Chess South Africa Ratings Database

PLAYER PAGE

Personal

Roothman, M (Marrit)

Chess SA id

206046690

FIDE id

Date of birth

2006-04-27 (U20)

Gender

Female

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-05-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1166.5	751.6	1046.8	500
Raw rating	1166.5	751.6	1046.8	500
Weighted rating	1145.4	748.6	973.3	500
Weighted performance	1004.5	0	0	0
Floor	666.5	500	546.8	500
K-factor	40	40	40	40
Min/Max rating change allowed	173.9	314.1	206.3	449.5
Highest rating	1224.7 2024-05-01	1200 2018-02-01	1348.6 2019-02-01	1200 2024-03-01
Highest raw rating	1166.5 2024-06-01	751.6 2024-05-01	1046.8 2025-02-01	500 2024-03-01
Highest weighted rating	1166.5 2024-11-01	751.6 2024-11-01	1046.8 2024-11-01	500 2024-11-01
Highest weighted performance	1224.7 2024-05-01	1200 2018-02-01	1348.6 2019-02-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1166.5	751.6	1046.8	500
Analysis
Rating	1166.5	751.6	1046.8	500
Raw rating	1166.5	751.6	1046.8	500
Weighted rating	1145.4	748.6	973.3
Weighted performance	1004.5	0	0
K-factor	40	40	40	40
Floor	666.5	500	546.8	500
Max/Min rating change allowed	173.9	314.1	206.3	449.5
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	1166.5	751.6	1046.8	500
New weighted rating	1152.5	749.6	985.9	500
New weighted performance	1004.1	0	0	0
Temp new rating	1166.5	751.6	1046.8	500
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1166.5	751.6	1046.8	500
New K-factor	40	40	40	40
New floor	666.5	500	546.8	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	20	5	15
	11	6	5
	0	0	0
	0	0	0
History	58	34	24

Games since
	Main 20	Standard 5		Rapid 15		Blitz 0
Gender	Female
Age group	U20
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
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	44	18.5	42.05	-67.6	1176.3	1108.7
Standard	21	7.5	35.71	-121.4	1112.2	990.8
Rapid	23	11	47.83	-18.5	1234.9	1216.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1166.5	751.6	1046.8	500
2025-09-01	1166.5	751.6	1046.8	500
2025-08-01	1166.5	751.6	1046.8	500
2025-07-01	1166.5	751.6	1046.8	500
2025-06-01	1166.5	751.6	1046.8	500
2025-05-01	1166.5	751.6	1046.8	500
2025-04-01	1166.5	751.6	1046.8	500
2025-03-01	1166.5	751.6	1046.8	500
2025-02-01	1166.5	751.6	1046.8	500
2025-01-01	1166.5	751.6	913.2	500
2024-12-01	1166.5	751.6	913.2	500
2024-11-01	1166.5	751.6	913.2	500
2024-10-01	1166.5	751.6	913.2	500
2024-09-01	1166.5	751.6	913.2	500
2024-08-01	1166.5	751.6	913.2	500
2024-07-01	1166.5	751.6	913.2	500
2024-06-01	1166.5	751.6	913.2	500
2024-08-01	1084	751.6	764.8	500
2024-04-01	1084	751.6	764.8	500
2024-03-01	1029	692.4	764.8	500
2024-02-01	710.3	692.4	578.4	500
2024-01-01	710.3	692.4	578.4	500
2023-12-01	710.3	692.4	578.4	500
2023-11-01	710.3	692.4	578.4	500

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	Bo-Weskus Skole Skaak Top Skole 2024 (O18)	2024-05-11	2024-05-11	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
2	Western Cape HS Individuals Championship 2024 (U18 Girls)	2024-03-21	2024-03-22	Standard	Overberg (WOS)	6	5	1.5	Yes	Analysis
3	West Coast Schools Chess Prestige Championships 2024 (U18+U20 Girls)	2024-02-24	2024-02-24	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
4	Bo-Weskus Skole Prestige 2024 (HS Dogters)	2024-02-10	2024-02-10	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
5	Western Cape Top Schools 2023 (U18 Girls)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
6	Upper West Coast Top Schools Championship 2023 (High School)	2023-06-10	2023-06-10	Rapid	West Coast (WCU)	5	5	0	Yes	Analysis
7	Bo-Weskus Skole Prestige 2020 (O15+O18 Dogters)	2020-02-15	2020-02-15	Standard	West Coast (WCU)	6	6	2	Yes	Analysis
8	Bo-Weskus Skole Skaak Prestige 2019 (O13 Dogters)	2019-02-16	2019-02-16	Rapid	West Coast (WCU)	7	3	2	Yes	Analysis
9	Western Cape Top Schools 2018 (U13 Girls)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	4	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament Western Cape HS Individuals Championship 2024				Tournament Bo-Weskus Skole Skaak Top Skole 2024
		date 2024-03-22	rnd 6	type Standard	result 1	date 2024-05-11	rnd 2	type Rapid	result 1
		Opponent Van Der Westhuizen, S (Shandre)				Opponent Swarts, F (Faqir)
2	3	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 1	type Standard	result 1	date 2023-09-02	rnd 3	type Standard	result 1
		Opponent Phillips, Z (Zara-Leigh)				Opponent Brink, A (Anika)
3	2	Tournament Bo-Weskus Skole Skaak Top Skole 2024				Tournament Bo-Weskus Skole Skaak Top Skole 2024
		date 2024-05-11	rnd 4	type Rapid	result 1	date 2024-05-11	rnd 5	type Rapid	result 1
		Opponent Koegelenberg, L (Louw)				Opponent Diedericks, T (Teswell)

#	Games	Start				End
1	3	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 1	type Standard	result 1	date 2023-09-02	rnd 3	type Standard	result 1
		Opponent Phillips, Z (Zara-Leigh)				Opponent Brink, A (Anika)
2	1	Tournament Western Cape HS Individuals Championship 2024				Tournament Western Cape HS Individuals Championship 2024
		date 2024-03-22	rnd 6	type Standard	result 1	date 2024-03-22	rnd 6	type Standard	result 1
		Opponent Van Der Westhuizen, S (Shandre)				Opponent Van Der Westhuizen, S (Shandre)
3	1	Tournament Western Cape HS Individuals Championship 2024				Tournament Western Cape HS Individuals Championship 2024
		date 2024-03-21	rnd 3	type Standard	result 0.5	date 2024-03-21	rnd 3	type Standard	result 0.5
		Opponent Grobbelaar, C (Chanelle)				Opponent Grobbelaar, C (Chanelle)

#	Games	Start				End
1	4	Tournament West Coast Schools Chess Prestige Championships 2024				Tournament Bo-Weskus Skole Skaak Top Skole 2024
		date 2024-02-24	rnd 4	type Rapid	result 1	date 2024-05-11	rnd 2	type Rapid	result 1
		Opponent Diergaardt, L (Lee-Heine)				Opponent Swarts, F (Faqir)
2	2	Tournament Bo-Weskus Skole Skaak Top Skole 2024				Tournament Bo-Weskus Skole Skaak Top Skole 2024
		date 2024-05-11	rnd 4	type Rapid	result 1	date 2024-05-11	rnd 5	type Rapid	result 1
		Opponent Koegelenberg, L (Louw)				Opponent Diedericks, T (Teswell)
3	2	Tournament Bo-Weskus Skole Prestige 2024				Tournament Bo-Weskus Skole Prestige 2024
		date 2024-02-10	rnd 1	type Rapid	result 1	date 2024-02-10	rnd 2	type Rapid	result 1
		Opponent Cloete, T (Tashlynn)				Opponent Van Staden, L (Laurenzia)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Western Cape HS Individuals Championship 2024				Tournament Bo-Weskus Skole Skaak Top Skole 2024
		date 2024-03-22	rnd 6	type Standard	result 1	date 2024-05-11	rnd 2	type Rapid	result 1
		Opponent Van Der Westhuizen, S (Shandre)				Opponent Swarts, F (Faqir)
2	3	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 1	type Standard	result 1	date 2023-09-02	rnd 3	type Standard	result 1
		Opponent Phillips, Z (Zara-Leigh)				Opponent Brink, A (Anika)
3	2	Tournament Bo-Weskus Skole Skaak Top Skole 2024				Tournament Bo-Weskus Skole Skaak Top Skole 2024
		date 2024-05-11	rnd 4	type Rapid	result 1	date 2024-05-11	rnd 5	type Rapid	result 1
		Opponent Koegelenberg, L (Louw)				Opponent Diedericks, T (Teswell)

#	Games	Start				End
1	3	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 1	type Standard	result 1	date 2023-09-02	rnd 3	type Standard	result 1
		Opponent Phillips, Z (Zara-Leigh)				Opponent Brink, A (Anika)
2	1	Tournament Western Cape HS Individuals Championship 2024				Tournament Western Cape HS Individuals Championship 2024
		date 2024-03-22	rnd 6	type Standard	result 1	date 2024-03-22	rnd 6	type Standard	result 1
		Opponent Van Der Westhuizen, S (Shandre)				Opponent Van Der Westhuizen, S (Shandre)
3	1	Tournament Bo-Weskus Skole Prestige 2020				Tournament Bo-Weskus Skole Prestige 2020
		date 2020-02-15	rnd 4	type Standard	result 1	date 2020-02-15	rnd 4	type Standard	result 1
		Opponent Landu, A (Asive)				Opponent Landu, A (Asive)

#	Games	Start				End
1	4	Tournament West Coast Schools Chess Prestige Championships 2024				Tournament Bo-Weskus Skole Skaak Top Skole 2024
		date 2024-02-24	rnd 4	type Rapid	result 1	date 2024-05-11	rnd 2	type Rapid	result 1
		Opponent Diergaardt, L (Lee-Heine)				Opponent Swarts, F (Faqir)
2	2	Tournament Bo-Weskus Skole Skaak Top Skole 2024				Tournament Bo-Weskus Skole Skaak Top Skole 2024
		date 2024-05-11	rnd 4	type Rapid	result 1	date 2024-05-11	rnd 5	type Rapid	result 1
		Opponent Koegelenberg, L (Louw)				Opponent Diedericks, T (Teswell)
3	2	Tournament Bo-Weskus Skole Prestige 2024				Tournament Bo-Weskus Skole Prestige 2024
		date 2024-02-10	rnd 1	type Rapid	result 1	date 2024-02-10	rnd 2	type Rapid	result 1
		Opponent Cloete, T (Tashlynn)				Opponent Van Staden, L (Laurenzia)

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 Zyl ,M (Mea)	2	0	-425	0	0	0	2	0	-425	0	0	0
1	Van Zyl ,M (Mea)	2	1510.4	1085.4	0	0	0	2	1476.2	1085.4	0	0	0
2	Samuels ,Z (Zelnita)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Samuels ,Z (Zelnita)	1	500	75	1	500	75	0	0	0	0	0	0
3	Van Eden ,I (Isabella)	1	1	425	1	1	425	0	0	0	0	0	0
3	Van Eden ,I (Isabella)	1	1165	1590	1	1200	1590	0	0	0	0	0	0
4	Mattheus ,E (Elcay)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Mattheus ,E (Elcay)	1	1259.6	834.6	1	1293.4	834.6	0	0	0	0	0	0
5	Grobbelaar ,C (Chanelle)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Grobbelaar ,C (Chanelle)	1	1236	1236	1	1214.3	1236	0	0	0	0	0	0
6	Beyers ,S (Shireen)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Beyers ,S (Shireen)	1	1195	770	1	1185.6	770	0	0	0	0	0	0
7	October ,K (Katelin)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	October ,K (Katelin)	1	1499.2	1074.2	1	1494.5	1074.2	0	0	0	0	0	0
8	Windvogel ,E (Elzonia)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Windvogel ,E (Elzonia)	1	963.2	538.2	1	938.1	538.2	0	0	0	0	0	0
9	Van Wyk ,J (Jomanique)	1	1	425	1	1	425	0	0	0	0	0	0
9	Van Wyk ,J (Jomanique)	1	632.9	1057.9	1	646.2	1057.9	0	0	0	0	0	0
10	Pretorius ,A (Amanda Karen)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Pretorius ,A (Amanda Karen)	1	1283.4	858.4	1	1225.8	858.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Roothman, M (Marrit)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms