Chess South Africa Ratings Database

PLAYER PAGE

Personal

Botha, M (Mcearlin)

Chess SA id

1090131988

FIDE id

Date of birth

2009-12-15 (U18)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1184.7

Item	Main	Standard	Rapid	Blitz
Rating	1239.6	1243.9	1200	1200
Raw rating	1239.6	1243.9	1200	1200
Weighted rating	1233.9	1237.4	1200	1200
Weighted performance	1028.7	1030.1	0	0
Floor	751.6	761.1	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	156.7	155.8	165.8	165.8
Highest rating	1284.1 2020-03-01	1279.3 2020-03-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1251.6 2024-02-01	1261.1 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1251.6 2024-02-01	1261.1 2024-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1284.1 2020-03-01	1279.3 2020-03-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1239.6	1243.9	1200	1200
Analysis
Rating	1239.6	1243.9	1200	1200
Raw rating	1239.6	1243.9	1200	1200
Weighted rating	1233.9	1237.4	1200
Weighted performance	1028.7	1030.1	0
K-factor	36	36	36	36
Floor	751.6	761.1	700	700
Max/Min rating change allowed	156.7	155.8	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	1239.6	1243.9	1200	1200
New weighted rating	1234.3	1237.9	1200	1200
New weighted performance	1028.3	1029.7	0	0
Temp new rating	1239.6	1243.9	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1239.6	1243.9	1200	1200
New K-factor	36	36	36	36
New floor	751.6	761.1	700	700

Item	Main	Standard
	0	0
	20	20
	10	10
	0	0
	10	10
	0	0
History	49	49

Games since
	Main 30	Standard 30		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	3581		1018		362
Male	2740		706		244
U18	567		150		49
U18 Male	467		112		37
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	20	8	40	-85	1278.7	1193.7
Standard	20	8	40	-85	1278.7	1193.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	49	22.5	45.92	-34.7	1263.7	1229
Standard	49	22.5	45.92	-34.7	1263.7	1229
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1239.6	1243.9	1200	1200
2025-09-01	1239.6	1243.9	1200	1200
2025-08-01	1239.6	1243.9	1200	1200
2025-07-01	1239.6	1243.9	1200	1200
2025-06-01	1239.6	1243.9	1200	1200
2025-05-01	1239.6	1243.9	1200	1200
2025-04-01	1229.4	1232.4	1200	1200
2025-03-01	1241.7	1246.1	1200	1200
2025-02-01	1232.1	1236.1	1200	1200
2025-01-01	1225.3	1227.3	1200	1200
2024-12-01	1225.3	1227.3	1200	1200
2024-11-01	1225.3	1227.3	1200	1200
2024-10-01	1225.3	1227.3	1200	1200
2024-09-01	1225.3	1227.3	1200	1200
2024-08-01	1225.3	1227.3	1200	1200
2024-07-01	1225.3	1227.3	1200	1200
2024-06-01	1225.3	1227.3	1200	1200
2024-08-01	1225.3	1227.3	1200	1200
2024-04-01	1225.3	1227.3	1200	1200
2024-03-01	1225.3	1227.3	1200	1200
2024-02-01	1251.6	1261.1	1200	1200
2024-01-01	1251.6	1261.1	1200	1200
2023-12-01	1251.6	1261.1	1200	1200
2023-11-01	1251.6	1261.1	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	Eden Chess Trials 2 2025 (U18)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	5	2	Yes	Analysis
2	Eden Schools Chess Trials 1 2025 (U17 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	0.5	Yes	Analysis
3	Oudussa Trials 2025 (U17)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
4	Oudussa Trials 2 2025 (U17 Boys+Girls)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Eden Chess Trials 2 2025 (U18)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	5	2	Yes	Analysis
2	Eden Schools Chess Trials 1 2025 (U17 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	0.5	Yes	Analysis
3	Oudussa Trials 2025 (U17)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
4	Oudussa Trials 2 2025 (U17 Boys+Girls)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis
5	OUDUSSA Trials 2 2024 (U15 Boys)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	5	2	Yes	Analysis
6	OUDUSSA Trials 1 2024 (U15 Boys)	2024-02-03	2024-02-03	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
7	Eden Proewe 2 2022 (O13 Seuns)	2022-04-09	2022-04-09	Standard	Eden (WEG)	5	5	3	Yes	Analysis
8	Eden Proewe 1 2022 (O13 Seuns)	2022-03-12	2022-03-12	Standard	Eden (WEG)	5	5	2	Yes	Analysis
9	Eden Schools Closed Trials 1 2020 (U11 Boys)	2020-03-07	2020-03-07	Standard	Eden (WEG)	5	4	2	Yes	Analysis
10	Oudtshoorn Proewe 1 2020 (O11)	2020-02-15	2020-02-15	Standard	Eden (WEG)	5	5	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament Eden Proewe 2 2022				Tournament OUDUSSA Trials 1 2024
		date 2022-04-09	rnd 4	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Stevens, W (Wichardo)				Opponent Makwassa, E (Ebrahim)
2	2	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-01	rnd 4	type Standard	result 0.5
		Opponent Gertzen, R (Rihanna)				Opponent Dyssel, A (Amy Kay)
3	2	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Claasen, R (Rowen)				Opponent Coetzee, J (Jayden)

#	Games	Start				End
1	4	Tournament Eden Proewe 2 2022				Tournament OUDUSSA Trials 1 2024
		date 2022-04-09	rnd 4	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Stevens, W (Wichardo)				Opponent Makwassa, E (Ebrahim)
2	2	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-01	rnd 4	type Standard	result 0.5
		Opponent Gertzen, R (Rihanna)				Opponent Dyssel, A (Amy Kay)
3	2	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Claasen, R (Rowen)				Opponent Coetzee, J (Jayden)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Eden Proewe 2 2022				Tournament OUDUSSA Trials 1 2024
		date 2022-04-09	rnd 4	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Stevens, W (Wichardo)				Opponent Makwassa, E (Ebrahim)
2	2	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Claasen, R (Rowen)				Opponent Coetzee, J (Jayden)
3	2	Tournament OUDUSSA Trials 2 2024				Tournament OUDUSSA Trials 2 2024
		date 2024-02-17	rnd 3	type Standard	result 1	date 2024-02-17	rnd 4	type Standard	result 1
		Opponent Geland, E (Eldo)				Opponent Opperman, D (Dante)

#	Games	Start				End
1	4	Tournament Eden Proewe 2 2022				Tournament OUDUSSA Trials 1 2024
		date 2022-04-09	rnd 4	type Standard	result 1	date 2024-02-03	rnd 2	type Standard	result 1
		Opponent Stevens, W (Wichardo)				Opponent Makwassa, E (Ebrahim)
2	2	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Claasen, R (Rowen)				Opponent Coetzee, J (Jayden)
3	2	Tournament OUDUSSA Trials 2 2024				Tournament OUDUSSA Trials 2 2024
		date 2024-02-17	rnd 3	type Standard	result 1	date 2024-02-17	rnd 4	type Standard	result 1
		Opponent Geland, E (Eldo)				Opponent Opperman, D (Dante)

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	Van Wyk ,J (Jonathan)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Van Wyk ,J (Jonathan)	2	1346.5	921.5	2	1354.2	921.5	0	0	0	0	0	0
2	Claasen ,R (Rowen)	2	2	425	2	2	425	0	0	0	0	0	0
2	Claasen ,R (Rowen)	2	1201.3	1626.3	2	1201.8	1626.3	0	0	0	0	0	0
3	Jansen ,R (Riaan Junior)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Jansen ,R (Riaan Junior)	2	1200	775	2	1200	775	0	0	0	0	0	0
4	Arpin ,L (Lukas)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Arpin ,L (Lukas)	1	1342.1	917.1	1	1330.7	917.1	0	0	0	0	0	0
5	Noma ,L (Lisakhanya)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Noma ,L (Lisakhanya)	1	1387.1	962.1	1	1393	962.1	0	0	0	0	0	0
6	Van Rensburg ,A (Anke)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Van Rensburg ,A (Anke)	1	1140.9	715.9	1	1134.2	715.9	0	0	0	0	0	0
7	Botha ,J (Jontie)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Botha ,J (Jontie)	1	1246.2	1246.2	1	1251.7	1246.2	0	0	0	0	0	0
8	Opperman ,D (Dante)	1	1	425	1	1	425	0	0	0	0	0	0
8	Opperman ,D (Dante)	1	1286.8	1711.8	1	1300.6	1711.8	0	0	0	0	0	0
9	Makwasa ,A (Abraham)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Makwasa ,A (Abraham)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Plaatjies ,L (Leighshawn)	1	1	425	1	1	425	0	0	0	0	0	0
10	Plaatjies ,L (Leighshawn)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Botha, M (Mcearlin)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms