Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Zyl, R (Roche-Kay)

Chess SA id

2140153847

FIDE id

Date of birth

2014-12-08 (U12)

Gender

Female

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-08-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1099.4	1149.4	1093.5	1200
Raw rating	1099.4	1149.4	1093.5	1200
Weighted rating	1097.2	1147.9	1090.5	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	191.4	178.2	193	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2019-12-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1099.4	1149.4	1093.5	1200
Analysis
Rating	1099.4	1149.4	1093.5	1200
Raw rating	1099.4	1149.4	1093.5	1200
Weighted rating	1097.2	1147.9	1090.5
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	191.4	178.2	193	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	1099.4	1149.4	1093.5	1200
New weighted rating	1097.5	1148.1	1091	1200
New weighted performance	0	0	0	0
Temp new rating	1099.4	1149.4	1093.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1099.4	1149.4	1093.5	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	7	0	7
	15	3	12
	0	0	0
	0	0	0
History	22	3	19

Games since
	Main 7	Standard 0		Rapid 7		Blitz 0
Gender	Female
Age group	U12
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 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	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	22	5	22.73	-231.8	1196.1	964.3
Standard	3	0	0	-425	1181.7	756.7
Rapid	19	5	26.32	-201.3	1198.4	997.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1099.4	1149.4	1093.5	1200
2025-09-01	1099.4	1149.4	1093.5	1200
2025-08-01	1099.4	1149.4	1093.5	1200
2025-07-01	1099.4	1149.4	1093.5	1200
2025-06-01	1099.4	1149.4	1093.5	1200
2025-05-01	1099.4	1149.4	1093.5	1200
2025-04-01	1099.4	1149.4	1093.5	1200
2025-03-01	1099.4	1149.4	1093.5	1200
2025-02-01	1099.4	1149.4	1093.5	1200
2025-01-01	1099.4	1145.6	1093.5	1200
2024-12-01	1099.4	1145.6	1093.5	1200
2024-11-01	1099.4	1145.6	1093.5	1200
2024-10-01	1099.4	1145.6	1093.5	1200
2024-09-01	1099.4	1145.6	1093.5	1200
2024-08-01	1085.6	1145.6	1074.8	1200
2024-07-01	1085.6	1145.6	1074.8	1200
2024-06-01	1085.6	1145.6	1074.8	1200
2024-08-01	1085.6	1145.6	1074.8	1200
2024-04-01	1085.6	1145.6	1074.8	1200
2024-03-01	1085.6	1145.6	1074.8	1200
2024-02-01	1094	1145.6	1088.8	1200
2024-01-01	1094	1145.6	1088.8	1200
2023-12-01	1094	1145.6	1088.8	1200
2023-11-01	1094	1145.6	1088.8	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	Pedro Booyse Top Schools Championships 2024 (U11 Girls)	2024-08-03	2024-08-03	Rapid	West Coast (WCU)	6	3	2	Yes	Analysis
2	Lower West Coast Schools Chess Prestige 2024 (U11 Girls)	2024-02-17	2024-02-17	Rapid	West Coast (WCU)	5	4	1	Yes	Analysis
3	Western Cape Top Schools 2023 (U11 Girls)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	3	0	Yes	Analysis
4	Pedro Booyse Top Schools Round 2 2023 (U11)	2023-08-22	2023-08-22	Rapid	West Coast (WCU)	5	4	0	Yes	Analysis
5	Pedro Booyse Top Schools 2023 (U11)	2023-07-29	2023-07-29	Rapid	West Coast (WCU)	5	4	0.5	Yes	Analysis
6	Lower West Coast Primary Schools Prestige Championships 2023 (U9 Girls)	2023-03-04	2023-03-04	Rapid	West Coast (WCU)	5	4	1.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament Lower West Coast Schools Chess Prestige 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-02-17	rnd 5	type Rapid	result 1	date 2024-08-03	rnd 3	type Rapid	result 1
		Opponent Brutus, B (Benedyn)				Opponent Warner, A (Amalia)
2	2	Tournament Lower West Coast Primary Schools Prestige Championships 2023				Tournament Lower West Coast Primary Schools Prestige Championships 2023
		date 2023-03-04	rnd 3	type Rapid	result 0.5	date 2023-03-04	rnd 5	type Rapid	result 1
		Opponent Nieuwenhuis, N (Nichelle)				Opponent Sterksee, K (Kimber-Jade)
3	1	Tournament Pedro Booyse Top Schools Championships 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-08-03	rnd 6	type Rapid	result 1	date 2024-08-03	rnd 6	type Rapid	result 1
		Opponent Warner, A (Amalia)				Opponent Warner, A (Amalia)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Lower West Coast Schools Chess Prestige 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-02-17	rnd 5	type Rapid	result 1	date 2024-08-03	rnd 3	type Rapid	result 1
		Opponent Brutus, B (Benedyn)				Opponent Warner, A (Amalia)
2	2	Tournament Lower West Coast Primary Schools Prestige Championships 2023				Tournament Lower West Coast Primary Schools Prestige Championships 2023
		date 2023-03-04	rnd 3	type Rapid	result 0.5	date 2023-03-04	rnd 5	type Rapid	result 1
		Opponent Nieuwenhuis, N (Nichelle)				Opponent Sterksee, K (Kimber-Jade)
3	1	Tournament Pedro Booyse Top Schools Championships 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-08-03	rnd 6	type Rapid	result 1	date 2024-08-03	rnd 6	type Rapid	result 1
		Opponent Warner, A (Amalia)				Opponent Warner, A (Amalia)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Lower West Coast Schools Chess Prestige 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-02-17	rnd 5	type Rapid	result 1	date 2024-08-03	rnd 3	type Rapid	result 1
		Opponent Brutus, B (Benedyn)				Opponent Warner, A (Amalia)
2	1	Tournament Pedro Booyse Top Schools Championships 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-08-03	rnd 6	type Rapid	result 1	date 2024-08-03	rnd 6	type Rapid	result 1
		Opponent Warner, A (Amalia)				Opponent Warner, A (Amalia)
3	1	Tournament Lower West Coast Primary Schools Prestige Championships 2023				Tournament Lower West Coast Primary Schools Prestige Championships 2023
		date 2023-03-04	rnd 5	type Rapid	result 1	date 2023-03-04	rnd 5	type Rapid	result 1
		Opponent Sterksee, K (Kimber-Jade)				Opponent Sterksee, K (Kimber-Jade)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Lower West Coast Schools Chess Prestige 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-02-17	rnd 5	type Rapid	result 1	date 2024-08-03	rnd 3	type Rapid	result 1
		Opponent Brutus, B (Benedyn)				Opponent Warner, A (Amalia)
2	1	Tournament Pedro Booyse Top Schools Championships 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-08-03	rnd 6	type Rapid	result 1	date 2024-08-03	rnd 6	type Rapid	result 1
		Opponent Warner, A (Amalia)				Opponent Warner, A (Amalia)
3	1	Tournament Lower West Coast Primary Schools Prestige Championships 2023				Tournament Lower West Coast Primary Schools Prestige Championships 2023
		date 2023-03-04	rnd 5	type Rapid	result 1	date 2023-03-04	rnd 5	type Rapid	result 1
		Opponent Sterksee, K (Kimber-Jade)				Opponent Sterksee, K (Kimber-Jade)

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	Murdoch ,G (Gabriel)	2	0	-425	0	0	0	2	0	-425	0	0	0
1	Murdoch ,G (Gabriel)	2	1279.4	854.4	0	0	0	2	1334.1	854.4	0	0	0
2	Willshach ,L (Lishan)	2	0	-425	0	0	0	2	0	-425	0	0	0
2	Willshach ,L (Lishan)	2	1234.4	809.4	0	0	0	2	1321.8	809.4	0	0	0
3	Avontuur ,E (Ezrah)	2	0	-425	0	0	0	2	0	-425	0	0	0
3	Avontuur ,E (Ezrah)	2	1234.7	809.7	0	0	0	2	1221.1	809.7	0	0	0
4	Snyders ,J (Jadie Leigh)	2	0	-425	0	0	0	2	0	-425	0	0	0
4	Snyders ,J (Jadie Leigh)	2	1174.4	749.4	0	0	0	2	1159.9	749.4	0	0	0
5	Warner ,A (Amalia)	2	2	425	0	0	0	2	2	425	0	0	0
5	Warner ,A (Amalia)	2	1091.5	1516.5	0	0	0	2	1045.3	1516.5	0	0	0
6	Khumbuza ,A (Amila)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Khumbuza ,A (Amila)	1	1209.3	784.3	1	1200	784.3	0	0	0	0	0	0
7	Coertze ,D (Dane)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Coertze ,D (Dane)	1	1135.1	710.1	1	1139.6	710.1	0	0	0	0	0	0
8	Krige ,Z (Zara)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Krige ,Z (Zara)	1	1200.6	775.6	1	1213	775.6	0	0	0	0	0	0
9	Sterksee ,K (Kimber-Jade)	1	1	425	0	0	0	1	1	425	0	0	0
9	Sterksee ,K (Kimber-Jade)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Lott ,L (Lucrecia)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Lott ,L (Lucrecia)	1	1292.1	867.1	0	0	0	1	1283.6	867.1	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Van Zyl, R (Roche-Kay)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms