Chess South Africa Ratings Database

PLAYER PAGE

Personal

Harker, C (Cassidy)

Chess SA id

108085285

FIDE id

Date of birth

2008-08-30 (U18)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-03-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1068.1	1043.1	635	635
Raw rating	1068.1	1043.1	635	635
Weighted rating	1066.7	1042	635	635
Weighted performance	717.7	715.5	0	0
Floor	793.4	781	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	200.1	207.4	370.9	370.9
Highest rating	1306.6 2020-02-01	1294 2020-02-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1293.4 2020-03-01	1281 2020-03-01	635 2024-02-01	635 2024-02-01
Highest weighted rating	1293.4 2021-06-01	1281 2021-07-01	635 2024-11-01	635 2024-11-01
Highest weighted performance	1306.6 2020-02-01	1294 2020-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1068.1	1043.1	635	635
Analysis
Rating	1068.1	1043.1	635	635
Raw rating	1068.1	1043.1	635	635
Weighted rating	1066.7	1042	635
Weighted performance	717.7	715.5	0
K-factor	36	36	40	40
Floor	793.4	781	500	500
Max/Min rating change allowed	200.1	207.4	370.9	370.9
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	1068.1	1043.1	635	635
New weighted rating	1066.7	1041.9	635	635
New weighted performance	717.3	715.1	0	0
Temp new rating	1068.1	1043.1	635	635
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1068.1	1043.1	635	635
New K-factor	36	36	40	40
New floor	793.4	781	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	10	10	0
	0	0	0
	29	29	0
	0	0	0
History	200	190	10

Games since
	Main 10	Standard 10		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Eden (WEG)
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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	146	70.5	48.29	-14.6	1094.9	1080.3
Standard	146	70.5	48.29	-14.6	1094.9	1080.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1068.1	1043.1	635	635
2025-09-01	1068.1	1043.1	635	635
2025-08-01	1068.1	1043.1	635	635
2025-07-01	1068.1	1043.1	635	635
2025-06-01	1068.1	1043.1	635	635
2025-05-01	1068.1	1043.1	635	635
2025-04-01	1068.1	1043.1	635	635
2025-03-01	1068.1	1043.1	635	635
2025-02-01	1068	1043	635	635
2025-01-01	1061.8	1037.7	635	635
2024-12-01	1061.8	1037.7	635	635
2024-11-01	1061.8	1037.7	635	635
2024-10-01	1061.8	1037.7	635	635
2024-09-01	1061.8	1037.7	635	635
2024-08-01	1061.8	1037.7	635	635
2024-07-01	1061.8	1037.7	635	635
2024-06-01	1061.8	1037.7	635	635
2024-08-01	1061.8	1037.7	635	635
2024-04-01	1061.8	1037.7	635	635
2024-03-01	1093.2	1072.6	635	635
2024-02-01	1080.4	1052.1	635	635
2024-01-01	1080.4	1052.1	635	635
2023-12-01	1080.4	1052.1	635	635
2023-11-01	1080.4	1052.1	635	635

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	George Schools Trials 3 2024 (U18 Boys)	2024-03-02	2024-03-02	Standard	Eden (WEG)	5	5	1	Yes	Analysis
2	George Schools Trials 2 2024 (U18 Boys)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	5	2	Yes	Analysis
3	George Open 2022 (B)	2022-12-03	2022-12-03	Standard	Eden (WEG)	5	5	1	Yes	Analysis
4	Eden Proewe 2 2022 (O15 Seuns)	2022-04-09	2022-04-09	Standard	Eden (WEG)	5	4	0	Yes	Analysis
5	Eden Proewe 1 2022 (O15 Seuns)	2022-03-12	2022-03-12	Standard	Eden (WEG)	5	5	2	Yes	Analysis
6	George Trials 3 2022 (U15)	2022-02-26	2022-02-26	Standard	Eden (WEG)	5	5	1	Yes	Analysis
7	George Trials 2 2022 (U15)	2022-02-12	2022-02-12	Standard	Eden (WEG)	5	5	2	Yes	Analysis
8	George Trials 1 2022 (U15)	2022-01-29	2022-01-29	Standard	Eden (WEG)	5	5	1	Yes	Analysis
9	Eden Schools Closed Trials 1 2020 (U13 Boys)	2020-03-07	2020-03-07	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
10	George Trial 3 2020 (U14)	2020-02-22	2020-02-22	Standard	Eden (WEG)	5	5	3	Yes	Analysis
11	George Trial 2 2020 (U14)	2020-02-08	2020-02-08	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
12	George Trial 1 2020 (U14)	2020-01-25	2020-01-25	Standard	Eden (WEG)	5	5	3	Yes	Analysis
13	Eden Top Schools 2019 (U11)	2019-07-20	2019-07-20	Standard	Eden (WEG)	5	5	5	Yes	Analysis
14	Eden Trials 3 2019 (U12 Open)	2019-05-11	2019-05-11	Standard	Eden (WEG)	5	5	2	Yes	Analysis
15	Western Cape Schools Individuals 2019 (U11 Boys)	2019-05-18	2019-05-19	Standard	Eden (WEG)	6	6	3	Yes	Analysis
16	Eden Trials 2 2019 (U12 Open)	2019-04-13	2019-04-13	Standard	Eden (WEG)	5	5	3	Yes	Analysis
17	Eden Trials 1 2019 (U12 Open)	2019-03-02	2019-03-02	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
18	George Trials 3 2019 (U12)	2019-02-23	2019-02-23	Standard	Eden (WEG)	5	5	4	Yes	Analysis
19	George Trials 2 2019 (U12)	2019-02-09	2019-02-09	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
20	George Trials 1 2019 (U12)	2019-01-26	2019-01-26	Standard	Eden (WEG)	5	5	3	Yes	Analysis
21	Western Cape Top Schools 2018 (U11 Mix)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
22	Eden Top Schools 2018 (U11 Mix)	2018-07-28	2018-07-28	Standard	Eden (WEG)	5	5	4	Yes	Analysis
23	EDENSC Closed 3 2018 (U12 Open)	2018-05-12	2018-05-12	Standard	Eden (WEG)	5	5	2	Yes	Analysis
24	EDENSC Closed 2 2018 (U12 Open)	2018-04-14	2018-04-14	Standard	Eden (WEG)	5	5	3	Yes	Analysis
25	EDENSC Closed 1 2018 (U12 Boys)	2018-03-10	2018-03-10	Standard	Eden (WEG)	5	4	1	Yes	Analysis
26	George Trails 3 2018 (U12)	2018-02-24	2018-02-24	Standard	Eden (WEG)	5	5	2	Yes	Analysis
27	George Trails 2 2018 (U12)	2018-02-10	2018-02-10	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
28	George Trails 1 2018 (U12)	2018-01-27	2018-01-27	Standard	Eden (WEG)	5	5	3	Yes	Analysis
29	South African Junior Team Championships 2017 (U10D)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	2	Yes	Analysis

#	Games	Start				End
1	7	Tournament Western Cape Schools Individuals 2019				Tournament George Trial 1 2020
		date 2019-05-19	rnd 6	type Standard	result 1	date 2020-01-25	rnd 1	type Standard	result 1
		Opponent Stander, Z (Zadrian)				Opponent Strydom, J (Jorinda)
2	5	Tournament George Trials 3 2019				Tournament Eden Trials 1 2019
		date 2019-02-23	rnd 3	type Standard	result 1	date 2019-03-02	rnd 2	type Standard	result 1
		Opponent Koch, M (Marshall)				Opponent Jansen, S (Shaunay)
3	4	Tournament George Trial 2 2020				Tournament George Trial 3 2020
		date 2020-02-08	rnd 3	type Standard	result 1	date 2020-02-22	rnd 1	type Standard	result 1
		Opponent Carolus, Z (Zirkquin)				Opponent Everts, S (Stantheo)

#	Games	Start				End
1	7	Tournament Western Cape Schools Individuals 2019				Tournament George Trial 1 2020
		date 2019-05-19	rnd 6	type Standard	result 1	date 2020-01-25	rnd 1	type Standard	result 1
		Opponent Stander, Z (Zadrian)				Opponent Strydom, J (Jorinda)
2	5	Tournament George Trials 3 2019				Tournament Eden Trials 1 2019
		date 2019-02-23	rnd 3	type Standard	result 1	date 2019-03-02	rnd 2	type Standard	result 1
		Opponent Koch, M (Marshall)				Opponent Jansen, S (Shaunay)
3	4	Tournament George Trial 2 2020				Tournament George Trial 3 2020
		date 2020-02-08	rnd 3	type Standard	result 1	date 2020-02-22	rnd 1	type Standard	result 1
		Opponent Carolus, Z (Zirkquin)				Opponent Everts, S (Stantheo)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament Western Cape Schools Individuals 2019				Tournament George Trial 1 2020
		date 2019-05-19	rnd 6	type Standard	result 1	date 2020-01-25	rnd 1	type Standard	result 1
		Opponent Stander, Z (Zadrian)				Opponent Strydom, J (Jorinda)
2	5	Tournament George Trials 3 2019				Tournament Eden Trials 1 2019
		date 2019-02-23	rnd 3	type Standard	result 1	date 2019-03-02	rnd 2	type Standard	result 1
		Opponent Koch, M (Marshall)				Opponent Jansen, S (Shaunay)
3	4	Tournament Eden Top Schools 2018				Tournament Eden Top Schools 2018
		date 2018-07-28	rnd 2	type Standard	result 1	date 2018-07-28	rnd 5	type Standard	result 1
		Opponent Petersen, S (Shenwin)				Opponent Joseph, K (Kaylin)

#	Games	Start				End
1	7	Tournament Western Cape Schools Individuals 2019				Tournament George Trial 1 2020
		date 2019-05-19	rnd 6	type Standard	result 1	date 2020-01-25	rnd 1	type Standard	result 1
		Opponent Stander, Z (Zadrian)				Opponent Strydom, J (Jorinda)
2	5	Tournament George Trials 3 2019				Tournament Eden Trials 1 2019
		date 2019-02-23	rnd 3	type Standard	result 1	date 2019-03-02	rnd 2	type Standard	result 1
		Opponent Koch, M (Marshall)				Opponent Jansen, S (Shaunay)
3	4	Tournament Eden Top Schools 2018				Tournament Eden Top Schools 2018
		date 2018-07-28	rnd 2	type Standard	result 1	date 2018-07-28	rnd 5	type Standard	result 1
		Opponent Petersen, S (Shenwin)				Opponent Joseph, K (Kaylin)

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	Du Plessis ,A (Arno)	6	0	-425	6	0	-425	0	0	0	0	0	0
1	Du Plessis ,A (Arno)	6	1443.6	1018.6	6	1428.7	1018.6	0	0	0	0	0	0
2	Meyer ,M (Marsouw)	5	2.5	0	5	2.5	0	0	0	0	0	0	0
2	Meyer ,M (Marsouw)	5	1105.1	1105.1	5	1103.1	1105.1	0	0	0	0	0	0
3	Michaels ,E (Enrico)	3	0	-425	3	0	-425	0	0	0	0	0	0
3	Michaels ,E (Enrico)	3	992	567	3	988.6	567	0	0	0	0	0	0
4	Ehlers ,R (Ruben)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
4	Ehlers ,R (Ruben)	3	1176.1	892.8	3	1172	892.8	0	0	0	0	0	0
5	Joubert ,D (Divan)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
5	Joubert ,D (Divan)	3	1221	1079.3	3	1224.5	1079.3	0	0	0	0	0	0
6	Rossouw ,L (Liam)	3	0	-425	3	0	-425	0	0	0	0	0	0
6	Rossouw ,L (Liam)	3	1256.2	831.2	3	1251.6	831.2	0	0	0	0	0	0
7	Bezuidenhout ,J (Jacques)	3	3	425	3	3	425	0	0	0	0	0	0
7	Bezuidenhout ,J (Jacques)	3	952	1377	3	944	1377	0	0	0	0	0	0
8	Heesen ,T (Tyler)	3	0	-425	3	0	-425	0	0	0	0	0	0
8	Heesen ,T (Tyler)	3	1212	787	3	1213.1	787	0	0	0	0	0	0
9	Jansen ,G (Gabriella)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Jansen ,G (Gabriella)	2	966.6	541.6	2	977.4	541.6	0	0	0	0	0	0
10	Kannemeyer ,K (Kyle)	2	1	0	2	1	0	0	0	0	0	0	0
10	Kannemeyer ,K (Kyle)	2	1009.2	1009.2	2	977.6	1009.2	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

Harker, C (Cassidy)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms