Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jubber, L (Luan)

Chess SA id

1180311049

FIDE id

Date of birth

2018-04-04 (U8)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

48.5

Junior GPX Points

1340.1

Item	Main	Standard	Rapid	Blitz
Rating	1400.7	1430.9	1197.1	1200
Raw rating	1400.7	1430.9	1164	1200
Weighted rating	1303.7	1310.7	1197.1	1200
Weighted performance	1339.1	1395.7	0	0
Floor	918.2	930.9	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	124.6	119.3	174.5	165.8
Highest rating	1418.2 2025-09-30	1430.9 2025-09-30	1200 2024-09-01	1200 2024-09-01
Highest raw rating	1418.2 2025-09-30	1430.9 2025-09-30	1200 2024-09-01	1200 2024-09-01
Highest weighted rating	1303.7 2025-11-01	1296.8 2025-09-30	1200 2024-09-01	1200 2024-09-01
Highest weighted performance	1401.7 2025-09-30	1411.6 2025-09-30	1200 2024-09-01	1200 2024-09-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	-2.8	0
New rating	1400.7	1430.9	1194.4	1200
Analysis
Rating	1400.7	1430.9	1197.1	1200
Raw rating	1400.7	1430.9	1164	1200
Weighted rating	1303.7	1310.7	1197.1
Weighted performance	1339.1	1395.7	0
K-factor	32	32	36	36
Floor	918.2	930.9	700	700
Max/Min rating change allowed	124.6	119.3	174.5	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	1400.7	1430.9	1164	1200
New weighted rating	1314.8	1323.9	1194.4	1200
New weighted performance	1331.1	1387.2	0	0
Temp new rating	1400.7	1430.9	1194.4	1200
Temp new rating +/-	0	0	-2.8	0
Final new rating +/-	0	0	-2.8	0
New rating	1400.7	1430.9	1194.4	1200
New K-factor	32	32	36	36
New floor	918.2	930.9	700	700

Item	Main	Standard	Rapid
	0	0	0
	52	46	6
	1	1	0
	0	0	0
	0	0	0
	0	0	0
History	53	47	6

Games since
	Main 53	Standard 47		Rapid 6		Blitz 0
Gender	Male
Age group	U8
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2169		677		176
Male	1771		535		139
U8	28		11		8
U8 Male	21		8		6
Standard
	RSA		Province		Region
Overall	1771		483		132
Male	1466		387		105
U8	21		8		7
U8 Male	18		6		5
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U8	-1		-1		-1
U8 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U8	-1		-1		-1
U8 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	52	33.5	64.42	122.6	1267.8	1390.4
Standard	46	31.5	68.48	157.1	1248.5	1405.6
Rapid	6	2	33.33	-141.7	1416	1274.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	53	33.5	63.21	112.3	1268.4	1380.7
Standard	47	31.5	67.02	144.7	1249.6	1394.3
Rapid	6	2	33.33	-141.7	1416	1274.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1400.7	1430.9	1164	1200
2025-09-30	1418.2	1430.9	1200	1200
2025-09-01	1396.4	1409.2	1200	1200
2025-08-01	1396.4	1409.2	1200	1200
2025-07-01	1381	1390.2	1200	1200
2025-06-01	1381	1390.2	1200	1200
2025-05-01	1381.9	1390.6	1200	1200
2025-04-01	1364.2	1369.4	1200	1200
2025-03-01	1230.4	1237.3	1200	1200
2025-02-01	1194.8	1193.7	1200	1200
2025-01-01	1185.7	1182.8	1200	1200
2024-12-01	1185.7	1182.8	1200	1200
2024-11-01	1185.7	1182.8	1200	1200
2024-10-01	1185.7	1182.8	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	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
2024-01-01	1200	1200	1200	1200
2023-12-01	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	HCPS Invitational Rapid Tournament 2025 (U7)	2025-10-18	2025-10-18	Rapid	Eden (WEG)	6	6	2	Yes	Analysis
2	Western Cape Schools - Top Schools 2025 (U7)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	5	4	Yes	Analysis
3	George Top Schools 2025 (U7)	2025-07-26	2025-07-26	Standard	Eden (WEG)	5	5	4	Yes	Analysis
4	Western Cape Schools Individual Championship 2025 (U7 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
5	Eden Chess Trials 2 2025 (U8)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	6	Yes	Analysis
6	Eden Schools Chess Trials 1 2025 (U7 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	3	Yes	Analysis
7	George Schools Chess Trials 3 2025 (U7 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	5	Yes	Analysis
8	George Schools Chess Trials 2 2025 (U7 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
9	George Schools Chess Trials 1 2025 (U7 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	HCPS Invitational Rapid Tournament 2025 (U7)	2025-10-18	2025-10-18	Rapid	Eden (WEG)	6	6	2	Yes	Analysis
2	Western Cape Schools - Top Schools 2025 (U7)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	5	4	Yes	Analysis
3	George Top Schools 2025 (U7)	2025-07-26	2025-07-26	Standard	Eden (WEG)	5	5	4	Yes	Analysis
4	Western Cape Schools Individual Championship 2025 (U7 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
5	Eden Chess Trials 2 2025 (U8)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	6	Yes	Analysis
6	Eden Schools Chess Trials 1 2025 (U7 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	3	Yes	Analysis
7	George Schools Chess Trials 3 2025 (U7 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	5	Yes	Analysis
8	George Schools Chess Trials 2 2025 (U7 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
9	George Schools Chess Trials 1 2025 (U7 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
10	Western Cape Top Schools Championship 2024 (U7 Mixed)	2024-08-30	2024-09-01	Standard	Eden (WEG)	5	1	0	Yes	Analysis

#	Games	Start				End
1	8	Tournament George Schools Chess Trials 3 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-01	rnd 1	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Kritzinger, D (Danie)				Opponent Blom, L (Luca)
2	4	Tournament George Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-07-26	rnd 4	type Standard	result 1	date 2025-09-06	rnd 2	type Standard	result 1
		Opponent Oosthuizen, N (Nico)				Opponent Raaths, D (Dylan)
3	4	Tournament George Schools Chess Trials 2 2025				Tournament George Schools Chess Trials 2 2025
		date 2025-02-15	rnd 1	type Standard	result 1	date 2025-02-15	rnd 4	type Standard	result 1
		Opponent Bobi, E (Ekho)				Opponent Damane, K (Khanya)

#	Games	Start				End
1	8	Tournament George Schools Chess Trials 3 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-01	rnd 1	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Kritzinger, D (Danie)				Opponent Blom, L (Luca)
2	4	Tournament George Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-07-26	rnd 4	type Standard	result 1	date 2025-09-06	rnd 2	type Standard	result 1
		Opponent Oosthuizen, N (Nico)				Opponent Raaths, D (Dylan)
3	4	Tournament George Schools Chess Trials 2 2025				Tournament George Schools Chess Trials 2 2025
		date 2025-02-15	rnd 1	type Standard	result 1	date 2025-02-15	rnd 4	type Standard	result 1
		Opponent Bobi, E (Ekho)				Opponent Damane, K (Khanya)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament George Schools Chess Trials 3 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-01	rnd 1	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Kritzinger, D (Danie)				Opponent Blom, L (Luca)
2	4	Tournament George Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-07-26	rnd 4	type Standard	result 1	date 2025-09-06	rnd 2	type Standard	result 1
		Opponent Oosthuizen, N (Nico)				Opponent Raaths, D (Dylan)
3	3	Tournament Western Cape Schools Individual Championship 2025				Tournament George Top Schools 2025
		date 2025-05-18	rnd 6	type Standard	result 1	date 2025-07-26	rnd 2	type Standard	result 1
		Opponent Theron, F (Francois)				Opponent Markotter, J (JW)

#	Games	Start				End
1	8	Tournament George Schools Chess Trials 3 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-01	rnd 1	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Kritzinger, D (Danie)				Opponent Blom, L (Luca)
2	4	Tournament George Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-07-26	rnd 4	type Standard	result 1	date 2025-09-06	rnd 2	type Standard	result 1
		Opponent Oosthuizen, N (Nico)				Opponent Raaths, D (Dylan)
3	3	Tournament Western Cape Schools Individual Championship 2025				Tournament George Top Schools 2025
		date 2025-05-18	rnd 6	type Standard	result 1	date 2025-07-26	rnd 2	type Standard	result 1
		Opponent Theron, F (Francois)				Opponent Markotter, J (JW)

No games found.

#	Games	Start				End

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	Hoffmann ,D (Dani�l)	4	0	-425	4	0	-425	0	0	0	0	0	0
1	Hoffmann ,D (Dani�l)	4	1389.1	964.1	4	1406.1	964.1	0	0	0	0	0	0
2	Beukes ,R (Ruan)	4	1.5	-106.2	3	1.5	0	1	0	-425	0	0	0
2	Beukes ,R (Ruan)	4	1313.9	1207.7	3	1264.6	1313.9	1	1200	888.9	0	0	0
3	Vlietstra ,L (Lily)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
3	Vlietstra ,L (Lily)	3	1440.7	1299	2	1436.3	1440.7	1	1200	1015.7	0	0	0
4	Damane ,K (Khanya)	2	1	0	2	1	0	0	0	0	0	0	0
4	Damane ,K (Khanya)	2	1240.4	1240.4	2	1250	1240.4	0	0	0	0	0	0
5	Kritzinger ,D (Danie)	2	1	0	2	1	0	0	0	0	0	0	0
5	Kritzinger ,D (Danie)	2	1207.5	1207.5	2	1209	1207.5	0	0	0	0	0	0
6	Owen ,A (Aliandro)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Owen ,A (Aliandro)	2	1266.1	841.1	2	1278.6	841.1	0	0	0	0	0	0
7	Blom ,L (Luca)	2	1	0	2	1	0	0	0	0	0	0	0
7	Blom ,L (Luca)	2	1248.3	1248.3	2	1258.2	1248.3	0	0	0	0	0	0
8	Roberts ,L (Luke)	2	1	0	2	1	0	0	0	0	0	0	0
8	Roberts ,L (Luke)	2	1218.9	1218.9	2	1224.9	1218.9	0	0	0	0	0	0
9	Bobi ,E (Ekho)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
9	Bobi ,E (Ekho)	2	1200	1412.5	2	1200	1412.5	0	0	0	0	0	0
10	Booysen ,J (Joshua)	2	2	425	2	2	425	0	0	0	0	0	0
10	Booysen ,J (Joshua)	2	1216.9	1641.9	2	1237.4	1641.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Jubber, L (Luan)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms