Chess South Africa Ratings Database

PLAYER PAGE

Personal

Strydom, R (Retha)

Chess SA id

2750146534

FIDE id

Date of birth

1975-03-16 (Adult)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1267.2	1233.1	1317.7	1300
Raw rating	1267.2	1233.1	1316.4	1300
Weighted rating	1251.4	1220.7	1317.7	1299.7
Weighted performance	1137.3	0	0	0
Floor	767.3	749.6	834.6	800
K-factor	36	36	36	36
Min/Max rating change allowed	150.7	158.2	140.5	143.8
Highest rating	1319.3 2022-09-01	1300.9 2022-09-01	1416.3 2024-11-01	1300 2024-03-01
Highest raw rating	1267.3 2025-04-01	1249.6 2022-10-01	1334.6 2024-11-01	1300 2024-03-01
Highest weighted rating	1242.2 2025-08-01	1249.6 2022-10-01	1313.7 2025-08-01	1296.7 2025-08-01
Highest weighted performance	1319.3 2022-09-01	1300.9 2022-09-01	1416.3 2024-11-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0.6	0
New rating	1267.2	1233.1	1318.3	1300
Analysis
Rating	1267.2	1233.1	1317.7	1300
Raw rating	1267.2	1233.1	1316.4	1300
Weighted rating	1251.4	1220.7	1317.7
Weighted performance	1137.3	0	0
K-factor	36	36	36	36
Floor	767.3	749.6	834.6	800
Max/Min rating change allowed	150.7	158.2	140.5	143.8
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	1267.2	1233.1	1316.4	1300
New weighted rating	1254	1222.5	1318.3	1300
New weighted performance	1129.8	0	0	0
Temp new rating	1267.2	1233.1	1318.3	1300
Temp new rating +/-	0	0	0.6	0
Final new rating +/-	0	0	0.6	0
New rating	1267.2	1233.1	1318.3	1300
New K-factor	36	36	36	36
New floor	767.3	749.6	834.6	800

Item	Main	Standard	Rapid
	0	0	0
	13	6	7
	11	5	6
	0	0	0
	18	18	0
	0	0	0
History	42	29	13

Games since
	Main 24	Standard 11		Rapid 13		Blitz 0
Gender	Female
Age group	Adult
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-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	13	7	53.85	32.7	1245.3	1278
Standard	6	3	50	0	1298	1298
Rapid	7	4	57.14	60.7	1200.1	1260.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	42	20	47.62	-20.2	1307.5	1287.3
Standard	29	11.5	39.66	-87.9	1351.5	1263.6
Rapid	13	8.5	65.38	130.8	1209.5	1340.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1267.2	1233.1	1316.4	1300
2025-09-30	1267.2	1233.1	1316.4	1300
2025-09-01	1267.2	1233.1	1316.4	1300
2025-08-01	1267.2	1233.1	1316.4	1300
2025-07-01	1267.2	1233.1	1316.4	1300
2025-06-01	1267.2	1233.1	1316.4	1300
2025-05-01	1267.2	1233.1	1316.4	1300
2025-04-01	1267.3	1233.1	1334.6	1300
2025-03-01	1257.8	1214.7	1334.6	1300
2025-02-01	1257.8	1214.7	1334.6	1300
2025-01-01	1257.8	1214.7	1334.6	1300
2024-12-01	1257.8	1214.7	1334.6	1300
2024-11-01	1257.8	1214.7	1334.6	1300
2024-10-01	1228.1	1214.7	1300	1300
2024-09-01	1228.1	1214.7	1300	1300
2024-08-01	1195	1187.7	1300	1300
2024-07-01	1195	1187.7	1300	1300
2024-09-01	1195	1187.7	1300	1300
2024-05-01	1195	1187.7	1300	1300
2024-04-01	1195	1187.7	1300	1300
2024-03-01	1195	1187.7	1300	1300
2024-02-01	1195	1187.7	1300	1300
2024-01-01	1195	1187.7	1300	1300
2023-12-01	1195	1187.7	1200	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	Hermanus Chess Club Open 2025 (Development)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	7	4	Yes	Analysis
2	Western Cape Closed 2025 (C)	2025-03-08	2025-03-09	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	Hermanus Chess Club Open 2025 (Development)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	7	4	Yes	Analysis
2	Western Cape Closed 2025 (C)	2025-03-08	2025-03-09	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
3	Laerskool Welgemoed Rapid 2024 (Parents)	2024-10-19	2024-10-19	Rapid	Cape Town (WCT)	6	6	4.5	Yes	Analysis
4	Western Cape Women�s Championship 2024 (Advanced)	2024-08-08	2024-08-11	Standard	West Coast (WCU)	6	5	2	Yes	Analysis
5	2022 Western Province Club League (B)	2022-08-20	2022-10-01	Standard	Cape Town (WCT)	11	7	1	Yes	Analysis
6	Western Cape Closed Championship 2022 (Open)	2022-09-24	2022-09-25	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
7	Western Cape Woman`s Championship 2022 (Open)	2022-09-02	2022-09-04	Standard	West Coast (WCU)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament Western Cape Closed 2025				Tournament Hermanus Chess Club Open 2025
		date 2025-03-09	rnd 5	type Standard	result 0.5	date 2025-04-12	rnd 3	type Rapid	result 1
		Opponent Bowman, L (Lian)				Opponent Kalpens, B (Bonga)
2	4	Tournament Laerskool Welgemoed Rapid 2024				Tournament Laerskool Welgemoed Rapid 2024
		date 2024-10-19	rnd 1	type Rapid	result 0.5	date 2024-10-19	rnd 4	type Rapid	result 1
		Opponent Grove, M (Maria)				Opponent Fitzgerald, P (Patrick)
3	3	Tournament Western Cape Woman`s Championship 2022				Tournament Western Cape Woman`s Championship 2022
		date 2022-09-03	rnd 2	type Standard	result 1	date 2022-09-03	rnd 4	type Standard	result 0.5
		Opponent De Vlam, J (Jemeal)				Opponent Ellman, A (Anne-Belle)

#	Games	Start				End
1	3	Tournament Western Cape Woman`s Championship 2022				Tournament Western Cape Woman`s Championship 2022
		date 2022-09-03	rnd 2	type Standard	result 1	date 2022-09-03	rnd 4	type Standard	result 0.5
		Opponent De Vlam, J (Jemeal)				Opponent Ellman, A (Anne-Belle)
2	2	Tournament Western Cape Closed 2025				Tournament Western Cape Closed 2025
		date 2025-03-09	rnd 5	type Standard	result 0.5	date 2025-03-09	rnd 6	type Standard	result 1
		Opponent Bowman, L (Lian)				Opponent Naidoo, P (Prieyen)
3	2	Tournament Western Cape Closed 2025				Tournament Western Cape Closed 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 0.5
		Opponent Du Plessis, T (Tjaard)				Opponent Shasha, I (Iyanda)

#	Games	Start				End
1	4	Tournament Laerskool Welgemoed Rapid 2024				Tournament Hermanus Chess Club Open 2025
		date 2024-10-19	rnd 6	type Rapid	result 1	date 2025-04-12	rnd 3	type Rapid	result 1
		Opponent Mostert, A (Andr�)				Opponent Kalpens, B (Bonga)
2	4	Tournament Laerskool Welgemoed Rapid 2024				Tournament Laerskool Welgemoed Rapid 2024
		date 2024-10-19	rnd 1	type Rapid	result 0.5	date 2024-10-19	rnd 4	type Rapid	result 1
		Opponent Grove, M (Maria)				Opponent Fitzgerald, P (Patrick)
3	1	Tournament Hermanus Chess Club Open 2025				Tournament Hermanus Chess Club Open 2025
		date 2025-04-12	rnd 6	type Rapid	result 1	date 2025-04-12	rnd 6	type Rapid	result 1
		Opponent Brost, J (Jakob)				Opponent Brost, J (Jakob)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Western Cape Closed 2025				Tournament Hermanus Chess Club Open 2025
		date 2025-03-09	rnd 6	type Standard	result 1	date 2025-04-12	rnd 3	type Rapid	result 1
		Opponent Naidoo, P (Prieyen)				Opponent Kalpens, B (Bonga)
2	3	Tournament Laerskool Welgemoed Rapid 2024				Tournament Laerskool Welgemoed Rapid 2024
		date 2024-10-19	rnd 2	type Rapid	result 1	date 2024-10-19	rnd 4	type Rapid	result 1
		Opponent Wiggill, R (Riaan)				Opponent Fitzgerald, P (Patrick)
3	2	Tournament Western Cape Women�s Championship 2024				Tournament Western Cape Women�s Championship 2024
		date 2024-08-10	rnd 4	type Standard	result 1	date 2024-08-10	rnd 5	type Standard	result 1
		Opponent Verhoog, W (Walken)				Opponent Blaauws, I (Ilano)

#	Games	Start				End
1	2	Tournament Western Cape Women�s Championship 2024				Tournament Western Cape Women�s Championship 2024
		date 2024-08-10	rnd 4	type Standard	result 1	date 2024-08-10	rnd 5	type Standard	result 1
		Opponent Verhoog, W (Walken)				Opponent Blaauws, I (Ilano)
2	2	Tournament Western Cape Closed Championship 2022				Tournament Western Cape Closed Championship 2022
		date 2022-09-25	rnd 4	type Standard	result 1	date 2022-09-25	rnd 5	type Standard	result 1
		Opponent Naude, J (Jan-Daniel)				Opponent Braaf, J (Jordan)
3	2	Tournament Western Cape Woman`s Championship 2022				Tournament Western Cape Woman`s Championship 2022
		date 2022-09-03	rnd 2	type Standard	result 1	date 2022-09-03	rnd 3	type Standard	result 1
		Opponent De Vlam, J (Jemeal)				Opponent Noble, A (Andrew)

#	Games	Start				End
1	4	Tournament Laerskool Welgemoed Rapid 2024				Tournament Hermanus Chess Club Open 2025
		date 2024-10-19	rnd 6	type Rapid	result 1	date 2025-04-12	rnd 3	type Rapid	result 1
		Opponent Mostert, A (Andr�)				Opponent Kalpens, B (Bonga)
2	3	Tournament Laerskool Welgemoed Rapid 2024				Tournament Laerskool Welgemoed Rapid 2024
		date 2024-10-19	rnd 2	type Rapid	result 1	date 2024-10-19	rnd 4	type Rapid	result 1
		Opponent Wiggill, R (Riaan)				Opponent Fitzgerald, P (Patrick)
3	1	Tournament Hermanus Chess Club Open 2025				Tournament Hermanus Chess Club Open 2025
		date 2025-04-12	rnd 6	type Rapid	result 1	date 2025-04-12	rnd 6	type Rapid	result 1
		Opponent Brost, J (Jakob)				Opponent Brost, J (Jakob)

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	Lewaks ,A (Andre)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Lewaks ,A (Andre)	1	1349.4	924.4	1	1322.4	924.4	0	0	0	0	0	0
2	Spiller ,C (Caden)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Spiller ,C (Caden)	1	1421.8	996.8	1	1387.4	996.8	0	0	0	0	0	0
3	Teffo ,A (Austin)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Teffo ,A (Austin)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Palmer ,J (Jesse)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Palmer ,J (Jesse)	1	1613.6	1188.6	1	1590.9	1188.6	0	0	0	0	0	0
5	Du Plessis ,T (Tjaard)	1	1	425	1	1	425	0	0	0	0	0	0
5	Du Plessis ,T (Tjaard)	1	1186.5	1611.5	1	1194.6	1611.5	0	0	0	0	0	0
6	Michiel ,RRJ (Raidan Reilly John)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Michiel ,RRJ (Raidan Reilly John)	1	1758.1	1333.1	1	1756.6	1333.1	0	0	0	0	0	0
7	Verhoog ,W (Walken)	1	1	425	1	1	425	0	0	0	0	0	0
7	Verhoog ,W (Walken)	1	1186.3	1611.3	1	1207.5	1611.3	0	0	0	0	0	0
8	Arendse ,Q (Quinwinne)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Arendse ,Q (Quinwinne)	1	1361.8	936.8	1	1322.4	936.8	0	0	0	0	0	0
9	Bowman ,L (Lian)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Bowman ,L (Lian)	1	1383.9	1383.9	1	1320.8	1383.9	0	0	0	0	0	0
10	Drury ,N (Nicholas)	1	1	425	1	1	425	0	0	0	0	0	0
10	Drury ,N (Nicholas)	1	1246.9	1671.9	1	1270.7	1671.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Strydom, R (Retha)

Ratings

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Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms