Chess South Africa Ratings Database

PLAYER PAGE

Personal

Botha, Z (Zoe)

Chess SA id

2090192189

FIDE id

Date of birth

2009-07-13 (U18)

Gender

Female

Region

West Rand (GWR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1110.8

Item	Main	Standard	Rapid	Blitz
Rating	1155.7	1152.8	1200	1200
Raw rating	1155.4	1152.2	1200	1200
Weighted rating	1155.7	1152.8	1200	1200
Weighted performance	1024.8	1022.4	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	176.7	177.5	165.8	165.8
Highest rating	1201.8 2024-09-01	1203.6 2024-09-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted performance	1201.8 2024-09-01	1203.6 2024-09-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.3	-0.3	0	0
New rating	1155.4	1152.5	1200	1200
Analysis
Rating	1155.7	1152.8	1200	1200
Raw rating	1155.4	1152.2	1200	1200
Weighted rating	1155.7	1152.8	1200
Weighted performance	1024.8	1022.4	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	176.7	177.5	165.8	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	1155.4	1152.2	1200	1200
New weighted rating	1155.4	1152.5	1200	1200
New weighted performance	1024.4	1022.1	0	0
Temp new rating	1155.4	1152.5	1200	1200
Temp new rating +/-	-0.3	-0.3	0	0
Final new rating +/-	-0.3	-0.3	0	0
New rating	1155.4	1152.5	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	19	19
	40	40
	0	0
	0	0
	0	0
History	59	59

Games since
	Main 59	Standard 59		Rapid 0		Blitz 0
Gender	Female
Age group	U18
Region	West Rand (GWR)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	4242		1357		121
Female	1068		320		32
U18	600		204		25
U18 Female	117		39		4
Standard
	RSA		Province		Region
Overall	4185		1465		149
Female	1064		347		42
U18	625		226		28
U18 Female	122		44		6
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 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	19	7.5	39.47	-89.5	1232	1142.5
Standard	19	7.5	39.47	-89.5	1232	1142.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	59	20	33.9	-136.9	1256.8	1119.9
Standard	59	20	33.9	-136.9	1256.8	1119.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1155.4	1152.2	1200	1200
2025-09-01	1155.4	1152.2	1200	1200
2025-08-01	1155.4	1152.2	1200	1200
2025-07-01	1182.6	1184.8	1200	1200
2025-06-01	1159.7	1156.8	1200	1200
2025-05-01	1159.7	1156.8	1200	1200
2025-04-01	1159.7	1156.8	1200	1200
2025-03-01	1169.7	1168.4	1200	1200
2025-02-01	1157.5	1154.4	1200	1200
2025-01-01	1147.7	1146.8	1200	1200
2024-12-01	1136.8	1133.2	1200	1200
2024-11-01	1136.8	1133.2	1200	1200
2024-10-01	1189.3	1198.8	1200	1200
2024-09-01	1121.4	1112.8	1200	1200
2024-08-01	1121.4	1112.8	1200	1200
2024-07-01	1148.6	1145.2	1200	1200
2024-06-01	1148.6	1145.2	1200	1200
2024-08-01	1107.4	1092.8	1200	1200
2024-04-01	1139.3	1128.4	1200	1200
2024-03-01	1159.2	1150	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	1200	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 D2 Schools League Finals (U19)	2025-07-26	2025-07-26	Standard	West Rand (GWR)	5	4	0	Yes	Analysis
2	West Rand Open 2.0 2025 (Bishops)	2025-06-07	2025-06-07	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
3	West Rand Juniors 2025 (U18)	2025-03-08	2025-03-08	Standard	West Rand (GWR)	5	5	1.5	Yes	Analysis
4	2025 West Rand Open (Bishops)	2025-02-08	2025-02-08	Standard	West Rand (GWR)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 D2 Schools League Finals (U19)	2025-07-26	2025-07-26	Standard	West Rand (GWR)	5	4	0	Yes	Analysis
2	West Rand Open 2.0 2025 (Bishops)	2025-06-07	2025-06-07	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
3	West Rand Juniors 2025 (U18)	2025-03-08	2025-03-08	Standard	West Rand (GWR)	5	5	1.5	Yes	Analysis
4	2025 West Rand Open (Bishops)	2025-02-08	2025-02-08	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
5	Gauteng Inter-Region at UJ 2024 (U16 Candidates)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	2	0.5	Yes	Analysis
6	2024 West Rand Closed (U16)	2024-10-12	2024-10-12	Standard	West Rand (GWR)	5	4	0	Yes	Analysis
7	2024 West Rand Trials (U16)	2024-09-07	2024-09-07	Standard	West Rand (GWR)	5	5	2.5	Yes	Analysis
8	Gauteng Schools Individuals Finals 2024 (U15 Girls)	2024-08-17	2024-08-17	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
9	D2 School League Finals 2024 (U15)	2024-07-20	2024-07-20	Standard	West Rand (GWR)	5	5	1	Yes	Analysis
10	2024 D2 Schools Individuals (U15 Girls)	2024-05-04	2024-05-04	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
11	2024 West Rand RHS Open (Rooks)	2024-04-13	2024-04-13	Standard	West Rand (GWR)	5	5	1	Yes	Analysis
12	2024 West Rand Juniors (U16)	2024-03-09	2024-03-09	Standard	West Rand (GWR)	5	4	1	Yes	Analysis
13	2024 West Rand Open (Rooks)	2024-02-03	2024-02-03	Standard	West Rand (GWR)	5	5	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament West Rand Open 2.0 2025				Tournament West Rand Open 2.0 2025
		date 2025-06-07	rnd 2	type Standard	result 1	date 2025-06-07	rnd 4	type Standard	result 1
		Opponent Mmoledi, O (Ofentse Nicholas)				Opponent Letlhage, R (Reitumetse)
2	3	Tournament 2024 D2 Schools Individuals				Tournament 2024 D2 Schools Individuals
		date 2024-05-04	rnd 2	type Standard	result 1	date 2024-05-04	rnd 4	type Standard	result 1
		Opponent Lebabo, O (Olerato Aobakwe)				Opponent Beukman, D (Dilene)
3	2	Tournament West Rand Juniors 2025				Tournament West Rand Juniors 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 0.5
		Opponent Phiri, E (Emmanuel)				Opponent Nwankwo, O (Obina)

#	Games	Start				End
1	3	Tournament West Rand Open 2.0 2025				Tournament West Rand Open 2.0 2025
		date 2025-06-07	rnd 2	type Standard	result 1	date 2025-06-07	rnd 4	type Standard	result 1
		Opponent Mmoledi, O (Ofentse Nicholas)				Opponent Letlhage, R (Reitumetse)
2	3	Tournament 2024 D2 Schools Individuals				Tournament 2024 D2 Schools Individuals
		date 2024-05-04	rnd 2	type Standard	result 1	date 2024-05-04	rnd 4	type Standard	result 1
		Opponent Lebabo, O (Olerato Aobakwe)				Opponent Beukman, D (Dilene)
3	2	Tournament West Rand Juniors 2025				Tournament West Rand Juniors 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 0.5
		Opponent Phiri, E (Emmanuel)				Opponent Nwankwo, O (Obina)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament West Rand Open 2.0 2025				Tournament West Rand Open 2.0 2025
		date 2025-06-07	rnd 2	type Standard	result 1	date 2025-06-07	rnd 4	type Standard	result 1
		Opponent Mmoledi, O (Ofentse Nicholas)				Opponent Letlhage, R (Reitumetse)
2	3	Tournament 2024 D2 Schools Individuals				Tournament 2024 D2 Schools Individuals
		date 2024-05-04	rnd 2	type Standard	result 1	date 2024-05-04	rnd 4	type Standard	result 1
		Opponent Lebabo, O (Olerato Aobakwe)				Opponent Beukman, D (Dilene)
3	2	Tournament 2025 West Rand Open				Tournament 2025 West Rand Open
		date 2025-02-08	rnd 4	type Standard	result 1	date 2025-02-08	rnd 5	type Standard	result 1
		Opponent Dube, E (Elizma)				Opponent Janse Van Vuuren, E (Estiaan)

#	Games	Start				End
1	3	Tournament West Rand Open 2.0 2025				Tournament West Rand Open 2.0 2025
		date 2025-06-07	rnd 2	type Standard	result 1	date 2025-06-07	rnd 4	type Standard	result 1
		Opponent Mmoledi, O (Ofentse Nicholas)				Opponent Letlhage, R (Reitumetse)
2	3	Tournament 2024 D2 Schools Individuals				Tournament 2024 D2 Schools Individuals
		date 2024-05-04	rnd 2	type Standard	result 1	date 2024-05-04	rnd 4	type Standard	result 1
		Opponent Lebabo, O (Olerato Aobakwe)				Opponent Beukman, D (Dilene)
3	2	Tournament 2025 West Rand Open				Tournament 2025 West Rand Open
		date 2025-02-08	rnd 4	type Standard	result 1	date 2025-02-08	rnd 5	type Standard	result 1
		Opponent Dube, E (Elizma)				Opponent Janse Van Vuuren, E (Estiaan)

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	Croukamp ,M (Mikayla)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
1	Croukamp ,M (Mikayla)	3	1304.7	1304.7	3	1302.4	1304.7	0	0	0	0	0	0
2	Lebabo ,OA (Olerato Aobakwe)	2	2	425	2	2	425	0	0	0	0	0	0
2	Lebabo ,OA (Olerato Aobakwe)	2	1200.2	1625.2	2	1199.1	1625.2	0	0	0	0	0	0
3	Nwankwo ,O (Obina)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
3	Nwankwo ,O (Obina)	2	1218.9	1006.4	2	1222.3	1006.4	0	0	0	0	0	0
4	Greeff ,L (Lanelle Leeandra)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Greeff ,L (Lanelle Leeandra)	1	1137.3	712.3	1	1136	712.3	0	0	0	0	0	0
5	Nakedi ,K (Kutlwano)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Nakedi ,K (Kutlwano)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Lebogang ,K (Kutlwano)	1	1	425	1	1	425	0	0	0	0	0	0
6	Lebogang ,K (Kutlwano)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Fritz ,W (Wayde)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Fritz ,W (Wayde)	1	1385.5	960.5	1	1381.8	960.5	0	0	0	0	0	0
8	London ,P (Prince Kgatliso Keanu)	1	1	425	1	1	425	0	0	0	0	0	0
8	London ,P (Prince Kgatliso Keanu)	1	1132.3	1557.3	1	1118.4	1557.3	0	0	0	0	0	0
9	Msiza ,A (Ayanda Ntsakiso)	1	1	425	1	1	425	0	0	0	0	0	0
9	Msiza ,A (Ayanda Ntsakiso)	1	1234.5	1659.5	1	1241.6	1659.5	0	0	0	0	0	0
10	Fourie ,C (Cayden)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Fourie ,C (Cayden)	1	1220.3	795.3	1	1225.9	795.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Botha, Z (Zoe)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms