Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzee, L (Leon)

Chess SA id

1130311074

FIDE id

Date of birth

2013-12-29 (U14)

Gender

Male

Region

Overberg (WOS)

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	1143.4	1165.9	1155.4	1200
Raw rating	1116.3	1165.9	1103.7	1200
Weighted rating	1143.4	1160.7	1155.4	1200
Weighted performance	735.9	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	186.8	174.1	190.2	165.8
Highest rating	1200 2024-09-01	1200 2024-09-01	1200 2024-09-01	1200 2024-09-01
Highest raw rating	1200 2024-09-01	1200 2024-09-01	1200 2024-09-01	1200 2024-09-01
Highest weighted rating	1200 2024-09-01	1200 2024-09-01	1200 2024-09-01	1200 2024-09-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-12-01	1200 2024-09-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-3.3	0	-5.2	0
New rating	1140.1	1165.9	1150.2	1200
Analysis
Rating	1143.4	1165.9	1155.4	1200
Raw rating	1116.3	1165.9	1103.7	1200
Weighted rating	1143.4	1160.7	1155.4
Weighted performance	735.9	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	186.8	174.1	190.2	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	1116.3	1165.9	1103.7	1200
New weighted rating	1140.1	1160.4	1150.2	1200
New weighted performance	735.7	0	0	0
Temp new rating	1140.1	1165.9	1150.2	1200
Temp new rating +/-	-3.3	0	-5.2	0
Final new rating +/-	-3.3	0	-5.2	0
New rating	1140.1	1165.9	1150.2	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	9	0	9
	16	5	11
	0	0	0
	0	0	0
	0	0	0
History	25	5	20

Games since
	Main 25	Standard 5		Rapid 20		Blitz 0
Gender	Male
Age group	U14
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	1806		918		141
Male	1361		673		90
U14	388		206		28
U14 Male	267		138		16
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	9	0	0	-425	1197.8	772.8
Standard	0	0	0	0	0	0
Rapid	9	0	0	-425	1197.8	772.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	25	2	8	-357	1223.4	866.4
Standard	5	0	0	-425	1184	759
Rapid	20	2	10	-340	1233.2	893.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1116.3	1165.9	1103.7	1200
2025-09-01	1116.3	1165.9	1103.7	1200
2025-08-01	1155.4	1165.9	1169.5	1200
2025-07-01	1155.4	1165.9	1169.5	1200
2025-06-01	1155.4	1165.9	1169.5	1200
2025-05-01	1155.4	1165.9	1169.5	1200
2025-04-01	1155.4	1165.9	1169.5	1200
2025-03-01	1153.1	1165.9	1164.1	1200
2025-02-01	1152.2	1162.2	1167.9	1200
2025-01-01	1068.2	1096.8	1108.4	1200
2024-12-01	1068.2	1096.8	1108.4	1200
2024-11-01	1068.2	1096.8	1108.4	1200
2024-10-01	1076.6	1096.8	1130	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	Cape Winelands Top Schools 2025 (U13)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	5	4	0	Yes	Analysis
2	Overberg Schools & Federation Open 2025 (U13)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	5	0	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Winelands Top Schools 2025 (U13)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	5	4	0	Yes	Analysis
2	Overberg Schools & Federation Open 2025 (U13)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	5	0	Yes	Analysis
3	Worcester Knock-Out 2024 (U11 Boys)	2024-10-19	2024-10-19	Rapid	Cape Winelands (WCW)	6	5	1	Yes	Analysis
4	Goue Akkertjies 2024	2024-09-10	2024-09-12	Standard	Cape Winelands (WCW)	5	5	0	Yes	Analysis
5	Kleinmond Chess Club Open 2024 (U12)	2024-09-07	2024-09-07	Rapid	Overberg (WOS)	6	6	1	Yes	Analysis

#	Games	Start				End
1	1	Tournament Worcester Knock-Out 2024				Tournament Worcester Knock-Out 2024
		date 2024-10-19	rnd 2	type Rapid	result 1	date 2024-10-19	rnd 2	type Rapid	result 1
		Opponent Botha, H (Hagan Micha)				Opponent Botha, H (Hagan Micha)
2	1	Tournament Kleinmond Chess Club Open 2024				Tournament Kleinmond Chess Club Open 2024
		date 2024-09-07	rnd 4	type Rapid	result 1	date 2024-09-07	rnd 4	type Rapid	result 1
		Opponent Nyika, A (Alvin)				Opponent Nyika, A (Alvin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Worcester Knock-Out 2024				Tournament Worcester Knock-Out 2024
		date 2024-10-19	rnd 2	type Rapid	result 1	date 2024-10-19	rnd 2	type Rapid	result 1
		Opponent Botha, H (Hagan Micha)				Opponent Botha, H (Hagan Micha)
2	1	Tournament Kleinmond Chess Club Open 2024				Tournament Kleinmond Chess Club Open 2024
		date 2024-09-07	rnd 4	type Rapid	result 1	date 2024-09-07	rnd 4	type Rapid	result 1
		Opponent Nyika, A (Alvin)				Opponent Nyika, A (Alvin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Worcester Knock-Out 2024				Tournament Worcester Knock-Out 2024
		date 2024-10-19	rnd 2	type Rapid	result 1	date 2024-10-19	rnd 2	type Rapid	result 1
		Opponent Botha, H (Hagan Micha)				Opponent Botha, H (Hagan Micha)
2	1	Tournament Kleinmond Chess Club Open 2024				Tournament Kleinmond Chess Club Open 2024
		date 2024-09-07	rnd 4	type Rapid	result 1	date 2024-09-07	rnd 4	type Rapid	result 1
		Opponent Nyika, A (Alvin)				Opponent Nyika, A (Alvin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Worcester Knock-Out 2024				Tournament Worcester Knock-Out 2024
		date 2024-10-19	rnd 2	type Rapid	result 1	date 2024-10-19	rnd 2	type Rapid	result 1
		Opponent Botha, H (Hagan Micha)				Opponent Botha, H (Hagan Micha)
2	1	Tournament Kleinmond Chess Club Open 2024				Tournament Kleinmond Chess Club Open 2024
		date 2024-09-07	rnd 4	type Rapid	result 1	date 2024-09-07	rnd 4	type Rapid	result 1
		Opponent Nyika, A (Alvin)				Opponent Nyika, A (Alvin)

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	Viljoen ,S (Steyn)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Viljoen ,S (Steyn)	1	1118.7	693.7	1	1177.2	693.7	0	0	0	0	0	0
2	Henning ,S (Schalk)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Henning ,S (Schalk)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Prinsloo ,E (Elzaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Prinsloo ,E (Elzaan)	1	1102.7	677.7	1	1084	677.7	0	0	0	0	0	0
4	Venter ,D (Danelize)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Venter ,D (Danelize)	1	1161.5	736.5	1	1169	736.5	0	0	0	0	0	0
5	Mudau ,U (Unarine)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Mudau ,U (Unarine)	1	1273.8	848.8	0	0	0	1	1247.6	848.8	0	0	0
6	Mkhapheni ,A (Ayakha)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Mkhapheni ,A (Ayakha)	1	1157.9	732.9	0	0	0	1	1105.2	732.9	0	0	0
7	Woldhana ,F (Faaris)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Woldhana ,F (Faaris)	1	1200	775	0	0	0	1	1200	775	0	0	0
8	Collins ,E (Esme)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Collins ,E (Esme)	1	1191.3	766.3	0	0	0	1	1215.1	766.3	0	0	0
9	Nyika ,A (Alvin)	1	1	425	0	0	0	1	1	425	0	0	0
9	Nyika ,A (Alvin)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Drury ,R (Riko)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Drury ,R (Riko)	1	1183.4	758.4	0	0	0	1	1140.8	758.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Coetzee, L (Leon)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms