Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pietersen, K (Katelin)

Chess SA id

2060098003

FIDE id

Date of birth

2006-08-08 (U20)

Gender

Female

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-03-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1261.1	1192.4	1264.3	1200
Raw rating	1261.1	1192.4	1264.3	1200
Weighted rating	1261.1	1192.4	1264.3	1200
Weighted performance	368.3	326.6	309.2	0
Floor	761.1	700	836.3	700
K-factor	36	36	36	36
Min/Max rating change allowed	152	167.6	151.3	165.8
Highest rating	1261.1 2024-02-01	1200 2018-01-01	1350.7 2019-08-01	1200 2018-10-01
Highest raw rating	1261.1 2024-02-01	1200 2018-01-01	1336.3 2019-09-01	1200 2024-02-01
Highest weighted rating	1261.1 2024-02-01	1200 2018-01-01	1336.3 2020-08-01	1200 2018-10-01
Highest weighted performance	1260.6 2020-03-01	1200 2018-01-01	1350.7 2019-08-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1261.1	1192.4	1264.3	1200
Analysis
Rating	1261.1	1192.4	1264.3	1200
Raw rating	1261.1	1192.4	1264.3	1200
Weighted rating	1261.1	1192.4	1264.3
Weighted performance	368.3	326.6	309.2
K-factor	36	36	36	36
Floor	761.1	700	836.3	700
Max/Min rating change allowed	152	167.6	151.3	165.8
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	1261.1	1192.4	1264.3	1200
New weighted rating	1261.1	1192.4	1264.3	1200
New weighted performance	367.8	326.1	308.8	0
Temp new rating	1261.1	1192.4	1264.3	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1261.1	1192.4	1264.3	1200
New K-factor	36	36	36	36
New floor	761.1	700	836.3	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	102	44	58

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U20
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 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	102	63	61.76	100	1117.7	1217.7
Standard	44	22	50	0	1113.1	1113.1
Rapid	58	41	70.69	175.9	1121.1	1296.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1261.1	1192.4	1264.3	1200
2025-09-01	1261.1	1192.4	1264.3	1200
2025-08-01	1261.1	1192.4	1264.3	1200
2025-07-01	1261.1	1192.4	1264.3	1200
2025-06-01	1261.1	1192.4	1264.3	1200
2025-05-01	1261.1	1192.4	1264.3	1200
2025-04-01	1261.1	1192.4	1264.3	1200
2025-03-01	1261.1	1192.4	1264.3	1200
2025-02-01	1261.1	1192.4	1264.3	1200
2025-01-01	1261.1	1192.4	1264.3	1200
2024-12-01	1261.1	1192.4	1264.3	1200
2024-11-01	1261.1	1192.4	1264.3	1200
2024-10-01	1261.1	1192.4	1264.3	1200
2024-09-01	1261.1	1192.4	1264.3	1200
2024-08-01	1261.1	1192.4	1264.3	1200
2024-07-01	1261.1	1192.4	1264.3	1200
2024-06-01	1261.1	1192.4	1264.3	1200
2024-08-01	1261.1	1192.4	1264.3	1200
2024-04-01	1261.1	1192.4	1264.3	1200
2024-03-01	1261.1	1192.4	1264.3	1200
2024-02-01	1261.1	1192.4	1264.3	1200
2024-01-01	1261.1	1192.4	1264.3	1200
2023-12-01	1261.1	1192.4	1264.3	1200
2023-11-01	1261.1	1192.4	1264.3	1200

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	Western Cape Schools 2020 (U15 Girls)	2020-03-14	2020-03-15	Standard	Cape Town (WCT)	5	5	3.5	Yes	Analysis
2	Cape Winelands Schools Trials 1 2020 (U15 Girls)	2020-02-15	2020-02-15	Rapid	Cape Winelands (WCW)	6	6	4.5	Yes	Analysis
3	2019 South African Junior Team Championships (U14E)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	4	Yes	Analysis
4	Western Cape Schools Kings & Queens 2019 (Girls)	2019-10-12	2019-10-12	Rapid	West Coast (WCU)	5	4	2	Yes	Analysis
5	2019 Western Province League (E)	2019-07-27	2019-08-10	Standard	Cape Town (WCT)	9	5	1.5	Yes	Analysis
6	Stellenbosch Primary 2019 (U14)	2019-08-31	2019-08-31	Rapid	Cape Winelands (WCW)	7	7	6	Yes	Analysis
7	Cape Winelands Schools - Top Schools 2019 (U13 Mix)	2019-07-27	2019-07-27	Rapid	Cape Winelands (WCW)	5	5	4	Yes	Analysis
8	Drakenstein Dragons Rapid 2019 (U13)	2019-06-15	2019-06-15	Rapid	Cape Winelands (WCW)	7	7	5	Yes	Analysis
9	Western Cape Schools Individuals 2019 (U13 Girls)	2019-05-18	2019-05-19	Standard	Eden (WEG)	6	6	2	Yes	Analysis
10	Rhenish Primary Chess Tournament 2019 (U14)	2019-05-11	2019-05-11	Rapid	Cape Winelands (WCW)	7	7	5	Yes	Analysis
11	Cape Winelands Open 2019 (B)	2019-04-27	2019-04-27	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
12	Cape Winelands Schools Closed 2019 (U13 Girls)	2019-03-16	2019-03-17	Standard	Cape Winelands (WCW)	7	7	5	Yes	Analysis
13	CW Schools Open 2019 (U13 Girls)	2019-02-02	2019-02-02	Rapid	Cape Winelands (WCW)	6	6	4.5	Yes	Analysis
14	2018 Western Province League (E)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	7	2	0	Yes	Analysis
15	Cape Winelands Schools Chess - Top Schools 2018 (U11+U13 Girls)	2018-07-28	2018-07-28	Rapid	Cape Winelands (WCW)	3	3	3	Yes	Analysis
16	Rhenish Primary Chess Tournament 2018 (U14)	2018-05-12	2018-05-12	Rapid	Cape Winelands (WCW)	7	7	4.5	Yes	Analysis
17	Cape Winelands Schools Trials 1 2018 (U13 Girls)	2018-03-03	2018-03-03	Rapid	Cape Winelands (WCW)	6	6	2.5	Yes	Analysis
18	Cape Winelands Schools Prestige 2018 (U13 Girls)	2018-03-24	2018-03-25	Standard	Cape Winelands (WCW)	7	7	4	Yes	Analysis

#	Games	Start				End
1	5	Tournament CW Schools Open 2019				Tournament CW Schools Open 2019
		date 2019-02-02	rnd 1	type Rapid	result 1	date 2019-02-02	rnd 5	type Rapid	result 1
		Opponent Michaels, A (Ashley)				Opponent Veliso, A (Amyoli)
2	5	Tournament Rhenish Primary Chess Tournament 2018				Tournament Cape Winelands Schools Chess - Top Schools 2018
		date 2018-05-12	rnd 6	type Rapid	result 1	date 2018-07-28	rnd 3	type Rapid	result 1
		Opponent Samka, L (Lungile)				Opponent Kula, A (Akhona)
3	4	Tournament Cape Winelands Schools Trials 1 2020				Tournament Western Cape Schools 2020
		date 2020-02-15	rnd 4	type Rapid	result 0.5	date 2020-03-14	rnd 1	type Standard	result 0.5
		Opponent Pienaar, C (Claudine)				Opponent Du Preez, K (Katrien)

#	Games	Start				End
1	3	Tournament Western Cape Schools 2020				Tournament Western Cape Schools 2020
		date 2020-03-14	rnd 3	type Standard	result 1	date 2020-03-15	rnd 5	type Standard	result 1
		Opponent Brand, R (Robin)				Opponent Choli, T (Thimwa Angel)
2	3	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-06	rnd 4	type Standard	result 1	date 2020-01-07	rnd 6	type Standard	result 1
		Opponent Mahomed, N (Na`eem)				Opponent Osborne, R (Ryan Eugene)
3	3	Tournament Cape Winelands Schools Closed 2019				Tournament Cape Winelands Schools Closed 2019
		date 2019-03-17	rnd 5	type Standard	result 1	date 2019-03-17	rnd 7	type Standard	result 1
		Opponent Lombard, M (Mia)				Opponent Mcaba, E (Elam)

#	Games	Start				End
1	10	Tournament Rhenish Primary Chess Tournament 2018				Tournament CW Schools Open 2019
		date 2018-05-12	rnd 6	type Rapid	result 1	date 2019-02-02	rnd 5	type Rapid	result 1
		Opponent Samka, L (Lungile)				Opponent Veliso, A (Amyoli)
2	6	Tournament Cape Winelands Schools - Top Schools 2019				Tournament Stellenbosch Primary 2019
		date 2019-07-27	rnd 3	type Rapid	result 1	date 2019-08-31	rnd 3	type Rapid	result 1
		Opponent Basson, A (Adriaan)				Opponent Samson, G (Grant)
3	3	Tournament Cape Winelands Schools Trials 1 2020				Tournament Cape Winelands Schools Trials 1 2020
		date 2020-02-15	rnd 4	type Rapid	result 0.5	date 2020-02-15	rnd 6	type Rapid	result 1
		Opponent Pienaar, C (Claudine)				Opponent Scheepers, S (Stephanie)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Western Cape Schools 2020				Tournament Western Cape Schools 2020
		date 2020-03-14	rnd 3	type Standard	result 1	date 2020-03-15	rnd 5	type Standard	result 1
		Opponent Brand, R (Robin)				Opponent Choli, T (Thimwa Angel)
2	3	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-06	rnd 4	type Standard	result 1	date 2020-01-07	rnd 6	type Standard	result 1
		Opponent Mahomed, N (Na`eem)				Opponent Osborne, R (Ryan Eugene)
3	3	Tournament Stellenbosch Primary 2019				Tournament Stellenbosch Primary 2019
		date 2019-08-31	rnd 5	type Rapid	result 1	date 2019-08-31	rnd 7	type Rapid	result 1
		Opponent Rasdelhoff, J (Jordan)				Opponent Meyer, J (Johannes)

#	Games	Start				End
1	3	Tournament Western Cape Schools 2020				Tournament Western Cape Schools 2020
		date 2020-03-14	rnd 3	type Standard	result 1	date 2020-03-15	rnd 5	type Standard	result 1
		Opponent Brand, R (Robin)				Opponent Choli, T (Thimwa Angel)
2	3	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-06	rnd 4	type Standard	result 1	date 2020-01-07	rnd 6	type Standard	result 1
		Opponent Mahomed, N (Na`eem)				Opponent Osborne, R (Ryan Eugene)
3	3	Tournament Cape Winelands Schools Closed 2019				Tournament Cape Winelands Schools Closed 2019
		date 2019-03-17	rnd 5	type Standard	result 1	date 2019-03-17	rnd 7	type Standard	result 1
		Opponent Lombard, M (Mia)				Opponent Mcaba, E (Elam)

#	Games	Start				End
1	6	Tournament Cape Winelands Schools - Top Schools 2019				Tournament Stellenbosch Primary 2019
		date 2019-07-27	rnd 3	type Rapid	result 1	date 2019-08-31	rnd 3	type Rapid	result 1
		Opponent Basson, A (Adriaan)				Opponent Samson, G (Grant)
2	6	Tournament Cape Winelands Schools Chess - Top Schools 2018				Tournament CW Schools Open 2019
		date 2018-07-28	rnd 1	type Rapid	result 1	date 2019-02-02	rnd 3	type Rapid	result 1
		Opponent Hlakaza, O (Okuhle)				Opponent Rodgers, M (Morgan)
3	3	Tournament Stellenbosch Primary 2019				Tournament Stellenbosch Primary 2019
		date 2019-08-31	rnd 5	type Rapid	result 1	date 2019-08-31	rnd 7	type Rapid	result 1
		Opponent Rasdelhoff, J (Jordan)				Opponent Meyer, J (Johannes)

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	Brand ,R (Robin)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
1	Brand ,R (Robin)	3	1103.8	962.1	2	997.5	1103.8	1	1053.3	678.8	0	0	0
2	Gosa ,L (Lisakhanya)	3	1	-141.7	2	0	-425	1	1	425	0	0	0
2	Gosa ,L (Lisakhanya)	3	1052	910.3	2	1060.2	627	1	1130.4	1477	0	0	0
3	Hlakaza ,O (Okuhle)	3	3	425	1	1	425	2	2	425	0	0	0
3	Hlakaza ,O (Okuhle)	3	847.6	1272.6	1	549.2	1272.6	2	940.4	1272.6	0	0	0
4	Williams ,A (Azraa)	2	1	0	1	0	-425	1	1	425	0	0	0
4	Williams ,A (Azraa)	2	641.5	641.5	1	500	216.5	1	638.4	1066.5	0	0	0
5	Rasdelhoff ,J (Jordan)	2	2	425	0	0	0	2	2	425	0	0	0
5	Rasdelhoff ,J (Jordan)	2	1188.6	1613.6	0	0	0	2	1159.6	1613.6	0	0	0
6	Demas ,G (Genevieve)	2	2	425	0	0	0	2	2	425	0	0	0
6	Demas ,G (Genevieve)	2	728	1153.1	0	0	0	2	867.8	1153.1	0	0	0
7	Van Rooyen ,L (Lehandre)	1	1	425	1	1	425	0	0	0	0	0	0
7	Van Rooyen ,L (Lehandre)	1	1117.4	1542.4	1	1200	1542.4	0	0	0	0	0	0
8	Meyson ,Y (Yusraa)	1	1	425	1	1	425	0	0	0	0	0	0
8	Meyson ,Y (Yusraa)	1	919	1344	1	876.4	1344	0	0	0	0	0	0
9	Kwatsha ,U (Unakho)	1	1	425	1	1	425	0	0	0	0	0	0
9	Kwatsha ,U (Unakho)	1	1320.8	1745.8	1	1338.2	1745.8	0	0	0	0	0	0
10	Nkosi ,S (Siphesihle)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Nkosi ,S (Siphesihle)	1	1047	622	1	811.6	622	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Pietersen, K (Katelin)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms