Chess South Africa Ratings Database

PLAYER PAGE

Personal

Groenewald, J (Jayden)

Chess SA id

1060108789

FIDE id

Date of birth

2006-10-17 (U20)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-07-28

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1224	1216.6	1176.8	1200
Raw rating	1224	1216.6	1176.8	1200
Weighted rating	1219.7	1211.6	1176.8	1200
Weighted performance	842	800	0	0
Floor	724	716.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	160.2	161.9	171.4	165.8
Highest rating	1224 2024-08-01	1216.6 2024-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1224 2024-08-01	1216.6 2024-08-01	1200 2018-02-01	1200 2024-02-01
Highest weighted rating	1217.6 2025-08-01	1216.6 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1220.2 2020-02-01	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1224	1216.6	1176.8	1200
Analysis
Rating	1224	1216.6	1176.8	1200
Raw rating	1224	1216.6	1176.8	1200
Weighted rating	1219.7	1211.6	1176.8
Weighted performance	842	800	0
K-factor	36	36	36	36
Floor	724	716.6	700	700
Max/Min rating change allowed	160.2	161.9	171.4	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	1224	1216.6	1176.8	1200
New weighted rating	1220.5	1212.6	1176.8	1200
New weighted performance	841.6	799.6	0	0
Temp new rating	1224	1216.6	1176.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1224	1216.6	1176.8	1200
New K-factor	36	36	36	36
New floor	724	716.6	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	6	6	0
	6	6	0
	6	6	0
	5	0	5
History	60	44	16

Games since
	Main 6	Standard 6		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	60	27.5	45.83	-35.4	1235.1	1199.7
Standard	44	19.5	44.32	-48.3	1251.5	1203.2
Rapid	16	8	50	0	1190	1190
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1224	1216.6	1176.8	1200
2025-09-01	1224	1216.6	1176.8	1200
2025-08-01	1224	1216.6	1176.8	1200
2025-07-01	1224	1216.6	1176.8	1200
2025-06-01	1224	1216.6	1176.8	1200
2025-05-01	1224	1216.6	1176.8	1200
2025-04-01	1224	1216.6	1176.8	1200
2025-03-01	1224	1216.6	1176.8	1200
2025-02-01	1224	1216.6	1176.8	1200
2025-01-01	1224	1216.6	1176.8	1200
2024-12-01	1224	1216.6	1176.8	1200
2024-11-01	1224	1216.6	1176.8	1200
2024-10-01	1224	1216.6	1176.8	1200
2024-09-01	1224	1216.6	1176.8	1200
2024-08-01	1224	1216.6	1176.8	1200
2024-07-01	1195	1183.5	1176.8	1200
2024-06-01	1195	1183.5	1176.8	1200
2024-08-01	1195	1183.5	1176.8	1200
2024-04-01	1195	1183.5	1176.8	1200
2024-03-01	1195	1183.5	1176.8	1200
2024-02-01	1195	1183.5	1176.8	1200
2024-01-01	1195	1183.5	1176.8	1200
2023-12-01	1195	1183.5	1176.8	1200
2023-11-01	1195	1183.5	1176.8	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	CT Metro District East Top Schools Chess 2024 (U18 Mixed)	2024-07-27	2024-07-28	Standard	Cape Town (WCT)	7	6	2.5	Yes	Analysis
2	District East Schools Chess Individual Trials 2023 (U17 Boys)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
3	Kraaifontein Open 2022 (Intermediate)	2022-01-08	2022-01-09	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
4	Kraaifontein Rapid 2021 (Beginner)	2021-12-11	2021-12-12	Rapid	Cape Town (WCT)	6	5	2	Yes	Analysis
5	2020 Western Province Open (Prestige)	2020-03-07	2020-03-08	Standard	Cape Town (WCT)	6	6	1	Yes	Analysis
6	2020 East District Individuals (U15)	2020-01-31	2020-02-01	Standard	Cape Town (WCT)	6	5	3	Yes	Analysis
7	2019 Kraaifontein Open (Development)	2019-12-07	2019-12-08	Standard	Cape Town (WCT)	6	5	3	Yes	Analysis
8	2019 WP Youth Open (C)	2019-07-13	2019-07-13	Standard	Cape Town (WCT)	5	4	2	Yes	Analysis
9	2019 Rylands Library Winter Slam (Beginner)	2019-06-27	2019-06-27	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
10	Welgemoed Chess Challenge 2019 (U14)	2019-02-23	2019-02-23	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis
11	2019 Metro-East District Schools Trials (U13)	2019-02-01	2019-02-02	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament 2019 Rylands Library Winter Slam				Tournament 2019 WP Youth Open
		date 2019-06-27	rnd 5	type Rapid	result 1	date 2019-07-13	rnd 3	type Standard	result 1
		Opponent Lewis, M (Mueez)				Opponent Mackintosh, S (Samuel)
2	3	Tournament 2019 Kraaifontein Open				Tournament 2020 East District Individuals
		date 2019-12-08	rnd 5	type Standard	result 1	date 2020-01-31	rnd 1	type Standard	result 1
		Opponent Ephraim, J (Jacquin)				Opponent Ngqongwa, N (Ntando)
3	3	Tournament 2019 Metro-East District Schools Trials				Tournament 2019 Metro-East District Schools Trials
		date 2019-02-02	rnd 3	type Standard	result 1	date 2019-02-02	rnd 5	type Standard	result 1
		Opponent Kok, C (Chaswin)				Opponent Pfaff, D (Darius)

#	Games	Start				End
1	3	Tournament 2019 Kraaifontein Open				Tournament 2020 East District Individuals
		date 2019-12-08	rnd 5	type Standard	result 1	date 2020-01-31	rnd 1	type Standard	result 1
		Opponent Ephraim, J (Jacquin)				Opponent Ngqongwa, N (Ntando)
2	3	Tournament 2019 Metro-East District Schools Trials				Tournament 2019 Metro-East District Schools Trials
		date 2019-02-02	rnd 3	type Standard	result 1	date 2019-02-02	rnd 5	type Standard	result 1
		Opponent Kok, C (Chaswin)				Opponent Pfaff, D (Darius)
3	2	Tournament CT Metro District East Top Schools Chess 2024				Tournament CT Metro District East Top Schools Chess 2024
		date 2024-07-27	rnd 4	type Standard	result 1	date 2024-07-28	rnd 5	type Standard	result 0.5
		Opponent Sopazi, S (Sisa)				Opponent Jaftha, J (Jeyhlin)

#	Games	Start				End
1	3	Tournament 2019 Rylands Library Winter Slam				Tournament Kraaifontein Rapid 2021
		date 2019-06-27	rnd 5	type Rapid	result 1	date 2021-12-11	rnd 1	type Rapid	result 1
		Opponent Lewis, M (Mueez)				Opponent Russell, C (Christopher)
2	1	Tournament Kraaifontein Rapid 2021				Tournament Kraaifontein Rapid 2021
		date 2021-12-12	rnd 5	type Rapid	result 1	date 2021-12-12	rnd 5	type Rapid	result 1
		Opponent Shapiro, H (Hannah)				Opponent Shapiro, H (Hannah)
3	1	Tournament 2019 Rylands Library Winter Slam				Tournament 2019 Rylands Library Winter Slam
		date 2019-06-27	rnd 3	type Rapid	result 1	date 2019-06-27	rnd 3	type Rapid	result 1
		Opponent Mwnengeni, A (Audicious)				Opponent Mwnengeni, A (Audicious)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament 2019 Rylands Library Winter Slam				Tournament 2019 WP Youth Open
		date 2019-06-27	rnd 5	type Rapid	result 1	date 2019-07-13	rnd 3	type Standard	result 1
		Opponent Lewis, M (Mueez)				Opponent Mackintosh, S (Samuel)
2	3	Tournament 2019 Kraaifontein Open				Tournament 2020 East District Individuals
		date 2019-12-08	rnd 5	type Standard	result 1	date 2020-01-31	rnd 1	type Standard	result 1
		Opponent Ephraim, J (Jacquin)				Opponent Ngqongwa, N (Ntando)
3	3	Tournament 2019 Metro-East District Schools Trials				Tournament 2019 Metro-East District Schools Trials
		date 2019-02-02	rnd 3	type Standard	result 1	date 2019-02-02	rnd 5	type Standard	result 1
		Opponent Kok, C (Chaswin)				Opponent Pfaff, D (Darius)

#	Games	Start				End
1	3	Tournament 2019 Kraaifontein Open				Tournament 2020 East District Individuals
		date 2019-12-08	rnd 5	type Standard	result 1	date 2020-01-31	rnd 1	type Standard	result 1
		Opponent Ephraim, J (Jacquin)				Opponent Ngqongwa, N (Ntando)
2	3	Tournament 2019 Metro-East District Schools Trials				Tournament 2019 Metro-East District Schools Trials
		date 2019-02-02	rnd 3	type Standard	result 1	date 2019-02-02	rnd 5	type Standard	result 1
		Opponent Kok, C (Chaswin)				Opponent Pfaff, D (Darius)
3	2	Tournament District East Schools Chess Individual Trials 2023				Tournament District East Schools Chess Individual Trials 2023
		date 2023-02-04	rnd 3	type Standard	result 1	date 2023-02-04	rnd 4	type Standard	result 1
		Opponent Isaacs, L (Lucian)				Opponent Forbes, M (Matthew)

#	Games	Start				End
1	3	Tournament 2019 Rylands Library Winter Slam				Tournament Kraaifontein Rapid 2021
		date 2019-06-27	rnd 5	type Rapid	result 1	date 2021-12-11	rnd 1	type Rapid	result 1
		Opponent Lewis, M (Mueez)				Opponent Russell, C (Christopher)
2	1	Tournament Kraaifontein Rapid 2021				Tournament Kraaifontein Rapid 2021
		date 2021-12-12	rnd 5	type Rapid	result 1	date 2021-12-12	rnd 5	type Rapid	result 1
		Opponent Shapiro, H (Hannah)				Opponent Shapiro, H (Hannah)
3	1	Tournament 2019 Rylands Library Winter Slam				Tournament 2019 Rylands Library Winter Slam
		date 2019-06-27	rnd 3	type Rapid	result 1	date 2019-06-27	rnd 3	type Rapid	result 1
		Opponent Mwnengeni, A (Audicious)				Opponent Mwnengeni, A (Audicious)

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	Van Niekerk ,L (Lizelle)	3	0	-425	2	0	-425	1	0	-425	0	0	0
1	Van Niekerk ,L (Lizelle)	3	1071	646	2	1165.7	646	1	597.2	646	0	0	0
2	Waguta ,B (Brooklyn)	2	1	0	2	1	0	0	0	0	0	0	0
2	Waguta ,B (Brooklyn)	2	1426.3	1426.3	2	1410.2	1426.3	0	0	0	0	0	0
3	Bell ,L (Luke)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Bell ,L (Luke)	2	1274.2	849.2	1	1208.4	849.2	1	1281.6	849.2	0	0	0
4	Mpu ,L (Live)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mpu ,L (Live)	1	806.9	1231.9	1	762.6	1231.9	0	0	0	0	0	0
5	Jaftha ,J (Jeyhlin)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Jaftha ,J (Jeyhlin)	1	1417.1	1417.1	1	1372.8	1417.1	0	0	0	0	0	0
6	Sombalo ,L (Luvolwethu)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Sombalo ,L (Luvolwethu)	1	1240.3	815.3	1	1244.6	815.3	0	0	0	0	0	0
7	Forbes ,M (Matthew)	1	1	425	1	1	425	0	0	0	0	0	0
7	Forbes ,M (Matthew)	1	1180.6	1605.6	1	1201.6	1605.6	0	0	0	0	0	0
8	Ezau ,W (Wade)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Ezau ,W (Wade)	1	1194.8	769.8	1	1172.4	769.8	0	0	0	0	0	0
9	Brander ,WWM (Waylon)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Brander ,WWM (Waylon)	1	1364.1	939.1	1	1376	939.1	0	0	0	0	0	0
10	Preston ,W (Waylon)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Preston ,W (Waylon)	1	1295.4	870.4	1	1278.1	870.4	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

Groenewald, J (Jayden)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms