Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jakobus, L (Lee-Roy)

Chess SA id

1110148848

FIDE id

Date of birth

2011-04-03 (U16)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-08-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1104	1097.6	1200	1200
Raw rating	1104	1097.6	1200	1200
Weighted rating	1103	1095.1	1200	1200
Weighted performance	925.7	925	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	190.1	191.9	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1104	1097.6	1200	1200
Analysis
Rating	1104	1097.6	1200	1200
Raw rating	1104	1097.6	1200	1200
Weighted rating	1103	1095.1	1200
Weighted performance	925.7	925	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	190.1	191.9	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	1104	1097.6	1200	1200
New weighted rating	1103.1	1095.5	1200	1200
New weighted performance	925.3	924.6	0	0
Temp new rating	1104	1097.6	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1104	1097.6	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	24	24
	9	9
	0	0
	0	0
History	33	33

Games since
	Main 24	Standard 24		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	33	11	33.33	-141.7	1193	1051.3
Standard	33	11	33.33	-141.7	1193	1051.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1104	1097.6	1200	1200
2025-09-01	1104	1097.6	1200	1200
2025-08-01	1104	1097.6	1200	1200
2025-07-01	1104	1097.6	1200	1200
2025-06-01	1104	1097.6	1200	1200
2025-05-01	1104	1097.6	1200	1200
2025-04-01	1104	1097.6	1200	1200
2025-03-01	1104	1097.6	1200	1200
2025-02-01	1104	1097.6	1200	1200
2025-01-01	1104	1097.6	1200	1200
2024-12-01	1104	1097.6	1200	1200
2024-11-01	1104	1097.6	1200	1200
2024-10-01	1104	1097.6	1200	1200
2024-09-01	1104	1097.6	1200	1200
2024-08-01	1088.4	1072.8	1200	1200
2024-07-01	1088.4	1072.8	1200	1200
2024-06-01	1088.4	1072.8	1200	1200
2024-08-01	1088.4	1072.8	1200	1200
2024-04-01	1133.6	1127.2	1200	1200
2024-03-01	1133.6	1127.2	1200	1200
2024-02-01	1091.1	1072.8	1200	1200
2024-01-01	1096.1	1075.6	1200	1200
2023-12-01	1096.1	1075.6	1200	1200
2023-11-01	1096.1	1075.6	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	Eden Top Schools 2024 (U13 Open)	2024-08-17	2024-08-17	Standard	Eden (WEG)	5	5	2	Yes	Analysis
2	Eden Chess Trials 2 2024 (U14)	2024-04-13	2024-04-20	Standard	Eden (WEG)	10	9	3	Yes	Analysis
3	Hessequa Skole Proewe 2 2024 (U13 Boys)	2024-02-03	2024-02-03	Standard	Eden (WEG)	5	5	3	Yes	Analysis
4	Hessequa Proewe 1 2024 (U13 Boys)	2024-01-27	2024-01-27	Standard	Eden (WEG)	5	5	2	Yes	Analysis
5	Hessequa Proewe 2 2023 (O13 Seuns)	2023-02-11	2023-02-11	Standard	Eden (WEG)	5	5	1	Yes	Analysis
6	Hessequa Proewe 1 2023 (O13 Seuns)	2023-01-28	2023-01-28	Standard	Eden (WEG)	5	4	0	Yes	Analysis

#	Games	Start				End
1	4	Tournament Hessequa Proewe 1 2024				Tournament Hessequa Skole Proewe 2 2024
		date 2024-01-27	rnd 4	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Kortje, L (Loubrey)				Opponent Davids, J (Joquin)
2	2	Tournament Eden Top Schools 2024				Tournament Eden Top Schools 2024
		date 2024-08-17	rnd 3	type Standard	result 1	date 2024-08-17	rnd 4	type Standard	result 1
		Opponent Greyling, N (Nielan)				Opponent Januarie, C (Cedwyn)
3	2	Tournament Eden Chess Trials 2 2024				Tournament Eden Chess Trials 2 2024
		date 2024-04-20	rnd 7	type Standard	result 1	date 2024-04-20	rnd 8	type Standard	result 1
		Opponent Windvogel, K (Klarichane)				Opponent Daniels, C (Chelsea)

#	Games	Start				End
1	4	Tournament Hessequa Proewe 1 2024				Tournament Hessequa Skole Proewe 2 2024
		date 2024-01-27	rnd 4	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Kortje, L (Loubrey)				Opponent Davids, J (Joquin)
2	2	Tournament Eden Top Schools 2024				Tournament Eden Top Schools 2024
		date 2024-08-17	rnd 3	type Standard	result 1	date 2024-08-17	rnd 4	type Standard	result 1
		Opponent Greyling, N (Nielan)				Opponent Januarie, C (Cedwyn)
3	2	Tournament Eden Chess Trials 2 2024				Tournament Eden Chess Trials 2 2024
		date 2024-04-20	rnd 7	type Standard	result 1	date 2024-04-20	rnd 8	type Standard	result 1
		Opponent Windvogel, K (Klarichane)				Opponent Daniels, C (Chelsea)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Hessequa Proewe 1 2024				Tournament Hessequa Skole Proewe 2 2024
		date 2024-01-27	rnd 4	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Kortje, L (Loubrey)				Opponent Davids, J (Joquin)
2	2	Tournament Eden Top Schools 2024				Tournament Eden Top Schools 2024
		date 2024-08-17	rnd 3	type Standard	result 1	date 2024-08-17	rnd 4	type Standard	result 1
		Opponent Greyling, N (Nielan)				Opponent Januarie, C (Cedwyn)
3	2	Tournament Eden Chess Trials 2 2024				Tournament Eden Chess Trials 2 2024
		date 2024-04-20	rnd 7	type Standard	result 1	date 2024-04-20	rnd 8	type Standard	result 1
		Opponent Windvogel, K (Klarichane)				Opponent Daniels, C (Chelsea)

#	Games	Start				End
1	4	Tournament Hessequa Proewe 1 2024				Tournament Hessequa Skole Proewe 2 2024
		date 2024-01-27	rnd 4	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Kortje, L (Loubrey)				Opponent Davids, J (Joquin)
2	2	Tournament Eden Top Schools 2024				Tournament Eden Top Schools 2024
		date 2024-08-17	rnd 3	type Standard	result 1	date 2024-08-17	rnd 4	type Standard	result 1
		Opponent Greyling, N (Nielan)				Opponent Januarie, C (Cedwyn)
3	2	Tournament Eden Chess Trials 2 2024				Tournament Eden Chess Trials 2 2024
		date 2024-04-20	rnd 7	type Standard	result 1	date 2024-04-20	rnd 8	type Standard	result 1
		Opponent Windvogel, K (Klarichane)				Opponent Daniels, C (Chelsea)

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	Van Rooyen ,J (Jordan)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	Van Rooyen ,J (Jordan)	3	1172.5	1030.9	3	1166.8	1030.9	0	0	0	0	0	0
2	Januarie ,C (Cedwyn)	2	1	0	2	1	0	0	0	0	0	0	0
2	Januarie ,C (Cedwyn)	2	1201.8	1201.8	2	1202.1	1201.8	0	0	0	0	0	0
3	Davids ,J (Joquin)	1	1	425	1	1	425	0	0	0	0	0	0
3	Davids ,J (Joquin)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Cordewener ,B (Bronti-Mae)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Cordewener ,B (Bronti-Mae)	1	1213.9	788.9	1	1213.6	788.9	0	0	0	0	0	0
5	Jonas ,D (Damian)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Jonas ,D (Damian)	1	1060.6	635.6	1	1048	635.6	0	0	0	0	0	0
6	Pulla ,R (Romesh)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Pulla ,R (Romesh)	1	1313.6	888.6	1	1323.5	888.6	0	0	0	0	0	0
7	Mlandu ,J (Joshwill)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mlandu ,J (Joshwill)	1	1200.3	775.3	1	1199.8	775.3	0	0	0	0	0	0
8	Stephanus ,E (Earl)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Stephanus ,E (Earl)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Kortje ,B (Brintley)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Kortje ,B (Brintley)	1	1161.2	736.2	1	1158	736.2	0	0	0	0	0	0
10	Kiewietz ,J (Jayden)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Kiewietz ,J (Jayden)	1	1157.8	732.8	1	1147.4	732.8	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

Jakobus, L (Lee-Roy)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms