Chess South Africa Ratings Database

PLAYER PAGE

Personal

Losper, J (Juwayden)

Chess SA id

1080308087

FIDE id

Date of birth

2008-09-12 (U20)

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

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1244.4	1198.7	1311	1200
Raw rating	1244.4	1191.6	1311	1200
Weighted rating	1218.2	1198.7	1240.7	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	-0.6	0	0
New rating	1244.4	1198.1	1311	1200
Analysis
Rating	1244.4	1198.7	1311	1200
Raw rating	1244.4	1191.6	1311	1200
Weighted rating	1218.2	1198.7	1240.7
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	1220.9	1198.1	1247.7	1200
New weighted performance	0	0	0	0
Temp new rating	1244.4	1198.1	1311	1200
Temp new rating +/-	0	-0.6	0	0
Final new rating +/-	0	-0.6	0	0
New rating	1244.4	1198.1	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
2026-01-01	1244.4	1191.6	1311	1200
2025-11-30	1244.4	1191.6	1311	1200
2025-11-01	1244.4	1191.6	1311	1200
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
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-05-01	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

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	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