Chess South Africa Ratings Database

PLAYER PAGE

Personal

Janse Van Rensburg, JM (Jacob Marthinus)

Chess SA id

187013684

FIDE id

Date of birth

1987-10-02 (Adult)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1913.9	1913	1912.8	1912.6
Raw rating	1913.9	1913	1912.8	1912.6
Weighted rating	1913.1	1913	1912.6	1912.6
Weighted performance	0	0	0	0
Floor	1413.9	1413	1412.8	1412.6
K-factor	24	24	24	24
Min/Max rating change allowed	60	60	60.1	60.1
Highest rating	1913.9 2025-11-01	1913 2024-02-01	1912.8 2025-11-01	1912.6 2024-02-01
Highest raw rating	1913.9 2025-11-01	1913 2024-02-01	1912.8 2025-11-01	1912.6 2024-02-01
Highest weighted rating	1913.1 2025-11-01	1913 2025-08-01	1912.6 2025-11-01	1912.6 2024-02-01
Highest weighted performance	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1913.9	1913	1912.8	1912.6
Analysis
Rating	1913.9	1913	1912.8	1912.6
Raw rating	1913.9	1913	1912.8	1912.6
Weighted rating	1913.1	1913	1912.6
Weighted performance	0	0	0
K-factor	24	24	24	24
Floor	1413.9	1413	1412.8	1412.6
Max/Min rating change allowed	60	60	60.1	60.1
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	1913.9	1913	1912.8	1912.6
New weighted rating	1913.1	1913	1912.6	1912.6
New weighted performance	0	0	0	0
Temp new rating	1913.9	1913	1912.8	1912.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1913.9	1913	1912.8	1912.6
New K-factor	24	24	24	24
New floor	1413.9	1413	1412.8	1412.6

Item	Main	Standard	Rapid
	0	0	0
	3	0	3
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	137	134	3

Games since
	Main 3	Standard 0		Rapid 3		Blitz 0
Gender	Male
Age group	Adult
Region	Mangaung (FMB)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	3	3	100	425	1485.6	1910.6
Standard	0	0	0	0	0	0
Rapid	3	3	100	425	1485.6	1910.6
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	3	3	100	425	1485.6	1910.6
Standard	0	0	0	0	0	0
Rapid	3	3	100	425	1485.6	1910.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1913.9	1913	1912.8	1912.6
2025-09-30	1913	1913	1912.6	1912.6
2025-09-01	1913	1913	1912.6	1912.6
2025-08-01	1913	1913	1912.6	1912.6
2025-07-01	1913	1913	1912.6	1912.6
2025-06-01	1913	1913	1912.6	1912.6
2025-05-01	1913	1913	1912.6	1912.6
2025-04-01	1913	1913	1912.6	1912.6
2025-03-01	1913	1913	1912.6	1912.6
2025-02-01	1913	1913	1912.6	1912.6
2025-01-01	1913	1913	1912.6	1912.6
2024-12-01	1913	1913	1912.6	1912.6
2024-11-01	1913	1913	1912.6	1912.6
2024-10-01	1913	1913	1912.6	1912.6
2024-09-01	1913	1913	1912.6	1912.6
2024-08-01	1913	1913	1912.6	1912.6
2024-07-01	1913	1913	1912.6	1912.6
2024-09-01	1913	1913	1912.6	1912.6
2024-05-01	1913	1913	1912.6	1912.6
2024-04-01	1913	1913	1912.6	1912.6
2024-03-01	1913	1913	1912.6	1912.6
2024-02-01	1913	1913	1912.6	1912.6
2024-01-01	1913	1913	1912.6	1912.6
2023-12-01	1912.6	1912.6	1912.6	1912.6

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	PECC - Rapid 2025 (A)	2025-10-23	2025-10-30	Rapid	Nelson Mandela Bay (ENM)	6	3	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	PECC - Rapid 2025 (A)	2025-10-23	2025-10-30	Rapid	Nelson Mandela Bay (ENM)	6	3	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament PECC - Rapid 2025				Tournament PECC - Rapid 2025
		date 2025-10-30	rnd 4	type Rapid	result 1	date 2025-10-30	rnd 6	type Rapid	result 1
		Opponent Mitchell, N (Nicholas)				Opponent Dakin, BR (Brett Russell)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

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	Mitchell ,N (Nicholas)	1	1	425	0	0	0	1	1	425	0	0	0
1	Mitchell ,N (Nicholas)	1	1405.6	1830.6	0	0	0	1	1220.9	1830.6	0	0	0
2	Kapp ,J (Jacinto)	1	1	425	0	0	0	1	1	425	0	0	0
2	Kapp ,J (Jacinto)	1	1465.2	1890.2	0	0	0	1	1306	1890.2	0	0	0
3	Dakin ,BR (Brett Russell)	1	1	425	0	0	0	1	1	425	0	0	0
3	Dakin ,BR (Brett Russell)	1	1586	2011	0	0	0	1	1490.5	2011	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Janse Van Rensburg, JM (Jacob Marthinus)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms