Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pretorius, R (Ronan Neo)

Chess SA id

1150306695

FIDE id

Date of birth

2015-01-16 (U12)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1082

Item	Main	Standard	Rapid	Blitz
Rating	1167.3	1158.8	1200	1200
Raw rating	1167.3	1158.8	1200	1200
Weighted rating	1161.9	1152.9	1200	1200
Weighted performance	1042	1035.8	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	173.7	175.8	165.8	165.8
Highest rating	1200 2024-07-01	1200 2024-07-01	1200 2024-07-01	1200 2024-07-01
Highest raw rating	1200 2024-07-01	1200 2024-07-01	1200 2024-07-01	1200 2024-07-01
Highest weighted rating	1200 2024-07-01	1200 2024-07-01	1200 2024-07-01	1200 2024-07-01
Highest weighted performance	1200 2025-01-01	1200 2025-01-01	1200 2024-07-01	1200 2024-07-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1167.3	1158.8	1200	1200
Analysis
Rating	1167.3	1158.8	1200	1200
Raw rating	1167.3	1158.8	1200	1200
Weighted rating	1161.9	1152.9	1200
Weighted performance	1042	1035.8	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	173.7	175.8	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	1167.3	1158.8	1200	1200
New weighted rating	1161.9	1152.9	1200	1200
New weighted performance	1035.5	1029.4	0	0
Temp new rating	1167.3	1158.8	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1167.3	1158.8	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	22	22
	8	8
	0	0
	0	0
	0	0
History	30	30

Games since
	Main 30	Standard 30		Rapid 0		Blitz 0
Gender	Male
Age group	U12
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	4300		1528		218
Male	3176		1146		163
U12	709		259		37
U12 Male	485		183		27
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	22	5.5	25	-212.5	1278.9	1066.4
Standard	22	5.5	25	-212.5	1278.9	1066.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	30	6.5	21.67	-240.8	1254.9	1014.1
Standard	30	6.5	21.67	-240.8	1254.9	1014.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1167.3	1158.8	1200	1200
2025-09-30	1167.3	1158.8	1200	1200
2025-09-01	1167.3	1158.8	1200	1200
2025-08-01	1182.6	1179.3	1200	1200
2025-07-01	1182.6	1179.3	1200	1200
2025-06-01	1182.6	1179.3	1200	1200
2025-05-01	1199.2	1196	1200	1200
2025-04-01	1150.6	1139.6	1200	1200
2025-03-01	1159.6	1150.4	1200	1200
2025-02-01	1157.3	1147.5	1200	1200
2025-01-01	1108.7	1087.6	1200	1200
2024-12-01	1108.7	1087.6	1200	1200
2024-11-01	1108.7	1087.6	1200	1200
2024-10-01	1108.7	1087.6	1200	1200
2024-09-01	1125.3	1108.4	1200	1200
2024-08-01	1125.3	1108.4	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	Ekurhuleni North Chess Club Open Tournament 2025 (D)	2025-08-09	2025-08-09	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
2	East Rand Chess Club Open 2025 (C)	2025-05-03	2025-05-03	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
3	Benoni Primary School Cluster 12 April 2025 (U11 Open)	2025-04-12	2025-04-12	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
4	Ekurhuleni Chess Open 2025 (D)	2025-03-15	2025-03-15	Standard	Ekurhuleni (GE)	5	4	0	Yes	Analysis
5	East Rand Chess Club Open 2025 (C)	2025-03-01	2025-03-01	Standard	Ekurhuleni (GE)	5	5	0	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Ekurhuleni North Chess Club Open Tournament 2025 (D)	2025-08-09	2025-08-09	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
2	East Rand Chess Club Open 2025 (C)	2025-05-03	2025-05-03	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
3	Benoni Primary School Cluster 12 April 2025 (U11 Open)	2025-04-12	2025-04-12	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
4	Ekurhuleni Chess Open 2025 (D)	2025-03-15	2025-03-15	Standard	Ekurhuleni (GE)	5	4	0	Yes	Analysis
5	East Rand Chess Club Open 2025 (C)	2025-03-01	2025-03-01	Standard	Ekurhuleni (GE)	5	5	0	Yes	Analysis
6	Ekurhuleni North Chess Club Open Tournament 2024 (D)	2024-08-09	2024-08-09	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
7	EN Chess Club Winter Open 2024 (D)	2024-06-29	2024-06-29	Standard	Ekurhuleni (GE)	5	4	0	Yes	Analysis

#	Games	Start				End
1	4	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 2	type Standard	result 1	date 2025-04-12	rnd 5	type Standard	result 0.5
		Opponent Van Der Merwe, J (Joshua)				Opponent Coetzee, O (Oliver)
2	1	Tournament Ekurhuleni North Chess Club Open Tournament 2025				Tournament Ekurhuleni North Chess Club Open Tournament 2025
		date 2025-08-09	rnd 5	type Standard	result 1	date 2025-08-09	rnd 5	type Standard	result 1
		Opponent De Villiers, A (Aryan Connor)				Opponent De Villiers, A (Aryan Connor)
3	1	Tournament East Rand Chess Club Open 2025				Tournament East Rand Chess Club Open 2025
		date 2025-05-03	rnd 5	type Standard	result 1	date 2025-05-03	rnd 5	type Standard	result 1
		Opponent Chetty, C (Carter)				Opponent Chetty, C (Carter)

#	Games	Start				End
1	4	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 2	type Standard	result 1	date 2025-04-12	rnd 5	type Standard	result 0.5
		Opponent Van Der Merwe, J (Joshua)				Opponent Coetzee, O (Oliver)
2	1	Tournament Ekurhuleni North Chess Club Open Tournament 2025				Tournament Ekurhuleni North Chess Club Open Tournament 2025
		date 2025-08-09	rnd 5	type Standard	result 1	date 2025-08-09	rnd 5	type Standard	result 1
		Opponent De Villiers, A (Aryan Connor)				Opponent De Villiers, A (Aryan Connor)
3	1	Tournament East Rand Chess Club Open 2025				Tournament East Rand Chess Club Open 2025
		date 2025-05-03	rnd 5	type Standard	result 1	date 2025-05-03	rnd 5	type Standard	result 1
		Opponent Chetty, C (Carter)				Opponent Chetty, C (Carter)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 2	type Standard	result 1	date 2025-04-12	rnd 4	type Standard	result 1
		Opponent Van Der Merwe, J (Joshua)				Opponent De Bruyn, R (Ricard)
2	1	Tournament Ekurhuleni North Chess Club Open Tournament 2025				Tournament Ekurhuleni North Chess Club Open Tournament 2025
		date 2025-08-09	rnd 5	type Standard	result 1	date 2025-08-09	rnd 5	type Standard	result 1
		Opponent De Villiers, A (Aryan Connor)				Opponent De Villiers, A (Aryan Connor)
3	1	Tournament East Rand Chess Club Open 2025				Tournament East Rand Chess Club Open 2025
		date 2025-05-03	rnd 5	type Standard	result 1	date 2025-05-03	rnd 5	type Standard	result 1
		Opponent Chetty, C (Carter)				Opponent Chetty, C (Carter)

#	Games	Start				End
1	3	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 2	type Standard	result 1	date 2025-04-12	rnd 4	type Standard	result 1
		Opponent Van Der Merwe, J (Joshua)				Opponent De Bruyn, R (Ricard)
2	1	Tournament Ekurhuleni North Chess Club Open Tournament 2025				Tournament Ekurhuleni North Chess Club Open Tournament 2025
		date 2025-08-09	rnd 5	type Standard	result 1	date 2025-08-09	rnd 5	type Standard	result 1
		Opponent De Villiers, A (Aryan Connor)				Opponent De Villiers, A (Aryan Connor)
3	1	Tournament East Rand Chess Club Open 2025				Tournament East Rand Chess Club Open 2025
		date 2025-05-03	rnd 5	type Standard	result 1	date 2025-05-03	rnd 5	type Standard	result 1
		Opponent Chetty, C (Carter)				Opponent Chetty, C (Carter)

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	Beaton ,M (Miah)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Beaton ,M (Miah)	2	1249.7	824.7	2	1242.4	824.7	0	0	0	0	0	0
2	De Villiers ,A (Aryan Connor)	2	2	425	2	2	425	0	0	0	0	0	0
2	De Villiers ,A (Aryan Connor)	2	1212.3	1637.3	2	1203.4	1637.3	0	0	0	0	0	0
3	Van Der Schyff ,C (Charlize)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Van Der Schyff ,C (Charlize)	2	1406.3	981.3	2	1397.7	981.3	0	0	0	0	0	0
4	Hex ,N (Nathan)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Hex ,N (Nathan)	2	1261.2	836.2	2	1253.1	836.2	0	0	0	0	0	0
5	Shan ,J (Jing)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Shan ,J (Jing)	2	1236.4	811.4	2	1238.8	811.4	0	0	0	0	0	0
6	Mendonca ,N (Nelita)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Mendonca ,N (Nelita)	2	1232.1	807.1	2	1215.2	807.1	0	0	0	0	0	0
7	Venter ,L (Luan)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Venter ,L (Luan)	2	1327.4	902.4	2	1275.9	902.4	0	0	0	0	0	0
8	Siwela ,A (Achim)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Siwela ,A (Achim)	1	1173	748	1	1173.2	748	0	0	0	0	0	0
9	Holmes ,B (Benjamin)	1	1	425	1	1	425	0	0	0	0	0	0
9	Holmes ,B (Benjamin)	1	1230	1655	1	1250	1655	0	0	0	0	0	0
10	Woo ,M (Malcom)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Woo ,M (Malcom)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Pretorius, R (Ronan Neo)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms