Chess South Africa Ratings Database

PLAYER PAGE

Personal

Johnstone, L (Luc)

Chess SA id

101014217

FIDE id

Date of birth

2001-06-07 (Adult)

Gender

Male

Region

Buffalo City (EBC)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-03-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1158.2	1169.4	1047	1047
Raw rating	1158.2	1169.4	1047	1047
Weighted rating	1158.2	1169.4	1047	1047
Weighted performance	0	0	0	0
Floor	658.2	669.4	547	547
K-factor	40	40	40	40
Min/Max rating change allowed	176	173.2	206.2	206.2
Highest rating	1300.4 2019-03-01	1285 2019-03-01	1200 2024-03-01	1200 2024-03-01
Highest raw rating	1158.2 2024-03-01	1169.4 2024-03-01	1047 2024-03-01	1047 2024-03-01
Highest weighted rating	1158.2 2024-11-01	1169.4 2024-11-01	1047 2024-11-01	1047 2024-11-01
Highest weighted performance	1300.4 2019-03-01	1285 2019-03-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1158.2	1169.4	1047	1047
Analysis
Rating	1158.2	1169.4	1047	1047
Raw rating	1158.2	1169.4	1047	1047
Weighted rating	1158.2	1169.4	1047
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	658.2	669.4	547	547
Max/Min rating change allowed	176	173.2	206.2	206.2
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	1158.2	1169.4	1047	1047
New weighted rating	1158.2	1169.4	1047	1047
New weighted performance	0	0	0	0
Temp new rating	1158.2	1169.4	1047	1047
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1158.2	1169.4	1047	1047
New K-factor	40	40	40	40
New floor	658.2	669.4	547	547

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	104	104

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Buffalo City (EBC)
Province	Eastern Cape (EC)
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	15	10	66.67	141.7	1115.6	1257.3
Standard	15	10	66.67	141.7	1115.6	1257.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1158.2	1169.4	1047	1047
2025-09-01	1158.2	1169.4	1047	1047
2025-08-01	1158.2	1169.4	1047	1047
2025-07-01	1158.2	1169.4	1047	1047
2025-06-01	1158.2	1169.4	1047	1047
2025-05-01	1158.2	1169.4	1047	1047
2025-04-01	1158.2	1169.4	1047	1047
2025-03-01	1158.2	1169.4	1047	1047
2025-02-01	1158.2	1169.4	1047	1047
2025-01-01	1158.2	1169.4	1047	1047
2024-12-01	1158.2	1169.4	1047	1047
2024-11-01	1158.2	1169.4	1047	1047
2024-10-01	1158.2	1169.4	1047	1047
2024-09-01	1158.2	1169.4	1047	1047
2024-08-01	1158.2	1169.4	1047	1047
2024-07-01	1158.2	1169.4	1047	1047
2024-06-01	1158.2	1169.4	1047	1047
2024-08-01	1158.2	1169.4	1047	1047
2024-04-01	1158.2	1169.4	1047	1047
2024-03-01	1158.2	1169.4	1047	1047
2024-02-01	1158.2	1169.4	1047	1047
2024-01-01	1158.2	1169.4	1047	1047
2023-12-01	1158.2	1169.4	1047	1047
2023-11-01	1158.2	1169.4	1047	1047

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	Buffalo City Trials 4 of 5 2019 (U18A+U20A)	2019-04-06	2019-04-06	Standard	Buffalo City (EBC)	5	0	0	No	Analysis
2	Buffalo City Trials 3 of 5 2019 (U18A-Open)	2019-03-02	2019-03-02	Standard	Buffalo City (EBC)	5	5	4	Yes	Analysis
3	Buffalo City Trials 2 of 5 2019 (U18A+U20A)	2019-02-16	2019-02-16	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
4	Buffalo City Trials 1 of 5 2019 (U18-Open)	2019-02-02	2019-02-02	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament Buffalo City Trials 2 of 5 2019				Tournament Buffalo City Trials 3 of 5 2019
		date 2019-02-16	rnd 5	type Standard	result 1	date 2019-03-02	rnd 3	type Standard	result 1
		Opponent Madyibi, L (Lathitha)				Opponent Hotyo, Z (Zimasile)
2	4	Tournament Buffalo City Trials 1 of 5 2019				Tournament Buffalo City Trials 2 of 5 2019
		date 2019-02-02	rnd 4	type Standard	result 1	date 2019-02-16	rnd 2	type Standard	result 1
		Opponent Mabasa, B (Blessed)				Opponent Makeleni, S (Simamkele)
3	1	Tournament Buffalo City Trials 3 of 5 2019				Tournament Buffalo City Trials 3 of 5 2019
		date 2019-03-02	rnd 5	type Standard	result 1	date 2019-03-02	rnd 5	type Standard	result 1
		Opponent Ntlahla, N (Nkqwili)				Opponent Ntlahla, N (Nkqwili)

#	Games	Start				End
1	4	Tournament Buffalo City Trials 2 of 5 2019				Tournament Buffalo City Trials 3 of 5 2019
		date 2019-02-16	rnd 5	type Standard	result 1	date 2019-03-02	rnd 3	type Standard	result 1
		Opponent Madyibi, L (Lathitha)				Opponent Hotyo, Z (Zimasile)
2	4	Tournament Buffalo City Trials 1 of 5 2019				Tournament Buffalo City Trials 2 of 5 2019
		date 2019-02-02	rnd 4	type Standard	result 1	date 2019-02-16	rnd 2	type Standard	result 1
		Opponent Mabasa, B (Blessed)				Opponent Makeleni, S (Simamkele)
3	1	Tournament Buffalo City Trials 3 of 5 2019				Tournament Buffalo City Trials 3 of 5 2019
		date 2019-03-02	rnd 5	type Standard	result 1	date 2019-03-02	rnd 5	type Standard	result 1
		Opponent Ntlahla, N (Nkqwili)				Opponent Ntlahla, N (Nkqwili)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Buffalo City Trials 2 of 5 2019				Tournament Buffalo City Trials 3 of 5 2019
		date 2019-02-16	rnd 5	type Standard	result 1	date 2019-03-02	rnd 3	type Standard	result 1
		Opponent Madyibi, L (Lathitha)				Opponent Hotyo, Z (Zimasile)
2	4	Tournament Buffalo City Trials 1 of 5 2019				Tournament Buffalo City Trials 2 of 5 2019
		date 2019-02-02	rnd 4	type Standard	result 1	date 2019-02-16	rnd 2	type Standard	result 1
		Opponent Mabasa, B (Blessed)				Opponent Makeleni, S (Simamkele)
3	1	Tournament Buffalo City Trials 3 of 5 2019				Tournament Buffalo City Trials 3 of 5 2019
		date 2019-03-02	rnd 5	type Standard	result 1	date 2019-03-02	rnd 5	type Standard	result 1
		Opponent Ntlahla, N (Nkqwili)				Opponent Ntlahla, N (Nkqwili)

#	Games	Start				End
1	4	Tournament Buffalo City Trials 2 of 5 2019				Tournament Buffalo City Trials 3 of 5 2019
		date 2019-02-16	rnd 5	type Standard	result 1	date 2019-03-02	rnd 3	type Standard	result 1
		Opponent Madyibi, L (Lathitha)				Opponent Hotyo, Z (Zimasile)
2	4	Tournament Buffalo City Trials 1 of 5 2019				Tournament Buffalo City Trials 2 of 5 2019
		date 2019-02-02	rnd 4	type Standard	result 1	date 2019-02-16	rnd 2	type Standard	result 1
		Opponent Mabasa, B (Blessed)				Opponent Makeleni, S (Simamkele)
3	1	Tournament Buffalo City Trials 3 of 5 2019				Tournament Buffalo City Trials 3 of 5 2019
		date 2019-03-02	rnd 5	type Standard	result 1	date 2019-03-02	rnd 5	type Standard	result 1
		Opponent Ntlahla, N (Nkqwili)				Opponent Ntlahla, N (Nkqwili)

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	Ntlahla ,N (Nkqwili)	1	1	425	1	1	425	0	0	0	0	0	0
1	Ntlahla ,N (Nkqwili)	1	1208.8	1633.8	1	1168	1633.8	0	0	0	0	0	0
2	Pupuma ,S (Spumezo)	1	1	425	1	1	425	0	0	0	0	0	0
2	Pupuma ,S (Spumezo)	1	1014.3	1439.3	1	1015	1439.3	0	0	0	0	0	0
3	Abraham ,K (Karan)	1	1	425	1	1	425	0	0	0	0	0	0
3	Abraham ,K (Karan)	1	1249.8	1674.8	1	1247.4	1674.8	0	0	0	0	0	0
4	Hotyo ,Z (Zimasile)	1	1	425	1	1	425	0	0	0	0	0	0
4	Hotyo ,Z (Zimasile)	1	1185.6	1610.6	1	1130	1610.6	0	0	0	0	0	0
5	Mabasa ,B (Blessed)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mabasa ,B (Blessed)	1	864.1	1289.1	1	819.6	1289.1	0	0	0	0	0	0
6	Bala ,B (Lubabalo)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Bala ,B (Lubabalo)	1	1105.6	680.6	1	1110	680.6	0	0	0	0	0	0
7	Skade ,O (Olwethu)	1	1	425	1	1	425	0	0	0	0	0	0
7	Skade ,O (Olwethu)	1	904.5	1329.5	1	871.2	1329.5	0	0	0	0	0	0
8	Guma ,S (Sityhilelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Guma ,S (Sityhilelo)	1	1068.9	643.9	1	1047.2	643.9	0	0	0	0	0	0
9	Gwayi ,L (Lunathi)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Gwayi ,L (Lunathi)	1	1233.8	808.8	1	1237	808.8	0	0	0	0	0	0
10	Makeleni ,S (Simamkele)	1	1	425	1	1	425	0	0	0	0	0	0
10	Makeleni ,S (Simamkele)	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

Grand Prix

Statistics

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PLAYER PAGE

Personal

Johnstone, L (Luc)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms