Chess South Africa Ratings Database

PLAYER PAGE

Personal

Erasmus, J (Justine)

Chess SA id

2120137471

FIDE id

Date of birth

2012-03-16 (U14)

Gender

Female

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	977	1047.8	976.2	1200
Raw rating	975.9	1047.8	973.2	1200
Weighted rating	977	1047.8	976.2	1200
Weighted performance	783.3	0	762.7	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	228.2	206	229.1	165.8
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 2019-12-01	1200 2024-03-01
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 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.4	0	-0.7	0
New rating	976.6	1047.8	975.5	1200
Analysis
Rating	977	1047.8	976.2	1200
Raw rating	975.9	1047.8	973.2	1200
Weighted rating	977	1047.8	976.2
Weighted performance	783.3	0	762.7
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	228.2	206	229.1	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	975.9	1047.8	973.2	1200
New weighted rating	976.6	1047.8	975.5	1200
New weighted performance	783	0	762.4	0
Temp new rating	976.6	1047.8	975.5	1200
Temp new rating +/-	-0.4	0	-0.7	0
Final new rating +/-	-0.4	0	-0.7	0
New rating	976.6	1047.8	975.5	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	10	5	5
	10	0	10
	18	9	9
	4	0	4
	0	0	0
History	42	14	28

Games since
	Main 20	Standard 5		Rapid 15		Blitz 0
Gender	Female
Age group	U14
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
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	10	2	20	-255	1197.4	942.4
Standard	5	1	20	-255	1184.4	929.4
Rapid	5	1	20	-255	1210.4	955.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	42	5	11.9	-323.8	1178.1	854.3
Standard	14	1.5	10.71	-333.9	1173.2	839.3
Rapid	28	3.5	12.5	-318.8	1180.5	861.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	975.9	1047.8	973.2	1200
2025-09-01	975.9	1047.8	973.2	1200
2025-08-01	980.3	1047.8	981.3	1200
2025-07-01	980.3	1047.8	981.3	1200
2025-06-01	980.3	1047.8	981.3	1200
2025-05-01	980.3	1047.8	981.3	1200
2025-04-01	980.3	1047.7	981.3	1200
2025-03-01	980.3	1045.9	981.3	1200
2025-02-01	980.5	1048	980.8	1200
2025-01-01	963.5	1048	958.4	1200
2024-12-01	963.5	1048	958.4	1200
2024-11-01	963.5	1048	958.4	1200
2024-10-01	963.5	1048	958.4	1200
2024-09-01	963.5	1048	958.4	1200
2024-08-01	980.8	1048	980.8	1200
2024-07-01	980.8	1048	980.8	1200
2024-06-01	980.8	1048	980.8	1200
2024-08-01	980.8	1048	980.8	1200
2024-04-01	980.8	1048	980.8	1200
2024-03-01	980.8	1048	980.8	1200
2024-02-01	1008	1048	1017.2	1200
2024-01-01	1008	1048	1017.2	1200
2023-12-01	1008	1048	1017.2	1200
2023-11-01	1008	1048	1017.2	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	Stellenbosch Primary 2025 (U13)	2025-08-16	2025-08-16	Rapid	Cape Winelands (WCW)	5	5	1	Yes	Analysis
2	Cape Winelands Schools - Trials 1 2025 (U13 Girls)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Stellenbosch Primary 2025 (U13)	2025-08-16	2025-08-16	Rapid	Cape Winelands (WCW)	5	5	1	Yes	Analysis
2	Cape Winelands Schools - Trials 1 2025 (U13 Girls)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	1	Yes	Analysis
3	Stellenbosch Primary 2024 (U13)	2024-08-17	2024-08-17	Rapid	Cape Winelands (WCW)	5	4	0.5	Yes	Analysis
4	Cape Winelands Schools - PS Trials 1 2024 (U13 Girls)	2024-02-10	2024-02-10	Rapid	Cape Winelands (WCW)	6	6	1	Yes	Analysis
5	Midas Paints Chess Cup Term 2 2023 (U12)	2023-04-15	2023-04-15	Rapid	Cape Winelands (WCW)	5	4	0	Yes	Analysis
6	Courtrai Midas Rapid 2023 (U12)	2023-03-04	2023-03-04	Rapid	Cape Winelands (WCW)	5	5	0	Yes	Analysis
7	Cape Winelands Schools Prestige 2023 (U11 Girls)	2023-03-11	2023-03-11	Standard	Cape Winelands (WCW)	5	4	0.5	Yes	Analysis
8	Cape Winelands Schools Chess - Trials 1 2023 (U11 Girls)	2023-02-18	2023-02-18	Standard	Cape Winelands (WCW)	5	5	0	Yes	Analysis
9	Central Winelands Schools Individual Trials 2022 (U11 Girls)	2022-02-19	2022-02-19	Rapid	Cape Winelands (WCW)	5	4	1	Yes	Analysis

#	Games	Start				End
1	1	Tournament Stellenbosch Primary 2025				Tournament Stellenbosch Primary 2025
		date 2025-08-16	rnd 3	type Rapid	result 1	date 2025-08-16	rnd 3	type Rapid	result 1
		Opponent Fredericks, E (Eben)				Opponent Fredericks, E (Eben)
2	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Farao, K (Kaylin)				Opponent Farao, K (Kaylin)
3	1	Tournament Stellenbosch Primary 2024				Tournament Stellenbosch Primary 2024
		date 2024-08-17	rnd 2	type Rapid	result 0.5	date 2024-08-17	rnd 2	type Rapid	result 0.5
		Opponent Wareley, C (Caleb)				Opponent Wareley, C (Caleb)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Farao, K (Kaylin)				Opponent Farao, K (Kaylin)
2	1	Tournament Cape Winelands Schools Prestige 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-03-11	rnd 4	type Standard	result 0.5	date 2023-03-11	rnd 4	type Standard	result 0.5
		Opponent Sauls, L (Lekisha)				Opponent Sauls, L (Lekisha)

#	Games	Start				End
1	1	Tournament Stellenbosch Primary 2025				Tournament Stellenbosch Primary 2025
		date 2025-08-16	rnd 3	type Rapid	result 1	date 2025-08-16	rnd 3	type Rapid	result 1
		Opponent Fredericks, E (Eben)				Opponent Fredericks, E (Eben)
2	1	Tournament Stellenbosch Primary 2024				Tournament Stellenbosch Primary 2024
		date 2024-08-17	rnd 2	type Rapid	result 0.5	date 2024-08-17	rnd 2	type Rapid	result 0.5
		Opponent Wareley, C (Caleb)				Opponent Wareley, C (Caleb)
3	1	Tournament Cape Winelands Schools - PS Trials 1 2024				Tournament Cape Winelands Schools - PS Trials 1 2024
		date 2024-02-10	rnd 4	type Rapid	result 1	date 2024-02-10	rnd 4	type Rapid	result 1
		Opponent Lukas, J (Jaymilee)				Opponent Lukas, J (Jaymilee)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Stellenbosch Primary 2025				Tournament Stellenbosch Primary 2025
		date 2025-08-16	rnd 3	type Rapid	result 1	date 2025-08-16	rnd 3	type Rapid	result 1
		Opponent Fredericks, E (Eben)				Opponent Fredericks, E (Eben)
2	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Farao, K (Kaylin)				Opponent Farao, K (Kaylin)
3	1	Tournament Cape Winelands Schools - PS Trials 1 2024				Tournament Cape Winelands Schools - PS Trials 1 2024
		date 2024-02-10	rnd 4	type Rapid	result 1	date 2024-02-10	rnd 4	type Rapid	result 1
		Opponent Lukas, J (Jaymilee)				Opponent Lukas, J (Jaymilee)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Farao, K (Kaylin)				Opponent Farao, K (Kaylin)

#	Games	Start				End
1	1	Tournament Stellenbosch Primary 2025				Tournament Stellenbosch Primary 2025
		date 2025-08-16	rnd 3	type Rapid	result 1	date 2025-08-16	rnd 3	type Rapid	result 1
		Opponent Fredericks, E (Eben)				Opponent Fredericks, E (Eben)
2	1	Tournament Cape Winelands Schools - PS Trials 1 2024				Tournament Cape Winelands Schools - PS Trials 1 2024
		date 2024-02-10	rnd 4	type Rapid	result 1	date 2024-02-10	rnd 4	type Rapid	result 1
		Opponent Lukas, J (Jaymilee)				Opponent Lukas, J (Jaymilee)
3	1	Tournament Central Winelands Schools Individual Trials 2022				Tournament Central Winelands Schools Individual Trials 2022
		date 2022-02-19	rnd 4	type Rapid	result 1	date 2022-02-19	rnd 4	type Rapid	result 1
		Opponent Fortuin, A (Ashanti)				Opponent Fortuin, A (Ashanti)

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	Sauls ,L (Lekisha)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
1	Sauls ,L (Lekisha)	2	976.3	763.8	2	971.8	763.8	0	0	0	0	0	0
2	Kennedy ,L (Leah)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Kennedy ,L (Leah)	2	1102.8	677.8	1	1200	677.8	1	1031.6	677.8	0	0	0
3	Roux ,A (Adriaan)	2	0	-425	0	0	0	2	0	-425	0	0	0
3	Roux ,A (Adriaan)	2	1276.1	851.1	0	0	0	2	1334	851.1	0	0	0
4	Fortuin ,A (Ashanti)	2	1	0	0	0	0	2	1	0	0	0	0
4	Fortuin ,A (Ashanti)	2	1133.2	1133.2	0	0	0	2	1155.4	1133.2	0	0	0
5	Coetzee ,C (Carli)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Coetzee ,C (Carli)	1	1171.3	746.3	1	1164	746.3	0	0	0	0	0	0
6	Hudson ,O (Olivia Anne)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Hudson ,O (Olivia Anne)	1	1197.6	772.6	1	1203.6	772.6	0	0	0	0	0	0
7	September ,M (Morgan)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	September ,M (Morgan)	1	1181.4	756.4	1	1176	756.4	0	0	0	0	0	0
8	Wilskut ,J (Jo-Mari Celine)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Wilskut ,J (Jo-Mari Celine)	1	1131.3	706.3	1	1127.5	706.3	0	0	0	0	0	0
9	Coetzee ,E (Emma)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Coetzee ,E (Emma)	1	1183.9	758.9	1	1200	758.9	0	0	0	0	0	0
10	White ,Z (Zoe)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	White ,Z (Zoe)	1	1200	775	0	0	0	1	1200	775	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Erasmus, J (Justine)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms