Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Lange, M (Marizaan)

Chess SA id

2080105984

FIDE id

Date of birth

2008-02-05 (U18)

Gender

Female

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2021-10-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1197.4	1131.6	1181.3	1200
Raw rating	1197.4	1131.6	1181.3	1200
Weighted rating	1197.4	1131.6	1181.3	1200
Weighted performance	527.5	0	517	0
Floor	724.5	700	779.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	166.4	182.8	170.3	165.8
Highest rating	1243.3 2019-07-01	1200 2018-02-01	1616.3 2019-07-01	1200 2018-10-01
Highest raw rating	1224.5 2021-10-01	1200 2018-02-01	1279.6 2019-12-01	1200 2024-03-01
Highest weighted rating	1224.5 2018-02-01	1200 2018-02-01	1279.6 2020-02-01	1200 2018-10-01
Highest weighted performance	1243.3 2019-07-01	1200 2018-02-01	1616.3 2019-07-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1197.4	1131.6	1181.3	1200
Analysis
Rating	1197.4	1131.6	1181.3	1200
Raw rating	1197.4	1131.6	1181.3	1200
Weighted rating	1197.4	1131.6	1181.3
Weighted performance	527.5	0	517
K-factor	36	36	36	36
Floor	724.5	700	779.6	700
Max/Min rating change allowed	166.4	182.8	170.3	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	1197.4	1131.6	1181.3	1200
New weighted rating	1197.4	1131.6	1181.3	1200
New weighted performance	527.1	0	516.6	0
Temp new rating	1197.4	1131.6	1181.3	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1197.4	1131.6	1181.3	1200
New K-factor	36	36	36	36
New floor	724.5	700	779.6	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	15	0	15
History	44	15	29

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U18
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 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	44	22.5	51.14	9.7	1176.4	1186.1
Standard	15	6.5	43.33	-56.7	1114.9	1058.3
Rapid	29	16	55.17	44	1208.2	1252.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1197.4	1131.6	1181.3	1200
2025-09-01	1197.4	1131.6	1181.3	1200
2025-08-01	1197.4	1131.6	1181.3	1200
2025-07-01	1197.4	1131.6	1181.3	1200
2025-06-01	1197.4	1131.6	1181.3	1200
2025-05-01	1197.4	1131.6	1181.3	1200
2025-04-01	1197.4	1131.6	1181.3	1200
2025-03-01	1197.4	1131.6	1181.3	1200
2025-02-01	1197.4	1131.6	1181.3	1200
2025-01-01	1197.4	1131.6	1181.3	1200
2024-12-01	1197.4	1131.6	1181.3	1200
2024-11-01	1197.4	1131.6	1181.3	1200
2024-10-01	1197.4	1131.6	1181.3	1200
2024-09-01	1197.4	1131.6	1181.3	1200
2024-08-01	1197.4	1131.6	1181.3	1200
2024-07-01	1197.4	1131.6	1181.3	1200
2024-06-01	1197.4	1131.6	1181.3	1200
2024-08-01	1197.4	1131.6	1181.3	1200
2024-04-01	1197.4	1131.6	1181.3	1200
2024-03-01	1197.4	1131.6	1181.3	1200
2024-02-01	1197.4	1131.6	1181.3	1200
2024-01-01	1197.4	1131.6	1181.3	1200
2023-12-01	1197.4	1131.6	1181.3	1200
2023-11-01	1197.4	1131.6	1181.3	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	Western Cape Schools Championship 2021 (U13 Girls)	2021-10-02	2021-10-02	Rapid	Cape Town (WCT)	5	5	1	Yes	Analysis
2	West Coast Primary Schools Prestige 2021 (U13 Girls)	2021-09-18	2021-09-18	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
3	Lower West Coast Schools Chess Prestige 2021 (U13 Girls)	2021-05-15	2021-05-15	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
4	West Coast Schools Prestige 2020 (U13 Girls)	2020-03-07	2020-03-07	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
5	Onder Weskus Prestige 2020 (U13 Girls)	2020-02-15	2020-02-22	Standard	West Coast (WCU)	6	6	3.5	Yes	Analysis
6	Back to School Rapid 2020 (Girls)	2020-02-01	2020-02-01	Rapid	West Coast (WCU)	5	5	1	Yes	Analysis
7	Western Cape Top Schools 2019 (U11 Mix)	2019-08-31	2019-09-01	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
8	Weskus Topskole 2019 (U11)	2019-07-20	2019-07-20	Rapid	West Coast (WCU)	5	4	4	Yes	Analysis
9	Western Cape Top Schools 2018 (U9+U11 Girls)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	4	1	Yes	Analysis

#	Games	Start				End
1	5	Tournament Lower West Coast Schools Chess Prestige 2021				Tournament West Coast Primary Schools Prestige 2021
		date 2021-05-15	rnd 3	type Rapid	result 1	date 2021-09-18	rnd 2	type Rapid	result 1
		Opponent Thomas, C (Carlin)				Opponent Farmer, J (Jaydean)
2	4	Tournament Weskus Topskole 2019				Tournament Weskus Topskole 2019
		date 2019-07-20	rnd 1	type Rapid	result 1	date 2019-07-20	rnd 5	type Rapid	result 1
		Opponent Meyer, C (Connor)				Opponent Duikers, C (Chloe)
3	3	Tournament West Coast Schools Prestige 2020				Tournament West Coast Schools Prestige 2020
		date 2020-03-07	rnd 2	type Rapid	result 1	date 2020-03-07	rnd 4	type Rapid	result 1
		Opponent Visagie, M (Minya)				Opponent Van Der Heever, L (Lee-Ann)

#	Games	Start				End
1	2	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-15	rnd 3	type Standard	result 0.5	date 2020-02-22	rnd 4	type Standard	result 1
		Opponent Claassen, K (Kaylen)				Opponent Louw, A (Anusha)
2	2	Tournament Western Cape Top Schools 2019				Tournament Western Cape Top Schools 2019
		date 2019-08-31	rnd 2	type Standard	result 1	date 2019-08-31	rnd 3	type Standard	result 1
		Opponent Liebenberg, M (Malan)				Opponent Claassen, R (Ronaldo)
3	1	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-22	rnd 6	type Standard	result 1	date 2020-02-22	rnd 6	type Standard	result 1
		Opponent Momoza, K (Kubelelo)				Opponent Momoza, K (Kubelelo)

#	Games	Start				End
1	5	Tournament Lower West Coast Schools Chess Prestige 2021				Tournament West Coast Primary Schools Prestige 2021
		date 2021-05-15	rnd 3	type Rapid	result 1	date 2021-09-18	rnd 2	type Rapid	result 1
		Opponent Thomas, C (Carlin)				Opponent Farmer, J (Jaydean)
2	4	Tournament Weskus Topskole 2019				Tournament Weskus Topskole 2019
		date 2019-07-20	rnd 1	type Rapid	result 1	date 2019-07-20	rnd 5	type Rapid	result 1
		Opponent Meyer, C (Connor)				Opponent Duikers, C (Chloe)
3	3	Tournament West Coast Schools Prestige 2020				Tournament West Coast Schools Prestige 2020
		date 2020-03-07	rnd 2	type Rapid	result 1	date 2020-03-07	rnd 4	type Rapid	result 1
		Opponent Visagie, M (Minya)				Opponent Van Der Heever, L (Lee-Ann)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Lower West Coast Schools Chess Prestige 2021				Tournament West Coast Primary Schools Prestige 2021
		date 2021-05-15	rnd 3	type Rapid	result 1	date 2021-09-18	rnd 2	type Rapid	result 1
		Opponent Thomas, C (Carlin)				Opponent Farmer, J (Jaydean)
2	4	Tournament Weskus Topskole 2019				Tournament Weskus Topskole 2019
		date 2019-07-20	rnd 1	type Rapid	result 1	date 2019-07-20	rnd 5	type Rapid	result 1
		Opponent Meyer, C (Connor)				Opponent Duikers, C (Chloe)
3	3	Tournament West Coast Schools Prestige 2020				Tournament West Coast Schools Prestige 2020
		date 2020-03-07	rnd 2	type Rapid	result 1	date 2020-03-07	rnd 4	type Rapid	result 1
		Opponent Visagie, M (Minya)				Opponent Van Der Heever, L (Lee-Ann)

#	Games	Start				End
1	2	Tournament Western Cape Top Schools 2019				Tournament Western Cape Top Schools 2019
		date 2019-08-31	rnd 2	type Standard	result 1	date 2019-08-31	rnd 3	type Standard	result 1
		Opponent Liebenberg, M (Malan)				Opponent Claassen, R (Ronaldo)
2	1	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-22	rnd 6	type Standard	result 1	date 2020-02-22	rnd 6	type Standard	result 1
		Opponent Momoza, K (Kubelelo)				Opponent Momoza, K (Kubelelo)
3	1	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-22	rnd 4	type Standard	result 1	date 2020-02-22	rnd 4	type Standard	result 1
		Opponent Louw, A (Anusha)				Opponent Louw, A (Anusha)

#	Games	Start				End
1	5	Tournament Lower West Coast Schools Chess Prestige 2021				Tournament West Coast Primary Schools Prestige 2021
		date 2021-05-15	rnd 3	type Rapid	result 1	date 2021-09-18	rnd 2	type Rapid	result 1
		Opponent Thomas, C (Carlin)				Opponent Farmer, J (Jaydean)
2	4	Tournament Weskus Topskole 2019				Tournament Weskus Topskole 2019
		date 2019-07-20	rnd 1	type Rapid	result 1	date 2019-07-20	rnd 5	type Rapid	result 1
		Opponent Meyer, C (Connor)				Opponent Duikers, C (Chloe)
3	3	Tournament West Coast Schools Prestige 2020				Tournament West Coast Schools Prestige 2020
		date 2020-03-07	rnd 2	type Rapid	result 1	date 2020-03-07	rnd 4	type Rapid	result 1
		Opponent Visagie, M (Minya)				Opponent Van Der Heever, L (Lee-Ann)

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	Van Der Westhuizen ,C (Courtney)	2	2	425	1	1	425	1	1	425	0	0	0
1	Van Der Westhuizen ,C (Courtney)	2	935	1360.1	1	703.2	1360.1	1	875.2	1360.1	0	0	0
2	Kilroe-Smith ,G (Gabriella)	2	0	-425	0	0	0	2	0	-425	0	0	0
2	Kilroe-Smith ,G (Gabriella)	2	1336.6	911.6	0	0	0	2	1327.8	911.6	0	0	0
3	Van Zyl ,M (Mea)	2	0	-425	0	0	0	2	0	-425	0	0	0
3	Van Zyl ,M (Mea)	2	1310.2	885.2	0	0	0	2	1084.2	885.2	0	0	0
4	De Bruin ,E (Elrise)	2	0	-425	0	0	0	2	0	-425	0	0	0
4	De Bruin ,E (Elrise)	2	1263.1	838.1	0	0	0	2	1255.4	838.1	0	0	0
5	Kilroe-Smith ,I (Isabel)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Kilroe-Smith ,I (Isabel)	1	1143.7	718.7	1	1128.4	718.7	0	0	0	0	0	0
6	Liebenberg ,M (Malan)	1	1	425	1	1	425	0	0	0	0	0	0
6	Liebenberg ,M (Malan)	1	1135.1	1560.1	1	1106	1560.1	0	0	0	0	0	0
7	Nortje ,D (Dell-Maree)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Nortje ,D (Dell-Maree)	1	1131.5	706.5	1	976.8	706.5	0	0	0	0	0	0
8	Louw ,A (Anusha)	1	1	425	1	1	425	0	0	0	0	0	0
8	Louw ,A (Anusha)	1	1119.7	1544.7	1	1081.6	1544.7	0	0	0	0	0	0
9	Collair ,H (Houston)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Collair ,H (Houston)	1	1162.3	737.3	1	1148.6	737.3	0	0	0	0	0	0
10	Momoza ,K (Kubelelo)	1	1	425	1	1	425	0	0	0	0	0	0
10	Momoza ,K (Kubelelo)	1	1115	1540	1	1114.4	1540	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

De Lange, M (Marizaan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms