Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Kock, L (Leon)

Chess SA id

107050586

FIDE id

Date of birth

2007-01-29 (U20)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-01-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1263.4	1256.2	811.6	811.6
Raw rating	1263.4	1256.2	811.6	811.6
Weighted rating	1263.4	1256.2	811.6	811.6
Weighted performance	300.4	299.3	0	0
Floor	763.4	756.2	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	151.5	153.1	288.4	288.4
Highest rating	1276.6 2019-04-01	1265.7 2019-04-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1263.4 2024-02-01	1256.2 2024-02-01	811.6 2024-02-01	811.6 2024-02-01
Highest weighted rating	1263.4 2024-02-01	1256.2 2025-02-01	811.6 2024-11-01	811.6 2024-11-01
Highest weighted performance	1276.6 2019-04-01	1265.7 2019-04-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1263.4	1256.2	811.6	811.6
Analysis
Rating	1263.4	1256.2	811.6	811.6
Raw rating	1263.4	1256.2	811.6	811.6
Weighted rating	1263.4	1256.2	811.6
Weighted performance	300.4	299.3	0
K-factor	36	36	40	40
Floor	763.4	756.2	500	500
Max/Min rating change allowed	151.5	153.1	288.4	288.4
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	1263.4	1256.2	811.6	811.6
New weighted rating	1263.4	1256.2	811.6	811.6
New weighted performance	299.9	298.9	0	0
Temp new rating	1263.4	1256.2	811.6	811.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1263.4	1256.2	811.6	811.6
New K-factor	36	36	40	40
New floor	763.4	756.2	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	227	221	6

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	78	47	60.26	87.2	1074.1	1161.2
Standard	78	47	60.26	87.2	1074.1	1161.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1263.4	1256.2	811.6	811.6
2025-09-01	1263.4	1256.2	811.6	811.6
2025-08-01	1263.4	1256.2	811.6	811.6
2025-07-01	1263.4	1256.2	811.6	811.6
2025-06-01	1263.4	1256.2	811.6	811.6
2025-05-01	1263.4	1256.2	811.6	811.6
2025-04-01	1263.4	1256.2	811.6	811.6
2025-03-01	1263.4	1256.2	811.6	811.6
2025-02-01	1263.4	1256.2	811.6	811.6
2025-01-01	1263.4	1256.2	811.6	811.6
2024-12-01	1263.4	1256.2	811.6	811.6
2024-11-01	1263.4	1256.2	811.6	811.6
2024-10-01	1263.4	1256.2	811.6	811.6
2024-09-01	1263.4	1256.2	811.6	811.6
2024-08-01	1263.4	1256.2	811.6	811.6
2024-07-01	1263.4	1256.2	811.6	811.6
2024-06-01	1263.4	1256.2	811.6	811.6
2024-08-01	1263.4	1256.2	811.6	811.6
2024-04-01	1263.4	1256.2	811.6	811.6
2024-03-01	1263.4	1256.2	811.6	811.6
2024-02-01	1263.4	1256.2	811.6	811.6
2024-01-01	1263.4	1256.2	811.6	811.6
2023-12-01	1263.4	1256.2	811.6	811.6
2023-11-01	1263.4	1256.2	811.6	811.6

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	2019 South African Junior Team Championships (U14D)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis
2	JNW Club - Helpmekaar Kollege Open 2019 (C)	2019-07-06	2019-07-06	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
3	JHB Metro Closed 2019 (U14)	2019-07-27	2019-07-28	Standard	Johannesburg Metro (GJM)	6	5	2.5	Yes	Analysis
4	Chessnuts Under 1200 6 April 2019 (Kings)	2019-04-06	2019-04-06	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
5	Chessnuts Under 1200 27 April 2019 (Kings)	2019-04-27	2019-04-27	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
6	JNW Club - Bryanston Open 1 2019 (C)	2019-01-26	2019-01-26	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
7	South African Junior Team Championships 2018 (U12B)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis
8	JNW Club - Maragon Open 2018 (C)	2018-08-04	2018-08-04	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
9	JHB Metro Junior Closed 2018 (U12)	2018-07-28	2018-07-29	Standard	Johannesburg Metro (GJM)	6	6	4.5	Yes	Analysis
10	Boksburg Chess Club Open 2018 (U12)	2018-07-14	2018-07-14	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
11	JNW Club - Unika Scholar 2018 (Open)	2018-06-02	2018-06-02	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
12	GoForChess Grayston Junior Chess Championship 2018 (U12)	2018-06-10	2018-06-10	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
13	JNW Club - Bryanston Open 2018 (C)	2018-01-26	2018-01-27	Standard	Johannesburg Metro (GJM)	6	6	2.5	Yes	Analysis
14	South African Junior Team Championships 2017 (U12A)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	3.5	Yes	Analysis

#	Games	Start				End
1	6	Tournament JNW Club - Unika Scholar 2018				Tournament GoForChess Grayston Junior Chess Championship 2018
		date 2018-06-02	rnd 2	type Standard	result 1	date 2018-06-10	rnd 2	type Standard	result 1
		Opponent Van Blomestein, M (Matthew)				Opponent Badenhorst, C (Chloe)
2	4	Tournament JNW Club - Bryanston Open 1 2019				Tournament Chessnuts Under 1200 6 April 2019
		date 2019-01-26	rnd 4	type Standard	result 1	date 2019-04-06	rnd 2	type Standard	result 1
		Opponent Kata, J (Jonathan)				Opponent Naidoo, K (Kajol)
3	4	Tournament South African Junior Team Championships 2018				Tournament JNW Club - Bryanston Open 1 2019
		date 2018-12-19	rnd 6	type Standard	result 1	date 2019-01-26	rnd 2	type Standard	result 1
		Opponent Onwusaka, L (Lucky)				Opponent Van Blomestein, M (Matthew)

#	Games	Start				End
1	6	Tournament JNW Club - Unika Scholar 2018				Tournament GoForChess Grayston Junior Chess Championship 2018
		date 2018-06-02	rnd 2	type Standard	result 1	date 2018-06-10	rnd 2	type Standard	result 1
		Opponent Van Blomestein, M (Matthew)				Opponent Badenhorst, C (Chloe)
2	4	Tournament JNW Club - Bryanston Open 1 2019				Tournament Chessnuts Under 1200 6 April 2019
		date 2019-01-26	rnd 4	type Standard	result 1	date 2019-04-06	rnd 2	type Standard	result 1
		Opponent Kata, J (Jonathan)				Opponent Naidoo, K (Kajol)
3	4	Tournament South African Junior Team Championships 2018				Tournament JNW Club - Bryanston Open 1 2019
		date 2018-12-19	rnd 6	type Standard	result 1	date 2019-01-26	rnd 2	type Standard	result 1
		Opponent Onwusaka, L (Lucky)				Opponent Van Blomestein, M (Matthew)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament South African Junior Team Championships 2018				Tournament JNW Club - Bryanston Open 1 2019
		date 2018-12-19	rnd 6	type Standard	result 1	date 2019-01-26	rnd 2	type Standard	result 1
		Opponent Onwusaka, L (Lucky)				Opponent Van Blomestein, M (Matthew)
2	3	Tournament Chessnuts Under 1200 6 April 2019				Tournament Chessnuts Under 1200 27 April 2019
		date 2019-04-06	rnd 4	type Standard	result 1	date 2019-04-27	rnd 1	type Standard	result 1
		Opponent Rushworth, M (Megan)				Opponent Smith, Z (Zion)
3	3	Tournament JNW Club - Unika Scholar 2018				Tournament JNW Club - Unika Scholar 2018
		date 2018-06-02	rnd 2	type Standard	result 1	date 2018-06-02	rnd 4	type Standard	result 1
		Opponent Van Blomestein, M (Matthew)				Opponent Steenhoff, A (Asher)

#	Games	Start				End
1	4	Tournament South African Junior Team Championships 2018				Tournament JNW Club - Bryanston Open 1 2019
		date 2018-12-19	rnd 6	type Standard	result 1	date 2019-01-26	rnd 2	type Standard	result 1
		Opponent Onwusaka, L (Lucky)				Opponent Van Blomestein, M (Matthew)
2	3	Tournament Chessnuts Under 1200 6 April 2019				Tournament Chessnuts Under 1200 27 April 2019
		date 2019-04-06	rnd 4	type Standard	result 1	date 2019-04-27	rnd 1	type Standard	result 1
		Opponent Rushworth, M (Megan)				Opponent Smith, Z (Zion)
3	3	Tournament JNW Club - Unika Scholar 2018				Tournament JNW Club - Unika Scholar 2018
		date 2018-06-02	rnd 2	type Standard	result 1	date 2018-06-02	rnd 4	type Standard	result 1
		Opponent Van Blomestein, M (Matthew)				Opponent Steenhoff, A (Asher)

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	Jones ,W (William)	2	1	0	2	1	0	0	0	0	0	0	0
1	Jones ,W (William)	2	1069.2	1069.2	2	1070.6	1069.2	0	0	0	0	0	0
2	Badenhorst ,C (Chloe)	2	1	0	2	1	0	0	0	0	0	0	0
2	Badenhorst ,C (Chloe)	2	1316.9	1316.9	2	1318.6	1316.9	0	0	0	0	0	0
3	Chinoruma ,T (Tawana)	2	2	425	2	2	425	0	0	0	0	0	0
3	Chinoruma ,T (Tawana)	2	1129.2	1554.2	2	1129.7	1554.2	0	0	0	0	0	0
4	Steyn ,T (Tjaart)	2	1	0	2	1	0	0	0	0	0	0	0
4	Steyn ,T (Tjaart)	2	1124.9	1124.9	2	1067.2	1124.9	0	0	0	0	0	0
5	Van Blomestein ,M (Matthew)	2	2	425	2	2	425	0	0	0	0	0	0
5	Van Blomestein ,M (Matthew)	2	1011.4	1436.4	2	999.6	1436.4	0	0	0	0	0	0
6	Tsai ,R (Ray)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Tsai ,R (Ray)	1	1218.8	1218.8	1	1208.5	1218.8	0	0	0	0	0	0
7	Malapile ,M (Mpho Meikie)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Malapile ,M (Mpho Meikie)	1	1113.7	688.7	1	1103.2	688.7	0	0	0	0	0	0
8	Govender ,J (Jaden)	1	1	425	1	1	425	0	0	0	0	0	0
8	Govender ,J (Jaden)	1	1042.3	1467.3	1	1022.8	1467.3	0	0	0	0	0	0
9	Rushworth ,M (Megan)	1	1	425	1	1	425	0	0	0	0	0	0
9	Rushworth ,M (Megan)	1	1180.1	1605.1	1	1176.4	1605.1	0	0	0	0	0	0
10	Barnes ,J (Jock)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Barnes ,J (Jock)	1	874.9	874.9	1	883.3	874.9	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

De Kock, 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