Chess South Africa Ratings Database

PLAYER PAGE

Personal

Botha, W (Wian)

Chess SA id

1080097926

FIDE id

Date of birth

2008-08-04 (U18)

Gender

Male

Region

Ehlanzeni (MEN)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2024-03-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1138	1148.3	1200	1200
Raw rating	1138	1148.3	1200	1200
Weighted rating	1137.6	1147.9	1200	1200
Weighted performance	752.6	751.9	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	181.1	178.5	165.8	165.8
Highest rating	1201.1 2023-07-01	1200.2 2023-07-01	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 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1201.1 2023-07-01	1200.2 2023-07-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1138	1148.3	1200	1200
Analysis
Rating	1138	1148.3	1200	1200
Raw rating	1138	1148.3	1200	1200
Weighted rating	1137.6	1147.9	1200
Weighted performance	752.6	751.9	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	181.1	178.5	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	1138	1148.3	1200	1200
New weighted rating	1137.8	1148.1	1200	1200
New weighted performance	745.9	745.2	0	0
Temp new rating	1138	1148.3	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1138	1148.3	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	4	4
	11	11
	0	0
	0	0
History	99	99

Games since
	Main 4	Standard 4		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Ehlanzeni (MEN)
Province	Mpumalanga (MP)
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	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
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	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	99	41.5	41.92	-68.7	1099.7	1031.1
Standard	99	41.5	41.92	-68.7	1099.7	1031.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1138	1148.3	1200	1200
2025-09-30	1138	1148.3	1200	1200
2025-09-01	1138	1148.3	1200	1200
2025-08-01	1138	1148.3	1200	1200
2025-07-01	1138	1148.3	1200	1200
2025-06-01	1138	1148.3	1200	1200
2025-05-01	1138	1148.3	1200	1200
2025-04-01	1138	1148.3	1200	1200
2025-03-01	1138	1148.3	1200	1200
2025-02-01	1138	1148.3	1200	1200
2025-01-01	1138	1148.3	1200	1200
2024-12-01	1138	1148.3	1200	1200
2024-11-01	1138	1148.3	1200	1200
2024-10-01	1138	1148.3	1200	1200
2024-09-01	1138	1148.3	1200	1200
2024-08-01	1138	1148.3	1200	1200
2024-07-01	1138	1148.3	1200	1200
2024-09-01	1138	1148.3	1200	1200
2024-05-01	1138	1148.3	1200	1200
2024-04-01	1138	1148.3	1200	1200
2024-03-01	1126.2	1135.9	1200	1200
2024-02-01	1126.2	1135.9	1200	1200
2024-01-01	1126.2	1135.9	1200	1200
2023-12-01	1126.2	1135.9	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	Oikos Chess Tournament 2024 (U21)	2024-03-09	2024-03-09	Standard	Ehlanzeni (MEN)	5	4	2	Yes	Analysis
2	Interhigh 2023 (U15)	2023-07-29	2023-07-29	Standard	Ehlanzeni (MEN)	3	2	2	Yes	Analysis
3	Robbies 2023 (U16)	2023-05-11	2023-05-11	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
4	Oikos Chess Tournament 2023 (U20)	2023-03-11	2023-03-11	Standard	Ehlanzeni (MEN)	5	4	1	Yes	Analysis
5	Chess Unlimited Leap Year Tournament 2020 (B)	2020-02-29	2020-02-29	Standard	Ehlanzeni (MEN)	5	5	2	Yes	Analysis
6	Uplands 2020 (U14)	2020-01-25	2020-01-25	Standard	Ehlanzeni (MEN)	5	5	2	Yes	Analysis
7	Ehlanzeni Open 2019 (D)	2019-07-20	2019-07-20	Standard	Ehlanzeni (MEN)	5	5	0.5	Yes	Analysis
8	De Goede Top 10 2019 (U12)	2019-07-03	2019-07-03	Standard	Ehlanzeni (MEN)	5	5	2	Yes	Analysis
9	Barberton Primary 2019 (U12)	2019-07-27	2019-07-27	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
10	Rob Ferreira 2019 (C)	2019-04-06	2019-04-06	Standard	Ehlanzeni (MEN)	5	5	2	Yes	Analysis
11	Curro Open 2019 (U12)	2019-04-12	2019-04-12	Standard	Ehlanzeni (MEN)	5	5	2.5	Yes	Analysis
12	Uplands Open Age 2019 (U12)	2019-03-09	2019-03-09	Standard	Ehlanzeni (MEN)	5	5	2.5	Yes	Analysis
13	Penryn Age Open 2019 (U12)	2019-02-09	2019-02-09	Standard	Ehlanzeni (MEN)	5	5	2.5	Yes	Analysis
14	Chess Unlimited Open 2019 (C)	2019-01-26	2019-01-26	Standard	Ehlanzeni (MEN)	5	5	1	Yes	Analysis
15	De Goede Top 20 Closed 2018 (U12 Open)	2018-08-18	2018-08-18	Standard	Ehlanzeni (MEN)	5	5	1	Yes	Analysis
16	Malelane Primary 2018 (U12 Open)	2018-07-21	2018-07-21	Standard	Ehlanzeni (MEN)	5	5	2	Yes	Analysis
17	Curro Age Open 2018 (U12 Open)	2018-05-12	2018-05-12	Standard	Ehlanzeni (MEN)	5	5	2	Yes	Analysis
18	Penryn Age Open 2018 (U12 Boys)	2018-04-21	2018-04-21	Standard	Ehlanzeni (MEN)	5	5	2	Yes	Analysis
19	Uplands College Open (C)	2018-03-03	2018-03-03	Standard	Ehlanzeni (MEN)	5	4	2	Yes	Analysis
20	Sabie Primary 2018 (C)	2018-03-10	2018-03-10	Standard	Ehlanzeni (MEN)	5	5	1.5	Yes	Analysis
21	Rob Ferreira Hoerskool Open 2018 (C)	2018-03-17	2018-03-17	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament Robbies 2023				Tournament Interhigh 2023
		date 2023-05-11	rnd 4	type Standard	result 1	date 2023-07-29	rnd 2	type Standard	result 1
		Opponent Clarke, C (Cameron)				Opponent Ximba, S (Samuel)
2	3	Tournament Uplands 2020				Tournament Uplands 2020
		date 2020-01-25	rnd 2	type Standard	result 0.5	date 2020-01-25	rnd 4	type Standard	result 1
		Opponent Mabasa, B (Blessing)				Opponent Roos, M (Melchizedek)
3	3	Tournament Barberton Primary 2019				Tournament Barberton Primary 2019
		date 2019-07-27	rnd 2	type Standard	result 1	date 2019-07-27	rnd 4	type Standard	result 1
		Opponent Maseko, TJ (Thomas)				Opponent Wilson, M (Mikey)

#	Games	Start				End
1	4	Tournament Robbies 2023				Tournament Interhigh 2023
		date 2023-05-11	rnd 4	type Standard	result 1	date 2023-07-29	rnd 2	type Standard	result 1
		Opponent Clarke, C (Cameron)				Opponent Ximba, S (Samuel)
2	3	Tournament Uplands 2020				Tournament Uplands 2020
		date 2020-01-25	rnd 2	type Standard	result 0.5	date 2020-01-25	rnd 4	type Standard	result 1
		Opponent Mabasa, B (Blessing)				Opponent Roos, M (Melchizedek)
3	3	Tournament Barberton Primary 2019				Tournament Barberton Primary 2019
		date 2019-07-27	rnd 2	type Standard	result 1	date 2019-07-27	rnd 4	type Standard	result 1
		Opponent Maseko, TJ (Thomas)				Opponent Wilson, M (Mikey)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Robbies 2023				Tournament Interhigh 2023
		date 2023-05-11	rnd 4	type Standard	result 1	date 2023-07-29	rnd 2	type Standard	result 1
		Opponent Clarke, C (Cameron)				Opponent Ximba, S (Samuel)
2	3	Tournament Barberton Primary 2019				Tournament Barberton Primary 2019
		date 2019-07-27	rnd 2	type Standard	result 1	date 2019-07-27	rnd 4	type Standard	result 1
		Opponent Maseko, TJ (Thomas)				Opponent Wilson, M (Mikey)
3	2	Tournament Oikos Chess Tournament 2024				Tournament Oikos Chess Tournament 2024
		date 2024-03-09	rnd 2	type Standard	result 1	date 2024-03-09	rnd 3	type Standard	result 1
		Opponent Rasivhetshela, S (Shandu)				Opponent Van Rhyn, E (Etienne)

#	Games	Start				End
1	4	Tournament Robbies 2023				Tournament Interhigh 2023
		date 2023-05-11	rnd 4	type Standard	result 1	date 2023-07-29	rnd 2	type Standard	result 1
		Opponent Clarke, C (Cameron)				Opponent Ximba, S (Samuel)
2	3	Tournament Barberton Primary 2019				Tournament Barberton Primary 2019
		date 2019-07-27	rnd 2	type Standard	result 1	date 2019-07-27	rnd 4	type Standard	result 1
		Opponent Maseko, TJ (Thomas)				Opponent Wilson, M (Mikey)
3	2	Tournament Oikos Chess Tournament 2024				Tournament Oikos Chess Tournament 2024
		date 2024-03-09	rnd 2	type Standard	result 1	date 2024-03-09	rnd 3	type Standard	result 1
		Opponent Rasivhetshela, S (Shandu)				Opponent Van Rhyn, E (Etienne)

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 Heerden ,M (Michael)	6	0	-425	6	0	-425	0	0	0	0	0	0
1	Van Heerden ,M (Michael)	6	1034.6	609.6	6	1041.9	609.6	0	0	0	0	0	0
2	Wright-Macpherson ,D (Dakotah)	3	3	425	3	3	425	0	0	0	0	0	0
2	Wright-Macpherson ,D (Dakotah)	3	1027.8	1452.8	3	998.8	1452.8	0	0	0	0	0	0
3	Onwusaka ,L (Lucky)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Onwusaka ,L (Lucky)	2	1250.8	825.8	2	1248.5	825.8	0	0	0	0	0	0
4	Kockemoer ,Z (Zuraide)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Kockemoer ,Z (Zuraide)	2	660.9	235.9	2	691	235.9	0	0	0	0	0	0
5	Joubert ,A (Anika)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Joubert ,A (Anika)	2	1205.8	780.8	2	1205.7	780.8	0	0	0	0	0	0
6	Sibanyoni ,F (Fafa)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
6	Sibanyoni ,F (Fafa)	2	1200	1412.5	2	1200	1412.5	0	0	0	0	0	0
7	Nhlabathi ,L (Lesedi)	2	2	425	2	2	425	0	0	0	0	0	0
7	Nhlabathi ,L (Lesedi)	2	993.2	1418.2	2	982.6	1418.2	0	0	0	0	0	0
8	Grobler ,Z (Zander)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Grobler ,Z (Zander)	2	1186.6	761.6	2	1181.9	761.6	0	0	0	0	0	0
9	Wessels ,M (Meyer)	2	2	425	2	2	425	0	0	0	0	0	0
9	Wessels ,M (Meyer)	2	1109.1	1534.1	2	1100.7	1534.1	0	0	0	0	0	0
10	Ogunjiofor ,O (Onyinye)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Ogunjiofor ,O (Onyinye)	2	1299.9	874.9	2	1299.7	874.9	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

Botha, W (Wian)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms