Chess South Africa Ratings Database

PLAYER PAGE

Personal

Williams, R (Ruben)

Chess SA id

1160324953

FIDE id

Date of birth

2016-07-12 (U10)

Gender

Male

Region

Pixley-ka-Seme (NCP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1196.5	1195.7	1200	1200
Raw rating	1177.6	1172.8	1200	1200
Weighted rating	1196.5	1195.7	1200	1200
Weighted performance	0	0	0	0
Floor	699.9	699.9	700	700
K-factor	40	40	40	40
Min/Max rating change allowed	171.2	172.4	165.8	165.8
Highest rating	1199.9 2025-08-10	1199.9 2025-08-10	1199.9 2025-08-10	1199.9 2025-08-10
Highest raw rating	1199.9 2025-08-10	1199.9 2025-08-10	1199.9 2025-08-10	1199.9 2025-08-10
Highest weighted rating	1199.9 2025-08-10	1199.9 2025-08-10	1199.9 2025-08-10	1199.9 2025-08-10
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	-1.6	-2	0	0
New rating	1194.8	1193.7	1200	1200
Analysis
Rating	1196.5	1195.7	1200	1200
Raw rating	1177.6	1172.8	1200	1200
Weighted rating	1196.5	1195.7	1200
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	699.9	699.9	700	700
Max/Min rating change allowed	171.2	172.4	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	1177.6	1172.8	1200	1200
New weighted rating	1194.8	1193.7	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1194.8	1193.7	1200	1200
Temp new rating +/-	-1.6	-2	0	0
Final new rating +/-	-1.6	-2	0	0
New rating	1194.8	1193.7	1200	1200
New K-factor	40	40	36	36
New floor	699.9	699.9	700	700

Item	Main	Standard
	0	0
	9	9
	0	0
	0	0
	0	0
	0	0
History	9	9

Games since
	Main 9	Standard 9		Rapid 0		Blitz 0
Gender	Male
Age group	U10
Region	Pixley-ka-Seme (NCP)
Province	Northern Cape (NC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	9	3.5	38.89	-94.4	1233.8	1139.4
Standard	9	3.5	38.89	-94.4	1233.8	1139.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	9	3.5	38.89	-94.4	1233.8	1139.4
Standard	9	3.5	38.89	-94.4	1233.8	1139.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1177.6	1172.8	1200	1200
2025-09-01	1177.6	1172.8	1200	1200
2025-08-01	1200	1200	1200	1200
2025-07-01	1200	1200	1200	1200
2025-06-01	1200	1200	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
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	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	De Aar Primary School 2025 (U8+U10)	2025-08-16	2025-08-16	Standard	Pixley-ka-Seme (NCP)	5	5	3.5	Yes	Analysis
2	Hopetown Schools Open 2025 (U11)	2025-08-01	2025-08-01	Standard	Pixley-ka-Seme (NCP)	5	4	0	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	De Aar Primary School 2025 (U8+U10)	2025-08-16	2025-08-16	Standard	Pixley-ka-Seme (NCP)	5	5	3.5	Yes	Analysis
2	Hopetown Schools Open 2025 (U11)	2025-08-01	2025-08-01	Standard	Pixley-ka-Seme (NCP)	5	4	0	Yes	Analysis

#	Games	Start				End
1	3	Tournament De Aar Primary School 2025				Tournament De Aar Primary School 2025
		date 2025-08-16	rnd 3	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 0.5
		Opponent De Noon, K (Kate-Lynn)				Opponent Vermeulen, JB (Johannes Bernardus)
2	1	Tournament De Aar Primary School 2025				Tournament De Aar Primary School 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Van Pletzen, L (Larike)				Opponent Van Pletzen, L (Larike)

#	Games	Start				End
1	3	Tournament De Aar Primary School 2025				Tournament De Aar Primary School 2025
		date 2025-08-16	rnd 3	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 0.5
		Opponent De Noon, K (Kate-Lynn)				Opponent Vermeulen, JB (Johannes Bernardus)
2	1	Tournament De Aar Primary School 2025				Tournament De Aar Primary School 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Van Pletzen, L (Larike)				Opponent Van Pletzen, L (Larike)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament De Aar Primary School 2025				Tournament De Aar Primary School 2025
		date 2025-08-16	rnd 3	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent De Noon, K (Kate-Lynn)				Opponent Viljoen, D (Dani�l)
2	1	Tournament De Aar Primary School 2025				Tournament De Aar Primary School 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Van Pletzen, L (Larike)				Opponent Van Pletzen, L (Larike)

#	Games	Start				End
1	2	Tournament De Aar Primary School 2025				Tournament De Aar Primary School 2025
		date 2025-08-16	rnd 3	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent De Noon, K (Kate-Lynn)				Opponent Viljoen, D (Dani�l)
2	1	Tournament De Aar Primary School 2025				Tournament De Aar Primary School 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Van Pletzen, L (Larike)				Opponent Van Pletzen, L (Larike)

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	Vermeulen ,JB (Johannes Bernardus)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
1	Vermeulen ,JB (Johannes Bernardus)	2	1287	1074.5	2	1290.1	1074.5	0	0	0	0	0	0
2	De Noon ,K (Kate-Lynn)	1	1	425	1	1	425	0	0	0	0	0	0
2	De Noon ,K (Kate-Lynn)	1	1199.9	1624.9	1	1199.8	1624.9	0	0	0	0	0	0
3	Van Zyl ,F (Frederick)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Van Zyl ,F (Frederick)	1	1287.4	862.4	1	1292.2	862.4	0	0	0	0	0	0
4	Van Pletzen ,L (Larike)	1	1	425	1	1	425	0	0	0	0	0	0
4	Van Pletzen ,L (Larike)	1	1194.8	1619.8	1	1193.8	1619.8	0	0	0	0	0	0
5	Matekwe ,N (Nelson)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Matekwe ,N (Nelson)	1	1199.6	774.6	1	1199.5	774.6	0	0	0	0	0	0
6	Van Pletzen ,CJ (Carel Jacobus)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Van Pletzen ,CJ (Carel Jacobus)	1	1159.9	734.9	1	1156.5	734.9	0	0	0	0	0	0
7	Loubser ,R (Reinhardt)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Loubser ,R (Reinhardt)	1	1288.7	863.7	1	1288.2	863.7	0	0	0	0	0	0
8	Viljoen ,D (Dani�l)	1	1	425	1	1	425	0	0	0	0	0	0
8	Viljoen ,D (Dani�l)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Williams, R (Ruben)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms