Chess South Africa Ratings Database

PLAYER PAGE

Personal

Le Roux, J (Johannes)

Chess SA id

1130112187

FIDE id

Date of birth

2013-10-07 (U14)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-07-06

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1247	1243	1200	1200
Raw rating	1247	1243	1200	1200
Weighted rating	1246.5	1242.3	1200	1200
Weighted performance	999.2	996.7	0	0
Floor	830.2	848.9	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	155.1	156	165.8	165.8
Highest rating	1473.2 2020-02-01	1468 2020-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1330.2 2020-03-01	1348.9 2020-03-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1330.2 2021-08-01	1348.9 2021-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1473.2 2020-02-01	1468 2020-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1247	1243	1200	1200
Analysis
Rating	1247	1243	1200	1200
Raw rating	1247	1243	1200	1200
Weighted rating	1246.5	1242.3	1200
Weighted performance	999.2	996.7	0
K-factor	36	36	36	36
Floor	830.2	848.9	700	700
Max/Min rating change allowed	155.1	156	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	1247	1243	1200	1200
New weighted rating	1246.4	1242.2	1200	1200
New weighted performance	998.7	996.3	0	0
Temp new rating	1247	1243	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1247	1243	1200	1200
New K-factor	36	36	36	36
New floor	830.2	848.9	700	700

Item	Main	Standard
	0	0
	0	0
	20	20
	5	5
	5	5
	5	5
History	54	54

Games since
	Main 20	Standard 20		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Tshwane (GTP)
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	54	32.5	60.19	86.6	1188.6	1275.2
Standard	54	32.5	60.19	86.6	1188.6	1275.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1247	1243	1200	1200
2025-09-01	1247	1243	1200	1200
2025-08-01	1247	1243	1200	1200
2025-07-01	1247	1243	1200	1200
2025-06-01	1247	1243	1200	1200
2025-05-01	1247	1243	1200	1200
2025-04-01	1247	1243	1200	1200
2025-03-01	1247	1243	1200	1200
2025-02-01	1246.6	1242.5	1200	1200
2025-01-01	1239.7	1234	1200	1200
2024-12-01	1239.7	1234	1200	1200
2024-11-01	1239.7	1234	1200	1200
2024-10-01	1239.7	1234	1200	1200
2024-09-01	1239.7	1234	1200	1200
2024-08-01	1239.7	1234	1200	1200
2024-07-01	1257.6	1255.2	1200	1200
2024-06-01	1257.6	1255.2	1200	1200
2024-08-01	1257.6	1255.2	1200	1200
2024-04-01	1257.6	1255.2	1200	1200
2024-03-01	1257.9	1255.9	1200	1200
2024-02-01	1250.1	1247.6	1200	1200
2024-01-01	1249.2	1246.2	1200	1200
2023-12-01	1249.2	1246.2	1200	1200
2023-11-01	1249.2	1246.2	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	2024 Prestige College Open Chess Tournament (D)	2024-07-06	2024-07-06	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
2	2024 Lubowski Open Chess Tournament (D1)	2024-03-23	2024-03-24	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
3	2024 Tshwane Chess AHS Open Chess Tournament (D2)	2024-02-24	2024-02-24	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
4	2024 Tshwane Chess OPEN Registration Tournament (D1)	2024-01-27	2024-01-27	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
5	2023 Centurion Chess Open (D)	2023-09-23	2023-09-23	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
6	2022 Chris Greyling Open (D)	2022-03-12	2022-03-12	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
7	2021 Gauteng North Open Tournament (D)	2021-08-28	2021-08-29	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
8	2020 Constantiapark Open Chess Tournament (F)	2020-02-08	2020-02-08	Standard	Tshwane (GTP)	5	4	4	Yes	Analysis
9	2020 Registration Tournament (F)	2020-01-25	2020-01-25	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
10	2019 Alekhine Open (F)	2019-08-09	2019-08-09	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
11	2019 Capablanca Chess Festival (Swiss F)	2019-04-19	2019-04-19	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	14	Tournament 2019 Alekhine Open				Tournament 2021 Gauteng North Open Tournament
		date 2019-08-09	rnd 2	type Standard	result 0.5	date 2021-08-28	rnd 1	type Standard	result 1
		Opponent Steyn, H (Henco)				Opponent Coetzee, J (Juane)
2	3	Tournament 2024 Tshwane Chess OPEN Registration Tournament				Tournament 2024 Tshwane Chess AHS Open Chess Tournament
		date 2024-01-27	rnd 5	type Standard	result 0.5	date 2024-02-24	rnd 2	type Standard	result 1
		Opponent Olivier, T (Theana)				Opponent Nthle, P (Palesa)
3	2	Tournament 2023 Centurion Chess Open				Tournament 2023 Centurion Chess Open
		date 2023-09-23	rnd 3	type Standard	result 1	date 2023-09-23	rnd 4	type Standard	result 1
		Opponent Botes, L (Lodewyk)				Opponent Kubheka, T (Thando)

#	Games	Start				End
1	14	Tournament 2019 Alekhine Open				Tournament 2021 Gauteng North Open Tournament
		date 2019-08-09	rnd 2	type Standard	result 0.5	date 2021-08-28	rnd 1	type Standard	result 1
		Opponent Steyn, H (Henco)				Opponent Coetzee, J (Juane)
2	3	Tournament 2024 Tshwane Chess OPEN Registration Tournament				Tournament 2024 Tshwane Chess AHS Open Chess Tournament
		date 2024-01-27	rnd 5	type Standard	result 0.5	date 2024-02-24	rnd 2	type Standard	result 1
		Opponent Olivier, T (Theana)				Opponent Nthle, P (Palesa)
3	2	Tournament 2023 Centurion Chess Open				Tournament 2023 Centurion Chess Open
		date 2023-09-23	rnd 3	type Standard	result 1	date 2023-09-23	rnd 4	type Standard	result 1
		Opponent Botes, L (Lodewyk)				Opponent Kubheka, T (Thando)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	11	Tournament 2019 Alekhine Open				Tournament 2021 Gauteng North Open Tournament
		date 2019-08-09	rnd 5	type Standard	result 1	date 2021-08-28	rnd 1	type Standard	result 1
		Opponent De Graaff, R (Ruben)				Opponent Coetzee, J (Juane)
2	2	Tournament 2024 Tshwane Chess AHS Open Chess Tournament				Tournament 2024 Tshwane Chess AHS Open Chess Tournament
		date 2024-02-24	rnd 1	type Standard	result 1	date 2024-02-24	rnd 2	type Standard	result 1
		Opponent Jugmohan, V (Vihar)				Opponent Nthle, P (Palesa)
3	2	Tournament 2023 Centurion Chess Open				Tournament 2023 Centurion Chess Open
		date 2023-09-23	rnd 3	type Standard	result 1	date 2023-09-23	rnd 4	type Standard	result 1
		Opponent Botes, L (Lodewyk)				Opponent Kubheka, T (Thando)

#	Games	Start				End
1	11	Tournament 2019 Alekhine Open				Tournament 2021 Gauteng North Open Tournament
		date 2019-08-09	rnd 5	type Standard	result 1	date 2021-08-28	rnd 1	type Standard	result 1
		Opponent De Graaff, R (Ruben)				Opponent Coetzee, J (Juane)
2	2	Tournament 2024 Tshwane Chess AHS Open Chess Tournament				Tournament 2024 Tshwane Chess AHS Open Chess Tournament
		date 2024-02-24	rnd 1	type Standard	result 1	date 2024-02-24	rnd 2	type Standard	result 1
		Opponent Jugmohan, V (Vihar)				Opponent Nthle, P (Palesa)
3	2	Tournament 2023 Centurion Chess Open				Tournament 2023 Centurion Chess Open
		date 2023-09-23	rnd 3	type Standard	result 1	date 2023-09-23	rnd 4	type Standard	result 1
		Opponent Botes, L (Lodewyk)				Opponent Kubheka, T (Thando)

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	Yang ,S (Selina)	2	1	0	2	1	0	0	0	0	0	0	0
1	Yang ,S (Selina)	2	1116.9	1116.9	2	1107.5	1116.9	0	0	0	0	0	0
2	Jacobs ,R (Rico)	2	1	0	2	1	0	0	0	0	0	0	0
2	Jacobs ,R (Rico)	2	1070.9	1070.9	2	1058	1070.9	0	0	0	0	0	0
3	Erasmus ,S (Stephan Danie)	2	2	425	2	2	425	0	0	0	0	0	0
3	Erasmus ,S (Stephan Danie)	2	1183.1	1608.1	2	1179.6	1608.1	0	0	0	0	0	0
4	Rambritch ,R (Rishik)	2	2	425	2	2	425	0	0	0	0	0	0
4	Rambritch ,R (Rishik)	2	1201	1626	2	1201.2	1626	0	0	0	0	0	0
5	Songoane ,S (Sifiso)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Songoane ,S (Sifiso)	1	1319.8	894.8	1	1313.7	894.8	0	0	0	0	0	0
6	Human ,Z (Zachariah)	1	1	425	1	1	425	0	0	0	0	0	0
6	Human ,Z (Zachariah)	1	1179.4	1604.4	1	1175.3	1604.4	0	0	0	0	0	0
7	Gounder ,A (Arun)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Gounder ,A (Arun)	1	1069.7	644.7	1	1075.6	644.7	0	0	0	0	0	0
8	Opperman ,J (Jordan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Opperman ,J (Jordan)	1	1297.8	872.8	1	1293.9	872.8	0	0	0	0	0	0
9	Da Costa ,E (Ethan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Da Costa ,E (Ethan)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Jansen Van Rensburg ,N (Nicholas)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Jansen Van Rensburg ,N (Nicholas)	1	1260.9	835.9	1	1247	835.9	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

Le Roux, J (Johannes)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms