Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Preez, K (Katrien)

Chess SA id

205055185

FIDE id

Date of birth

2005-01-29 (Adult)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1460.2	1431.8	1255.4	923
Raw rating	1460.2	1431.8	1255.4	923
Weighted rating	1449.9	1418.6	1255	923
Weighted performance	782.2	688.2	598.2	0
Floor	960.2	931.8	755.4	500
K-factor	32	32	36	40
Min/Max rating change allowed	114.5	119.2	153.2	246
Highest rating	1460.2 2024-10-01	1431.8 2024-10-01	1290.3 2018-05-01	1200 2024-02-01
Highest raw rating	1460.2 2024-10-01	1431.8 2024-10-01	1255.4 2024-02-01	923 2024-02-01
Highest weighted rating	1445.9 2025-08-01	1413.6 2025-08-01	1254.1 2025-08-01	923 2024-11-01
Highest weighted performance	1380.1 2022-06-01	1290.4 2024-09-01	1290.3 2018-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1460.2	1431.8	1255.4	923
Analysis
Rating	1460.2	1431.8	1255.4	923
Raw rating	1460.2	1431.8	1255.4	923
Weighted rating	1449.9	1418.6	1255
Weighted performance	782.2	688.2	598.2
K-factor	32	32	36	40
Floor	960.2	931.8	755.4	500
Max/Min rating change allowed	114.5	119.2	153.2	246
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	1460.2	1431.8	1255.4	923
New weighted rating	1451.6	1420.8	1255.3	923
New weighted performance	781.7	687.7	597.8	0
Temp new rating	1460.2	1431.8	1255.4	923
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1460.2	1431.8	1255.4	923
New K-factor	32	32	36	40
New floor	960.2	931.8	755.4	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	4	4	0
	0	0	0
	11	5	6
	22	12	10
History	372	336	36

Games since
	Main 4	Standard 4		Rapid 0		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	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	153	86	56.21	52.8	1159.1	1211.8
Standard	127	68.5	53.94	33.5	1137.4	1170.8
Rapid	26	17.5	67.31	147.1	1265.1	1412.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1460.2	1431.8	1255.4	923
2025-09-01	1460.2	1431.8	1255.4	923
2025-08-01	1460.2	1431.8	1255.4	923
2025-07-01	1460.2	1431.8	1255.4	923
2025-06-01	1460.2	1431.8	1255.4	923
2025-05-01	1460.2	1431.8	1255.4	923
2025-04-01	1460.2	1431.8	1255.4	923
2025-03-01	1460.2	1431.8	1255.4	923
2025-02-01	1460.2	1431.8	1255.4	923
2025-01-01	1460.2	1431.8	1255.4	923
2024-12-01	1460.2	1431.8	1255.4	923
2024-11-01	1460.2	1431.8	1255.4	923
2024-10-01	1460.2	1431.8	1255.4	923
2024-09-01	1413.2	1371.7	1255.4	923
2024-08-01	1413.2	1371.7	1255.4	923
2024-07-01	1413.2	1371.7	1255.4	923
2024-06-01	1413.2	1371.7	1255.4	923
2024-08-01	1413.2	1371.7	1255.4	923
2024-04-01	1413.2	1371.7	1255.4	923
2024-03-01	1413.2	1371.7	1255.4	923
2024-02-01	1413.2	1371.7	1255.4	923
2024-01-01	1413.2	1371.7	1255.4	923
2023-12-01	1413.2	1371.7	1215	923
2023-11-01	1413.2	1371.7	1215	923

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	CT League 2024 (B)	2024-07-20	2024-09-07	Standard	Cape Town (WCT)	11	1	0.5	Yes	Analysis
2	CT League 2024 (C)	2024-07-20	2024-09-07	Standard	Cape Town (WCT)	11	3	2.5	Yes	Analysis
3	WP Closed 2022 (U18+U20)	2022-06-16	2022-06-16	Standard	Cape Town (WCT)	6	5	2.5	Yes	Analysis
4	District North 2022 (U18)	2022-03-06	2022-03-06	Rapid	Cape Town (WCT)	6	6	4.5	Yes	Analysis
5	Western Cape Schools 2021 (U18 Girls)	2021-10-23	2021-10-23	Rapid	Overberg (WOS)	5	5	3.5	Yes	Analysis
6	Western Cape Closed 2021 (Open)	2021-09-24	2021-09-25	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
7	CWP Closed 2021 (Open)	2021-09-18	2021-09-19	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
8	CWP Youth Day Rapid 2021 (U18)	2021-06-16	2021-06-16	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis
9	Western Cape Schools 2020 (U15 Girls)	2020-03-14	2020-03-15	Standard	Cape Town (WCT)	5	5	2.5	Yes	Analysis
10	2020 Western Province Open (Prestige)	2020-03-07	2020-03-08	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
11	2020 Central District (U15)	2020-02-07	2020-02-08	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
12	2019 South African Junior Team Championships (U16B)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	3.5	Yes	Analysis
13	Western Cape Schools Kings & Queens 2019 (Girls)	2019-10-12	2019-10-12	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
14	2019 WP Youth Open (B)	2019-07-13	2019-07-13	Standard	Cape Town (WCT)	5	5	2.5	Yes	Analysis
15	Western Cape Schools Individuals 2019 (U15 Girls)	2019-05-04	2019-05-05	Standard	Eden (WEG)	6	6	4	Yes	Analysis
16	Metro School Chess Closed Individual Trials 2019 (U15 Girls)	2019-03-01	2019-03-02	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
17	2019 Central District Schools Trials (U15)	2019-02-01	2019-02-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
18	Laerskool Brits Tournament 2018 (U14)	2018-08-04	2018-08-04	Standard	Bojanala Platina (NBR)	5	5	3.5	Yes	Analysis
19	2018 Super 12 (Senior)	2018-05-05	2018-05-05	Rapid	Tshwane (GTP)	5	5	3.5	Yes	Analysis
20	Laerskool Proteapark Chess 2018 (B)	2018-05-19	2018-05-19	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
21	2018 South African Junior Closed Chess Championships (U14 Girls)	2018-04-01	2018-04-07	Standard	Chess South Africa (CSA)	11	10	3	Yes	Analysis
22	Laerskool Olienpark 2018 (U14)	2018-04-21	2018-04-21	Standard	Bojanala Platina (NBR)	5	5	3.5	Yes	Analysis
23	2018 Crawford Open (C)	2018-03-24	2018-03-24	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
24	Hoerskool Brits 2018 (U16)	2018-03-17	2018-03-17	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
25	2018 Constantia Park Open (C)	2018-02-10	2018-02-10	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
26	2018 Blou Bul Open (C)	2018-02-17	2018-02-17	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
27	South African Junior Wildcard Championships 2017 (U14 Girls)	2018-01-09	2018-01-12	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis
28	South African Junior Team Championships 2017 (U14 Girls)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	3.5	Yes	Analysis

#	Games	Start				End
1	7	Tournament Western Cape Schools 2021				Tournament District North 2022
		date 2021-10-23	rnd 4	type Rapid	result 1	date 2022-03-06	rnd 5	type Rapid	result 0.5
		Opponent Amsterdam, A (Amuscka)				Opponent Strydom, T (Tiaan)
2	6	Tournament Laerskool Proteapark Chess 2018				Tournament Laerskool Brits Tournament 2018
		date 2018-05-19	rnd 3	type Standard	result 1	date 2018-08-04	rnd 3	type Standard	result 0.5
		Opponent Byliefeldt, L (Leroux)				Opponent Lefyedi, T (Thatego)
3	6	Tournament 2018 South African Junior Closed Chess Championships				Tournament Laerskool Olienpark 2018
		date 2018-04-06	rnd 10	type Standard	result 1	date 2018-04-21	rnd 4	type Standard	result 0.5
		Opponent Bhila, L (Lindokuhle)				Opponent Beja, O (Odwa)

#	Games	Start				End
1	6	Tournament Laerskool Proteapark Chess 2018				Tournament Laerskool Brits Tournament 2018
		date 2018-05-19	rnd 3	type Standard	result 1	date 2018-08-04	rnd 3	type Standard	result 0.5
		Opponent Byliefeldt, L (Leroux)				Opponent Lefyedi, T (Thatego)
2	6	Tournament 2018 South African Junior Closed Chess Championships				Tournament Laerskool Olienpark 2018
		date 2018-04-06	rnd 10	type Standard	result 1	date 2018-04-21	rnd 4	type Standard	result 0.5
		Opponent Bhila, L (Lindokuhle)				Opponent Beja, O (Odwa)
3	5	Tournament WP Closed 2022				Tournament CT League 2024
		date 2022-06-16	rnd 6	type Standard	result 0.5	date 2024-08-17	rnd 6	type Standard	result 0.5
		Opponent Mabaya, C (Casper)				Opponent Baloyi, T (Tony)

#	Games	Start				End
1	7	Tournament Western Cape Schools 2021				Tournament District North 2022
		date 2021-10-23	rnd 4	type Rapid	result 1	date 2022-03-06	rnd 5	type Rapid	result 0.5
		Opponent Amsterdam, A (Amuscka)				Opponent Strydom, T (Tiaan)
2	4	Tournament CWP Youth Day Rapid 2021				Tournament Western Cape Schools 2021
		date 2021-06-16	rnd 4	type Rapid	result 1	date 2021-10-23	rnd 2	type Rapid	result 1
		Opponent Du Preez, L (Lienke)				Opponent Ebrahim, A (Aqeelah)
3	4	Tournament 2018 Super 12				Tournament Western Cape Schools Kings & Queens 2019
		date 2018-05-05	rnd 3	type Rapid	result 1	date 2019-10-12	rnd 1	type Rapid	result 1
		Opponent Van Den Berg, NJB (Nicolaas Johann)				Opponent Juta, P (Paulincia)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Laerskool Proteapark Chess 2018				Tournament Laerskool Brits Tournament 2018
		date 2018-05-19	rnd 3	type Standard	result 1	date 2018-08-04	rnd 2	type Standard	result 1
		Opponent Byliefeldt, L (Leroux)				Opponent Van Der Westhuizen, PJ (Petrus)
2	4	Tournament District North 2022				Tournament District North 2022
		date 2022-03-06	rnd 1	type Rapid	result 1	date 2022-03-06	rnd 4	type Rapid	result 1
		Opponent Rabiu, A (Abdul Hamid)				Opponent Williams, W (Wilry)
3	4	Tournament Western Cape Closed 2021				Tournament Western Cape Schools 2021
		date 2021-09-25	rnd 5	type Standard	result 1	date 2021-10-23	rnd 2	type Rapid	result 1
		Opponent Brand, R (Robin)				Opponent Ebrahim, A (Aqeelah)

#	Games	Start				End
1	5	Tournament Laerskool Proteapark Chess 2018				Tournament Laerskool Brits Tournament 2018
		date 2018-05-19	rnd 3	type Standard	result 1	date 2018-08-04	rnd 2	type Standard	result 1
		Opponent Byliefeldt, L (Leroux)				Opponent Van Der Westhuizen, PJ (Petrus)
2	4	Tournament Western Cape Closed 2021				Tournament WP Closed 2022
		date 2021-09-25	rnd 5	type Standard	result 1	date 2022-06-16	rnd 3	type Standard	result 1
		Opponent Brand, R (Robin)				Opponent Mchontsi, A (Ayabonga)
3	4	Tournament Laerskool Brits Tournament 2018				Tournament 2019 Central District Schools Trials
		date 2018-08-04	rnd 5	type Standard	result 1	date 2019-02-02	rnd 3	type Standard	result 1
		Opponent Maseng, G (Gontlafetse)				Opponent Jaffer, U (Uzair)

#	Games	Start				End
1	4	Tournament District North 2022				Tournament District North 2022
		date 2022-03-06	rnd 1	type Rapid	result 1	date 2022-03-06	rnd 4	type Rapid	result 1
		Opponent Rabiu, A (Abdul Hamid)				Opponent Williams, W (Wilry)
2	4	Tournament CWP Youth Day Rapid 2021				Tournament Western Cape Schools 2021
		date 2021-06-16	rnd 4	type Rapid	result 1	date 2021-10-23	rnd 2	type Rapid	result 1
		Opponent Du Preez, L (Lienke)				Opponent Ebrahim, A (Aqeelah)
3	4	Tournament 2018 Super 12				Tournament Western Cape Schools Kings & Queens 2019
		date 2018-05-05	rnd 3	type Rapid	result 1	date 2019-10-12	rnd 1	type Rapid	result 1
		Opponent Van Den Berg, NJB (Nicolaas Johann)				Opponent Juta, P (Paulincia)

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 Preez ,L (Lienke)	4	1.5	-106.2	2	0	-425	2	1.5	212.5	0	0	0
1	Du Preez ,L (Lienke)	4	1166.8	1060.6	2	986.8	741.8	2	936	1379.3	0	0	0
2	Yacoob ,A (Ameera)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
2	Yacoob ,A (Ameera)	3	1345.7	1204	3	1340.8	1204	0	0	0	0	0	0
3	Maseng ,G (Gontlafetse)	3	3	425	3	3	425	0	0	0	0	0	0
3	Maseng ,G (Gontlafetse)	3	941.1	1366.1	3	942	1366.1	0	0	0	0	0	0
4	Harris ,A (Angie)	3	1.5	0	2	0.5	-212.5	1	1	425	0	0	0
4	Harris ,A (Angie)	3	1055.6	1055.6	2	999.6	843.1	1	1065.2	1480.6	0	0	0
5	Spiller ,C (Caden)	2	1	0	2	1	0	0	0	0	0	0	0
5	Spiller ,C (Caden)	2	1434.7	1434.7	2	1392.2	1434.7	0	0	0	0	0	0
6	Chiriya ,T (Takudzwa)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
6	Chiriya ,T (Takudzwa)	2	1381.4	1593.9	2	1371.2	1593.9	0	0	0	0	0	0
7	Arendse ,KC (Kelli Candice)	2	2	425	2	2	425	0	0	0	0	0	0
7	Arendse ,KC (Kelli Candice)	2	850.2	1275.2	2	865	1275.2	0	0	0	0	0	0
8	Jaffer ,U (Uzair)	2	1	0	2	1	0	0	0	0	0	0	0
8	Jaffer ,U (Uzair)	2	1236.5	1236.5	2	1243.7	1236.5	0	0	0	0	0	0
9	Ebrahim ,MB (Mumtaaz)	2	2	425	2	2	425	0	0	0	0	0	0
9	Ebrahim ,MB (Mumtaaz)	2	1132.8	1557.8	2	1124.8	1557.8	0	0	0	0	0	0
10	Holroyd ,K (Kea)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
10	Holroyd ,K (Kea)	2	1055.1	842.6	2	1064	842.6	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

Du Preez, K (Katrien)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms