Chess South Africa Ratings Database

PLAYER PAGE

Personal

Botha, J (Janko)

Chess SA id

101003015

FIDE id

Date of birth

2001-10-13 (Adult)

Gender

Male

Region

Dr Kenneth Kaunda (NWP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-12-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1057.5	1055.3	1102.9	1102.9
Raw rating	1057.5	1055.3	1102.9	1102.9
Weighted rating	1057.4	1055.3	1102.9	1102.9
Weighted performance	0	0	0	0
Floor	602.9	602.9	602.9	602.9
K-factor	40	40	40	40
Min/Max rating change allowed	203.1	203.8	190.4	190.4
Highest rating	1203.9 2018-01-01	1203.9 2018-01-01	1200 2024-03-01	1200 2024-03-01
Highest raw rating	1102.9 2018-01-01	1102.9 2018-01-01	1102.9 2024-03-01	1102.9 2024-03-01
Highest weighted rating	1102.9 2024-11-01	1102.9 2024-11-01	1102.9 2024-11-01	1102.9 2024-11-01
Highest weighted performance	1203.9 2018-01-01	1203.9 2018-01-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1057.5	1055.3	1102.9	1102.9
Analysis
Rating	1057.5	1055.3	1102.9	1102.9
Raw rating	1057.5	1055.3	1102.9	1102.9
Weighted rating	1057.4	1055.3	1102.9
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	602.9	602.9	602.9	602.9
Max/Min rating change allowed	203.1	203.8	190.4	190.4
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	1057.5	1055.3	1102.9	1102.9
New weighted rating	1057.5	1055.3	1102.9	1102.9
New weighted performance	0	0	0	0
Temp new rating	1057.5	1055.3	1102.9	1102.9
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1057.5	1055.3	1102.9	1102.9
New K-factor	40	40	40	40
New floor	602.9	602.9	602.9	602.9

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	258	258

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Dr Kenneth Kaunda (NWP)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	18	4	22.22	-236.1	1305.3	1069.2
Standard	18	4	22.22	-236.1	1305.3	1069.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1057.5	1055.3	1102.9	1102.9
2025-09-30	1057.5	1055.3	1102.9	1102.9
2025-09-01	1057.5	1055.3	1102.9	1102.9
2025-08-01	1057.5	1055.3	1102.9	1102.9
2025-07-01	1057.5	1055.3	1102.9	1102.9
2025-06-01	1057.5	1055.3	1102.9	1102.9
2025-05-01	1057.5	1055.3	1102.9	1102.9
2025-04-01	1057.5	1055.3	1102.9	1102.9
2025-03-01	1057.5	1055.3	1102.9	1102.9
2025-02-01	1057.5	1055.3	1102.9	1102.9
2025-01-01	1057.5	1055.3	1102.9	1102.9
2024-12-01	1057.5	1055.3	1102.9	1102.9
2024-11-01	1057.5	1055.3	1102.9	1102.9
2024-10-01	1057.5	1055.3	1102.9	1102.9
2024-09-01	1057.5	1055.3	1102.9	1102.9
2024-08-01	1057.5	1055.3	1102.9	1102.9
2024-07-01	1057.5	1055.3	1102.9	1102.9
2024-09-01	1057.5	1055.3	1102.9	1102.9
2024-05-01	1057.5	1055.3	1102.9	1102.9
2024-04-01	1057.5	1055.3	1102.9	1102.9
2024-03-01	1057.5	1055.3	1102.9	1102.9
2024-02-01	1057.5	1055.3	1102.9	1102.9
2024-01-01	1057.5	1055.3	1102.9	1102.9
2023-12-01	1049.4	1048.9	1102.9	1102.9

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	South African Junior Team Championships 2018 (U18B)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	1.5	Yes	Analysis
2	Driefontein Proewe 2018 (O20 Seuns)	2018-07-28	2018-07-28	Standard	Dr Kenneth Kaunda (NWP)	5	4	1.5	Yes	Analysis
3	South African Junior Team Championships 2017 (U18A)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-18	rnd 5	type Standard	result 0.5	date 2018-12-19	rnd 6	type Standard	result 1
		Opponent Juta, C (Cornell)				Opponent Lewis, H (Henrique)
2	2	Tournament Driefontein Proewe 2018				Tournament Driefontein Proewe 2018
		date 2018-07-28	rnd 4	type Standard	result 1	date 2018-07-28	rnd 5	type Standard	result 0.5
		Opponent James, S (Sebenzile)				Opponent Fouche, J (Janu)
3	1	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-08	rnd 7	type Standard	result 0.5	date 2018-01-08	rnd 7	type Standard	result 0.5
		Opponent Mantje, K (Katleho)				Opponent Mantje, K (Katleho)

#	Games	Start				End
1	2	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-18	rnd 5	type Standard	result 0.5	date 2018-12-19	rnd 6	type Standard	result 1
		Opponent Juta, C (Cornell)				Opponent Lewis, H (Henrique)
2	2	Tournament Driefontein Proewe 2018				Tournament Driefontein Proewe 2018
		date 2018-07-28	rnd 4	type Standard	result 1	date 2018-07-28	rnd 5	type Standard	result 0.5
		Opponent James, S (Sebenzile)				Opponent Fouche, J (Janu)
3	1	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-08	rnd 7	type Standard	result 0.5	date 2018-01-08	rnd 7	type Standard	result 0.5
		Opponent Mantje, K (Katleho)				Opponent Mantje, K (Katleho)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-19	rnd 6	type Standard	result 1	date 2018-12-19	rnd 6	type Standard	result 1
		Opponent Lewis, H (Henrique)				Opponent Lewis, H (Henrique)
2	1	Tournament Driefontein Proewe 2018				Tournament Driefontein Proewe 2018
		date 2018-07-28	rnd 4	type Standard	result 1	date 2018-07-28	rnd 4	type Standard	result 1
		Opponent James, S (Sebenzile)				Opponent James, S (Sebenzile)

#	Games	Start				End
1	1	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-19	rnd 6	type Standard	result 1	date 2018-12-19	rnd 6	type Standard	result 1
		Opponent Lewis, H (Henrique)				Opponent Lewis, H (Henrique)
2	1	Tournament Driefontein Proewe 2018				Tournament Driefontein Proewe 2018
		date 2018-07-28	rnd 4	type Standard	result 1	date 2018-07-28	rnd 4	type Standard	result 1
		Opponent James, S (Sebenzile)				Opponent James, S (Sebenzile)

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	Lewis ,H (Henrique)	1	1	425	1	1	425	0	0	0	0	0	0
1	Lewis ,H (Henrique)	1	1013.9	1438.9	1	1019.6	1438.9	0	0	0	0	0	0
2	Vester ,J (Jordan)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Vester ,J (Jordan)	1	1881	1456	1	1881	1456	0	0	0	0	0	0
3	Zondo ,LC (Linda Cyril)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Zondo ,LC (Linda Cyril)	1	1297.7	872.7	1	1297.7	872.7	0	0	0	0	0	0
4	Maseng ,GT (Gomolemo Thebetsile)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Maseng ,GT (Gomolemo Thebetsile)	1	1153.3	728.3	1	1158.2	728.3	0	0	0	0	0	0
5	Mantje ,K (Katleho)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Mantje ,K (Katleho)	1	1226.7	1226.7	1	1226.7	1226.7	0	0	0	0	0	0
6	To ,H (Himson)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	To ,H (Himson)	1	1235.5	810.5	1	1235.5	810.5	0	0	0	0	0	0
7	Pelser ,C (Casper-Hugo)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Pelser ,C (Casper-Hugo)	1	1335.8	910.8	1	1343.5	910.8	0	0	0	0	0	0
8	James ,S (Sebenzile)	1	1	425	1	1	425	0	0	0	0	0	0
8	James ,S (Sebenzile)	1	1087.3	1512.3	1	1084.9	1512.3	0	0	0	0	0	0
9	Blomeyer ,C (Chad)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Blomeyer ,C (Chad)	1	1406.9	981.9	1	1406.9	981.9	0	0	0	0	0	0
10	Roux ,D (Duval)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Roux ,D (Duval)	1	991.6	566.6	1	995.8	566.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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Statistics

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PLAYER PAGE

Personal

Botha, J (Janko)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms