Chess South Africa Ratings Database

PLAYER PAGE

Personal

Collison, D (David)

Chess SA id

1060096530

FIDE id

Date of birth

2006-07-22 (U20)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	979.5	1036.8	540	540
Raw rating	979.5	1036.8	540	540
Weighted rating	897.3	949.2	540	540
Weighted performance	755.3	753.7	0	0
Floor	500	536.8	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	227	209.2	424.6	424.6
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	979.5 2025-11-01	1036.8 2025-11-01	540 2024-02-01	540 2024-02-01
Highest weighted rating	897.3 2025-11-01	949.2 2025-11-01	540 2024-11-01	540 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	979.5	1036.8	540	540
Analysis
Rating	979.5	1036.8	540	540
Raw rating	979.5	1036.8	540	540
Weighted rating	897.3	949.2	540
Weighted performance	755.3	753.7	0
K-factor	40	40	40	40
Floor	500	536.8	500	500
Max/Min rating change allowed	227	209.2	424.6	424.6
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	979.5	1036.8	540	540
New weighted rating	904.1	956.5	540	540
New weighted performance	748.1	746.6	0	0
Temp new rating	979.5	1036.8	540	540
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	979.5	1036.8	540	540
New K-factor	40	40	40	40
New floor	500	536.8	500	500

Item	Main	Standard
	0	0
	6	6
	0	0
	5	5
	0	0
	0	0
History	50	50

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	6	3	50	0	1277.3	1277.3
Standard	6	3	50	0	1277.3	1277.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	37	14.5	39.19	-91.9	1225.6	1133.7
Standard	37	14.5	39.19	-91.9	1225.6	1133.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	979.5	1036.8	540	540
2025-09-30	890.1	941.6	540	540
2025-09-01	890.1	941.6	540	540
2025-08-01	890.1	941.6	540	540
2025-07-01	890.1	941.6	540	540
2025-06-01	890.1	941.6	540	540
2025-05-01	890.1	941.6	540	540
2025-04-01	890.1	941.6	540	540
2025-03-01	890.1	941.6	540	540
2025-02-01	890.1	941.6	540	540
2025-01-01	890.1	941.6	540	540
2024-12-01	890.1	941.6	540	540
2024-11-01	890.1	941.6	540	540
2024-10-01	890.1	941.6	540	540
2024-09-01	890.1	941.6	540	540
2024-08-01	890.1	941.6	540	540
2024-07-01	890.1	941.6	540	540
2024-09-01	890.1	941.6	540	540
2024-05-01	890.1	941.6	540	540
2024-04-01	890.1	941.6	540	540
2024-03-01	890.1	941.6	540	540
2024-02-01	890.1	941.6	540	540
2024-01-01	890.1	941.6	540	540
2023-12-01	888.8	941.6	540	540

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 Town Chess Federation Club League 2025 (E)	2025-08-16	2025-08-23	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Town Chess Federation Club League 2025 (E)	2025-08-16	2025-08-23	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
2	Central District School Trials 2023 (U17 Boys)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	5	2	Yes	Analysis
3	2020 Metro Trials (U15 Boys)	2020-03-13	2020-03-14	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
4	2020 Central District (U15)	2020-02-07	2020-02-08	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
5	2019 Western Province League (C)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	1	0	Yes	Analysis
6	2018 Western Province League (E)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	7	3	0.5	Yes	Analysis
7	2018 WP Schools Closed Trials (U13 Boys)	2018-03-09	2018-03-10	Standard	Cape Town (WCT)	6	5	1	Yes	Analysis
8	District East Schools Chess Open Trials 2018 (U13)	2018-02-02	2018-02-03	Standard	Cape Town (WCT)	6	1	0	Yes	Analysis
9	WP District South 2018 (U13)	2018-02-01	2018-02-02	Standard	Cape Town (WCT)	6	5	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament Central District School Trials 2023				Tournament Cape Town Chess Federation Club League 2025
		date 2023-02-04	rnd 6	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Clark, A (Ameer)				Opponent Mlandu, A (Azingce)
2	3	Tournament WP District South 2018				Tournament WP District South 2018
		date 2018-02-01	rnd 2	type Standard	result 1	date 2018-02-01	rnd 5	type Standard	result 1
		Opponent Mentoor, M (Micah)				Opponent Hove, C (Chichi)
3	2	Tournament 2020 Central District				Tournament 2020 Central District
		date 2020-02-07	rnd 1	type Standard	result 1	date 2020-02-07	rnd 2	type Standard	result 1
		Opponent Harneker, Z (Zuhayr)				Opponent Yacoob, A (Ameera)

#	Games	Start				End
1	3	Tournament WP District South 2018				Tournament WP District South 2018
		date 2018-02-01	rnd 2	type Standard	result 1	date 2018-02-01	rnd 5	type Standard	result 1
		Opponent Mentoor, M (Micah)				Opponent Hove, C (Chichi)
2	2	Tournament 2020 Central District				Tournament 2020 Central District
		date 2020-02-07	rnd 1	type Standard	result 1	date 2020-02-07	rnd 2	type Standard	result 1
		Opponent Harneker, Z (Zuhayr)				Opponent Yacoob, A (Ameera)
3	1	Tournament Central District School Trials 2023				Tournament Central District School Trials 2023
		date 2023-02-04	rnd 6	type Standard	result 1	date 2023-02-04	rnd 6	type Standard	result 1
		Opponent Clark, A (Ameer)				Opponent Clark, A (Ameer)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament WP District South 2018				Tournament WP District South 2018
		date 2018-02-01	rnd 2	type Standard	result 1	date 2018-02-01	rnd 5	type Standard	result 1
		Opponent Mentoor, M (Micah)				Opponent Hove, C (Chichi)
2	2	Tournament 2020 Central District				Tournament 2020 Central District
		date 2020-02-07	rnd 1	type Standard	result 1	date 2020-02-07	rnd 2	type Standard	result 1
		Opponent Harneker, Z (Zuhayr)				Opponent Yacoob, A (Ameera)
3	1	Tournament Central District School Trials 2023				Tournament Central District School Trials 2023
		date 2023-02-04	rnd 6	type Standard	result 1	date 2023-02-04	rnd 6	type Standard	result 1
		Opponent Clark, A (Ameer)				Opponent Clark, A (Ameer)

#	Games	Start				End
1	3	Tournament WP District South 2018				Tournament WP District South 2018
		date 2018-02-01	rnd 2	type Standard	result 1	date 2018-02-01	rnd 5	type Standard	result 1
		Opponent Mentoor, M (Micah)				Opponent Hove, C (Chichi)
2	2	Tournament 2020 Central District				Tournament 2020 Central District
		date 2020-02-07	rnd 1	type Standard	result 1	date 2020-02-07	rnd 2	type Standard	result 1
		Opponent Harneker, Z (Zuhayr)				Opponent Yacoob, A (Ameera)
3	1	Tournament Central District School Trials 2023				Tournament Central District School Trials 2023
		date 2023-02-04	rnd 6	type Standard	result 1	date 2023-02-04	rnd 6	type Standard	result 1
		Opponent Clark, A (Ameer)				Opponent Clark, A (Ameer)

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	Van Tonder ,K (Kian)	2	1	0	2	1	0	0	0	0	0	0	0
1	Van Tonder ,K (Kian)	2	1192.3	1192.3	2	1190.8	1192.3	0	0	0	0	0	0
2	Mqikela ,K (Kamvalethu)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Mqikela ,K (Kamvalethu)	2	1109.3	684.3	2	1098.8	684.3	0	0	0	0	0	0
3	Baker ,A (Alex)	1	1	425	1	1	425	0	0	0	0	0	0
3	Baker ,A (Alex)	1	1304	1729	1	1308.6	1729	0	0	0	0	0	0
4	Mlandu ,A (Azingce)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mlandu ,A (Azingce)	1	1077	1502	1	1108	1502	0	0	0	0	0	0
5	Hamdulay ,D (Dillon)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Hamdulay ,D (Dillon)	1	1414.3	989.3	1	1400.6	989.3	0	0	0	0	0	0
6	Underwood ,S (Stephen)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Underwood ,S (Stephen)	1	1275.8	850.8	1	1284.4	850.8	0	0	0	0	0	0
7	Liebenberg ,S (Skylar)	1	1	425	1	1	425	0	0	0	0	0	0
7	Liebenberg ,S (Skylar)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Jose ,I (Iverson A)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Jose ,I (Iverson A)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Marsh ,A (Aiden)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Marsh ,A (Aiden)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Mnyasta ,C (Charlton)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mnyasta ,C (Charlton)	1	1644.6	1219.6	1	1639.3	1219.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Collison, D (David)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms