Chess South Africa Ratings Database

PLAYER PAGE

Personal

Muller, J (Jewano)

Chess SA id

100069678

FIDE id

Date of birth

1900-01-01 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-05-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	877.2	890.7	898.6	566.4
Raw rating	877.2	890.7	898.6	566.4
Weighted rating	877.2	890.7	898.6	566.4
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	262.6	257.6	254.7	408.9
Highest rating	1259.4 2018-05-01	1294 2018-05-01	1261.2 2018-03-01	1200 2024-03-01
Highest raw rating	877.2 2024-03-01	890.7 2024-03-01	898.6 2024-03-01	566.4 2024-03-01
Highest weighted rating	877.2 2024-11-01	890.7 2024-11-01	898.6 2024-11-01	566.4 2024-11-01
Highest weighted performance	1259.4 2018-05-01	1294 2018-05-01	1261.2 2018-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	877.2	890.7	898.6	566.4
Analysis
Rating	877.2	890.7	898.6	566.4
Raw rating	877.2	890.7	898.6	566.4
Weighted rating	877.2	890.7	898.6
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	262.6	257.6	254.7	408.9
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	877.2	890.7	898.6	566.4
New weighted rating	877.2	890.7	898.6	566.4
New weighted performance	0	0	0	0
Temp new rating	877.2	890.7	898.6	566.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	877.2	890.7	898.6	566.4
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	40	22	18

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	18	11.5	63.89	118.1	1132.4	1250.4
Standard	12	7.5	62.5	106.2	1139.6	1245.8
Rapid	6	4	66.67	141.7	1118	1259.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	877.2	890.7	898.6	566.4
2025-11-30	877.2	890.7	898.6	566.4
2025-11-01	877.2	890.7	898.6	566.4
2025-09-30	877.2	890.7	898.6	566.4
2025-09-01	877.2	890.7	898.6	566.4
2025-08-01	877.2	890.7	898.6	566.4
2025-07-01	877.2	890.7	898.6	566.4
2025-06-01	877.2	890.7	898.6	566.4
2025-05-01	877.2	890.7	898.6	566.4
2025-04-01	877.2	890.7	898.6	566.4
2025-03-01	877.2	890.7	898.6	566.4
2025-02-01	877.2	890.7	898.6	566.4
2025-01-01	877.2	890.7	898.6	566.4
2024-12-01	877.2	890.7	898.6	566.4
2024-11-01	877.2	890.7	898.6	566.4
2024-10-01	877.2	890.7	898.6	566.4
2024-09-01	877.2	890.7	898.6	566.4
2024-11-01	877.2	890.7	898.6	566.4
2024-07-01	877.2	890.7	898.6	566.4
2024-06-01	877.2	890.7	898.6	566.4
2024-05-01	877.2	890.7	898.6	566.4
2024-04-01	877.2	890.7	898.6	566.4
2024-03-01	877.2	890.7	898.6	566.4
2024-02-01	877.2	890.7	898.6	566.4

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	Inter Regional 2018 (U18 Team)	2018-05-04	2018-05-05	Standard	Frances Baard (NCF)	5	5	4	Yes	Analysis
2	Cape Winelands Schools Trials 1 2018 (U18 Boys)	2018-03-03	2018-03-03	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
3	Cape Winelands Schools Prestige 2018 (U18 Boys)	2018-03-24	2018-03-25	Standard	Cape Winelands (WCW)	7	7	3.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament Cape Winelands Schools Prestige 2018				Tournament Inter Regional 2018
		date 2018-03-25	rnd 6	type Standard	result 0.5	date 2018-05-04	rnd 2	type Standard	result 1
		Opponent Smit, VM (Vincent)				Opponent Shaba, K (Keneuwe)
2	2	Tournament Inter Regional 2018				Tournament Inter Regional 2018
		date 2018-05-05	rnd 4	type Standard	result 1	date 2018-05-05	rnd 5	type Standard	result 1
		Opponent Nelson, D (Dylan)				Opponent Pretorius, RS (Riandri)
3	2	Tournament Cape Winelands Schools Prestige 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-24	rnd 2	type Standard	result 1	date 2018-03-24	rnd 3	type Standard	result 1
		Opponent Nel, C (Cyle)				Opponent Harris, M (Mikyall)

#	Games	Start				End
1	4	Tournament Cape Winelands Schools Prestige 2018				Tournament Inter Regional 2018
		date 2018-03-25	rnd 6	type Standard	result 0.5	date 2018-05-04	rnd 2	type Standard	result 1
		Opponent Smit, VM (Vincent)				Opponent Shaba, K (Keneuwe)
2	2	Tournament Inter Regional 2018				Tournament Inter Regional 2018
		date 2018-05-05	rnd 4	type Standard	result 1	date 2018-05-05	rnd 5	type Standard	result 1
		Opponent Nelson, D (Dylan)				Opponent Pretorius, RS (Riandri)
3	2	Tournament Cape Winelands Schools Prestige 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-24	rnd 2	type Standard	result 1	date 2018-03-24	rnd 3	type Standard	result 1
		Opponent Nel, C (Cyle)				Opponent Harris, M (Mikyall)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-03-03	rnd 5	type Rapid	result 1	date 2018-03-03	rnd 6	type Rapid	result 1
		Opponent Philander, J (Josuan)				Opponent Soma, N (Nikul)
2	2	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-03-03	rnd 2	type Rapid	result 1	date 2018-03-03	rnd 3	type Rapid	result 1
		Opponent Williams, E (Edwin)				Opponent Harris, M (Mikyall)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Prestige 2018				Tournament Inter Regional 2018
		date 2018-03-25	rnd 7	type Standard	result 1	date 2018-05-04	rnd 2	type Standard	result 1
		Opponent Williams, E (Edwin)				Opponent Shaba, K (Keneuwe)
2	2	Tournament Inter Regional 2018				Tournament Inter Regional 2018
		date 2018-05-05	rnd 4	type Standard	result 1	date 2018-05-05	rnd 5	type Standard	result 1
		Opponent Nelson, D (Dylan)				Opponent Pretorius, RS (Riandri)
3	2	Tournament Cape Winelands Schools Prestige 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-24	rnd 2	type Standard	result 1	date 2018-03-24	rnd 3	type Standard	result 1
		Opponent Nel, C (Cyle)				Opponent Harris, M (Mikyall)

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Prestige 2018				Tournament Inter Regional 2018
		date 2018-03-25	rnd 7	type Standard	result 1	date 2018-05-04	rnd 2	type Standard	result 1
		Opponent Williams, E (Edwin)				Opponent Shaba, K (Keneuwe)
2	2	Tournament Inter Regional 2018				Tournament Inter Regional 2018
		date 2018-05-05	rnd 4	type Standard	result 1	date 2018-05-05	rnd 5	type Standard	result 1
		Opponent Nelson, D (Dylan)				Opponent Pretorius, RS (Riandri)
3	2	Tournament Cape Winelands Schools Prestige 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-24	rnd 2	type Standard	result 1	date 2018-03-24	rnd 3	type Standard	result 1
		Opponent Nel, C (Cyle)				Opponent Harris, M (Mikyall)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-03-03	rnd 5	type Rapid	result 1	date 2018-03-03	rnd 6	type Rapid	result 1
		Opponent Philander, J (Josuan)				Opponent Soma, N (Nikul)
2	2	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-03-03	rnd 2	type Rapid	result 1	date 2018-03-03	rnd 3	type Rapid	result 1
		Opponent Williams, E (Edwin)				Opponent Harris, M (Mikyall)

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	Briedenhann ,L (Laurence)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Briedenhann ,L (Laurence)	2	1445.1	1020.1	1	1433.6	1020.1	1	1459.5	1020.1	0	0	0
2	Williams ,E (Edwin)	2	2	425	1	1	425	1	1	425	0	0	0
2	Williams ,E (Edwin)	2	1165	1590	1	1200	1590	1	1141.6	1590	0	0	0
3	Harris ,M (Mikyall)	2	2	425	1	1	425	1	1	425	0	0	0
3	Harris ,M (Mikyall)	2	1122.7	1547.7	1	1101.1	1547.7	1	1146.7	1547.7	0	0	0
4	Nel ,C (Cyle)	1	1	425	1	1	425	0	0	0	0	0	0
4	Nel ,C (Cyle)	1	1171.9	1596.9	1	1200	1596.9	0	0	0	0	0	0
5	Cilliers ,S (Salmo)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Cilliers ,S (Salmo)	1	1098.1	673.1	1	1069.8	673.1	0	0	0	0	0	0
6	Shaba ,K (Keneuwe)	1	1	425	1	1	425	0	0	0	0	0	0
6	Shaba ,K (Keneuwe)	1	876.2	1301.2	1	883.4	1301.2	0	0	0	0	0	0
7	Nelson ,DJ (Dylan Johannes)	1	1	425	1	1	425	0	0	0	0	0	0
7	Nelson ,DJ (Dylan Johannes)	1	1232.7	1657.7	1	1238.2	1657.7	0	0	0	0	0	0
8	Pretorius ,RS (Riandri Stefanie)	1	1	425	1	1	425	0	0	0	0	0	0
8	Pretorius ,RS (Riandri Stefanie)	1	868.9	1293.9	1	870.9	1293.9	0	0	0	0	0	0
9	Van Der Westhuizen ,PJ (Petrus Jeremias)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Van Der Westhuizen ,PJ (Petrus Jeremias)	1	1343.6	918.6	1	1351.2	918.6	0	0	0	0	0	0
10	Briers-Louw ,D (Daniel)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Briers-Louw ,D (Daniel)	1	973.7	548.7	1	973.7	548.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Muller, J (Jewano)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms