Chess South Africa Ratings Database

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Personal

Nortje, M (Melvinia)

Chess SA id

2070137625

FIDE id

Date of birth

2007-02-11 (U20)

Gender

Female

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-27

Personal details last changed

1900-01-01

Junior GPX Games

17.5

Junior GPX Points

1121.9

Item	Main	Standard	Rapid	Blitz
Rating	1114.2	1015.9	1174.4	1200
Raw rating	1114.2	1015.9	1174.4	1200
Weighted rating	1072.7	996.5	1158	1200
Weighted performance	1019	921.9	980.8	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	187.4	215.5	172	165.8
Highest rating	1200 2018-10-01	1329.2 2022-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01
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	1329.2 2022-08-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1114.2	1015.9	1174.4	1200
Analysis
Rating	1114.2	1015.9	1174.4	1200
Raw rating	1114.2	1015.9	1174.4	1200
Weighted rating	1072.7	996.5	1158
Weighted performance	1019	921.9	980.8
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	187.4	215.5	172	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	1114.2	1015.9	1174.4	1200
New weighted rating	1077.7	998.4	1160.1	1200
New weighted performance	1018.6	921.5	980.4	0
Temp new rating	1114.2	1015.9	1174.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1114.2	1015.9	1174.4	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	15	15	0
	28	14	14
	30	21	9
	21	17	4
	0	0	0
History	94	67	27

Games since
	Main 48	Standard 29		Rapid 19		Blitz 0
Gender	Female
Age group	U20
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	4351		1457		228
Female	1124		465		88
U20	299		109		23
U20 Female	72		24		7
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	15	7	46.67	-28.3	1132.3	1104
Standard	15	7	46.67	-28.3	1132.3	1104
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	94	31.5	33.51	-140.2	1175	1034.9
Standard	67	19.5	29.1	-177.6	1174.8	997.2
Rapid	27	12	44.44	-47.2	1175.5	1128.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1114.2	1015.9	1174.4	1200
2025-09-01	1114.2	1015.9	1174.4	1200
2025-08-01	1114.2	1015.9	1174.4	1200
2025-07-01	1114.2	1015.9	1174.4	1200
2025-06-01	1114.2	1015.9	1174.4	1200
2025-05-01	1114.2	1015.9	1174.4	1200
2025-04-01	1164.8	1070.5	1174.4	1200
2025-03-01	1096.9	1022.2	1174.4	1200
2025-02-01	1045.7	972.9	1174.4	1200
2025-01-01	1045.7	953.6	1174.4	1200
2024-12-01	1045.7	953.6	1174.4	1200
2024-11-01	1045.7	953.6	1174.4	1200
2024-10-01	983.3	953.6	1100.4	1200
2024-09-01	983.3	953.6	1100.4	1200
2024-08-01	990.1	961.6	1100.4	1200
2024-07-01	990.1	961.6	1100.4	1200
2024-06-01	990.1	961.6	1100.4	1200
2024-08-01	988.9	961.6	1121.2	1200
2024-04-01	988.9	961.6	1121.2	1200
2024-03-01	1037.4	1013.2	1121.2	1200
2024-02-01	1037.1	1013.2	1148.8	1200
2024-01-01	1046.1	1017.2	1148.8	1200
2023-12-01	1046.1	1017.2	1148.8	1200
2023-11-01	1046.1	1017.2	1148.8	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 Schools Individual Championship 2025 (U19 Girls)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	5	1	Yes	Analysis
2	Cape Winelands Schools Prestige 2025 (U19 Girls)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
3	Cape Winelands Schools - Trials 1 2025 (U19 Girls)	2025-02-08	2025-02-08	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools Individual Championship 2025 (U19 Girls)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	5	1	Yes	Analysis
2	Cape Winelands Schools Prestige 2025 (U19 Girls)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
3	Cape Winelands Schools - Trials 1 2025 (U19 Girls)	2025-02-08	2025-02-08	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
4	Worcester Knock-Out 2024 (U18 Girls)	2024-10-19	2024-10-19	Rapid	Cape Winelands (WCW)	5	5	4	Yes	Analysis
5	Western Cape Women�s Championship 2024 (Advanced)	2024-08-08	2024-08-11	Standard	West Coast (WCU)	6	3	0	Yes	Analysis
6	Robertson Strategema Chess May 2024 (Open)	2024-05-11	2024-05-11	Rapid	Cape Winelands (WCW)	5	4	1	Yes	Analysis
7	Cape Winelands Schools - Prestige 2024 (U18 Girls)	2024-03-02	2024-03-02	Standard	Cape Winelands (WCW)	5	5	0.5	Yes	Analysis
8	Cape Winelands Schools - HS Trials 1 2024 (U18 Girls)	2024-02-17	2024-02-17	Rapid	Cape Winelands (WCW)	6	5	2	Yes	Analysis
9	Cape Winelands - Marie Delport Memorial 2024 (Ladies)	2024-01-27	2024-01-28	Standard	Cape Winelands (WCW)	6	6	1	Yes	Analysis
10	Worcester Knock-Out 2023 (U18 Girls)	2023-10-14	2023-10-14	Rapid	Cape Winelands (WCW)	6	5	3	Yes	Analysis
11	CW Top Schools 2023 (U15+U18 Girls)	2023-08-26	2023-08-26	Rapid	Cape Winelands (WCW)	5	4	1	Yes	Analysis
12	CW Top Schools 2023 (Intermediate)	2023-08-12	2023-08-12	Standard	West Coast (WCU)	5	5	2.5	Yes	Analysis
13	Cape Winelands Open 2023 (Intermediate)	2023-07-22	2023-07-23	Standard	Cape Winelands (WCW)	6	6	1	Yes	Analysis
14	Cape Winelands Schools Prestige 2023 (U17 Girls)	2023-03-11	2023-03-11	Standard	Cape Winelands (WCW)	5	5	0.5	Yes	Analysis
15	Cape Winelands Schools Chess - Trials 1 2023 (U17 Girls)	2023-02-25	2023-02-25	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
16	Western Cape Top Schools 2022 (U18 Girls)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	5	0	Yes	Analysis
17	Western Cape Woman`s Championship 2022 (Development)	2022-09-03	2022-09-03	Standard	West Coast (WCU)	5	5	2	Yes	Analysis
18	Cape Winelands Schools Top Schools 2022 (U15+U18 Girls)	2022-08-27	2022-08-27	Standard	Cape Winelands (WCW)	5	3	3	Yes	Analysis
19	Cape Winelands Schools 2022 (U15 Girls)	2022-03-05	2022-03-05	Standard	Cape Winelands (WCW)	5	4	0	Yes	Analysis
20	Worcester Schools Trials 2022 (U15 Girls)	2022-02-19	2022-02-19	Rapid	Cape Winelands (WCW)	5	4	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Prestige 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Jacobs, M (Michelle)				Opponent Keyster, F (Farren)
2	3	Tournament Worcester Knock-Out 2023				Tournament Cape Winelands - Marie Delport Memorial 2024
		date 2023-10-14	rnd 5	type Rapid	result 1	date 2024-01-27	rnd 1	type Standard	result 1
		Opponent Arnoldus, M (Marceline)				Opponent Bald, T (Terelga)
3	3	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-12	rnd 3	type Standard	result 1	date 2023-08-12	rnd 5	type Standard	result 0.5
		Opponent Meloyer, M (Meleah)				Opponent Koegelenberg, U (Ulrich)

#	Games	Start				End
1	4	Tournament CW Top Schools 2023				Tournament Cape Winelands - Marie Delport Memorial 2024
		date 2023-08-12	rnd 3	type Standard	result 1	date 2024-01-27	rnd 1	type Standard	result 1
		Opponent Meloyer, M (Meleah)				Opponent Bald, T (Terelga)
2	3	Tournament Cape Winelands Schools Prestige 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Jacobs, M (Michelle)				Opponent Keyster, F (Farren)
3	3	Tournament Cape Winelands Schools Top Schools 2022				Tournament Cape Winelands Schools Top Schools 2022
		date 2022-08-27	rnd 1	type Standard	result 1	date 2022-08-27	rnd 5	type Standard	result 1
		Opponent Goosen, M (Mizan)				Opponent Benden, I (Isabella)

#	Games	Start				End
1	2	Tournament Worcester Knock-Out 2024				Tournament Worcester Knock-Out 2024
		date 2024-10-19	rnd 4	type Rapid	result 1	date 2024-10-19	rnd 5	type Rapid	result 1
		Opponent Pekeur, N (Nicole)				Opponent Visagie, T (Taugeedah)
2	2	Tournament Worcester Knock-Out 2024				Tournament Worcester Knock-Out 2024
		date 2024-10-19	rnd 1	type Rapid	result 1	date 2024-10-19	rnd 2	type Rapid	result 1
		Opponent Visser, J (Jadine)				Opponent Springveldt, D (Deileeya)
3	2	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 5	type Rapid	result 1	date 2024-02-17	rnd 6	type Rapid	result 1
		Opponent Papa, L (Lindsay)				Opponent Julius, A (Amy)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Prestige 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Jacobs, M (Michelle)				Opponent Keyster, F (Farren)
2	3	Tournament Worcester Knock-Out 2023				Tournament Cape Winelands - Marie Delport Memorial 2024
		date 2023-10-14	rnd 5	type Rapid	result 1	date 2024-01-27	rnd 1	type Standard	result 1
		Opponent Arnoldus, M (Marceline)				Opponent Bald, T (Terelga)
3	3	Tournament Cape Winelands Schools Top Schools 2022				Tournament Cape Winelands Schools Top Schools 2022
		date 2022-08-27	rnd 1	type Standard	result 1	date 2022-08-27	rnd 5	type Standard	result 1
		Opponent Goosen, M (Mizan)				Opponent Benden, I (Isabella)

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Prestige 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Jacobs, M (Michelle)				Opponent Keyster, F (Farren)
2	3	Tournament Cape Winelands Schools Top Schools 2022				Tournament Cape Winelands Schools Top Schools 2022
		date 2022-08-27	rnd 1	type Standard	result 1	date 2022-08-27	rnd 5	type Standard	result 1
		Opponent Goosen, M (Mizan)				Opponent Benden, I (Isabella)
3	2	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-08	rnd 2	type Standard	result 1	date 2025-02-08	rnd 3	type Standard	result 1
		Opponent Jacobs, M (Michelle)				Opponent Alkaster, M (Mianca)

#	Games	Start				End
1	2	Tournament Worcester Knock-Out 2024				Tournament Worcester Knock-Out 2024
		date 2024-10-19	rnd 4	type Rapid	result 1	date 2024-10-19	rnd 5	type Rapid	result 1
		Opponent Pekeur, N (Nicole)				Opponent Visagie, T (Taugeedah)
2	2	Tournament Worcester Knock-Out 2024				Tournament Worcester Knock-Out 2024
		date 2024-10-19	rnd 1	type Rapid	result 1	date 2024-10-19	rnd 2	type Rapid	result 1
		Opponent Visser, J (Jadine)				Opponent Springveldt, D (Deileeya)
3	2	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 5	type Rapid	result 1	date 2024-02-17	rnd 6	type Rapid	result 1
		Opponent Papa, L (Lindsay)				Opponent Julius, A (Amy)

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	Springveldt ,D (Deileeya)	6	3	0	4	2	0	2	1	0	0	0	0
1	Springveldt ,D (Deileeya)	6	1109.2	1109.2	4	1113.9	1109.2	2	1057.2	1109.2	0	0	0
2	Alkaster ,M (Mianca)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
2	Alkaster ,M (Mianca)	3	1174	1457.3	3	1168.4	1457.3	0	0	0	0	0	0
3	Keyster ,F (Farren)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
3	Keyster ,F (Farren)	3	1084.8	943.1	2	1147.7	1084.8	1	1030.4	659.8	0	0	0
4	Diergaardt ,L (Lee-Heine)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Diergaardt ,L (Lee-Heine)	2	1138.1	713.1	2	1035.6	713.1	0	0	0	0	0	0
5	Jacobs ,M (Michelle)	2	2	425	2	2	425	0	0	0	0	0	0
5	Jacobs ,M (Michelle)	2	1120.2	1545.2	2	1165.7	1545.2	0	0	0	0	0	0
6	Swarts ,J (Junay)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Swarts ,J (Junay)	2	1086.1	661.1	2	1084.2	661.1	0	0	0	0	0	0
7	Steenkamp ,L (Lindall)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Steenkamp ,L (Lindall)	2	1189.2	764.2	2	1144.2	764.2	0	0	0	0	0	0
8	Jacobs ,J (Jofesline)	2	0	-425	1	0	-425	1	0	-425	0	0	0
8	Jacobs ,J (Jofesline)	2	1051.1	626.1	1	1085.6	626.1	1	1035.2	626.1	0	0	0
9	Johnson ,L (Lakeisha)	2	0	-425	1	0	-425	1	0	-425	0	0	0
9	Johnson ,L (Lakeisha)	2	1554.3	1129.3	1	1543.7	1129.3	1	1385.9	1129.3	0	0	0
10	Jacobs ,J (Janine)	2	2	425	0	0	0	2	2	425	0	0	0
10	Jacobs ,J (Janine)	2	1077.8	1502.8	0	0	0	2	1169.6	1502.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Nortje, M (Melvinia)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms