Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jooste, J (Josh)

Chess SA id

1090109066

FIDE id

Date of birth

2009-01-11 (U18)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1477

Item	Main	Standard	Rapid	Blitz
Rating	1469.6	1467.5	1215.6	1200
Raw rating	1469.6	1467.5	1215.6	1200
Weighted rating	1440.7	1434.1	1215.6	1200
Weighted performance	1447.8	1443.5	0	0
Floor	1024.6	1013.2	758.4	700
K-factor	32	32	36	36
Min/Max rating change allowed	112.9	113.3	162.2	165.8
Highest rating	1541.2 2022-12-01	1529.7 2022-12-01	1456.5 2019-05-01	1200 2018-10-01
Highest raw rating	1524.6 2023-01-01	1513.2 2023-01-01	1258.4 2020-01-01	1200 2024-02-01
Highest weighted rating	1524.6 2024-07-01	1513.2 2024-07-01	1258.4 2021-05-01	1200 2018-10-01
Highest weighted performance	1541.2 2022-12-01	1529.7 2022-12-01	1456.5 2019-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1469.6	1467.5	1215.6	1200
Analysis
Rating	1469.6	1467.5	1215.6	1200
Raw rating	1469.6	1467.5	1215.6	1200
Weighted rating	1440.7	1434.1	1215.6
Weighted performance	1447.8	1443.5	0
K-factor	32	32	36	36
Floor	1024.6	1013.2	758.4	700
Max/Min rating change allowed	112.9	113.3	162.2	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	1469.6	1467.5	1215.6	1200
New weighted rating	1443.1	1437	1215.6	1200
New weighted performance	1439.1	1434.8	0	0
Temp new rating	1469.6	1467.5	1215.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1469.6	1467.5	1215.6	1200
New K-factor	32	32	36	36
New floor	1024.6	1013.2	758.4	700

Item	Main	Standard	Rapid
	0	0	0
	26	26	0
	43	43	0
	34	34	0
	50	43	7
	22	22	0
History	238	226	12

Games since
	Main 69	Standard 69		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	1514		522		191
Male	1277		428		153
U18	232		82		36
U18 Male	206		71		30
Standard
	RSA		Province		Region
Overall	1459		538		201
Male	1226		441		159
U18	229		92		42
U18 Male	202		79		35
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	26	16	61.54	98.1	1429.5	1527.6
Standard	26	16	61.54	98.1	1429.5	1527.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	238	137	57.56	64.3	1285.1	1349.4
Standard	226	129.5	57.3	62.1	1287	1349.1
Rapid	12	7.5	62.5	106.2	1248.3	1354.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1469.6	1467.5	1215.6	1200
2025-09-30	1501	1505.2	1215.6	1200
2025-09-01	1501	1505.2	1215.6	1200
2025-08-01	1453.9	1448	1215.6	1200
2025-07-01	1453.9	1448	1215.6	1200
2025-06-01	1453.9	1448	1215.6	1200
2025-05-01	1453.9	1448	1215.6	1200
2025-04-01	1422.5	1411.8	1215.6	1200
2025-03-01	1422.5	1411.8	1215.6	1200
2025-02-01	1420.5	1410.3	1215.6	1200
2025-01-01	1357.7	1348.7	1215.6	1200
2024-12-01	1364	1352.9	1215.6	1200
2024-11-01	1364	1352.9	1215.6	1200
2024-10-01	1364	1352.9	1215.6	1200
2024-09-01	1404	1393.2	1215.6	1200
2024-08-01	1439.2	1426.5	1215.6	1200
2024-07-01	1459.7	1451.5	1215.6	1200
2024-09-01	1464.2	1451.2	1215.6	1200
2024-05-01	1464.2	1451.2	1215.6	1200
2024-04-01	1453.3	1436.5	1215.6	1200
2024-03-01	1453.3	1436.5	1215.6	1200
2024-02-01	1491.8	1488.3	1215.6	1200
2024-01-01	1460.2	1455	1215.6	1200
2023-12-01	1460.2	1455	1215.6	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 Gauteng Top Schools Teams (U17)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
2	2025 Tshwane South School District CLOSED League Championship (U17A)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
3	2025 Etienne Lewis Closed Chess Tournament (U18)	2025-08-08	2025-08-10	Standard	Tshwane (GTP)	7	6	3	Yes	Analysis
4	2025 Mid Gauteng Open Chess Tournament (C)	2025-04-12	2025-04-12	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
5	2025 Tshwane Chess OPEN Registration Tournament (B1)	2025-01-25	2025-01-25	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Gauteng Top Schools Teams (U17)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
2	2025 Tshwane South School District CLOSED League Championship (U17A)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
3	2025 Etienne Lewis Closed Chess Tournament (U18)	2025-08-08	2025-08-10	Standard	Tshwane (GTP)	7	6	3	Yes	Analysis
4	2025 Mid Gauteng Open Chess Tournament (C)	2025-04-12	2025-04-12	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
5	2025 Tshwane Chess OPEN Registration Tournament (B1)	2025-01-25	2025-01-25	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
6	Gauteng Inter-Region at UJ 2024 (U16 Open)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
7	2024 Etienne Lewis (U16)	2024-08-30	2024-09-01	Standard	Tshwane (GTP)	7	7	2.5	Yes	Analysis
8	2024 Alekhine Open Chess Tournament (B)	2024-08-09	2024-08-10	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
9	2024 Midstream College Open Chess Tournament (A)	2024-07-20	2024-07-20	Standard	Tshwane (GTP)	5	4	0.5	Yes	Analysis
10	2024 Elise Steenkamp Open Chess Tournament (Kings)	2024-06-15	2024-06-17	Standard	Tshwane (GTP)	7	7	3	Yes	Analysis
11	2024 Silver Lakes Open Chess Tournament (C)	2024-04-20	2024-04-20	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
12	Grey College Team Championship 2024 (A)	2024-02-23	2024-02-24	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
13	2024 Gauteng Inter-Region Chess Championship (U16B)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
14	2023 Gauteng Top Schools (U15 Mixed)	2023-08-19	2023-08-19	Standard	West Rand (GWR)	5	5	4	Yes	Analysis
15	2023 Woman's Day Open Chess Tournament (Queen)	2023-08-09	2023-08-09	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
16	2023 Etienne Lewis Closed Tournament (U16)	2023-08-25	2023-08-27	Standard	Tshwane (GTP)	7	6	4	Yes	Analysis
17	2023 Tshwane South School District CLOSED League Championship (U15)	2023-07-29	2023-07-29	Standard	Tshwane (GTP)	3	3	2	Yes	Analysis
18	2023 Lubowski Open Tournament (B)	2023-06-24	2023-06-25	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
19	Laerskool Constantiapark Open Chess Tournament 2023 (Open)	2023-02-18	2023-02-18	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
20	2023 Tshwane Chess Open Registration Tournament (B1)	2023-01-28	2023-01-28	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
21	2022 South African Junior Team Chess Championships (U14 Open)	2022-12-04	2022-12-08	Standard	4 Knights (4K)	7	7	7	Yes	Analysis
22	Lardies Tournament 2022 (U14)	2022-10-29	2022-10-29	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
23	2022 Etienne Lewis (U14 Open)	2022-09-02	2022-09-04	Standard	Tshwane (GTP)	7	7	5	Yes	Analysis
24	2022 Alekhine Open (C)	2022-08-13	2022-08-14	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
25	D4 Play Offs 2022 (U13)	2022-07-30	2022-07-30	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
26	D4 Individuals 2022 (U13 Open)	2022-04-23	2022-04-23	Rapid	Tshwane (GTP)	7	7	3.5	Yes	Analysis
27	2022 Gauteng Interregion (U14 Open)	2022-02-26	2022-02-26	Standard	Tshwane (GTP)	5	4	3	Yes	Analysis
28	Piet Robertse 2022 (C)	2022-02-05	2022-02-05	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
29	2022 Tshwane Chess Open Registration Tournament (C2)	2022-01-29	2022-01-29	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
30	2021 Lardies Ope (C)	2021-10-30	2021-10-30	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
31	2021 Etienne Lewis Closed Trials (U14 Open)	2021-09-24	2021-09-26	Standard	Nelson Mandela Bay (ENM)	7	7	4	Yes	Analysis
32	2021 Lubowski Open Tournament (C)	2021-05-01	2021-05-02	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
33	2021 Registration Tournament (C)	2021-03-13	2021-03-13	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
34	2020 Constantiapark Open Chess Tournament (D)	2020-02-08	2020-02-08	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
35	2020 Blou Bul (D)	2020-02-15	2020-02-15	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
36	2020 Registration Tournament (D)	2020-01-25	2020-01-25	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
37	2019 South African Junior Team Championships (U12E)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis
38	2019 TC SAJCC Prep Tournament (B)	2019-11-30	2019-11-30	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
39	2019 Lardies Open (D)	2019-10-26	2019-10-26	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
40	2019 Etienne Lewis Trials (U12 Boys)	2019-08-30	2019-09-01	Standard	Tshwane (GTP)	7	7	2	Yes	Analysis
41	2019 Alekhine Open (D)	2019-08-09	2019-08-10	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
42	2019 D4 Tshwane South Schools League Team Finals (U11)	2019-07-27	2019-07-27	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
43	2019 Super 12 Laerskole (Juniors)	2019-05-04	2019-05-04	Rapid	Tshwane (GTP)	5	5	4	Yes	Analysis
44	2019 TuksChess Open (C)	2019-02-23	2019-02-23	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
45	2019 Piet Robbertse (D)	2019-02-01	2019-02-03	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis

#	Games	Start				End
1	7	Tournament 2023 Gauteng Top Schools				Tournament 2023 Etienne Lewis Closed Tournament
		date 2023-08-19	rnd 2	type Standard	result 1	date 2023-08-26	rnd 4	type Standard	result 1
		Opponent Ramarou, B (Bokang)				Opponent Snydert, A (Aiden Franscisco)
2	7	Tournament 2022 South African Junior Team Chess Championships				Tournament 2022 South African Junior Team Chess Championships
		date 2022-12-04	rnd 1	type Standard	result 1	date 2022-12-08	rnd 7	type Standard	result 1
		Opponent Botha, A (Andrea)				Opponent Pelesa, O (Oratilwe)
3	6	Tournament 2022 Etienne Lewis				Tournament Lardies Tournament 2022
		date 2022-09-04	rnd 6	type Standard	result 1	date 2022-10-29	rnd 4	type Standard	result 1
		Opponent Seokola, O (Onkarabile)				Opponent Myburgh, J (Jacques)

#	Games	Start				End
1	7	Tournament 2023 Gauteng Top Schools				Tournament 2023 Etienne Lewis Closed Tournament
		date 2023-08-19	rnd 2	type Standard	result 1	date 2023-08-26	rnd 4	type Standard	result 1
		Opponent Ramarou, B (Bokang)				Opponent Snydert, A (Aiden Franscisco)
2	7	Tournament 2022 South African Junior Team Chess Championships				Tournament 2022 South African Junior Team Chess Championships
		date 2022-12-04	rnd 1	type Standard	result 1	date 2022-12-08	rnd 7	type Standard	result 1
		Opponent Botha, A (Andrea)				Opponent Pelesa, O (Oratilwe)
3	6	Tournament 2022 Etienne Lewis				Tournament Lardies Tournament 2022
		date 2022-09-04	rnd 6	type Standard	result 1	date 2022-10-29	rnd 4	type Standard	result 1
		Opponent Seokola, O (Onkarabile)				Opponent Myburgh, J (Jacques)

#	Games	Start				End
1	5	Tournament 2019 Super 12 Laerskole				Tournament D4 Individuals 2022
		date 2019-05-04	rnd 4	type Rapid	result 1	date 2022-04-23	rnd 3	type Rapid	result 1
		Opponent Boneschans, M (Marthinus)				Opponent Vermeulen, T (Tiaan Leon)
2	2	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 1	type Rapid	result 1	date 2019-05-04	rnd 2	type Rapid	result 1
		Opponent Rossouw, E (Edrich)				Opponent Weyers, D (Djine)
3	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 7	type Rapid	result 0.5	date 2022-04-23	rnd 7	type Rapid	result 0.5
		Opponent Van Der Merwe, A (Adriaan)				Opponent Van Der Merwe, A (Adriaan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament 2023 Gauteng Top Schools				Tournament 2023 Etienne Lewis Closed Tournament
		date 2023-08-19	rnd 2	type Standard	result 1	date 2023-08-26	rnd 4	type Standard	result 1
		Opponent Ramarou, B (Bokang)				Opponent Snydert, A (Aiden Franscisco)
2	7	Tournament 2022 South African Junior Team Chess Championships				Tournament 2022 South African Junior Team Chess Championships
		date 2022-12-04	rnd 1	type Standard	result 1	date 2022-12-08	rnd 7	type Standard	result 1
		Opponent Botha, A (Andrea)				Opponent Pelesa, O (Oratilwe)
3	4	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament 2024 Gauteng Inter-Region Chess Championship
		date 2024-01-13	rnd 1	type Standard	result 1	date 2024-01-14	rnd 4	type Standard	result 1
		Opponent Barnard, M (Martin)				Opponent Fouche, H (Heinrich)

#	Games	Start				End
1	7	Tournament 2023 Gauteng Top Schools				Tournament 2023 Etienne Lewis Closed Tournament
		date 2023-08-19	rnd 2	type Standard	result 1	date 2023-08-26	rnd 4	type Standard	result 1
		Opponent Ramarou, B (Bokang)				Opponent Snydert, A (Aiden Franscisco)
2	7	Tournament 2022 South African Junior Team Chess Championships				Tournament 2022 South African Junior Team Chess Championships
		date 2022-12-04	rnd 1	type Standard	result 1	date 2022-12-08	rnd 7	type Standard	result 1
		Opponent Botha, A (Andrea)				Opponent Pelesa, O (Oratilwe)
3	4	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament 2024 Gauteng Inter-Region Chess Championship
		date 2024-01-13	rnd 1	type Standard	result 1	date 2024-01-14	rnd 4	type Standard	result 1
		Opponent Barnard, M (Martin)				Opponent Fouche, H (Heinrich)

#	Games	Start				End
1	5	Tournament 2019 Super 12 Laerskole				Tournament D4 Individuals 2022
		date 2019-05-04	rnd 4	type Rapid	result 1	date 2022-04-23	rnd 3	type Rapid	result 1
		Opponent Boneschans, M (Marthinus)				Opponent Vermeulen, T (Tiaan Leon)
2	2	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 1	type Rapid	result 1	date 2019-05-04	rnd 2	type Rapid	result 1
		Opponent Rossouw, E (Edrich)				Opponent Weyers, D (Djine)

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	Vermeulen ,T (Tiaan Leon)	4	3	212.5	3	2	141.7	1	1	425	0	0	0
1	Vermeulen ,T (Tiaan Leon)	4	1262.9	1475.4	3	1273.3	1404.6	1	500	1687.9	0	0	0
2	Yang ,A (Alex)	4	0.5	-318.8	3	0.5	-283.3	1	0	-425	0	0	0
2	Yang ,A (Alex)	4	1474	1155.2	3	1465.5	1190.6	1	1200	1049	0	0	0
3	Liang ,YX (Yi-Xuan (Bowie))	3	0	-425	3	0	-425	0	0	0	0	0	0
3	Liang ,YX (Yi-Xuan (Bowie))	3	1484.8	1059.8	3	1474.6	1059.8	0	0	0	0	0	0
4	De Jager ,J (Jandre)	3	3	425	3	3	425	0	0	0	0	0	0
4	De Jager ,J (Jandre)	3	1265.5	1690.5	3	1261	1690.5	0	0	0	0	0	0
5	Marais ,JS (Jacobus Stephanus)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
5	Marais ,JS (Jacobus Stephanus)	2	1140.8	928.3	2	1118.4	928.3	0	0	0	0	0	0
6	Myburgh ,J (Jacques)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
6	Myburgh ,J (Jacques)	2	1295	1507.5	2	1289.4	1507.5	0	0	0	0	0	0
7	Steyn ,A (Amelia)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
7	Steyn ,A (Amelia)	2	1344.1	1556.6	2	1324.8	1556.6	0	0	0	0	0	0
8	Kgatla ,D (Daniel)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
8	Kgatla ,D (Daniel)	2	1378.6	1166.1	2	1380.6	1166.1	0	0	0	0	0	0
9	Malan ,R (Ruhan)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
9	Malan ,R (Ruhan)	2	1137.6	1350.1	2	1120.8	1350.1	0	0	0	0	0	0
10	Morwane ,O (Olereabetswe)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Morwane ,O (Olereabetswe)	2	1528.4	1103.4	2	1527.9	1103.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Jooste, J (Josh)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms