Chess South Africa Ratings Database

PLAYER PAGE

Personal

Alkaster, K (Keehourn)

Chess SA id

1110323405

FIDE id

Date of birth

2011-06-03 (U16)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1183.6	1198.4	1178	1200
Raw rating	1098.5	1193	1059.7	1200
Weighted rating	1183.6	1198.4	1178	1200
Weighted performance	0	0	0	0
Floor	699.9	699.9	700	700
K-factor	40	40	36	36
Min/Max rating change allowed	191.6	167.5	202.5	165.8
Highest rating	1199.9 2025-07-24	1199.9 2025-07-24	1200 2025-08-01	1200 2025-08-01
Highest raw rating	1199.9 2025-07-24	1199.9 2025-07-24	1200 2025-08-01	1200 2025-08-01
Highest weighted rating	1199.9 2025-07-24	1199.9 2025-07-24	1200 2025-08-01	1200 2025-08-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-7.4	-0.5	-10.3	0
New rating	1176.2	1197.9	1167.7	1200
Analysis
Rating	1183.6	1198.4	1178	1200
Raw rating	1098.5	1193	1059.7	1200
Weighted rating	1183.6	1198.4	1178
Weighted performance	0	0	0
K-factor	40	40	36	36
Floor	699.9	699.9	700	700
Max/Min rating change allowed	191.6	167.5	202.5	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	1098.5	1193	1059.7	1200
New weighted rating	1176.2	1197.9	1167.7	1200
New weighted performance	0	0	0	0
Temp new rating	1176.2	1197.9	1167.7	1200
Temp new rating +/-	-7.4	-0.5	-10.3	0
Final new rating +/-	-7.4	-0.5	-10.3	0
New rating	1176.2	1197.9	1167.7	1200
New K-factor	40	40	36	36
New floor	699.9	699.9	700	700

Item	Main	Standard	Rapid
	0	0	0
	15	5	10
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	15	5	10

Games since
	Main 15	Standard 5		Rapid 10		Blitz 0
Gender	Male
Age group	U16
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
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	15	1	6.67	-368.3	1216.9	848.5
Standard	5	0	0	-425	1264.9	839.9
Rapid	10	1	10	-340	1192.8	852.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	15	1	6.67	-368.3	1216.9	848.5
Standard	5	0	0	-425	1264.9	839.9
Rapid	10	1	10	-340	1192.8	852.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1098.5	1193	1059.7	1200
2025-09-01	1098.5	1193	1059.7	1200
2025-08-01	1193.9	1193	1200	1200
2025-07-01	1200	1200	1200	1200
2025-06-01	1200	1200	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	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	Kleinmond Chess Club Open 2025 (U14)	2025-08-30	2025-08-30	Rapid	Overberg (WOS)	6	5	1	Yes	Analysis
2	Cape Winelands Schools Development 2025 (U15+U17)	2025-08-02	2025-08-02	Rapid	Cape Winelands (WCW)	5	5	0	Yes	Analysis
3	Cape Winelands Open 2025 (Intermediate)	2025-07-19	2025-07-20	Standard	Cape Winelands (WCW)	6	5	0	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Kleinmond Chess Club Open 2025 (U14)	2025-08-30	2025-08-30	Rapid	Overberg (WOS)	6	5	1	Yes	Analysis
2	Cape Winelands Schools Development 2025 (U15+U17)	2025-08-02	2025-08-02	Rapid	Cape Winelands (WCW)	5	5	0	Yes	Analysis
3	Cape Winelands Open 2025 (Intermediate)	2025-07-19	2025-07-20	Standard	Cape Winelands (WCW)	6	5	0	Yes	Analysis

#	Games	Start				End
1	1	Tournament Kleinmond Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-08-30	rnd 5	type Rapid	result 1	date 2025-08-30	rnd 5	type Rapid	result 1
		Opponent Louw, K (Keegan)				Opponent Louw, K (Keegan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Kleinmond Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-08-30	rnd 5	type Rapid	result 1	date 2025-08-30	rnd 5	type Rapid	result 1
		Opponent Louw, K (Keegan)				Opponent Louw, K (Keegan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Kleinmond Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-08-30	rnd 5	type Rapid	result 1	date 2025-08-30	rnd 5	type Rapid	result 1
		Opponent Louw, K (Keegan)				Opponent Louw, K (Keegan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Kleinmond Chess Club Open 2025				Tournament Kleinmond Chess Club Open 2025
		date 2025-08-30	rnd 5	type Rapid	result 1	date 2025-08-30	rnd 5	type Rapid	result 1
		Opponent Louw, K (Keegan)				Opponent Louw, K (Keegan)

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	Solomon ,B (Brooklyn)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Solomon ,B (Brooklyn)	2	1261.5	836.5	1	1251.9	836.5	1	1208.6	836.5	0	0	0
2	Franke ,L (Lucian)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Franke ,L (Lucian)	2	1198.3	773.3	1	1200	773.3	1	1200	773.3	0	0	0
3	Kotze ,J (Johann)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Kotze ,J (Johann)	1	1364.8	939.8	1	1349.9	939.8	0	0	0	0	0	0
4	Nel ,J (Jaap)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Nel ,J (Jaap)	1	1181.8	756.8	1	1200	756.8	0	0	0	0	0	0
5	Kwabe ,A (Awonke)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Kwabe ,A (Awonke)	1	1308.5	883.5	1	1305.8	883.5	0	0	0	0	0	0
6	Mouers ,J (Jody-Lee)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Mouers ,J (Jody-Lee)	1	1167.4	742.4	0	0	0	1	1194	742.4	0	0	0
7	Jiri ,H (Henry)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Jiri ,H (Henry)	1	1145.5	720.5	0	0	0	1	1137.1	720.5	0	0	0
8	Louw ,K (Keegan)	1	1	425	0	0	0	1	1	425	0	0	0
8	Louw ,K (Keegan)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Viljoen ,J (Joestin)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Viljoen ,J (Joestin)	1	1200	775	0	0	0	1	1200	775	0	0	0
10	Blaauws ,I (Ilano)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Blaauws ,I (Ilano)	1	1268.8	843.8	0	0	0	1	1305.3	843.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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Statistics

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PLAYER PAGE

Personal

Alkaster, K (Keehourn)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms