Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kotze, Z (Ziandre)

Chess SA id

2160153138

FIDE id

Date of birth

2016-10-04 (U10)

Gender

Female

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-18

Personal details last changed

1900-01-01

Junior GPX Games

14.5

Junior GPX Points

1134.5

Item	Main	Standard	Rapid	Blitz
Rating	1106	1164.6	1082.6	1200
Raw rating	1106	1164.6	1082.6	1200
Weighted rating	1086.5	1164.5	1057.3	1200
Weighted performance	1036.2	0	931.4	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	189.6	174.4	196	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 2019-12-01	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 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1106	1164.6	1082.6	1200
Analysis
Rating	1106	1164.6	1082.6	1200
Raw rating	1106	1164.6	1082.6	1200
Weighted rating	1086.5	1164.5	1057.3
Weighted performance	1036.2	0	931.4
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	189.6	174.4	196	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	1106	1164.6	1082.6	1200
New weighted rating	1088.8	1164.5	1060.8	1200
New weighted performance	1035.8	0	931.1	0
Temp new rating	1106	1164.6	1082.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1106	1164.6	1082.6	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	17	12	5
	12	1	11
	23	5	18
	0	0	0
	0	0	0
History	52	18	34

Games since
	Main 29	Standard 13		Rapid 16		Blitz 0
Gender	Female
Age group	U10
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U10	-1		-1		-1
U10 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	17	8	47.06	-25	1200.1	1175.1
Standard	12	5	41.67	-70.8	1213.9	1143.1
Rapid	5	3	60	85	1167.1	1252.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	52	16	30.77	-163.5	1192.6	1029.1
Standard	18	7	38.89	-94.4	1199.4	1105
Rapid	34	9	26.47	-200	1189	989
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1106	1164.6	1082.6	1200
2025-09-01	1106	1164.6	1082.6	1200
2025-08-01	1106	1164.6	1082.6	1200
2025-07-01	1106	1164.6	1082.6	1200
2025-06-01	1106	1164	1082.6	1200
2025-05-01	1112.7	1173.5	1082.6	1200
2025-04-01	1112.7	1173.5	1082.6	1200
2025-03-01	1088.6	1165	1082.6	1200
2025-02-01	1065.8	1164.9	1038.4	1200
2025-01-01	1063.9	1155.2	1038.4	1200
2024-12-01	1063.9	1155.2	1038.4	1200
2024-11-01	1063.9	1155.2	1038.4	1200
2024-10-01	1063.9	1155.2	1038.4	1200
2024-09-01	1069.5	1166.8	1038.4	1200
2024-08-01	1061.1	1166.8	1014	1200
2024-07-01	1061.1	1166.8	1014	1200
2024-06-01	1061.1	1166.8	1014	1200
2024-08-01	1061.1	1166.8	1014	1200
2024-04-01	1061.1	1166.8	1014	1200
2024-03-01	1061.1	1166.8	1014	1200
2024-02-01	1059.2	1166.8	990	1200
2024-01-01	1059.2	1166.8	990	1200
2023-12-01	1059.2	1166.8	990	1200
2023-11-01	1059.2	1166.8	990	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 Individual Championship 2025 (U9 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
2	West Coast Schools Chess Prestige 2025 (U9 Girls)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
3	Upper West Coast Presrige 2025 (U9 Girls)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools Individual Championship 2025 (U9 Girls)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
2	West Coast Schools Chess Prestige 2025 (U9 Girls)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
3	Upper West Coast Presrige 2025 (U9 Girls)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
4	Western Cape Top Schools Championship 2024 (U9 Girls)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	1	0	Yes	Analysis
5	Pedro Booyse Top Schools Championships 2024 (U7+U9)	2024-07-20	2024-07-20	Rapid	West Coast (WCU)	7	6	2.5	Yes	Analysis
6	Bo-Weskus Skole Prestige 2024 (O9 Dogters)	2024-02-10	2024-02-10	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
7	Western Cape Top Schools 2023 (U7 Mixed)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
8	Pedro Booyse Top Schools Round 2 2023 (U7+U9)	2023-08-22	2023-08-22	Rapid	West Coast (WCU)	5	4	0	Yes	Analysis
9	Pedro Booyse Top Schools 2023 (U7+U9)	2023-07-29	2023-07-29	Rapid	West Coast (WCU)	5	5	0	Yes	Analysis
10	Upper West Coast Top Schools Championship 2023 (U7-U11)	2023-06-10	2023-06-10	Rapid	West Coast (WCU)	5	4	0.5	Yes	Analysis
11	Bo-Weskus Skole Prestige 2023 (O7 Dogters)	2023-03-04	2023-03-04	Rapid	West Coast (WCU)	5	5	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Barnard, D (Danika)				Opponent Skippers, D (Devedene)
2	2	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Moos, L (Lillah)				Opponent Abrahams, A (Anchalee)
3	2	Tournament Pedro Booyse Top Schools Championships 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-07-20	rnd 2	type Rapid	result 0.5	date 2024-07-20	rnd 3	type Rapid	result 1
		Opponent Samson, J (Jamilah)				Opponent Galant, K (Kyle)

#	Games	Start				End
1	2	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Barnard, D (Danika)				Opponent Skippers, D (Devedene)
2	2	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 3	type Standard	result 1	date 2023-09-03	rnd 4	type Standard	result 1
		Opponent Pokwas, R (Raynicah)				Opponent Zaaiman, J (Jean)
3	1	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-18	rnd 5	type Standard	result 1	date 2025-05-18	rnd 5	type Standard	result 1
		Opponent Greyling, M (Miandri)				Opponent Greyling, M (Miandri)

#	Games	Start				End
1	2	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Moos, L (Lillah)				Opponent Abrahams, A (Anchalee)
2	2	Tournament Pedro Booyse Top Schools Championships 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-07-20	rnd 2	type Rapid	result 0.5	date 2024-07-20	rnd 3	type Rapid	result 1
		Opponent Samson, J (Jamilah)				Opponent Galant, K (Kyle)
3	2	Tournament Bo-Weskus Skole Prestige 2024				Tournament Bo-Weskus Skole Prestige 2024
		date 2024-02-10	rnd 1	type Rapid	result 1	date 2024-02-10	rnd 2	type Rapid	result 1
		Opponent Adonis, G (Gia)				Opponent Klaase, N (Nizeche)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Barnard, D (Danika)				Opponent Skippers, D (Devedene)
2	2	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Moos, L (Lillah)				Opponent Abrahams, A (Anchalee)
3	2	Tournament Bo-Weskus Skole Prestige 2024				Tournament Bo-Weskus Skole Prestige 2024
		date 2024-02-10	rnd 1	type Rapid	result 1	date 2024-02-10	rnd 2	type Rapid	result 1
		Opponent Adonis, G (Gia)				Opponent Klaase, N (Nizeche)

#	Games	Start				End
1	2	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Barnard, D (Danika)				Opponent Skippers, D (Devedene)
2	2	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 3	type Standard	result 1	date 2023-09-03	rnd 4	type Standard	result 1
		Opponent Pokwas, R (Raynicah)				Opponent Zaaiman, J (Jean)
3	1	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-05-18	rnd 5	type Standard	result 1	date 2025-05-18	rnd 5	type Standard	result 1
		Opponent Greyling, M (Miandri)				Opponent Greyling, M (Miandri)

#	Games	Start				End
1	2	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 3	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Moos, L (Lillah)				Opponent Abrahams, A (Anchalee)
2	2	Tournament Bo-Weskus Skole Prestige 2024				Tournament Bo-Weskus Skole Prestige 2024
		date 2024-02-10	rnd 1	type Rapid	result 1	date 2024-02-10	rnd 2	type Rapid	result 1
		Opponent Adonis, G (Gia)				Opponent Klaase, N (Nizeche)
3	1	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 1	type Rapid	result 1
		Opponent Nogubha, S (Sithembokuhle)				Opponent Nogubha, S (Sithembokuhle)

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	Joseph ,G (Granville)	3	0	-425	0	0	0	3	0	-425	0	0	0
1	Joseph ,G (Granville)	3	1228.7	803.7	0	0	0	3	1283.3	803.7	0	0	0
2	Da Camara ,I (Izabella)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Da Camara ,I (Izabella)	2	1192.6	767.6	1	1202.5	767.6	1	1198.6	767.6	0	0	0
3	Arinze ,K (Karmelithe)	2	0	-425	0	0	0	2	0	-425	0	0	0
3	Arinze ,K (Karmelithe)	2	1236.1	811.1	0	0	0	2	1268.8	811.1	0	0	0
4	Adonis ,G (Gia)	2	1	0	0	0	0	2	1	0	0	0	0
4	Adonis ,G (Gia)	2	1025.6	1025.6	0	0	0	2	1017.3	1025.6	0	0	0
5	Avontuur ,E (Ezrah)	2	0	-425	0	0	0	2	0	-425	0	0	0
5	Avontuur ,E (Ezrah)	2	1209.7	784.7	0	0	0	2	1227.4	784.7	0	0	0
6	Viljoen ,F (Frida)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Viljoen ,F (Frida)	1	1200.8	775.8	1	1201.3	775.8	0	0	0	0	0	0
7	Joubert ,S (Sumari)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Joubert ,S (Sumari)	1	1136.1	711.1	1	1161.8	711.1	0	0	0	0	0	0
8	Flores ,C (Chloe)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Flores ,C (Chloe)	1	1314.1	889.1	1	1310.4	889.1	0	0	0	0	0	0
9	Zembeta ,M (Mary Siyamthanda)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Zembeta ,M (Mary Siyamthanda)	1	1202.8	777.8	1	1226.3	777.8	0	0	0	0	0	0
10	Van Collar ,L (Lienke)	1	1	425	1	1	425	0	0	0	0	0	0
10	Van Collar ,L (Lienke)	1	1208.8	1633.8	1	1200	1633.8	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

Kotze, Z (Ziandre)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms