Chess South Africa Ratings Database

PLAYER PAGE

Personal

Bothma, E (Edrich)

Chess SA id

107078114

FIDE id

Date of birth

2007-12-02 (U20)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-02-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1140.8	1139.3	670.4	670.4
Raw rating	1140.8	1139.3	670.4	670.4
Weighted rating	1140.8	1139.3	670.4	670.4
Weighted performance	178.5	178.1	0	0
Floor	640.8	639.3	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	180.4	180.8	352.6	352.6
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1140.8 2024-02-01	1139.3 2024-02-01	670.4 2024-02-01	670.4 2024-02-01
Highest weighted rating	1140.8 2024-11-01	1139.3 2024-11-01	670.4 2024-11-01	670.4 2024-11-01
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	1140.8	1139.3	670.4	670.4
Analysis
Rating	1140.8	1139.3	670.4	670.4
Raw rating	1140.8	1139.3	670.4	670.4
Weighted rating	1140.8	1139.3	670.4
Weighted performance	178.5	178.1	0
K-factor	40	40	40	40
Floor	640.8	639.3	500	500
Max/Min rating change allowed	180.4	180.8	352.6	352.6
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	1140.8	1139.3	670.4	670.4
New weighted rating	1140.8	1139.3	670.4	670.4
New weighted performance	178.1	177.7	0	0
Temp new rating	1140.8	1139.3	670.4	670.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1140.8	1139.3	670.4	670.4
New K-factor	40	40	40	40
New floor	640.8	639.3	500	500

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	81	81

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	24	12.5	52.08	17.7	1082	1099.7
Standard	24	12.5	52.08	17.7	1082	1099.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1140.8	1139.3	670.4	670.4
2025-09-01	1140.8	1139.3	670.4	670.4
2025-08-01	1140.8	1139.3	670.4	670.4
2025-07-01	1140.8	1139.3	670.4	670.4
2025-06-01	1140.8	1139.3	670.4	670.4
2025-05-01	1140.8	1139.3	670.4	670.4
2025-04-01	1140.8	1139.3	670.4	670.4
2025-03-01	1140.8	1139.3	670.4	670.4
2025-02-01	1140.8	1139.3	670.4	670.4
2025-01-01	1140.8	1139.3	670.4	670.4
2024-12-01	1140.8	1139.3	670.4	670.4
2024-11-01	1140.8	1139.3	670.4	670.4
2024-10-01	1140.8	1139.3	670.4	670.4
2024-09-01	1140.8	1139.3	670.4	670.4
2024-08-01	1140.8	1139.3	670.4	670.4
2024-07-01	1140.8	1139.3	670.4	670.4
2024-06-01	1140.8	1139.3	670.4	670.4
2024-08-01	1140.8	1139.3	670.4	670.4
2024-04-01	1140.8	1139.3	670.4	670.4
2024-03-01	1140.8	1139.3	670.4	670.4
2024-02-01	1140.8	1139.3	670.4	670.4
2024-01-01	1140.8	1139.3	670.4	670.4
2023-12-01	1140.8	1139.3	670.4	670.4
2023-11-01	1140.8	1139.3	670.4	670.4

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	Oudtshoorn Trials 3 2019 (U14)	2019-02-16	2019-02-16	Standard	Eden (WEG)	5	5	3	Yes	Analysis
2	Oudtshoorn Trials 2 2019 (U14)	2019-02-09	2019-02-09	Standard	Eden (WEG)	5	5	3	Yes	Analysis
3	Oudtshoorn Trials 1 2019 (U14)	2019-01-19	2019-01-19	Standard	Eden (WEG)	5	4	2	Yes	Analysis
4	EDENSC Closed 3 2018 (U12 Open)	2018-05-12	2018-05-12	Standard	Eden (WEG)	5	0	0	No	Analysis
5	EDENSC Closed 2 2018 (U12 Open)	2018-04-14	2018-04-14	Standard	Eden (WEG)	5	5	2	Yes	Analysis
6	EDENSC Closed 1 2018 (U12 Boys)	2018-03-10	2018-03-10	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Oudtshoorn Trials 2 2019				Tournament Oudtshoorn Trials 2 2019
		date 2019-02-09	rnd 2	type Standard	result 1	date 2019-02-09	rnd 4	type Standard	result 1
		Opponent Paulse, S (Selwyn)				Opponent Schoeman, S (Samantha)
2	2	Tournament Oudtshoorn Trials 3 2019				Tournament Oudtshoorn Trials 3 2019
		date 2019-02-16	rnd 4	type Standard	result 1	date 2019-02-16	rnd 5	type Standard	result 1
		Opponent Paulse, S (Selwyn)				Opponent Marries, E (Ethan)
3	2	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 2 2018
		date 2018-03-10	rnd 5	type Standard	result 0.5	date 2018-04-14	rnd 1	type Standard	result 1
		Opponent Stevens, T (Thurlow)				Opponent Jacobs, A (Aiden)

#	Games	Start				End
1	3	Tournament Oudtshoorn Trials 2 2019				Tournament Oudtshoorn Trials 2 2019
		date 2019-02-09	rnd 2	type Standard	result 1	date 2019-02-09	rnd 4	type Standard	result 1
		Opponent Paulse, S (Selwyn)				Opponent Schoeman, S (Samantha)
2	2	Tournament Oudtshoorn Trials 3 2019				Tournament Oudtshoorn Trials 3 2019
		date 2019-02-16	rnd 4	type Standard	result 1	date 2019-02-16	rnd 5	type Standard	result 1
		Opponent Paulse, S (Selwyn)				Opponent Marries, E (Ethan)
3	2	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 2 2018
		date 2018-03-10	rnd 5	type Standard	result 0.5	date 2018-04-14	rnd 1	type Standard	result 1
		Opponent Stevens, T (Thurlow)				Opponent Jacobs, A (Aiden)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Oudtshoorn Trials 2 2019				Tournament Oudtshoorn Trials 2 2019
		date 2019-02-09	rnd 2	type Standard	result 1	date 2019-02-09	rnd 4	type Standard	result 1
		Opponent Paulse, S (Selwyn)				Opponent Schoeman, S (Samantha)
2	2	Tournament Oudtshoorn Trials 3 2019				Tournament Oudtshoorn Trials 3 2019
		date 2019-02-16	rnd 4	type Standard	result 1	date 2019-02-16	rnd 5	type Standard	result 1
		Opponent Paulse, S (Selwyn)				Opponent Marries, E (Ethan)
3	1	Tournament Oudtshoorn Trials 3 2019				Tournament Oudtshoorn Trials 3 2019
		date 2019-02-16	rnd 1	type Standard	result 1	date 2019-02-16	rnd 1	type Standard	result 1
		Opponent De Bruin, R (Ru-Vadene)				Opponent De Bruin, R (Ru-Vadene)

#	Games	Start				End
1	3	Tournament Oudtshoorn Trials 2 2019				Tournament Oudtshoorn Trials 2 2019
		date 2019-02-09	rnd 2	type Standard	result 1	date 2019-02-09	rnd 4	type Standard	result 1
		Opponent Paulse, S (Selwyn)				Opponent Schoeman, S (Samantha)
2	2	Tournament Oudtshoorn Trials 3 2019				Tournament Oudtshoorn Trials 3 2019
		date 2019-02-16	rnd 4	type Standard	result 1	date 2019-02-16	rnd 5	type Standard	result 1
		Opponent Paulse, S (Selwyn)				Opponent Marries, E (Ethan)
3	1	Tournament Oudtshoorn Trials 3 2019				Tournament Oudtshoorn Trials 3 2019
		date 2019-02-16	rnd 1	type Standard	result 1	date 2019-02-16	rnd 1	type Standard	result 1
		Opponent De Bruin, R (Ru-Vadene)				Opponent De Bruin, R (Ru-Vadene)

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	Schoeman ,S (Samantha)	2	1	0	2	1	0	0	0	0	0	0	0
1	Schoeman ,S (Samantha)	2	1195.2	1195.2	2	1193.8	1195.2	0	0	0	0	0	0
2	Paulse ,S (Selwyn)	2	2	425	2	2	425	0	0	0	0	0	0
2	Paulse ,S (Selwyn)	2	1200	1625	2	1200	1625	0	0	0	0	0	0
3	De Bruyn ,R (Ru-Vadene)	1	1	425	1	1	425	0	0	0	0	0	0
3	De Bruyn ,R (Ru-Vadene)	1	1166.8	1591.8	1	1160	1591.8	0	0	0	0	0	0
4	Square ,N (Nathan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Square ,N (Nathan)	1	1152.9	727.9	1	1144.4	727.9	0	0	0	0	0	0
5	Jansen ,G (Gabriella)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Jansen ,G (Gabriella)	1	733.6	308.6	1	733.6	308.6	0	0	0	0	0	0
6	Kamfer ,P (Pedronique)	1	1	425	1	1	425	0	0	0	0	0	0
6	Kamfer ,P (Pedronique)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Geduld ,L (Lucian)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Geduld ,L (Lucian)	1	812.8	387.8	1	851.7	387.8	0	0	0	0	0	0
8	Skippers ,J (Jaywin)	1	1	425	1	1	425	0	0	0	0	0	0
8	Skippers ,J (Jaywin)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Konstabel ,M (Marco)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Konstabel ,M (Marco)	1	1152.2	727.2	1	1142	727.2	0	0	0	0	0	0
10	Heesen ,T (Tyler)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Heesen ,T (Tyler)	1	638.7	213.7	1	662	213.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Bothma, E (Edrich)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms