Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pretorius, Z (Zian)

Chess SA id

1120137657

FIDE id

Date of birth

2012-08-15 (U14)

Gender

Male

Region

Ehlanzeni (MEN)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-05-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1252.4	1255.4	1200	1200
Raw rating	1252.4	1255.4	1200	1200
Weighted rating	1252.4	1255.4	1200	1200
Weighted performance	805.1	803.5	0	0
Floor	753.9	759.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	153.9	153.2	165.8	165.8
Highest rating	1321.4 2022-04-01	1317.6 2022-04-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1253.9 2023-03-01	1259.4 2023-03-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1253.9 2025-02-01	1259.4 2024-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1321.4 2022-04-01	1317.6 2022-04-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1252.4	1255.4	1200	1200
Analysis
Rating	1252.4	1255.4	1200	1200
Raw rating	1252.4	1255.4	1200	1200
Weighted rating	1252.4	1255.4	1200
Weighted performance	805.1	803.5	0
K-factor	36	36	36	36
Floor	753.9	759.4	700	700
Max/Min rating change allowed	153.9	153.2	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	1252.4	1255.4	1200	1200
New weighted rating	1252.4	1255.4	1200	1200
New weighted performance	797.6	796.1	0	0
Temp new rating	1252.4	1255.4	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1252.4	1255.4	1200	1200
New K-factor	36	36	36	36
New floor	753.9	759.4	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	10	10
	15	15
	0	0
History	25	25

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Ehlanzeni (MEN)
Province	Mpumalanga (MP)
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	25	15.5	62	102	1186.9	1288.9
Standard	25	15.5	62	102	1186.9	1288.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1252.4	1255.4	1200	1200
2025-09-30	1252.4	1255.4	1200	1200
2025-09-01	1252.4	1255.4	1200	1200
2025-08-01	1252.4	1255.4	1200	1200
2025-07-01	1252.4	1255.4	1200	1200
2025-06-01	1252.4	1255.4	1200	1200
2025-05-01	1252.4	1255.4	1200	1200
2025-04-01	1252.4	1255.4	1200	1200
2025-03-01	1252.4	1255.4	1200	1200
2025-02-01	1252.4	1255.4	1200	1200
2025-01-01	1252.4	1255.4	1200	1200
2024-12-01	1252.4	1255.4	1200	1200
2024-11-01	1252.4	1255.4	1200	1200
2024-10-01	1252.4	1255.4	1200	1200
2024-09-01	1252.4	1255.4	1200	1200
2024-08-01	1252.4	1255.4	1200	1200
2024-07-01	1252.4	1255.4	1200	1200
2024-09-01	1252.4	1255.4	1200	1200
2024-05-01	1252.4	1255.4	1200	1200
2024-04-01	1252.4	1255.4	1200	1200
2024-03-01	1252.4	1255.4	1200	1200
2024-02-01	1252.4	1255.4	1200	1200
2024-01-01	1252.4	1255.4	1200	1200
2023-12-01	1252.4	1255.4	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	Robbies 2023 (U12)	2023-05-11	2023-05-11	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
2	Uplands Chess Tournament 2023 (U12)	2023-02-25	2023-02-25	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
3	Rob Ferreira Chess Tournament 2022 (U12)	2022-05-07	2022-05-07	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
4	Lydenburg Chess Club 2022 (U12)	2022-04-09	2022-04-09	Standard	Ehlanzeni (MEN)	5	5	3.5	Yes	Analysis
5	Uplands Chess Tournament 2022 (U12)	2022-02-26	2022-02-26	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament Uplands Chess Tournament 2022				Tournament Lydenburg Chess Club 2022
		date 2022-02-26	rnd 5	type Standard	result 1	date 2022-04-09	rnd 4	type Standard	result 1
		Opponent Smit, M (Michael)				Opponent Makawa, N (Nathan)
2	3	Tournament Uplands Chess Tournament 2023				Tournament Uplands Chess Tournament 2023
		date 2023-02-25	rnd 2	type Standard	result 1	date 2023-02-25	rnd 4	type Standard	result 1
		Opponent Makhubela, B (Busi)				Opponent Sethathi, L (Lethabo)
3	2	Tournament Robbies 2023				Tournament Robbies 2023
		date 2023-05-11	rnd 1	type Standard	result 1	date 2023-05-11	rnd 2	type Standard	result 1
		Opponent Mashabane, L (Londeka)				Opponent Lebea, L (Lefa)

#	Games	Start				End
1	5	Tournament Uplands Chess Tournament 2022				Tournament Lydenburg Chess Club 2022
		date 2022-02-26	rnd 5	type Standard	result 1	date 2022-04-09	rnd 4	type Standard	result 1
		Opponent Smit, M (Michael)				Opponent Makawa, N (Nathan)
2	3	Tournament Uplands Chess Tournament 2023				Tournament Uplands Chess Tournament 2023
		date 2023-02-25	rnd 2	type Standard	result 1	date 2023-02-25	rnd 4	type Standard	result 1
		Opponent Makhubela, B (Busi)				Opponent Sethathi, L (Lethabo)
3	2	Tournament Robbies 2023				Tournament Robbies 2023
		date 2023-05-11	rnd 1	type Standard	result 1	date 2023-05-11	rnd 2	type Standard	result 1
		Opponent Mashabane, L (Londeka)				Opponent Lebea, L (Lefa)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Uplands Chess Tournament 2023				Tournament Uplands Chess Tournament 2023
		date 2023-02-25	rnd 2	type Standard	result 1	date 2023-02-25	rnd 4	type Standard	result 1
		Opponent Makhubela, B (Busi)				Opponent Sethathi, L (Lethabo)
2	3	Tournament Lydenburg Chess Club 2022				Tournament Lydenburg Chess Club 2022
		date 2022-04-09	rnd 2	type Standard	result 1	date 2022-04-09	rnd 4	type Standard	result 1
		Opponent Laas, L (Liam)				Opponent Makawa, N (Nathan)
3	2	Tournament Robbies 2023				Tournament Robbies 2023
		date 2023-05-11	rnd 1	type Standard	result 1	date 2023-05-11	rnd 2	type Standard	result 1
		Opponent Mashabane, L (Londeka)				Opponent Lebea, L (Lefa)

#	Games	Start				End
1	3	Tournament Uplands Chess Tournament 2023				Tournament Uplands Chess Tournament 2023
		date 2023-02-25	rnd 2	type Standard	result 1	date 2023-02-25	rnd 4	type Standard	result 1
		Opponent Makhubela, B (Busi)				Opponent Sethathi, L (Lethabo)
2	3	Tournament Lydenburg Chess Club 2022				Tournament Lydenburg Chess Club 2022
		date 2022-04-09	rnd 2	type Standard	result 1	date 2022-04-09	rnd 4	type Standard	result 1
		Opponent Laas, L (Liam)				Opponent Makawa, N (Nathan)
3	2	Tournament Robbies 2023				Tournament Robbies 2023
		date 2023-05-11	rnd 1	type Standard	result 1	date 2023-05-11	rnd 2	type Standard	result 1
		Opponent Mashabane, L (Londeka)				Opponent Lebea, L (Lefa)

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	Du Plessis ,A (Aidan)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
1	Du Plessis ,A (Aidan)	2	1176.2	1388.7	2	1171.6	1388.7	0	0	0	0	0	0
2	Lebea ,L (Lefa)	1	1	425	1	1	425	0	0	0	0	0	0
2	Lebea ,L (Lefa)	1	1187.6	1612.6	1	1186	1612.6	0	0	0	0	0	0
3	Eksteen ,J (Jean)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Eksteen ,J (Jean)	1	1230.1	805.1	1	1231	805.1	0	0	0	0	0	0
4	Mashabane ,L (Londeka)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mashabane ,L (Londeka)	1	1039.4	1464.4	1	1010	1464.4	0	0	0	0	0	0
5	Britz ,R (Revan Pierre)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Britz ,R (Revan Pierre)	1	1184.1	759.1	1	1180.4	759.1	0	0	0	0	0	0
6	Sono ,F (Feziwe)	1	1	425	1	1	425	0	0	0	0	0	0
6	Sono ,F (Feziwe)	1	1163.7	1588.7	1	1157.6	1588.7	0	0	0	0	0	0
7	Lombard ,R (Roan)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Lombard ,R (Roan)	1	1197.7	772.7	1	1202.8	772.7	0	0	0	0	0	0
8	Saldanha ,N (Noah)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Saldanha ,N (Noah)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Smit ,M (Michael)	1	1	425	1	1	425	0	0	0	0	0	0
9	Smit ,M (Michael)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Ferreira ,J (Jayden)	1	1	425	1	1	425	0	0	0	0	0	0
10	Ferreira ,J (Jayden)	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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Statistics

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PLAYER PAGE

Personal

Pretorius, Z (Zian)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms