Chess South Africa Ratings Database

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Personal

Willemse, C (Chrystal-Lee)

Chess SA id

2120190174

FIDE id

Date of birth

2012-08-01 (U14)

Gender

Female

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-09

Personal details last changed

1900-01-01

Junior GPX Games

10.5

Junior GPX Points

1034.2

Item	Main	Standard	Rapid	Blitz
Rating	1186.6	1199.6	1183.2	1200
Raw rating	1185.2	1198.1	1181.7	1200
Weighted rating	1186.6	1199.6	1183.2	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	169.3	166.3	170.2	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 2024-02-01	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 2024-02-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.1	-0.1	-0.1	0
New rating	1186.5	1199.4	1183.1	1200
Analysis
Rating	1186.6	1199.6	1183.2	1200
Raw rating	1185.2	1198.1	1181.7	1200
Weighted rating	1186.6	1199.6	1183.2
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	169.3	166.3	170.2	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	1185.2	1198.1	1181.7	1200
New weighted rating	1186.5	1199.4	1183.1	1200
New weighted performance	0	0	0	0
Temp new rating	1186.5	1199.4	1183.1	1200
Temp new rating +/-	-0.1	-0.1	-0.1	0
Final new rating +/-	-0.1	-0.1	-0.1	0
New rating	1186.5	1199.4	1183.1	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	15	6	9
	0	0	0
	5	0	5
	0	0	0
	0	0	0
History	20	6	14

Games since
	Main 15	Standard 6		Rapid 9		Blitz 0
Gender	Female
Age group	U14
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 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	15	5.5	36.67	-113.3	1247.5	1134.1
Standard	6	2	33.33	-141.7	1278	1136.4
Rapid	9	3.5	38.89	-94.4	1227.1	1132.6
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	20	7.5	37.5	-106.2	1232.2	1126
Standard	6	2	33.33	-141.7	1278	1136.4
Rapid	14	5.5	39.29	-91.1	1212.6	1121.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1185.2	1198.1	1181.7	1200
2025-09-01	1185.2	1198.1	1181.7	1200
2025-08-01	1185.8	1199.9	1181.7	1200
2025-07-01	1186.9	1199.9	1187.4	1200
2025-06-01	1186.9	1199.9	1187.4	1200
2025-05-01	1186.9	1199.8	1187.4	1200
2025-04-01	1186.4	1198.6	1187.4	1200
2025-03-01	1188.4	1200	1187.4	1200
2025-02-01	1187.2	1200	1181.5	1200
2025-01-01	1186.8	1200	1180.9	1200
2024-12-01	1186.8	1200	1180.9	1200
2024-11-01	1186.8	1200	1180.9	1200
2024-10-01	1186.8	1200	1180.9	1200
2024-09-01	1186.8	1200	1180.9	1200
2024-08-01	1186.8	1200	1180.9	1200
2024-07-01	1186.8	1200	1180.9	1200
2024-06-01	1186.8	1200	1180.9	1200
2024-08-01	1186.8	1200	1180.9	1200
2024-04-01	1186.8	1200	1180.9	1200
2024-03-01	1186.8	1200	1180.9	1200
2024-02-01	1186.8	1200	1180.9	1200
2024-01-01	1186.8	1200	1180.9	1200
2023-12-01	1186.8	1200	1180.9	1200
2023-11-01	1186.8	1200	1180.9	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	Western Cape Women�s Championship 2025 (U14)	2025-08-09	2025-08-09	Standard	West Coast (WCU)	5	1	0	Yes	Analysis
2	Lower West Coast Top Schools 2025 (U13)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	4	1	Yes	Analysis
3	West Coast Schools Chess Prestige 2025 (U13 Girls)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	5	2	Yes	Analysis
4	Lower West Coast Prestige 2025 (U13 Girls)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Women�s Championship 2025 (U14)	2025-08-09	2025-08-09	Standard	West Coast (WCU)	5	1	0	Yes	Analysis
2	Lower West Coast Top Schools 2025 (U13)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	4	1	Yes	Analysis
3	West Coast Schools Chess Prestige 2025 (U13 Girls)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	5	2	Yes	Analysis
4	Lower West Coast Prestige 2025 (U13 Girls)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	2.5	Yes	Analysis
5	Saldanha Open 2023 (A)	2023-07-29	2023-07-29	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Lower West Coast Prestige 2025				Tournament Lower West Coast Prestige 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 0.5
		Opponent Mnyaka, C (Chriselda)				Opponent Fortuin, E (El-Shanice)
2	2	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Engelbrecht, G (Gershwine)				Opponent Williams, L (Lee-Shaan)
3	2	Tournament Saldanha Open 2023				Tournament Saldanha Open 2023
		date 2023-07-29	rnd 1	type Rapid	result 1	date 2023-07-29	rnd 2	type Rapid	result 1
		Opponent Donn, D (Dequin)				Opponent Hess, C (Caleb)

#	Games	Start				End
1	2	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Engelbrecht, G (Gershwine)				Opponent Williams, L (Lee-Shaan)

#	Games	Start				End
1	3	Tournament Lower West Coast Prestige 2025				Tournament Lower West Coast Prestige 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 0.5
		Opponent Mnyaka, C (Chriselda)				Opponent Fortuin, E (El-Shanice)
2	2	Tournament Saldanha Open 2023				Tournament Saldanha Open 2023
		date 2023-07-29	rnd 1	type Rapid	result 1	date 2023-07-29	rnd 2	type Rapid	result 1
		Opponent Donn, D (Dequin)				Opponent Hess, C (Caleb)
3	1	Tournament Lower West Coast Top Schools 2025				Tournament Lower West Coast Top Schools 2025
		date 2025-06-14	rnd 4	type Rapid	result 1	date 2025-06-14	rnd 4	type Rapid	result 1
		Opponent Williams, T (Tauriq)				Opponent Williams, T (Tauriq)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Engelbrecht, G (Gershwine)				Opponent Williams, L (Lee-Shaan)
2	2	Tournament Lower West Coast Prestige 2025				Tournament Lower West Coast Prestige 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Mnyaka, C (Chriselda)				Opponent Samuels, E (Edynn)
3	2	Tournament Saldanha Open 2023				Tournament Saldanha Open 2023
		date 2023-07-29	rnd 1	type Rapid	result 1	date 2023-07-29	rnd 2	type Rapid	result 1
		Opponent Donn, D (Dequin)				Opponent Hess, C (Caleb)

#	Games	Start				End
1	2	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Engelbrecht, G (Gershwine)				Opponent Williams, L (Lee-Shaan)

#	Games	Start				End
1	2	Tournament Lower West Coast Prestige 2025				Tournament Lower West Coast Prestige 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Mnyaka, C (Chriselda)				Opponent Samuels, E (Edynn)
2	2	Tournament Saldanha Open 2023				Tournament Saldanha Open 2023
		date 2023-07-29	rnd 1	type Rapid	result 1	date 2023-07-29	rnd 2	type Rapid	result 1
		Opponent Donn, D (Dequin)				Opponent Hess, C (Caleb)
3	1	Tournament Lower West Coast Top Schools 2025				Tournament Lower West Coast Top Schools 2025
		date 2025-06-14	rnd 4	type Rapid	result 1	date 2025-06-14	rnd 4	type Rapid	result 1
		Opponent Williams, T (Tauriq)				Opponent Williams, T (Tauriq)

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	Williams ,L (Lee-Shaan)	1	1	425	1	1	425	0	0	0	0	0	0
1	Williams ,L (Lee-Shaan)	1	1198.8	1623.8	1	1200	1623.8	0	0	0	0	0	0
2	Pfukwa ,P (Palesa)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Pfukwa ,P (Palesa)	1	1563.3	1138.3	1	1551.5	1138.3	0	0	0	0	0	0
3	Marinus ,M (Madison)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Marinus ,M (Madison)	1	1397.8	972.8	1	1386.4	972.8	0	0	0	0	0	0
4	Kruger ,J (Jamie Leigh)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Kruger ,J (Jamie Leigh)	1	1278.8	853.8	1	1224.3	853.8	0	0	0	0	0	0
5	Scholtz ,G (Gera)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Scholtz ,G (Gera)	1	1073.8	648.8	1	1093.6	648.8	0	0	0	0	0	0
6	Engelbrecht ,G (Gershwine)	1	1	425	1	1	425	0	0	0	0	0	0
6	Engelbrecht ,G (Gershwine)	1	1155.9	1580.9	1	1148.7	1580.9	0	0	0	0	0	0
7	Mnyaka ,C (Chriselda)	1	1	425	0	0	0	1	1	425	0	0	0
7	Mnyaka ,C (Chriselda)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Khoza ,L (Lwandle)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Khoza ,L (Lwandle)	1	1198.2	773.2	0	0	0	1	1166.3	773.2	0	0	0
9	Samuels ,E (Edynn)	1	1	425	0	0	0	1	1	425	0	0	0
9	Samuels ,E (Edynn)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Koopman ,V (Virat)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Koopman ,V (Virat)	1	1425.1	1000.1	0	0	0	1	1428.3	1000.1	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Willemse, C (Chrystal-Lee)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms