Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pretorius, L (Logan)

Chess SA id

1090097153

FIDE id

Date of birth

2009-05-26 (U18)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-03-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1162.8	1171.6	1160	1200
Raw rating	1162.8	1171.6	1160	1200
Weighted rating	1162.8	1171.6	1160	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	174.8	172.7	175.5	165.8
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01
Highest weighted performance	1200 2024-12-01	1200 2018-02-01	1200 2024-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1162.8	1171.6	1160	1200
Analysis
Rating	1162.8	1171.6	1160	1200
Raw rating	1162.8	1171.6	1160	1200
Weighted rating	1162.8	1171.6	1160
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	174.8	172.7	175.5	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	1162.8	1171.6	1160	1200
New weighted rating	1162.8	1171.6	1160	1200
New weighted performance	0	0	0	0
Temp new rating	1162.8	1171.6	1160	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1162.8	1171.6	1160	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	26	21	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
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	26	11	42.31	-65.4	1162.4	1097
Standard	21	9	42.86	-60.7	1175	1114.3
Rapid	5	2	40	-85	1109.5	1024.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1162.8	1171.6	1160	1200
2025-11-30	1162.8	1171.6	1160	1200
2025-11-01	1162.8	1171.6	1160	1200
2025-09-30	1162.8	1171.6	1160	1200
2025-09-01	1162.8	1171.6	1160	1200
2025-08-01	1162.8	1171.6	1160	1200
2025-07-01	1162.8	1171.6	1160	1200
2025-06-01	1162.8	1171.6	1160	1200
2025-05-01	1162.8	1171.6	1160	1200
2025-04-01	1162.8	1171.6	1160	1200
2025-03-01	1162.8	1171.6	1160	1200
2025-02-01	1162.8	1171.6	1160	1200
2025-01-01	1162.8	1171.6	1160	1200
2024-12-01	1162.8	1171.6	1160	1200
2024-11-01	1162.8	1171.6	1160	1200
2024-10-01	1162.8	1171.6	1160	1200
2024-09-01	1162.8	1171.6	1160	1200
2024-11-01	1162.8	1171.6	1160	1200
2024-07-01	1162.8	1171.6	1160	1200
2024-06-01	1162.8	1171.6	1160	1200
2024-05-01	1162.8	1171.6	1160	1200
2024-04-01	1162.8	1171.6	1160	1200
2024-03-01	1162.8	1171.6	1160	1200
2024-02-01	1162.8	1171.6	1160	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	Eden Schools Closed Trials 1 2020 (U11 Boys)	2020-03-07	2020-03-07	Standard	Eden (WEG)	5	5	2	Yes	Analysis
2	Knysna School Trials Round 2 2020 (Juniors)	2020-02-22	2020-02-22	Standard	Eden (WEG)	5	5	3	Yes	Analysis
3	Knysna School Trials #1 2020	2020-01-25	2020-01-25	Standard	Eden (WEG)	5	5	3	Yes	Analysis
4	Eden Top Schools 2019 (U11)	2019-07-20	2019-07-20	Standard	Eden (WEG)	5	3	1	Yes	Analysis
5	Western Cape Top Schools 2018 (U11 Mix)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	3	0	Yes	Analysis
6	North Boland Trials 2018 (U9 Boys)	2018-02-17	2018-02-17	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Knysna School Trials #1 2020				Tournament Knysna School Trials Round 2 2020
		date 2020-01-25	rnd 5	type Standard	result 1	date 2020-02-22	rnd 2	type Standard	result 1
		Opponent Van Rensburg, J (Juane)				Opponent Rank, W (William)
2	2	Tournament Eden Top Schools 2019				Tournament Knysna School Trials #1 2020
		date 2019-07-20	rnd 4	type Standard	result 1	date 2020-01-25	rnd 1	type Standard	result 1
		Opponent Rossel, L (Louis)				Opponent Tasiya, T (Tinashe)
3	1	Tournament Eden Schools Closed Trials 1 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-03-07	rnd 4	type Standard	result 1	date 2020-03-07	rnd 4	type Standard	result 1
		Opponent Daniels, C (Colsten)				Opponent Daniels, C (Colsten)

#	Games	Start				End
1	3	Tournament Knysna School Trials #1 2020				Tournament Knysna School Trials Round 2 2020
		date 2020-01-25	rnd 5	type Standard	result 1	date 2020-02-22	rnd 2	type Standard	result 1
		Opponent Van Rensburg, J (Juane)				Opponent Rank, W (William)
2	2	Tournament Eden Top Schools 2019				Tournament Knysna School Trials #1 2020
		date 2019-07-20	rnd 4	type Standard	result 1	date 2020-01-25	rnd 1	type Standard	result 1
		Opponent Rossel, L (Louis)				Opponent Tasiya, T (Tinashe)
3	1	Tournament Eden Schools Closed Trials 1 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-03-07	rnd 4	type Standard	result 1	date 2020-03-07	rnd 4	type Standard	result 1
		Opponent Daniels, C (Colsten)				Opponent Daniels, C (Colsten)

#	Games	Start				End
1	1	Tournament North Boland Trials 2018				Tournament North Boland Trials 2018
		date 2018-02-17	rnd 4	type Rapid	result 1	date 2018-02-17	rnd 4	type Rapid	result 1
		Opponent Mayeki, L (Likhaka)				Opponent Mayeki, L (Likhaka)
2	1	Tournament North Boland Trials 2018				Tournament North Boland Trials 2018
		date 2018-02-17	rnd 2	type Rapid	result 1	date 2018-02-17	rnd 2	type Rapid	result 1
		Opponent Matthys, C (Chadley)				Opponent Matthys, C (Chadley)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Knysna School Trials #1 2020				Tournament Knysna School Trials Round 2 2020
		date 2020-01-25	rnd 5	type Standard	result 1	date 2020-02-22	rnd 2	type Standard	result 1
		Opponent Van Rensburg, J (Juane)				Opponent Rank, W (William)
2	2	Tournament Eden Top Schools 2019				Tournament Knysna School Trials #1 2020
		date 2019-07-20	rnd 4	type Standard	result 1	date 2020-01-25	rnd 1	type Standard	result 1
		Opponent Rossel, L (Louis)				Opponent Tasiya, T (Tinashe)
3	1	Tournament Eden Schools Closed Trials 1 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-03-07	rnd 4	type Standard	result 1	date 2020-03-07	rnd 4	type Standard	result 1
		Opponent Daniels, C (Colsten)				Opponent Daniels, C (Colsten)

#	Games	Start				End
1	3	Tournament Knysna School Trials #1 2020				Tournament Knysna School Trials Round 2 2020
		date 2020-01-25	rnd 5	type Standard	result 1	date 2020-02-22	rnd 2	type Standard	result 1
		Opponent Van Rensburg, J (Juane)				Opponent Rank, W (William)
2	2	Tournament Eden Top Schools 2019				Tournament Knysna School Trials #1 2020
		date 2019-07-20	rnd 4	type Standard	result 1	date 2020-01-25	rnd 1	type Standard	result 1
		Opponent Rossel, L (Louis)				Opponent Tasiya, T (Tinashe)
3	1	Tournament Eden Schools Closed Trials 1 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-03-07	rnd 4	type Standard	result 1	date 2020-03-07	rnd 4	type Standard	result 1
		Opponent Daniels, C (Colsten)				Opponent Daniels, C (Colsten)

#	Games	Start				End
1	1	Tournament North Boland Trials 2018				Tournament North Boland Trials 2018
		date 2018-02-17	rnd 4	type Rapid	result 1	date 2018-02-17	rnd 4	type Rapid	result 1
		Opponent Mayeki, L (Likhaka)				Opponent Mayeki, L (Likhaka)
2	1	Tournament North Boland Trials 2018				Tournament North Boland Trials 2018
		date 2018-02-17	rnd 2	type Rapid	result 1	date 2018-02-17	rnd 2	type Rapid	result 1
		Opponent Matthys, C (Chadley)				Opponent Matthys, C (Chadley)

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	Tasiya ,T (Tinashe)	2	2	425	2	2	425	0	0	0	0	0	0
1	Tasiya ,T (Tinashe)	2	1195	1620	2	1193	1620	0	0	0	0	0	0
2	Law ,A (Aaron)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Law ,A (Aaron)	1	1219.1	794.1	1	1240.3	794.1	0	0	0	0	0	0
3	Du Toit ,S (Schalk)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Du Toit ,S (Schalk)	1	1189.7	764.7	1	1200	764.7	0	0	0	0	0	0
4	Jantjies ,M (Michaela)	1	1	425	1	1	425	0	0	0	0	0	0
4	Jantjies ,M (Michaela)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Awadale ,Z (Zaiher)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Awadale ,Z (Zaiher)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Mswatti ,E (Elvino)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Mswatti ,E (Elvino)	1	1211.3	786.3	1	1212.8	786.3	0	0	0	0	0	0
7	Bester ,HN (Hugo Nicolaas)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Bester ,HN (Hugo Nicolaas)	1	1111.3	686.3	1	1097.2	686.3	0	0	0	0	0	0
8	Swart ,C (Calvin)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Swart ,C (Calvin)	1	1082.8	657.8	1	1066.9	657.8	0	0	0	0	0	0
9	Stalmeester ,E (Edward)	1	1	425	1	1	425	0	0	0	0	0	0
9	Stalmeester ,E (Edward)	1	1180.1	1605.1	1	1176	1605.1	0	0	0	0	0	0
10	Rossel ,L (Louis)	1	1	425	1	1	425	0	0	0	0	0	0
10	Rossel ,L (Louis)	1	1168.6	1593.6	1	1165.6	1593.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Pretorius, L (Logan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms