Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pretorius, R (Ruald)

Chess SA id

1110315752

FIDE id

Date of birth

2011-05-19 (U16)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1095.1

Item	Main	Standard	Rapid	Blitz
Rating	1215.9	1218.4	1199.6	1200
Raw rating	1215.9	1218.4	1199.6	1200
Weighted rating	1202.5	1203.1	1199.6	1200
Weighted performance	0	0	0	0
Floor	715.9	718.4	699.9	700
K-factor	36	36	40	36
Min/Max rating change allowed	162.1	161.5	165.9	165.8
Highest rating	1215.9 2025-09-30	1218.4 2025-09-30	1199.9 2025-02-23	1200 2025-03-01
Highest raw rating	1215.9 2025-09-30	1218.4 2025-09-30	1199.9 2025-02-23	1200 2025-03-01
Highest weighted rating	1201.3 2025-09-30	1201.7 2025-09-30	1199.9 2025-02-23	1200 2025-03-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1215.9	1218.4	1199.6	1200
Analysis
Rating	1215.9	1218.4	1199.6	1200
Raw rating	1215.9	1218.4	1199.6	1200
Weighted rating	1202.5	1203.1	1199.6
Weighted performance	0	0	0
K-factor	36	36	40	36
Floor	715.9	718.4	699.9	700
Max/Min rating change allowed	162.1	161.5	165.9	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	1215.9	1218.4	1199.6	1200
New weighted rating	1203.7	1204.4	1199.6	1200
New weighted performance	0	0	0	0
Temp new rating	1215.9	1218.4	1199.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1215.9	1218.4	1199.6	1200
New K-factor	36	36	40	36
New floor	715.9	718.4	699.9	700

Item	Main	Standard	Rapid
	0	0	0
	15	9	6
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	15	9	6

Games since
	Main 15	Standard 9		Rapid 6		Blitz 0
Gender	Male
Age group	U16
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	15	6	40	-85	1242.7	1157.7
Standard	9	4	44.44	-47.2	1296.4	1249.1
Rapid	6	2	33.33	-141.7	1162.3	1020.6
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	15	6	40	-85	1242.7	1157.7
Standard	9	4	44.44	-47.2	1296.4	1249.1
Rapid	6	2	33.33	-141.7	1162.3	1020.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1215.9	1218.4	1199.6	1200
2025-09-30	1215.9	1218.4	1199.6	1200
2025-09-01	1203.1	1202.5	1199.6	1200
2025-08-01	1199.8	1200	1199.6	1200
2025-07-01	1199.8	1200	1199.6	1200
2025-06-01	1199.8	1200	1199.6	1200
2025-05-01	1199.8	1200	1199.6	1200
2025-04-01	1199.6	1200	1199.4	1200
2025-03-01	1197.6	1200	1196	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	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	Western Cape Schools - Top Schools 2025 (U19)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	5	2	Yes	Analysis
2	Overberg Top Schools 2025 (U15-U19)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
3	Overberg Schools - HS Trials 2025 (U15 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U19)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	5	2	Yes	Analysis
2	Overberg Top Schools 2025 (U15-U19)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
3	Overberg Schools - HS Trials 2025 (U15 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-06	rnd 4	type Standard	result 1
		Opponent Govindan, V (Vendanth)				Opponent Skippers, C (Clyde)
2	2	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Vigaro, L (Luciano)				Opponent Truter, J (Jake)
3	1	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Gcinisa, S (Sibogakonke)				Opponent Gcinisa, S (Sibogakonke)

#	Games	Start				End
1	2	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-06	rnd 4	type Standard	result 1
		Opponent Govindan, V (Vendanth)				Opponent Skippers, C (Clyde)
2	1	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Gcinisa, S (Sibogakonke)				Opponent Gcinisa, S (Sibogakonke)
3	1	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Bhekani, O (Onako)				Opponent Bhekani, O (Onako)

#	Games	Start				End
1	2	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Vigaro, L (Luciano)				Opponent Truter, J (Jake)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-06	rnd 4	type Standard	result 1
		Opponent Govindan, V (Vendanth)				Opponent Skippers, C (Clyde)
2	2	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Vigaro, L (Luciano)				Opponent Truter, J (Jake)
3	1	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Gcinisa, S (Sibogakonke)				Opponent Gcinisa, S (Sibogakonke)

#	Games	Start				End
1	2	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-06	rnd 4	type Standard	result 1
		Opponent Govindan, V (Vendanth)				Opponent Skippers, C (Clyde)
2	1	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Gcinisa, S (Sibogakonke)				Opponent Gcinisa, S (Sibogakonke)
3	1	Tournament Overberg Top Schools 2025				Tournament Overberg Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 1	type Standard	result 1
		Opponent Bhekani, O (Onako)				Opponent Bhekani, O (Onako)

#	Games	Start				End
1	2	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Vigaro, L (Luciano)				Opponent Truter, J (Jake)

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	Gcinisa ,S (Sibogakonke)	1	1	425	1	1	425	0	0	0	0	0	0
1	Gcinisa ,S (Sibogakonke)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Beukes ,R (Rayneqo)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Beukes ,R (Rayneqo)	1	1274.1	849.1	1	1278	849.1	0	0	0	0	0	0
3	Muller ,K (Kieran)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Muller ,K (Kieran)	1	1593.1	1168.1	1	1578.4	1168.1	0	0	0	0	0	0
4	Govindan ,V (Vendanth)	1	1	425	1	1	425	0	0	0	0	0	0
4	Govindan ,V (Vendanth)	1	1186.8	1611.8	1	1200	1611.8	0	0	0	0	0	0
5	Page ,C (Connor)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Page ,C (Connor)	1	1515.6	1090.6	1	1505.6	1090.6	0	0	0	0	0	0
6	De Kock ,S (Sebastian)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	De Kock ,S (Sebastian)	1	1195.3	770.3	1	1182	770.3	0	0	0	0	0	0
7	Bhekani ,O (Onako)	1	1	425	1	1	425	0	0	0	0	0	0
7	Bhekani ,O (Onako)	1	1164.5	1589.5	1	1200	1589.5	0	0	0	0	0	0
8	Foye ,L (Logan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Foye ,L (Logan)	1	1325.6	900.6	1	1278.4	900.6	0	0	0	0	0	0
9	Skippers ,C (Clyde)	1	1	425	1	1	425	0	0	0	0	0	0
9	Skippers ,C (Clyde)	1	1212.5	1637.5	1	1216	1637.5	0	0	0	0	0	0
10	Pekeur ,A (Andrew)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Pekeur ,A (Andrew)	1	1185.6	760.6	0	0	0	1	1233.9	760.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Pretorius, R (Ruald)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms