Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Westhuizen, M (Mari-Lee)

Chess SA id

2060101830

FIDE id

Date of birth

2006-01-30 (U20)

Gender

Female

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-05-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1031.1	1002	1200	1200
Raw rating	1031.1	1002	1200	1200
Weighted rating	1031.1	1002	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	210.9	219.9	165.8	165.8
Highest rating	1200 2018-01-01	1200 2018-01-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-01-01	1200 2018-01-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-01-01	1200 2018-01-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-01-01	1200 2018-01-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1031.1	1002	1200	1200
Analysis
Rating	1031.1	1002	1200	1200
Raw rating	1031.1	1002	1200	1200
Weighted rating	1031.1	1002	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	210.9	219.9	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	1031.1	1002	1200	1200
New weighted rating	1031.1	1002	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1031.1	1002	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1031.1	1002	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	18	18

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U20
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 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	18	6	33.33	-141.7	975.9	834.2
Standard	18	6	33.33	-141.7	975.9	834.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1031.1	1002	1200	1200
2025-09-30	1031.1	1002	1200	1200
2025-09-01	1031.1	1002	1200	1200
2025-08-01	1031.1	1002	1200	1200
2025-07-01	1031.1	1002	1200	1200
2025-06-01	1031.1	1002	1200	1200
2025-05-01	1031.1	1002	1200	1200
2025-04-01	1031.1	1002	1200	1200
2025-03-01	1031.1	1002	1200	1200
2025-02-01	1031.1	1002	1200	1200
2025-01-01	1031.1	1002	1200	1200
2024-12-01	1031.1	1002	1200	1200
2024-11-01	1031.1	1002	1200	1200
2024-10-01	1031.1	1002	1200	1200
2024-09-01	1031.1	1002	1200	1200
2024-08-01	1031.1	1002	1200	1200
2024-07-01	1031.1	1002	1200	1200
2024-09-01	1031.1	1002	1200	1200
2024-05-01	1031.1	1002	1200	1200
2024-04-01	1031.1	1002	1200	1200
2024-03-01	1031.1	1002	1200	1200
2024-02-01	1031.1	1002	1200	1200
2024-01-01	1031.1	1002	1200	1200
2023-12-01	1031.1	1002	1200	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	Laerskool Proteapark 2019 (D)	2019-05-18	2019-05-18	Standard	Bojanala Platina (NBR)	5	4	3	Yes	Analysis
2	Hoerskool Rustenburg Skaak 2019 (U14)	2019-04-13	2019-04-13	Standard	Bojanala Platina (NBR)	5	5	1.5	Yes	Analysis
3	Fields College Open 2019 (U14)	2019-02-02	2019-02-02	Standard	Bojanala Platina (NBR)	5	4	1	Yes	Analysis
4	Laerskool Proteapark Chess 2018 (Development)	2018-05-19	2018-05-19	Standard	Bojanala Platina (NBR)	5	5	0.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Laerskool Proteapark 2019				Tournament Laerskool Proteapark 2019
		date 2019-05-18	rnd 3	type Standard	result 1	date 2019-05-18	rnd 5	type Standard	result 1
		Opponent Pedersen, J (Jj)				Opponent Masilela, K (Kholwa-Ku-Zimu)
2	1	Tournament Hoerskool Rustenburg Skaak 2019				Tournament Hoerskool Rustenburg Skaak 2019
		date 2019-04-13	rnd 4	type Standard	result 0.5	date 2019-04-13	rnd 4	type Standard	result 0.5
		Opponent Moagi, Z (Zacharia)				Opponent Moagi, Z (Zacharia)
3	1	Tournament Hoerskool Rustenburg Skaak 2019				Tournament Hoerskool Rustenburg Skaak 2019
		date 2019-04-13	rnd 2	type Standard	result 1	date 2019-04-13	rnd 2	type Standard	result 1
		Opponent Modisane, G (Galaletsang)				Opponent Modisane, G (Galaletsang)

#	Games	Start				End
1	3	Tournament Laerskool Proteapark 2019				Tournament Laerskool Proteapark 2019
		date 2019-05-18	rnd 3	type Standard	result 1	date 2019-05-18	rnd 5	type Standard	result 1
		Opponent Pedersen, J (Jj)				Opponent Masilela, K (Kholwa-Ku-Zimu)
2	1	Tournament Hoerskool Rustenburg Skaak 2019				Tournament Hoerskool Rustenburg Skaak 2019
		date 2019-04-13	rnd 4	type Standard	result 0.5	date 2019-04-13	rnd 4	type Standard	result 0.5
		Opponent Moagi, Z (Zacharia)				Opponent Moagi, Z (Zacharia)
3	1	Tournament Hoerskool Rustenburg Skaak 2019				Tournament Hoerskool Rustenburg Skaak 2019
		date 2019-04-13	rnd 2	type Standard	result 1	date 2019-04-13	rnd 2	type Standard	result 1
		Opponent Modisane, G (Galaletsang)				Opponent Modisane, G (Galaletsang)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Laerskool Proteapark 2019				Tournament Laerskool Proteapark 2019
		date 2019-05-18	rnd 3	type Standard	result 1	date 2019-05-18	rnd 5	type Standard	result 1
		Opponent Pedersen, J (Jj)				Opponent Masilela, K (Kholwa-Ku-Zimu)
2	1	Tournament Hoerskool Rustenburg Skaak 2019				Tournament Hoerskool Rustenburg Skaak 2019
		date 2019-04-13	rnd 2	type Standard	result 1	date 2019-04-13	rnd 2	type Standard	result 1
		Opponent Modisane, G (Galaletsang)				Opponent Modisane, G (Galaletsang)
3	1	Tournament Fields College Open 2019				Tournament Fields College Open 2019
		date 2019-02-02	rnd 3	type Standard	result 1	date 2019-02-02	rnd 3	type Standard	result 1
		Opponent Van Niekerk, A (Adriaan)				Opponent Van Niekerk, A (Adriaan)

#	Games	Start				End
1	3	Tournament Laerskool Proteapark 2019				Tournament Laerskool Proteapark 2019
		date 2019-05-18	rnd 3	type Standard	result 1	date 2019-05-18	rnd 5	type Standard	result 1
		Opponent Pedersen, J (Jj)				Opponent Masilela, K (Kholwa-Ku-Zimu)
2	1	Tournament Hoerskool Rustenburg Skaak 2019				Tournament Hoerskool Rustenburg Skaak 2019
		date 2019-04-13	rnd 2	type Standard	result 1	date 2019-04-13	rnd 2	type Standard	result 1
		Opponent Modisane, G (Galaletsang)				Opponent Modisane, G (Galaletsang)
3	1	Tournament Fields College Open 2019				Tournament Fields College Open 2019
		date 2019-02-02	rnd 3	type Standard	result 1	date 2019-02-02	rnd 3	type Standard	result 1
		Opponent Van Niekerk, A (Adriaan)				Opponent Van Niekerk, A (Adriaan)

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	Modisane ,G (Galaletsang)	1	1	425	1	1	425	0	0	0	0	0	0
1	Modisane ,G (Galaletsang)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Dire ,O (Otlotleng)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Dire ,O (Otlotleng)	1	896.5	471.5	1	890.2	471.5	0	0	0	0	0	0
3	Moagi ,Z (Zacharia)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Moagi ,Z (Zacharia)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
4	Tlhage ,MM (Molemo Mmatshwabi)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Tlhage ,MM (Molemo Mmatshwabi)	1	1146.7	721.7	1	1148.7	721.7	0	0	0	0	0	0
5	Mocha ,O (Omphile)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Mocha ,O (Omphile)	1	932.6	507.6	1	911.8	507.6	0	0	0	0	0	0
6	Stoltz ,R (Raymond)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Stoltz ,R (Raymond)	1	816.9	391.9	1	697.6	391.9	0	0	0	0	0	0
7	Combrinck ,R (Renante)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Combrinck ,R (Renante)	1	929.7	504.7	1	896	504.7	0	0	0	0	0	0
8	Avenant ,M (Marko)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Avenant ,M (Marko)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Van Niekerk ,A (Adriaan)	1	1	425	1	1	425	0	0	0	0	0	0
9	Van Niekerk ,A (Adriaan)	1	590.3	1015.3	1	608.4	1015.3	0	0	0	0	0	0
10	Ramong ,K (Kemonokeng)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Ramong ,K (Kemonokeng)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Van Der Westhuizen, M (Mari-Lee)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms