Chess South Africa Ratings Database

PLAYER PAGE

Personal

Alkaster, R (Rickelme)

Chess SA id

1080113450

FIDE id

Date of birth

2008-02-17 (U18)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1255.6

Item	Main	Standard	Rapid	Blitz
Rating	1266	1244.8	1254.4	1200
Raw rating	1266	1244.8	1254.4	1200
Weighted rating	1262	1236.4	1254	1200
Weighted performance	1051.3	1019	0	0
Floor	820	804.9	758.1	700
K-factor	36	36	36	36
Min/Max rating change allowed	150.9	155.6	153.4	165.8
Highest rating	1320 2023-04-01	1533.5 2023-02-01	1322.9 2019-05-01	1200 2018-10-01
Highest raw rating	1320 2023-04-01	1304.9 2023-04-01	1258.1 2024-02-01	1200 2024-02-01
Highest weighted rating	1320 2024-07-01	1304.9 2024-07-01	1258.1 2024-02-01	1200 2018-10-01
Highest weighted performance	1267.5 2023-03-01	1533.5 2023-02-01	1322.9 2019-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1266	1244.8	1254.4	1200
Analysis
Rating	1266	1244.8	1254.4	1200
Raw rating	1266	1244.8	1254.4	1200
Weighted rating	1262	1236.4	1254
Weighted performance	1051.3	1019	0
K-factor	36	36	36	36
Floor	820	804.9	758.1	700
Max/Min rating change allowed	150.9	155.6	153.4	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	1266	1244.8	1254.4	1200
New weighted rating	1262.2	1237	1254.1	1200
New weighted performance	1044.2	1012	0	0
Temp new rating	1266	1244.8	1254.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1266	1244.8	1254.4	1200
New K-factor	36	36	36	36
New floor	820	804.9	758.1	700

Item	Main	Standard	Rapid
	0	0	0
	10	10	0
	10	4	6
	16	16	0
	0	0	0
	0	0	0
History	48	30	18

Games since
	Main 20	Standard 14		Rapid 6		Blitz 0
Gender	Male
Age group	U18
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	10	5	50	0	1282.2	1282.2
Standard	10	5	50	0	1282.2	1282.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	48	25.5	53.12	26.6	1271.7	1298.2
Standard	30	14.5	48.33	-14.2	1310.7	1296.6
Rapid	18	11	61.11	94.4	1206.6	1301
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1266	1244.8	1254.4	1200
2025-09-30	1266	1244.8	1254.4	1200
2025-09-01	1266	1244.8	1254.4	1200
2025-08-01	1266	1244.8	1254.4	1200
2025-07-01	1266	1244.8	1254.4	1200
2025-06-01	1266	1244.8	1254.4	1200
2025-05-01	1266	1244.8	1254.4	1200
2025-04-01	1266	1244.8	1254.4	1200
2025-03-01	1274.4	1251.8	1254.4	1200
2025-02-01	1261	1230.9	1254.4	1200
2025-01-01	1243	1203.4	1253.1	1200
2024-12-01	1243	1203.4	1253.1	1200
2024-11-01	1243	1203.4	1253.1	1200
2024-10-01	1243	1203.4	1253.1	1200
2024-09-01	1243	1203.4	1253.1	1200
2024-08-01	1243	1203.4	1253.1	1200
2024-07-01	1273.8	1257	1253.1	1200
2024-09-01	1273.8	1257	1253.1	1200
2024-05-01	1273.8	1257	1253.1	1200
2024-04-01	1273.8	1257	1253.1	1200
2024-03-01	1273.8	1257	1253.1	1200
2024-02-01	1282.1	1257	1258.1	1200
2024-01-01	1282.1	1257	1258.1	1200
2023-12-01	1282.1	1257	1258.1	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 Schools Prestige 2025 (U17 Boys)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
2	Cape Winelands Schools - Trials 1 2025 (U17 Boys)	2025-02-08	2025-02-08	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Winelands Schools Prestige 2025 (U17 Boys)	2025-03-08	2025-03-08	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
2	Cape Winelands Schools - Trials 1 2025 (U17 Boys)	2025-02-08	2025-02-08	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
3	Cape Winelands - Top Schools 2024 (U18 Mixed)	2024-07-27	2024-07-27	Standard	Cape Winelands (WCW)	5	4	1	Yes	Analysis
4	Cape Winelands Schools - HS Trials 1 2024 (U18 Boys)	2024-02-17	2024-02-17	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
5	Western Cape HS Individuals 2023 (U15 Boys)	2023-04-01	2023-04-02	Standard	Cape Town (WCT)	6	6	1.5	Yes	Analysis
6	Cape Winelands Schools Prestige 2023 (U15 Boys)	2023-03-11	2023-03-11	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
7	Cape Winelands Schools Chess - Trials 1 2023 (U15 Boys)	2023-02-25	2023-02-25	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
8	Nelson Mandela Rapid 2020 (Primary School)	2020-02-01	2020-02-01	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
9	Rhenish Primary Chess Tournament 2019 (U12)	2019-05-11	2019-05-11	Rapid	Cape Winelands (WCW)	7	6	4	Yes	Analysis

#	Games	Start				End
1	5	Tournament Nelson Mandela Rapid 2020				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2020-02-01	rnd 6	type Rapid	result 1	date 2023-02-25	rnd 4	type Standard	result 1
		Opponent Saoud, J (Jassem)				Opponent Koopman, J (Jayden)
2	3	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 3	type Rapid	result 1	date 2024-02-17	rnd 5	type Rapid	result 1
		Opponent Mackenzie, J (Jarian)				Opponent Kahn, K (Keanu)
3	3	Tournament Nelson Mandela Rapid 2020				Tournament Nelson Mandela Rapid 2020
		date 2020-02-01	rnd 2	type Rapid	result 1	date 2020-02-01	rnd 4	type Rapid	result 1
		Opponent September, C (Chameeka)				Opponent Calitz, J (Joey)

#	Games	Start				End
1	4	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 1	type Standard	result 1	date 2023-02-25	rnd 4	type Standard	result 1
		Opponent Mitchell, C (Callum)				Opponent Koopman, J (Jayden)
2	2	Tournament Cape Winelands - Top Schools 2024				Tournament Cape Winelands Schools - Trials 1 2025
		date 2024-07-27	rnd 5	type Standard	result 1	date 2025-02-08	rnd 1	type Standard	result 1
		Opponent Sineyile, H (Hlomla)				Opponent Brown, L (Levan)
3	2	Tournament Cape Winelands Schools Prestige 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-03-11	rnd 1	type Standard	result 1	date 2023-03-11	rnd 2	type Standard	result 1
		Opponent Van Der Merwe, J (Johann)				Opponent De Klerk, H (Hanro)

#	Games	Start				End
1	3	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 3	type Rapid	result 1	date 2024-02-17	rnd 5	type Rapid	result 1
		Opponent Mackenzie, J (Jarian)				Opponent Kahn, K (Keanu)
2	3	Tournament Nelson Mandela Rapid 2020				Tournament Nelson Mandela Rapid 2020
		date 2020-02-01	rnd 2	type Rapid	result 1	date 2020-02-01	rnd 4	type Rapid	result 1
		Opponent September, C (Chameeka)				Opponent Calitz, J (Joey)
3	3	Tournament Rhenish Primary Chess Tournament 2019				Tournament Rhenish Primary Chess Tournament 2019
		date 2019-05-11	rnd 2	type Rapid	result 1	date 2019-05-11	rnd 4	type Rapid	result 1
		Opponent Toerien, L (Linda)				Opponent Mente, L (Limi)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Nelson Mandela Rapid 2020				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2020-02-01	rnd 6	type Rapid	result 1	date 2023-02-25	rnd 4	type Standard	result 1
		Opponent Saoud, J (Jassem)				Opponent Koopman, J (Jayden)
2	3	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 3	type Rapid	result 1	date 2024-02-17	rnd 5	type Rapid	result 1
		Opponent Mackenzie, J (Jarian)				Opponent Kahn, K (Keanu)
3	3	Tournament Nelson Mandela Rapid 2020				Tournament Nelson Mandela Rapid 2020
		date 2020-02-01	rnd 2	type Rapid	result 1	date 2020-02-01	rnd 4	type Rapid	result 1
		Opponent September, C (Chameeka)				Opponent Calitz, J (Joey)

#	Games	Start				End
1	4	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 1	type Standard	result 1	date 2023-02-25	rnd 4	type Standard	result 1
		Opponent Mitchell, C (Callum)				Opponent Koopman, J (Jayden)
2	2	Tournament Cape Winelands - Top Schools 2024				Tournament Cape Winelands Schools - Trials 1 2025
		date 2024-07-27	rnd 5	type Standard	result 1	date 2025-02-08	rnd 1	type Standard	result 1
		Opponent Sineyile, H (Hlomla)				Opponent Brown, L (Levan)
3	2	Tournament Cape Winelands Schools Prestige 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-03-11	rnd 1	type Standard	result 1	date 2023-03-11	rnd 2	type Standard	result 1
		Opponent Van Der Merwe, J (Johann)				Opponent De Klerk, H (Hanro)

#	Games	Start				End
1	3	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 3	type Rapid	result 1	date 2024-02-17	rnd 5	type Rapid	result 1
		Opponent Mackenzie, J (Jarian)				Opponent Kahn, K (Keanu)
2	3	Tournament Nelson Mandela Rapid 2020				Tournament Nelson Mandela Rapid 2020
		date 2020-02-01	rnd 2	type Rapid	result 1	date 2020-02-01	rnd 4	type Rapid	result 1
		Opponent September, C (Chameeka)				Opponent Calitz, J (Joey)
3	3	Tournament Rhenish Primary Chess Tournament 2019				Tournament Rhenish Primary Chess Tournament 2019
		date 2019-05-11	rnd 2	type Rapid	result 1	date 2019-05-11	rnd 4	type Rapid	result 1
		Opponent Toerien, L (Linda)				Opponent Mente, L (Limi)

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	Coetzee ,C (Conlinn)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Coetzee ,C (Conlinn)	2	1358.1	933.1	2	1345.6	933.1	0	0	0	0	0	0
2	De Klerk ,H (Hanro)	2	2	425	2	2	425	0	0	0	0	0	0
2	De Klerk ,H (Hanro)	2	1348.6	1773.6	2	1279.1	1773.6	0	0	0	0	0	0
3	De Vos ,ES (Eustace Steyn)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	De Vos ,ES (Eustace Steyn)	2	1304.9	879.9	1	1476.5	879.9	1	1011.2	879.9	0	0	0
4	Viljoen ,W (Wynand)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Viljoen ,W (Wynand)	1	1328.2	1328.2	1	1275.8	1328.2	0	0	0	0	0	0
5	White ,D (Dvenerio)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	White ,D (Dvenerio)	1	1313.9	888.9	1	1253.1	888.9	0	0	0	0	0	0
6	Sonaba ,L (Libhongo)	1	1	425	1	1	425	0	0	0	0	0	0
6	Sonaba ,L (Libhongo)	1	1296.5	1721.5	1	1247.8	1721.5	0	0	0	0	0	0
7	Mofokeng ,B (Bokang Gift Phoka)	1	1	425	1	1	425	0	0	0	0	0	0
7	Mofokeng ,B (Bokang Gift Phoka)	1	1224.6	1649.6	1	1248.3	1649.6	0	0	0	0	0	0
8	Manjati ,K (Kamvalatethu)	1	1	425	1	1	425	0	0	0	0	0	0
8	Manjati ,K (Kamvalatethu)	1	1179.9	1604.9	1	1215.4	1604.9	0	0	0	0	0	0
9	Van Niekerk ,M (Mariano)	1	1	425	1	1	425	0	0	0	0	0	0
9	Van Niekerk ,M (Mariano)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Strydom ,MJ (Matthys Jacobus)	1	1	425	1	1	425	0	0	0	0	0	0
10	Strydom ,MJ (Matthys Jacobus)	1	1473.2	1898.2	1	1460.3	1898.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Alkaster, R (Rickelme)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms