Chess South Africa Ratings Database

PLAYER PAGE

Personal

Strydom, J (Joshua)

Chess SA id

109085300

FIDE id

Date of birth

2009-10-15 (U18)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1133.5	1130.3	500	500
Raw rating	1133.5	1130.3	500	500
Weighted rating	1132.2	1128.7	500	500
Weighted performance	611.4	615.3	0	0
Floor	645.5	645	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	182.3	183.1	449.5	449.5
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1145.5 2024-02-01	1145 2024-02-01	500 2024-02-01	500 2024-02-01
Highest weighted rating	1145.5 2024-11-01	1145 2024-11-01	500 2024-11-01	500 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	1133.5	1130.3	500	500
Analysis
Rating	1133.5	1130.3	500	500
Raw rating	1133.5	1130.3	500	500
Weighted rating	1132.2	1128.7	500
Weighted performance	611.4	615.3	0
K-factor	40	40	40	40
Floor	645.5	645	500	500
Max/Min rating change allowed	182.3	183.1	449.5	449.5
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	1133.5	1130.3	500	500
New weighted rating	1132.1	1128.5	500	500
New weighted performance	604.6	608.6	0	0
Temp new rating	1133.5	1130.3	500	500
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1133.5	1130.3	500	500
New K-factor	40	40	40	40
New floor	645.5	645	500	500

Item	Main	Standard	Rapid
	0	0	0
	5	5	0
	2	2	0
	0	0	0
	4	4	0
	0	0	0
History	58	53	5

Games since
	Main 7	Standard 7		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	5	1	20	-255	1195.9	940.9
Standard	5	1	20	-255	1195.9	940.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	44	18.5	42.05	-67.6	1144.8	1077.2
Standard	44	18.5	42.05	-67.6	1144.8	1077.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1133.5	1130.3	500	500
2025-09-30	1133.5	1130.3	500	500
2025-09-01	1133.5	1130.3	500	500
2025-08-01	1133.5	1130.3	500	500
2025-07-01	1133.5	1130.3	500	500
2025-06-01	1133.5	1130.3	500	500
2025-05-01	1133.5	1130.3	500	500
2025-04-01	1131.4	1128	500	500
2025-03-01	1134.6	1131.5	500	500
2025-02-01	1133.8	1130.6	500	500
2025-01-01	1118.3	1111.4	500	500
2024-12-01	1118.3	1111.4	500	500
2024-11-01	1118.3	1111.4	500	500
2024-10-01	1118.3	1111.4	500	500
2024-09-01	1118.3	1111.4	500	500
2024-08-01	1145.5	1145	500	500
2024-07-01	1145.5	1145	500	500
2024-09-01	1145.5	1145	500	500
2024-05-01	1145.5	1145	500	500
2024-04-01	1145.5	1145	500	500
2024-03-01	1145.5	1145	500	500
2024-02-01	1145.5	1145	500	500
2024-01-01	1145.5	1145	500	500
2023-12-01	1145.5	1145	500	500

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	Mangaung Metro Chess 7-8 March 2025 (C)	2025-03-07	2025-03-08	Standard	Mangaung (FMB)	5	5	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Mangaung Metro Chess 7-8 March 2025 (C)	2025-03-07	2025-03-08	Standard	Mangaung (FMB)	5	5	1	Yes	Analysis
2	Mangaung Metro Chess 16-17 August 2024 (B)	2024-08-16	2024-08-17	Standard	Mangaung (FMB)	5	2	0	Yes	Analysis
3	Knysna School Trials 2022 (U13-U18)	2022-02-26	2022-02-26	Standard	Eden (WEG)	5	4	2.5	Yes	Analysis
4	Knysna School Trials Round 2 2020 (Juniors)	2020-02-22	2020-02-22	Standard	Eden (WEG)	5	5	4	Yes	Analysis
5	Knysna School Trials #1 2020	2020-01-25	2020-01-25	Standard	Eden (WEG)	5	5	2	Yes	Analysis
6	Eden Top Schools 2019 (U11)	2019-07-20	2019-07-20	Standard	Eden (WEG)	5	4	1	Yes	Analysis
7	Eden Trials 3 2019 (U12 Open)	2019-05-11	2019-05-11	Standard	Eden (WEG)	5	4	1	Yes	Analysis
8	Knysna School Trials #2 2019	2019-02-16	2019-02-16	Standard	Eden (WEG)	5	5	3	Yes	Analysis
9	Knysna School Trials #1 2019	2019-02-02	2019-02-02	Standard	Eden (WEG)	5	5	2	Yes	Analysis
10	Knysna Junior Chess Trials #1 2018	2018-02-10	2018-02-10	Standard	Eden (WEG)	5	5	2	Yes	Analysis

#	Games	Start				End
1	6	Tournament Knysna School Trials Round 2 2020				Tournament Knysna School Trials 2022
		date 2020-02-22	rnd 3	type Standard	result 1	date 2022-02-26	rnd 3	type Standard	result 1
		Opponent Visagie, T (Theo)				Opponent Talmaggies, L (Liron)
2	3	Tournament Knysna School Trials #1 2020				Tournament Knysna School Trials #1 2020
		date 2020-01-25	rnd 2	type Standard	result 1	date 2020-01-25	rnd 4	type Standard	result 0.5
		Opponent Mey, A (Andre)				Opponent Vermeulen, K (Kyle)
3	2	Tournament Knysna School Trials #2 2019				Tournament Knysna School Trials #2 2019
		date 2019-02-16	rnd 4	type Standard	result 1	date 2019-02-16	rnd 5	type Standard	result 1
		Opponent Van Lill, J (Jandre)				Opponent Burger, O (Olivia)

#	Games	Start				End
1	6	Tournament Knysna School Trials Round 2 2020				Tournament Knysna School Trials 2022
		date 2020-02-22	rnd 3	type Standard	result 1	date 2022-02-26	rnd 3	type Standard	result 1
		Opponent Visagie, T (Theo)				Opponent Talmaggies, L (Liron)
2	3	Tournament Knysna School Trials #1 2020				Tournament Knysna School Trials #1 2020
		date 2020-01-25	rnd 2	type Standard	result 1	date 2020-01-25	rnd 4	type Standard	result 0.5
		Opponent Mey, A (Andre)				Opponent Vermeulen, K (Kyle)
3	2	Tournament Knysna School Trials #2 2019				Tournament Knysna School Trials #2 2019
		date 2019-02-16	rnd 4	type Standard	result 1	date 2019-02-16	rnd 5	type Standard	result 1
		Opponent Van Lill, J (Jandre)				Opponent Burger, O (Olivia)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Knysna School Trials Round 2 2020				Tournament Knysna School Trials 2022
		date 2020-02-22	rnd 3	type Standard	result 1	date 2022-02-26	rnd 1	type Standard	result 1
		Opponent Visagie, T (Theo)				Opponent Mpongoshe, K (Khungenthando)
2	2	Tournament Knysna School Trials #2 2019				Tournament Knysna School Trials #2 2019
		date 2019-02-16	rnd 4	type Standard	result 1	date 2019-02-16	rnd 5	type Standard	result 1
		Opponent Van Lill, J (Jandre)				Opponent Burger, O (Olivia)
3	2	Tournament Knysna School Trials #1 2019				Tournament Knysna School Trials #1 2019
		date 2019-02-02	rnd 3	type Standard	result 1	date 2019-02-02	rnd 4	type Standard	result 1
		Opponent Becker, K (Kayla)				Opponent Rossouw, M (Mia)

#	Games	Start				End
1	4	Tournament Knysna School Trials Round 2 2020				Tournament Knysna School Trials 2022
		date 2020-02-22	rnd 3	type Standard	result 1	date 2022-02-26	rnd 1	type Standard	result 1
		Opponent Visagie, T (Theo)				Opponent Mpongoshe, K (Khungenthando)
2	2	Tournament Knysna School Trials #2 2019				Tournament Knysna School Trials #2 2019
		date 2019-02-16	rnd 4	type Standard	result 1	date 2019-02-16	rnd 5	type Standard	result 1
		Opponent Van Lill, J (Jandre)				Opponent Burger, O (Olivia)
3	2	Tournament Knysna School Trials #1 2019				Tournament Knysna School Trials #1 2019
		date 2019-02-02	rnd 3	type Standard	result 1	date 2019-02-02	rnd 4	type Standard	result 1
		Opponent Becker, K (Kayla)				Opponent Rossouw, M (Mia)

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	Talmaggies ,L (Liron)	2	1	0	2	1	0	0	0	0	0	0	0
1	Talmaggies ,L (Liron)	2	1085.9	1085.9	2	1066.7	1085.9	0	0	0	0	0	0
2	Mpongoshe ,K (Khungenthando)	1	1	425	1	1	425	0	0	0	0	0	0
2	Mpongoshe ,K (Khungenthando)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Tasiya ,T (Tinashe)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Tasiya ,T (Tinashe)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	George ,J (Jamie-Lee)	1	1	425	1	1	425	0	0	0	0	0	0
4	George ,J (Jamie-Lee)	1	1174.9	1599.9	1	1175.2	1599.9	0	0	0	0	0	0
5	Gandhi ,E (Eleesh)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Gandhi ,E (Eleesh)	1	1091.7	666.7	1	1042.9	666.7	0	0	0	0	0	0
6	Kruger ,A (Abraham Jacobus)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Kruger ,A (Abraham Jacobus)	1	1198.4	773.4	1	1198.4	773.4	0	0	0	0	0	0
7	Visagie ,T (Theo)	1	1	425	1	1	425	0	0	0	0	0	0
7	Visagie ,T (Theo)	1	1197.7	1622.7	1	1194.8	1622.7	0	0	0	0	0	0
8	Greeff ,D (Danyial)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Greeff ,D (Danyial)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
9	Van Tonder ,M (Monique)	1	1	425	1	1	425	0	0	0	0	0	0
9	Van Tonder ,M (Monique)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Swart ,C (Calvin)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Swart ,C (Calvin)	1	783.8	358.8	1	783.8	358.8	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

Strydom, J (Joshua)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms