Chess South Africa Ratings Database

PLAYER PAGE

Personal

Groenewald, M (McKayla)

Chess SA id

2120321237

FIDE id

Date of birth

2012-08-17 (U14)

Gender

Female

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1206	1208.1	1200	1200
Raw rating	1197.6	1198.5	1200	1200
Weighted rating	1206	1208.1	1200	1200
Weighted performance	0	0	0	0
Floor	732.9	742.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	166.4	166.2	165.8	165.8
Highest rating	1232.9 2025-06-01	1242.4 2025-06-01	1200 2025-06-01	1200 2025-06-01
Highest raw rating	1232.9 2025-06-01	1242.4 2025-06-01	1200 2025-06-01	1200 2025-06-01
Highest weighted rating	1207.6 2025-08-01	1209.8 2025-08-01	1200 2025-06-01	1200 2025-06-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.5	-0.5	0	0
New rating	1205.5	1207.6	1200	1200
Analysis
Rating	1206	1208.1	1200	1200
Raw rating	1197.6	1198.5	1200	1200
Weighted rating	1206	1208.1	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	732.9	742.4	700	700
Max/Min rating change allowed	166.4	166.2	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	1197.6	1198.5	1200	1200
New weighted rating	1205.5	1207.6	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1205.5	1207.6	1200	1200
Temp new rating +/-	-0.5	-0.5	0	0
Final new rating +/-	-0.5	-0.5	0	0
New rating	1205.5	1207.6	1200	1200
New K-factor	36	36	36	36
New floor	732.9	742.4	700	700

Item	Main	Standard
	0	0
	9	9
	0	0
	0	0
	0	0
	0	0
History	9	9

Games since
	Main 9	Standard 9		Rapid 0		Blitz 0
Gender	Female
Age group	U14
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 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	9	4.5	50	0	1192.6	1192.6
Standard	9	4.5	50	0	1192.6	1192.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	9	4.5	50	0	1192.6	1192.6
Standard	9	4.5	50	0	1192.6	1192.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1197.6	1198.5	1200	1200
2025-09-30	1197.6	1198.5	1200	1200
2025-09-01	1197.6	1198.5	1200	1200
2025-08-01	1232.9	1242.4	1200	1200
2025-07-01	1232.9	1242.4	1200	1200
2025-06-01	1232.9	1242.4	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	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	D5 Teams 2025 (U13 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
2	D5 Anker 2025 (U13 Girls)	2025-05-17	2025-05-17	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	D5 Teams 2025 (U13 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
2	D5 Anker 2025 (U13 Girls)	2025-05-17	2025-05-17	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament D5 Anker 2025				Tournament D5 Anker 2025
		date 2025-05-17	rnd 2	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 0.5
		Opponent Toetoe, B (Bokamoso)				Opponent De Jager, Z (Zannicka)
2	1	Tournament D5 Teams 2025				Tournament D5 Teams 2025
		date 2025-08-16	rnd 4	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Becker, C (CJ)				Opponent Becker, C (CJ)

#	Games	Start				End
1	4	Tournament D5 Anker 2025				Tournament D5 Anker 2025
		date 2025-05-17	rnd 2	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 0.5
		Opponent Toetoe, B (Bokamoso)				Opponent De Jager, Z (Zannicka)
2	1	Tournament D5 Teams 2025				Tournament D5 Teams 2025
		date 2025-08-16	rnd 4	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Becker, C (CJ)				Opponent Becker, C (CJ)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament D5 Anker 2025				Tournament D5 Anker 2025
		date 2025-05-17	rnd 2	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Toetoe, B (Bokamoso)				Opponent Hattingh, K (Katrien)
2	1	Tournament D5 Teams 2025				Tournament D5 Teams 2025
		date 2025-08-16	rnd 4	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Becker, C (CJ)				Opponent Becker, C (CJ)

#	Games	Start				End
1	3	Tournament D5 Anker 2025				Tournament D5 Anker 2025
		date 2025-05-17	rnd 2	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Toetoe, B (Bokamoso)				Opponent Hattingh, K (Katrien)
2	1	Tournament D5 Teams 2025				Tournament D5 Teams 2025
		date 2025-08-16	rnd 4	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Becker, C (CJ)				Opponent Becker, C (CJ)

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	Van Der Merwe ,A (Adele)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Van Der Merwe ,A (Adele)	1	1180.2	755.2	1	1186.7	755.2	0	0	0	0	0	0
2	Vermeulen ,R (Reinhardt)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Vermeulen ,R (Reinhardt)	1	1196	771	1	1195.2	771	0	0	0	0	0	0
3	Dicks ,C (Cheyanne)	1	1	425	1	1	425	0	0	0	0	0	0
3	Dicks ,C (Cheyanne)	1	1171.3	1596.3	1	1165.1	1596.3	0	0	0	0	0	0
4	Becker ,C (CJ)	1	1	425	1	1	425	0	0	0	0	0	0
4	Becker ,C (CJ)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Toetoe ,B (Bokamoso)	1	1	425	1	1	425	0	0	0	0	0	0
5	Toetoe ,B (Bokamoso)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	van Biljon ,E (Emje)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	van Biljon ,E (Emje)	1	1199.7	774.7	1	1199.7	774.7	0	0	0	0	0	0
7	Smith ,A (Amore)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Smith ,A (Amore)	1	1263.4	838.4	1	1279.2	838.4	0	0	0	0	0	0
8	Hattingh ,K (Katrien)	1	1	425	1	1	425	0	0	0	0	0	0
8	Hattingh ,K (Katrien)	1	1153.4	1578.4	1	1209.4	1578.4	0	0	0	0	0	0
9	De Jager ,Z (Zannicka)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	De Jager ,Z (Zannicka)	1	1169	1169	1	1162.4	1169	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Groenewald, M (McKayla)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms