Chess South Africa Ratings Database

PLAYER PAGE

Personal

Botha, W (Wian)

Chess SA id

1120156225

FIDE id

Date of birth

2012-06-25 (U14)

Gender

Male

Region

West Rand (GWR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-08-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1222.3	1223.4	1200	1200
Raw rating	1222.3	1223.4	1200	1200
Weighted rating	1222.1	1223.2	1200	1200
Weighted performance	0	0	0	0
Floor	782.8	799.7	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	160.6	160.4	165.8	165.8
Highest rating	1508.1 2023-07-01	1510.2 2023-07-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1282.8 2023-08-01	1299.7 2023-08-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1282.8 2025-04-01	1299.7 2025-04-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1508.1 2023-07-01	1510.2 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	1222.3	1223.4	1200	1200
Analysis
Rating	1222.3	1223.4	1200	1200
Raw rating	1222.3	1223.4	1200	1200
Weighted rating	1222.1	1223.2	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	782.8	799.7	700	700
Max/Min rating change allowed	160.6	160.4	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	1222.3	1223.4	1200	1200
New weighted rating	1222.2	1223.2	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1222.3	1223.4	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1222.3	1223.4	1200	1200
New K-factor	36	36	36	36
New floor	782.8	799.7	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	15	15
	0	0
	0	0
History	15	15

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	West Rand (GWR)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	15	8.5	56.67	56.7	1210.2	1266.9
Standard	15	8.5	56.67	56.7	1210.2	1266.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1222.3	1223.4	1200	1200
2025-09-30	1222.3	1223.4	1200	1200
2025-09-01	1222.3	1223.4	1200	1200
2025-08-01	1222.3	1223.4	1200	1200
2025-07-01	1222.3	1223.4	1200	1200
2025-06-01	1222.3	1223.4	1200	1200
2025-05-01	1222.3	1223.4	1200	1200
2025-04-01	1222.3	1223.4	1200	1200
2025-03-01	1222.3	1223.4	1200	1200
2025-02-01	1222.2	1223.3	1200	1200
2025-01-01	1221.8	1222.7	1200	1200
2024-12-01	1221.8	1222.7	1200	1200
2024-11-01	1221.8	1222.7	1200	1200
2024-10-01	1221.8	1222.7	1200	1200
2024-09-01	1221.8	1222.7	1200	1200
2024-08-01	1221.8	1222.7	1200	1200
2024-07-01	1221.8	1222.7	1200	1200
2024-09-01	1221.8	1222.7	1200	1200
2024-05-01	1221.8	1222.7	1200	1200
2024-04-01	1221.8	1222.7	1200	1200
2024-03-01	1221.8	1222.7	1200	1200
2024-02-01	1221.8	1222.7	1200	1200
2024-01-01	1221.8	1222.7	1200	1200
2023-12-01	1221.8	1222.7	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	2023 Gauteng Top Schools (U11 Mixed)	2023-08-18	2023-08-18	Standard	West Rand (GWR)	5	5	1	Yes	Analysis
2	D2 School League Finals 2023 (U11)	2023-07-22	2023-07-22	Standard	West Rand (GWR)	5	5	5	Yes	Analysis
3	D2 Schools Individuals 2023 (U11 Boys)	2023-05-13	2023-05-13	Standard	West Rand (GWR)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	6	Tournament D2 School League Finals 2023				Tournament 2023 Gauteng Top Schools
		date 2023-07-22	rnd 1	type Standard	result 1	date 2023-08-18	rnd 1	type Standard	result 1
		Opponent Tuck, L (Logan)				Opponent Zwane, K (Kelly)
2	2	Tournament D2 Schools Individuals 2023				Tournament D2 Schools Individuals 2023
		date 2023-05-13	rnd 1	type Standard	result 0.5	date 2023-05-13	rnd 2	type Standard	result 1
		Opponent Casimiro Van Wyk, N (Nathan)				Opponent Van Niekerk, R (Ryan)
3	1	Tournament D2 Schools Individuals 2023				Tournament D2 Schools Individuals 2023
		date 2023-05-13	rnd 4	type Standard	result 1	date 2023-05-13	rnd 4	type Standard	result 1
		Opponent Kemorwe, T (Thabang)				Opponent Kemorwe, T (Thabang)

#	Games	Start				End
1	6	Tournament D2 School League Finals 2023				Tournament 2023 Gauteng Top Schools
		date 2023-07-22	rnd 1	type Standard	result 1	date 2023-08-18	rnd 1	type Standard	result 1
		Opponent Tuck, L (Logan)				Opponent Zwane, K (Kelly)
2	2	Tournament D2 Schools Individuals 2023				Tournament D2 Schools Individuals 2023
		date 2023-05-13	rnd 1	type Standard	result 0.5	date 2023-05-13	rnd 2	type Standard	result 1
		Opponent Casimiro Van Wyk, N (Nathan)				Opponent Van Niekerk, R (Ryan)
3	1	Tournament D2 Schools Individuals 2023				Tournament D2 Schools Individuals 2023
		date 2023-05-13	rnd 4	type Standard	result 1	date 2023-05-13	rnd 4	type Standard	result 1
		Opponent Kemorwe, T (Thabang)				Opponent Kemorwe, T (Thabang)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament D2 School League Finals 2023				Tournament 2023 Gauteng Top Schools
		date 2023-07-22	rnd 1	type Standard	result 1	date 2023-08-18	rnd 1	type Standard	result 1
		Opponent Tuck, L (Logan)				Opponent Zwane, K (Kelly)
2	1	Tournament D2 Schools Individuals 2023				Tournament D2 Schools Individuals 2023
		date 2023-05-13	rnd 4	type Standard	result 1	date 2023-05-13	rnd 4	type Standard	result 1
		Opponent Kemorwe, T (Thabang)				Opponent Kemorwe, T (Thabang)
3	1	Tournament D2 Schools Individuals 2023				Tournament D2 Schools Individuals 2023
		date 2023-05-13	rnd 2	type Standard	result 1	date 2023-05-13	rnd 2	type Standard	result 1
		Opponent Van Niekerk, R (Ryan)				Opponent Van Niekerk, R (Ryan)

#	Games	Start				End
1	6	Tournament D2 School League Finals 2023				Tournament 2023 Gauteng Top Schools
		date 2023-07-22	rnd 1	type Standard	result 1	date 2023-08-18	rnd 1	type Standard	result 1
		Opponent Tuck, L (Logan)				Opponent Zwane, K (Kelly)
2	1	Tournament D2 Schools Individuals 2023				Tournament D2 Schools Individuals 2023
		date 2023-05-13	rnd 4	type Standard	result 1	date 2023-05-13	rnd 4	type Standard	result 1
		Opponent Kemorwe, T (Thabang)				Opponent Kemorwe, T (Thabang)
3	1	Tournament D2 Schools Individuals 2023				Tournament D2 Schools Individuals 2023
		date 2023-05-13	rnd 2	type Standard	result 1	date 2023-05-13	rnd 2	type Standard	result 1
		Opponent Van Niekerk, R (Ryan)				Opponent Van Niekerk, R (Ryan)

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	Casimiro Van Wyk ,N (Nathan)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
1	Casimiro Van Wyk ,N (Nathan)	2	1339.7	1552.2	2	1356.8	1552.2	0	0	0	0	0	0
2	Shi ,K (Kai Xi)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Shi ,K (Kai Xi)	1	1144.9	719.9	1	1132.4	719.9	0	0	0	0	0	0
3	Arlow ,J (Jaden)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Arlow ,J (Jaden)	1	1176.8	751.8	1	1174	751.8	0	0	0	0	0	0
4	Swart ,D (Dominico)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Swart ,D (Dominico)	1	1211.6	786.6	1	1213.2	786.6	0	0	0	0	0	0
5	Zwane ,K (Kelly)	1	1	425	1	1	425	0	0	0	0	0	0
5	Zwane ,K (Kelly)	1	1152.5	1577.5	1	1148.4	1577.5	0	0	0	0	0	0
6	Tuck ,L (Logan)	1	1	425	1	1	425	0	0	0	0	0	0
6	Tuck ,L (Logan)	1	1188.7	1613.7	1	1184.5	1613.7	0	0	0	0	0	0
7	Van Niekerk ,R (Ryan)	1	1	425	1	1	425	0	0	0	0	0	0
7	Van Niekerk ,R (Ryan)	1	1161.8	1586.8	1	1152.8	1586.8	0	0	0	0	0	0
8	Kemorwe ,T (Thabang)	1	1	425	1	1	425	0	0	0	0	0	0
8	Kemorwe ,T (Thabang)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Mabena ,T (Themba)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Mabena ,T (Themba)	1	1211	786	1	1211.1	786	0	0	0	0	0	0
10	Botha ,H (Henry Hendrik J)	1	1	425	1	1	425	0	0	0	0	0	0
10	Botha ,H (Henry Hendrik J)	1	1200	1625	1	1200	1625	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, 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