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

2025-10-16

Personal details last changed

1900-01-01

Junior GPX Games

11.2

Junior GPX Points

817.5

Item	Main	Standard	Rapid	Blitz
Rating	1174.4	1197.9	1163.9	1200
Raw rating	1075.6	1193	1011.5	1200
Weighted rating	1174.4	1197.9	1163.9	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	198	167.5	216.9	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	-8.8	-0.5	-13.5	0
New rating	1165.6	1197.4	1150.4	1200
Analysis
Rating	1174.4	1197.9	1163.9	1200
Raw rating	1075.6	1193	1011.5	1200
Weighted rating	1174.4	1197.9	1163.9
Weighted performance	0	0	0
K-factor	40	40	36	36
Floor	699.9	699.9	700	700
Max/Min rating change allowed	198	167.5	216.9	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	1075.6	1193	1011.5	1200
New weighted rating	1165.6	1197.4	1150.4	1200
New weighted performance	0	0	0	0
Temp new rating	1165.6	1197.4	1150.4	1200
Temp new rating +/-	-8.8	-0.5	-13.5	0
Final new rating +/-	-8.8	-0.5	-13.5	0
New rating	1165.6	1197.4	1150.4	1200
New K-factor	40	40	36	36
New floor	699.9	699.9	700	700

Item	Main	Standard	Rapid
	0	0	0
	20	5	15
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	20	5	15

Games since
	Main 20	Standard 5		Rapid 15		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	20	2	10	-340	1212.6	872.6
Standard	5	0	0	-425	1264.9	839.9
Rapid	15	2	13.33	-311.7	1195.1	883.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	20	2	10	-340	1212.6	872.6
Standard	5	0	0	-425	1264.9	839.9
Rapid	15	2	13.33	-311.7	1195.1	883.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1075.6	1193	1011.5	1200
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
2024-09-01	1200	1200	1200	1200
2024-05-01	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

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	Western Cape Schools LSEN Championship 2025 (U15)	2025-10-16	2025-10-16	Rapid	Cape Winelands (WCW)	5	5	1	Yes	Analysis
2	Kleinmond Chess Club Open 2025 (U14)	2025-08-30	2025-08-30	Rapid	Overberg (WOS)	6	5	1	Yes	Analysis
3	Cape Winelands Schools Development 2025 (U15+U17)	2025-08-02	2025-08-02	Rapid	Cape Winelands (WCW)	5	5	0	Yes	Analysis
4	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	Western Cape Schools LSEN Championship 2025 (U15)	2025-10-16	2025-10-16	Rapid	Cape Winelands (WCW)	5	5	1	Yes	Analysis
2	Kleinmond Chess Club Open 2025 (U14)	2025-08-30	2025-08-30	Rapid	Overberg (WOS)	6	5	1	Yes	Analysis
3	Cape Winelands Schools Development 2025 (U15+U17)	2025-08-02	2025-08-02	Rapid	Cape Winelands (WCW)	5	5	0	Yes	Analysis
4	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 Western Cape Schools LSEN Championship 2025				Tournament Western Cape Schools LSEN Championship 2025
		date 2025-10-16	rnd 1	type Rapid	result 1	date 2025-10-16	rnd 1	type Rapid	result 1
		Opponent Roux, F (Francois)				Opponent Roux, F (Francois)
2	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	Viljoen ,J (Joestin)	2	0	-425	0	0	0	2	0	-425	0	0	0
3	Viljoen ,J (Joestin)	2	1199	774	0	0	0	2	1198.4	774	0	0	0
4	Kwabe ,A (Awonke)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Kwabe ,A (Awonke)	1	1308.5	883.5	1	1305.8	883.5	0	0	0	0	0	0
5	Kotze ,J (Johann)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Kotze ,J (Johann)	1	1364.8	939.8	1	1349.9	939.8	0	0	0	0	0	0
6	Nel ,J (Jaap)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Nel ,J (Jaap)	1	1181.8	756.8	1	1200	756.8	0	0	0	0	0	0
7	Roux ,F (Francois)	1	1	425	0	0	0	1	1	425	0	0	0
7	Roux ,F (Francois)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Nomdee ,K (Kestin)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Nomdee ,K (Kestin)	1	1200	775	0	0	0	1	1200	775	0	0	0
9	Jiri ,H (Henry)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Jiri ,H (Henry)	1	1145.5	720.5	0	0	0	1	1137.1	720.5	0	0	0
10	Geland ,R (Remarqio)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Geland ,R (Remarqio)	1	1147.9	722.9	0	0	0	1	1200	722.9	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

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