Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jooste, G (Graychael)

Chess SA id

2130149767

FIDE id

Date of birth

2013-06-08 (U14)

Gender

Female

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-06-21

Personal details last changed

1900-01-01

Junior GPX Games

12.5

Junior GPX Points

1074.6

Item	Main	Standard	Rapid	Blitz
Rating	1172.9	1141.2	1218.8	1200
Raw rating	1172.9	1140.5	1218.8	1200
Weighted rating	1169.9	1141.2	1216.2	1200
Weighted performance	1060	991.8	0	0
Floor	700	700	719.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	172.3	180.5	161.4	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1287.5 2024-01-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1219.4 2024-02-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1215.2 2025-08-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1287.5 2024-01-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0.2	0	0
New rating	1172.9	1141.4	1218.8	1200
Analysis
Rating	1172.9	1141.2	1218.8	1200
Raw rating	1172.9	1140.5	1218.8	1200
Weighted rating	1169.9	1141.2	1216.2
Weighted performance	1060	991.8	0
K-factor	36	36	36	36
Floor	700	700	719.4	700
Max/Min rating change allowed	172.3	180.5	161.4	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	1172.9	1140.5	1218.8	1200
New weighted rating	1170.6	1141.4	1216.5	1200
New weighted performance	1059.6	991.4	0	0
Temp new rating	1172.9	1141.4	1218.8	1200
Temp new rating +/-	0	0.2	0	0
Final new rating +/-	0	0.2	0	0
New rating	1172.9	1141.4	1218.8	1200
New K-factor	36	36	36	36
New floor	700	700	719.4	700

Item	Main	Standard	Rapid
	0	0	0
	16	10	6
	23	11	12
	13	13	0
	0	0	0
	0	0	0
History	52	34	18

Games since
	Main 39	Standard 21		Rapid 18		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	16	7	43.75	-53.1	1221.9	1168.7
Standard	10	4	40	-85	1216.8	1131.8
Rapid	6	3	50	0	1230.3	1230.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	52	21.5	41.35	-73.6	1230.7	1157.1
Standard	34	12.5	36.76	-112.5	1233	1120.5
Rapid	18	9	50	0	1226.2	1226.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1172.9	1140.5	1218.8	1200
2025-09-01	1172.9	1140.5	1218.8	1200
2025-08-01	1172.9	1140.5	1218.8	1200
2025-07-01	1172.9	1140.1	1218.8	1200
2025-06-01	1165.8	1139.6	1215.4	1200
2025-05-01	1165.1	1139.2	1215.4	1200
2025-04-01	1164.2	1138.7	1215.4	1200
2025-03-01	1173.3	1149.1	1215.4	1200
2025-02-01	1173.5	1145.6	1215.4	1200
2025-01-01	1173.5	1145.6	1215.4	1200
2024-12-01	1173.5	1145.6	1215.4	1200
2024-11-01	1173.5	1145.6	1215.4	1200
2024-10-01	1173.5	1145.6	1215.4	1200
2024-09-01	1173.5	1145.6	1215.4	1200
2024-08-01	1173.5	1145.6	1215.4	1200
2024-07-01	1173.5	1145.6	1215.4	1200
2024-06-01	1173.5	1145.6	1215.4	1200
2024-08-01	1165.9	1134.4	1215.4	1200
2024-04-01	1165.9	1134.4	1215.4	1200
2024-03-01	1155.9	1119.2	1215.4	1200
2024-02-01	1147.7	1119.2	1219.4	1200
2024-01-01	1131	1119.2	1200	1200
2023-12-01	1131	1119.2	1200	1200
2023-11-01	1131	1119.2	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	Cape Winelands Queens 2025 (U13)	2025-06-21	2025-06-21	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
2	Cape Winelands Schools Prestige 2025 (U13 Girls)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
3	Cape Winelands Schools - Trials 1 2025 (U13 Girls)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Winelands Queens 2025 (U13)	2025-06-21	2025-06-21	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
2	Cape Winelands Schools Prestige 2025 (U13 Girls)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
3	Cape Winelands Schools - Trials 1 2025 (U13 Girls)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
4	Western Cape PS Individuals Championship 2024 (U11 Girls)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	2.5	Yes	Analysis
5	Cape Winelands Schools - Prestige 2024 (U11 Girls)	2024-03-02	2024-03-02	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
6	Cape Winelands Schools - PS Trials 1 2024 (U11 Girls)	2024-02-10	2024-02-10	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
7	Cape Winelands - Marie Delport Memorial 2024 (U12)	2024-01-27	2024-01-27	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
8	Cape Winelands Open 2023 (U12)	2023-07-23	2023-07-23	Standard	Cape Winelands (WCW)	5	5	1.5	Yes	Analysis
9	Cape Winelands Schools Prestige 2023 (U11 Girls)	2023-03-11	2023-03-11	Standard	Cape Winelands (WCW)	5	3	1	Yes	Analysis
10	Cape Winelands Schools Chess - Trials 1 2023 (U11 Girls)	2023-02-18	2023-02-18	Standard	Cape Winelands (WCW)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament Cape Winelands Queens 2025				Tournament Cape Winelands Queens 2025
		date 2025-06-21	rnd 2	type Rapid	result 1	date 2025-06-21	rnd 5	type Rapid	result 1
		Opponent Delmarie, J (Jaymiree)				Opponent Nel, L (Luzelle)
2	2	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 3	type Standard	result 1
		Opponent Smit, C (Christie)				Opponent April, T (Trishaan)
3	2	Tournament Cape Winelands - Marie Delport Memorial 2024				Tournament Cape Winelands - Marie Delport Memorial 2024
		date 2024-01-27	rnd 4	type Rapid	result 1	date 2024-01-27	rnd 5	type Rapid	result 1
		Opponent Diedericks, S (Shardonique)				Opponent Afrika, T (Tashnique)

#	Games	Start				End
1	2	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 3	type Standard	result 1
		Opponent Smit, C (Christie)				Opponent April, T (Trishaan)
2	2	Tournament Cape Winelands Open 2023				Tournament Cape Winelands Open 2023
		date 2023-07-23	rnd 3	type Standard	result 0.5	date 2023-07-23	rnd 4	type Standard	result 1
		Opponent Afrika, T (Tashnique)				Opponent Afrika, M (Mitayo)
3	2	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-18	rnd 1	type Standard	result 0.5	date 2023-02-18	rnd 2	type Standard	result 1
		Opponent Van Der Westhuizen, L (Linli)				Opponent Brikkels, R (Rae)

#	Games	Start				End
1	4	Tournament Cape Winelands Queens 2025				Tournament Cape Winelands Queens 2025
		date 2025-06-21	rnd 2	type Rapid	result 1	date 2025-06-21	rnd 5	type Rapid	result 1
		Opponent Delmarie, J (Jaymiree)				Opponent Nel, L (Luzelle)
2	2	Tournament Cape Winelands - Marie Delport Memorial 2024				Tournament Cape Winelands - Marie Delport Memorial 2024
		date 2024-01-27	rnd 4	type Rapid	result 1	date 2024-01-27	rnd 5	type Rapid	result 1
		Opponent Diedericks, S (Shardonique)				Opponent Afrika, T (Tashnique)
3	1	Tournament Cape Winelands Schools - PS Trials 1 2024				Tournament Cape Winelands Schools - PS Trials 1 2024
		date 2024-02-10	rnd 6	type Rapid	result 1	date 2024-02-10	rnd 6	type Rapid	result 1
		Opponent Evertson, A (Anthea)				Opponent Evertson, A (Anthea)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	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 3	type Standard	result 1
		Opponent Smit, C (Christie)				Opponent April, T (Trishaan)
2	2	Tournament Cape Winelands - Marie Delport Memorial 2024				Tournament Cape Winelands - Marie Delport Memorial 2024
		date 2024-01-27	rnd 4	type Rapid	result 1	date 2024-01-27	rnd 5	type Rapid	result 1
		Opponent Diedericks, S (Shardonique)				Opponent Afrika, T (Tashnique)
3	1	Tournament Cape Winelands Queens 2025				Tournament Cape Winelands Queens 2025
		date 2025-06-21	rnd 5	type Rapid	result 1	date 2025-06-21	rnd 5	type Rapid	result 1
		Opponent Nel, L (Luzelle)				Opponent Nel, L (Luzelle)

#	Games	Start				End
1	2	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 3	type Standard	result 1
		Opponent Smit, C (Christie)				Opponent April, T (Trishaan)
2	1	Tournament Cape Winelands Schools Prestige 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Sauls, L (Lekisha)				Opponent Sauls, L (Lekisha)
3	1	Tournament Cape Winelands Schools Prestige 2025				Tournament Cape Winelands Schools Prestige 2025
		date 2025-03-08	rnd 3	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Reynecke, K (Kiana)				Opponent Reynecke, K (Kiana)

#	Games	Start				End
1	2	Tournament Cape Winelands - Marie Delport Memorial 2024				Tournament Cape Winelands - Marie Delport Memorial 2024
		date 2024-01-27	rnd 4	type Rapid	result 1	date 2024-01-27	rnd 5	type Rapid	result 1
		Opponent Diedericks, S (Shardonique)				Opponent Afrika, T (Tashnique)
2	1	Tournament Cape Winelands Queens 2025				Tournament Cape Winelands Queens 2025
		date 2025-06-21	rnd 5	type Rapid	result 1	date 2025-06-21	rnd 5	type Rapid	result 1
		Opponent Nel, L (Luzelle)				Opponent Nel, L (Luzelle)
3	1	Tournament Cape Winelands Queens 2025				Tournament Cape Winelands Queens 2025
		date 2025-06-21	rnd 2	type Rapid	result 1	date 2025-06-21	rnd 2	type Rapid	result 1
		Opponent Delmarie, J (Jaymiree)				Opponent Delmarie, J (Jaymiree)

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	Afrika ,T (Tashnique)	3	1.5	0	2	0.5	-212.5	1	1	425	0	0	0
1	Afrika ,T (Tashnique)	3	1169.2	1169.2	2	1170.1	956.7	1	1207.2	1594.2	0	0	0
2	Van Der Westhuizen ,L (Linli)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
2	Van Der Westhuizen ,L (Linli)	2	1280.1	1067.6	2	1271.2	1067.6	0	0	0	0	0	0
3	Hudson ,O (Olivia Anne)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Hudson ,O (Olivia Anne)	2	1227.8	802.8	2	1235.2	802.8	0	0	0	0	0	0
4	Cyster ,R (Renesme)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Cyster ,R (Renesme)	2	1285.6	860.6	2	1235.1	860.6	0	0	0	0	0	0
5	Greyling ,Z (Zanlia)	2	1	0	1	1	425	1	0	-425	0	0	0
5	Greyling ,Z (Zanlia)	2	1208	1208	1	1200	1633	1	1211.5	783	0	0	0
6	Smith ,N (Nehe-Mia)	2	0	-425	1	0	-425	1	0	-425	0	0	0
6	Smith ,N (Nehe-Mia)	2	1173.2	748.2	1	1139.1	748.2	1	1198.7	748.2	0	0	0
7	Van Tonder ,L (Luhann)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Van Tonder ,L (Luhann)	1	1325.7	900.7	1	1294.4	900.7	0	0	0	0	0	0
8	April ,T (Trishaan)	1	1	425	1	1	425	0	0	0	0	0	0
8	April ,T (Trishaan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Afrika ,M (Mitayo)	1	1	425	1	1	425	0	0	0	0	0	0
9	Afrika ,M (Mitayo)	1	1127	1552	1	1145.2	1552	0	0	0	0	0	0
10	Sauls ,L (Lekisha)	1	1	425	1	1	425	0	0	0	0	0	0
10	Sauls ,L (Lekisha)	1	1061.6	1486.6	1	1054.6	1486.6	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, G (Graychael)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms