Chess South Africa Ratings Database

PLAYER PAGE

Personal

Grieve, R (Rayden)

Chess SA id

1110152502

FIDE id

Date of birth

2011-08-18 (U16)

Gender

Male

Region

West Rand (GWR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-05-04

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1063.2	1056.8	1200	1200
Raw rating	1063.2	1056.8	1200	1200
Weighted rating	1062.1	1055.6	1200	1200
Weighted performance	828.5	826.6	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	201.5	203.3	165.8	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 2024-03-01	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 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1063.2	1056.8	1200	1200
Analysis
Rating	1063.2	1056.8	1200	1200
Raw rating	1063.2	1056.8	1200	1200
Weighted rating	1062.1	1055.6	1200
Weighted performance	828.5	826.6	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	201.5	203.3	165.8	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	1063.2	1056.8	1200	1200
New weighted rating	1062.2	1055.9	1200	1200
New weighted performance	828.2	826.3	0	0
Temp new rating	1063.2	1056.8	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1063.2	1056.8	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	14	14
	24	24
	0	0
	0	0
History	38	38

Games since
	Main 14	Standard 14		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	West Rand (GWR)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	38	9.5	25	-212.5	1222.8	1010.3
Standard	38	9.5	25	-212.5	1222.8	1010.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1063.2	1056.8	1200	1200
2025-09-01	1063.2	1056.8	1200	1200
2025-08-01	1063.2	1056.8	1200	1200
2025-07-01	1063.2	1056.8	1200	1200
2025-06-01	1063.2	1056.8	1200	1200
2025-05-01	1063.2	1056.8	1200	1200
2025-04-01	1063.2	1056.8	1200	1200
2025-03-01	1063.2	1056.8	1200	1200
2025-02-01	1063.2	1056.8	1200	1200
2025-01-01	1062.1	1056.8	1200	1200
2024-12-01	1062.1	1056.8	1200	1200
2024-11-01	1062.1	1056.8	1200	1200
2024-10-01	1062.1	1056.8	1200	1200
2024-09-01	1062.1	1056.8	1200	1200
2024-08-01	1062.1	1056.8	1200	1200
2024-07-01	1062.1	1056.8	1200	1200
2024-06-01	1062.1	1056.8	1200	1200
2024-08-01	1055.8	1048	1200	1200
2024-04-01	1055.8	1048	1200	1200
2024-03-01	1055.8	1048	1200	1200
2024-02-01	1032.9	1017.2	1200	1200
2024-01-01	1065.6	1049.2	1200	1200
2023-12-01	1065.6	1049.2	1200	1200
2023-11-01	1065.6	1049.2	1200	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	2024 D2 Schools Individuals (U13 Boys)	2024-05-04	2024-05-04	Standard	West Rand (GWR)	5	5	1.5	Yes	Analysis
2	2024 West Rand Open (U14)	2024-02-03	2024-02-03	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
3	2024 Gauteng Inter-Region Chess Championship (U14B)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
4	2023 West Rand Trials (U14)	2023-09-09	2023-09-09	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
5	West Rand at Bastion 2023 (Bishops)	2023-08-05	2023-08-05	Standard	West Rand (GWR)	5	4	0	Yes	Analysis
6	2023 West Rand RHS Open (Bishops)	2023-06-10	2023-06-10	Standard	West Rand (GWR)	5	5	1	Yes	Analysis
7	D2 Schools Individuals 2023 (U13 Boys)	2023-05-13	2023-05-13	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
8	West Rand Juniors 2023 (U14)	2023-03-18	2023-03-18	Standard	West Rand (GWR)	5	5	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament 2024 West Rand Open				Tournament 2024 West Rand Open
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 4	type Standard	result 1
		Opponent Butler, A (Avron)				Opponent Rooskrants, A (Anthony)
2	1	Tournament 2024 D2 Schools Individuals				Tournament 2024 D2 Schools Individuals
		date 2024-05-04	rnd 5	type Standard	result 0.5	date 2024-05-04	rnd 5	type Standard	result 0.5
		Opponent Noko, K (Katlego)				Opponent Noko, K (Katlego)
3	1	Tournament 2024 D2 Schools Individuals				Tournament 2024 D2 Schools Individuals
		date 2024-05-04	rnd 2	type Standard	result 1	date 2024-05-04	rnd 2	type Standard	result 1
		Opponent Roscher, Z (Zachary)				Opponent Roscher, Z (Zachary)

#	Games	Start				End
1	2	Tournament 2024 West Rand Open				Tournament 2024 West Rand Open
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 4	type Standard	result 1
		Opponent Butler, A (Avron)				Opponent Rooskrants, A (Anthony)
2	1	Tournament 2024 D2 Schools Individuals				Tournament 2024 D2 Schools Individuals
		date 2024-05-04	rnd 5	type Standard	result 0.5	date 2024-05-04	rnd 5	type Standard	result 0.5
		Opponent Noko, K (Katlego)				Opponent Noko, K (Katlego)
3	1	Tournament 2024 D2 Schools Individuals				Tournament 2024 D2 Schools Individuals
		date 2024-05-04	rnd 2	type Standard	result 1	date 2024-05-04	rnd 2	type Standard	result 1
		Opponent Roscher, Z (Zachary)				Opponent Roscher, Z (Zachary)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2024 West Rand Open				Tournament 2024 West Rand Open
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 4	type Standard	result 1
		Opponent Butler, A (Avron)				Opponent Rooskrants, A (Anthony)
2	1	Tournament 2024 D2 Schools Individuals				Tournament 2024 D2 Schools Individuals
		date 2024-05-04	rnd 2	type Standard	result 1	date 2024-05-04	rnd 2	type Standard	result 1
		Opponent Roscher, Z (Zachary)				Opponent Roscher, Z (Zachary)
3	1	Tournament 2023 West Rand Trials				Tournament 2023 West Rand Trials
		date 2023-09-09	rnd 5	type Standard	result 1	date 2023-09-09	rnd 5	type Standard	result 1
		Opponent Paul, B (Blessing)				Opponent Paul, B (Blessing)

#	Games	Start				End
1	2	Tournament 2024 West Rand Open				Tournament 2024 West Rand Open
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 4	type Standard	result 1
		Opponent Butler, A (Avron)				Opponent Rooskrants, A (Anthony)
2	1	Tournament 2024 D2 Schools Individuals				Tournament 2024 D2 Schools Individuals
		date 2024-05-04	rnd 2	type Standard	result 1	date 2024-05-04	rnd 2	type Standard	result 1
		Opponent Roscher, Z (Zachary)				Opponent Roscher, Z (Zachary)
3	1	Tournament 2023 West Rand Trials				Tournament 2023 West Rand Trials
		date 2023-09-09	rnd 5	type Standard	result 1	date 2023-09-09	rnd 5	type Standard	result 1
		Opponent Paul, B (Blessing)				Opponent Paul, B (Blessing)

No games found.

#	Games	Start				End

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	Ngwenya ,D (David)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Ngwenya ,D (David)	1	1200	775	1	1200	775	0	0	0	0	0	0
2	Mtinane ,J (Jabulile)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Mtinane ,J (Jabulile)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Fourie ,C (Caitlin)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Fourie ,C (Caitlin)	1	1169.8	744.8	1	1163.2	744.8	0	0	0	0	0	0
4	Sibanda ,M (Marlvin)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Sibanda ,M (Marlvin)	1	1226.8	801.8	1	1228.7	801.8	0	0	0	0	0	0
5	Phage ,T (Thato)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Phage ,T (Thato)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Ackerman ,J (Johandre)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Ackerman ,J (Johandre)	1	1165.1	740.1	1	1164.8	740.1	0	0	0	0	0	0
7	Jacobs ,H (Hanno)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Jacobs ,H (Hanno)	1	1374.7	949.7	1	1367.7	949.7	0	0	0	0	0	0
8	Phahlametsing ,K (Kitso)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Phahlametsing ,K (Kitso)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Radyn ,H (Hanko)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Radyn ,H (Hanko)	1	1262.6	837.6	1	1274.1	837.6	0	0	0	0	0	0
10	Du Plessis ,D (Dotynian)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Du Plessis ,D (Dotynian)	1	1204.5	779.5	1	1206.8	779.5	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

Grieve, R (Rayden)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms