Chess South Africa Ratings Database

PLAYER PAGE

Personal

Losper, J (Joshua)

Chess SA id

1110138761

FIDE id

Date of birth

2011-05-09 (U16)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-02-21

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1174.3	1200	1166	1200
Raw rating	1174.3	1200	1166	1200
Weighted rating	1174.3	1200	1166	1200
Weighted performance	751.4	0	754.8	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	172	165.8	174	165.8
Highest rating	1200 2018-10-01	1201.2 2023-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2020-01-01	1200 2024-02-01	1200 2020-01-01	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 2020-01-01	1201.2 2023-02-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1174.3	1200	1166	1200
Analysis
Rating	1174.3	1200	1166	1200
Raw rating	1174.3	1200	1166	1200
Weighted rating	1174.3	1200	1166
Weighted performance	751.4	0	754.8
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	172	165.8	174	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	1174.3	1200	1166	1200
New weighted rating	1174.3	1200	1166	1200
New weighted performance	751	0	754.4	0
Temp new rating	1174.3	1200	1166	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1174.3	1200	1166	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	17	6	11
	15	0	15
	0	0	0
History	32	6	26

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	32	13.5	42.19	-66.4	1215.9	1149.5
Standard	6	3	50	0	1194	1194
Rapid	26	10.5	40.38	-81.7	1220.9	1139.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1174.3	1200	1166	1200
2025-09-01	1174.3	1200	1166	1200
2025-08-01	1174.3	1200	1166	1200
2025-07-01	1174.3	1200	1166	1200
2025-06-01	1174.3	1200	1166	1200
2025-05-01	1174.3	1200	1166	1200
2025-04-01	1174.3	1200	1166	1200
2025-03-01	1174.3	1200	1166	1200
2025-02-01	1174.3	1200	1166	1200
2025-01-01	1174.3	1200	1166	1200
2024-12-01	1174.3	1200	1166	1200
2024-11-01	1174.3	1200	1166	1200
2024-10-01	1174.3	1200	1166	1200
2024-09-01	1174.3	1200	1166	1200
2024-08-01	1174.3	1200	1166	1200
2024-07-01	1174.3	1200	1166	1200
2024-06-01	1174.3	1200	1166	1200
2024-08-01	1174.3	1200	1166	1200
2024-04-01	1174.3	1200	1166	1200
2024-03-01	1174.3	1200	1166	1200
2024-02-01	1174.3	1200	1166	1200
2024-01-01	1174.3	1200	1166	1200
2023-12-01	1174.3	1200	1166	1200
2023-11-01	1174.3	1200	1166	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	Mary-Anne Bartels Chess Tournament 2023 (U13)	2023-02-21	2023-02-21	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis
2	Laerskool Welgemoed Rapid 2023 (U14)	2023-02-11	2023-02-11	Rapid	Cape Town (WCT)	6	6	2.5	Yes	Analysis
3	District East Schools Chess Individual Trials 2023 (U13 Boys)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
4	Metro Rapid 2022 (U11 Boys)	2022-10-22	2022-10-22	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis
5	Rhenish Primary Tournament 2022 (U12)	2022-05-14	2022-05-14	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis
6	2022 East Dist Individuals (U11)	2022-03-13	2022-03-13	Rapid	Cape Town (WCT)	6	5	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament District East Schools Chess Individual Trials 2023				Tournament Laerskool Welgemoed Rapid 2023
		date 2023-02-04	rnd 5	type Standard	result 1	date 2023-02-11	rnd 1	type Rapid	result 1
		Opponent Mboyisa, A (Ayanda)				Opponent Sprout, T (Tristan)
2	3	Tournament Metro Rapid 2022				Tournament Metro Rapid 2022
		date 2022-10-22	rnd 3	type Rapid	result 1	date 2022-10-22	rnd 5	type Rapid	result 1
		Opponent Clarke, M (Michiel)				Opponent Van Zyl, A (Andrew)
3	2	Tournament Mary-Anne Bartels Chess Tournament 2023				Tournament Mary-Anne Bartels Chess Tournament 2023
		date 2023-02-21	rnd 1	type Rapid	result 1	date 2023-02-21	rnd 2	type Rapid	result 1
		Opponent Nkani, J (John)				Opponent Swart, R (Richardo)

#	Games	Start				End
1	2	Tournament District East Schools Chess Individual Trials 2023				Tournament District East Schools Chess Individual Trials 2023
		date 2023-02-04	rnd 5	type Standard	result 1	date 2023-02-04	rnd 6	type Standard	result 1
		Opponent Mboyisa, A (Ayanda)				Opponent Nkani, J (John)
2	1	Tournament District East Schools Chess Individual Trials 2023				Tournament District East Schools Chess Individual Trials 2023
		date 2023-02-03	rnd 2	type Standard	result 1	date 2023-02-03	rnd 2	type Standard	result 1
		Opponent Magobolo, A (Abongile)				Opponent Magobolo, A (Abongile)

#	Games	Start				End
1	4	Tournament Metro Rapid 2022				Tournament Laerskool Welgemoed Rapid 2023
		date 2022-10-22	rnd 3	type Rapid	result 1	date 2023-02-11	rnd 1	type Rapid	result 1
		Opponent Clarke, M (Michiel)				Opponent Sprout, T (Tristan)
2	2	Tournament Mary-Anne Bartels Chess Tournament 2023				Tournament Mary-Anne Bartels Chess Tournament 2023
		date 2023-02-21	rnd 1	type Rapid	result 1	date 2023-02-21	rnd 2	type Rapid	result 1
		Opponent Nkani, J (John)				Opponent Swart, R (Richardo)
3	2	Tournament Laerskool Welgemoed Rapid 2023				Tournament Laerskool Welgemoed Rapid 2023
		date 2023-02-11	rnd 3	type Rapid	result 0.5	date 2023-02-11	rnd 4	type Rapid	result 1
		Opponent Scheepers, R (Riko)				Opponent Wainright, J (John-William)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament District East Schools Chess Individual Trials 2023				Tournament Laerskool Welgemoed Rapid 2023
		date 2023-02-04	rnd 5	type Standard	result 1	date 2023-02-11	rnd 1	type Rapid	result 1
		Opponent Mboyisa, A (Ayanda)				Opponent Sprout, T (Tristan)
2	3	Tournament Metro Rapid 2022				Tournament Metro Rapid 2022
		date 2022-10-22	rnd 3	type Rapid	result 1	date 2022-10-22	rnd 5	type Rapid	result 1
		Opponent Clarke, M (Michiel)				Opponent Van Zyl, A (Andrew)
3	2	Tournament Mary-Anne Bartels Chess Tournament 2023				Tournament Mary-Anne Bartels Chess Tournament 2023
		date 2023-02-21	rnd 1	type Rapid	result 1	date 2023-02-21	rnd 2	type Rapid	result 1
		Opponent Nkani, J (John)				Opponent Swart, R (Richardo)

#	Games	Start				End
1	2	Tournament District East Schools Chess Individual Trials 2023				Tournament District East Schools Chess Individual Trials 2023
		date 2023-02-04	rnd 5	type Standard	result 1	date 2023-02-04	rnd 6	type Standard	result 1
		Opponent Mboyisa, A (Ayanda)				Opponent Nkani, J (John)
2	1	Tournament District East Schools Chess Individual Trials 2023				Tournament District East Schools Chess Individual Trials 2023
		date 2023-02-03	rnd 2	type Standard	result 1	date 2023-02-03	rnd 2	type Standard	result 1
		Opponent Magobolo, A (Abongile)				Opponent Magobolo, A (Abongile)

#	Games	Start				End
1	4	Tournament Metro Rapid 2022				Tournament Laerskool Welgemoed Rapid 2023
		date 2022-10-22	rnd 3	type Rapid	result 1	date 2023-02-11	rnd 1	type Rapid	result 1
		Opponent Clarke, M (Michiel)				Opponent Sprout, T (Tristan)
2	2	Tournament Mary-Anne Bartels Chess Tournament 2023				Tournament Mary-Anne Bartels Chess Tournament 2023
		date 2023-02-21	rnd 1	type Rapid	result 1	date 2023-02-21	rnd 2	type Rapid	result 1
		Opponent Nkani, J (John)				Opponent Swart, R (Richardo)
3	1	Tournament Laerskool Welgemoed Rapid 2023				Tournament Laerskool Welgemoed Rapid 2023
		date 2023-02-11	rnd 4	type Rapid	result 1	date 2023-02-11	rnd 4	type Rapid	result 1
		Opponent Wainright, J (John-William)				Opponent Wainright, J (John-William)

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	Nkani ,J (John)	2	2	425	1	1	425	1	1	425	0	0	0
1	Nkani ,J (John)	2	1186.1	1611.1	1	1200	1611.1	1	1177.6	1611.1	0	0	0
2	Petersen ,M (Mathew)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Petersen ,M (Mathew)	2	1186.6	761.6	1	1200	761.6	1	1179.6	761.6	0	0	0
3	Mboyisa ,A (Ayanda)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mboyisa ,A (Ayanda)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Mangele ,O (Oyama)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Mangele ,O (Oyama)	1	1189.9	764.9	1	1200	764.9	0	0	0	0	0	0
5	Naude ,C (Cilan)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Naude ,C (Cilan)	1	1201.5	776.5	1	1200	776.5	0	0	0	0	0	0
6	Magobolo ,A (Abongile)	1	1	425	1	1	425	0	0	0	0	0	0
6	Magobolo ,A (Abongile)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Spence ,B (Brian)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Spence ,B (Brian)	1	1214.1	789.1	0	0	0	1	1269.4	789.1	0	0	0
8	Van Zyl ,L (Lindie)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Van Zyl ,L (Lindie)	1	1200	775	0	0	0	1	1200	775	0	0	0
9	Sprout ,T (Tristan)	1	1	425	0	0	0	1	1	425	0	0	0
9	Sprout ,T (Tristan)	1	1171.2	1596.2	0	0	0	1	1153.6	1596.2	0	0	0
10	Cass ,T (Troy)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Cass ,T (Troy)	1	1162.8	737.8	0	0	0	1	1164	737.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Losper, 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