Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pretorius, W (Wihan)

Chess SA id

1120141532

FIDE id

Date of birth

2012-08-03 (U14)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-31

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1203.5	1128	1293.4	1200
Raw rating	1203.5	1128	1293.4	1200
Weighted rating	1190.5	1126.6	1284.9	1200
Weighted performance	0	0	0	0
Floor	751.6	700	793.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	165	183.7	145.2	165.8
Highest rating	1443.3 2022-05-01	1200 2018-10-01	1497 2022-05-01	1200 2018-10-01
Highest raw rating	1251.6 2022-06-01	1200 2020-01-01	1293.4 2025-06-01	1200 2024-02-01
Highest weighted rating	1251.6 2023-04-01	1200 2018-10-01	1283.1 2025-08-01	1200 2018-10-01
Highest weighted performance	1443.3 2022-05-01	1200 2020-01-01	1497 2022-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1203.5	1128	1293.4	1200
Analysis
Rating	1203.5	1128	1293.4	1200
Raw rating	1203.5	1128	1293.4	1200
Weighted rating	1190.5	1126.6	1284.9
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	751.6	700	793.4	700
Max/Min rating change allowed	165	183.7	145.2	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	1203.5	1128	1293.4	1200
New weighted rating	1191.6	1126.5	1285.7	1200
New weighted performance	0	0	0	0
Temp new rating	1203.5	1128	1293.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1203.5	1128	1293.4	1200
New K-factor	36	36	36	36
New floor	751.6	700	793.4	700

Item	Main	Standard	Rapid
	0	0	0
	6	0	6
	5	5	0
	5	5	0
	6	0	6
	0	0	0
History	22	10	12

Games since
	Main 11	Standard 5		Rapid 6		Blitz 0
Gender	Male
Age group	U14
Region	Ekurhuleni (GE)
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	6	3.5	58.33	70.8	1232.2	1303
Standard	0	0	0	0	0	0
Rapid	6	3.5	58.33	70.8	1232.2	1303
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	22	11.5	52.27	19.3	1206	1225.3
Standard	10	3	30	-170	1180.6	1010.6
Rapid	12	8.5	70.83	177.1	1227.1	1404.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1203.5	1128	1293.4	1200
2025-09-01	1203.5	1128	1293.4	1200
2025-08-01	1203.5	1128	1293.4	1200
2025-07-01	1203.5	1128	1293.4	1200
2025-06-01	1203.5	1128	1293.4	1200
2025-05-01	1185.6	1128	1280	1200
2025-04-01	1185.6	1128	1280	1200
2025-03-01	1185.6	1128	1280	1200
2025-02-01	1185.4	1127.9	1280	1200
2025-01-01	1176.3	1120	1280	1200
2024-12-01	1176.3	1120	1280	1200
2024-11-01	1176.3	1120	1280	1200
2024-10-01	1176.3	1120	1280	1200
2024-09-01	1176.3	1120	1280	1200
2024-08-01	1176.3	1120	1280	1200
2024-07-01	1176.3	1120	1280	1200
2024-06-01	1176.3	1120	1280	1200
2024-08-01	1198.7	1139.2	1280	1200
2024-04-01	1198.7	1139.2	1280	1200
2024-03-01	1198.7	1139.2	1280	1200
2024-02-01	1198.7	1139.2	1280	1200
2024-01-01	1198.7	1139.2	1280	1200
2023-12-01	1198.7	1139.2	1280	1200
2023-11-01	1198.7	1139.2	1280	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	RMS Rapid Chess Open 31 May 2025 (U13)	2025-05-31	2025-05-31	Rapid	Sedibeng (GSV)	6	6	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	RMS Rapid Chess Open 31 May 2025 (U13)	2025-05-31	2025-05-31	Rapid	Sedibeng (GSV)	6	6	3.5	Yes	Analysis
2	2024 Tshwane South School District CLOSED Individual Championships (U13 Mixed)	2024-05-11	2024-05-11	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
3	2023 Tshwane South School District CLOSED Individual Championships (U11 Open)	2023-04-22	2023-04-22	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
4	RMS Swiss For Rating of Players 2022 (U11)	2022-05-28	2022-05-28	Rapid	Ekurhuleni (GE)	7	6	5	Yes	Analysis

#	Games	Start				End
1	4	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 1	type Rapid	result 1	date 2022-05-28	rnd 4	type Rapid	result 1
		Opponent Van Der Merwe, A (Abbigail)				Opponent Komani, H (Hope)
2	3	Tournament 2024 Tshwane South School District CLOSED Individual Championships				Tournament RMS Rapid Chess Open 31 May 2025
		date 2024-05-11	rnd 5	type Standard	result 1	date 2025-05-31	rnd 2	type Rapid	result 0.5
		Opponent Willemse, R (Ruben)				Opponent van der Berg, Z (Zane)
3	2	Tournament 2023 Tshwane South School District CLOSED Individual Championships				Tournament 2023 Tshwane South School District CLOSED Individual Championships
		date 2023-04-22	rnd 2	type Standard	result 0.5	date 2023-04-22	rnd 3	type Standard	result 0.5
		Opponent Bolleurs, M (Matthew)				Opponent Magedi, D (Dimpho)

#	Games	Start				End
1	2	Tournament 2023 Tshwane South School District CLOSED Individual Championships				Tournament 2023 Tshwane South School District CLOSED Individual Championships
		date 2023-04-22	rnd 2	type Standard	result 0.5	date 2023-04-22	rnd 3	type Standard	result 0.5
		Opponent Bolleurs, M (Matthew)				Opponent Magedi, D (Dimpho)
2	1	Tournament 2024 Tshwane South School District CLOSED Individual Championships				Tournament 2024 Tshwane South School District CLOSED Individual Championships
		date 2024-05-11	rnd 5	type Standard	result 1	date 2024-05-11	rnd 5	type Standard	result 1
		Opponent Willemse, R (Ruben)				Opponent Willemse, R (Ruben)
3	1	Tournament 2024 Tshwane South School District CLOSED Individual Championships				Tournament 2024 Tshwane South School District CLOSED Individual Championships
		date 2024-05-11	rnd 2	type Standard	result 1	date 2024-05-11	rnd 2	type Standard	result 1
		Opponent Jacobs, E (Elai)				Opponent Jacobs, E (Elai)

#	Games	Start				End
1	4	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 1	type Rapid	result 1	date 2022-05-28	rnd 4	type Rapid	result 1
		Opponent Van Der Merwe, A (Abbigail)				Opponent Komani, H (Hope)
2	3	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Rapid Chess Open 31 May 2025
		date 2022-05-28	rnd 6	type Rapid	result 1	date 2025-05-31	rnd 2	type Rapid	result 0.5
		Opponent Mokgaloshi, S (Sincedile)				Opponent van der Berg, Z (Zane)
3	1	Tournament RMS Rapid Chess Open 31 May 2025				Tournament RMS Rapid Chess Open 31 May 2025
		date 2025-05-31	rnd 6	type Rapid	result 1	date 2025-05-31	rnd 6	type Rapid	result 1
		Opponent Bosman, J (Johan)				Opponent Bosman, J (Johan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 1	type Rapid	result 1	date 2022-05-28	rnd 4	type Rapid	result 1
		Opponent Van Der Merwe, A (Abbigail)				Opponent Komani, H (Hope)
2	2	Tournament 2024 Tshwane South School District CLOSED Individual Championships				Tournament RMS Rapid Chess Open 31 May 2025
		date 2024-05-11	rnd 5	type Standard	result 1	date 2025-05-31	rnd 1	type Rapid	result 1
		Opponent Willemse, R (Ruben)				Opponent Joubert, C (Christopher)
3	1	Tournament RMS Rapid Chess Open 31 May 2025				Tournament RMS Rapid Chess Open 31 May 2025
		date 2025-05-31	rnd 6	type Rapid	result 1	date 2025-05-31	rnd 6	type Rapid	result 1
		Opponent Bosman, J (Johan)				Opponent Bosman, J (Johan)

#	Games	Start				End
1	1	Tournament 2024 Tshwane South School District CLOSED Individual Championships				Tournament 2024 Tshwane South School District CLOSED Individual Championships
		date 2024-05-11	rnd 5	type Standard	result 1	date 2024-05-11	rnd 5	type Standard	result 1
		Opponent Willemse, R (Ruben)				Opponent Willemse, R (Ruben)
2	1	Tournament 2024 Tshwane South School District CLOSED Individual Championships				Tournament 2024 Tshwane South School District CLOSED Individual Championships
		date 2024-05-11	rnd 2	type Standard	result 1	date 2024-05-11	rnd 2	type Standard	result 1
		Opponent Jacobs, E (Elai)				Opponent Jacobs, E (Elai)

#	Games	Start				End
1	4	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 1	type Rapid	result 1	date 2022-05-28	rnd 4	type Rapid	result 1
		Opponent Van Der Merwe, A (Abbigail)				Opponent Komani, H (Hope)
2	2	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Rapid Chess Open 31 May 2025
		date 2022-05-28	rnd 6	type Rapid	result 1	date 2025-05-31	rnd 1	type Rapid	result 1
		Opponent Mokgaloshi, S (Sincedile)				Opponent Joubert, C (Christopher)
3	1	Tournament RMS Rapid Chess Open 31 May 2025				Tournament RMS Rapid Chess Open 31 May 2025
		date 2025-05-31	rnd 6	type Rapid	result 1	date 2025-05-31	rnd 6	type Rapid	result 1
		Opponent Bosman, J (Johan)				Opponent Bosman, J (Johan)

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	Bosman ,J (Johan)	3	1	-141.7	0	0	0	3	1	-141.7	0	0	0
1	Bosman ,J (Johan)	3	1308.3	1166.6	0	0	0	3	1323.1	1166.6	0	0	0
2	Joubert ,C (Christopher)	2	2	425	0	0	0	2	2	425	0	0	0
2	Joubert ,C (Christopher)	2	1200	1625	0	0	0	2	1200	1625	0	0	0
3	van der Berg ,Z (Zane)	2	0.5	-212.5	0	0	0	2	0.5	-212.5	0	0	0
3	van der Berg ,Z (Zane)	2	1200	987.5	0	0	0	2	1200	987.5	0	0	0
4	Scheepers ,T (Tristian)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Scheepers ,T (Tristian)	1	1216.6	791.6	1	1222.1	791.6	0	0	0	0	0	0
5	Jacobs ,E (Elai)	1	1	425	1	1	425	0	0	0	0	0	0
5	Jacobs ,E (Elai)	1	1110.5	1535.5	1	1057.2	1535.5	0	0	0	0	0	0
6	Bolleurs ,M (Matthew)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Bolleurs ,M (Matthew)	1	1226.9	1226.9	1	1232	1226.9	0	0	0	0	0	0
7	Magedi ,D (Dimpho)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Magedi ,D (Dimpho)	1	1093.2	1093.2	1	1076.4	1093.2	0	0	0	0	0	0
8	Van Eyssen ,S (Sven)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Van Eyssen ,S (Sven)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Skosana ,S (Sphamandla)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Skosana ,S (Sphamandla)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Slabbert ,M (Marko)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Slabbert ,M (Marko)	1	1289.3	864.3	1	1269.8	864.3	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, W (Wihan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms