Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzee, A (Adrian)

Chess SA id

106078153

FIDE id

Date of birth

2006-05-01 (U20)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-07-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1242.3	1228.2	675.8	675.8
Raw rating	1242.3	1228.2	675.8	675.8
Weighted rating	1242.3	1228.2	675.8	675.8
Weighted performance	255.7	253.4	0	0
Floor	766.7	757.3	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	156.1	159.3	349.9	349.9
Highest rating	1280.4 2019-04-01	1270.9 2019-04-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1266.7 2019-05-01	1257.3 2019-05-01	675.8 2024-02-01	675.8 2024-02-01
Highest weighted rating	1266.7 2021-04-01	1257.3 2021-04-01	675.8 2024-11-01	675.8 2024-11-01
Highest weighted performance	1280.4 2019-04-01	1270.9 2019-04-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1242.3	1228.2	675.8	675.8
Analysis
Rating	1242.3	1228.2	675.8	675.8
Raw rating	1242.3	1228.2	675.8	675.8
Weighted rating	1242.3	1228.2	675.8
Weighted performance	255.7	253.4	0
K-factor	36	36	40	40
Floor	766.7	757.3	500	500
Max/Min rating change allowed	156.1	159.3	349.9	349.9
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	1242.3	1228.2	675.8	675.8
New weighted rating	1242.3	1228.2	675.8	675.8
New weighted performance	255.3	253	0	0
Temp new rating	1242.3	1228.2	675.8	675.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1242.3	1228.2	675.8	675.8
New K-factor	36	36	40	40
New floor	766.7	757.3	500	500

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	91	91

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Eden (WEG)
Province	Western Cape (WC)
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	56	37	66.07	136.6	1020.2	1156.8
Standard	56	37	66.07	136.6	1020.2	1156.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1242.3	1228.2	675.8	675.8
2025-09-01	1242.3	1228.2	675.8	675.8
2025-08-01	1242.3	1228.2	675.8	675.8
2025-07-01	1242.3	1228.2	675.8	675.8
2025-06-01	1242.3	1228.2	675.8	675.8
2025-05-01	1242.3	1228.2	675.8	675.8
2025-04-01	1242.3	1228.2	675.8	675.8
2025-03-01	1242.3	1228.2	675.8	675.8
2025-02-01	1242.3	1228.2	675.8	675.8
2025-01-01	1242.3	1228.2	675.8	675.8
2024-12-01	1242.3	1228.2	675.8	675.8
2024-11-01	1242.3	1228.2	675.8	675.8
2024-10-01	1242.3	1228.2	675.8	675.8
2024-09-01	1242.3	1228.2	675.8	675.8
2024-08-01	1242.3	1228.2	675.8	675.8
2024-07-01	1242.3	1228.2	675.8	675.8
2024-06-01	1242.3	1228.2	675.8	675.8
2024-08-01	1242.3	1228.2	675.8	675.8
2024-04-01	1242.3	1228.2	675.8	675.8
2024-03-01	1242.3	1228.2	675.8	675.8
2024-02-01	1242.3	1228.2	675.8	675.8
2024-01-01	1242.3	1228.2	675.8	675.8
2023-12-01	1242.3	1228.2	675.8	675.8
2023-11-01	1242.3	1228.2	675.8	675.8

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	Eden Top Schools 2019 (U15)	2019-07-20	2019-07-20	Standard	Eden (WEG)	5	5	3	Yes	Analysis
2	Eden Trials 3 2019 (U14 Open)	2019-05-11	2019-05-11	Standard	Eden (WEG)	5	5	2	Yes	Analysis
3	Western Cape Schools Individuals 2019 (U13 Boys)	2019-05-18	2019-05-19	Standard	Eden (WEG)	6	6	3	Yes	Analysis
4	Eden Trials 2 2019 (U14 Open)	2019-04-13	2019-04-13	Standard	Eden (WEG)	5	5	4	Yes	Analysis
5	Eden Trials 1 2019 (U14 Open)	2019-03-02	2019-03-02	Standard	Eden (WEG)	5	5	4	Yes	Analysis
6	EDENSC Closed 3 2018 (U14 Open)	2018-05-12	2018-05-12	Standard	Eden (WEG)	5	4	2	Yes	Analysis
7	Calitzdorp Ope 2018	2018-05-05	2018-05-05	Standard	Eden (WEG)	5	4	2	Yes	Analysis
8	Western Cape Schools Individuals 2018 (U13 Boys)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	4	Yes	Analysis
9	EDENSC Closed 2 2018 (U14 Open)	2018-04-14	2018-04-14	Standard	Eden (WEG)	5	4	4	Yes	Analysis
10	EDENSC Closed 1 2018 (U14 Boys)	2018-03-10	2018-03-10	Standard	Eden (WEG)	5	5	3	Yes	Analysis
11	South African Junior Team Championships 2017 (U12D)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	6	Yes	Analysis

#	Games	Start				End
1	6	Tournament Eden Trials 1 2019				Tournament Eden Trials 2 2019
		date 2019-03-02	rnd 4	type Standard	result 1	date 2019-04-13	rnd 4	type Standard	result 1
		Opponent Adams, J (Jade)				Opponent Williams, I (Igor)
2	6	Tournament South African Junior Team Championships 2017				Tournament EDENSC Closed 1 2018
		date 2018-01-06	rnd 5	type Standard	result 1	date 2018-03-10	rnd 3	type Standard	result 1
		Opponent Botes, A (Arne)				Opponent More, R (Robert)
3	5	Tournament Western Cape Schools Individuals 2018				Tournament Eden Trials 1 2019
		date 2018-05-19	rnd 4	type Standard	result 1	date 2019-03-02	rnd 2	type Standard	result 1
		Opponent Schroeder, C (Carl)				Opponent Greeff, S (Simon)

#	Games	Start				End
1	6	Tournament Eden Trials 1 2019				Tournament Eden Trials 2 2019
		date 2019-03-02	rnd 4	type Standard	result 1	date 2019-04-13	rnd 4	type Standard	result 1
		Opponent Adams, J (Jade)				Opponent Williams, I (Igor)
2	6	Tournament South African Junior Team Championships 2017				Tournament EDENSC Closed 1 2018
		date 2018-01-06	rnd 5	type Standard	result 1	date 2018-03-10	rnd 3	type Standard	result 1
		Opponent Botes, A (Arne)				Opponent More, R (Robert)
3	5	Tournament Western Cape Schools Individuals 2018				Tournament Eden Trials 1 2019
		date 2018-05-19	rnd 4	type Standard	result 1	date 2019-03-02	rnd 2	type Standard	result 1
		Opponent Schroeder, C (Carl)				Opponent Greeff, S (Simon)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Eden Trials 1 2019				Tournament Eden Trials 2 2019
		date 2019-03-02	rnd 4	type Standard	result 1	date 2019-04-13	rnd 4	type Standard	result 1
		Opponent Adams, J (Jade)				Opponent Williams, I (Igor)
2	6	Tournament South African Junior Team Championships 2017				Tournament EDENSC Closed 1 2018
		date 2018-01-06	rnd 5	type Standard	result 1	date 2018-03-10	rnd 3	type Standard	result 1
		Opponent Botes, A (Arne)				Opponent More, R (Robert)
3	5	Tournament Western Cape Schools Individuals 2018				Tournament Eden Trials 1 2019
		date 2018-05-19	rnd 4	type Standard	result 1	date 2019-03-02	rnd 2	type Standard	result 1
		Opponent Schroeder, C (Carl)				Opponent Greeff, S (Simon)

#	Games	Start				End
1	6	Tournament Eden Trials 1 2019				Tournament Eden Trials 2 2019
		date 2019-03-02	rnd 4	type Standard	result 1	date 2019-04-13	rnd 4	type Standard	result 1
		Opponent Adams, J (Jade)				Opponent Williams, I (Igor)
2	6	Tournament South African Junior Team Championships 2017				Tournament EDENSC Closed 1 2018
		date 2018-01-06	rnd 5	type Standard	result 1	date 2018-03-10	rnd 3	type Standard	result 1
		Opponent Botes, A (Arne)				Opponent More, R (Robert)
3	5	Tournament Western Cape Schools Individuals 2018				Tournament Eden Trials 1 2019
		date 2018-05-19	rnd 4	type Standard	result 1	date 2019-03-02	rnd 2	type Standard	result 1
		Opponent Schroeder, C (Carl)				Opponent Greeff, S (Simon)

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	Skippers ,J (Jaywin)	1	1	425	1	1	425	0	0	0	0	0	0
1	Skippers ,J (Jaywin)	1	920.5	1345.5	1	880	1345.5	0	0	0	0	0	0
2	Smit ,K (Kevin)	1	1	425	1	1	425	0	0	0	0	0	0
2	Smit ,K (Kevin)	1	1080.8	1505.8	1	1088.9	1505.8	0	0	0	0	0	0
3	Du Preez-Gratz ,C (Claire)	1	1	425	1	1	425	0	0	0	0	0	0
3	Du Preez-Gratz ,C (Claire)	1	1097.5	1522.5	1	1143	1522.5	0	0	0	0	0	0
4	Windvogel ,P (Perceival)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Windvogel ,P (Perceival)	1	1232.2	807.2	1	1238.8	807.2	0	0	0	0	0	0
5	Witbooi ,J (Juan)	1	1	425	1	1	425	0	0	0	0	0	0
5	Witbooi ,J (Juan)	1	1196.7	1621.7	1	1192.4	1621.7	0	0	0	0	0	0
6	Mofokeng ,K (Kamohelo)	1	1	425	1	1	425	0	0	0	0	0	0
6	Mofokeng ,K (Kamohelo)	1	580.8	1005.8	1	580.8	1005.8	0	0	0	0	0	0
7	Adams ,J (Jedediah)	1	1	425	1	1	425	0	0	0	0	0	0
7	Adams ,J (Jedediah)	1	1192.9	1617.9	1	1193.4	1617.9	0	0	0	0	0	0
8	Williams ,A (Anrico)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Williams ,A (Anrico)	1	702	277	1	702	277	0	0	0	0	0	0
9	Cornelissen ,K (Kieran)	1	1	425	1	1	425	0	0	0	0	0	0
9	Cornelissen ,K (Kieran)	1	1145.5	1570.5	1	976.8	1570.5	0	0	0	0	0	0
10	Hitzeroth ,K (Kevin)	1	1	425	1	1	425	0	0	0	0	0	0
10	Hitzeroth ,K (Kevin)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Coetzee, A (Adrian)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms