Chess South Africa Ratings Database

PLAYER PAGE

Personal

Muir, J (Joshua)

Chess SA id

105072081

FIDE id

Date of birth

2005-02-15 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-04-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1400.2	1374.4	619.6	529.2
Raw rating	1400.2	1374.4	619.6	529.2
Weighted rating	1400.2	1374.4	619.6	529.2
Weighted performance	870.9	870.7	0	0
Floor	900.2	874.4	500	500
K-factor	32	36	40	40
Min/Max rating change allowed	124.7	129.3	379.1	431.2
Highest rating	1415.2 2023-04-01	1401.9 2020-02-01	1200 2024-11-01	1200 2024-02-01
Highest raw rating	1400.2 2024-02-01	1374.4 2024-02-01	619.6 2024-02-01	529.2 2024-02-01
Highest weighted rating	1400.2 2025-03-01	1374.4 2025-03-01	619.6 2024-11-01	529.2 2024-11-01
Highest weighted performance	1415.2 2023-04-01	1401.9 2020-02-01	1200 2024-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1400.2	1374.4	619.6	529.2
Analysis
Rating	1400.2	1374.4	619.6	529.2
Raw rating	1400.2	1374.4	619.6	529.2
Weighted rating	1400.2	1374.4	619.6
Weighted performance	870.9	870.7	0
K-factor	32	36	40	40
Floor	900.2	874.4	500	500
Max/Min rating change allowed	124.7	129.3	379.1	431.2
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	1400.2	1374.4	619.6	529.2
New weighted rating	1400.2	1374.4	619.6	529.2
New weighted performance	870.4	870.2	0	0
Temp new rating	1400.2	1374.4	619.6	529.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1400.2	1374.4	619.6	529.2
New K-factor	32	36	40	40
New floor	900.2	874.4	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	21	21	0
	0	0	0
	0	0	0
History	68	48	20

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	36	24	66.67	141.7	1252.1	1393.8
Standard	31	20.5	66.13	137.1	1312.3	1449.4
Rapid	5	3.5	70	170	878.9	1048.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1400.2	1374.4	619.6	529.2
2025-09-01	1400.2	1374.4	619.6	529.2
2025-08-01	1400.2	1374.4	619.6	529.2
2025-07-01	1400.2	1374.4	619.6	529.2
2025-06-01	1400.2	1374.4	619.6	529.2
2025-05-01	1400.2	1374.4	619.6	529.2
2025-04-01	1400.2	1374.4	619.6	529.2
2025-03-01	1400.2	1374.4	619.6	529.2
2025-02-01	1400.2	1374.4	619.6	529.2
2025-01-01	1400.2	1374.4	619.6	529.2
2024-12-01	1400.2	1374.4	619.6	529.2
2024-11-01	1400.2	1374.4	619.6	529.2
2024-10-01	1400.2	1374.4	619.6	529.2
2024-09-01	1400.2	1374.4	619.6	529.2
2024-08-01	1400.2	1374.4	619.6	529.2
2024-07-01	1400.2	1374.4	619.6	529.2
2024-06-01	1400.2	1374.4	619.6	529.2
2024-08-01	1400.2	1374.4	619.6	529.2
2024-04-01	1400.2	1374.4	619.6	529.2
2024-03-01	1400.2	1374.4	619.6	529.2
2024-02-01	1400.2	1374.4	619.6	529.2
2024-01-01	1400.2	1374.4	619.6	529.2
2023-12-01	1400.2	1374.4	619.6	529.2
2023-11-01	1400.2	1374.4	619.6	529.2

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	Western Cape HS Individuals 2023 (U19 Boys)	2023-04-01	2023-04-02	Standard	Cape Town (WCT)	6	3	2	Yes	Analysis
2	Cape Town Metro Schools Chess Closed Individuals 2023 (U19 Boys)	2023-03-03	2023-03-04	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
3	North District School Trials 2023 (U19 Boys)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
4	Cape of Good Hope Open 2023 (Intermediate)	2023-01-28	2023-01-29	Standard	Cape Town (WCT)	6	6	5.5	Yes	Analysis
5	2020 Metro Trials (U15 Boys)	2020-03-13	2020-03-14	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
6	Metro North Individual Trials 2020 (U15)	2020-02-07	2020-02-08	Standard	Cape Town (WCT)	6	5	3	Yes	Analysis
7	Welgemoed Chess Challenge 2018 (U14)	2018-02-24	2018-02-24	Rapid	Cape Town (WCT)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	7	Tournament Cape of Good Hope Open 2023				Tournament North District School Trials 2023
		date 2023-01-28	rnd 1	type Standard	result 1	date 2023-02-03	rnd 1	type Standard	result 1
		Opponent Wilson, J (James)				Opponent Manuel, H (Haldane)
2	5	Tournament Welgemoed Chess Challenge 2018				Tournament Metro North Individual Trials 2020
		date 2018-02-24	rnd 2	type Rapid	result 1	date 2020-02-07	rnd 2	type Standard	result 1
		Opponent Mizen, D (Daniel)				Opponent Steenkamp, W (Wessel)
3	4	Tournament 2020 Metro Trials				Tournament 2020 Metro Trials
		date 2020-03-13	rnd 1	type Standard	result 1	date 2020-03-14	rnd 4	type Standard	result 0.5
		Opponent Snijders, G (Gerard)				Opponent Steenkamp, W (Wessel)

#	Games	Start				End
1	7	Tournament Cape of Good Hope Open 2023				Tournament North District School Trials 2023
		date 2023-01-28	rnd 1	type Standard	result 1	date 2023-02-03	rnd 1	type Standard	result 1
		Opponent Wilson, J (James)				Opponent Manuel, H (Haldane)
2	4	Tournament 2020 Metro Trials				Tournament 2020 Metro Trials
		date 2020-03-13	rnd 1	type Standard	result 1	date 2020-03-14	rnd 4	type Standard	result 0.5
		Opponent Snijders, G (Gerard)				Opponent Steenkamp, W (Wessel)
3	3	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-03-04	rnd 3	type Standard	result 0.5	date 2023-03-04	rnd 5	type Standard	result 1
		Opponent Alberts, V (Van-Lee)				Opponent Titus, T (Tenswil)

#	Games	Start				End
1	4	Tournament Welgemoed Chess Challenge 2018				Tournament Welgemoed Chess Challenge 2018
		date 2018-02-24	rnd 2	type Rapid	result 1	date 2018-02-24	rnd 5	type Rapid	result 1
		Opponent Mizen, D (Daniel)				Opponent Gardener, A (Angelique)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Cape of Good Hope Open 2023				Tournament Cape of Good Hope Open 2023
		date 2023-01-28	rnd 1	type Standard	result 1	date 2023-01-29	rnd 5	type Standard	result 1
		Opponent Wilson, J (James)				Opponent Maruma, K (Katlego)
2	3	Tournament North District School Trials 2023				Tournament North District School Trials 2023
		date 2023-02-04	rnd 3	type Standard	result 1	date 2023-02-04	rnd 5	type Standard	result 1
		Opponent Karra, C (Conray)				Opponent Van Der Merwe, T (Theuns)
3	3	Tournament Welgemoed Chess Challenge 2018				Tournament Metro North Individual Trials 2020
		date 2018-02-24	rnd 4	type Rapid	result 1	date 2020-02-07	rnd 2	type Standard	result 1
		Opponent Galeni, A (Abulele)				Opponent Steenkamp, W (Wessel)

#	Games	Start				End
1	5	Tournament Cape of Good Hope Open 2023				Tournament Cape of Good Hope Open 2023
		date 2023-01-28	rnd 1	type Standard	result 1	date 2023-01-29	rnd 5	type Standard	result 1
		Opponent Wilson, J (James)				Opponent Maruma, K (Katlego)
2	3	Tournament North District School Trials 2023				Tournament North District School Trials 2023
		date 2023-02-04	rnd 3	type Standard	result 1	date 2023-02-04	rnd 5	type Standard	result 1
		Opponent Karra, C (Conray)				Opponent Van Der Merwe, T (Theuns)
3	2	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 5	type Standard	result 1
		Opponent Smith, J (Jayden)				Opponent Wilcock, A (Adam)

#	Games	Start				End
1	2	Tournament Welgemoed Chess Challenge 2018				Tournament Welgemoed Chess Challenge 2018
		date 2018-02-24	rnd 4	type Rapid	result 1	date 2018-02-24	rnd 5	type Rapid	result 1
		Opponent Galeni, A (Abulele)				Opponent Gardener, A (Angelique)
2	1	Tournament Welgemoed Chess Challenge 2018				Tournament Welgemoed Chess Challenge 2018
		date 2018-02-24	rnd 2	type Rapid	result 1	date 2018-02-24	rnd 2	type Rapid	result 1
		Opponent Mizen, D (Daniel)				Opponent Mizen, D (Daniel)

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	Steenkamp ,W (Wessel)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
1	Steenkamp ,W (Wessel)	2	1428.7	1641.2	2	1407.6	1641.2	0	0	0	0	0	0
2	Braaf ,J (Jiraan)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Braaf ,J (Jiraan)	2	1768.5	1343.5	2	1778.8	1343.5	0	0	0	0	0	0
3	Ntukelo ,A (Amzolele)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Ntukelo ,A (Amzolele)	1	1231.5	1231.5	1	1234	1231.5	0	0	0	0	0	0
4	Manuel ,H (Haldane)	1	1	425	1	1	425	0	0	0	0	0	0
4	Manuel ,H (Haldane)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Matyobeni ,M (Mbongeni)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Matyobeni ,M (Mbongeni)	1	1323.6	898.6	1	1318.8	898.6	0	0	0	0	0	0
6	Parenzee ,E (Ethan)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Parenzee ,E (Ethan)	1	1595.1	1170.1	1	1576.7	1170.1	0	0	0	0	0	0
7	Maruma ,K (Katlego)	1	1	425	1	1	425	0	0	0	0	0	0
7	Maruma ,K (Katlego)	1	1301.5	1726.5	1	1300.8	1726.5	0	0	0	0	0	0
8	Adams ,J (Juvelian)	1	1	425	1	1	425	0	0	0	0	0	0
8	Adams ,J (Juvelian)	1	918.8	1343.8	1	701.6	1343.8	0	0	0	0	0	0
9	Smith ,J (Jayden)	1	1	425	1	1	425	0	0	0	0	0	0
9	Smith ,J (Jayden)	1	1195.7	1620.7	1	1194	1620.7	0	0	0	0	0	0
10	Wilson ,J (James)	1	1	425	1	1	425	0	0	0	0	0	0
10	Wilson ,J (James)	1	1405.7	1830.7	1	1359.7	1830.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Muir, J (Joshua)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms