Chess South Africa Ratings Database

PLAYER PAGE

Personal

Hart-Davis, K (Katherine)

Chess SA id

2080096088

FIDE id

Date of birth

2008-01-08 (U18)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1296.3	1305.8	1198.8	1200
Raw rating	1296.3	1305.8	1198.8	1200
Weighted rating	1229.7	1224.8	1198.8	1200
Weighted performance	1215.2	1210.7	0	0
Floor	796.3	805.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	144.6	142.6	166.1	165.8
Highest rating	1296.3 2025-09-30	1305.8 2025-09-30	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1296.3 2025-09-30	1305.8 2025-09-30	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1223.2 2025-09-30	1231.3 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1230.4 2025-09-30	1225.8 2025-09-30	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1296.3	1305.8	1198.8	1200
Analysis
Rating	1296.3	1305.8	1198.8	1200
Raw rating	1296.3	1305.8	1198.8	1200
Weighted rating	1229.7	1224.8	1198.8
Weighted performance	1215.2	1210.7	0
K-factor	36	36	36	36
Floor	796.3	805.8	700	700
Max/Min rating change allowed	144.6	142.6	166.1	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	1296.3	1305.8	1198.8	1200
New weighted rating	1235.8	1232.4	1198.8	1200
New weighted performance	1207.1	1202.7	0	0
Temp new rating	1296.3	1305.8	1198.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1296.3	1305.8	1198.8	1200
New K-factor	36	36	36	36
New floor	796.3	805.8	700	700

Item	Main	Standard	Rapid
	0	0	0
	5	5	0
	16	16	0
	23	23	0
	21	16	5
	0	0	0
History	114	109	5

Games since
	Main 21	Standard 21		Rapid 0		Blitz 0
Gender	Female
Age group	U18
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 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	5	4	80	255	1368.9	1623.9
Standard	5	4	80	255	1368.9	1623.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	114	51	44.74	-44.7	1199.5	1154.8
Standard	109	48	44.04	-50.7	1198.4	1147.8
Rapid	5	3	60	85	1222.3	1307.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1296.3	1305.8	1198.8	1200
2025-09-30	1296.3	1305.8	1198.8	1200
2025-09-01	1225.8	1219.8	1198.8	1200
2025-08-01	1225.8	1219.8	1198.8	1200
2025-07-01	1225.8	1219.8	1198.8	1200
2025-06-01	1225.8	1219.8	1198.8	1200
2025-05-01	1225.8	1219.8	1198.8	1200
2025-04-01	1225.8	1219.8	1198.8	1200
2025-03-01	1225.8	1219.8	1198.8	1200
2025-02-01	1225.8	1219.8	1198.8	1200
2025-01-01	1225.8	1219.8	1198.8	1200
2024-12-01	1225.8	1219.8	1198.8	1200
2024-11-01	1225.8	1219.8	1198.8	1200
2024-10-01	1225.8	1219.8	1198.8	1200
2024-09-01	1178.3	1164.7	1198.8	1200
2024-08-01	1178.3	1164.7	1198.8	1200
2024-07-01	1178.3	1164.7	1198.8	1200
2024-09-01	1178.3	1164.7	1198.8	1200
2024-05-01	1178.3	1164.7	1198.8	1200
2024-04-01	1178.3	1164.7	1198.8	1200
2024-03-01	1236	1231.3	1198.8	1200
2024-02-01	1215.7	1202.9	1198.8	1200
2024-01-01	1215.7	1202.9	1198.8	1200
2023-12-01	1215.7	1202.9	1198.8	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	Western Cape Schools - Top Schools 2025 (U19 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U19 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	5	4	Yes	Analysis
2	Western Cape Top Schools Championship 2024 (U18 Girls)	2024-08-30	2024-09-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis
3	Cape Town Metro Schools Chess Closed Individuals 2024 (U18 Girls)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	6	1	Yes	Analysis
4	CT Metro Central District Schools Chess Individuals Trials 2024 (U18 Girls)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
5	Western Cape Top Schools 2023 (U15 Girls)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis
6	Western Cape HS Individuals 2023 (U15 Girls)	2023-04-01	2023-04-02	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
7	Cape Town Metro Schools Chess Closed Individuals 2023 (U15 Girls)	2023-02-03	2023-03-04	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
8	Central District School Trials 2023 (U15 Girls)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
9	Western Cape Top Schools 2022 (U15 Girls)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
10	WP Closed 2022 (U16)	2022-06-16	2022-06-16	Standard	Cape Town (WCT)	6	5	1	Yes	Analysis
11	Western Cape Schools Chess 2022 (U15 Girls)	2022-05-07	2022-05-08	Standard	Eden (WEG)	6	6	2.5	Yes	Analysis
12	2022 Central District Individual Trials (U15)	2022-03-05	2022-03-05	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis
13	2020 Metro Trials (U13 Girls)	2020-03-13	2020-03-14	Standard	Cape Town (WCT)	5	5	1	Yes	Analysis
14	2020 Central District (U13)	2020-02-07	2020-02-08	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
15	2020 Cape Of Good Hope Open (Open)	2020-02-21	2020-02-23	Standard	Cape Town (WCT)	6	5	1	Yes	Analysis
16	Western Cape Top Schools 2019 (U11 Girls)	2019-08-31	2019-09-01	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
17	Metro School Chess Closed Individual Trials 2019 (U11 Girls)	2019-03-01	2019-03-02	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
18	2019 Central District Schools Trials (U11)	2019-02-01	2019-02-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
19	Western Cape Top Schools 2018 (U13 Girls)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	4	1.5	Yes	Analysis
20	2018 WP Schools Closed Trials (U11 Girls)	2018-03-09	2018-03-10	Standard	Cape Town (WCT)	6	6	1	Yes	Analysis
21	2018 Central District Trials (U11)	2018-02-02	2018-02-03	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament WP Closed 2022				Tournament Western Cape Top Schools 2022
		date 2022-06-16	rnd 6	type Standard	result 1	date 2022-09-17	rnd 4	type Standard	result 1
		Opponent Dinana, L (Liyakha)				Opponent Field, C (Chante)
2	3	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-07	rnd 5	type Standard	result 1
		Opponent Jerman, M (Margot)				Opponent Saayman, M (Miljenay)
3	3	Tournament Western Cape Top Schools 2023				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2023-09-03	rnd 5	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Minnaar, A (Amelia)				Opponent Mlindi, C (Chuma)

#	Games	Start				End
1	5	Tournament WP Closed 2022				Tournament Western Cape Top Schools 2022
		date 2022-06-16	rnd 6	type Standard	result 1	date 2022-09-17	rnd 4	type Standard	result 1
		Opponent Dinana, L (Liyakha)				Opponent Field, C (Chante)
2	3	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-07	rnd 5	type Standard	result 1
		Opponent Jerman, M (Margot)				Opponent Saayman, M (Miljenay)
3	3	Tournament Western Cape Top Schools 2023				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2023-09-03	rnd 5	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Minnaar, A (Amelia)				Opponent Mlindi, C (Chuma)

#	Games	Start				End
1	2	Tournament 2022 Central District Individual Trials				Tournament 2022 Central District Individual Trials
		date 2022-03-05	rnd 1	type Rapid	result 1	date 2022-03-05	rnd 2	type Rapid	result 1
		Opponent Mujokoro, T (Takudzwa)				Opponent Sehonyela, I (Indiphile)
2	1	Tournament 2022 Central District Individual Trials				Tournament 2022 Central District Individual Trials
		date 2022-03-05	rnd 4	type Rapid	result 1	date 2022-03-05	rnd 4	type Rapid	result 1
		Opponent Sehonyela, E (Endinakho)				Opponent Sehonyela, E (Endinakho)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament WP Closed 2022				Tournament Western Cape Top Schools 2022
		date 2022-06-16	rnd 6	type Standard	result 1	date 2022-09-17	rnd 4	type Standard	result 1
		Opponent Dinana, L (Liyakha)				Opponent Field, C (Chante)
2	3	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-07	rnd 5	type Standard	result 1
		Opponent Jerman, M (Margot)				Opponent Saayman, M (Miljenay)
3	3	Tournament Western Cape Top Schools 2023				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2023-09-03	rnd 5	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Minnaar, A (Amelia)				Opponent Mlindi, C (Chuma)

#	Games	Start				End
1	5	Tournament WP Closed 2022				Tournament Western Cape Top Schools 2022
		date 2022-06-16	rnd 6	type Standard	result 1	date 2022-09-17	rnd 4	type Standard	result 1
		Opponent Dinana, L (Liyakha)				Opponent Field, C (Chante)
2	3	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-07	rnd 5	type Standard	result 1
		Opponent Jerman, M (Margot)				Opponent Saayman, M (Miljenay)
3	3	Tournament Western Cape Top Schools 2023				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2023-09-03	rnd 5	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Minnaar, A (Amelia)				Opponent Mlindi, C (Chuma)

#	Games	Start				End
1	2	Tournament 2022 Central District Individual Trials				Tournament 2022 Central District Individual Trials
		date 2022-03-05	rnd 1	type Rapid	result 1	date 2022-03-05	rnd 2	type Rapid	result 1
		Opponent Mujokoro, T (Takudzwa)				Opponent Sehonyela, I (Indiphile)
2	1	Tournament 2022 Central District Individual Trials				Tournament 2022 Central District Individual Trials
		date 2022-03-05	rnd 4	type Rapid	result 1	date 2022-03-05	rnd 4	type Rapid	result 1
		Opponent Sehonyela, E (Endinakho)				Opponent Sehonyela, E (Endinakho)

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	Ntabeni ,P (Phelisa)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Ntabeni ,P (Phelisa)	3	1330.9	905.9	3	1304.4	905.9	0	0	0	0	0	0
2	Vermeulen ,I (Inge)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Vermeulen ,I (Inge)	2	1179.1	754.1	2	1193.9	754.1	0	0	0	0	0	0
3	Van Harte ,K (Kaylee)	2	2	425	2	2	425	0	0	0	0	0	0
3	Van Harte ,K (Kaylee)	2	1180.3	1605.3	2	1172	1605.3	0	0	0	0	0	0
4	Macamba ,L (Liso)	2	1	0	2	1	0	0	0	0	0	0	0
4	Macamba ,L (Liso)	2	1426.1	1426.1	2	1410.3	1426.1	0	0	0	0	0	0
5	Du Buisson ,A (Ava)	2	1	0	2	1	0	0	0	0	0	0	0
5	Du Buisson ,A (Ava)	2	1243.9	1243.9	2	1250.6	1243.9	0	0	0	0	0	0
6	Ziegers ,Z (Zaskia)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Ziegers ,Z (Zaskia)	2	1322.1	897.1	2	1278.4	897.1	0	0	0	0	0	0
7	Siyo ,O (Owethu)	2	1	0	2	1	0	0	0	0	0	0	0
7	Siyo ,O (Owethu)	2	682.2	682.2	2	690	682.2	0	0	0	0	0	0
8	Sihamba ,S (Somila)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Sihamba ,S (Somila)	2	1277.8	852.8	2	1287.4	852.8	0	0	0	0	0	0
9	Vorster ,M (Milla)	2	1	0	2	1	0	0	0	0	0	0	0
9	Vorster ,M (Milla)	2	1102.1	1102.1	2	1124	1102.1	0	0	0	0	0	0
10	Williamson ,S (Sarah)	2	2	425	2	2	425	0	0	0	0	0	0
10	Williamson ,S (Sarah)	2	1155.1	1580.1	2	1119.6	1580.1	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

Hart-Davis, K (Katherine)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms