Chess South Africa Ratings Database

PLAYER PAGE

Personal

Gelderblom, L (Luan)

Chess SA id

1180315235

FIDE id

Date of birth

2018-01-10 (U10)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1294.1	1308.9	1200	1200
Raw rating	1294.1	1308.9	1200	1200
Weighted rating	1264.3	1274.5	1200	1200
Weighted performance	0	0	0	0
Floor	794.1	808.9	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	145	142	165.8	165.8
Highest rating	1294.1 2025-04-01	1308.9 2025-04-01	1200 2025-03-01	1200 2025-03-01
Highest raw rating	1294.1 2025-04-01	1308.9 2025-04-01	1200 2025-03-01	1200 2025-03-01
Highest weighted rating	1238.7 2025-08-01	1245 2025-08-01	1200 2025-03-01	1200 2025-03-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1294.1	1308.9	1200	1200
Analysis
Rating	1294.1	1308.9	1200	1200
Raw rating	1294.1	1308.9	1200	1200
Weighted rating	1264.3	1274.5	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	794.1	808.9	700	700
Max/Min rating change allowed	145	142	165.8	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	1294.1	1308.9	1200	1200
New weighted rating	1268.4	1279.3	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1294.1	1308.9	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1294.1	1308.9	1200	1200
New K-factor	36	36	36	36
New floor	794.1	808.9	700	700

Item	Main	Standard
	0	0
	15	15
	0	0
	0	0
	0	0
	0	0
History	15	15

Games since
	Main 15	Standard 15		Rapid 0		Blitz 0
Gender	Male
Age group	U8
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U8	-1		-1		-1
U8 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U8	-1		-1		-1
U8 Male	-1		-1		-1
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	15	11	73.33	198.3	1204.6	1402.9
Standard	15	11	73.33	198.3	1204.6	1402.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	15	11	73.33	198.3	1204.6	1402.9
Standard	15	11	73.33	198.3	1204.6	1402.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1294.1	1308.9	1200	1200
2025-11-30	1294.1	1308.9	1200	1200
2025-11-01	1294.1	1308.9	1200	1200
2025-09-30	1294.1	1308.9	1200	1200
2025-09-01	1294.1	1308.9	1200	1200
2025-08-01	1294.1	1308.9	1200	1200
2025-07-01	1294.1	1308.9	1200	1200
2025-06-01	1294.1	1308.9	1200	1200
2025-05-01	1294.1	1308.9	1200	1200
2025-04-01	1294.1	1308.9	1200	1200
2025-03-01	1266.4	1280	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	Hessequa Ontwikkelings Toernooi 2025 (U7)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	4	4	Yes	Analysis
2	Eden Schools Chess Trials 1 2025 (U7 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	2	Yes	Analysis
3	Hessequa Skole Proewe 2 2025 (U7 Mix)	2025-01-15	2025-01-15	Standard	Eden (WEG)	6	6	5	Yes	Analysis

#	Games	Start				End
1	10	Tournament Hessequa Skole Proewe 2 2025				Tournament Hessequa Ontwikkelings Toernooi 2025
		date 2025-01-25	rnd 1	type Standard	result 1	date 2025-01-25	rnd 5	type Standard	result 1
		Opponent Jansen, J (Jenily)				Opponent Roberts, L (Luke)
2	2	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 0.5
		Opponent Briekwa, L (Lucian)				Opponent Gina, N (Nkosenhle)
3	1	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 2	type Standard	result 0.5	date 2025-03-08	rnd 2	type Standard	result 0.5
		Opponent Stander, D (Dawid)				Opponent Stander, D (Dawid)

#	Games	Start				End
1	10	Tournament Hessequa Skole Proewe 2 2025				Tournament Hessequa Ontwikkelings Toernooi 2025
		date 2025-01-25	rnd 1	type Standard	result 1	date 2025-01-25	rnd 5	type Standard	result 1
		Opponent Jansen, J (Jenily)				Opponent Roberts, L (Luke)
2	2	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 0.5
		Opponent Briekwa, L (Lucian)				Opponent Gina, N (Nkosenhle)
3	1	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 2	type Standard	result 0.5	date 2025-03-08	rnd 2	type Standard	result 0.5
		Opponent Stander, D (Dawid)				Opponent Stander, D (Dawid)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament Hessequa Skole Proewe 2 2025				Tournament Hessequa Ontwikkelings Toernooi 2025
		date 2025-01-25	rnd 4	type Standard	result 1	date 2025-01-25	rnd 5	type Standard	result 1
		Opponent Jansen, J (Jenily)				Opponent Roberts, L (Luke)
2	1	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Briekwa, L (Lucian)				Opponent Briekwa, L (Lucian)
3	1	Tournament Hessequa Skole Proewe 2 2025				Tournament Hessequa Skole Proewe 2 2025
		date 2025-01-25	rnd 1	type Standard	result 1	date 2025-01-25	rnd 1	type Standard	result 1
		Opponent Jansen, J (Jenily)				Opponent Jansen, J (Jenily)

#	Games	Start				End
1	7	Tournament Hessequa Skole Proewe 2 2025				Tournament Hessequa Ontwikkelings Toernooi 2025
		date 2025-01-25	rnd 4	type Standard	result 1	date 2025-01-25	rnd 5	type Standard	result 1
		Opponent Jansen, J (Jenily)				Opponent Roberts, L (Luke)
2	1	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-03-08	rnd 4	type Standard	result 1
		Opponent Briekwa, L (Lucian)				Opponent Briekwa, L (Lucian)
3	1	Tournament Hessequa Skole Proewe 2 2025				Tournament Hessequa Skole Proewe 2 2025
		date 2025-01-25	rnd 1	type Standard	result 1	date 2025-01-25	rnd 1	type Standard	result 1
		Opponent Jansen, J (Jenily)				Opponent Jansen, J (Jenily)

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	Hartnick ,J (Janique)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
1	Hartnick ,J (Janique)	3	1199.1	1482.4	3	1198.9	1482.4	0	0	0	0	0	0
2	Jansen ,J (Janily)	3	3	425	3	3	425	0	0	0	0	0	0
2	Jansen ,J (Janily)	3	1198.2	1623.2	3	1197.9	1623.2	0	0	0	0	0	0
3	Hartnick ,T (Tyler)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
3	Hartnick ,T (Tyler)	3	1211.1	1494.4	3	1213.3	1494.4	0	0	0	0	0	0
4	Theron ,F (Francois)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Theron ,F (Francois)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Jubber ,L (Luan)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Jubber ,L (Luan)	1	1230.4	805.4	1	1237.3	805.4	0	0	0	0	0	0
6	Gina ,N (Nkosenhle)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Gina ,N (Nkosenhle)	1	1216.8	1216.8	1	1220.5	1216.8	0	0	0	0	0	0
7	Roberts ,L (Luke)	1	1	425	1	1	425	0	0	0	0	0	0
7	Roberts ,L (Luke)	1	1199.9	1624.9	1	1199.9	1624.9	0	0	0	0	0	0
8	Stander ,D (Dawid)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Stander ,D (Dawid)	1	1198.7	1198.7	1	1198.4	1198.7	0	0	0	0	0	0
9	Briekwa ,L (Lucian)	1	1	425	1	1	425	0	0	0	0	0	0
9	Briekwa ,L (Lucian)	1	1198.1	1623.1	1	1197.6	1623.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Gelderblom, L (Luan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms