Chess South Africa Ratings Database

PLAYER PAGE

Personal

Losper, J (Juwayden)

Chess SA id

1080308087

FIDE id

Date of birth

2008-09-12 (U18)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-23

Personal details last changed

1900-01-01

Junior GPX Games

16.8

Junior GPX Points

1109.8

Item	Main	Standard	Rapid	Blitz
Rating	1244.4	1200.8	1311	1200
Raw rating	1244.4	1191.6	1311	1200
Weighted rating	1209.2	1200.8	1217.4	1200
Weighted performance	0	0	0	0
Floor	744.4	710	811	700
K-factor	36	36	36	36
Min/Max rating change allowed	155.7	167.8	141.6	165.8
Highest rating	1244.4 2025-09-01	1210 2025-06-01	1311 2025-09-01	1200 2024-10-01
Highest raw rating	1244.4 2025-09-01	1210 2025-06-01	1311 2025-09-01	1200 2024-10-01
Highest weighted rating	1205.9 2025-09-01	1202.3 2025-08-01	1208.9 2025-09-01	1200 2024-10-01
Highest weighted performance	1200 2024-10-01	1200 2024-10-01	1200 2024-10-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	-0.7	0	0
New rating	1244.4	1200.1	1311	1200
Analysis
Rating	1244.4	1200.8	1311	1200
Raw rating	1244.4	1191.6	1311	1200
Weighted rating	1209.2	1200.8	1217.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	744.4	710	811	700
Max/Min rating change allowed	155.7	167.8	141.6	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	1244.4	1191.6	1311	1200
New weighted rating	1212.3	1200.1	1225.5	1200
New weighted performance	0	0	0	0
Temp new rating	1244.4	1200.1	1311	1200
Temp new rating +/-	0	-0.7	0	0
Final new rating +/-	0	-0.7	0	0
New rating	1244.4	1200.1	1311	1200
New K-factor	36	36	36	36
New floor	744.4	710	811	700

Item	Main	Standard	Rapid
	0	0	0
	24	14	10
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	24	14	10

Games since
	Main 24	Standard 14		Rapid 10		Blitz 0
Gender	Male
Age group	U18
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	24	14	58.33	70.8	1246.8	1317.7
Standard	14	6	42.86	-60.7	1253.2	1192.5
Rapid	10	8	80	255	1237.9	1492.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	24	14	58.33	70.8	1246.8	1317.7
Standard	14	6	42.86	-60.7	1253.2	1192.5
Rapid	10	8	80	255	1237.9	1492.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1244.4	1191.6	1311	1200
2025-09-01	1244.4	1191.6	1311	1200
2025-08-01	1210.5	1210	1200	1200
2025-07-01	1210.5	1210	1200	1200
2025-06-01	1210.5	1210	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
2024-06-01	1200	1200	1200	1200
2024-08-01	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
2023-11-01	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	Northern Cape Closed 202 (U18 Open)	2025-08-22	2025-08-23	Standard	ZF Mgcawu (NZF)	5	4	1	Yes	Analysis
2	Namakwa Toernooi 3 2025 (U20)	2025-08-09	2025-08-09	Rapid	Namakwa (NCN)	10	10	8	Yes	Analysis
3	Spartan Bishops Championships Elite 2025 (U18)	2025-05-23	2025-05-25	Standard	Frances Baard (NCF)	5	5	1	Yes	Analysis
4	2025 Namakwa Skaak Toernoei 2.0 (U18)	2025-05-10	2025-05-10	Standard	Namakwa (NCN)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Northern Cape Closed 202 (U18 Open)	2025-08-22	2025-08-23	Standard	ZF Mgcawu (NZF)	5	4	1	Yes	Analysis
2	Namakwa Toernooi 3 2025 (U20)	2025-08-09	2025-08-09	Rapid	Namakwa (NCN)	10	10	8	Yes	Analysis
3	Spartan Bishops Championships Elite 2025 (U18)	2025-05-23	2025-05-25	Standard	Frances Baard (NCF)	5	5	1	Yes	Analysis
4	2025 Namakwa Skaak Toernoei 2.0 (U18)	2025-05-10	2025-05-10	Standard	Namakwa (NCN)	5	5	4	Yes	Analysis

#	Games	Start				End
1	5	Tournament Namakwa Toernooi 3 2025				Tournament Namakwa Toernooi 3 2025
		date 2025-08-09	rnd 6	type Rapid	result 1	date 2025-08-09	rnd 10	type Rapid	result 1
		Opponent Nyirongo, L (Liam)				Opponent Maneville, E (Ethan)
2	4	Tournament 2025 Namakwa Skaak Toernoei 2.0				Tournament 2025 Namakwa Skaak Toernoei 2.0
		date 2025-05-10	rnd 1	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Van Wyk, Z (Zairon)				Opponent Niyorongo, L (Liam)
3	2	Tournament Namakwa Toernooi 3 2025				Tournament Namakwa Toernooi 3 2025
		date 2025-08-09	rnd 3	type Rapid	result 1	date 2025-08-09	rnd 4	type Rapid	result 1
		Opponent Andrews, A (Amber)				Opponent Carlson, K (Kaydo)

#	Games	Start				End
1	4	Tournament 2025 Namakwa Skaak Toernoei 2.0				Tournament 2025 Namakwa Skaak Toernoei 2.0
		date 2025-05-10	rnd 1	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Van Wyk, Z (Zairon)				Opponent Niyorongo, L (Liam)
2	1	Tournament Northern Cape Closed 202				Tournament Northern Cape Closed 202
		date 2025-08-23	rnd 4	type Standard	result 1	date 2025-08-23	rnd 4	type Standard	result 1
		Opponent Crafford, C (Christiaan)				Opponent Crafford, C (Christiaan)
3	1	Tournament Spartan Bishops Championships Elite 2025				Tournament Spartan Bishops Championships Elite 2025
		date 2025-05-24	rnd 3	type Standard	result 1	date 2025-05-24	rnd 3	type Standard	result 1
		Opponent Paul, J (Jaquin Hayden)				Opponent Paul, J (Jaquin Hayden)

#	Games	Start				End
1	5	Tournament Namakwa Toernooi 3 2025				Tournament Namakwa Toernooi 3 2025
		date 2025-08-09	rnd 6	type Rapid	result 1	date 2025-08-09	rnd 10	type Rapid	result 1
		Opponent Nyirongo, L (Liam)				Opponent Maneville, E (Ethan)
2	2	Tournament Namakwa Toernooi 3 2025				Tournament Namakwa Toernooi 3 2025
		date 2025-08-09	rnd 3	type Rapid	result 1	date 2025-08-09	rnd 4	type Rapid	result 1
		Opponent Andrews, A (Amber)				Opponent Carlson, K (Kaydo)
3	1	Tournament Namakwa Toernooi 3 2025				Tournament Namakwa Toernooi 3 2025
		date 2025-08-09	rnd 1	type Rapid	result 1	date 2025-08-09	rnd 1	type Rapid	result 1
		Opponent Losper, R (Rucharl)				Opponent Losper, R (Rucharl)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Namakwa Toernooi 3 2025				Tournament Namakwa Toernooi 3 2025
		date 2025-08-09	rnd 6	type Rapid	result 1	date 2025-08-09	rnd 10	type Rapid	result 1
		Opponent Nyirongo, L (Liam)				Opponent Maneville, E (Ethan)
2	4	Tournament 2025 Namakwa Skaak Toernoei 2.0				Tournament 2025 Namakwa Skaak Toernoei 2.0
		date 2025-05-10	rnd 1	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Van Wyk, Z (Zairon)				Opponent Niyorongo, L (Liam)
3	2	Tournament Namakwa Toernooi 3 2025				Tournament Namakwa Toernooi 3 2025
		date 2025-08-09	rnd 3	type Rapid	result 1	date 2025-08-09	rnd 4	type Rapid	result 1
		Opponent Andrews, A (Amber)				Opponent Carlson, K (Kaydo)

#	Games	Start				End
1	4	Tournament 2025 Namakwa Skaak Toernoei 2.0				Tournament 2025 Namakwa Skaak Toernoei 2.0
		date 2025-05-10	rnd 1	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Van Wyk, Z (Zairon)				Opponent Niyorongo, L (Liam)
2	1	Tournament Northern Cape Closed 202				Tournament Northern Cape Closed 202
		date 2025-08-23	rnd 4	type Standard	result 1	date 2025-08-23	rnd 4	type Standard	result 1
		Opponent Crafford, C (Christiaan)				Opponent Crafford, C (Christiaan)
3	1	Tournament Spartan Bishops Championships Elite 2025				Tournament Spartan Bishops Championships Elite 2025
		date 2025-05-24	rnd 3	type Standard	result 1	date 2025-05-24	rnd 3	type Standard	result 1
		Opponent Paul, J (Jaquin Hayden)				Opponent Paul, J (Jaquin Hayden)

#	Games	Start				End
1	5	Tournament Namakwa Toernooi 3 2025				Tournament Namakwa Toernooi 3 2025
		date 2025-08-09	rnd 6	type Rapid	result 1	date 2025-08-09	rnd 10	type Rapid	result 1
		Opponent Nyirongo, L (Liam)				Opponent Maneville, E (Ethan)
2	2	Tournament Namakwa Toernooi 3 2025				Tournament Namakwa Toernooi 3 2025
		date 2025-08-09	rnd 3	type Rapid	result 1	date 2025-08-09	rnd 4	type Rapid	result 1
		Opponent Andrews, A (Amber)				Opponent Carlson, K (Kaydo)
3	1	Tournament Namakwa Toernooi 3 2025				Tournament Namakwa Toernooi 3 2025
		date 2025-08-09	rnd 1	type Rapid	result 1	date 2025-08-09	rnd 1	type Rapid	result 1
		Opponent Losper, R (Rucharl)				Opponent Losper, R (Rucharl)

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	Madyo ,M (Mbuyiselo)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Madyo ,M (Mbuyiselo)	2	1409.5	984.5	2	1412.8	984.5	0	0	0	0	0	0
2	Du Plessis ,M (Marlon)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Du Plessis ,M (Marlon)	2	1291.2	866.2	2	1301.7	866.2	0	0	0	0	0	0
3	Visagie ,F (Finmo)	2	2	425	1	1	425	1	1	425	0	0	0
3	Visagie ,F (Finmo)	2	1199.9	1624.9	1	1200	1624.9	1	1200	1624.9	0	0	0
4	Visagie ,D (Dilano)	2	2	425	1	1	425	1	1	425	0	0	0
4	Visagie ,D (Dilano)	2	1199.8	1624.8	1	1200	1624.8	1	1200	1624.8	0	0	0
5	Kelarmo ,E (Elius)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Kelarmo ,E (Elius)	1	1164.9	739.9	1	1157.3	739.9	0	0	0	0	0	0
6	Mohobane ,L (Lebajoa)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Mohobane ,L (Lebajoa)	1	1320.8	895.8	1	1265.3	895.8	0	0	0	0	0	0
7	Franzman ,R (Regan)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Franzman ,R (Regan)	1	1288.5	863.5	1	1291.8	863.5	0	0	0	0	0	0
8	Winterbach ,J (Jayden)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Winterbach ,J (Jayden)	1	1312.8	887.8	1	1318.8	887.8	0	0	0	0	0	0
9	Niyorongo ,L (Liam)	1	1	425	1	1	425	0	0	0	0	0	0
9	Niyorongo ,L (Liam)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Paul ,J (Jaquin Hayden)	1	1	425	1	1	425	0	0	0	0	0	0
10	Paul ,J (Jaquin Hayden)	1	1246.5	1671.5	1	1256	1671.5	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

Losper, J (Juwayden)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms