Chess South Africa Ratings Database

PLAYER PAGE

Personal

Donaldson, Z (Zainninossa)

Chess SA id

1120150289

FIDE id

Date of birth

2012-10-12 (U14)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-07-28

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1098.1	1109.5	1159.7	1200
Raw rating	1098.1	1109.5	1159.7	1200
Weighted rating	1093.3	1108	1154.1	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	191.7	188.6	175.6	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1098.1	1109.5	1159.7	1200
Analysis
Rating	1098.1	1109.5	1159.7	1200
Raw rating	1098.1	1109.5	1159.7	1200
Weighted rating	1093.3	1108	1154.1
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	191.7	188.6	175.6	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	1098.1	1109.5	1159.7	1200
New weighted rating	1093.1	1107.9	1153.8	1200
New weighted performance	0	0	0	0
Temp new rating	1098.1	1109.5	1159.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1098.1	1109.5	1159.7	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	16	11	5
	5	5	0
	0	0	0
	0	0	0
History	21	16	5

Games since
	Main 16	Standard 11		Rapid 5		Blitz 0
Gender	Male
Age group	U14
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-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	21	4	19.05	-263.1	1221.9	958.8
Standard	16	4	25	-212.5	1227.7	1015.2
Rapid	5	0	0	-425	1203.3	778.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1098.1	1109.5	1159.7	1200
2025-09-01	1098.1	1109.5	1159.7	1200
2025-08-01	1098.1	1109.5	1159.7	1200
2025-07-01	1098.1	1109.5	1159.7	1200
2025-06-01	1098.1	1109.5	1159.7	1200
2025-05-01	1098.1	1109.5	1159.7	1200
2025-04-01	1098.1	1109.5	1159.7	1200
2025-03-01	1098.1	1109.5	1159.7	1200
2025-02-01	1096.9	1109.4	1157.7	1200
2025-01-01	1065.4	1102.4	1113.6	1200
2024-12-01	1065.4	1102.4	1113.6	1200
2024-11-01	1065.4	1102.4	1113.6	1200
2024-10-01	1065.4	1102.4	1113.6	1200
2024-09-01	1065.4	1102.4	1113.6	1200
2024-08-01	1065.4	1102.4	1113.6	1200
2024-07-01	1111.7	1102.4	1200	1200
2024-06-01	1111.7	1102.4	1200	1200
2024-08-01	1111.7	1102.4	1200	1200
2024-04-01	1111.7	1102.4	1200	1200
2024-03-01	1146.9	1140.4	1200	1200
2024-02-01	1136.3	1122.8	1200	1200
2024-01-01	1136.3	1122.8	1200	1200
2023-12-01	1136.3	1122.8	1200	1200
2023-11-01	1136.3	1122.8	1200	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	Metro South Top Schools 2024 (U13)	2024-07-27	2024-07-28	Rapid	Cape Town (WCT)	5	5	0	Yes	Analysis
2	Cape Town Metro Schools Chess Closed Individuals 2024 (U13 Girls)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	6	1.5	Yes	Analysis
3	District South Schools Chess Individual Trials 2024 (U13 Girls)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
4	District South Schools Chess Individual Trials 2023 (U11 Girls)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	5	0.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament District South Schools Chess Individual Trials 2024				Tournament District South Schools Chess Individual Trials 2024
		date 2024-02-03	rnd 2	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Jones, H (Haylee)				Opponent Marcus, I (Ibtihaaj)
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 5	type Standard	result 1	date 2024-03-03	rnd 5	type Standard	result 1
		Opponent Qoto, A (Asange)				Opponent Qoto, A (Asange)
3	1	Tournament Cape Town Metro Schools Chess Closed Individuals 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-03-02	rnd 2	type Standard	result 0.5	date 2024-03-02	rnd 2	type Standard	result 0.5
		Opponent Opperman, L (Larah)				Opponent Opperman, L (Larah)

#	Games	Start				End
1	2	Tournament District South Schools Chess Individual Trials 2024				Tournament District South Schools Chess Individual Trials 2024
		date 2024-02-03	rnd 2	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Jones, H (Haylee)				Opponent Marcus, I (Ibtihaaj)
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 5	type Standard	result 1	date 2024-03-03	rnd 5	type Standard	result 1
		Opponent Qoto, A (Asange)				Opponent Qoto, A (Asange)
3	1	Tournament Cape Town Metro Schools Chess Closed Individuals 2024				Tournament Cape Town Metro Schools Chess Closed Individuals 2024
		date 2024-03-02	rnd 2	type Standard	result 0.5	date 2024-03-02	rnd 2	type Standard	result 0.5
		Opponent Opperman, L (Larah)				Opponent Opperman, L (Larah)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament District South Schools Chess Individual Trials 2024				Tournament District South Schools Chess Individual Trials 2024
		date 2024-02-03	rnd 2	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Jones, H (Haylee)				Opponent Marcus, I (Ibtihaaj)
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 5	type Standard	result 1	date 2024-03-03	rnd 5	type Standard	result 1
		Opponent Qoto, A (Asange)				Opponent Qoto, A (Asange)

#	Games	Start				End
1	2	Tournament District South Schools Chess Individual Trials 2024				Tournament District South Schools Chess Individual Trials 2024
		date 2024-02-03	rnd 2	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Jones, H (Haylee)				Opponent Marcus, I (Ibtihaaj)
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 5	type Standard	result 1	date 2024-03-03	rnd 5	type Standard	result 1
		Opponent Qoto, A (Asange)				Opponent Qoto, A (Asange)

No games found.

#	Games	Start				End

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	Johannes ,Z (Zoe)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Johannes ,Z (Zoe)	1	1166	741	1	1182	741	0	0	0	0	0	0
2	Mpehlo ,L (Liyakheka)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Mpehlo ,L (Liyakheka)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Xabadiya ,N (Nizibone)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Xabadiya ,N (Nizibone)	1	1137.6	712.6	1	1128.4	712.6	0	0	0	0	0	0
4	Maylam ,J (Jodi)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Maylam ,J (Jodi)	1	1461.8	1036.8	1	1484.6	1036.8	0	0	0	0	0	0
5	Diedericks ,C (Caylah)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Diedericks ,C (Caylah)	1	1231.6	806.6	1	1230.6	806.6	0	0	0	0	0	0
6	Gierdien ,H (Hanifa)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Gierdien ,H (Hanifa)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
7	Khuphwathea ,L (Lucy)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Khuphwathea ,L (Lucy)	1	1228.9	803.9	1	1228.4	803.9	0	0	0	0	0	0
8	Gierdien ,H (Huda)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Gierdien ,H (Huda)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Opperman ,L (Larah)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Opperman ,L (Larah)	1	1211.6	1211.6	1	1220.4	1211.6	0	0	0	0	0	0
10	Jones ,H (Haylee)	1	1	425	1	1	425	0	0	0	0	0	0
10	Jones ,H (Haylee)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Donaldson, Z (Zainninossa)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms