Chess South Africa Ratings Database

PLAYER PAGE

Personal

Muyaya, M (Merlin)

Chess SA id

1070108007

FIDE id

Date of birth

2007-12-12 (U20)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-07-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1092.7	1075.6	1161.6	1200
Raw rating	1092.7	1075.6	1161.6	1200
Weighted rating	1092.3	1075.6	1159.4	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	193.2	198	175.1	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2019-12-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1092.7	1075.6	1161.6	1200
Analysis
Rating	1092.7	1075.6	1161.6	1200
Raw rating	1092.7	1075.6	1161.6	1200
Weighted rating	1092.3	1075.6	1159.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	193.2	198	175.1	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	1092.7	1075.6	1161.6	1200
New weighted rating	1092.4	1075.6	1159.3	1200
New weighted performance	0	0	0	0
Temp new rating	1092.7	1075.6	1161.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1092.7	1075.6	1161.6	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	5	0	5
	3	0	3
	0	0	0
	0	0	0
History	19	11	8

Games since
	Main 5	Standard 0		Rapid 5		Blitz 0
Gender	Male
Age group	U20
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-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	19	4.5	23.68	-223.7	1236.5	1012.9
Standard	11	2.5	22.73	-231.8	1152.9	921
Rapid	8	2	25	-212.5	1351.6	1139.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1092.7	1075.6	1161.6	1200
2025-09-30	1092.7	1075.6	1161.6	1200
2025-09-01	1092.7	1075.6	1161.6	1200
2025-08-01	1092.7	1075.6	1161.6	1200
2025-07-01	1092.7	1075.6	1161.6	1200
2025-06-01	1092.7	1075.6	1161.6	1200
2025-05-01	1092.7	1075.6	1161.6	1200
2025-04-01	1092.7	1075.6	1161.6	1200
2025-03-01	1092.7	1075.6	1161.6	1200
2025-02-01	1092.7	1075.6	1161.1	1200
2025-01-01	1092.7	1075.6	1144.8	1200
2024-12-01	1092.7	1075.6	1144.8	1200
2024-11-01	1092.7	1075.6	1144.8	1200
2024-10-01	1092.7	1075.6	1144.8	1200
2024-09-01	1092.7	1075.6	1144.8	1200
2024-08-01	1092.7	1075.6	1144.8	1200
2024-07-01	1089.6	1075.6	1175.2	1200
2024-09-01	1089.6	1075.6	1175.2	1200
2024-05-01	1089.6	1075.6	1175.2	1200
2024-04-01	1089.6	1075.6	1175.2	1200
2024-03-01	1089.6	1075.6	1175.2	1200
2024-02-01	1089.6	1075.6	1175.2	1200
2024-01-01	1089.6	1075.6	1175.2	1200
2023-12-01	1089.6	1075.6	1175.2	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	CT District North Top Schools 2024 (U18 Mixed)	2024-07-27	2024-07-27	Rapid	Cape Town (WCT)	5	5	1	Yes	Analysis
2	CT Metro District North Top Schools Chess 2023 (U18 Mixed)	2023-07-29	2023-07-29	Rapid	Cape Town (WCT)	5	3	1	Yes	Analysis
3	Metro North Individual Trials 2020 (U13)	2020-02-07	2020-02-08	Standard	Cape Town (WCT)	6	5	1	Yes	Analysis
4	District North Schools Chess Trials 2019 (U13)	2019-01-25	2019-01-26	Standard	Cape Town (WCT)	6	6	1.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament District North Schools Chess Trials 2019				Tournament District North Schools Chess Trials 2019
		date 2019-01-26	rnd 4	type Standard	result 0.5	date 2019-01-26	rnd 5	type Standard	result 1
		Opponent Mncube, L (Lethukuthula)				Opponent Abrahams, S (Shakir)
2	1	Tournament CT District North Top Schools 2024				Tournament CT District North Top Schools 2024
		date 2024-07-27	rnd 3	type Rapid	result 1	date 2024-07-27	rnd 3	type Rapid	result 1
		Opponent Mdunyelwa, L (Litha)				Opponent Mdunyelwa, L (Litha)
3	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 2	type Rapid	result 1	date 2023-07-29	rnd 2	type Rapid	result 1
		Opponent Smith, J (Joedy)				Opponent Smith, J (Joedy)

#	Games	Start				End
1	2	Tournament District North Schools Chess Trials 2019				Tournament District North Schools Chess Trials 2019
		date 2019-01-26	rnd 4	type Standard	result 0.5	date 2019-01-26	rnd 5	type Standard	result 1
		Opponent Mncube, L (Lethukuthula)				Opponent Abrahams, S (Shakir)
2	1	Tournament Metro North Individual Trials 2020				Tournament Metro North Individual Trials 2020
		date 2020-02-08	rnd 4	type Standard	result 1	date 2020-02-08	rnd 4	type Standard	result 1
		Opponent Ndzunga, L (Luniko)				Opponent Ndzunga, L (Luniko)

#	Games	Start				End
1	1	Tournament CT District North Top Schools 2024				Tournament CT District North Top Schools 2024
		date 2024-07-27	rnd 3	type Rapid	result 1	date 2024-07-27	rnd 3	type Rapid	result 1
		Opponent Mdunyelwa, L (Litha)				Opponent Mdunyelwa, L (Litha)
2	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 2	type Rapid	result 1	date 2023-07-29	rnd 2	type Rapid	result 1
		Opponent Smith, J (Joedy)				Opponent Smith, J (Joedy)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament CT District North Top Schools 2024				Tournament CT District North Top Schools 2024
		date 2024-07-27	rnd 3	type Rapid	result 1	date 2024-07-27	rnd 3	type Rapid	result 1
		Opponent Mdunyelwa, L (Litha)				Opponent Mdunyelwa, L (Litha)
2	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 2	type Rapid	result 1	date 2023-07-29	rnd 2	type Rapid	result 1
		Opponent Smith, J (Joedy)				Opponent Smith, J (Joedy)
3	1	Tournament Metro North Individual Trials 2020				Tournament Metro North Individual Trials 2020
		date 2020-02-08	rnd 4	type Standard	result 1	date 2020-02-08	rnd 4	type Standard	result 1
		Opponent Ndzunga, L (Luniko)				Opponent Ndzunga, L (Luniko)

#	Games	Start				End
1	1	Tournament Metro North Individual Trials 2020				Tournament Metro North Individual Trials 2020
		date 2020-02-08	rnd 4	type Standard	result 1	date 2020-02-08	rnd 4	type Standard	result 1
		Opponent Ndzunga, L (Luniko)				Opponent Ndzunga, L (Luniko)
2	1	Tournament District North Schools Chess Trials 2019				Tournament District North Schools Chess Trials 2019
		date 2019-01-26	rnd 5	type Standard	result 1	date 2019-01-26	rnd 5	type Standard	result 1
		Opponent Abrahams, S (Shakir)				Opponent Abrahams, S (Shakir)

#	Games	Start				End
1	1	Tournament CT District North Top Schools 2024				Tournament CT District North Top Schools 2024
		date 2024-07-27	rnd 3	type Rapid	result 1	date 2024-07-27	rnd 3	type Rapid	result 1
		Opponent Mdunyelwa, L (Litha)				Opponent Mdunyelwa, L (Litha)
2	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 2	type Rapid	result 1	date 2023-07-29	rnd 2	type Rapid	result 1
		Opponent Smith, J (Joedy)				Opponent Smith, J (Joedy)

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	Malherbe ,P (Philip)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Malherbe ,P (Philip)	1	736.3	311.3	1	705.6	311.3	0	0	0	0	0	0
2	Abrahams ,S (Shakir)	1	1	425	1	1	425	0	0	0	0	0	0
2	Abrahams ,S (Shakir)	1	1164	1589	1	1200	1589	0	0	0	0	0	0
3	Cloete ,A (Ashton)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Cloete ,A (Ashton)	1	1049	624	1	1109.2	624	0	0	0	0	0	0
4	Kwon ,H (Hyun)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Kwon ,H (Hyun)	1	1195.4	770.4	1	1148.7	770.4	0	0	0	0	0	0
5	Henkel ,N (Noah)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Henkel ,N (Noah)	1	1226.5	801.5	1	1200	801.5	0	0	0	0	0	0
6	Dibi ,T (Thamsanqa)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Dibi ,T (Thamsanqa)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Ndzunga ,L (Luniko)	1	1	425	1	1	425	0	0	0	0	0	0
7	Ndzunga ,L (Luniko)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Mncube ,L (Lethukuthula)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Mncube ,L (Lethukuthula)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
9	Visser ,C (Christiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Visser ,C (Christiaan)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Van Heerden ,EJ (Ethan Joel)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Heerden ,EJ (Ethan Joel)	1	1265	840	1	1249	840	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Muyaya, M (Merlin)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms