Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzee, A (Aden)

Chess SA id

1040097954

FIDE id

Date of birth

2004-07-13 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-01-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1403.1	1397	1374	1200
Raw rating	1403.1	1397	1374	1200
Weighted rating	1403.1	1397	1373.7	1200
Weighted performance	322.3	312.7	0	0
Floor	920.4	907.2	874	700
K-factor	32	32	36	36
Min/Max rating change allowed	124.2	125.2	129.4	165.8
Highest rating	1555.8 2019-09-01	1544.4 2019-09-01	1550.6 2019-06-01	1200 2018-10-01
Highest raw rating	1420.4 2020-01-01	1407.2 2020-01-01	1374 2024-02-01	1200 2024-02-01
Highest weighted rating	1420.4 2021-08-01	1396.9 2025-08-01	1371.4 2025-08-01	1200 2018-10-01
Highest weighted performance	1555.8 2019-09-01	1544.4 2019-09-01	1550.6 2019-06-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1403.1	1397	1374	1200
Analysis
Rating	1403.1	1397	1374	1200
Raw rating	1403.1	1397	1374	1200
Weighted rating	1403.1	1397	1373.7
Weighted performance	322.3	312.7	0
K-factor	32	32	36	36
Floor	920.4	907.2	874	700
Max/Min rating change allowed	124.2	125.2	129.4	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	1403.1	1397	1374	1200
New weighted rating	1403.1	1397	1374	1200
New weighted performance	314	304.6	0	0
Temp new rating	1403.1	1397	1374	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1403.1	1397	1374	1200
New K-factor	32	32	36	36
New floor	920.4	907.2	874	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	75	66	9

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	75	45.5	60.67	90.7	1291.9	1382.6
Standard	66	40.5	61.36	96.6	1265.3	1361.9
Rapid	9	5	55.56	47.2	1487.2	1534.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1403.1	1397	1374	1200
2025-09-30	1403.1	1397	1374	1200
2025-09-01	1403.1	1397	1374	1200
2025-08-01	1403.1	1397	1374	1200
2025-07-01	1403.1	1397	1374	1200
2025-06-01	1403.1	1397	1374	1200
2025-05-01	1403.1	1397	1374	1200
2025-04-01	1403.1	1397	1374	1200
2025-03-01	1403.1	1397	1374	1200
2025-02-01	1403.1	1397	1374	1200
2025-01-01	1403.1	1397	1374	1200
2024-12-01	1403.1	1397	1374	1200
2024-11-01	1403.1	1397	1374	1200
2024-10-01	1403.1	1397	1374	1200
2024-09-01	1403.1	1397	1374	1200
2024-08-01	1403.1	1397	1374	1200
2024-07-01	1403.1	1397	1374	1200
2024-09-01	1403.1	1397	1374	1200
2024-05-01	1403.1	1397	1374	1200
2024-04-01	1403.1	1397	1374	1200
2024-03-01	1403.1	1397	1374	1200
2024-02-01	1403.1	1397	1374	1200
2024-01-01	1403.1	1397	1374	1200
2023-12-01	1403.1	1394.1	1294.8	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	2019 South African Junior Team Championships (U16B)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	4	Yes	Analysis
2	2019 National Club Chess Championships (B)	2019-09-27	2019-09-29	Standard	Cape Town (WCT)	6	3	2	Yes	Analysis
3	2019 Western Province League (Premier)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	1	1	Yes	Analysis
4	2019 Western Province League (B)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	10	5	Yes	Analysis
5	Condorgreen Mitchell`s Plain Chess Open Tournament 2019	2019-06-01	2019-06-02	Rapid	Cape Town (WCT)	9	9	5	Yes	Analysis
6	Steinitz Chess Festival 2019 (B)	2019-04-05	2019-04-07	Standard	Cape Town (WCT)	6	5	2	Yes	Analysis
7	Crossroads Open Chess Championship 2019 (C)	2019-04-27	2019-04-28	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis
8	Cape of Good Hope Open 2019 (C)	2019-01-25	2019-01-27	Standard	Cape Town (WCT)	6	6	4.5	Yes	Analysis
9	ACL Chess Festival 2018 (Open)	2018-10-05	2018-10-07	Standard	Cape Town (WCT)	5	5	2.5	Yes	Analysis
10	2018 Western Province League (B)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	4	3	Yes	Analysis
11	2018 Western Province League (E)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	7	7	4	Yes	Analysis
12	Crossroads Open Chess Championship 2018 (B)	2018-04-27	2018-04-29	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
13	2018 Western Province Open (C)	2018-03-02	2018-03-04	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis

#	Games	Start				End
1	7	Tournament ACL Chess Festival 2018				Tournament Cape of Good Hope Open 2019
		date 2018-10-07	rnd 5	type Standard	result 1	date 2019-01-27	rnd 6	type Standard	result 1
		Opponent Nieuwoudt, N (Noreht)				Opponent Lewaks, S (Shaundre)
2	5	Tournament 2018 Western Province Open				Tournament Crossroads Open Chess Championship 2018
		date 2018-03-04	rnd 5	type Standard	result 1	date 2018-04-28	rnd 3	type Standard	result 0.5
		Opponent Pillay, PJ (Palin)				Opponent Willenberg, SR (Shaun)
3	4	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-06	rnd 4	type Standard	result 0.5	date 2020-01-08	rnd 7	type Standard	result 0.5
		Opponent Rhoodie, N (Nicolaas)				Opponent Petlele, M (Motheo)

#	Games	Start				End
1	7	Tournament ACL Chess Festival 2018				Tournament Cape of Good Hope Open 2019
		date 2018-10-07	rnd 5	type Standard	result 1	date 2019-01-27	rnd 6	type Standard	result 1
		Opponent Nieuwoudt, N (Noreht)				Opponent Lewaks, S (Shaundre)
2	5	Tournament 2018 Western Province Open				Tournament Crossroads Open Chess Championship 2018
		date 2018-03-04	rnd 5	type Standard	result 1	date 2018-04-28	rnd 3	type Standard	result 0.5
		Opponent Pillay, PJ (Palin)				Opponent Willenberg, SR (Shaun)
3	4	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-06	rnd 4	type Standard	result 0.5	date 2020-01-08	rnd 7	type Standard	result 0.5
		Opponent Rhoodie, N (Nicolaas)				Opponent Petlele, M (Motheo)

#	Games	Start				End
1	2	Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019				Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019
		date 2019-06-02	rnd 7	type Rapid	result 1	date 2019-06-02	rnd 8	type Rapid	result 1
		Opponent Losper, I (Ishmaeel)				Opponent Rajie, U (Ubaid)
2	1	Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019				Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019
		date 2019-06-01	rnd 5	type Rapid	result 1	date 2019-06-01	rnd 5	type Rapid	result 1
		Opponent Brooks, Z (Zakeer)				Opponent Brooks, Z (Zakeer)
3	1	Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019				Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019
		date 2019-06-01	rnd 3	type Rapid	result 1	date 2019-06-01	rnd 3	type Rapid	result 1
		Opponent Damon, A (Ayyoob)				Opponent Damon, A (Ayyoob)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Crossroads Open Chess Championship 2019				Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019
		date 2019-04-28	rnd 4	type Standard	result 1	date 2019-06-01	rnd 1	type Rapid	result 1
		Opponent Msebi, S (Simamkele)				Opponent Larney, A (Abduragmaan)
2	4	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-08-04	rnd 2	type Standard	result 1	date 2018-08-18	rnd 5	type Standard	result 1
		Opponent Kruger, A (Aiden)				Opponent Baatjies, D (Damiane)
3	4	Tournament 2018 Western Province Open				Tournament Crossroads Open Chess Championship 2018
		date 2018-03-04	rnd 5	type Standard	result 1	date 2018-04-27	rnd 2	type Standard	result 1
		Opponent Pillay, PJ (Palin)				Opponent Daniels, G (George)

#	Games	Start				End
1	4	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-08-04	rnd 2	type Standard	result 1	date 2018-08-18	rnd 5	type Standard	result 1
		Opponent Kruger, A (Aiden)				Opponent Baatjies, D (Damiane)
2	4	Tournament 2018 Western Province Open				Tournament Crossroads Open Chess Championship 2018
		date 2018-03-04	rnd 5	type Standard	result 1	date 2018-04-27	rnd 2	type Standard	result 1
		Opponent Pillay, PJ (Palin)				Opponent Daniels, G (George)
3	3	Tournament 2019 National Club Chess Championships				Tournament 2019 South African Junior Team Championships
		date 2019-09-28	rnd 3	type Standard	result 1	date 2020-01-04	rnd 1	type Standard	result 1
		Opponent Zimondi, T (Thafadzwa)				Opponent Dlamini, V (Valentino)

#	Games	Start				End
1	2	Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019				Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019
		date 2019-06-02	rnd 7	type Rapid	result 1	date 2019-06-02	rnd 8	type Rapid	result 1
		Opponent Losper, I (Ishmaeel)				Opponent Rajie, U (Ubaid)
2	1	Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019				Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019
		date 2019-06-01	rnd 5	type Rapid	result 1	date 2019-06-01	rnd 5	type Rapid	result 1
		Opponent Brooks, Z (Zakeer)				Opponent Brooks, Z (Zakeer)
3	1	Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019				Tournament Condorgreen Mitchell`s Plain Chess Open Tournament 2019
		date 2019-06-01	rnd 3	type Rapid	result 1	date 2019-06-01	rnd 3	type Rapid	result 1
		Opponent Damon, A (Ayyoob)				Opponent Damon, A (Ayyoob)

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	Adriaanse ,GJ (Gerswin Jacques)	2	2	425	2	2	425	0	0	0	0	0	0
1	Adriaanse ,GJ (Gerswin Jacques)	2	1353.7	1778.7	2	1360.5	1778.7	0	0	0	0	0	0
2	Booysen ,L (Louis)	2	1	0	2	1	0	0	0	0	0	0	0
2	Booysen ,L (Louis)	2	1208.4	1208.4	2	1213.6	1208.4	0	0	0	0	0	0
3	Jansen ,L (Lyle)	2	1	0	2	1	0	0	0	0	0	0	0
3	Jansen ,L (Lyle)	2	1331.5	1331.5	2	1297.8	1331.5	0	0	0	0	0	0
4	Baatjies ,D (Damiane)	1	1	425	1	1	425	0	0	0	0	0	0
4	Baatjies ,D (Damiane)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Willenberg ,SR (Shaun Ralph)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Willenberg ,SR (Shaun Ralph)	1	1571.1	1571.1	1	1582.7	1571.1	0	0	0	0	0	0
6	Nieuwoudt ,N (Noreht)	1	1	425	1	1	425	0	0	0	0	0	0
6	Nieuwoudt ,N (Noreht)	1	1057.7	1482.7	1	1021.7	1482.7	0	0	0	0	0	0
7	Van Der Vyver ,BL (Braam)	1	1	425	1	1	425	0	0	0	0	0	0
7	Van Der Vyver ,BL (Braam)	1	1326.2	1751.2	1	1325.5	1751.2	0	0	0	0	0	0
8	Blankenberg ,T (Taylon)	1	1	425	1	1	425	0	0	0	0	0	0
8	Blankenberg ,T (Taylon)	1	1442.7	1867.7	1	1440.7	1867.7	0	0	0	0	0	0
9	Lee ,J (Joshua)	1	1	425	1	1	425	0	0	0	0	0	0
9	Lee ,J (Joshua)	1	1381.6	1806.6	1	1387	1806.6	0	0	0	0	0	0
10	Joubert ,N (Natasha)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Joubert ,N (Natasha)	1	1380.9	955.9	1	1377.6	955.9	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

Coetzee, A (Aden)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms