Chess South Africa Ratings Database

PLAYER PAGE

Personal

Joule, J (Jessica)

Chess SA id

2120130720

FIDE id

Date of birth

2012-06-05 (U14)

Gender

Female

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1290.1

Item	Main	Standard	Rapid	Blitz
Rating	1232.4	1247.1	1169.9	1200
Raw rating	1232.4	1247.1	1169.9	1200
Weighted rating	1169.8	1187.5	1165.4	1200
Weighted performance	1211.6	1208.7	0	0
Floor	732.4	747.1	704	700
K-factor	36	36	36	36
Min/Max rating change allowed	158.3	155.1	173.1	165.8
Highest rating	1232.4 2025-09-01	1247.1 2025-09-01	1222.8 2024-02-01	1200 2018-10-01
Highest raw rating	1232.4 2025-09-01	1247.1 2025-09-01	1204 2024-03-01	1200 2024-03-01
Highest weighted rating	1219 2018-10-01	1236.3 2018-10-01	1204 2024-08-01	1200 2018-10-01
Highest weighted performance	1224.1 2025-09-01	1221.1 2025-09-01	1222.8 2024-02-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1232.4	1247.1	1169.9	1200
Analysis
Rating	1232.4	1247.1	1169.9	1200
Raw rating	1232.4	1247.1	1169.9	1200
Weighted rating	1169.8	1187.5	1165.4
Weighted performance	1211.6	1208.7	0
K-factor	36	36	36	36
Floor	732.4	747.1	704	700
Max/Min rating change allowed	158.3	155.1	173.1	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	1232.4	1247.1	1169.9	1200
New weighted rating	1176	1194.1	1165.2	1200
New weighted performance	1211.1	1208.3	0	0
Temp new rating	1232.4	1247.1	1169.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1232.4	1247.1	1169.9	1200
New K-factor	36	36	36	36
New floor	732.4	747.1	704	700

Item	Main	Standard	Rapid
	0	0	0
	24	24	0
	30	20	10
	10	10	0
	0	0	0
	0	0	0
History	68	58	10

Games since
	Main 54	Standard 44		Rapid 10		Blitz 0
Gender	Female
Age group	U14
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	3785		1237		341
Female	880		278		68
U14	720		233		52
U14 Female	201		65		15
Standard
	RSA		Province		Region
Overall	3545		1256		322
Female	803		272		61
U14	681		232		52
U14 Female	190		60		14
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-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	24	11.5	47.92	-17.7	1296	1278.3
Standard	24	11.5	47.92	-17.7	1296	1278.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	68	26.5	38.97	-93.8	1251.2	1157.4
Standard	58	24	41.38	-73.3	1257.2	1184
Rapid	10	2.5	25	-212.5	1215.9	1003.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1232.4	1247.1	1169.9	1200
2025-09-01	1232.4	1247.1	1169.9	1200
2025-08-01	1219	1236.3	1169.9	1200
2025-07-01	1219	1236.3	1169.9	1200
2025-06-01	1213.4	1236	1169.9	1200
2025-05-01	1137.2	1163.2	1169.9	1200
2025-04-01	1137.2	1163.2	1169.9	1200
2025-03-01	1137.2	1163.2	1169.9	1200
2025-02-01	1137.2	1163.2	1167.5	1200
2025-01-01	1137.2	1163.2	1121.6	1200
2024-12-01	1127.4	1160.4	1121.6	1200
2024-11-01	1127.4	1160.4	1121.6	1200
2024-10-01	1127.4	1160.4	1121.6	1200
2024-09-01	1127.4	1160.4	1121.6	1200
2024-08-01	1164.1	1160.4	1204	1200
2024-07-01	1164.1	1160.4	1204	1200
2024-06-01	1164.1	1160.4	1204	1200
2024-08-01	1165.4	1161.6	1204	1200
2024-04-01	1165.4	1161.6	1204	1200
2024-03-01	1119.6	1095.6	1204	1200
2024-02-01	1111.3	1095.6	1200	1200
2024-01-01	1111.3	1095.6	1200	1200
2023-12-01	1111.3	1095.6	1200	1200
2023-11-01	1111.3	1095.6	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	JMC Closed 2025 (U14)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
2	JMC Helpmekaar 2025 (D)	2025-06-01	2025-06-01	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
3	Knight Riders Juniors Open Chess Tournament 2025 (C)	2025-05-25	2025-05-25	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
4	JMC Crawford Sandton 2025 (D)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
5	CPH May 2025 (C)	2025-05-03	2025-05-03	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	JMC Closed 2025 (U14)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
2	JMC Helpmekaar 2025 (D)	2025-06-01	2025-06-01	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
3	Knight Riders Juniors Open Chess Tournament 2025 (C)	2025-05-25	2025-05-25	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
4	JMC Crawford Sandton 2025 (D)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
5	CPH May 2025 (C)	2025-05-03	2025-05-03	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
6	Gauteng Inter-Region at UJ 2024 (U14 Candidates)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
7	CPH King David Linksfield Aug Rapid 2024 (B)	2024-08-18	2024-08-18	Rapid	Johannesburg Metro (GJM)	5	5	0	Yes	Analysis
8	Chess Power House May Open 2024 (C)	2024-05-25	2024-05-25	Standard	Johannesburg Metro (GJM)	5	0	0	No	Analysis
9	JMC Crawford International Sandton 2024 (D)	2024-05-11	2024-05-11	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
10	JNW Open - Classic - Crawford 2024 (C)	2024-03-09	2024-03-09	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
11	JMC Unika School Tournament 2024 (D)	2024-03-02	2024-03-02	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
12	Chess Power House 1st Rapid 2024 (B)	2024-02-24	2024-02-24	Rapid	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
13	JNW Open - Trinityhouse Little Falls 2023 (D)	2023-05-13	2023-05-13	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
14	JMC 1 St Peters 2023 (D)	2023-03-18	2023-03-18	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
15	JNW Club - Trinityhouse Randpark Ridge Open 2020 (E)	2020-02-22	2020-02-22	Standard	Johannesburg Metro (GJM)	5	0	0	No	Analysis
16	JNW Club - Bryanston Open1 2020 (E)	2020-02-01	2020-02-01	Standard	Johannesburg Metro (GJM)	5	4	0	Yes	Analysis

#	Games	Start				End
1	4	Tournament JMC Helpmekaar 2025				Tournament JMC Helpmekaar 2025
		date 2025-06-01	rnd 2	type Standard	result 0.5	date 2025-06-01	rnd 5	type Standard	result 0.5
		Opponent Barendrecht, M (Maarten)				Opponent Prakash, M (Maisha)
2	3	Tournament CPH May 2025				Tournament CPH May 2025
		date 2025-05-03	rnd 2	type Standard	result 1	date 2025-05-03	rnd 4	type Standard	result 1
		Opponent Mako, T (Tshiamo)				Opponent Visagie, A (Arina)
3	3	Tournament JNW Open - Classic - Crawford 2024				Tournament JNW Open - Classic - Crawford 2024
		date 2024-03-09	rnd 3	type Standard	result 1	date 2024-03-09	rnd 5	type Standard	result 1
		Opponent Legodi, R (Reneilwe)				Opponent Maponyane, K (Katlego)

#	Games	Start				End
1	4	Tournament JMC Helpmekaar 2025				Tournament JMC Helpmekaar 2025
		date 2025-06-01	rnd 2	type Standard	result 0.5	date 2025-06-01	rnd 5	type Standard	result 0.5
		Opponent Barendrecht, M (Maarten)				Opponent Prakash, M (Maisha)
2	3	Tournament CPH May 2025				Tournament CPH May 2025
		date 2025-05-03	rnd 2	type Standard	result 1	date 2025-05-03	rnd 4	type Standard	result 1
		Opponent Mako, T (Tshiamo)				Opponent Visagie, A (Arina)
3	3	Tournament JNW Open - Classic - Crawford 2024				Tournament JNW Open - Classic - Crawford 2024
		date 2024-03-09	rnd 3	type Standard	result 1	date 2024-03-09	rnd 5	type Standard	result 1
		Opponent Legodi, R (Reneilwe)				Opponent Maponyane, K (Katlego)

#	Games	Start				End
1	3	Tournament Chess Power House 1st Rapid 2024				Tournament Chess Power House 1st Rapid 2024
		date 2024-02-24	rnd 2	type Rapid	result 1	date 2024-02-24	rnd 4	type Rapid	result 1
		Opponent Naidoo, K (Kirthanya)				Opponent Mabuza, N (Nondumiso)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament CPH May 2025				Tournament CPH May 2025
		date 2025-05-03	rnd 2	type Standard	result 1	date 2025-05-03	rnd 4	type Standard	result 1
		Opponent Mako, T (Tshiamo)				Opponent Visagie, A (Arina)
2	3	Tournament JNW Open - Classic - Crawford 2024				Tournament JNW Open - Classic - Crawford 2024
		date 2024-03-09	rnd 3	type Standard	result 1	date 2024-03-09	rnd 5	type Standard	result 1
		Opponent Legodi, R (Reneilwe)				Opponent Maponyane, K (Katlego)
3	2	Tournament JMC Crawford Sandton 2025				Tournament JMC Crawford Sandton 2025
		date 2025-05-10	rnd 1	type Standard	result 1	date 2025-05-10	rnd 2	type Standard	result 1
		Opponent Pon, C (Christine)				Opponent Moletsane, O (Oabile)

#	Games	Start				End
1	3	Tournament CPH May 2025				Tournament CPH May 2025
		date 2025-05-03	rnd 2	type Standard	result 1	date 2025-05-03	rnd 4	type Standard	result 1
		Opponent Mako, T (Tshiamo)				Opponent Visagie, A (Arina)
2	3	Tournament JNW Open - Classic - Crawford 2024				Tournament JNW Open - Classic - Crawford 2024
		date 2024-03-09	rnd 3	type Standard	result 1	date 2024-03-09	rnd 5	type Standard	result 1
		Opponent Legodi, R (Reneilwe)				Opponent Maponyane, K (Katlego)
3	2	Tournament JMC Crawford Sandton 2025				Tournament JMC Crawford Sandton 2025
		date 2025-05-10	rnd 1	type Standard	result 1	date 2025-05-10	rnd 2	type Standard	result 1
		Opponent Pon, C (Christine)				Opponent Moletsane, O (Oabile)

#	Games	Start				End
1	1	Tournament Chess Power House 1st Rapid 2024				Tournament Chess Power House 1st Rapid 2024
		date 2024-02-24	rnd 4	type Rapid	result 1	date 2024-02-24	rnd 4	type Rapid	result 1
		Opponent Mabuza, N (Nondumiso)				Opponent Mabuza, N (Nondumiso)
2	1	Tournament Chess Power House 1st Rapid 2024				Tournament Chess Power House 1st Rapid 2024
		date 2024-02-24	rnd 2	type Rapid	result 1	date 2024-02-24	rnd 2	type Rapid	result 1
		Opponent Naidoo, K (Kirthanya)				Opponent Naidoo, K (Kirthanya)

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	Buthelezi ,Z (Zanokuhle)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Buthelezi ,Z (Zanokuhle)	2	1297.9	872.9	2	1294.4	872.9	0	0	0	0	0	0
2	Upadhyay ,S (Savya)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
2	Upadhyay ,S (Savya)	2	1296.5	1084	2	1295.2	1084	0	0	0	0	0	0
3	Zulu ,T (Thandoluhle)	2	1	0	2	1	0	0	0	0	0	0	0
3	Zulu ,T (Thandoluhle)	2	1499.7	1499.7	2	1493.5	1499.7	0	0	0	0	0	0
4	Prakash ,M (Maisha)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
4	Prakash ,M (Maisha)	2	1223.9	1011.4	2	1223.4	1011.4	0	0	0	0	0	0
5	Lochner ,C (Christiaan)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
5	Lochner ,C (Christiaan)	2	1146.1	1358.6	2	1131.2	1358.6	0	0	0	0	0	0
6	Nieuwoudt ,L (Lincoln)	2	1	0	1	1	425	1	0	-425	0	0	0
6	Nieuwoudt ,L (Lincoln)	2	1223.2	1223.2	1	1200	1648.2	1	1200	798.2	0	0	0
7	Lakha ,D (Diyaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Lakha ,D (Diyaan)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Marais ,M (Migael)	1	1	425	1	1	425	0	0	0	0	0	0
8	Marais ,M (Migael)	1	1252.8	1677.8	1	1254.8	1677.8	0	0	0	0	0	0
9	Boshoff ,M (Milah)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Boshoff ,M (Milah)	1	1258.7	833.7	1	1251	833.7	0	0	0	0	0	0
10	Barendrecht ,M (Maarten)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Barendrecht ,M (Maarten)	1	1200	1200	1	1200	1200	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

Joule, J (Jessica)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms