Chess South Africa Ratings Database

PLAYER PAGE

Personal

Lockem , M (Marli)

Chess SA id

2100097164

FIDE id

Date of birth

2010-04-21 (U16)

Gender

Female

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-10-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1237	1246.3	1147.6	1200
Raw rating	1237	1246.3	1147.6	1200
Weighted rating	1237	1246.3	1147.6	1200
Weighted performance	737.6	619	497.5	0
Floor	737	746.3	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	157.3	155.2	178.7	165.8
Highest rating	1237 2024-03-01	1246.3 2024-03-01	1200 2018-02-01	1200 2018-10-01
Highest raw rating	1237 2024-03-01	1246.3 2024-03-01	1200 2018-02-01	1200 2024-03-01
Highest weighted rating	1237 2025-02-01	1246.3 2024-10-01	1200 2018-02-01	1200 2018-10-01
Highest weighted performance	1227.1 2022-10-01	1219.4 2019-05-01	1200 2024-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1237	1246.3	1147.6	1200
Analysis
Rating	1237	1246.3	1147.6	1200
Raw rating	1237	1246.3	1147.6	1200
Weighted rating	1237	1246.3	1147.6
Weighted performance	737.6	619	497.5
K-factor	36	36	36	36
Floor	737	746.3	700	700
Max/Min rating change allowed	157.3	155.2	178.7	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	1237	1246.3	1147.6	1200
New weighted rating	1237	1246.3	1147.6	1200
New weighted performance	730.2	611.5	490.8	0
Temp new rating	1237	1246.3	1147.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1237	1246.3	1147.6	1200
New K-factor	36	36	36	36
New floor	737	746.3	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	19	10	9
	0	0	0
History	92	47	45

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U16
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 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	92	44.5	48.37	-13.9	1169.7	1155.9
Standard	47	24.5	52.13	18.1	1187.6	1205.7
Rapid	45	20	44.44	-47.2	1151	1103.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1237	1246.3	1147.6	1200
2025-09-30	1237	1246.3	1147.6	1200
2025-09-01	1237	1246.3	1147.6	1200
2025-08-01	1237	1246.3	1147.6	1200
2025-07-01	1237	1246.3	1147.6	1200
2025-06-01	1237	1246.3	1147.6	1200
2025-05-01	1237	1246.3	1147.6	1200
2025-04-01	1237	1246.3	1147.6	1200
2025-03-01	1237	1246.3	1147.6	1200
2025-02-01	1237	1246.3	1147.6	1200
2025-01-01	1237	1246.3	1147.6	1200
2024-12-01	1237	1246.3	1147.6	1200
2024-11-01	1237	1246.3	1147.6	1200
2024-10-01	1237	1246.3	1147.6	1200
2024-09-01	1237	1246.3	1147.6	1200
2024-08-01	1237	1246.3	1147.6	1200
2024-07-01	1237	1246.3	1147.6	1200
2024-09-01	1237	1246.3	1147.6	1200
2024-05-01	1237	1246.3	1147.6	1200
2024-04-01	1237	1246.3	1147.6	1200
2024-03-01	1237	1246.3	1147.6	1200
2024-02-01	1237	1246.3	1147.6	1200
2024-01-01	1237	1246.3	1147.6	1200
2023-12-01	1237	1246.3	1147.6	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	Robertson Strategema Club 2022 (U13)	2022-10-29	2022-10-29	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
2	Strategema 2022 (U13)	2022-09-10	2022-09-10	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
3	Strategema Chess Festival 2022 (U13 Girls)	2022-05-14	2022-05-14	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis
4	McGregor Kings Chess Festival 2022 (U13)	2022-04-09	2022-04-09	Rapid	Cape Winelands (WCW)	5	4	1	Yes	Analysis
5	Cape Winelands Schools Trials 1 2020 (U11 Girls)	2020-02-08	2020-02-08	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
6	2019 South African Junior Team Championships (U12 Girls)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	6	3	Yes	Analysis
7	Robertson Strategema 2019 (U9)	2019-10-05	2019-10-05	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
8	2019 WP Youth Open (D)	2019-07-13	2019-07-13	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
9	Cape Winelands Schools - Top Schools 2019 (U13 Mix)	2019-07-27	2019-07-27	Rapid	Cape Winelands (WCW)	5	4	2.5	Yes	Analysis
10	South African Schools Individuals Chess Championships 2019 (U11 Girls)	2019-06-18	2019-06-21	Standard	Frances Baard (NCF)	7	7	2.5	Yes	Analysis
11	Western Cape Schools Individuals 2019 (U9 Girls)	2019-05-18	2019-05-19	Standard	Eden (WEG)	6	6	4	Yes	Analysis
12	Cape Winelands Schools Closed 2019 (U9 Girls)	2019-03-16	2019-03-17	Standard	Cape Winelands (WCW)	7	7	4	Yes	Analysis
13	CW Schools Open 2019 (U7+U9 Girls)	2019-02-02	2019-02-02	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
14	Strategema Robertson 2018 (U9)	2018-09-08	2018-09-08	Rapid	Cape Winelands (WCW)	7	5	1	Yes	Analysis
15	Cape Winelands Schools Trials 1 2018 (U9 Girls)	2018-03-03	2018-03-03	Rapid	Cape Winelands (WCW)	6	6	2	Yes	Analysis
16	Cape Winelands Schools Prestige 2018 (U9 Girls)	2018-03-24	2018-03-25	Standard	Cape Winelands (WCW)	7	6	1	Yes	Analysis
17	North Boland Trials 2018 (U9 Girls)	2018-02-17	2018-02-17	Rapid	Cape Winelands (WCW)	5	4	1.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament Strategema 2022				Tournament Robertson Strategema Club 2022
		date 2022-09-10	rnd 3	type Standard	result 1	date 2022-10-29	rnd 2	type Standard	result 1
		Opponent Pitirosi, E (Enrique)				Opponent Van Der Merwe, S (Sumari)
2	5	Tournament Cape Winelands Schools - Top Schools 2019				Tournament Robertson Strategema 2019
		date 2019-07-27	rnd 2	type Rapid	result 1	date 2019-10-05	rnd 2	type Rapid	result 1
		Opponent Nel, H (Heyley)				Opponent Steenkamp, I (Isabella)
3	4	Tournament Cape Winelands Schools Closed 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-03-17	rnd 6	type Standard	result 1	date 2019-05-18	rnd 2	type Standard	result 1
		Opponent Steenkamp, N (Nicole)				Opponent Van Staden, L (Laurenzia)

#	Games	Start				End
1	5	Tournament Strategema 2022				Tournament Robertson Strategema Club 2022
		date 2022-09-10	rnd 3	type Standard	result 1	date 2022-10-29	rnd 2	type Standard	result 1
		Opponent Pitirosi, E (Enrique)				Opponent Van Der Merwe, S (Sumari)
2	4	Tournament Cape Winelands Schools Closed 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-03-17	rnd 6	type Standard	result 1	date 2019-05-18	rnd 2	type Standard	result 1
		Opponent Steenkamp, N (Nicole)				Opponent Van Staden, L (Laurenzia)
3	3	Tournament Cape Winelands Schools Closed 2019				Tournament Cape Winelands Schools Closed 2019
		date 2019-03-16	rnd 2	type Standard	result 0.5	date 2019-03-16	rnd 4	type Standard	result 1
		Opponent Cupido, C (Caylah)				Opponent Viljoen, L (Lienka)

#	Games	Start				End
1	5	Tournament Cape Winelands Schools - Top Schools 2019				Tournament Robertson Strategema 2019
		date 2019-07-27	rnd 2	type Rapid	result 1	date 2019-10-05	rnd 2	type Rapid	result 1
		Opponent Nel, H (Heyley)				Opponent Steenkamp, I (Isabella)
2	3	Tournament CW Schools Open 2019				Tournament CW Schools Open 2019
		date 2019-02-02	rnd 4	type Rapid	result 1	date 2019-02-02	rnd 6	type Rapid	result 1
		Opponent Karriem, Z (Zara)				Opponent Swart, R (Runay)
3	2	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-08	rnd 1	type Rapid	result 1	date 2020-02-08	rnd 2	type Rapid	result 1
		Opponent Erasmus, C (Chalerne)				Opponent Swartz, K (Kelly)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Strategema 2022				Tournament Robertson Strategema Club 2022
		date 2022-09-10	rnd 3	type Standard	result 1	date 2022-10-29	rnd 2	type Standard	result 1
		Opponent Pitirosi, E (Enrique)				Opponent Van Der Merwe, S (Sumari)
2	3	Tournament 2019 South African Junior Team Championships				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-01-08	rnd 7	type Standard	result 1	date 2020-02-08	rnd 2	type Rapid	result 1
		Opponent Viviers, C (Cara)				Opponent Swartz, K (Kelly)
3	3	Tournament CW Schools Open 2019				Tournament CW Schools Open 2019
		date 2019-02-02	rnd 4	type Rapid	result 1	date 2019-02-02	rnd 6	type Rapid	result 1
		Opponent Karriem, Z (Zara)				Opponent Swart, R (Runay)

#	Games	Start				End
1	5	Tournament Strategema 2022				Tournament Robertson Strategema Club 2022
		date 2022-09-10	rnd 3	type Standard	result 1	date 2022-10-29	rnd 2	type Standard	result 1
		Opponent Pitirosi, E (Enrique)				Opponent Van Der Merwe, S (Sumari)
2	2	Tournament 2019 South African Junior Team Championships				Tournament Strategema 2022
		date 2020-01-08	rnd 7	type Standard	result 1	date 2022-09-10	rnd 1	type Standard	result 1
		Opponent Viviers, C (Cara)				Opponent Hanse, C (Cole)
3	2	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-04	rnd 2	type Standard	result 1	date 2020-01-05	rnd 3	type Standard	result 1
		Opponent Minnaar, R (Rochelle)				Opponent Wewers, I (Izelle)

#	Games	Start				End
1	3	Tournament CW Schools Open 2019				Tournament CW Schools Open 2019
		date 2019-02-02	rnd 4	type Rapid	result 1	date 2019-02-02	rnd 6	type Rapid	result 1
		Opponent Karriem, Z (Zara)				Opponent Swart, R (Runay)
2	2	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-08	rnd 1	type Rapid	result 1	date 2020-02-08	rnd 2	type Rapid	result 1
		Opponent Erasmus, C (Chalerne)				Opponent Swartz, K (Kelly)
3	2	Tournament Robertson Strategema 2019				Tournament Robertson Strategema 2019
		date 2019-10-05	rnd 1	type Rapid	result 1	date 2019-10-05	rnd 2	type Rapid	result 1
		Opponent Moller, A (Armand)				Opponent Steenkamp, I (Isabella)

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	Crotz ,K (Kirsten)	3	0	-425	1	0	-425	2	0	-425	0	0	0
1	Crotz ,K (Kirsten)	3	586.9	161.9	1	560.4	161.9	2	538.2	161.9	0	0	0
2	Van Deventer ,L (Lia)	3	0	-425	0	0	0	3	0	-425	0	0	0
2	Van Deventer ,L (Lia)	3	1247.7	822.7	0	0	0	3	1254.1	822.7	0	0	0
3	Viljoen ,L (Lienka)	2	1	0	2	1	0	0	0	0	0	0	0
3	Viljoen ,L (Lienka)	2	1302.8	1302.8	2	1285.1	1302.8	0	0	0	0	0	0
4	Fredericks ,A (Anoeska)	2	0	-425	1	0	-425	1	0	-425	0	0	0
4	Fredericks ,A (Anoeska)	2	1200	775	1	1200	775	1	1200	775	0	0	0
5	Harris ,T (Tyler)	2	1	0	1	1	425	1	0	-425	0	0	0
5	Harris ,T (Tyler)	2	1166.5	1166.5	1	1138.8	1591.5	1	1121.6	741.5	0	0	0
6	Mnxakwe ,I (Indiphile)	2	2	425	1	1	425	1	1	425	0	0	0
6	Mnxakwe ,I (Indiphile)	2	1157.3	1582.3	1	1200	1582.3	1	1161.6	1582.3	0	0	0
7	Smit ,M (Marle)	2	0.5	-212.5	1	0.5	0	1	0	-425	0	0	0
7	Smit ,M (Marle)	2	1189.9	977.4	1	1200	1189.9	1	1200	764.9	0	0	0
8	Neethling ,A (Ashrique)	2	0	-425	1	0	-425	1	0	-425	0	0	0
8	Neethling ,A (Ashrique)	2	1274.1	849.1	1	1200	849.1	1	1226	849.1	0	0	0
9	Steyn ,N (Nicole)	2	1	0	1	0	-425	1	1	425	0	0	0
9	Steyn ,N (Nicole)	2	1176	1176	1	1200	751	1	1160	1601	0	0	0
10	Groenewald ,A (Ancha)	2	0	-425	0	0	0	2	0	-425	0	0	0
10	Groenewald ,A (Ancha)	2	1236	811	0	0	0	2	1321.2	811	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Lockem , M (Marli)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms