Chess South Africa Ratings Database

PLAYER PAGE

Personal

Botha, E (Ethan)

Chess SA id

110092909

FIDE id

Date of birth

2010-01-21 (U16)

Gender

Male

Region

West Rand (GWR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2021-12-04

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1142.9	1132.8	1200	1200
Raw rating	1142.9	1132.8	1200	1200
Weighted rating	1142.9	1132.8	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	179.9	182.5	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	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 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1142.9	1132.8	1200	1200
Analysis
Rating	1142.9	1132.8	1200	1200
Raw rating	1142.9	1132.8	1200	1200
Weighted rating	1142.9	1132.8	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	179.9	182.5	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	1142.9	1132.8	1200	1200
New weighted rating	1142.9	1132.8	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1142.9	1132.8	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1142.9	1132.8	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	5	5
History	13	13

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	West Rand (GWR)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	9	2.5	27.78	-188.9	1200.4	1011.5
Standard	9	2.5	27.78	-188.9	1200.4	1011.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1142.9	1132.8	1200	1200
2025-09-30	1142.9	1132.8	1200	1200
2025-09-01	1142.9	1132.8	1200	1200
2025-08-01	1142.9	1132.8	1200	1200
2025-07-01	1142.9	1132.8	1200	1200
2025-06-01	1142.9	1132.8	1200	1200
2025-05-01	1142.9	1132.8	1200	1200
2025-04-01	1142.9	1132.8	1200	1200
2025-03-01	1142.9	1132.8	1200	1200
2025-02-01	1142.9	1132.8	1200	1200
2025-01-01	1142.9	1132.8	1200	1200
2024-12-01	1142.9	1132.8	1200	1200
2024-11-01	1142.9	1132.8	1200	1200
2024-10-01	1142.9	1132.8	1200	1200
2024-09-01	1142.9	1132.8	1200	1200
2024-08-01	1142.9	1132.8	1200	1200
2024-07-01	1142.9	1132.8	1200	1200
2024-09-01	1142.9	1132.8	1200	1200
2024-05-01	1142.9	1132.8	1200	1200
2024-04-01	1142.9	1132.8	1200	1200
2024-03-01	1142.9	1132.8	1200	1200
2024-02-01	1142.9	1132.8	1200	1200
2024-01-01	1142.9	1132.8	1200	1200
2023-12-01	1142.9	1132.8	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	West Rand Trials 2021 (U12)	2021-12-04	2021-12-04	Standard	West Rand (GWR)	5	5	1.5	Yes	Analysis
2	D2 League Finals 2019 (U9)	2019-08-03	2019-08-03	Standard	West Rand (GWR)	5	4	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament West Rand Trials 2021				Tournament West Rand Trials 2021
		date 2021-12-04	rnd 3	type Standard	result 0.5	date 2021-12-04	rnd 4	type Standard	result 1
		Opponent Keepilwe, OV (Ofentse)				Opponent Phikisa, T (Thulisile)
2	1	Tournament D2 League Finals 2019				Tournament D2 League Finals 2019
		date 2019-08-03	rnd 4	type Standard	result 1	date 2019-08-03	rnd 4	type Standard	result 1
		Opponent Mbesi, S (Samkelo)				Opponent Mbesi, S (Samkelo)

#	Games	Start				End
1	2	Tournament West Rand Trials 2021				Tournament West Rand Trials 2021
		date 2021-12-04	rnd 3	type Standard	result 0.5	date 2021-12-04	rnd 4	type Standard	result 1
		Opponent Keepilwe, OV (Ofentse)				Opponent Phikisa, T (Thulisile)
2	1	Tournament D2 League Finals 2019				Tournament D2 League Finals 2019
		date 2019-08-03	rnd 4	type Standard	result 1	date 2019-08-03	rnd 4	type Standard	result 1
		Opponent Mbesi, S (Samkelo)				Opponent Mbesi, S (Samkelo)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament West Rand Trials 2021				Tournament West Rand Trials 2021
		date 2021-12-04	rnd 4	type Standard	result 1	date 2021-12-04	rnd 4	type Standard	result 1
		Opponent Phikisa, T (Thulisile)				Opponent Phikisa, T (Thulisile)
2	1	Tournament D2 League Finals 2019				Tournament D2 League Finals 2019
		date 2019-08-03	rnd 4	type Standard	result 1	date 2019-08-03	rnd 4	type Standard	result 1
		Opponent Mbesi, S (Samkelo)				Opponent Mbesi, S (Samkelo)

#	Games	Start				End
1	1	Tournament West Rand Trials 2021				Tournament West Rand Trials 2021
		date 2021-12-04	rnd 4	type Standard	result 1	date 2021-12-04	rnd 4	type Standard	result 1
		Opponent Phikisa, T (Thulisile)				Opponent Phikisa, T (Thulisile)
2	1	Tournament D2 League Finals 2019				Tournament D2 League Finals 2019
		date 2019-08-03	rnd 4	type Standard	result 1	date 2019-08-03	rnd 4	type Standard	result 1
		Opponent Mbesi, S (Samkelo)				Opponent Mbesi, S (Samkelo)

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	Ncube ,N (Noeleen)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Ncube ,N (Noeleen)	1	1200	775	1	1200	775	0	0	0	0	0	0
2	Mbesi ,S (Samkelo)	1	1	425	1	1	425	0	0	0	0	0	0
2	Mbesi ,S (Samkelo)	1	1249.1	1674.1	1	1267.6	1674.1	0	0	0	0	0	0
3	Phikisa ,T (Thulisile)	1	1	425	1	1	425	0	0	0	0	0	0
3	Phikisa ,T (Thulisile)	1	1015.4	1440.4	1	987.2	1440.4	0	0	0	0	0	0
4	Olivier ,YC (Yorg)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Olivier ,YC (Yorg)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Keepilwe ,O (Ofentse Victoria)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Keepilwe ,O (Ofentse Victoria)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
6	Mithani ,L (Lwakhe)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Mithani ,L (Lwakhe)	1	1199.3	774.3	1	1196.4	774.3	0	0	0	0	0	0
7	Nwafor ,E (Evans)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Nwafor ,E (Evans)	1	1264.1	839.1	1	1276.8	839.1	0	0	0	0	0	0
8	Du Toit ,B (Bernard)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Du Toit ,B (Bernard)	1	1252.3	827.3	1	1264.3	827.3	0	0	0	0	0	0
9	Esterhuizen ,Z (Zane)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Esterhuizen ,Z (Zane)	1	1223.2	798.2	1	1227.2	798.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Botha, E (Ethan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms