Chess South Africa Ratings Database

PLAYER PAGE

Personal

Cass, W (William)

Chess SA id

1130145646

FIDE id

Date of birth

2013-10-01 (U14)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1124.6	1112.5	1164.8	1200
Raw rating	1124.6	1112.5	1164.8	1200
Weighted rating	1121.2	1108.3	1163.8	1200
Weighted performance	929.1	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	184.6	187.8	174.3	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2020-01-01	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1124.6	1112.5	1164.8	1200
Analysis
Rating	1124.6	1112.5	1164.8	1200
Raw rating	1124.6	1112.5	1164.8	1200
Weighted rating	1121.2	1108.3	1163.8
Weighted performance	929.1	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	184.6	187.8	174.3	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	1124.6	1112.5	1164.8	1200
New weighted rating	1122	1108.8	1164.3	1200
New weighted performance	922.5	0	0	0
Temp new rating	1124.6	1112.5	1164.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1124.6	1112.5	1164.8	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	6	6	0
	10	5	5
	16	5	11
	5	0	5
	0	0	0
History	37	16	21

Games since
	Main 16	Standard 11		Rapid 5		Blitz 0
Gender	Male
Age group	U14
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	2.5	41.67	-70.8	1219.5	1148.7
Standard	6	2.5	41.67	-70.8	1219.5	1148.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	37	12.5	33.78	-137.8	1212	1074.1
Standard	16	4.5	28.12	-185.9	1216.4	1030.4
Rapid	21	8	38.1	-101.2	1208.6	1107.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1124.6	1112.5	1164.8	1200
2025-09-30	1124.6	1112.5	1164.8	1200
2025-09-01	1124.6	1112.5	1164.8	1200
2025-08-01	1124.6	1112.5	1164.8	1200
2025-07-01	1124.6	1112.5	1164.8	1200
2025-06-01	1124.6	1112.5	1164.8	1200
2025-05-01	1124.6	1112.5	1164.8	1200
2025-04-01	1124.6	1112.5	1164.8	1200
2025-03-01	1124.6	1112.5	1164.8	1200
2025-02-01	1118.5	1102	1164.8	1200
2025-01-01	1118.5	1102	1164.8	1200
2024-12-01	1118.5	1102	1164.8	1200
2024-11-01	1118.5	1102	1164.8	1200
2024-10-01	1118.5	1102	1164.8	1200
2024-09-01	1118.5	1102	1164.8	1200
2024-08-01	1118.5	1102	1164.8	1200
2024-07-01	1118.5	1102	1164.8	1200
2024-09-01	1118.5	1102	1164.8	1200
2024-05-01	1118.5	1102	1164.8	1200
2024-04-01	1118.5	1102	1164.8	1200
2024-03-01	1118.5	1102	1164.8	1200
2024-02-01	1070.9	1101.6	1113.6	1200
2024-01-01	1070.9	1101.6	1113.6	1200
2023-12-01	1070.9	1101.6	1113.6	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	CT Metro District East Schools Chess Individuals Trials 2025 (U13 Boys)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	CT Metro District East Schools Chess Individuals Trials 2025 (U13 Boys)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
2	Mary-Anne Bartels Closed Chess Tournament 2024 (U11 Mixed)	2024-02-24	2024-02-24	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis
3	CT District East Schools Chess Individuals Trails 2024 (U11 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
4	Stellenbosch Primary Chess Tournament 2023 (U12)	2023-08-19	2023-08-19	Rapid	Cape Winelands (WCW)	6	6	2	Yes	Analysis
5	Mary-Anne Bartels Chess Tournament 2023 (U11)	2023-02-21	2023-02-21	Rapid	Cape Town (WCT)	5	5	1	Yes	Analysis
6	District East Schools Chess Individual Trials 2023 (U11 Boys)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	5	0	Yes	Analysis
7	Stellenbosch Primary 2022 (U9)	2022-08-13	2022-08-13	Rapid	Cape Winelands (WCW)	6	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Mary-Anne Bartels Closed Chess Tournament 2024				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2024-02-24	rnd 5	type Rapid	result 1	date 2025-02-01	rnd 1	type Standard	result 0.5
		Opponent Guyo, V (Victor)				Opponent Kotze, L (Lian)
2	2	Tournament Mary-Anne Bartels Closed Chess Tournament 2024				Tournament Mary-Anne Bartels Closed Chess Tournament 2024
		date 2024-02-24	rnd 2	type Rapid	result 1	date 2024-02-24	rnd 3	type Rapid	result 1
		Opponent Du Preez, F (Francois)				Opponent Du Plessis, A (Adriaan Rastus)
3	2	Tournament Stellenbosch Primary Chess Tournament 2023				Tournament Stellenbosch Primary Chess Tournament 2023
		date 2023-08-19	rnd 3	type Rapid	result 1	date 2023-08-19	rnd 4	type Rapid	result 1
		Opponent Adams, K (Keira)				Opponent Lombard, K (Katy-Anne)

#	Games	Start				End
1	1	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-02	rnd 5	type Standard	result 1	date 2025-02-02	rnd 5	type Standard	result 1
		Opponent Ellis, D (Dante)				Opponent Ellis, D (Dante)
2	1	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-02-01	rnd 3	type Standard	result 1
		Opponent Swanepoel, A (Armand)				Opponent Swanepoel, A (Armand)
3	1	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-01	rnd 1	type Standard	result 0.5	date 2025-02-01	rnd 1	type Standard	result 0.5
		Opponent Kotze, L (Lian)				Opponent Kotze, L (Lian)

#	Games	Start				End
1	2	Tournament Mary-Anne Bartels Closed Chess Tournament 2024				Tournament Mary-Anne Bartels Closed Chess Tournament 2024
		date 2024-02-24	rnd 2	type Rapid	result 1	date 2024-02-24	rnd 3	type Rapid	result 1
		Opponent Du Preez, F (Francois)				Opponent Du Plessis, A (Adriaan Rastus)
2	2	Tournament Stellenbosch Primary Chess Tournament 2023				Tournament Stellenbosch Primary Chess Tournament 2023
		date 2023-08-19	rnd 3	type Rapid	result 1	date 2023-08-19	rnd 4	type Rapid	result 1
		Opponent Adams, K (Keira)				Opponent Lombard, K (Katy-Anne)
3	2	Tournament Stellenbosch Primary 2022				Tournament Mary-Anne Bartels Chess Tournament 2023
		date 2022-08-13	rnd 6	type Rapid	result 1	date 2023-02-21	rnd 1	type Rapid	result 1
		Opponent Burn, C (Caleb)				Opponent Twangu, L (Lelona)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Mary-Anne Bartels Closed Chess Tournament 2024				Tournament Mary-Anne Bartels Closed Chess Tournament 2024
		date 2024-02-24	rnd 2	type Rapid	result 1	date 2024-02-24	rnd 3	type Rapid	result 1
		Opponent Du Preez, F (Francois)				Opponent Du Plessis, A (Adriaan Rastus)
2	2	Tournament Stellenbosch Primary Chess Tournament 2023				Tournament Stellenbosch Primary Chess Tournament 2023
		date 2023-08-19	rnd 3	type Rapid	result 1	date 2023-08-19	rnd 4	type Rapid	result 1
		Opponent Adams, K (Keira)				Opponent Lombard, K (Katy-Anne)
3	1	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-02	rnd 5	type Standard	result 1	date 2025-02-02	rnd 5	type Standard	result 1
		Opponent Ellis, D (Dante)				Opponent Ellis, D (Dante)

#	Games	Start				End
1	1	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-02	rnd 5	type Standard	result 1	date 2025-02-02	rnd 5	type Standard	result 1
		Opponent Ellis, D (Dante)				Opponent Ellis, D (Dante)
2	1	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-02-01	rnd 3	type Standard	result 1
		Opponent Swanepoel, A (Armand)				Opponent Swanepoel, A (Armand)
3	1	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament CT District East Schools Chess Individuals Trails 2024
		date 2024-02-03	rnd 4	type Standard	result 1	date 2024-02-03	rnd 4	type Standard	result 1
		Opponent Janse Van Rensburg, M (Michael)				Opponent Janse Van Rensburg, M (Michael)

#	Games	Start				End
1	2	Tournament Mary-Anne Bartels Closed Chess Tournament 2024				Tournament Mary-Anne Bartels Closed Chess Tournament 2024
		date 2024-02-24	rnd 2	type Rapid	result 1	date 2024-02-24	rnd 3	type Rapid	result 1
		Opponent Du Preez, F (Francois)				Opponent Du Plessis, A (Adriaan Rastus)
2	2	Tournament Stellenbosch Primary Chess Tournament 2023				Tournament Stellenbosch Primary Chess Tournament 2023
		date 2023-08-19	rnd 3	type Rapid	result 1	date 2023-08-19	rnd 4	type Rapid	result 1
		Opponent Adams, K (Keira)				Opponent Lombard, K (Katy-Anne)
3	2	Tournament Stellenbosch Primary 2022				Tournament Mary-Anne Bartels Chess Tournament 2023
		date 2022-08-13	rnd 6	type Rapid	result 1	date 2023-02-21	rnd 1	type Rapid	result 1
		Opponent Burn, C (Caleb)				Opponent Twangu, L (Lelona)

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	Makumbe ,P (Perfect)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Makumbe ,P (Perfect)	2	1232.9	807.9	2	1198.6	807.9	0	0	0	0	0	0
2	Janse Van Rensburg ,T (Tj)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Janse Van Rensburg ,T (Tj)	2	1197.3	772.3	1	1200	772.3	1	1219.7	772.3	0	0	0
3	Kotze ,L (Lian)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Kotze ,L (Lian)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
4	Tesselaar ,M (Mc)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Tesselaar ,M (Mc)	1	1190.1	765.1	1	1200	765.1	0	0	0	0	0	0
5	Badiali ,A (Alonso)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Badiali ,A (Alonso)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Ellis ,D (Dante)	1	1	425	1	1	425	0	0	0	0	0	0
6	Ellis ,D (Dante)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Janse Van Rensburg ,M (Michael)	1	1	425	1	1	425	0	0	0	0	0	0
7	Janse Van Rensburg ,M (Michael)	1	1238.1	1663.1	1	1200	1663.1	0	0	0	0	0	0
8	Swanepoel ,A (Armand)	1	1	425	1	1	425	0	0	0	0	0	0
8	Swanepoel ,A (Armand)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Africa ,C (Caleb)	1	1	425	1	1	425	0	0	0	0	0	0
9	Africa ,C (Caleb)	1	1193.5	1618.5	1	1200	1618.5	0	0	0	0	0	0
10	Du Preez ,F (Francois)	1	1	425	0	0	0	1	1	425	0	0	0
10	Du Preez ,F (Francois)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Cass, W (William)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms