Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pieterse, A (Arnold)

Chess SA id

1150315278

FIDE id

Date of birth

2015-06-25 (U12)

Gender

Male

Region

Sarah Baartman (ESB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1199

Item	Main	Standard	Rapid	Blitz
Rating	1207.6	1209.6	1200	1200
Raw rating	1206.2	1207.7	1200	1200
Weighted rating	1207.6	1209.6	1200	1200
Weighted performance	1121.1	1122.1	0	0
Floor	738.4	747.7	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	164.4	164	165.8	165.8
Highest rating	1238.4 2025-05-05	1247.7 2025-05-05	1200 2025-03-01	1200 2025-03-01
Highest raw rating	1238.4 2025-05-05	1247.7 2025-05-05	1200 2025-03-01	1200 2025-03-01
Highest weighted rating	1238.4 2025-07-01	1247.7 2025-07-01	1200 2025-03-01	1200 2025-03-01
Highest weighted performance	1145.3 2025-08-01	1146.4 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.1	0.1	0	0
New rating	1207.7	1209.8	1200	1200
Analysis
Rating	1207.6	1209.6	1200	1200
Raw rating	1206.2	1207.7	1200	1200
Weighted rating	1207.6	1209.6	1200
Weighted performance	1121.1	1122.1	0
K-factor	36	36	36	36
Floor	738.4	747.7	700	700
Max/Min rating change allowed	164.4	164	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	1206.2	1207.7	1200	1200
New weighted rating	1207.7	1209.8	1200	1200
New weighted performance	1120.7	1121.7	0	0
Temp new rating	1207.7	1209.8	1200	1200
Temp new rating +/-	0.1	0.1	0	0
Final new rating +/-	0.1	0.1	0	0
New rating	1207.7	1209.8	1200	1200
New K-factor	36	36	36	36
New floor	738.4	747.7	700	700

Item	Main	Standard
	0	0
	26	26
	0	0
	0	0
	0	0
	0	0
History	26	26

Games since
	Main 26	Standard 26		Rapid 0		Blitz 0
Gender	Male
Age group	U12
Region	Sarah Baartman (ESB)
Province	Eastern Cape (EC)
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	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
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	26	11	42.31	-65.4	1269.6	1204.2
Standard	26	11	42.31	-65.4	1269.6	1204.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	26	11	42.31	-65.4	1269.6	1204.2
Standard	26	11	42.31	-65.4	1269.6	1204.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1206.2	1207.7	1200	1200
2025-09-01	1206.2	1207.7	1200	1200
2025-08-01	1206.2	1207.7	1200	1200
2025-07-01	1216.1	1220.8	1200	1200
2025-06-01	1216.1	1220.8	1200	1200
2025-05-01	1238.4	1247.7	1200	1200
2025-04-01	1210.7	1213.7	1200	1200
2025-03-01	1216.3	1220.5	1200	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
2024-06-01	1200	1200	1200	1200
2024-08-01	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
2023-11-01	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	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U12 Open)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	5	1	Yes	Analysis
2	SBDCA Closed 2025 (U12 Boys)	2025-05-10	2025-05-10	Standard	Sarah Baartman (ESB)	6	6	2	Yes	Analysis
3	SBD Trials Graaff Reinet 12 April 2025 (U12)	2025-04-12	2025-04-12	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
4	SBDCA Trials GRT 22 March 2025 (U12 Boys)	2025-03-22	2025-03-22	Standard	Sarah Baartman (ESB)	5	5	2	Yes	Analysis
5	SBDCU Graaff-Reinet Trials 2025 (U12)	2025-02-15	2025-02-15	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U12 Open)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	5	1	Yes	Analysis
2	SBDCA Closed 2025 (U12 Boys)	2025-05-10	2025-05-10	Standard	Sarah Baartman (ESB)	6	6	2	Yes	Analysis
3	SBD Trials Graaff Reinet 12 April 2025 (U12)	2025-04-12	2025-04-12	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
4	SBDCA Trials GRT 22 March 2025 (U12 Boys)	2025-03-22	2025-03-22	Standard	Sarah Baartman (ESB)	5	5	2	Yes	Analysis
5	SBDCU Graaff-Reinet Trials 2025 (U12)	2025-02-15	2025-02-15	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament SBD Trials Graaff Reinet 12 April 2025				Tournament SBD Trials Graaff Reinet 12 April 2025
		date 2025-04-12	rnd 4	type Standard	result 1	date 2025-04-12	rnd 5	type Standard	result 1
		Opponent Bellingan, Z (Zanke)				Opponent Jacobs, A (Azareah)
2	2	Tournament SBDCA Trials GRT 22 March 2025				Tournament SBDCA Trials GRT 22 March 2025
		date 2025-03-22	rnd 1	type Standard	result 1	date 2025-03-22	rnd 2	type Standard	result 1
		Opponent Ahmed, J (Jaqwan)				Opponent Keevy, P (Phillip)
3	2	Tournament SBDCU Graaff-Reinet Trials 2025				Tournament SBDCU Graaff-Reinet Trials 2025
		date 2025-02-15	rnd 3	type Standard	result 1	date 2025-02-15	rnd 4	type Standard	result 1
		Opponent Dibi, C (Cwenga)				Opponent Brinkhuis, C (Caris)

#	Games	Start				End
1	2	Tournament SBD Trials Graaff Reinet 12 April 2025				Tournament SBD Trials Graaff Reinet 12 April 2025
		date 2025-04-12	rnd 4	type Standard	result 1	date 2025-04-12	rnd 5	type Standard	result 1
		Opponent Bellingan, Z (Zanke)				Opponent Jacobs, A (Azareah)
2	2	Tournament SBDCA Trials GRT 22 March 2025				Tournament SBDCA Trials GRT 22 March 2025
		date 2025-03-22	rnd 1	type Standard	result 1	date 2025-03-22	rnd 2	type Standard	result 1
		Opponent Ahmed, J (Jaqwan)				Opponent Keevy, P (Phillip)
3	2	Tournament SBDCU Graaff-Reinet Trials 2025				Tournament SBDCU Graaff-Reinet Trials 2025
		date 2025-02-15	rnd 3	type Standard	result 1	date 2025-02-15	rnd 4	type Standard	result 1
		Opponent Dibi, C (Cwenga)				Opponent Brinkhuis, C (Caris)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament SBD Trials Graaff Reinet 12 April 2025				Tournament SBD Trials Graaff Reinet 12 April 2025
		date 2025-04-12	rnd 4	type Standard	result 1	date 2025-04-12	rnd 5	type Standard	result 1
		Opponent Bellingan, Z (Zanke)				Opponent Jacobs, A (Azareah)
2	2	Tournament SBDCA Trials GRT 22 March 2025				Tournament SBDCA Trials GRT 22 March 2025
		date 2025-03-22	rnd 1	type Standard	result 1	date 2025-03-22	rnd 2	type Standard	result 1
		Opponent Ahmed, J (Jaqwan)				Opponent Keevy, P (Phillip)
3	2	Tournament SBDCU Graaff-Reinet Trials 2025				Tournament SBDCU Graaff-Reinet Trials 2025
		date 2025-02-15	rnd 3	type Standard	result 1	date 2025-02-15	rnd 4	type Standard	result 1
		Opponent Dibi, C (Cwenga)				Opponent Brinkhuis, C (Caris)

#	Games	Start				End
1	2	Tournament SBD Trials Graaff Reinet 12 April 2025				Tournament SBD Trials Graaff Reinet 12 April 2025
		date 2025-04-12	rnd 4	type Standard	result 1	date 2025-04-12	rnd 5	type Standard	result 1
		Opponent Bellingan, Z (Zanke)				Opponent Jacobs, A (Azareah)
2	2	Tournament SBDCA Trials GRT 22 March 2025				Tournament SBDCA Trials GRT 22 March 2025
		date 2025-03-22	rnd 1	type Standard	result 1	date 2025-03-22	rnd 2	type Standard	result 1
		Opponent Ahmed, J (Jaqwan)				Opponent Keevy, P (Phillip)
3	2	Tournament SBDCU Graaff-Reinet Trials 2025				Tournament SBDCU Graaff-Reinet Trials 2025
		date 2025-02-15	rnd 3	type Standard	result 1	date 2025-02-15	rnd 4	type Standard	result 1
		Opponent Dibi, C (Cwenga)				Opponent Brinkhuis, C (Caris)

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	Klasse ,K (Kemar)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	Klasse ,K (Kemar)	3	1201.2	1059.5	3	1198.1	1059.5	0	0	0	0	0	0
2	Stander ,D (Davian)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Stander ,D (Davian)	2	1289.6	864.6	2	1308.2	864.6	0	0	0	0	0	0
3	Manton ,C (Charlie)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Manton ,C (Charlie)	2	1526.7	1101.7	2	1530.4	1101.7	0	0	0	0	0	0
4	Ahmed ,J (Jaqwan)	2	2	425	2	2	425	0	0	0	0	0	0
4	Ahmed ,J (Jaqwan)	2	1186.3	1611.3	2	1200.8	1611.3	0	0	0	0	0	0
5	Jacobs ,J (Junaid)	1	1	425	1	1	425	0	0	0	0	0	0
5	Jacobs ,J (Junaid)	1	1193.2	1618.2	1	1191.9	1618.2	0	0	0	0	0	0
6	Bellingan ,Z (Zanke)	1	1	425	1	1	425	0	0	0	0	0	0
6	Bellingan ,Z (Zanke)	1	1184.4	1609.4	1	1203.3	1609.4	0	0	0	0	0	0
7	Wolfaardt ,F (Franco)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Wolfaardt ,F (Franco)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Kettledas ,JF (Jerrin Fagan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Kettledas ,JF (Jerrin Fagan)	1	1151.8	726.8	1	1160	726.8	0	0	0	0	0	0
9	Van Vliet ,J (Janu)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Van Vliet ,J (Janu)	1	1178.2	753.2	1	1194.9	753.2	0	0	0	0	0	0
10	Dlepu ,I (Inathi)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Dlepu ,I (Inathi)	1	1285.1	860.1	1	1271.8	860.1	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

Pieterse, A (Arnold)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms