Chess South Africa Ratings Database

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Personal

Ruiter, C (Charltonica)

Chess SA id

2170305221

FIDE id

Date of birth

2017-01-07 (U10)

Gender

Female

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-23

Personal details last changed

1900-01-01

Junior GPX Games

14.7

Junior GPX Points

986.1

Item	Main	Standard	Rapid	Blitz
Rating	1195.9	1199.5	1259.5	1200
Raw rating	1195.9	1199.5	1259.5	1200
Weighted rating	1171.8	1199.5	1187.3	1200
Weighted performance	1149.9	0	1227.8	0
Floor	700	700	759.5	700
K-factor	36	36	36	36
Min/Max rating change allowed	166.8	165.9	152.3	165.8
Highest rating	1200 2024-05-01	1200 2024-05-01	1259.5 2025-09-01	1200 2024-05-01
Highest raw rating	1200 2024-05-01	1200 2024-05-01	1259.5 2025-09-01	1200 2024-05-01
Highest weighted rating	1200 2024-05-01	1200 2024-05-01	1244.6 2024-05-01	1200 2024-05-01
Highest weighted performance	1200 2024-12-01	1200 2024-05-01	1254.8 2025-09-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1195.9	1199.5	1259.5	1200
Analysis
Rating	1195.9	1199.5	1259.5	1200
Raw rating	1195.9	1199.5	1259.5	1200
Weighted rating	1171.8	1199.5	1187.3
Weighted performance	1149.9	0	1227.8
K-factor	36	36	36	36
Floor	700	700	759.5	700
Max/Min rating change allowed	166.8	165.9	152.3	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	1195.9	1199.5	1259.5	1200
New weighted rating	1173.7	1199.5	1193.9	1200
New weighted performance	1142.9	0	1220.3	0
Temp new rating	1195.9	1199.5	1259.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1195.9	1199.5	1259.5	1200
New K-factor	36	36	36	36
New floor	700	700	759.5	700

Item	Main	Standard	Rapid
	0	0	0
	22	4	18
	12	0	12
	0	0	0
	0	0	0
	0	0	0
History	34	4	30

Games since
	Main 34	Standard 4		Rapid 30		Blitz 0
Gender	Female
Age group	U10
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	1308		652		155
Female	237		134		42
U10	114		60		10
U10 Female	20		12		3
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 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	22	11	50	0	1222.3	1222.3
Standard	4	0	0	-425	1314	889
Rapid	18	11	61.11	94.4	1202	1296.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	34	14	41.18	-75	1206.4	1131.4
Standard	4	0	0	-425	1314	889
Rapid	30	14	46.67	-28.3	1192	1163.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1195.9	1199.5	1259.5	1200
2025-09-30	1195.9	1199.5	1259.5	1200
2025-09-01	1195.9	1199.5	1259.5	1200
2025-08-01	1191.9	1199.5	1255.1	1200
2025-07-01	1177.8	1199.3	1244.6	1200
2025-06-01	1177.8	1195.4	1244.6	1200
2025-05-01	1165.5	1200	1147.6	1200
2025-04-01	1165.5	1200	1147.6	1200
2025-03-01	1165	1200	1146.7	1200
2025-02-01	1165.1	1200	1147	1200
2025-01-01	1130.9	1200	1094.8	1200
2024-12-01	1130.9	1200	1094.8	1200
2024-11-01	1144.4	1200	1116.4	1200
2024-10-01	1144.4	1200	1116.4	1200
2024-09-01	1144.4	1200	1116.4	1200
2024-08-01	1144.4	1200	1116.4	1200
2024-07-01	1144.4	1200	1116.4	1200
2024-09-01	1173.4	1200	1155.6	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
2024-01-01	1200	1200	1200	1200
2023-12-01	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	Pedro Booyse Top Schools 2025 (U11)	2025-08-23	2025-08-23	Rapid	West Coast (WCU)	5	4	2	Yes	Analysis
2	Lower West Coast Top Schools 2025 (U11)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
3	Brenton Cupido West Coast Development Championship 2025 (U9 Girls)	2025-05-24	2025-05-24	Rapid	West Coast (WCU)	5	5	5	Yes	Analysis
4	West Coast And Mykonos Open 2025 (U10)	2025-05-02	2025-05-04	Standard	West Coast (WCU)	5	4	0	Yes	Analysis
5	Lower West Coast Prestige 2025 (U9 Girls)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Pedro Booyse Top Schools 2025 (U11)	2025-08-23	2025-08-23	Rapid	West Coast (WCU)	5	4	2	Yes	Analysis
2	Lower West Coast Top Schools 2025 (U11)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
3	Brenton Cupido West Coast Development Championship 2025 (U9 Girls)	2025-05-24	2025-05-24	Rapid	West Coast (WCU)	5	5	5	Yes	Analysis
4	West Coast And Mykonos Open 2025 (U10)	2025-05-02	2025-05-04	Standard	West Coast (WCU)	5	4	0	Yes	Analysis
5	Lower West Coast Prestige 2025 (U9 Girls)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	4	1	Yes	Analysis
6	West Coast Grand Challange League 2024 (PS Development)	2024-10-26	2024-10-26	Rapid	West Coast (WCU)	5	5	1.5	Yes	Analysis
7	Western Cape - Brian Raubenheimer Development Tournament 2024 (U7 Boys+Girls)	2024-06-08	2024-06-08	Rapid	Overberg (WOS)	4	2	0	Yes	Analysis
8	Brenton Cupido West Coast Schools Championship 2024 (U7+U9)	2024-05-25	2024-05-25	Rapid	West Coast (WCU)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	7	Tournament Brenton Cupido West Coast Development Championship 2025				Tournament Lower West Coast Top Schools 2025
		date 2025-05-24	rnd 1	type Rapid	result 1	date 2025-06-14	rnd 2	type Rapid	result 0.5
		Opponent Nogubha, S (Sithembokuhle)				Opponent Witbooi, A (Austin)
2	2	Tournament Pedro Booyse Top Schools 2025				Tournament Pedro Booyse Top Schools 2025
		date 2025-08-23	rnd 2	type Rapid	result 1	date 2025-08-23	rnd 3	type Rapid	result 1
		Opponent Fransman, B (Blue-Neil)				Opponent Wentzel, W (Willen)
3	2	Tournament Lower West Coast Top Schools 2025				Tournament Lower West Coast Top Schools 2025
		date 2025-06-14	rnd 4	type Rapid	result 0.5	date 2025-06-14	rnd 5	type Rapid	result 1
		Opponent Gysenberg, N (Niquin)				Opponent Van Collar, L (Lienke)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament Brenton Cupido West Coast Development Championship 2025				Tournament Lower West Coast Top Schools 2025
		date 2025-05-24	rnd 1	type Rapid	result 1	date 2025-06-14	rnd 2	type Rapid	result 0.5
		Opponent Nogubha, S (Sithembokuhle)				Opponent Witbooi, A (Austin)
2	2	Tournament Pedro Booyse Top Schools 2025				Tournament Pedro Booyse Top Schools 2025
		date 2025-08-23	rnd 2	type Rapid	result 1	date 2025-08-23	rnd 3	type Rapid	result 1
		Opponent Fransman, B (Blue-Neil)				Opponent Wentzel, W (Willen)
3	2	Tournament Lower West Coast Top Schools 2025				Tournament Lower West Coast Top Schools 2025
		date 2025-06-14	rnd 4	type Rapid	result 0.5	date 2025-06-14	rnd 5	type Rapid	result 1
		Opponent Gysenberg, N (Niquin)				Opponent Van Collar, L (Lienke)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Brenton Cupido West Coast Development Championship 2025				Tournament Lower West Coast Top Schools 2025
		date 2025-05-24	rnd 1	type Rapid	result 1	date 2025-06-14	rnd 1	type Rapid	result 1
		Opponent Nogubha, S (Sithembokuhle)				Opponent Valentein, A (Angelo)
2	2	Tournament Pedro Booyse Top Schools 2025				Tournament Pedro Booyse Top Schools 2025
		date 2025-08-23	rnd 2	type Rapid	result 1	date 2025-08-23	rnd 3	type Rapid	result 1
		Opponent Fransman, B (Blue-Neil)				Opponent Wentzel, W (Willen)
3	1	Tournament Lower West Coast Top Schools 2025				Tournament Lower West Coast Top Schools 2025
		date 2025-06-14	rnd 5	type Rapid	result 1	date 2025-06-14	rnd 5	type Rapid	result 1
		Opponent Van Collar, L (Lienke)				Opponent Van Collar, L (Lienke)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Brenton Cupido West Coast Development Championship 2025				Tournament Lower West Coast Top Schools 2025
		date 2025-05-24	rnd 1	type Rapid	result 1	date 2025-06-14	rnd 1	type Rapid	result 1
		Opponent Nogubha, S (Sithembokuhle)				Opponent Valentein, A (Angelo)
2	2	Tournament Pedro Booyse Top Schools 2025				Tournament Pedro Booyse Top Schools 2025
		date 2025-08-23	rnd 2	type Rapid	result 1	date 2025-08-23	rnd 3	type Rapid	result 1
		Opponent Fransman, B (Blue-Neil)				Opponent Wentzel, W (Willen)
3	1	Tournament Lower West Coast Top Schools 2025				Tournament Lower West Coast Top Schools 2025
		date 2025-06-14	rnd 5	type Rapid	result 1	date 2025-06-14	rnd 5	type Rapid	result 1
		Opponent Van Collar, L (Lienke)				Opponent Van Collar, L (Lienke)

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	Minnaar ,M (Maxine)	2	0	-425	0	0	0	2	0	-425	0	0	0
1	Minnaar ,M (Maxine)	2	1237.6	812.6	0	0	0	2	1311.1	812.6	0	0	0
2	Van Collar ,L (Lienke)	2	1	0	0	0	0	2	1	0	0	0	0
2	Van Collar ,L (Lienke)	2	1215.7	1215.7	0	0	0	2	1206.2	1215.7	0	0	0
3	Varadharajan ,A (Akilan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Varadharajan ,A (Akilan)	1	1197.5	772.5	1	1197.8	772.5	0	0	0	0	0	0
4	Van Der Westhuizen ,E (Erin)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Van Der Westhuizen ,E (Erin)	1	1253.3	828.3	1	1218.6	828.3	0	0	0	0	0	0
5	Niemand ,J (Jano)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Niemand ,J (Jano)	1	1286	861	1	1201.5	861	0	0	0	0	0	0
6	Free ,N (Northlynne)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Free ,N (Northlynne)	1	1137.8	712.8	0	0	0	1	1114.7	712.8	0	0	0
7	Nogubha ,S (Sithembokuhle)	1	1	425	0	0	0	1	1	425	0	0	0
7	Nogubha ,S (Sithembokuhle)	1	1199.8	1624.8	0	0	0	1	1199.6	1624.8	0	0	0
8	Fransman ,B (Blue-Neil)	1	1	425	0	0	0	1	1	425	0	0	0
8	Fransman ,B (Blue-Neil)	1	1172.7	1597.7	0	0	0	1	1214.7	1597.7	0	0	0
9	Warner ,A (Amalia)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Warner ,A (Amalia)	1	1076.9	651.9	0	0	0	1	1030.5	651.9	0	0	0
10	Valentein ,A (Angelo)	1	1	425	0	0	0	1	1	425	0	0	0
10	Valentein ,A (Angelo)	1	1196.1	1621.1	0	0	0	1	1191.5	1621.1	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Ruiter, C (Charltonica)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms