Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pretorius, WM (Willem)

Chess SA id

105087152

FIDE id

Date of birth

2005-01-05 (Adult)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-08-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1193.5	1192.9	679.7	662.4
Raw rating	1193.5	1192.9	679.7	662.4
Weighted rating	1193.5	1192.9	679.7	662.4
Weighted performance	562.3	564.4	0	0
Floor	753.7	756.2	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	167.4	167.5	348	356.7
Highest rating	1267.2 2018-07-01	1269.7 2018-07-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1253.7 2018-08-01	1256.2 2018-08-01	679.7 2024-02-01	662.4 2024-02-01
Highest weighted rating	1253.7 2024-11-01	1256.2 2024-11-01	679.7 2024-11-01	662.4 2024-11-01
Highest weighted performance	1267.2 2018-07-01	1269.7 2018-07-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1193.5	1192.9	679.7	662.4
Analysis
Rating	1193.5	1192.9	679.7	662.4
Raw rating	1193.5	1192.9	679.7	662.4
Weighted rating	1193.5	1192.9	679.7
Weighted performance	562.3	564.4	0
K-factor	36	36	40	40
Floor	753.7	756.2	500	500
Max/Min rating change allowed	167.4	167.5	348	356.7
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	1193.5	1192.9	679.7	662.4
New weighted rating	1193.5	1192.9	679.7	662.4
New weighted performance	555.2	557.3	0	0
Temp new rating	1193.5	1192.9	679.7	662.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1193.5	1192.9	679.7	662.4
New K-factor	36	36	40	40
New floor	753.7	756.2	500	500

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	10	10
	0	0
History	168	168

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Sedibeng (GSV)
Province	Gauteng (GT)
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	125	68.5	54.8	40.8	1065.4	1106.2
Standard	125	68.5	54.8	40.8	1065.4	1106.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1193.5	1192.9	679.7	662.4
2025-09-30	1193.5	1192.9	679.7	662.4
2025-09-01	1193.5	1192.9	679.7	662.4
2025-08-01	1193.5	1192.9	679.7	662.4
2025-07-01	1193.5	1192.9	679.7	662.4
2025-06-01	1193.5	1192.9	679.7	662.4
2025-05-01	1193.5	1192.9	679.7	662.4
2025-04-01	1193.5	1192.9	679.7	662.4
2025-03-01	1193.5	1192.9	679.7	662.4
2025-02-01	1193.5	1192.9	679.7	662.4
2025-01-01	1193.5	1192.9	679.7	662.4
2024-12-01	1193.5	1192.9	679.7	662.4
2024-11-01	1193.5	1192.9	679.7	662.4
2024-10-01	1193.5	1192.9	679.7	662.4
2024-09-01	1193.5	1192.9	679.7	662.4
2024-08-01	1193.5	1192.9	679.7	662.4
2024-07-01	1193.5	1192.9	679.7	662.4
2024-09-01	1193.5	1192.9	679.7	662.4
2024-05-01	1193.5	1192.9	679.7	662.4
2024-04-01	1193.5	1192.9	679.7	662.4
2024-03-01	1193.5	1192.9	679.7	662.4
2024-02-01	1193.5	1192.9	679.7	662.4
2024-01-01	1193.5	1192.9	679.7	662.4
2023-12-01	1193.5	1192.9	662.4	662.4

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	2022 Gauteng Schools Team Championships (U17 Open)	2022-08-26	2022-08-26	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
2	Lux Deo NG Kerk Chess Open 2022 (A+B)	2022-04-09	2022-04-09	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
3	Carel`s Open 2020 (B)	2020-02-29	2020-02-29	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
4	2019 South African Junior Team Championships (U16D)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	4	Yes	Analysis
5	Eagles Open 2019 (B)	2019-11-23	2019-11-23	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
6	Sedibeng DF Malherbe Open 2019 (B)	2019-10-12	2019-10-12	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
7	2019 Gauteng School League Finals (U17 Open)	2019-08-24	2019-08-24	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
8	2019 Gauteng School League Finals (U17 Open)	2019-08-24	2019-08-24	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
9	Vaal Chess Club Open 2019 (B)	2019-06-01	2019-06-01	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
10	Amigo Spur Eligwa Chess Open 2019 (B)	2019-05-18	2019-05-18	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
11	Dirk de Koster Chess Open 2019 (B)	2019-04-13	2019-04-13	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
12	Carels Open 2019 (B)	2019-03-02	2019-03-02	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
13	AG Visser Skaak Ope 2019 (B)	2019-02-23	2019-02-23	Standard	Sedibeng (GSV)	5	5	4.5	Yes	Analysis
14	2018 Tshwane Inter Region (U14C)	2018-12-01	2018-12-01	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
15	South African Junior Team Championships 2018 (U14E)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	5	4	Yes	Analysis
16	Fonteine Open 2018 (B)	2018-10-13	2018-10-13	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
17	2018 Sedibeng Summer Open (D)	2018-10-20	2018-10-20	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis
18	2018 Gauteng League Final (U13)	2018-08-24	2018-08-24	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
19	TST-MSA Tournament 2018 (C)	2018-07-21	2018-07-21	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
20	D8 Team League 2018 (U13)	2018-07-28	2018-07-28	Standard	Sedibeng (GSV)	5	4	4	Yes	Analysis
21	Sasolburg Open 2018 (C)	2018-06-02	2018-06-02	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
22	Word of Life Open 2018 (C)	2018-05-12	2018-05-12	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
23	Heidelberg Skaak Klub 2018 (Team 17)	2018-05-05	2018-05-05	Standard	Sedibeng (GSV)	5	4	3	Yes	Analysis
24	Carels Open 2018 (C)	2018-03-03	2018-03-03	Standard	Sedibeng (GSV)	5	4	2	Yes	Analysis
25	South African Junior Team Championships 2017 (U14D)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	4	Yes	Analysis

#	Games	Start				End
1	9	Tournament South African Junior Team Championships 2018				Tournament Carels Open 2019
		date 2018-12-17	rnd 4	type Standard	result 1	date 2019-03-02	rnd 1	type Standard	result 1
		Opponent Pienaar, S (Schalk)				Opponent Mphana, B (Bohlale)
2	6	Tournament TST-MSA Tournament 2018				Tournament D8 Team League 2018
		date 2018-07-21	rnd 4	type Standard	result 0.5	date 2018-07-28	rnd 5	type Standard	result 1
		Opponent Rossouw, R (Rohan)				Opponent Motloung, T (Thembisile)
3	4	Tournament Eagles Open 2019				Tournament 2019 South African Junior Team Championships
		date 2019-11-23	rnd 5	type Standard	result 1	date 2020-01-05	rnd 3	type Standard	result 1
		Opponent Chani, N (Naomi)				Opponent Fortuin, S (Siphosethu)

#	Games	Start				End
1	9	Tournament South African Junior Team Championships 2018				Tournament Carels Open 2019
		date 2018-12-17	rnd 4	type Standard	result 1	date 2019-03-02	rnd 1	type Standard	result 1
		Opponent Pienaar, S (Schalk)				Opponent Mphana, B (Bohlale)
2	6	Tournament TST-MSA Tournament 2018				Tournament D8 Team League 2018
		date 2018-07-21	rnd 4	type Standard	result 0.5	date 2018-07-28	rnd 5	type Standard	result 1
		Opponent Rossouw, R (Rohan)				Opponent Motloung, T (Thembisile)
3	4	Tournament Eagles Open 2019				Tournament 2019 South African Junior Team Championships
		date 2019-11-23	rnd 5	type Standard	result 1	date 2020-01-05	rnd 3	type Standard	result 1
		Opponent Chani, N (Naomi)				Opponent Fortuin, S (Siphosethu)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament South African Junior Team Championships 2018				Tournament AG Visser Skaak Ope 2019
		date 2018-12-17	rnd 4	type Standard	result 1	date 2019-02-23	rnd 2	type Standard	result 1
		Opponent Pienaar, S (Schalk)				Opponent Karsten, K (Keagan)
2	5	Tournament TST-MSA Tournament 2018				Tournament D8 Team League 2018
		date 2018-07-21	rnd 5	type Standard	result 1	date 2018-07-28	rnd 5	type Standard	result 1
		Opponent Roussouw, D (Dirk)				Opponent Motloung, T (Thembisile)
3	4	Tournament Eagles Open 2019				Tournament 2019 South African Junior Team Championships
		date 2019-11-23	rnd 5	type Standard	result 1	date 2020-01-05	rnd 3	type Standard	result 1
		Opponent Chani, N (Naomi)				Opponent Fortuin, S (Siphosethu)

#	Games	Start				End
1	5	Tournament South African Junior Team Championships 2018				Tournament AG Visser Skaak Ope 2019
		date 2018-12-17	rnd 4	type Standard	result 1	date 2019-02-23	rnd 2	type Standard	result 1
		Opponent Pienaar, S (Schalk)				Opponent Karsten, K (Keagan)
2	5	Tournament TST-MSA Tournament 2018				Tournament D8 Team League 2018
		date 2018-07-21	rnd 5	type Standard	result 1	date 2018-07-28	rnd 5	type Standard	result 1
		Opponent Roussouw, D (Dirk)				Opponent Motloung, T (Thembisile)
3	4	Tournament Eagles Open 2019				Tournament 2019 South African Junior Team Championships
		date 2019-11-23	rnd 5	type Standard	result 1	date 2020-01-05	rnd 3	type Standard	result 1
		Opponent Chani, N (Naomi)				Opponent Fortuin, S (Siphosethu)

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	Nxumalo ,S (Siyabonga)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
1	Nxumalo ,S (Siyabonga)	3	1044	1327.3	3	1020	1327.3	0	0	0	0	0	0
2	De Villiers ,LJ (Louis)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
2	De Villiers ,LJ (Louis)	2	1100.6	888.1	2	1110.7	888.1	0	0	0	0	0	0
3	Bholo ,SV (Sicelo Vuyo)	2	1	0	2	1	0	0	0	0	0	0	0
3	Bholo ,SV (Sicelo Vuyo)	2	1249.4	1249.4	2	1235.2	1249.4	0	0	0	0	0	0
4	Visser ,TM (Tracy)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
4	Visser ,TM (Tracy)	2	934.5	1147.1	2	932.3	1147.1	0	0	0	0	0	0
5	Ledwaba ,T (Thabang)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
5	Ledwaba ,T (Thabang)	2	905	1117.5	2	909.2	1117.5	0	0	0	0	0	0
6	Fritz ,GPJ (Georg)	2	1	0	2	1	0	0	0	0	0	0	0
6	Fritz ,GPJ (Georg)	2	1019.9	1019.9	2	1015	1019.9	0	0	0	0	0	0
7	Naude ,E (Enrique)	2	1	0	2	1	0	0	0	0	0	0	0
7	Naude ,E (Enrique)	2	967.1	967.1	2	977.8	967.1	0	0	0	0	0	0
8	Munyai ,P (Phumudzo)	2	2	425	2	2	425	0	0	0	0	0	0
8	Munyai ,P (Phumudzo)	2	1119.5	1544.5	2	1114	1544.5	0	0	0	0	0	0
9	Munyai ,N (Neo)	2	1	0	2	1	0	0	0	0	0	0	0
9	Munyai ,N (Neo)	2	1078.6	1078.6	2	1056.6	1078.6	0	0	0	0	0	0
10	Karsten ,K (Keagan)	2	1	0	2	1	0	0	0	0	0	0	0
10	Karsten ,K (Keagan)	2	1214.1	1214.1	2	1201.4	1214.1	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, WM (Willem)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms