Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jooste, J (Jan (janu))

Chess SA id

1130192138

FIDE id

Date of birth

2013-10-02 (U14)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1331.9

Item	Main	Standard	Rapid	Blitz
Rating	1305.1	1304	1200	1200
Raw rating	1305.1	1304	1200	1200
Weighted rating	1299.2	1295.7	1200	1200
Weighted performance	1130.3	1129.1	0	0
Floor	890.9	888.3	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	142.7	143	165.8	165.8
Highest rating	1405.5 2024-06-01	1402.8 2024-06-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1390.9 2024-07-01	1388.3 2024-07-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1390.9 2024-09-01	1388.3 2024-09-01	1200 2024-02-01	1200 2024-02-01
Highest weighted performance	1405.5 2024-06-01	1402.8 2024-06-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1305.1	1304	1200	1200
Analysis
Rating	1305.1	1304	1200	1200
Raw rating	1305.1	1304	1200	1200
Weighted rating	1299.2	1295.7	1200
Weighted performance	1130.3	1129.1	0
K-factor	36	36	36	36
Floor	890.9	888.3	700	700
Max/Min rating change allowed	142.7	143	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	1305.1	1304	1200	1200
New weighted rating	1301	1297.7	1200	1200
New weighted performance	1129.9	1128.7	0	0
Temp new rating	1305.1	1304	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1305.1	1304	1200	1200
New K-factor	36	36	36	36
New floor	890.9	888.3	700	700

Item	Main	Standard
	0	0
	16	16
	66	66
	0	0
	0	0
	0	0
History	82	82

Games since
	Main 82	Standard 82		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	3146		1050		372
Male	2478		826		286
U14	585		186		59
U14 Male	429		138		43
Standard
	RSA		Province		Region
Overall	3021		1083		411
Male	2382		860		322
U14	569		190		67
U14 Male	409		141		48
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	16	6	37.5	-106.2	1290.6	1184.3
Standard	16	6	37.5	-106.2	1290.6	1184.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	82	44	53.66	31.1	1267.8	1298.9
Standard	82	44	53.66	31.1	1267.8	1298.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1305.1	1304	1200	1200
2025-09-01	1305.1	1304	1200	1200
2025-08-01	1294.2	1290.5	1200	1200
2025-07-01	1292.2	1288.6	1200	1200
2025-06-01	1290.1	1286.5	1200	1200
2025-05-01	1287.7	1284.2	1200	1200
2025-04-01	1284	1279.9	1200	1200
2025-03-01	1324.5	1323	1200	1200
2025-02-01	1329.6	1323.7	1200	1200
2025-01-01	1362.3	1362.2	1200	1200
2024-12-01	1297.3	1294.5	1200	1200
2024-11-01	1297.3	1294.5	1200	1200
2024-10-01	1219.3	1198	1200	1200
2024-09-01	1345.2	1334.8	1200	1200
2024-08-01	1379.3	1375.1	1200	1200
2024-07-01	1390.9	1388.3	1200	1200
2024-06-01	1314.1	1311.8	1200	1200
2024-08-01	1245.5	1254	1200	1200
2024-04-01	1188.7	1184.2	1200	1200
2024-03-01	1212.9	1214.4	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	1200	1200

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	2025 Tshwane South School District CLOSED League Championship (U13A)	2025-08-15	2025-08-15	Standard	Tshwane (GTP)	5	1	1	Yes	Analysis
2	AHS Open Chess Tournament 2025 (C)	2025-03-01	2025-03-01	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis
3	2025 Blou Bul Open Chess Tournament (D2)	2025-02-08	2025-02-08	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
4	2025 Tshwane Chess OPEN Registration Tournament (B3)	2025-01-25	2025-01-25	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Tshwane South School District CLOSED League Championship (U13A)	2025-08-15	2025-08-15	Standard	Tshwane (GTP)	5	1	1	Yes	Analysis
2	AHS Open Chess Tournament 2025 (C)	2025-03-01	2025-03-01	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis
3	2025 Blou Bul Open Chess Tournament (D2)	2025-02-08	2025-02-08	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
4	2025 Tshwane Chess OPEN Registration Tournament (B3)	2025-01-25	2025-01-25	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
5	Gauteng Inter-Region at UJ 2024 (U12 Candidates)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	5	Yes	Analysis
6	Gauteng Top Schools 2024 (U11 Open)	2024-10-04	2024-10-04	Standard	Ekurhuleni (GE)	5	5	5	Yes	Analysis
7	Centurion Chess Open Tournament 2024 (B)	2024-09-21	2024-09-21	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis
8	2024 Etienne Lewis (U12)	2024-08-30	2024-09-01	Standard	Tshwane (GTP)	7	6	2	Yes	Analysis
9	2024 Jacaranda Round Robin Open Chess Tournament (E)	2024-08-17	2024-08-17	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
10	D4 Tshwane South District Schools Teams Chess Tournament 2024 (U11B)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
11	Menlopark Open Chess Tournament 2024 (U12)	2024-07-13	2024-07-13	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
12	2024 Elise Steenkamp Open Chess Tournament (Rooks)	2024-06-15	2024-06-15	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
13	2024 Mid Gauteng Open Chess Tournament (U12)	2024-05-02	2024-05-02	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
14	2024 Milos Ristic Open Chess Tournament (U12)	2024-04-27	2024-04-27	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
15	2024 Chris Greyling Open Chess Tournament (D2)	2024-03-16	2024-03-16	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
16	2024 Wynie Robbertse Chess Tournament (D2)	2024-03-02	2024-03-02	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
17	2024 Blou Bul Open Chess Tournament (D)	2024-02-10	2024-02-10	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	10	Tournament Gauteng Top Schools 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-10-04	rnd 1	type Standard	result 1	date 2024-12-08	rnd 5	type Standard	result 1
		Opponent Mayekiso, M (Mvano)				Opponent Van Wyk, N (Nihann)
2	6	Tournament 2024 Mid Gauteng Open Chess Tournament				Tournament 2024 Elise Steenkamp Open Chess Tournament
		date 2024-05-02	rnd 3	type Standard	result 1	date 2024-06-15	rnd 3	type Standard	result 0.5
		Opponent Roets, J (Josias)				Opponent Dsouza, E (Ethan)
3	5	Tournament 2024 Blou Bul Open Chess Tournament				Tournament 2024 Wynie Robbertse Chess Tournament
		date 2024-02-10	rnd 3	type Standard	result 1	date 2024-03-02	rnd 2	type Standard	result 1
		Opponent Mulamattathil, R (Raynah)				Opponent Nienaber, J (Josua)

#	Games	Start				End
1	10	Tournament Gauteng Top Schools 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-10-04	rnd 1	type Standard	result 1	date 2024-12-08	rnd 5	type Standard	result 1
		Opponent Mayekiso, M (Mvano)				Opponent Van Wyk, N (Nihann)
2	6	Tournament 2024 Mid Gauteng Open Chess Tournament				Tournament 2024 Elise Steenkamp Open Chess Tournament
		date 2024-05-02	rnd 3	type Standard	result 1	date 2024-06-15	rnd 3	type Standard	result 0.5
		Opponent Roets, J (Josias)				Opponent Dsouza, E (Ethan)
3	5	Tournament 2024 Blou Bul Open Chess Tournament				Tournament 2024 Wynie Robbertse Chess Tournament
		date 2024-02-10	rnd 3	type Standard	result 1	date 2024-03-02	rnd 2	type Standard	result 1
		Opponent Mulamattathil, R (Raynah)				Opponent Nienaber, J (Josua)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	10	Tournament Gauteng Top Schools 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-10-04	rnd 1	type Standard	result 1	date 2024-12-08	rnd 5	type Standard	result 1
		Opponent Mayekiso, M (Mvano)				Opponent Van Wyk, N (Nihann)
2	5	Tournament 2024 Mid Gauteng Open Chess Tournament				Tournament 2024 Elise Steenkamp Open Chess Tournament
		date 2024-05-02	rnd 3	type Standard	result 1	date 2024-06-15	rnd 2	type Standard	result 1
		Opponent Roets, J (Josias)				Opponent Pillay, Y (Yishai)
3	5	Tournament 2024 Blou Bul Open Chess Tournament				Tournament 2024 Wynie Robbertse Chess Tournament
		date 2024-02-10	rnd 3	type Standard	result 1	date 2024-03-02	rnd 2	type Standard	result 1
		Opponent Mulamattathil, R (Raynah)				Opponent Nienaber, J (Josua)

#	Games	Start				End
1	10	Tournament Gauteng Top Schools 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-10-04	rnd 1	type Standard	result 1	date 2024-12-08	rnd 5	type Standard	result 1
		Opponent Mayekiso, M (Mvano)				Opponent Van Wyk, N (Nihann)
2	5	Tournament 2024 Mid Gauteng Open Chess Tournament				Tournament 2024 Elise Steenkamp Open Chess Tournament
		date 2024-05-02	rnd 3	type Standard	result 1	date 2024-06-15	rnd 2	type Standard	result 1
		Opponent Roets, J (Josias)				Opponent Pillay, Y (Yishai)
3	5	Tournament 2024 Blou Bul Open Chess Tournament				Tournament 2024 Wynie Robbertse Chess Tournament
		date 2024-02-10	rnd 3	type Standard	result 1	date 2024-03-02	rnd 2	type Standard	result 1
		Opponent Mulamattathil, R (Raynah)				Opponent Nienaber, J (Josua)

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	Mamphweli ,T (Tshedza)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
1	Mamphweli ,T (Tshedza)	3	1151.9	1293.6	3	1137.4	1293.6	0	0	0	0	0	0
2	Talma ,C (Christiaan)	3	3	425	3	3	425	0	0	0	0	0	0
2	Talma ,C (Christiaan)	3	1207.6	1632.6	3	1197.2	1632.6	0	0	0	0	0	0
3	Sutherland ,K (Kiona)	2	1	0	2	1	0	0	0	0	0	0	0
3	Sutherland ,K (Kiona)	2	1229.4	1229.4	2	1219.2	1229.4	0	0	0	0	0	0
4	Reddy ,KS (Kashen Shivaan)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Reddy ,KS (Kashen Shivaan)	2	1294.1	869.1	2	1280.8	869.1	0	0	0	0	0	0
5	Mulamattathil ,R (Raynah)	2	2	425	2	2	425	0	0	0	0	0	0
5	Mulamattathil ,R (Raynah)	2	1140.1	1565.1	2	1132.2	1565.1	0	0	0	0	0	0
6	Kwint ,J (Jack)	1	1	425	1	1	425	0	0	0	0	0	0
6	Kwint ,J (Jack)	1	1403.3	1828.3	1	1409.2	1828.3	0	0	0	0	0	0
7	Dsouza ,E (Ethan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Dsouza ,E (Ethan)	1	1473.5	1473.5	1	1472.8	1473.5	0	0	0	0	0	0
8	Venter ,J (Jaco)	1	1	425	1	1	425	0	0	0	0	0	0
8	Venter ,J (Jaco)	1	1408.4	1833.4	1	1401	1833.4	0	0	0	0	0	0
9	Van Wyk ,N (Nihann)	1	1	425	1	1	425	0	0	0	0	0	0
9	Van Wyk ,N (Nihann)	1	1216.4	1641.4	1	1206.8	1641.4	0	0	0	0	0	0
10	Morwane ,O (Olereabetswe)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Morwane ,O (Olereabetswe)	1	1364	939	1	1381.6	939	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Jooste, J (Jan (janu))

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms