Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jubber, L (Luan)

Chess SA id

1180311049

FIDE id

Date of birth

2018-04-04 (U10)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-12-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1362.8	1376.9	1194.7	1200
Raw rating	1362.8	1376.9	1182.7	1200
Weighted rating	1322.1	1332	1194.7	1200
Weighted performance	1257.9	1304.8	0	0
Floor	918.2	930.9	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	131.5	128.9	169.9	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	1322.1 2026-01-01	1332 2026-01-01	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	-1.1	0
New rating	1362.8	1376.9	1193.5	1200
Analysis
Rating	1362.8	1376.9	1194.7	1200
Raw rating	1362.8	1376.9	1182.7	1200
Weighted rating	1322.1	1332	1194.7
Weighted performance	1257.9	1304.8	0
K-factor	32	32	36	36
Floor	918.2	930.9	700	700
Max/Min rating change allowed	131.5	128.9	169.9	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	1362.8	1376.9	1182.7	1200
New weighted rating	1329	1339.6	1193.5	1200
New weighted performance	1249.5	1296	0	0
Temp new rating	1362.8	1376.9	1193.5	1200
Temp new rating +/-	0	0	-1.1	0
Final new rating +/-	0	0	-1.1	0
New rating	1362.8	1376.9	1193.5	1200
New K-factor	32	32	36	36
New floor	918.2	930.9	700	700

Item	Main	Standard	Rapid
	0	0	0
	57	46	11
	1	1	0
	0	0	0
	0	0	0
	0	0	0
History	58	47	11

Games since
	Main 58	Standard 47		Rapid 11		Blitz 0
Gender	Male
Age group	U8
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2173		668		174
Male	1776		529		137
U8	27		11		8
U8 Male	21		8		6
Standard
	RSA		Province		Region
Overall	1770		481		130
Male	1462		384		104
U8	22		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	57	36.5	64.04	119.3	1272.6	1391.9
Standard	46	31.5	68.48	157.1	1248.5	1405.6
Rapid	11	5	45.45	-38.6	1373.5	1334.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	58	36.5	62.93	109.9	1273.1	1383
Standard	47	31.5	67.02	144.7	1249.6	1394.3
Rapid	11	5	45.45	-38.6	1373.5	1334.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1362.8	1376.9	1182.7	1200
2025-11-30	1400.7	1430.9	1182.7	1200
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
2024-11-01	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	2025 Mzansi Inter Provincial Team Championships (U8 Open)	2025-12-15	2025-12-17	Standard	Nelson Mandela Bay (ENM)	6	5	2	Yes	Analysis
2	Voories Skaaktoernooi 2025 (O7)	2025-11-08	2025-11-08	Rapid	Eden (WEG)	5	5	3	Yes	Analysis
3	HCPS Invitational Rapid Tournament 2025 (U7)	2025-10-18	2025-10-18	Rapid	Eden (WEG)	6	6	2	Yes	Analysis
4	Western Cape Schools - Top Schools 2025 (U7)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	5	4	Yes	Analysis
5	George Top Schools 2025 (U7)	2025-07-26	2025-07-26	Standard	Eden (WEG)	5	5	4	Yes	Analysis
6	Western Cape Schools Individual Championship 2025 (U7 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	3.5	Yes	Analysis
7	Eden Chess Trials 2 2025 (U8)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	6	Yes	Analysis
8	Eden Schools Chess Trials 1 2025 (U7 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	3	Yes	Analysis
9	George Schools Chess Trials 3 2025 (U7 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	5	Yes	Analysis
10	George Schools Chess Trials 2 2025 (U7 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
11	George Schools Chess Trials 1 2025 (U7 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
12	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	Beukes ,R (Ruan)	5	1.5	-170	3	1.5	0	2	0	-425	0	0	0
1	Beukes ,R (Ruan)	5	1352	1182	3	1264.6	1352	2	1218	927	0	0	0
2	Hoffmann ,D (Dani�l)	4	0	-425	4	0	-425	0	0	0	0	0	0
2	Hoffmann ,D (Dani�l)	4	1389.1	964.1	4	1406.1	964.1	0	0	0	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	Faruk ,A (Amaar)	3	1	-141.7	1	1	425	2	0	-425	0	0	0
4	Faruk ,A (Amaar)	3	1358.1	1216.5	1	1258.2	1783.1	2	1200	933.1	0	0	0
5	Damane ,K (Khanya)	2	1	0	2	1	0	0	0	0	0	0	0
5	Damane ,K (Khanya)	2	1240.4	1240.4	2	1250	1240.4	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	Kritzinger ,D (Danie)	2	1	0	2	1	0	0	0	0	0	0	0
7	Kritzinger ,D (Danie)	2	1207.5	1207.5	2	1209	1207.5	0	0	0	0	0	0
8	Blom ,L (Luca)	2	1	0	2	1	0	0	0	0	0	0	0
8	Blom ,L (Luca)	2	1248.3	1248.3	2	1258.2	1248.3	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	Roberts ,L (Luke)	2	1	0	2	1	0	0	0	0	0	0	0
10	Roberts ,L (Luke)	2	1218.9	1218.9	2	1224.9	1218.9	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