Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ellis, CE (Catherine Elizabeth)

Chess SA id

207052763

FIDE id

Date of birth

2007-05-10 (U20)

Gender

Female

Region

Dr Kenneth Kaunda (NWP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-09-14

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1358.1	1360	954.8	879.6
Raw rating	1358.1	1360	954.8	879.6
Weighted rating	1354.2	1355	954.8	879.6
Weighted performance	1108.2	1109.2	0	0
Floor	864.8	862.5	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	132.4	132	235.1	261.7
Highest rating	1377.1 2022-08-01	1377.7 2022-08-01	1200 2018-02-01	1200 2024-03-01
Highest raw rating	1364.8 2023-04-01	1362.5 2022-09-01	954.8 2024-03-01	879.6 2024-03-01
Highest weighted rating	1353.2 2025-08-01	1353.7 2025-08-01	954.8 2024-11-01	879.6 2024-11-01
Highest weighted performance	1377.1 2022-08-01	1377.7 2022-08-01	1200 2018-02-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1358.1	1360	954.8	879.6
Analysis
Rating	1358.1	1360	954.8	879.6
Raw rating	1358.1	1360	954.8	879.6
Weighted rating	1354.2	1355	954.8
Weighted performance	1108.2	1109.2	0
K-factor	36	36	40	40
Floor	864.8	862.5	500	500
Max/Min rating change allowed	132.4	132	235.1	261.7
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	1358.1	1360	954.8	879.6
New weighted rating	1354.7	1355.7	954.8	879.6
New weighted performance	1107.8	1108.8	0	0
Temp new rating	1358.1	1360	954.8	879.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1358.1	1360	954.8	879.6
New K-factor	36	36	40	40
New floor	864.8	862.5	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	13	13	0
	19	19	0
	26	26	0
	4	4	0
History	369	354	15

Games since
	Main 13	Standard 13		Rapid 0		Blitz 0
Gender	Female
Age group	U20
Region	Dr Kenneth Kaunda (NWP)
Province	Northwest (NW)
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	157	87.5	55.73	48.7	1155.2	1203.9
Standard	147	80.5	54.76	40.5	1169.3	1209.7
Rapid	10	7	70	170	948	1118
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1358.1	1360	954.8	879.6
2025-09-01	1358.1	1360	954.8	879.6
2025-08-01	1358.1	1360	954.8	879.6
2025-07-01	1358.1	1360	954.8	879.6
2025-06-01	1358.1	1360	954.8	879.6
2025-05-01	1358.1	1360	954.8	879.6
2025-04-01	1358.1	1360	954.8	879.6
2025-03-01	1358.1	1360	954.8	879.6
2025-02-01	1358.1	1360	954.8	879.6
2025-01-01	1358.1	1360	954.8	879.6
2024-12-01	1358.1	1360	954.8	879.6
2024-11-01	1358.1	1360	954.8	879.6
2024-10-01	1358.1	1360	954.8	879.6
2024-09-01	1337.5	1334.4	954.8	879.6
2024-08-01	1337.5	1334.4	954.8	879.6
2024-07-01	1337.5	1334.4	954.8	879.6
2024-06-01	1337.5	1334.4	954.8	879.6
2024-08-01	1337.5	1334.4	954.8	879.6
2024-04-01	1337.5	1334.4	954.8	879.6
2024-03-01	1341.7	1339.8	954.8	879.6
2024-02-01	1341.7	1339.8	954.8	879.6
2024-01-01	1361	1358.5	954.8	879.6
2023-12-01	1361	1358.5	954.8	879.6
2023-11-01	1361	1358.5	954.8	879.6

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	DR KKD Mooirivier Trials 2024 (U18)	2024-09-14	2024-09-14	Standard	Dr Kenneth Kaunda (NWP)	5	4	2.5	Yes	Analysis
2	DR KKD Ferdies Mar 2024 (B)	2024-03-02	2024-03-02	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
3	2024 Gauteng Inter-Region Chess Championship (U20 Open+Girls)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
4	DR KKD Trials 2023 (U18+U20)	2023-09-02	2023-09-02	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
5	Dr Kenneth Kaunda Volkies 2023 (A+B)	2023-06-10	2023-06-10	Standard	Dr Kenneth Kaunda (NWP)	5	5	2	Yes	Analysis
6	Dr KKD NG Goudkop 2023 (B)	2023-03-18	2023-03-18	Standard	Dr Kenneth Kaunda (NWP)	5	4	2.5	Yes	Analysis
7	Dr. Kenneth Kaunda Saamtrek 2023 (U18)	2023-02-04	2023-02-04	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
8	2022 South African Junior Team Chess Championships (U14-U18 Girls)	2022-12-04	2022-12-08	Standard	4 Knights (4K)	7	6	4	Yes	Analysis
9	Dr. KKD SAJCC Trials September 2022 (U16)	2022-09-03	2022-09-03	Standard	Dr Kenneth Kaunda (NWP)	5	5	1	Yes	Analysis
10	Dr. KKD Volkskool 2022 (U16)	2022-08-20	2022-08-20	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
11	Bailie Park Potchefstroom 2022 (U14+U16)	2022-06-04	2022-06-04	Standard	Dr Kenneth Kaunda (NWP)	5	5	4	Yes	Analysis
12	Ferdinand Postma Potchefstroom 2022 (B)	2022-04-09	2022-04-09	Standard	Dr Kenneth Kaunda (NWP)	5	5	4	Yes	Analysis
13	Volkskool Proewe 2021 (U20)	2021-10-30	2021-10-30	Standard	Dr Kenneth Kaunda (NWP)	5	4	2	Yes	Analysis
14	Die Wilge 2020 (U14)	2020-03-14	2020-03-14	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
15	Wesvalia 2020 (B)	2020-02-15	2020-02-15	Standard	Dr Kenneth Kaunda (NWP)	5	5	2	Yes	Analysis
16	2019 South African Junior Team Championships (U14C)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	1.5	Yes	Analysis
17	Matlosana Mall 2019 (B)	2019-10-04	2019-10-04	Standard	Dr Kenneth Kaunda (NWP)	5	5	2	Yes	Analysis
18	Proewe 2019 (U14)	2019-08-03	2019-08-03	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
19	2019 Super 12 Laerskole (Seniors)	2019-05-04	2019-05-04	Rapid	Tshwane (GTP)	5	5	5	Yes	Analysis
20	Volkies 2019 (B)	2019-05-11	2019-05-11	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
21	2019 Hervormde Kerk (U14)	2019-03-09	2019-03-09	Standard	Dr Kenneth Kaunda (NWP)	5	5	4	Yes	Analysis
22	Volkskool 2019 (U14)	2019-02-02	2019-02-02	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
23	South African Junior Team Championships 2018 (U12B Girls)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	6	2	Yes	Analysis
24	Matlosana Mall 2018 (C)	2018-10-20	2018-10-20	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
25	Boys and Girls 2018 (U12 Girls)	2018-08-25	2018-08-25	Standard	Dr Kenneth Kaunda (NWP)	5	5	4	Yes	Analysis
26	Driefontein Proewe 2018 (O12 Dogters)	2018-07-28	2018-07-28	Standard	Dr Kenneth Kaunda (NWP)	5	5	4	Yes	Analysis
27	2018 Super 12 (Senior)	2018-05-05	2018-05-05	Rapid	Tshwane (GTP)	5	5	2	Yes	Analysis
28	Volkies 2018 (U12)	2018-05-12	2018-05-12	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
29	Hervormde Kerk 2018 (U12)	2018-04-21	2018-04-21	Standard	Dr Kenneth Kaunda (NWP)	5	5	4	Yes	Analysis
30	Laerskool Volkskool 2018 (C)	2018-02-03	2018-02-03	Standard	Dr Kenneth Kaunda (NWP)	5	5	2	Yes	Analysis
31	South African Junior Team Championships 2017 (U12A)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	2	Yes	Analysis

#	Games	Start				End
1	10	Tournament 2019 Hervormde Kerk				Tournament 2019 Super 12 Laerskole
		date 2019-03-09	rnd 1	type Standard	result 1	date 2019-05-04	rnd 5	type Rapid	result 1
		Opponent Lesupi, L (Lessedi)				Opponent Odendaal, Z (Zandri)
2	5	Tournament Volkskool Proewe 2021				Tournament Ferdinand Postma Potchefstroom 2022
		date 2021-10-30	rnd 3	type Standard	result 1	date 2022-04-09	rnd 3	type Standard	result 1
		Opponent Goede, K (Kari)				Opponent Fouche, H (Heinrich)
3	5	Tournament Boys and Girls 2018				Tournament Matlosana Mall 2018
		date 2018-08-25	rnd 5	type Standard	result 1	date 2018-10-20	rnd 4	type Standard	result 1
		Opponent Morake, O (Orefile)				Opponent Ntshangase, N (Nkululeko)

#	Games	Start				End
1	5	Tournament Volkskool Proewe 2021				Tournament Ferdinand Postma Potchefstroom 2022
		date 2021-10-30	rnd 3	type Standard	result 1	date 2022-04-09	rnd 3	type Standard	result 1
		Opponent Goede, K (Kari)				Opponent Fouche, H (Heinrich)
2	5	Tournament 2019 Hervormde Kerk				Tournament 2019 Hervormde Kerk
		date 2019-03-09	rnd 1	type Standard	result 1	date 2019-03-09	rnd 5	type Standard	result 0.5
		Opponent Lesupi, L (Lessedi)				Opponent Van Straaten, MJ (Matthys)
3	5	Tournament Boys and Girls 2018				Tournament Matlosana Mall 2018
		date 2018-08-25	rnd 5	type Standard	result 1	date 2018-10-20	rnd 4	type Standard	result 1
		Opponent Morake, O (Orefile)				Opponent Ntshangase, N (Nkululeko)

#	Games	Start				End
1	5	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 1	type Rapid	result 1	date 2019-05-04	rnd 5	type Rapid	result 1
		Opponent Louw, R (Ricardo)				Opponent Odendaal, Z (Zandri)
2	2	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 3	type Rapid	result 1	date 2018-05-05	rnd 4	type Rapid	result 1
		Opponent Nwadi, FK (Franklin)				Opponent Van Wyk, L (Leo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Volkskool Proewe 2021				Tournament Ferdinand Postma Potchefstroom 2022
		date 2021-10-30	rnd 3	type Standard	result 1	date 2022-04-09	rnd 3	type Standard	result 1
		Opponent Goede, K (Kari)				Opponent Fouche, H (Heinrich)
2	5	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 1	type Rapid	result 1	date 2019-05-04	rnd 5	type Rapid	result 1
		Opponent Louw, R (Ricardo)				Opponent Odendaal, Z (Zandri)
3	5	Tournament Driefontein Proewe 2018				Tournament Boys and Girls 2018
		date 2018-07-28	rnd 4	type Standard	result 1	date 2018-08-25	rnd 3	type Standard	result 1
		Opponent Van Der Westhuizen, A (Annemarie)				Opponent Van Zyl, M (Mischka)

#	Games	Start				End
1	5	Tournament Volkskool Proewe 2021				Tournament Ferdinand Postma Potchefstroom 2022
		date 2021-10-30	rnd 3	type Standard	result 1	date 2022-04-09	rnd 3	type Standard	result 1
		Opponent Goede, K (Kari)				Opponent Fouche, H (Heinrich)
2	5	Tournament Driefontein Proewe 2018				Tournament Boys and Girls 2018
		date 2018-07-28	rnd 4	type Standard	result 1	date 2018-08-25	rnd 3	type Standard	result 1
		Opponent Van Der Westhuizen, A (Annemarie)				Opponent Van Zyl, M (Mischka)
3	5	Tournament Laerskool Volkskool 2018				Tournament Hervormde Kerk 2018
		date 2018-02-03	rnd 5	type Standard	result 1	date 2018-04-18	rnd 4	type Standard	result 1
		Opponent Hattingh, JH (Johannes)				Opponent Van Der Westhuizen, A (Annemarie)

#	Games	Start				End
1	5	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 1	type Rapid	result 1	date 2019-05-04	rnd 5	type Rapid	result 1
		Opponent Louw, R (Ricardo)				Opponent Odendaal, Z (Zandri)
2	2	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 3	type Rapid	result 1	date 2018-05-05	rnd 4	type Rapid	result 1
		Opponent Nwadi, FK (Franklin)				Opponent Van Wyk, L (Leo)

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	Goede ,K (Kari)	6	5	283.3	6	5	283.3	0	0	0	0	0	0
1	Goede ,K (Kari)	6	1268.5	1551.9	6	1259.2	1551.9	0	0	0	0	0	0
2	Molusi ,K (Katlego)	5	1	-255	5	1	-255	0	0	0	0	0	0
2	Molusi ,K (Katlego)	5	1357.5	1102.5	5	1359.5	1102.5	0	0	0	0	0	0
3	Fourie ,Q (Quewen)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
3	Fourie ,Q (Quewen)	4	1083.3	870.8	4	1081.7	870.8	0	0	0	0	0	0
4	Monchosi ,A (Atlegang)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
4	Monchosi ,A (Atlegang)	4	1320.7	1108.2	4	1326.1	1108.2	0	0	0	0	0	0
5	Fouche ,H (Heinrich)	4	2	0	4	2	0	0	0	0	0	0	0
5	Fouche ,H (Heinrich)	4	1328.2	1328.2	4	1314.8	1328.2	0	0	0	0	0	0
6	Van Der Westhuizen ,A (Annemarie)	4	3	212.5	4	3	212.5	0	0	0	0	0	0
6	Van Der Westhuizen ,A (Annemarie)	4	1108.2	1320.7	4	1110.2	1320.7	0	0	0	0	0	0
7	Van Straaten ,MJ (Matthys Jacobus)	4	1.5	-106.2	4	1.5	-106.2	0	0	0	0	0	0
7	Van Straaten ,MJ (Matthys Jacobus)	4	979.4	873.1	4	981.2	873.1	0	0	0	0	0	0
8	Hattingh ,JH (Johannes)	4	2	0	4	2	0	0	0	0	0	0	0
8	Hattingh ,JH (Johannes)	4	1106.2	1106.2	4	1112.4	1106.2	0	0	0	0	0	0
9	Viljoen ,J (Jaden)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
9	Viljoen ,J (Jaden)	3	1267	983.7	3	1257.2	983.7	0	0	0	0	0	0
10	Molefe ,LM (Lord Motheo)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
10	Molefe ,LM (Lord Motheo)	3	1217.5	1359.2	3	1218.8	1359.2	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

Ellis, CE (Catherine Elizabeth)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms