12	rnd 3	type Standard	result 1
		Opponent Esau, H (Humphrey)				Opponent Fry, W (Winston)
2	2	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 1 2018
		date 2018-03-10	rnd 1	type Standard	result 1	date 2018-03-10	rnd 2	type Standard	result 1
		Opponent Oosthuizen, M (Melinda)				Opponent Le Grange, K (Kyle)
3	1	Tournament EDENSC Closed 3 2018				Tournament EDENSC Closed 3 2018
		date 2018-05-12	rnd 5	type Standard	result 1	date 2018-05-12	rnd 5	type Standard	result 1
		Opponent Plaatjies, S (Shaamilah)				Opponent Plaatjies, S (Shaamilah)

#	Games	Start				End
1	2	Tournament EDENSC Closed 3 2018				Tournament EDENSC Closed 3 2018
		date 2018-05-12	rnd 2	type Standard	result 0.5	date 2018-05-12	rnd 3	type Standard	result 1
		Opponent Esau, H (Humphrey)				Opponent Fry, W (Winston)
2	2	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 1 2018
		date 2018-03-10	rnd 1	type Standard	result 1	date 2018-03-10	rnd 2	type Standard	result 1
		Opponent Oosthuizen, M (Melinda)				Opponent Le Grange, K (Kyle)
3	1	Tournament EDENSC Closed 3 2018				Tournament EDENSC Closed 3 2018
		date 2018-05-12	rnd 5	type Standard	result 1	date 2018-05-12	rnd 5	type Standard	result 1
		Opponent Plaatjies, S (Shaamilah)				Opponent Plaatjies, S (Shaamilah)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 1 2018
		date 2018-03-10	rnd 1	type Standard	result 1	date 2018-03-10	rnd 2	type Standard	result 1
		Opponent Oosthuizen, M (Melinda)				Opponent Le Grange, K (Kyle)
2	1	Tournament EDENSC Closed 3 2018				Tournament EDENSC Closed 3 2018
		date 2018-05-12	rnd 5	type Standard	result 1	date 2018-05-12	rnd 5	type Standard	result 1
		Opponent Plaatjies, S (Shaamilah)				Opponent Plaatjies, S (Shaamilah)
3	1	Tournament EDENSC Closed 3 2018				Tournament EDENSC Closed 3 2018
		date 2018-05-12	rnd 3	type Standard	result 1	date 2018-05-12	rnd 3	type Standard	result 1
		Opponent Fry, W (Winston)				Opponent Fry, W (Winston)

#	Games	Start				End
1	2	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 1 2018
		date 2018-03-10	rnd 1	type Standard	result 1	date 2018-03-10	rnd 2	type Standard	result 1
		Opponent Oosthuizen, M (Melinda)				Opponent Le Grange, K (Kyle)
2	1	Tournament EDENSC Closed 3 2018				Tournament EDENSC Closed 3 2018
		date 2018-05-12	rnd 5	type Standard	result 1	date 2018-05-12	rnd 5	type Standard	result 1
		Opponent Plaatjies, S (Shaamilah)				Opponent Plaatjies, S (Shaamilah)
3	1	Tournament EDENSC Closed 3 2018				Tournament EDENSC Closed 3 2018
		date 2018-05-12	rnd 3	type Standard	result 1	date 2018-05-12	rnd 3	type Standard	result 1
		Opponent Fry, W (Winston)				Opponent Fry, W (Winston)

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	Noemdo ,M (Mardan)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Noemdo ,M (Mardan)	2	1129.9	704.9	2	1119.2	704.9	0	0	0	0	0	0
2	Oosthuizen ,M (Melinda)	2	1	0	2	1	0	0	0	0	0	0	0
2	Oosthuizen ,M (Melinda)	2	698.2	698.2	2	702.6	698.2	0	0	0	0	0	0
3	Fry ,W (Winston)	2	1	0	2	1	0	0	0	0	0	0	0
3	Fry ,W (Winston)	2	1136.1	1136.1	2	1123.6	1136.1	0	0	0	0	0	0
4	Carelse ,A (Andridge)	1	1	425	1	1	425	0	0	0	0	0	0
4	Carelse ,A (Andridge)	1	1000.2	1425.2	1	968.4	1425.2	0	0	0	0	0	0
5	Le Grange ,K (Kyle)	1	1	425	1	1	425	0	0	0	0	0	0
5	Le Grange ,K (Kyle)	1	1170.5	1595.5	1	1164.4	1595.5	0	0	0	0	0	0
6	Campher ,K (Keegan)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Campher ,K (Keegan)	1	1207.7	782.7	1	1207.7	782.7	0	0	0	0	0	0
7	Esau ,H (Humphrey)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Esau ,H (Humphrey)	1	1107.7	1107.7	1	1089.6	1107.7	0	0	0	0	0	0
8	Swart ,G (George)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Swart ,G (George)	1	1475.7	1050.7	1	1476.6	1050.7	0	0	0	0	0	0
9	Kleinhans ,D (Duwin)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Kleinhans ,D (Duwin)	1	1112.6	687.6	1	1112.6	687.6	0	0	0	0	0	0
10	Ewerts ,R (Roberto)	1	1	425	1	1	425	0	0	0	0	0	0
10	Ewerts ,R (Roberto)	1	838	1263	1	838	1263	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Witbooi, J (Jo-Wayne)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms