Chess South Africa Ratings Database

PLAYER PAGE

Personal

Njoroge, R (Ryan)

Chess SA id

1070146012

FIDE id

Date of birth

2007-03-05 (U20)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-08-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1214.6	1220.4	1200	1200
Raw rating	1214.6	1220.4	1200	1200
Weighted rating	1214.6	1220.4	1200	1200
Weighted performance	0	0	0	0
Floor	714.6	720.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	162.4	161.1	165.8	165.8
Highest rating	1291.5 2022-08-01	1304.9 2022-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1214.6 2024-02-01	1220.4 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1214.6 2024-08-01	1220.4 2024-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1291.5 2022-08-01	1304.9 2022-08-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1214.6	1220.4	1200	1200
Analysis
Rating	1214.6	1220.4	1200	1200
Raw rating	1214.6	1220.4	1200	1200
Weighted rating	1214.6	1220.4	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	714.6	720.4	700	700
Max/Min rating change allowed	162.4	161.1	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	1214.6	1220.4	1200	1200
New weighted rating	1214.6	1220.4	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1214.6	1220.4	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1214.6	1220.4	1200	1200
New K-factor	36	36	36	36
New floor	714.6	720.4	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	5	5
	0	0
History	5	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	5	3	60	85	1195.5	1280.5
Standard	5	3	60	85	1195.5	1280.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1214.6	1220.4	1200	1200
2025-09-30	1214.6	1220.4	1200	1200
2025-09-01	1214.6	1220.4	1200	1200
2025-08-01	1214.6	1220.4	1200	1200
2025-07-01	1214.6	1220.4	1200	1200
2025-06-01	1214.6	1220.4	1200	1200
2025-05-01	1214.6	1220.4	1200	1200
2025-04-01	1214.6	1220.4	1200	1200
2025-03-01	1214.6	1220.4	1200	1200
2025-02-01	1214.6	1220.4	1200	1200
2025-01-01	1214.6	1220.4	1200	1200
2024-12-01	1214.6	1220.4	1200	1200
2024-11-01	1214.6	1220.4	1200	1200
2024-10-01	1214.6	1220.4	1200	1200
2024-09-01	1214.6	1220.4	1200	1200
2024-08-01	1214.6	1220.4	1200	1200
2024-07-01	1214.6	1220.4	1200	1200
2024-09-01	1214.6	1220.4	1200	1200
2024-05-01	1214.6	1220.4	1200	1200
2024-04-01	1214.6	1220.4	1200	1200
2024-03-01	1214.6	1220.4	1200	1200
2024-02-01	1214.6	1220.4	1200	1200
2024-01-01	1214.6	1220.4	1200	1200
2023-12-01	1214.6	1220.4	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	2022 Gauteng Schools Team Championships (U15 Open)	2022-08-26	2022-08-26	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-26	rnd 1	type Standard	result 1	date 2022-08-26	rnd 3	type Standard	result 1
		Opponent Golden, B (Bokamoso)				Opponent Mohlala, L (Letlotlo)

#	Games	Start				End
1	3	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-26	rnd 1	type Standard	result 1	date 2022-08-26	rnd 3	type Standard	result 1
		Opponent Golden, B (Bokamoso)				Opponent Mohlala, L (Letlotlo)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-26	rnd 1	type Standard	result 1	date 2022-08-26	rnd 3	type Standard	result 1
		Opponent Golden, B (Bokamoso)				Opponent Mohlala, L (Letlotlo)

#	Games	Start				End
1	3	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-26	rnd 1	type Standard	result 1	date 2022-08-26	rnd 3	type Standard	result 1
		Opponent Golden, B (Bokamoso)				Opponent Mohlala, L (Letlotlo)

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	Golden ,B (Bokamoso)	1	1	425	1	1	425	0	0	0	0	0	0
1	Golden ,B (Bokamoso)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Meyer ,C (Cayden)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Meyer ,C (Cayden)	1	1138.3	713.3	1	1200	713.3	0	0	0	0	0	0
3	Mohlala ,L (Letlotlo)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mohlala ,L (Letlotlo)	1	1239.2	1664.2	1	1243.8	1664.2	0	0	0	0	0	0
4	Sambo ,L (Loago Firtunate)	1	1	425	1	1	425	0	0	0	0	0	0
4	Sambo ,L (Loago Firtunate)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Van Den Berg ,Z (Zandre)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Van Den Berg ,Z (Zandre)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Njoroge, 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