Chess South Africa Ratings Database

PLAYER PAGE

Personal

Botha, R (Ryan)

Chess SA id

102055810

FIDE id

Date of birth

2002-07-19 (Adult)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-07-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	787	798.2	683	683
Raw rating	787	798.2	683	683
Weighted rating	787	798.2	683	683
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	298.7	293.9	346.4	346.4
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	787 2024-02-01	798.2 2024-02-01	683 2024-02-01	683 2024-02-01
Highest weighted rating	787 2024-11-01	798.2 2024-11-01	683 2024-11-01	683 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	787	798.2	683	683
Analysis
Rating	787	798.2	683	683
Raw rating	787	798.2	683	683
Weighted rating	787	798.2	683
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	298.7	293.9	346.4	346.4
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	787	798.2	683	683
New weighted rating	787	798.2	683	683
New weighted performance	0	0	0	0
Temp new rating	787	798.2	683	683
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	787	798.2	683	683
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	45	33	12

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	11	4	36.36	-115.9	1088.1	972.2
Standard	11	4	36.36	-115.9	1088.1	972.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	787	798.2	683	683
2025-09-30	787	798.2	683	683
2025-09-01	787	798.2	683	683
2025-08-01	787	798.2	683	683
2025-07-01	787	798.2	683	683
2025-06-01	787	798.2	683	683
2025-05-01	787	798.2	683	683
2025-04-01	787	798.2	683	683
2025-03-01	787	798.2	683	683
2025-02-01	787	798.2	683	683
2025-01-01	787	798.2	683	683
2024-12-01	787	798.2	683	683
2024-11-01	787	798.2	683	683
2024-10-01	787	798.2	683	683
2024-09-01	787	798.2	683	683
2024-08-01	787	798.2	683	683
2024-07-01	787	798.2	683	683
2024-09-01	787	798.2	683	683
2024-05-01	787	798.2	683	683
2024-04-01	787	798.2	683	683
2024-03-01	787	798.2	683	683
2024-02-01	787	798.2	683	683
2024-01-01	787	798.2	683	683
2023-12-01	780.9	798.2	683	683

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	Eden Top Schools 2019 (U18)	2019-07-20	2019-07-20	Standard	Eden (WEG)	5	5	2	Yes	Analysis
2	Calitzdorp Ope 2018	2018-05-05	2018-05-05	Standard	Eden (WEG)	5	3	1.5	Yes	Analysis
3	EDENSC Closed 1 2018 (U18)	2018-03-10	2018-03-10	Standard	Eden (WEG)	5	3	0.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament Eden Top Schools 2019				Tournament Eden Top Schools 2019
		date 2019-07-20	rnd 2	type Standard	result 1	date 2019-07-20	rnd 3	type Standard	result 1
		Opponent Michaels, O (O Neil)				Opponent Karelse, E (Erin-Leigh)
2	2	Tournament Calitzdorp Ope 2018				Tournament Calitzdorp Ope 2018
		date 2018-05-05	rnd 2	type Standard	result 1	date 2018-05-05	rnd 3	type Standard	result 0.5
		Opponent Skippers, J (Jaywin)				Opponent Johnson, A (Azriel)
3	1	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 1 2018
		date 2018-03-10	rnd 2	type Standard	result 0.5	date 2018-03-10	rnd 2	type Standard	result 0.5
		Opponent Brown, I (Ivano)				Opponent Brown, I (Ivano)

#	Games	Start				End
1	2	Tournament Eden Top Schools 2019				Tournament Eden Top Schools 2019
		date 2019-07-20	rnd 2	type Standard	result 1	date 2019-07-20	rnd 3	type Standard	result 1
		Opponent Michaels, O (O Neil)				Opponent Karelse, E (Erin-Leigh)
2	2	Tournament Calitzdorp Ope 2018				Tournament Calitzdorp Ope 2018
		date 2018-05-05	rnd 2	type Standard	result 1	date 2018-05-05	rnd 3	type Standard	result 0.5
		Opponent Skippers, J (Jaywin)				Opponent Johnson, A (Azriel)
3	1	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 1 2018
		date 2018-03-10	rnd 2	type Standard	result 0.5	date 2018-03-10	rnd 2	type Standard	result 0.5
		Opponent Brown, I (Ivano)				Opponent Brown, I (Ivano)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Eden Top Schools 2019				Tournament Eden Top Schools 2019
		date 2019-07-20	rnd 2	type Standard	result 1	date 2019-07-20	rnd 3	type Standard	result 1
		Opponent Michaels, O (O Neil)				Opponent Karelse, E (Erin-Leigh)
2	1	Tournament Calitzdorp Ope 2018				Tournament Calitzdorp Ope 2018
		date 2018-05-05	rnd 2	type Standard	result 1	date 2018-05-05	rnd 2	type Standard	result 1
		Opponent Skippers, J (Jaywin)				Opponent Skippers, J (Jaywin)

#	Games	Start				End
1	2	Tournament Eden Top Schools 2019				Tournament Eden Top Schools 2019
		date 2019-07-20	rnd 2	type Standard	result 1	date 2019-07-20	rnd 3	type Standard	result 1
		Opponent Michaels, O (O Neil)				Opponent Karelse, E (Erin-Leigh)
2	1	Tournament Calitzdorp Ope 2018				Tournament Calitzdorp Ope 2018
		date 2018-05-05	rnd 2	type Standard	result 1	date 2018-05-05	rnd 2	type Standard	result 1
		Opponent Skippers, J (Jaywin)				Opponent Skippers, J (Jaywin)

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	Jordaan ,W (Wikus)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Jordaan ,W (Wikus)	1	1322.7	897.7	1	1323.2	897.7	0	0	0	0	0	0
2	Mguzulwa ,E (Esona)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Mguzulwa ,E (Esona)	1	892.6	467.6	1	912.4	467.6	0	0	0	0	0	0
3	Skippers ,J (Jaywin)	1	1	425	1	1	425	0	0	0	0	0	0
3	Skippers ,J (Jaywin)	1	990.9	1415.9	1	952.4	1415.9	0	0	0	0	0	0
4	Freeks ,K (Karl)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Freeks ,K (Karl)	1	1342.2	917.2	1	1342.2	917.2	0	0	0	0	0	0
5	Johnson ,A (Azriel)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Johnson ,A (Azriel)	1	1065.9	1065.9	1	1070.9	1065.9	0	0	0	0	0	0
6	Oktober ,J (Jayson)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Oktober ,J (Jayson)	1	980.4	555.4	1	1019	555.4	0	0	0	0	0	0
7	Mabgwe ,R (Rutendo)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mabgwe ,R (Rutendo)	1	1099.8	674.8	1	1079.2	674.8	0	0	0	0	0	0
8	Brown ,I (Ivano)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Brown ,I (Ivano)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
9	Karelse ,E (Erin-Leigh)	1	1	425	1	1	425	0	0	0	0	0	0
9	Karelse ,E (Erin-Leigh)	1	944.1	1369.1	1	914.8	1369.1	0	0	0	0	0	0
10	Michaels ,O (O Neil)	1	1	425	1	1	425	0	0	0	0	0	0
10	Michaels ,O (O Neil)	1	972.5	1397.5	1	985.4	1397.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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Statistics

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PLAYER PAGE

Personal

Botha, R (Ryan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms