Chess South Africa Ratings Database

PLAYER PAGE

Personal

Janse Van Rensburg, J (John)

Chess SA id

1020096192

FIDE id

Date of birth

2002-01-10 (Adult)

Gender

Male

Region

Buffalo City (EBC)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-03-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	983.5	969.6	1200	1200
Raw rating	983.5	969.6	1200	1200
Weighted rating	983.5	969.6	1200	1200
Weighted performance	117.9	117.9	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	225.7	230.2	165.8	165.8
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	983.5	969.6	1200	1200
Analysis
Rating	983.5	969.6	1200	1200
Raw rating	983.5	969.6	1200	1200
Weighted rating	983.5	969.6	1200
Weighted performance	117.9	117.9	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	225.7	230.2	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	983.5	969.6	1200	1200
New weighted rating	983.5	969.6	1200	1200
New weighted performance	112.2	112.2	0	0
Temp new rating	983.5	969.6	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	983.5	969.6	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	38	38

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Buffalo City (EBC)
Province	Eastern Cape (EC)
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	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	38	15	39.47	-89.5	1012.4	923
Standard	38	15	39.47	-89.5	1012.4	923
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	983.5	969.6	1200	1200
2025-09-30	983.5	969.6	1200	1200
2025-09-01	983.5	969.6	1200	1200
2025-08-01	983.5	969.6	1200	1200
2025-07-01	983.5	969.6	1200	1200
2025-06-01	983.5	969.6	1200	1200
2025-05-01	983.5	969.6	1200	1200
2025-04-01	983.5	969.6	1200	1200
2025-03-01	983.5	969.6	1200	1200
2025-02-01	983.5	969.6	1200	1200
2025-01-01	983.5	969.6	1200	1200
2024-12-01	983.5	969.6	1200	1200
2024-11-01	983.5	969.6	1200	1200
2024-10-01	983.5	969.6	1200	1200
2024-09-01	983.5	969.6	1200	1200
2024-08-01	983.5	969.6	1200	1200
2024-07-01	983.5	969.6	1200	1200
2024-09-01	983.5	969.6	1200	1200
2024-05-01	983.5	969.6	1200	1200
2024-04-01	983.5	969.6	1200	1200
2024-03-01	983.5	969.6	1200	1200
2024-02-01	983.5	969.6	1200	1200
2024-01-01	983.5	969.6	1200	1200
2023-12-01	983.5	969.6	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	Buffalo City Trials 3 of 5 2019 (U18A-Open)	2019-03-02	2019-03-02	Standard	Buffalo City (EBC)	5	2	0	Yes	Analysis
2	Buffalo City Trials 1 of 5 2019 (U18-Open)	2019-02-02	2019-02-02	Standard	Buffalo City (EBC)	5	5	1.5	Yes	Analysis
3	South African Junior Team Championships 2018 (U18C)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	3	Yes	Analysis
4	East London School League 2018 (High School)	2018-08-18	2018-08-18	Standard	Buffalo City (EBC)	5	4	2	Yes	Analysis
5	5th Buffalo Trials 2018 (U18A+U20A)	2018-05-12	2018-05-12	Standard	Buffalo City (EBC)	5	0	0	No	Analysis
6	4th Buffalo Trials 2018 (U20+Adults)	2018-04-21	2018-04-21	Standard	Buffalo City (EBC)	5	5	1.5	Yes	Analysis
7	Buffalo Trails 3rd 2018 (U18A-Adult)	2018-03-25	2018-03-25	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis
8	2nd Buffalo Trials 2018 (U18A)	2018-03-03	2018-03-03	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis
9	Buffalo City 1st Chess Trials 2018 (U18A)	2018-02-03	2018-02-03	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-16	rnd 2	type Standard	result 1	date 2018-12-18	rnd 5	type Standard	result 0.5
		Opponent Links, B (Bradley)				Opponent Du Preez, A (Andre)
2	3	Tournament Buffalo City 1st Chess Trials 2018				Tournament 2nd Buffalo Trials 2018
		date 2018-02-03	rnd 4	type Standard	result 1	date 2018-03-03	rnd 1	type Standard	result 0.5
		Opponent Jomon, S (Sharon)				Opponent Kalariparampil, A (Ashile)
3	2	Tournament East London School League 2018				Tournament East London School League 2018
		date 2018-08-18	rnd 2	type Standard	result 1	date 2018-08-18	rnd 3	type Standard	result 1
		Opponent Pupuma, S (Spumezo)				Opponent Mackenzie, S (Skye)

#	Games	Start				End
1	4	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-16	rnd 2	type Standard	result 1	date 2018-12-18	rnd 5	type Standard	result 0.5
		Opponent Links, B (Bradley)				Opponent Du Preez, A (Andre)
2	3	Tournament Buffalo City 1st Chess Trials 2018				Tournament 2nd Buffalo Trials 2018
		date 2018-02-03	rnd 4	type Standard	result 1	date 2018-03-03	rnd 1	type Standard	result 0.5
		Opponent Jomon, S (Sharon)				Opponent Kalariparampil, A (Ashile)
3	2	Tournament East London School League 2018				Tournament East London School League 2018
		date 2018-08-18	rnd 2	type Standard	result 1	date 2018-08-18	rnd 3	type Standard	result 1
		Opponent Pupuma, S (Spumezo)				Opponent Mackenzie, S (Skye)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament East London School League 2018				Tournament East London School League 2018
		date 2018-08-18	rnd 2	type Standard	result 1	date 2018-08-18	rnd 3	type Standard	result 1
		Opponent Pupuma, S (Spumezo)				Opponent Mackenzie, S (Skye)
2	2	Tournament Buffalo Trails 3rd 2018				Tournament 4th Buffalo Trials 2018
		date 2018-03-25	rnd 5	type Standard	result 1	date 2018-04-21	rnd 1	type Standard	result 1
		Opponent Pakamisa, S (Sinovuyo)				Opponent Prasad, K (Krishna)
3	2	Tournament Buffalo City 1st Chess Trials 2018				Tournament Buffalo City 1st Chess Trials 2018
		date 2018-02-03	rnd 4	type Standard	result 1	date 2018-02-03	rnd 5	type Standard	result 1
		Opponent Jomon, S (Sharon)				Opponent Kamadyaapa, O (Oscar)

#	Games	Start				End
1	2	Tournament East London School League 2018				Tournament East London School League 2018
		date 2018-08-18	rnd 2	type Standard	result 1	date 2018-08-18	rnd 3	type Standard	result 1
		Opponent Pupuma, S (Spumezo)				Opponent Mackenzie, S (Skye)
2	2	Tournament Buffalo Trails 3rd 2018				Tournament 4th Buffalo Trials 2018
		date 2018-03-25	rnd 5	type Standard	result 1	date 2018-04-21	rnd 1	type Standard	result 1
		Opponent Pakamisa, S (Sinovuyo)				Opponent Prasad, K (Krishna)
3	2	Tournament Buffalo City 1st Chess Trials 2018				Tournament Buffalo City 1st Chess Trials 2018
		date 2018-02-03	rnd 4	type Standard	result 1	date 2018-02-03	rnd 5	type Standard	result 1
		Opponent Jomon, S (Sharon)				Opponent Kamadyaapa, O (Oscar)

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	Kalariparampil ,A (Ashile)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
1	Kalariparampil ,A (Ashile)	2	628	415.5	2	636.6	415.5	0	0	0	0	0	0
2	Muller ,M (Mike)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Muller ,M (Mike)	1	790.2	790.2	1	775.8	790.2	0	0	0	0	0	0
3	Lewis ,H (Henrique)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Lewis ,H (Henrique)	1	973.1	548.1	1	970	548.1	0	0	0	0	0	0
4	Mackenzie ,S (Skye)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mackenzie ,S (Skye)	1	873.1	1298.1	1	884.4	1298.1	0	0	0	0	0	0
5	Bahlmann ,E (Ethan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Bahlmann ,E (Ethan)	1	973.2	973.2	1	1000.4	973.2	0	0	0	0	0	0
6	Bomela ,P (Pumzile)	1	1	425	1	1	425	0	0	0	0	0	0
6	Bomela ,P (Pumzile)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Naidoo ,S (Shivaskar)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Naidoo ,S (Shivaskar)	1	1117.1	692.1	1	1118.8	692.1	0	0	0	0	0	0
8	Fekade ,G (Gcisa)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Fekade ,G (Gcisa)	1	1133.3	708.3	1	1119.6	708.3	0	0	0	0	0	0
9	Makrwedw ,L (Lisolam)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Makrwedw ,L (Lisolam)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Vutuza ,L (Luthando)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Vutuza ,L (Luthando)	1	998.9	573.9	1	999	573.9	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

Janse Van Rensburg, J (John)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms