Chess South Africa Ratings Database

PLAYER PAGE

Personal

Cookson, J (Jaydon)

Chess SA id

100091545

FIDE id

Date of birth

2000-12-15 (Adult)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-04-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1422.5	1389.3	1192	1006
Raw rating	1422.5	1389.3	1192	1006
Weighted rating	1422.5	1389.3	1191.6	1006
Weighted performance	800.5	618.9	0	0
Floor	922.5	889.3	692	506
K-factor	32	36	40	40
Min/Max rating change allowed	120.8	126.6	167.7	218.6
Highest rating	1422.5 2024-03-01	1413.7 2019-08-01	1547.4 2023-04-01	1200 2024-03-01
Highest raw rating	1422.5 2024-03-01	1389.3 2024-03-01	1192 2024-03-01	1006 2024-03-01
Highest weighted rating	1422.5 2025-03-01	1389.3 2025-02-01	1192 2024-11-01	1006 2024-11-01
Highest weighted performance	1415.1 2019-08-01	1413.7 2019-08-01	1547.4 2023-04-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1422.5	1389.3	1192	1006
Analysis
Rating	1422.5	1389.3	1192	1006
Raw rating	1422.5	1389.3	1192	1006
Weighted rating	1422.5	1389.3	1191.6
Weighted performance	800.5	618.9	0
K-factor	32	36	40	40
Floor	922.5	889.3	692	506
Max/Min rating change allowed	120.8	126.6	167.7	218.6
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	1422.5	1389.3	1192	1006
New weighted rating	1422.5	1389.3	1191.9	1006
New weighted performance	800	618.4	0	0
Temp new rating	1422.5	1389.3	1192	1006
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1422.5	1389.3	1192	1006
New K-factor	32	36	40	40
New floor	922.5	889.3	692	506

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	6	0	6
	5	5	0
	10	10	0
History	112	101	11

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	66	46	69.7	167.4	1187.4	1354.8
Standard	60	41	68.33	155.8	1170.6	1326.5
Rapid	6	5	83.33	283.3	1354.8	1638.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1422.5	1389.3	1192	1006
2025-09-01	1422.5	1389.3	1192	1006
2025-08-01	1422.5	1389.3	1192	1006
2025-07-01	1422.5	1389.3	1192	1006
2025-06-01	1422.5	1389.3	1192	1006
2025-05-01	1422.5	1389.3	1192	1006
2025-04-01	1422.5	1389.3	1192	1006
2025-03-01	1422.5	1389.3	1192	1006
2025-02-01	1422.5	1389.3	1192	1006
2025-01-01	1422.5	1389.3	1192	1006
2024-12-01	1422.5	1389.3	1192	1006
2024-11-01	1422.5	1389.3	1192	1006
2024-10-01	1422.5	1389.3	1192	1006
2024-09-01	1422.5	1389.3	1192	1006
2024-08-01	1422.5	1389.3	1192	1006
2024-07-01	1422.5	1389.3	1192	1006
2024-06-01	1422.5	1389.3	1192	1006
2024-08-01	1422.5	1389.3	1192	1006
2024-04-01	1422.5	1389.3	1192	1006
2024-03-01	1422.5	1389.3	1192	1006
2024-02-01	1422.5	1389.3	1192	1006
2024-01-01	1422.5	1389.3	1192	1006
2023-12-01	1422.5	1389.3	1155.2	1006
2023-11-01	1422.5	1389.3	1155.2	1006

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	Overberg Open Rapid 2024 (Open)	2024-01-27	2024-01-27	Rapid	Overberg (WOS)	5	0	0	No	Analysis
2	Hermanus Rapid 2023 (B)	2023-04-22	2023-04-22	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis
3	Western Cape Inter Region Cup 2021 (Senior)	2022-03-04	2022-03-06	Standard	West Coast (WCU)	5	5	2	Yes	Analysis
4	OCF Club Champs 2021 (Seniors)	2021-06-05	2021-08-14	Standard	Overberg (WOS)	10	10	7.5	Yes	Analysis
5	OCF Roadshow 2020 (Seniors)	2020-11-21	2020-11-21	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
6	Bontebok 2019 (U18+Open)	2019-08-17	2019-08-17	Standard	Overberg (WOS)	5	5	4.5	Yes	Analysis
7	Overberg Top Schools 2019 (U18)	2019-07-20	2019-07-20	Standard	Overberg (WOS)	3	3	2	Yes	Analysis
8	Overberg Club Champs 2019 (A)	2019-06-15	2019-06-15	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
9	Western Cape Schools Individuals 2019 (U20 Boys+Girls)	2019-05-04	2019-05-05	Standard	Eden (WEG)	6	6	6	Yes	Analysis
10	Overberg School Chess Close Champs 2019 (U18 Boys)	2019-03-08	2019-03-09	Standard	Overberg (WOS)	6	6	3.5	Yes	Analysis
11	Western Cape Top Schools 2018 (U19 Mix)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	5	2.5	Yes	Analysis
12	Overberg 2nd Trial 2018 (Open)	2018-05-05	2018-05-05	Standard	Overberg (WOS)	5	4	1	Yes	Analysis
13	Western Cape Schools Individuals 2018 (U18 Boys)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	0	0	No	Analysis
14	Overberg Schools Closed 2018 (U18 Boys)	2018-03-23	2018-03-23	Standard	Overberg (WOS)	6	6	5	Yes	Analysis

#	Games	Start				End
1	9	Tournament OCF Roadshow 2020				Tournament OCF Club Champs 2021
		date 2020-11-21	rnd 4	type Standard	result 1	date 2021-08-14	rnd 7	type Standard	result 1
		Opponent Herandien, J (Junier)				Opponent Nomlomo, N (Ndzondelelo)
2	9	Tournament Overberg Top Schools 2019				Tournament OCF Roadshow 2020
		date 2019-07-20	rnd 2	type Standard	result 1	date 2020-11-21	rnd 2	type Standard	result 0.5
		Opponent Mfundisi, I (Inga)				Opponent Kleinhans, J (Jason)
3	8	Tournament Overberg School Chess Close Champs 2019				Tournament Overberg Club Champs 2019
		date 2019-03-08	rnd 6	type Standard	result 1	date 2019-06-15	rnd 1	type Standard	result 1
		Opponent Murtz, E (Etienne)				Opponent Wynand, P (Phillip)

#	Games	Start				End
1	9	Tournament OCF Roadshow 2020				Tournament OCF Club Champs 2021
		date 2020-11-21	rnd 4	type Standard	result 1	date 2021-08-14	rnd 7	type Standard	result 1
		Opponent Herandien, J (Junier)				Opponent Nomlomo, N (Ndzondelelo)
2	9	Tournament Overberg Top Schools 2019				Tournament OCF Roadshow 2020
		date 2019-07-20	rnd 2	type Standard	result 1	date 2020-11-21	rnd 2	type Standard	result 0.5
		Opponent Mfundisi, I (Inga)				Opponent Kleinhans, J (Jason)
3	8	Tournament Overberg School Chess Close Champs 2019				Tournament Overberg Club Champs 2019
		date 2019-03-08	rnd 6	type Standard	result 1	date 2019-06-15	rnd 1	type Standard	result 1
		Opponent Murtz, E (Etienne)				Opponent Wynand, P (Phillip)

#	Games	Start				End
1	3	Tournament Hermanus Rapid 2023				Tournament Hermanus Rapid 2023
		date 2023-04-22	rnd 1	type Rapid	result 1	date 2023-04-22	rnd 3	type Rapid	result 1
		Opponent Badenhorst, A (Allen)				Opponent Arends, EJ (Earl)
2	2	Tournament Hermanus Rapid 2023				Tournament Hermanus Rapid 2023
		date 2023-04-22	rnd 5	type Rapid	result 1	date 2023-04-22	rnd 6	type Rapid	result 1
		Opponent Weideman, J (Janko)				Opponent Dlamini, N (Njabulo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament Overberg School Chess Close Champs 2019				Tournament Overberg Club Champs 2019
		date 2019-03-08	rnd 6	type Standard	result 1	date 2019-06-15	rnd 1	type Standard	result 1
		Opponent Murtz, E (Etienne)				Opponent Wynand, P (Phillip)
2	6	Tournament Overberg Top Schools 2019				Tournament Bontebok 2019
		date 2019-07-20	rnd 2	type Standard	result 1	date 2019-08-17	rnd 4	type Standard	result 1
		Opponent Mfundisi, I (Inga)				Opponent Brown, M (Marvin)
3	4	Tournament OCF Club Champs 2021				Tournament OCF Club Champs 2021
		date 2021-06-05	rnd 1	type Standard	result 1	date 2021-06-05	rnd 4	type Standard	result 1
		Opponent Wynand, P (Phillip)				Opponent Arends, EJ (Earl)

#	Games	Start				End
1	8	Tournament Overberg School Chess Close Champs 2019				Tournament Overberg Club Champs 2019
		date 2019-03-08	rnd 6	type Standard	result 1	date 2019-06-15	rnd 1	type Standard	result 1
		Opponent Murtz, E (Etienne)				Opponent Wynand, P (Phillip)
2	6	Tournament Overberg Top Schools 2019				Tournament Bontebok 2019
		date 2019-07-20	rnd 2	type Standard	result 1	date 2019-08-17	rnd 4	type Standard	result 1
		Opponent Mfundisi, I (Inga)				Opponent Brown, M (Marvin)
3	4	Tournament OCF Club Champs 2021				Tournament OCF Club Champs 2021
		date 2021-06-05	rnd 1	type Standard	result 1	date 2021-06-05	rnd 4	type Standard	result 1
		Opponent Wynand, P (Phillip)				Opponent Arends, EJ (Earl)

#	Games	Start				End
1	3	Tournament Hermanus Rapid 2023				Tournament Hermanus Rapid 2023
		date 2023-04-22	rnd 1	type Rapid	result 1	date 2023-04-22	rnd 3	type Rapid	result 1
		Opponent Badenhorst, A (Allen)				Opponent Arends, EJ (Earl)
2	2	Tournament Hermanus Rapid 2023				Tournament Hermanus Rapid 2023
		date 2023-04-22	rnd 5	type Rapid	result 1	date 2023-04-22	rnd 6	type Rapid	result 1
		Opponent Weideman, J (Janko)				Opponent Dlamini, N (Njabulo)

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	Windvogel ,M (Monray)	4	1.5	-106.2	4	1.5	-106.2	0	0	0	0	0	0
1	Windvogel ,M (Monray)	4	1205.9	1099.7	4	1209.3	1099.7	0	0	0	0	0	0
2	Nomlomo ,N (Ndzondelelo)	3	3	425	3	3	425	0	0	0	0	0	0
2	Nomlomo ,N (Ndzondelelo)	3	769.1	1194.1	3	788.1	1194.1	0	0	0	0	0	0
3	Arends ,EJ (Earl Jarred)	3	2	141.7	2	1	0	1	1	425	0	0	0
3	Arends ,EJ (Earl Jarred)	3	1184.8	1326.5	2	1172.8	1184.8	1	1166.8	1609.8	0	0	0
4	Wynand ,P (Phillip)	2	2	425	2	2	425	0	0	0	0	0	0
4	Wynand ,P (Phillip)	2	603.9	1028.9	2	624.8	1028.9	0	0	0	0	0	0
5	Matthysen ,M (Monwill)	2	1	0	2	1	0	0	0	0	0	0	0
5	Matthysen ,M (Monwill)	2	938.9	938.9	2	940.9	938.9	0	0	0	0	0	0
6	Fortuin ,J (Jemaine)	2	1	0	2	1	0	0	0	0	0	0	0
6	Fortuin ,J (Jemaine)	2	1232.1	1232.1	2	1222.8	1232.1	0	0	0	0	0	0
7	Van Der Merwe ,RH (Riaan Heinrich)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Van Der Merwe ,RH (Riaan Heinrich)	1	1216.3	791.3	1	1219.6	791.3	0	0	0	0	0	0
8	Snyders ,M (Mika)	1	1	425	1	1	425	0	0	0	0	0	0
8	Snyders ,M (Mika)	1	808.8	1233.8	1	808.8	1233.8	0	0	0	0	0	0
9	Thompson ,A (Abri)	1	1	425	1	1	425	0	0	0	0	0	0
9	Thompson ,A (Abri)	1	1082	1507	1	1090.8	1507	0	0	0	0	0	0
10	Witbooi ,R (Rudolf)	1	1	425	1	1	425	0	0	0	0	0	0
10	Witbooi ,R (Rudolf)	1	1171.1	1596.1	1	1168.2	1596.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Cookson, J (Jaydon)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms