Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Preez, A (Amrin)

Chess SA id

1060148717

FIDE id

Date of birth

2006-06-13 (U20)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-08-19

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1173.8	1187.6	1179.5	1200
Raw rating	1173.8	1187.6	1179.5	1200
Weighted rating	1173.5	1187.6	1179.1	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	172.1	168.8	170.7	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1173.8	1187.6	1179.5	1200
Analysis
Rating	1173.8	1187.6	1179.5	1200
Raw rating	1173.8	1187.6	1179.5	1200
Weighted rating	1173.5	1187.6	1179.1
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	172.1	168.8	170.7	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	1173.8	1187.6	1179.5	1200
New weighted rating	1173.5	1187.6	1179.2	1200
New weighted performance	0	0	0	0
Temp new rating	1173.8	1187.6	1179.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1173.8	1187.6	1179.5	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	10	5	5
	0	0	0
	0	0	0
History	10	5	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	10	4	40	-85	1202.6	1117.6
Standard	5	2	40	-85	1227.8	1142.8
Rapid	5	2	40	-85	1177.3	1092.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1173.8	1187.6	1179.5	1200
2025-09-30	1173.8	1187.6	1179.5	1200
2025-09-01	1173.8	1187.6	1179.5	1200
2025-08-01	1173.8	1187.6	1179.5	1200
2025-07-01	1173.8	1187.6	1179.5	1200
2025-06-01	1173.8	1187.6	1179.5	1200
2025-05-01	1173.8	1187.6	1179.5	1200
2025-04-01	1173.8	1187.6	1179.5	1200
2025-03-01	1173.8	1187.6	1179.5	1200
2025-02-01	1173.8	1187.6	1179.5	1200
2025-01-01	1172.9	1187.6	1178.4	1200
2024-12-01	1172.9	1187.6	1178.4	1200
2024-11-01	1172.9	1187.6	1178.4	1200
2024-10-01	1172.9	1187.6	1178.4	1200
2024-09-01	1172.9	1187.6	1178.4	1200
2024-08-01	1172.9	1187.6	1178.4	1200
2024-07-01	1172.9	1187.6	1178.4	1200
2024-09-01	1172.9	1187.6	1178.4	1200
2024-05-01	1172.9	1187.6	1178.4	1200
2024-04-01	1172.9	1187.6	1178.4	1200
2024-03-01	1172.9	1187.6	1178.4	1200
2024-02-01	1172.9	1187.6	1178.4	1200
2024-01-01	1172.9	1187.6	1178.4	1200
2023-12-01	1172.9	1187.6	1178.4	1200

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	Bojanala School League 2023 (High School Open)	2023-08-19	2023-08-19	Rapid	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
2	Harties Wolf Pack 2023 (Knights)	2023-01-21	2023-01-21	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Bojanala School League 2023				Tournament Bojanala School League 2023
		date 2023-08-19	rnd 2	type Rapid	result 0.5	date 2023-08-19	rnd 4	type Rapid	result 1
		Opponent Mogosoane, M (Mosa)				Opponent Grobler, E (Erwee)
2	1	Tournament Harties Wolf Pack 2023				Tournament Harties Wolf Pack 2023
		date 2023-01-21	rnd 4	type Standard	result 1	date 2023-01-21	rnd 4	type Standard	result 1
		Opponent Pretorius, S (Stephan Nicolaas)				Opponent Pretorius, S (Stephan Nicolaas)
3	1	Tournament Harties Wolf Pack 2023				Tournament Harties Wolf Pack 2023
		date 2023-01-21	rnd 2	type Standard	result 1	date 2023-01-21	rnd 2	type Standard	result 1
		Opponent Janse Van Rensburg, A (Adam Jacobus)				Opponent Janse Van Rensburg, A (Adam Jacobus)

#	Games	Start				End
1	1	Tournament Harties Wolf Pack 2023				Tournament Harties Wolf Pack 2023
		date 2023-01-21	rnd 4	type Standard	result 1	date 2023-01-21	rnd 4	type Standard	result 1
		Opponent Pretorius, S (Stephan Nicolaas)				Opponent Pretorius, S (Stephan Nicolaas)
2	1	Tournament Harties Wolf Pack 2023				Tournament Harties Wolf Pack 2023
		date 2023-01-21	rnd 2	type Standard	result 1	date 2023-01-21	rnd 2	type Standard	result 1
		Opponent Janse Van Rensburg, A (Adam Jacobus)				Opponent Janse Van Rensburg, A (Adam Jacobus)

#	Games	Start				End
1	3	Tournament Bojanala School League 2023				Tournament Bojanala School League 2023
		date 2023-08-19	rnd 2	type Rapid	result 0.5	date 2023-08-19	rnd 4	type Rapid	result 1
		Opponent Mogosoane, M (Mosa)				Opponent Grobler, E (Erwee)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Bojanala School League 2023				Tournament Bojanala School League 2023
		date 2023-08-19	rnd 4	type Rapid	result 1	date 2023-08-19	rnd 4	type Rapid	result 1
		Opponent Grobler, E (Erwee)				Opponent Grobler, E (Erwee)
2	1	Tournament Harties Wolf Pack 2023				Tournament Harties Wolf Pack 2023
		date 2023-01-21	rnd 4	type Standard	result 1	date 2023-01-21	rnd 4	type Standard	result 1
		Opponent Pretorius, S (Stephan Nicolaas)				Opponent Pretorius, S (Stephan Nicolaas)
3	1	Tournament Harties Wolf Pack 2023				Tournament Harties Wolf Pack 2023
		date 2023-01-21	rnd 2	type Standard	result 1	date 2023-01-21	rnd 2	type Standard	result 1
		Opponent Janse Van Rensburg, A (Adam Jacobus)				Opponent Janse Van Rensburg, A (Adam Jacobus)

#	Games	Start				End
1	1	Tournament Harties Wolf Pack 2023				Tournament Harties Wolf Pack 2023
		date 2023-01-21	rnd 4	type Standard	result 1	date 2023-01-21	rnd 4	type Standard	result 1
		Opponent Pretorius, S (Stephan Nicolaas)				Opponent Pretorius, S (Stephan Nicolaas)
2	1	Tournament Harties Wolf Pack 2023				Tournament Harties Wolf Pack 2023
		date 2023-01-21	rnd 2	type Standard	result 1	date 2023-01-21	rnd 2	type Standard	result 1
		Opponent Janse Van Rensburg, A (Adam Jacobus)				Opponent Janse Van Rensburg, A (Adam Jacobus)

#	Games	Start				End
1	1	Tournament Bojanala School League 2023				Tournament Bojanala School League 2023
		date 2023-08-19	rnd 4	type Rapid	result 1	date 2023-08-19	rnd 4	type Rapid	result 1
		Opponent Grobler, E (Erwee)				Opponent Grobler, E (Erwee)

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	Pretorius ,S (Stephan Nicolaas)	1	1	425	1	1	425	0	0	0	0	0	0
1	Pretorius ,S (Stephan Nicolaas)	1	1158.2	1583.2	1	1147.2	1583.2	0	0	0	0	0	0
2	Janse Van Rensburg ,A (Adam Jacobus)	1	1	425	1	1	425	0	0	0	0	0	0
2	Janse Van Rensburg ,A (Adam Jacobus)	1	1276.3	1701.3	1	1280.1	1701.3	0	0	0	0	0	0
3	Gouws ,K (Karah)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Gouws ,K (Karah)	1	1264.9	839.9	1	1266	839.9	0	0	0	0	0	0
4	Kgetsi ,M (Mohau)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Kgetsi ,M (Mohau)	1	1176.1	751.1	1	1172.8	751.1	0	0	0	0	0	0
5	Turusida ,T (Tshiamo)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Turusida ,T (Tshiamo)	1	1263.4	838.4	1	1257.8	838.4	0	0	0	0	0	0
6	Wangra ,Z (Zachary)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Wangra ,Z (Zachary)	1	1151.2	726.2	0	0	0	1	1200	726.2	0	0	0
7	Dintwe ,S (Stephen)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Dintwe ,S (Stephen)	1	1228.4	803.4	0	0	0	1	1200	803.4	0	0	0
8	Matela ,T (Thato Judith)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
8	Matela ,T (Thato Judith)	1	1199.7	1199.7	0	0	0	1	1200	1199.7	0	0	0
9	Grobler ,E (Erwee)	1	1	425	0	0	0	1	1	425	0	0	0
9	Grobler ,E (Erwee)	1	1107	1532	0	0	0	1	1200	1532	0	0	0
10	Mogosoane ,M (Mosa)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
10	Mogosoane ,M (Mosa)	1	1200	1200	0	0	0	1	1200	1200	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Du Preez, A (Amrin)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms