Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mackenzie, E (Erin-Lee)

Chess SA id

2080110744

FIDE id

Date of birth

2008-03-03 (U18)

Gender

Female

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-27

Personal details last changed

1900-01-01

Junior GPX Games

16.5

Junior GPX Points

1106.1

Item	Main	Standard	Rapid	Blitz
Rating	1221.2	1158.3	1296.2	1148.1
Raw rating	1221.2	1158.3	1295.1	1148.1
Weighted rating	1211.1	1138.5	1296.2	1142.6
Weighted performance	1119.7	1033.7	1099.6	0
Floor	786.6	700	807.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	160.9	176	144.8	178.5
Highest rating	1320.6 2023-08-01	1200 2018-02-01	1307.8 2024-03-01	1200 2018-10-01
Highest raw rating	1286.6 2024-03-01	1200 2018-02-01	1307.8 2024-03-01	1200 2024-03-01
Highest weighted rating	1210.3 2025-08-01	1200 2018-02-01	1307.8 2025-02-01	1200 2018-10-01
Highest weighted performance	1320.6 2023-08-01	1200 2018-02-01	1306.9 2024-01-01	1200 2019-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0.3	0
New rating	1221.2	1158.3	1296.5	1148.1
Analysis
Rating	1221.2	1158.3	1296.2	1148.1
Raw rating	1221.2	1158.3	1295.1	1148.1
Weighted rating	1211.1	1138.5	1296.2
Weighted performance	1119.7	1033.7	1099.6
K-factor	36	36	36	36
Floor	786.6	700	807.8	700
Max/Min rating change allowed	160.9	176	144.8	178.5
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	1221.2	1158.3	1295.1	1148.1
New weighted rating	1211.6	1140.4	1296.5	1142.6
New weighted performance	1119.3	1033.3	1099.1	0
Temp new rating	1221.2	1158.3	1296.5	1148.1
Temp new rating +/-	0	0	0.3	0
Final new rating +/-	0	0	0.3	0
New rating	1221.2	1158.3	1296.5	1148.1
New K-factor	36	36	36	36
New floor	786.6	700	807.8	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	22	11	11	0
	37	18	13	6
	24	14	10	0
	16	11	5	0
	0	0	0	0
History	108	63	39	6

Games since
	Main 59	Standard 29		Rapid 24		Blitz 6
Gender	Female
Age group	U18
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	3870		1283		118
Female	910		373		43
U18	575		174		16
U18 Female	106		43		5
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	1063		542		62
Female	183		104		17
U18	139		71		5
U18 Female	13		9		2
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	22	10.5	47.73	-19.3	1249.1	1229.8
Standard	11	5	45.45	-38.6	1276.5	1237.8
Rapid	11	5.5	50	0	1221.8	1221.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	108	49.5	45.83	-35.4	1225.1	1189.7
Standard	63	24.5	38.89	-94.4	1210	1115.6
Rapid	39	24	61.54	98.1	1231.3	1329.4
Blitz	6	1	16.67	-283.3	1343.6	1060.3

Date	Main	Standard	Rapid	Blitz
2025-09-30	1221.2	1158.3	1295.1	1148.1
2025-09-01	1221.2	1158.3	1295.1	1148.1
2025-08-01	1221.2	1158.3	1295.1	1148.1
2025-07-01	1221.2	1158.3	1294.2	1148.1
2025-06-01	1221.2	1158.3	1293.3	1148.1
2025-05-01	1221.2	1158.3	1292.2	1148.1
2025-04-01	1227.2	1151.7	1290.9	1148.1
2025-03-01	1210.6	1122.3	1287.5	1148.1
2025-02-01	1205.1	1121.4	1301.3	1147.8
2025-01-01	1189.2	1116.4	1301.3	1125.1
2024-12-01	1189.2	1116.4	1301.3	1125.1
2024-11-01	1189.2	1116.4	1301.3	1125.1
2024-10-01	1189.2	1116.4	1301.3	1125.1
2024-09-01	1189.2	1116.4	1301.3	1125.1
2024-08-01	1189.2	1116.4	1301.3	1125.1
2024-07-01	1195.8	1116	1301.3	1125.1
2024-06-01	1184.8	1116	1307.8	1125.1
2024-08-01	1184.8	1116	1307.8	1125.1
2024-04-01	1184.8	1116	1307.8	1125.1
2024-03-01	1286.6	1145.2	1307.8	1200
2024-02-01	1283	1145.2	1307.1	1200
2024-01-01	1243.4	1145.2	1237.6	1200
2023-12-01	1243.4	1145.2	1237.6	1200
2023-11-01	1243.4	1145.2	1237.6	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 (U17 Girls)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	2	Yes	Analysis
2	Overberg Schools - HS Closed 2025 (U17 Girls)	2025-03-22	2025-03-22	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
3	Overberg Schools - HS Trials 2025 (U17 Girls)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
4	Overberg Schools & Federation Open 2025 (U17)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	5	2.5	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 (U17 Girls)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	2	Yes	Analysis
2	Overberg Schools - HS Closed 2025 (U17 Girls)	2025-03-22	2025-03-22	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
3	Overberg Schools - HS Trials 2025 (U17 Girls)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
4	Overberg Schools & Federation Open 2025 (U17)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	5	2.5	Yes	Analysis
5	Overberg Schools - Top Schools 2024 (U18 Mixed)	2024-07-27	2024-07-27	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
6	Western Cape - Kings and Queens 2024 (Girls)	2024-06-08	2024-06-08	Rapid	Overberg (WOS)	5	3	1.5	Yes	Analysis
7	Western Cape Inter Region Cup 2024 (Ladies)	2024-03-23	2024-03-24	Standard	Overberg (WOS)	5	4	0	Yes	Analysis
8	Western Cape Inter Region Cup 2024 (Blitz)	2024-03-22	2024-03-22	Blitz	Overberg (WOS)	7	6	1	Yes	Analysis
9	Western Cape HS Individuals Championship 2024 (U18 Girls)	2024-03-21	2024-03-22	Standard	Overberg (WOS)	6	6	2	Yes	Analysis
10	Overberg High Schools Trails 2024 (U18 Girls)	2024-03-02	2024-03-02	Standard	Overberg (WOS)	5	4	2.5	Yes	Analysis
11	Overberg High Schools Trails 2024 (U18)	2024-02-24	2024-02-24	Rapid	Overberg (WOS)	5	5	3	Yes	Analysis
12	Overberg Open Rapid 2024 (U17)	2024-01-27	2024-01-27	Rapid	Overberg (WOS)	5	5	5	Yes	Analysis
13	Western Cape Top Schools 2023 (U15 Mixed)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	4	1	Yes	Analysis
14	Overberg Top Schools 2023 (U15+U18)	2023-08-05	2023-08-05	Standard	Overberg (WOS)	5	5	5	Yes	Analysis
15	Overberg High School Closed 2023 (U15 Girls)	2023-03-25	2023-03-25	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
16	Overberg High Schools Trails 2023 (U15)	2023-02-24	2023-02-24	Rapid	Overberg (WOS)	5	5	3	Yes	Analysis
17	Overberg Schools Open Tournament 2023 (U16)	2023-02-11	2023-02-11	Rapid	Overberg (WOS)	5	5	3	Yes	Analysis
18	OCF Youth Day Tournament 2022 (C)	2022-06-18	2022-06-18	Rapid	Overberg (WOS)	5	5	3	Yes	Analysis
19	Western Cape Schools Chess 2022 (U15 Girls)	2022-05-07	2022-05-08	Standard	Eden (WEG)	6	6	1	Yes	Analysis
20	Overberg 2022 (U15 Girls)	2022-03-05	2022-03-05	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
21	Overberg First Trial 2019 (U12)	2019-02-23	2019-02-23	Standard	Overberg (WOS)	5	4	0	Yes	Analysis
22	Overberg Chess 1st Trial 2018 (B)	2018-04-14	2018-04-14	Standard	Overberg (WOS)	5	5	1	Yes	Analysis

#	Games	Start				End
1	6	Tournament Overberg High School Closed 2023				Tournament Overberg Top Schools 2023
		date 2023-03-25	rnd 5	type Standard	result 1	date 2023-08-05	rnd 5	type Standard	result 1
		Opponent Duminy, Z (Zaldine)				Opponent Van Der Spuy, A (Alison)
2	5	Tournament Overberg Open Rapid 2024				Tournament Overberg Open Rapid 2024
		date 2024-01-27	rnd 1	type Rapid	result 1	date 2024-01-27	rnd 5	type Rapid	result 1
		Opponent Laing, E (Elizma)				Opponent Gabriels, J (Jawon)
3	4	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-01	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Sangovana, M (Mihlali)				Opponent Maibee, V (Vinette)

#	Games	Start				End
1	6	Tournament Overberg High School Closed 2023				Tournament Overberg Top Schools 2023
		date 2023-03-25	rnd 5	type Standard	result 1	date 2023-08-05	rnd 5	type Standard	result 1
		Opponent Duminy, Z (Zaldine)				Opponent Van Der Spuy, A (Alison)
2	3	Tournament Overberg High Schools Trails 2024				Tournament Overberg High Schools Trails 2024
		date 2024-03-02	rnd 2	type Standard	result 1	date 2024-03-02	rnd 4	type Standard	result 1
		Opponent Duminy, Z (Zaldine)				Opponent Oosthuizen, C (Carla)
3	2	Tournament Overberg Schools - HS Closed 2025				Tournament Overberg Schools - HS Closed 2025
		date 2025-03-22	rnd 3	type Standard	result 1	date 2025-03-22	rnd 4	type Standard	result 1
		Opponent Prins, F (Florenique)				Opponent Daisy, L (Linda)

#	Games	Start				End
1	7	Tournament Overberg High Schools Trails 2023				Tournament Overberg Open Rapid 2024
		date 2023-02-24	rnd 4	type Rapid	result 1	date 2024-01-27	rnd 5	type Rapid	result 1
		Opponent Mqakathi, E (Esihle)				Opponent Gabriels, J (Jawon)
2	4	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-01	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Sangovana, M (Mihlali)				Opponent Maibee, V (Vinette)
3	2	Tournament Western Cape - Kings and Queens 2024				Tournament Western Cape - Kings and Queens 2024
		date 2024-06-08	rnd 4	type Rapid	result 1	date 2024-06-08	rnd 5	type Rapid	result 0.5
		Opponent Demas, G (Genevieve)				Opponent Mookadam, A (Amina)

#	Games	Start				End
1	1	Tournament Western Cape Inter Region Cup 2024				Tournament Western Cape Inter Region Cup 2024
		date 2024-03-22	rnd 7	type Blitz	result 1	date 2024-03-22	rnd 7	type Blitz	result 1
		Opponent Abdol, E (Enrico)				Opponent Abdol, E (Enrico)

#	Games	Start				End
1	6	Tournament Overberg High School Closed 2023				Tournament Overberg Top Schools 2023
		date 2023-03-25	rnd 5	type Standard	result 1	date 2023-08-05	rnd 5	type Standard	result 1
		Opponent Duminy, Z (Zaldine)				Opponent Van Der Spuy, A (Alison)
2	5	Tournament Overberg Open Rapid 2024				Tournament Overberg Open Rapid 2024
		date 2024-01-27	rnd 1	type Rapid	result 1	date 2024-01-27	rnd 5	type Rapid	result 1
		Opponent Laing, E (Elizma)				Opponent Gabriels, J (Jawon)
3	3	Tournament Overberg High Schools Trails 2023				Tournament Overberg High School Closed 2023
		date 2023-02-24	rnd 4	type Rapid	result 1	date 2023-03-25	rnd 1	type Standard	result 1
		Opponent Mqakathi, E (Esihle)				Opponent Oosthuizen, A (Anke)

#	Games	Start				End
1	6	Tournament Overberg High School Closed 2023				Tournament Overberg Top Schools 2023
		date 2023-03-25	rnd 5	type Standard	result 1	date 2023-08-05	rnd 5	type Standard	result 1
		Opponent Duminy, Z (Zaldine)				Opponent Van Der Spuy, A (Alison)
2	2	Tournament Overberg Schools - HS Closed 2025				Tournament Overberg Schools - HS Closed 2025
		date 2025-03-22	rnd 3	type Standard	result 1	date 2025-03-22	rnd 4	type Standard	result 1
		Opponent Prins, F (Florenique)				Opponent Daisy, L (Linda)
3	2	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - HS Closed 2025
		date 2024-07-27	rnd 5	type Standard	result 1	date 2025-03-22	rnd 1	type Standard	result 1
		Opponent Duminy, Z (Zaldine)				Opponent Duminy, Z (Zaldine)

#	Games	Start				End
1	7	Tournament Overberg High Schools Trails 2023				Tournament Overberg Open Rapid 2024
		date 2023-02-24	rnd 4	type Rapid	result 1	date 2024-01-27	rnd 5	type Rapid	result 1
		Opponent Mqakathi, E (Esihle)				Opponent Gabriels, J (Jawon)
2	2	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-01	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Siweni, A (Alungile)				Opponent Maibee, V (Vinette)
3	2	Tournament Overberg High Schools Trails 2024				Tournament Overberg High Schools Trails 2024
		date 2024-02-24	rnd 2	type Rapid	result 1	date 2024-02-24	rnd 3	type Rapid	result 1
		Opponent Diedericks, R (Rowan)				Opponent Nel, I (Isabel)

#	Games	Start				End
1	1	Tournament Western Cape Inter Region Cup 2024				Tournament Western Cape Inter Region Cup 2024
		date 2024-03-22	rnd 7	type Blitz	result 1	date 2024-03-22	rnd 7	type Blitz	result 1
		Opponent Abdol, E (Enrico)				Opponent Abdol, E (Enrico)

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	Duminy ,Z (Zaldine)	6	6	425	5	5	425	1	1	425	0	0	0
1	Duminy ,Z (Zaldine)	6	1064	1489	5	1021.6	1489	1	1124.3	1489	0	0	0
2	Xamsana ,A (Asive)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
2	Xamsana ,A (Asive)	3	1213.9	930.5	3	1217.7	930.5	0	0	0	0	0	0
3	Beveridge ,TG (Talitha Grace)	3	1	-141.7	2	0	-425	1	1	425	0	0	0
3	Beveridge ,TG (Talitha Grace)	3	1288.6	1146.9	2	1236.4	863.6	1	1136	1713.6	0	0	0
4	Sibeko ,M (Mbalntle)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Sibeko ,M (Mbalntle)	2	1176.9	751.9	2	1178.6	751.9	0	0	0	0	0	0
5	Van Wyk ,M (Malienke)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Van Wyk ,M (Malienke)	2	1168.8	743.8	2	1142.8	743.8	0	0	0	0	0	0
6	Ntabeni ,P (Phelisa)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Ntabeni ,P (Phelisa)	2	1256.9	831.9	2	1238.1	831.9	0	0	0	0	0	0
7	Prins ,F (Florenique)	2	2	425	2	2	425	0	0	0	0	0	0
7	Prins ,F (Florenique)	2	1105.3	1530.3	2	1038.5	1530.3	0	0	0	0	0	0
8	Pekeur ,N (Nicole)	2	1	0	2	1	0	0	0	0	0	0	0
8	Pekeur ,N (Nicole)	2	1197.6	1197.6	2	1190.4	1197.6	0	0	0	0	0	0
9	Flippies ,S (Shaun)	2	2	425	1	1	425	1	1	425	0	0	0
9	Flippies ,S (Shaun)	2	1156.8	1581.8	1	1200	1581.8	1	1200	1581.8	0	0	0
10	Du Toit ,I (Isabella)	2	0	-425	1	0	-425	1	0	-425	0	0	0
10	Du Toit ,I (Isabella)	2	1301.8	876.8	1	1270.1	876.8	1	1231.2	876.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Mackenzie, E (Erin-Lee)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms