Chess South Africa Ratings Database

PLAYER PAGE

Personal

Johannes, Z (Zoe)

Chess SA id

2120147459

FIDE id

Date of birth

2012-06-20 (U14)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-03-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1168	1179.9	1144	1200
Raw rating	1168	1179.9	1144	1200
Weighted rating	1167.9	1179.9	1144	1200
Weighted performance	848.4	0	0	0
Floor	700	703.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	173.6	170.6	179.6	165.8
Highest rating	1200 2018-10-01	1214 2023-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1203.6 2023-03-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1203.6 2023-03-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1214 2023-02-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1168	1179.9	1144	1200
Analysis
Rating	1168	1179.9	1144	1200
Raw rating	1168	1179.9	1144	1200
Weighted rating	1167.9	1179.9	1144
Weighted performance	848.4	0	0
K-factor	36	36	36	36
Floor	700	703.6	700	700
Max/Min rating change allowed	173.6	170.6	179.6	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	1168	1179.9	1144	1200
New weighted rating	1167.9	1179.9	1144	1200
New weighted performance	841.7	0	0	0
Temp new rating	1168	1179.9	1144	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1168	1179.9	1144	1200
New K-factor	36	36	36	36
New floor	700	703.6	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	10	10	0
	12	12	0
	10	0	10
	0	0	0
History	32	22	10

Games since
	Main 10	Standard 10		Rapid 0		Blitz 0
Gender	Female
Age group	U14
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 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	32	13	40.62	-79.7	1221.8	1142.1
Standard	22	9.5	43.18	-58	1222.3	1164.4
Rapid	10	3.5	35	-127.5	1220.7	1093.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1168	1179.9	1144	1200
2025-09-30	1168	1179.9	1144	1200
2025-09-01	1168	1179.9	1144	1200
2025-08-01	1168	1179.9	1144	1200
2025-07-01	1168	1179.9	1144	1200
2025-06-01	1168	1179.9	1144	1200
2025-05-01	1168	1179.9	1144	1200
2025-04-01	1168	1179.9	1144	1200
2025-03-01	1168	1179.9	1144	1200
2025-02-01	1168	1179.9	1144	1200
2025-01-01	1168	1179.8	1144	1200
2024-12-01	1168	1179.8	1144	1200
2024-11-01	1168	1179.8	1144	1200
2024-10-01	1168	1179.8	1144	1200
2024-09-01	1168	1179.8	1144	1200
2024-08-01	1168	1179.8	1144	1200
2024-07-01	1168	1179.8	1144	1200
2024-09-01	1168	1179.8	1144	1200
2024-05-01	1168	1179.8	1144	1200
2024-04-01	1168	1179.8	1144	1200
2024-03-01	1166	1182	1144	1200
2024-02-01	1163	1179.8	1144	1200
2024-01-01	1163	1179.8	1144	1200
2023-12-01	1163	1179.8	1144	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	Cape Town Metro Schools Chess Closed Individuals 2024 (U13 Girls)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
2	CT Metro Central District Schools Chess Individuals Trials 2024 (U13 Girls)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	4	2	Yes	Analysis
3	Cape Town Metro Schools Chess Closed Individuals 2023 (U11 Girls)	2023-03-03	2023-03-04	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
4	Central District School Trials 2023 (U11 Girls)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
5	Kenridge Rapid 2022 (U12)	2022-11-05	2022-11-05	Rapid	Cape Town (WCT)	6	5	1.5	Yes	Analysis
6	Metro Rapid 2022 (U11 Girls)	2022-10-22	2022-10-22	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2023-03-04	rnd 4	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Ndesi, T (Talitha)				Opponent Koen, J (Jeanne)
2	3	Tournament Cape Town Metro Schools Chess Closed Individuals 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-03-03	rnd 4	type Standard	result 1	date 2024-03-03	rnd 6	type Standard	result 1
		Opponent Opperman, L (Larah)				Opponent Donaldson, Z (Zainninossa)
3	3	Tournament Kenridge Rapid 2022				Tournament Central District School Trials 2023
		date 2022-11-05	rnd 5	type Rapid	result 0.5	date 2023-02-03	rnd 1	type Standard	result 1
		Opponent Grobler, H (Heath)				Opponent Mokhutle, T (Tshiamo)

#	Games	Start				End
1	5	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2023-03-04	rnd 4	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Ndesi, T (Talitha)				Opponent Koen, J (Jeanne)
2	3	Tournament Cape Town Metro Schools Chess Closed Individuals 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-03-03	rnd 4	type Standard	result 1	date 2024-03-03	rnd 6	type Standard	result 1
		Opponent Opperman, L (Larah)				Opponent Donaldson, Z (Zainninossa)
3	1	Tournament Central District School Trials 2023				Tournament Central District School Trials 2023
		date 2023-02-04	rnd 6	type Standard	result 1	date 2023-02-04	rnd 6	type Standard	result 1
		Opponent Isaacs, H (Hajaar)				Opponent Isaacs, H (Hajaar)

#	Games	Start				End
1	3	Tournament Metro Rapid 2022				Tournament Metro Rapid 2022
		date 2022-10-22	rnd 3	type Rapid	result 1	date 2022-10-22	rnd 5	type Rapid	result 0.5
		Opponent Bezuidenhout, C (Chloe)				Opponent Spinnler, E (Elizabeth Hendrina)
2	2	Tournament Kenridge Rapid 2022				Tournament Kenridge Rapid 2022
		date 2022-11-05	rnd 5	type Rapid	result 0.5	date 2022-11-05	rnd 6	type Rapid	result 1
		Opponent Grobler, H (Heath)				Opponent Harding, J (Jodie)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament CT Metro Central District Schools Chess Individuals Trials 2024				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Williams, A (Azraa)				Opponent Koen, J (Jeanne)
2	2	Tournament Kenridge Rapid 2022				Tournament Central District School Trials 2023
		date 2022-11-05	rnd 6	type Rapid	result 1	date 2023-02-03	rnd 1	type Standard	result 1
		Opponent Harding, J (Jodie)				Opponent Mokhutle, T (Tshiamo)
3	1	Tournament Cape Town Metro Schools Chess Closed Individuals 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-03-03	rnd 6	type Standard	result 1	date 2024-03-03	rnd 6	type Standard	result 1
		Opponent Donaldson, Z (Zainninossa)				Opponent Donaldson, Z (Zainninossa)

#	Games	Start				End
1	2	Tournament CT Metro Central District Schools Chess Individuals Trials 2024				Tournament CT Metro Central District Schools Chess Individuals Trials 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Williams, A (Azraa)				Opponent Koen, J (Jeanne)
2	1	Tournament Cape Town Metro Schools Chess Closed Individuals 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-03-03	rnd 6	type Standard	result 1	date 2024-03-03	rnd 6	type Standard	result 1
		Opponent Donaldson, Z (Zainninossa)				Opponent Donaldson, Z (Zainninossa)
3	1	Tournament Cape Town Metro Schools Chess Closed Individuals 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-03-03	rnd 4	type Standard	result 1	date 2024-03-03	rnd 4	type Standard	result 1
		Opponent Opperman, L (Larah)				Opponent Opperman, L (Larah)

#	Games	Start				End
1	1	Tournament Kenridge Rapid 2022				Tournament Kenridge Rapid 2022
		date 2022-11-05	rnd 6	type Rapid	result 1	date 2022-11-05	rnd 6	type Rapid	result 1
		Opponent Harding, J (Jodie)				Opponent Harding, J (Jodie)
2	1	Tournament Metro Rapid 2022				Tournament Metro Rapid 2022
		date 2022-10-22	rnd 3	type Rapid	result 1	date 2022-10-22	rnd 3	type Rapid	result 1
		Opponent Bezuidenhout, C (Chloe)				Opponent Bezuidenhout, C (Chloe)

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	Iuzhakova ,H (Heidi)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Iuzhakova ,H (Heidi)	2	1262.6	837.6	2	1255.7	837.6	0	0	0	0	0	0
2	Soeker ,E (Emaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Soeker ,E (Emaan)	1	1205	780	1	1208.4	780	0	0	0	0	0	0
3	Mokhutle ,T (Tshiamo)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mokhutle ,T (Tshiamo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Koen ,J (Jeanne)	1	1	425	1	1	425	0	0	0	0	0	0
4	Koen ,J (Jeanne)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Ndesi ,T (Talitha)	1	1	425	1	1	425	0	0	0	0	0	0
5	Ndesi ,T (Talitha)	1	1213.6	1638.6	1	1212	1638.6	0	0	0	0	0	0
6	Opperman ,L (Larah)	1	1	425	1	1	425	0	0	0	0	0	0
6	Opperman ,L (Larah)	1	1211.6	1636.6	1	1220.4	1636.6	0	0	0	0	0	0
7	Xintolo ,A (Anaso)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Xintolo ,A (Anaso)	1	1207.5	782.5	1	1223.4	782.5	0	0	0	0	0	0
8	Hagen ,S (Sophia)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Hagen ,S (Sophia)	1	1513.2	1088.2	1	1453.2	1088.2	0	0	0	0	0	0
9	Krige ,Z (Zara)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Krige ,Z (Zara)	1	1212.6	1212.6	1	1230.3	1212.6	0	0	0	0	0	0
10	Donaldson ,Z (Zainninossa)	1	1	425	1	1	425	0	0	0	0	0	0
10	Donaldson ,Z (Zainninossa)	1	1146.9	1571.9	1	1140.4	1571.9	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

Johannes, Z (Zoe)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms