Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mthembu, Z (Zoya)

Chess SA id

2150154340

FIDE id

Date of birth

2015-02-20 (U12)

Gender

Female

Region

Ethekwini (KED)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1137.7	1200	1086.9	1200
Raw rating	1105.1	1200	1034.7	1200
Weighted rating	1137.7	1200	1086.9	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	189.8	165.8	209.8	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 2024-02-01	1200 2019-12-01	1200 2024-02-01
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 2024-02-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-2.7	0	-4.3	0
New rating	1135.1	1200	1082.6	1200
Analysis
Rating	1137.7	1200	1086.9	1200
Raw rating	1105.1	1200	1034.7	1200
Weighted rating	1137.7	1200	1086.9
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	189.8	165.8	209.8	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	1105.1	1200	1034.7	1200
New weighted rating	1135.1	1200	1082.6	1200
New weighted performance	0	0	0	0
Temp new rating	1135.1	1200	1082.6	1200
Temp new rating +/-	-2.7	0	-4.3	0
Final new rating +/-	-2.7	0	-4.3	0
New rating	1135.1	1200	1082.6	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Rapid
	0	0
	4	4
	0	0
	17	17
	0	0
	0	0
History	21	21

Games since
	Main 4	Standard 0		Rapid 4		Blitz 0
Gender	Female
Age group	U12
Region	Ethekwini (KED)
Province	KwaZulu Natal (KZ)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 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	4	0	0	-425	1187.8	762.8
Standard	0	0	0	0	0	0
Rapid	4	0	0	-425	1187.8	762.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	21	5	23.81	-222.6	1194.7	972.1
Standard	0	0	0	0	0	0
Rapid	21	5	23.81	-222.6	1194.7	972.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1105.1	1200	1034.7	1200
2025-09-30	1141.5	1200	1093	1200
2025-09-01	1141.5	1200	1093	1200
2025-08-01	1141.5	1200	1093	1200
2025-07-01	1141.5	1200	1093	1200
2025-06-01	1141.5	1200	1093	1200
2025-05-01	1141.5	1200	1093	1200
2025-04-01	1141.5	1200	1093	1200
2025-03-01	1141.5	1200	1093	1200
2025-02-01	1141.5	1200	1093	1200
2025-01-01	1139.1	1200	1088.8	1200
2024-12-01	1139.1	1200	1088.8	1200
2024-11-01	1139.1	1200	1088.8	1200
2024-10-01	1139.1	1200	1088.8	1200
2024-09-01	1139.1	1200	1088.8	1200
2024-08-01	1139.1	1200	1088.8	1200
2024-07-01	1139.1	1200	1088.8	1200
2024-09-01	1139.1	1200	1088.8	1200
2024-05-01	1139.1	1200	1088.8	1200
2024-04-01	1139.1	1200	1088.8	1200
2024-03-01	1139.1	1200	1088.8	1200
2024-02-01	1139.1	1200	1088.8	1200
2024-01-01	1139.1	1200	1088.8	1200
2023-12-01	1139.1	1200	1088.8	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	2025 St James Primary School Rapid (Senior Primary)	2025-10-18	2025-10-18	Rapid	Ethekwini (KED)	5	4	0	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 St James Primary School Rapid (Senior Primary)	2025-10-18	2025-10-18	Rapid	Ethekwini (KED)	5	4	0	Yes	Analysis
2	St James Rapid Rated Tournament 2023 (Junior)	2023-08-26	2023-08-26	Rapid	Ethekwini (KED)	5	5	1	Yes	Analysis
3	Crawford La lucia Rapid Chess Tournament 2023 (Junior)	2023-07-22	2023-07-22	Rapid	Ethekwini (KED)	6	6	1	Yes	Analysis
4	Westville Senior Primary School Individual Invitational Chess Tournament 2023 (Junior Primary)	2023-04-22	2023-04-22	Rapid	Ethekwini (KED)	7	6	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023				Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023
		date 2023-04-22	rnd 4	type Rapid	result 1	date 2023-04-22	rnd 5	type Rapid	result 1
		Opponent Ganesh, T (Thamiya)				Opponent Rooplal-Govender, A (Aditi)
2	1	Tournament St James Rapid Rated Tournament 2023				Tournament St James Rapid Rated Tournament 2023
		date 2023-08-26	rnd 3	type Rapid	result 1	date 2023-08-26	rnd 3	type Rapid	result 1
		Opponent Ganesh, T (Thamiya)				Opponent Ganesh, T (Thamiya)
3	1	Tournament Crawford La lucia Rapid Chess Tournament 2023				Tournament Crawford La lucia Rapid Chess Tournament 2023
		date 2023-07-22	rnd 4	type Rapid	result 1	date 2023-07-22	rnd 4	type Rapid	result 1
		Opponent Chonco, H (Hlelo)				Opponent Chonco, H (Hlelo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023				Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023
		date 2023-04-22	rnd 4	type Rapid	result 1	date 2023-04-22	rnd 5	type Rapid	result 1
		Opponent Ganesh, T (Thamiya)				Opponent Rooplal-Govender, A (Aditi)
2	1	Tournament St James Rapid Rated Tournament 2023				Tournament St James Rapid Rated Tournament 2023
		date 2023-08-26	rnd 3	type Rapid	result 1	date 2023-08-26	rnd 3	type Rapid	result 1
		Opponent Ganesh, T (Thamiya)				Opponent Ganesh, T (Thamiya)
3	1	Tournament Crawford La lucia Rapid Chess Tournament 2023				Tournament Crawford La lucia Rapid Chess Tournament 2023
		date 2023-07-22	rnd 4	type Rapid	result 1	date 2023-07-22	rnd 4	type Rapid	result 1
		Opponent Chonco, H (Hlelo)				Opponent Chonco, H (Hlelo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023				Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023
		date 2023-04-22	rnd 4	type Rapid	result 1	date 2023-04-22	rnd 5	type Rapid	result 1
		Opponent Ganesh, T (Thamiya)				Opponent Rooplal-Govender, A (Aditi)
2	1	Tournament St James Rapid Rated Tournament 2023				Tournament St James Rapid Rated Tournament 2023
		date 2023-08-26	rnd 3	type Rapid	result 1	date 2023-08-26	rnd 3	type Rapid	result 1
		Opponent Ganesh, T (Thamiya)				Opponent Ganesh, T (Thamiya)
3	1	Tournament Crawford La lucia Rapid Chess Tournament 2023				Tournament Crawford La lucia Rapid Chess Tournament 2023
		date 2023-07-22	rnd 4	type Rapid	result 1	date 2023-07-22	rnd 4	type Rapid	result 1
		Opponent Chonco, H (Hlelo)				Opponent Chonco, H (Hlelo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023				Tournament Westville Senior Primary School Individual Invitational Chess Tournament 2023
		date 2023-04-22	rnd 4	type Rapid	result 1	date 2023-04-22	rnd 5	type Rapid	result 1
		Opponent Ganesh, T (Thamiya)				Opponent Rooplal-Govender, A (Aditi)
2	1	Tournament St James Rapid Rated Tournament 2023				Tournament St James Rapid Rated Tournament 2023
		date 2023-08-26	rnd 3	type Rapid	result 1	date 2023-08-26	rnd 3	type Rapid	result 1
		Opponent Ganesh, T (Thamiya)				Opponent Ganesh, T (Thamiya)
3	1	Tournament Crawford La lucia Rapid Chess Tournament 2023				Tournament Crawford La lucia Rapid Chess Tournament 2023
		date 2023-07-22	rnd 4	type Rapid	result 1	date 2023-07-22	rnd 4	type Rapid	result 1
		Opponent Chonco, H (Hlelo)				Opponent Chonco, H (Hlelo)

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	Ganesh ,T (Thamiya)	2	2	425	0	0	0	2	2	425	0	0	0
1	Ganesh ,T (Thamiya)	2	1167.2	1592.2	0	0	0	2	1145.3	1592.2	0	0	0
2	Gareeb ,S (Shridar)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Gareeb ,S (Shridar)	1	1200	775	0	0	0	1	1200	775	0	0	0
3	Janse Van Rensburg ,A (Axon)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Janse Van Rensburg ,A (Axon)	1	1218.5	793.5	0	0	0	1	1232.8	793.5	0	0	0
4	Memela ,L (Lungelo)	1	0	-425	0	0	0	1	0	-425	0	0	0
4	Memela ,L (Lungelo)	1	1214	789	0	0	0	1	1218.4	789	0	0	0
5	Ngcongo ,L (Lwandile)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Ngcongo ,L (Lwandile)	1	1159.1	734.1	0	0	0	1	1191.8	734.1	0	0	0
6	Ross ,L (Liam)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Ross ,L (Liam)	1	1200	775	0	0	0	1	1200	775	0	0	0
7	Paruk ,R (Raaiq)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Paruk ,R (Raaiq)	1	1200	775	0	0	0	1	1200	775	0	0	0
8	Chen ,K (Keziah)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Chen ,K (Keziah)	1	1187	762	0	0	0	1	1178.4	762	0	0	0
9	Naidoo ,S (Seth)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Naidoo ,S (Seth)	1	1178.3	753.3	0	0	0	1	1161.2	753.3	0	0	0
10	Alamchand ,A (Araav)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Alamchand ,A (Araav)	1	1200	775	0	0	0	1	1200	775	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Mthembu, Z (Zoya)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms