Chess South Africa Ratings Database

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Personal

Botha, R (Randzu)

Chess SA id

2150305065

FIDE id

Date of birth

2015-12-26 (U12)

Gender

Female

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1019.8

Item	Main	Standard	Rapid	Blitz
Rating	1121	1158.7	1128.4	1200
Raw rating	1121	1149.1	1128.4	1200
Weighted rating	1107.1	1158.7	1116.2	1200
Weighted performance	1100.7	0	1091.4	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	185.6	178.3	183.6	165.8
Highest rating	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01
Highest raw rating	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01
Highest weighted rating	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01
Highest weighted performance	1200 2024-12-01	1200 2024-05-01	1200 2024-12-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	-1.6	0	0
New rating	1121	1157.1	1128.4	1200
Analysis
Rating	1121	1158.7	1128.4	1200
Raw rating	1121	1149.1	1128.4	1200
Weighted rating	1107.1	1158.7	1116.2
Weighted performance	1100.7	0	1091.4
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	185.6	178.3	183.6	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	1121	1149.1	1128.4	1200
New weighted rating	1106.8	1157.1	1116.1	1200
New weighted performance	1100.4	0	1091	0
Temp new rating	1121	1157.1	1128.4	1200
Temp new rating +/-	0	-1.6	0	0
Final new rating +/-	0	-1.6	0	0
New rating	1121	1157.1	1128.4	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	34	14	20
	17	5	12
	0	0	0
	0	0	0
	0	0	0
History	51	19	32

Games since
	Main 51	Standard 19		Rapid 32		Blitz 0
Gender	Female
Age group	U12
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	4335		1450		172
Female	1117		460		56
U12	754		271		41
U12 Female	246		102		16
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	1860		943		241
Female	456		248		74
U12	356		192		58
U12 Female	119		65		24
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-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	34	12	35.29	-125	1230.5	1105.5
Standard	14	4	28.57	-182.1	1249	1066.9
Rapid	20	8	40	-85	1217.5	1132.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	51	13.5	26.47	-200	1206.9	1006.9
Standard	19	4	21.05	-246.1	1221.7	975.6
Rapid	32	9.5	29.69	-172.7	1198.1	1025.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1121	1149.1	1128.4	1200
2025-09-01	1112.9	1157	1128.4	1200
2025-08-01	1109.1	1162.5	1128.4	1200
2025-07-01	1128.4	1162.5	1167.6	1200
2025-06-01	1110.4	1160.2	1138.4	1200
2025-05-01	1119	1166.9	1123	1200
2025-04-01	1119	1166.9	1123	1200
2025-03-01	1119	1166.9	1123	1200
2025-02-01	1114.3	1163.3	1116.3	1200
2025-01-01	1017.6	1099.9	1049.6	1200
2024-12-01	1017.6	1099.9	1049.6	1200
2024-11-01	1017.6	1099.9	1049.6	1200
2024-10-01	1017.6	1099.9	1049.6	1200
2024-09-01	1111.4	1200	1066.8	1200
2024-08-01	1111.4	1200	1066.8	1200
2024-07-01	1111.4	1200	1066.8	1200
2024-06-01	1146.5	1200	1114.4	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	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	Rooibos Open 2025 (Junior)	2025-08-30	2025-08-30	Standard	West Coast (WCU)	5	5	2	Yes	Analysis
2	Western Cape Women�s Championship 2025 (U12)	2025-08-09	2025-08-09	Standard	West Coast (WCU)	5	5	2	Yes	Analysis
3	Upper West Coast Top Schools 2025 (U15)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	5	1	Yes	Analysis
4	Shakirah Ruiters Youth Tournament 2025 (Advanced)	2025-06-16	2025-06-16	Rapid	West Coast (WCU)	5	5	2.5	Yes	Analysis
5	Brenton Cupido West Coast Development Championship 2025 (U11+U13 Girls)	2025-05-24	2025-05-24	Rapid	West Coast (WCU)	5	5	2.5	Yes	Analysis
6	West Coast And Mykonos Open 2025 (U12)	2025-05-02	2025-05-04	Standard	West Coast (WCU)	5	4	0	Yes	Analysis
7	Upper West Coast Presrige 2025 (U11Girls)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Rooibos Open 2025 (Junior)	2025-08-30	2025-08-30	Standard	West Coast (WCU)	5	5	2	Yes	Analysis
2	Western Cape Women�s Championship 2025 (U12)	2025-08-09	2025-08-09	Standard	West Coast (WCU)	5	5	2	Yes	Analysis
3	Upper West Coast Top Schools 2025 (U15)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	5	1	Yes	Analysis
4	Shakirah Ruiters Youth Tournament 2025 (Advanced)	2025-06-16	2025-06-16	Rapid	West Coast (WCU)	5	5	2.5	Yes	Analysis
5	Brenton Cupido West Coast Development Championship 2025 (U11+U13 Girls)	2025-05-24	2025-05-24	Rapid	West Coast (WCU)	5	5	2.5	Yes	Analysis
6	West Coast And Mykonos Open 2025 (U12)	2025-05-02	2025-05-04	Standard	West Coast (WCU)	5	4	0	Yes	Analysis
7	Upper West Coast Presrige 2025 (U11Girls)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
8	Western Cape Top Schools Championship 2024 (U15 Girls)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	5	0	Yes	Analysis
9	The Rooibos Open 2024 (C)	2024-08-24	2024-08-24	Rapid	West Coast (WCU)	5	4	1	Yes	Analysis
10	Lambertsbay Youth Open 2024 (Open)	2024-06-17	2024-06-17	Rapid	West Coast (WCU)	5	3	0	Yes	Analysis
11	Bo-Weskus Skole Skaak Top Skole 2024 (O15)	2024-05-11	2024-05-11	Rapid	West Coast (WCU)	5	5	0.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Western Cape Women�s Championship 2025				Tournament Rooibos Open 2025
		date 2025-08-09	rnd 4	type Standard	result 1	date 2025-08-30	rnd 1	type Standard	result 1
		Opponent Van Rooi, D (Dayron)				Opponent Tieties, J (Jomal)
2	3	Tournament Brenton Cupido West Coast Development Championship 2025				Tournament Brenton Cupido West Coast Development Championship 2025
		date 2025-05-24	rnd 2	type Rapid	result 1	date 2025-05-24	rnd 4	type Rapid	result 1
		Opponent Mafunda, E (Elam)				Opponent Van Wyk, D (Deslovienne)
3	1	Tournament Rooibos Open 2025				Tournament Rooibos Open 2025
		date 2025-08-30	rnd 3	type Standard	result 1	date 2025-08-30	rnd 3	type Standard	result 1
		Opponent Cloete, C (Carter)				Opponent Cloete, C (Carter)

#	Games	Start				End
1	3	Tournament Western Cape Women�s Championship 2025				Tournament Rooibos Open 2025
		date 2025-08-09	rnd 4	type Standard	result 1	date 2025-08-30	rnd 1	type Standard	result 1
		Opponent Van Rooi, D (Dayron)				Opponent Tieties, J (Jomal)
2	1	Tournament Rooibos Open 2025				Tournament Rooibos Open 2025
		date 2025-08-30	rnd 3	type Standard	result 1	date 2025-08-30	rnd 3	type Standard	result 1
		Opponent Cloete, C (Carter)				Opponent Cloete, C (Carter)

#	Games	Start				End
1	3	Tournament Brenton Cupido West Coast Development Championship 2025				Tournament Brenton Cupido West Coast Development Championship 2025
		date 2025-05-24	rnd 2	type Rapid	result 1	date 2025-05-24	rnd 4	type Rapid	result 1
		Opponent Mafunda, E (Elam)				Opponent Van Wyk, D (Deslovienne)
2	1	Tournament Shakirah Ruiters Youth Tournament 2025				Tournament Shakirah Ruiters Youth Tournament 2025
		date 2025-06-16	rnd 5	type Rapid	result 0.5	date 2025-06-16	rnd 5	type Rapid	result 0.5
		Opponent Varadharajan, A (Akilan)				Opponent Varadharajan, A (Akilan)
3	1	Tournament Shakirah Ruiters Youth Tournament 2025				Tournament Shakirah Ruiters Youth Tournament 2025
		date 2025-06-16	rnd 3	type Rapid	result 1	date 2025-06-16	rnd 3	type Rapid	result 1
		Opponent Klein, Z (Zairah-Lee)				Opponent Klein, Z (Zairah-Lee)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Western Cape Women�s Championship 2025				Tournament Rooibos Open 2025
		date 2025-08-09	rnd 4	type Standard	result 1	date 2025-08-30	rnd 1	type Standard	result 1
		Opponent Van Rooi, D (Dayron)				Opponent Tieties, J (Jomal)
2	1	Tournament Rooibos Open 2025				Tournament Rooibos Open 2025
		date 2025-08-30	rnd 3	type Standard	result 1	date 2025-08-30	rnd 3	type Standard	result 1
		Opponent Cloete, C (Carter)				Opponent Cloete, C (Carter)
3	1	Tournament Shakirah Ruiters Youth Tournament 2025				Tournament Shakirah Ruiters Youth Tournament 2025
		date 2025-06-16	rnd 3	type Rapid	result 1	date 2025-06-16	rnd 3	type Rapid	result 1
		Opponent Klein, Z (Zairah-Lee)				Opponent Klein, Z (Zairah-Lee)

#	Games	Start				End
1	3	Tournament Western Cape Women�s Championship 2025				Tournament Rooibos Open 2025
		date 2025-08-09	rnd 4	type Standard	result 1	date 2025-08-30	rnd 1	type Standard	result 1
		Opponent Van Rooi, D (Dayron)				Opponent Tieties, J (Jomal)
2	1	Tournament Rooibos Open 2025				Tournament Rooibos Open 2025
		date 2025-08-30	rnd 3	type Standard	result 1	date 2025-08-30	rnd 3	type Standard	result 1
		Opponent Cloete, C (Carter)				Opponent Cloete, C (Carter)

#	Games	Start				End
1	1	Tournament Shakirah Ruiters Youth Tournament 2025				Tournament Shakirah Ruiters Youth Tournament 2025
		date 2025-06-16	rnd 3	type Rapid	result 1	date 2025-06-16	rnd 3	type Rapid	result 1
		Opponent Klein, Z (Zairah-Lee)				Opponent Klein, Z (Zairah-Lee)
2	1	Tournament Shakirah Ruiters Youth Tournament 2025				Tournament Shakirah Ruiters Youth Tournament 2025
		date 2025-06-16	rnd 1	type Rapid	result 1	date 2025-06-16	rnd 1	type Rapid	result 1
		Opponent Cloete, J (Jhonrcio)				Opponent Cloete, J (Jhonrcio)
3	1	Tournament Upper West Coast Top Schools 2025				Tournament Upper West Coast Top Schools 2025
		date 2025-06-14	rnd 3	type Rapid	result 1	date 2025-06-14	rnd 3	type Rapid	result 1
		Opponent Rusike, S (Samantha)				Opponent Rusike, S (Samantha)

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	Januarie ,J (Johydin)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Januarie ,J (Johydin)	2	1165.6	740.6	1	1175.4	740.6	1	1165.2	740.6	0	0	0
2	Horse ,M (Mikyle)	2	0	-425	0	0	0	2	0	-425	0	0	0
2	Horse ,M (Mikyle)	2	1135.2	710.2	0	0	0	2	1206.3	710.2	0	0	0
3	Wilsnach ,L (Lishan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Wilsnach ,L (Lishan)	1	1199.9	774.9	1	1200	774.9	0	0	0	0	0	0
4	Madungwe ,P (Primrose)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Madungwe ,P (Primrose)	1	1171.8	746.8	1	1163.6	746.8	0	0	0	0	0	0
5	Van Rooi ,D (Dayron)	1	1	425	1	1	425	0	0	0	0	0	0
5	Van Rooi ,D (Dayron)	1	1199.3	1624.3	1	1199.2	1624.3	0	0	0	0	0	0
6	Tieties ,J (Jomal)	1	1	425	1	1	425	0	0	0	0	0	0
6	Tieties ,J (Jomal)	1	1229.4	1654.4	1	1227.4	1654.4	0	0	0	0	0	0
7	Cloete ,C (Carter)	1	1	425	1	1	425	0	0	0	0	0	0
7	Cloete ,C (Carter)	1	1199.5	1624.5	1	1199.4	1624.5	0	0	0	0	0	0
8	Viljoen ,A (Adrihan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Viljoen ,A (Adrihan)	1	1358	933	1	1340	933	0	0	0	0	0	0
9	Jacobs ,F (Felecia)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Jacobs ,F (Felecia)	1	1107.7	682.7	1	1087.2	682.7	0	0	0	0	0	0
10	Klein ,Z (Zairah)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
10	Klein ,Z (Zairah)	1	1200	1200	0	0	0	1	1200	1200	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Botha, R (Randzu)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms