Chess South Africa Ratings Database

PLAYER PAGE

Personal

Janse Van Rensburg, J (Joshua)

Chess SA id

1090149171

FIDE id

Date of birth

2009-10-12 (U18)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-09-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	967.5	942.5	1200	1128.2
Raw rating	967.5	942.5	1200	1128.2
Weighted rating	964.6	939.4	1200	1126.7
Weighted performance	672.1	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	230.9	239.3	165.8	183.7
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 2019-12-01
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 2019-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	967.5	942.5	1200	1128.2
Analysis
Rating	967.5	942.5	1200	1128.2
Raw rating	967.5	942.5	1200	1128.2
Weighted rating	964.6	939.4	1200
Weighted performance	672.1	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	230.9	239.3	165.8	183.7
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	967.5	942.5	1200	1128.2
New weighted rating	965	939.8	1200	1126.9
New weighted performance	671.8	0	0	0
Temp new rating	967.5	942.5	1200	1128.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	967.5	942.5	1200	1128.2
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Blitz
	0	0	0
	0	0	0
	0	0	0
	34	26	8
	0	0	0
	0	0	0
History	34	26	8

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	34	3	8.82	-350	1273.3	923.3
Standard	26	1	3.85	-392.3	1251.6	859.3
Rapid	0	0	0	0	0	0
Blitz	8	2	25	-212.5	1343.9	1131.4

Date	Main	Standard	Rapid	Blitz
2025-09-30	967.5	942.5	1200	1128.2
2025-09-01	967.5	942.5	1200	1128.2
2025-08-01	967.5	942.5	1200	1128.2
2025-07-01	967.5	942.5	1200	1128.2
2025-06-01	967.5	942.5	1200	1128.2
2025-05-01	967.5	942.5	1200	1128.2
2025-04-01	967.5	942.5	1200	1128.2
2025-03-01	967.5	942.5	1200	1128.2
2025-02-01	967.5	942.5	1200	1128.2
2025-01-01	960.3	934.8	1200	1124.4
2024-12-01	960.3	934.8	1200	1124.4
2024-11-01	960.3	934.8	1200	1124.4
2024-10-01	960.3	934.8	1200	1124.4
2024-09-01	960.3	934.8	1200	1124.4
2024-08-01	960.3	934.8	1200	1124.4
2024-07-01	960.3	934.8	1200	1124.4
2024-06-01	960.3	934.8	1200	1124.4
2024-08-01	960.3	934.8	1200	1124.4
2024-04-01	960.3	934.8	1200	1124.4
2024-03-01	960.3	934.8	1200	1124.4
2024-02-01	960.3	934.8	1200	1124.4
2024-01-01	960.3	934.8	1200	1124.4
2023-12-01	960.3	934.8	1200	1124.4
2023-11-01	960.3	934.8	1200	1124.4

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	2023 Centurion Chess Open (D)	2023-09-23	2023-09-23	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
2	2023 Woman's Day Open Chess Tournament (Rook)	2023-08-09	2023-08-09	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis
3	2023 Tshwane Chess FIDE Rated Blitz League 4	2023-08-13	2023-08-13	Blitz	Tshwane (GTP)	9	8	2	Yes	Analysis
4	2023 Jacaranda Round Robin (H)	2023-08-12	2023-08-12	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis
5	Wynie Robbertse Open Tournament 2023 (C)	2023-06-03	2023-06-03	Standard	Tshwane (GTP)	5	3	0	Yes	Analysis
6	2023 Elize Steenkamp Open Tournament (C)	2023-06-16	2023-06-17	Standard	Tshwane (GTP)	6	6	0	Yes	Analysis
7	Laerskool Constantiapark Open Chess Tournament 2023 (Open)	2023-02-18	2023-02-18	Standard	Tshwane (GTP)	5	2	0	Yes	Analysis

#	Games	Start				End
1	1	Tournament 2023 Centurion Chess Open				Tournament 2023 Centurion Chess Open
		date 2023-09-23	rnd 4	type Standard	result 1	date 2023-09-23	rnd 4	type Standard	result 1
		Opponent Groom, A (Angelo)				Opponent Groom, A (Angelo)
2	1	Tournament 2023 Tshwane Chess FIDE Rated Blitz League 4				Tournament 2023 Tshwane Chess FIDE Rated Blitz League 4
		date 2023-08-13	rnd 9	type Blitz	result 1	date 2023-08-13	rnd 9	type Blitz	result 1
		Opponent Le Roux, E (Ethan)				Opponent Le Roux, E (Ethan)
3	1	Tournament 2023 Tshwane Chess FIDE Rated Blitz League 4				Tournament 2023 Tshwane Chess FIDE Rated Blitz League 4
		date 2023-08-13	rnd 4	type Blitz	result 1	date 2023-08-13	rnd 4	type Blitz	result 1
		Opponent Smit, R (Ruan)				Opponent Smit, R (Ruan)

#	Games	Start				End
1	1	Tournament 2023 Centurion Chess Open				Tournament 2023 Centurion Chess Open
		date 2023-09-23	rnd 4	type Standard	result 1	date 2023-09-23	rnd 4	type Standard	result 1
		Opponent Groom, A (Angelo)				Opponent Groom, A (Angelo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament 2023 Tshwane Chess FIDE Rated Blitz League 4				Tournament 2023 Tshwane Chess FIDE Rated Blitz League 4
		date 2023-08-13	rnd 9	type Blitz	result 1	date 2023-08-13	rnd 9	type Blitz	result 1
		Opponent Le Roux, E (Ethan)				Opponent Le Roux, E (Ethan)
2	1	Tournament 2023 Tshwane Chess FIDE Rated Blitz League 4				Tournament 2023 Tshwane Chess FIDE Rated Blitz League 4
		date 2023-08-13	rnd 4	type Blitz	result 1	date 2023-08-13	rnd 4	type Blitz	result 1
		Opponent Smit, R (Ruan)				Opponent Smit, R (Ruan)

#	Games	Start				End
1	1	Tournament 2023 Centurion Chess Open				Tournament 2023 Centurion Chess Open
		date 2023-09-23	rnd 4	type Standard	result 1	date 2023-09-23	rnd 4	type Standard	result 1
		Opponent Groom, A (Angelo)				Opponent Groom, A (Angelo)
2	1	Tournament 2023 Tshwane Chess FIDE Rated Blitz League 4				Tournament 2023 Tshwane Chess FIDE Rated Blitz League 4
		date 2023-08-13	rnd 9	type Blitz	result 1	date 2023-08-13	rnd 9	type Blitz	result 1
		Opponent Le Roux, E (Ethan)				Opponent Le Roux, E (Ethan)
3	1	Tournament 2023 Tshwane Chess FIDE Rated Blitz League 4				Tournament 2023 Tshwane Chess FIDE Rated Blitz League 4
		date 2023-08-13	rnd 4	type Blitz	result 1	date 2023-08-13	rnd 4	type Blitz	result 1
		Opponent Smit, R (Ruan)				Opponent Smit, R (Ruan)

#	Games	Start				End
1	1	Tournament 2023 Centurion Chess Open				Tournament 2023 Centurion Chess Open
		date 2023-09-23	rnd 4	type Standard	result 1	date 2023-09-23	rnd 4	type Standard	result 1
		Opponent Groom, A (Angelo)				Opponent Groom, A (Angelo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament 2023 Tshwane Chess FIDE Rated Blitz League 4				Tournament 2023 Tshwane Chess FIDE Rated Blitz League 4
		date 2023-08-13	rnd 9	type Blitz	result 1	date 2023-08-13	rnd 9	type Blitz	result 1
		Opponent Le Roux, E (Ethan)				Opponent Le Roux, E (Ethan)
2	1	Tournament 2023 Tshwane Chess FIDE Rated Blitz League 4				Tournament 2023 Tshwane Chess FIDE Rated Blitz League 4
		date 2023-08-13	rnd 4	type Blitz	result 1	date 2023-08-13	rnd 4	type Blitz	result 1
		Opponent Smit, R (Ruan)				Opponent Smit, R (Ruan)

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	Pillay ,Y (Yishai)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Pillay ,Y (Yishai)	1	1231	806	1	1230.6	806	0	0	0	0	0	0
2	Seitei ,N (Neo)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Seitei ,N (Neo)	1	1188.9	763.9	1	1173.3	763.9	0	0	0	0	0	0
3	Roberts ,F (Frans-Leigh)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Roberts ,F (Frans-Leigh)	1	1246.8	821.8	1	1225	821.8	0	0	0	0	0	0
4	Nkabinde ,N (Nkazimulo)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Nkabinde ,N (Nkazimulo)	1	1425.5	1000.5	1	1416.8	1000.5	0	0	0	0	0	0
5	Botes ,L (Lodewyk)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Botes ,L (Lodewyk)	1	1094.3	669.3	1	1084.8	669.3	0	0	0	0	0	0
6	Malema ,T (Tshepang)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Malema ,T (Tshepang)	1	1214.6	789.6	1	1217.6	789.6	0	0	0	0	0	0
7	De Beer ,R (Ruaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	De Beer ,R (Ruaan)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Bhula ,S (Shyam Hitesh)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Bhula ,S (Shyam Hitesh)	1	1146.9	721.9	1	1152	721.9	0	0	0	0	0	0
9	Mokone ,O (Oratile)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Mokone ,O (Oratile)	1	1192.1	767.1	1	1191.5	767.1	0	0	0	0	0	0
10	Van Rooyen ,D (Dandre)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Rooyen ,D (Dandre)	1	1225.5	800.5	1	1227.9	800.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Janse Van Rensburg, J (Joshua)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms