Chess South Africa Ratings Database

PLAYER PAGE

Personal

Botha, S (Shadette)

Chess SA id

2130136682

FIDE id

Date of birth

2013-02-22 (U14)

Gender

Female

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1210.6

Item	Main	Standard	Rapid	Blitz
Rating	1211.2	1208.1	1200	1200
Raw rating	1210.1	1195.3	1200	1200
Weighted rating	1211.2	1208.1	1200	1200
Weighted performance	1161.3	1150.2	0	0
Floor	747.6	742.3	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	163.5	166.9	165.8	165.8
Highest rating	1247.6 2025-07-01	1242.3 2025-07-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1247.6 2025-07-01	1242.3 2025-07-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1247.6 2018-10-01	1242.3 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1247.6 2025-07-01	1242.3 2024-06-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.3	-0.9	0	0
New rating	1211.5	1207.3	1200	1200
Analysis
Rating	1211.2	1208.1	1200	1200
Raw rating	1210.1	1195.3	1200	1200
Weighted rating	1211.2	1208.1	1200
Weighted performance	1161.3	1150.2	0
K-factor	36	36	36	36
Floor	747.6	742.3	700	700
Max/Min rating change allowed	163.5	166.9	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	1210.1	1195.3	1200	1200
New weighted rating	1211.5	1207.3	1200	1200
New weighted performance	1154.4	1143.4	0	0
Temp new rating	1211.5	1207.3	1200	1200
Temp new rating +/-	0.3	-0.9	0	0
Final new rating +/-	0.3	-0.9	0	0
New rating	1211.5	1207.3	1200	1200
New K-factor	36	36	36	36
New floor	747.6	742.3	700	700

Item	Main	Standard
	0	0
	39	39
	33	33
	15	15
	15	15
	0	0
History	102	102

Games since
	Main 77	Standard 77		Rapid 0		Blitz 0
Gender	Female
Age group	U14
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	4053		1327		164
Female	964		313		40
U14	788		261		45
U14 Female	227		80		14
Standard
	RSA		Province		Region
Overall	4000		1430		167
Female	949		331		39
U14	776		277		48
U14 Female	227		86		15
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	39	16	41.03	-76.3	1293.4	1217.1
Standard	39	16	41.03	-76.3	1293.4	1217.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	102	45	44.12	-50	1250.7	1200.7
Standard	102	45	44.12	-50	1250.7	1200.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1210.1	1195.3	1200	1200
2025-09-30	1197.5	1184.5	1200	1200
2025-09-01	1193.3	1180.9	1200	1200
2025-08-01	1229.8	1224.5	1200	1200
2025-07-01	1247.6	1242.3	1200	1200
2025-06-01	1238.8	1242	1200	1200
2025-05-01	1215.9	1214.2	1200	1200
2025-04-01	1215.9	1214.2	1200	1200
2025-03-01	1215.9	1214.2	1200	1200
2025-02-01	1216.8	1216.9	1200	1200
2025-01-01	1216.8	1216.9	1200	1200
2024-12-01	1173.8	1170.8	1200	1200
2024-11-01	1195.9	1196.7	1200	1200
2024-10-01	1196.5	1197.1	1200	1200
2024-09-01	1196.5	1197.1	1200	1200
2024-08-01	1224.3	1234.2	1200	1200
2024-07-01	1224.3	1234.2	1200	1200
2024-09-01	1200.1	1205.8	1200	1200
2024-05-01	1200.1	1205.8	1200	1200
2024-04-01	1177.7	1178.4	1200	1200
2024-03-01	1177.7	1178.4	1200	1200
2024-02-01	1177.7	1178.4	1200	1200
2024-01-01	1209.2	1214	1200	1200
2023-12-01	1209.2	1214	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 Gauteng Schools Provincial Individual Chess Championship (U13 Girls)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
2	Laerskool Eligwa Open 20 Sept 2025 (D)	2025-09-20	2025-09-20	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
3	GDE (D7) Sedibeng East Schools 2025 (U13)	2025-08-02	2025-08-02	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis
4	South African Open 2025 (U14 Girls)	2025-07-03	2025-07-05	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
5	LS Vryheidsmonument Chess Open 21 Jun 2025 (D)	2025-06-21	2025-06-21	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
6	HS Driehoek Chess Open 2025 (D)	2025-06-14	2025-06-14	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
7	GDE Sedibeng East Schools - D7 Individuals 24 May 2025 (U13 Girls)	2025-05-24	2025-05-24	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
8	Laer Volkskool Open 15 Feb 2025 (D)	2025-02-15	2025-02-15	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Gauteng Schools Provincial Individual Chess Championship (U13 Girls)	2025-09-27	2025-09-27	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
2	Laerskool Eligwa Open 20 Sept 2025 (D)	2025-09-20	2025-09-20	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
3	GDE (D7) Sedibeng East Schools 2025 (U13)	2025-08-02	2025-08-02	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis
4	South African Open 2025 (U14 Girls)	2025-07-03	2025-07-05	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
5	LS Vryheidsmonument Chess Open 21 Jun 2025 (D)	2025-06-21	2025-06-21	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
6	HS Driehoek Chess Open 2025 (D)	2025-06-14	2025-06-14	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
7	GDE Sedibeng East Schools - D7 Individuals 24 May 2025 (U13 Girls)	2025-05-24	2025-05-24	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
8	Laer Volkskool Open 15 Feb 2025 (D)	2025-02-15	2025-02-15	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
9	Gauteng Inter-Region at UJ 2024 (U12 Candidates)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
10	Queens Gambit Chess Open 2024 (D)	2024-11-23	2024-11-23	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis
11	NWU Vaal Chess Open 12 Oct 2024 (D)	2024-10-12	2024-10-12	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
12	Sedibeng East D7 Teams Trials 2024 (U11)	2024-08-03	2024-08-03	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis
13	AG Visser Open 2024 (D)	2024-06-08	2024-06-08	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
14	Hoerskool Overvaal Chess Open 2024 (D)	2024-04-20	2024-04-20	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
15	2024 Gauteng Inter-Region Chess Championship (U12 Girls A)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
16	Queens Gambit Chess Open 2023 (E)	2023-11-25	2023-11-25	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
17	NWU Vaal Open 2023 (E)	2023-10-14	2023-10-14	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
18	AG Visser Open 2023 (C)	2023-02-18	2023-02-18	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
19	2022 Gauteng Interregion (U10 Girls)	2022-02-26	2022-02-26	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
20	Heidelberg Open 2022 (D)	2022-05-02	2022-05-02	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
21	Heidelberg Klub Open 2002 (D)	2022-02-19	2022-02-19	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis

#	Games	Start				End
1	4	Tournament Gauteng Inter-Region at UJ 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-12-07	rnd 2	type Standard	result 0.5	date 2024-12-08	rnd 5	type Standard	result 1
		Opponent Van Rensburg, L (Liem)				Opponent Muller, J (Jano)
2	3	Tournament South African Open 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-07-04	rnd 4	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Magodielo, M (Mamello)				Opponent Mohono, K (Keamogetswe)
3	3	Tournament Hoerskool Overvaal Chess Open 2024				Tournament AG Visser Open 2024
		date 2024-04-20	rnd 4	type Standard	result 1	date 2024-06-08	rnd 1	type Standard	result 1
		Opponent Mophuthing, K (Keorapetse)				Opponent Odendaal, L (Lorenzo Christiaan C)

#	Games	Start				End
1	4	Tournament Gauteng Inter-Region at UJ 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-12-07	rnd 2	type Standard	result 0.5	date 2024-12-08	rnd 5	type Standard	result 1
		Opponent Van Rensburg, L (Liem)				Opponent Muller, J (Jano)
2	3	Tournament South African Open 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-07-04	rnd 4	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Magodielo, M (Mamello)				Opponent Mohono, K (Keamogetswe)
3	3	Tournament Hoerskool Overvaal Chess Open 2024				Tournament AG Visser Open 2024
		date 2024-04-20	rnd 4	type Standard	result 1	date 2024-06-08	rnd 1	type Standard	result 1
		Opponent Mophuthing, K (Keorapetse)				Opponent Odendaal, L (Lorenzo Christiaan C)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament South African Open 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-07-04	rnd 4	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Magodielo, M (Mamello)				Opponent Mohono, K (Keamogetswe)
2	3	Tournament Gauteng Inter-Region at UJ 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-12-07	rnd 3	type Standard	result 1	date 2024-12-08	rnd 5	type Standard	result 1
		Opponent Chisango, R (Ryan)				Opponent Muller, J (Jano)
3	3	Tournament Hoerskool Overvaal Chess Open 2024				Tournament AG Visser Open 2024
		date 2024-04-20	rnd 4	type Standard	result 1	date 2024-06-08	rnd 1	type Standard	result 1
		Opponent Mophuthing, K (Keorapetse)				Opponent Odendaal, L (Lorenzo Christiaan C)

#	Games	Start				End
1	3	Tournament South African Open 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-07-04	rnd 4	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Magodielo, M (Mamello)				Opponent Mohono, K (Keamogetswe)
2	3	Tournament Gauteng Inter-Region at UJ 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-12-07	rnd 3	type Standard	result 1	date 2024-12-08	rnd 5	type Standard	result 1
		Opponent Chisango, R (Ryan)				Opponent Muller, J (Jano)
3	3	Tournament Hoerskool Overvaal Chess Open 2024				Tournament AG Visser Open 2024
		date 2024-04-20	rnd 4	type Standard	result 1	date 2024-06-08	rnd 1	type Standard	result 1
		Opponent Mophuthing, K (Keorapetse)				Opponent Odendaal, L (Lorenzo Christiaan C)

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	Mogorosi ,P (Pako)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
1	Mogorosi ,P (Pako)	3	1332.5	1474.2	3	1314	1474.2	0	0	0	0	0	0
2	Hunter ,C (Caitlyn)	3	3	425	3	3	425	0	0	0	0	0	0
2	Hunter ,C (Caitlyn)	3	1147.8	1572.8	3	1139.2	1572.8	0	0	0	0	0	0
3	Jonker ,C (Corne)	3	0	-425	3	0	-425	0	0	0	0	0	0
3	Jonker ,C (Corne)	3	1254.8	829.8	3	1257.1	829.8	0	0	0	0	0	0
4	Mann ,L (Leane)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Mann ,L (Leane)	2	1289.3	864.3	2	1280.5	864.3	0	0	0	0	0	0
5	Buchebner ,M (Mikayla)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Buchebner ,M (Mikayla)	2	1355.9	930.9	2	1365.3	930.9	0	0	0	0	0	0
6	Foba ,K (Kamohelo)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Foba ,K (Kamohelo)	2	1404.6	979.6	2	1410.5	979.6	0	0	0	0	0	0
7	Myburgh ,V (Vaughn)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Myburgh ,V (Vaughn)	2	1283.8	858.8	2	1267.6	858.8	0	0	0	0	0	0
8	Mohono ,K (Keamogetswe)	2	2	425	2	2	425	0	0	0	0	0	0
8	Mohono ,K (Keamogetswe)	2	1120.4	1545.4	2	1107	1545.4	0	0	0	0	0	0
9	Geyer ,L (Lourens)	2	2	425	2	2	425	0	0	0	0	0	0
9	Geyer ,L (Lourens)	2	1195.6	1620.6	2	1204.1	1620.6	0	0	0	0	0	0
10	Viviers ,W (Wiaan)	2	1	0	2	1	0	0	0	0	0	0	0
10	Viviers ,W (Wiaan)	2	1247.9	1247.9	2	1247.2	1247.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Botha, S (Shadette)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms