Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzee, A (Arno George)

Chess SA id

1060141630

FIDE id

Date of birth

2006-06-04 (U20)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-08-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1264.1	1274.2	1200	1200
Raw rating	1264.1	1274.2	1200	1200
Weighted rating	1264.1	1274.2	1200	1200
Weighted performance	0	0	0	0
Floor	764.1	774.2	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	151.3	149.2	165.8	165.8
Highest rating	1412.4 2022-08-01	1408.5 2022-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1264.1 2024-02-01	1274.2 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1264.1 2024-08-01	1274.2 2024-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1412.4 2022-08-01	1408.5 2022-08-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1264.1	1274.2	1200	1200
Analysis
Rating	1264.1	1274.2	1200	1200
Raw rating	1264.1	1274.2	1200	1200
Weighted rating	1264.1	1274.2	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	764.1	774.2	700	700
Max/Min rating change allowed	151.3	149.2	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	1264.1	1274.2	1200	1200
New weighted rating	1264.1	1274.2	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1264.1	1274.2	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1264.1	1274.2	1200	1200
New K-factor	36	36	36	36
New floor	764.1	774.2	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	9	9
	0	0
History	9	9

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Tshwane (GTP)
Province	Gauteng (GT)
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	9	7	77.78	236.1	1174.8	1410.9
Standard	9	7	77.78	236.1	1174.8	1410.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1264.1	1274.2	1200	1200
2025-09-01	1264.1	1274.2	1200	1200
2025-08-01	1264.1	1274.2	1200	1200
2025-07-01	1264.1	1274.2	1200	1200
2025-06-01	1264.1	1274.2	1200	1200
2025-05-01	1264.1	1274.2	1200	1200
2025-04-01	1264.1	1274.2	1200	1200
2025-03-01	1264.1	1274.2	1200	1200
2025-02-01	1264.1	1274.2	1200	1200
2025-01-01	1264.1	1274.2	1200	1200
2024-12-01	1264.1	1274.2	1200	1200
2024-11-01	1264.1	1274.2	1200	1200
2024-10-01	1264.1	1274.2	1200	1200
2024-09-01	1264.1	1274.2	1200	1200
2024-08-01	1264.1	1274.2	1200	1200
2024-07-01	1264.1	1274.2	1200	1200
2024-06-01	1264.1	1274.2	1200	1200
2024-08-01	1264.1	1274.2	1200	1200
2024-04-01	1264.1	1274.2	1200	1200
2024-03-01	1264.1	1274.2	1200	1200
2024-02-01	1264.1	1274.2	1200	1200
2024-01-01	1264.1	1274.2	1200	1200
2023-12-01	1264.1	1274.2	1200	1200
2023-11-01	1264.1	1274.2	1200	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	2022 Gauteng Schools Team Championships (U19 Open)	2022-08-26	2022-08-26	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
2	2022 D3 Cluster Teams (U19)	2022-05-28	2022-05-28	Standard	Tshwane (GTP)	5	4	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-26	rnd 2	type Standard	result 1	date 2022-08-26	rnd 5	type Standard	result 1
		Opponent Zondo, S (Sizwe)				Opponent Ngidi, B (Bradley)
2	2	Tournament 2022 D3 Cluster Teams				Tournament 2022 D3 Cluster Teams
		date 2022-05-28	rnd 1	type Standard	result 1	date 2022-05-28	rnd 2	type Standard	result 1
		Opponent Van Heerden, L (Lisa)				Opponent Ngati, O (Ofentse)
3	1	Tournament 2022 D3 Cluster Teams				Tournament 2022 D3 Cluster Teams
		date 2022-05-28	rnd 4	type Standard	result 1	date 2022-05-28	rnd 4	type Standard	result 1
		Opponent Passos, L (Leandro)				Opponent Passos, L (Leandro)

#	Games	Start				End
1	4	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-26	rnd 2	type Standard	result 1	date 2022-08-26	rnd 5	type Standard	result 1
		Opponent Zondo, S (Sizwe)				Opponent Ngidi, B (Bradley)
2	2	Tournament 2022 D3 Cluster Teams				Tournament 2022 D3 Cluster Teams
		date 2022-05-28	rnd 1	type Standard	result 1	date 2022-05-28	rnd 2	type Standard	result 1
		Opponent Van Heerden, L (Lisa)				Opponent Ngati, O (Ofentse)
3	1	Tournament 2022 D3 Cluster Teams				Tournament 2022 D3 Cluster Teams
		date 2022-05-28	rnd 4	type Standard	result 1	date 2022-05-28	rnd 4	type Standard	result 1
		Opponent Passos, L (Leandro)				Opponent Passos, L (Leandro)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-26	rnd 2	type Standard	result 1	date 2022-08-26	rnd 5	type Standard	result 1
		Opponent Zondo, S (Sizwe)				Opponent Ngidi, B (Bradley)
2	2	Tournament 2022 D3 Cluster Teams				Tournament 2022 D3 Cluster Teams
		date 2022-05-28	rnd 1	type Standard	result 1	date 2022-05-28	rnd 2	type Standard	result 1
		Opponent Van Heerden, L (Lisa)				Opponent Ngati, O (Ofentse)
3	1	Tournament 2022 D3 Cluster Teams				Tournament 2022 D3 Cluster Teams
		date 2022-05-28	rnd 4	type Standard	result 1	date 2022-05-28	rnd 4	type Standard	result 1
		Opponent Passos, L (Leandro)				Opponent Passos, L (Leandro)

#	Games	Start				End
1	4	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-26	rnd 2	type Standard	result 1	date 2022-08-26	rnd 5	type Standard	result 1
		Opponent Zondo, S (Sizwe)				Opponent Ngidi, B (Bradley)
2	2	Tournament 2022 D3 Cluster Teams				Tournament 2022 D3 Cluster Teams
		date 2022-05-28	rnd 1	type Standard	result 1	date 2022-05-28	rnd 2	type Standard	result 1
		Opponent Van Heerden, L (Lisa)				Opponent Ngati, O (Ofentse)
3	1	Tournament 2022 D3 Cluster Teams				Tournament 2022 D3 Cluster Teams
		date 2022-05-28	rnd 4	type Standard	result 1	date 2022-05-28	rnd 4	type Standard	result 1
		Opponent Passos, L (Leandro)				Opponent Passos, L (Leandro)

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	Ngidi ,B (Bradley)	1	1	425	1	1	425	0	0	0	0	0	0
1	Ngidi ,B (Bradley)	1	1068.2	1493.2	1	1058.8	1493.2	0	0	0	0	0	0
2	Sekhuthe ,N (Nduduzi)	1	1	425	1	1	425	0	0	0	0	0	0
2	Sekhuthe ,N (Nduduzi)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Van Heerden ,L (Lisa)	1	1	425	1	1	425	0	0	0	0	0	0
3	Van Heerden ,L (Lisa)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Makoala ,T (Tebogo)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Makoala ,T (Tebogo)	1	1166.8	741.8	1	1160	741.8	0	0	0	0	0	0
5	Ngati ,O (Ofentse)	1	1	425	1	1	425	0	0	0	0	0	0
5	Ngati ,O (Ofentse)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Molefi ,K (Kagiso)	1	1	425	1	1	425	0	0	0	0	0	0
6	Molefi ,K (Kagiso)	1	1234.6	1659.6	1	1227.4	1659.6	0	0	0	0	0	0
7	Zondo ,S (Sizwe)	1	1	425	1	1	425	0	0	0	0	0	0
7	Zondo ,S (Sizwe)	1	1184.1	1609.1	1	1184.6	1609.1	0	0	0	0	0	0
8	Passos ,L (Leandro)	1	1	425	1	1	425	0	0	0	0	0	0
8	Passos ,L (Leandro)	1	1120	1545	1	1108.4	1545	0	0	0	0	0	0
9	Pieters ,D (Dominique)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Pieters ,D (Dominique)	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

Coetzee, A (Arno George)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms