Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ruaruka, J (Joseph)

Chess SA id

1080320638

FIDE id

Date of birth

2008-11-17 (U20)

Gender

Male

Region

Ngaka Modiri Molema (NNM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1220.1	1225.5	1200	1200
Raw rating	1220.1	1225.5	1200	1200
Weighted rating	1207.2	1209.1	1200	1200
Weighted performance	0	0	0	0
Floor	720.1	725.5	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	161.1	159.9	165.8	165.8
Highest rating	1220.1 2025-09-01	1225.5 2025-09-01	1200 2025-06-01	1200 2025-06-01
Highest raw rating	1220.1 2025-09-01	1225.5 2025-09-01	1200 2025-06-01	1200 2025-06-01
Highest weighted rating	1201.4 2025-09-01	1201.8 2025-09-01	1200 2025-06-01	1200 2025-06-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1220.1	1225.5	1200	1200
Analysis
Rating	1220.1	1225.5	1200	1200
Raw rating	1220.1	1225.5	1200	1200
Weighted rating	1207.2	1209.1	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	720.1	725.5	700	700
Max/Min rating change allowed	161.1	159.9	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	1220.1	1225.5	1200	1200
New weighted rating	1208.5	1210.8	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1220.1	1225.5	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1220.1	1225.5	1200	1200
New K-factor	36	36	36	36
New floor	720.1	725.5	700	700

Item	Main	Standard
	0	0
	10	10
	0	0
	0	0
	0	0
	0	0
History	10	10

Games since
	Main 10	Standard 10		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Ngaka Modiri Molema (NNM)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	10	5	50	0	1177	1177
Standard	10	5	50	0	1177	1177
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	5	50	0	1177	1177
Standard	10	5	50	0	1177	1177
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1220.1	1225.5	1200	1200
2025-11-30	1220.1	1225.5	1200	1200
2025-11-01	1220.1	1225.5	1200	1200
2025-09-30	1220.1	1225.5	1200	1200
2025-09-01	1220.1	1225.5	1200	1200
2025-08-01	1199.8	1199.7	1200	1200
2025-07-01	1199.6	1199.5	1200	1200
2025-06-01	1197.4	1196.9	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-05-01	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

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	Woman In Chess 2025 (Open)	2025-08-09	2025-08-09	Standard	Ngaka Modiri Molema (NNM)	5	5	3	Yes	Analysis
2	Freedom Day Tournament 2025 (Open)	2025-05-17	2025-05-17	Standard	Ngaka Modiri Molema (NNM)	5	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Freedom Day Tournament 2025				Tournament Woman In Chess 2025
		date 2025-05-17	rnd 5	type Standard	result 1	date 2025-08-09	rnd 1	type Standard	result 1
		Opponent Selatedi, B (Bokamoso)				Opponent Moriri, O (Oratile)
2	1	Tournament Woman In Chess 2025				Tournament Woman In Chess 2025
		date 2025-08-09	rnd 5	type Standard	result 1	date 2025-08-09	rnd 5	type Standard	result 1
		Opponent Modibedi, T (Thoriso)				Opponent Modibedi, T (Thoriso)
3	1	Tournament Woman In Chess 2025				Tournament Woman In Chess 2025
		date 2025-08-09	rnd 3	type Standard	result 1	date 2025-08-09	rnd 3	type Standard	result 1
		Opponent Jacobs, S (Siyabonga)				Opponent Jacobs, S (Siyabonga)

#	Games	Start				End
1	2	Tournament Freedom Day Tournament 2025				Tournament Woman In Chess 2025
		date 2025-05-17	rnd 5	type Standard	result 1	date 2025-08-09	rnd 1	type Standard	result 1
		Opponent Selatedi, B (Bokamoso)				Opponent Moriri, O (Oratile)
2	1	Tournament Woman In Chess 2025				Tournament Woman In Chess 2025
		date 2025-08-09	rnd 5	type Standard	result 1	date 2025-08-09	rnd 5	type Standard	result 1
		Opponent Modibedi, T (Thoriso)				Opponent Modibedi, T (Thoriso)
3	1	Tournament Woman In Chess 2025				Tournament Woman In Chess 2025
		date 2025-08-09	rnd 3	type Standard	result 1	date 2025-08-09	rnd 3	type Standard	result 1
		Opponent Jacobs, S (Siyabonga)				Opponent Jacobs, S (Siyabonga)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Freedom Day Tournament 2025				Tournament Woman In Chess 2025
		date 2025-05-17	rnd 5	type Standard	result 1	date 2025-08-09	rnd 1	type Standard	result 1
		Opponent Selatedi, B (Bokamoso)				Opponent Moriri, O (Oratile)
2	1	Tournament Woman In Chess 2025				Tournament Woman In Chess 2025
		date 2025-08-09	rnd 5	type Standard	result 1	date 2025-08-09	rnd 5	type Standard	result 1
		Opponent Modibedi, T (Thoriso)				Opponent Modibedi, T (Thoriso)
3	1	Tournament Woman In Chess 2025				Tournament Woman In Chess 2025
		date 2025-08-09	rnd 3	type Standard	result 1	date 2025-08-09	rnd 3	type Standard	result 1
		Opponent Jacobs, S (Siyabonga)				Opponent Jacobs, S (Siyabonga)

#	Games	Start				End
1	2	Tournament Freedom Day Tournament 2025				Tournament Woman In Chess 2025
		date 2025-05-17	rnd 5	type Standard	result 1	date 2025-08-09	rnd 1	type Standard	result 1
		Opponent Selatedi, B (Bokamoso)				Opponent Moriri, O (Oratile)
2	1	Tournament Woman In Chess 2025				Tournament Woman In Chess 2025
		date 2025-08-09	rnd 5	type Standard	result 1	date 2025-08-09	rnd 5	type Standard	result 1
		Opponent Modibedi, T (Thoriso)				Opponent Modibedi, T (Thoriso)
3	1	Tournament Woman In Chess 2025				Tournament Woman In Chess 2025
		date 2025-08-09	rnd 3	type Standard	result 1	date 2025-08-09	rnd 3	type Standard	result 1
		Opponent Jacobs, S (Siyabonga)				Opponent Jacobs, S (Siyabonga)

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	Moriri ,O (Oratile)	1	1	425	1	1	425	0	0	0	0	0	0
1	Moriri ,O (Oratile)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Sibanda ,T (Thafara)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Sibanda ,T (Thafara)	1	929.2	504.2	1	918.9	504.2	0	0	0	0	0	0
3	Modibedi ,T (Thoriso)	1	1	425	1	1	425	0	0	0	0	0	0
3	Modibedi ,T (Thoriso)	1	1256.5	1681.5	1	1267.3	1681.5	0	0	0	0	0	0
4	Mafora ,O (Oletlile)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mafora ,O (Oletlile)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Modise ,O (Onalenna)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Modise ,O (Onalenna)	1	1146.9	721.9	1	1148.8	721.9	0	0	0	0	0	0
6	Malekanyo ,T (Tlamelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Malekanyo ,T (Tlamelo)	1	1274.3	849.3	1	1291.8	849.3	0	0	0	0	0	0
7	Selatedi ,B (Bokamoso)	1	1	425	1	1	425	0	0	0	0	0	0
7	Selatedi ,B (Bokamoso)	1	1174.2	1599.2	1	1168.7	1599.2	0	0	0	0	0	0
8	Kokoeng ,B (Bokamoso)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Kokoeng ,B (Bokamoso)	1	1188.9	763.9	1	1185.7	763.9	0	0	0	0	0	0
9	Thabisang ,B (Boikanyo)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Thabisang ,B (Boikanyo)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Jacobs ,S (Siyabonga)	1	1	425	1	1	425	0	0	0	0	0	0
10	Jacobs ,S (Siyabonga)	1	1200	1625	1	1200	1625	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

Ruaruka, J (Joseph)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms