Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzee, J (Jayden)

Chess SA id

1080193171

FIDE id

Date of birth

2008-12-08 (U18)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1322.5

Item	Main	Standard	Rapid	Blitz
Rating	1250.9	1265.1	1200	1200
Raw rating	1250.9	1265.1	1200	1200
Weighted rating	1196.6	1196.7	1200	1200
Weighted performance	1166.9	1168.1	0	0
Floor	750.9	765.1	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	154.2	151.1	165.8	165.8
Highest rating	1250.9 2025-05-05	1265.1 2025-05-05	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1250.9 2025-05-05	1265.1 2025-05-05	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1250.9 2024-02-01	1265.1 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted performance	1212.7 2025-05-05	1213 2024-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1250.9	1265.1	1200	1200
Analysis
Rating	1250.9	1265.1	1200	1200
Raw rating	1250.9	1265.1	1200	1200
Weighted rating	1196.6	1196.7	1200
Weighted performance	1166.9	1168.1	0
K-factor	36	36	36	36
Floor	750.9	765.1	700	700
Max/Min rating change allowed	154.2	151.1	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	1250.9	1265.1	1200	1200
New weighted rating	1202	1203.5	1200	1200
New weighted performance	1166.4	1167.7	0	0
Temp new rating	1250.9	1265.1	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1250.9	1265.1	1200	1200
New K-factor	36	36	36	36
New floor	750.9	765.1	700	700

Item	Main	Standard
	0	0
	23	23
	6	6
	0	0
	0	0
	0	0
History	29	29

Games since
	Main 29	Standard 29		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	23	11	47.83	-18.5	1312.4	1293.9
Standard	23	11	47.83	-18.5	1312.4	1293.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	29	12.5	43.1	-58.6	1280.2	1221.6
Standard	29	12.5	43.1	-58.6	1280.2	1221.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1250.9	1265.1	1200	1200
2025-09-01	1250.9	1265.1	1200	1200
2025-08-01	1250.9	1265.1	1200	1200
2025-07-01	1250.9	1265.1	1200	1200
2025-06-01	1250.9	1265.1	1200	1200
2025-05-01	1250.9	1265.1	1200	1200
2025-04-01	1191.2	1191.7	1200	1200
2025-03-01	1173.8	1169.5	1200	1200
2025-02-01	1157.5	1147	1200	1200
2025-01-01	1142.6	1128.4	1200	1200
2024-12-01	1142.6	1128.4	1200	1200
2024-11-01	1142.6	1128.4	1200	1200
2024-10-01	1142.6	1128.4	1200	1200
2024-09-01	1142.6	1128.4	1200	1200
2024-08-01	1142.6	1128.4	1200	1200
2024-07-01	1142.6	1128.4	1200	1200
2024-06-01	1142.6	1128.4	1200	1200
2024-08-01	1142.6	1128.4	1200	1200
2024-04-01	1142.6	1128.4	1200	1200
2024-03-01	1142.6	1128.4	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	Eden Chess Trials 2 2025 (U18)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	5	Yes	Analysis
2	Eden Schools Chess Trials 1 2025 (U17 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	2	Yes	Analysis
3	Oudussa Trials 2025 (U17)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	4	2	Yes	Analysis
4	Oudussa Trials 2 2025 (U17 Boys+Girls)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	4	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Eden Chess Trials 2 2025 (U18)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	5	Yes	Analysis
2	Eden Schools Chess Trials 1 2025 (U17 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	2	Yes	Analysis
3	Oudussa Trials 2025 (U17)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	4	2	Yes	Analysis
4	Oudussa Trials 2 2025 (U17 Boys+Girls)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	4	2	Yes	Analysis
5	OUDUSSA Trials 2 2024 (U18 Boys+Girls)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	1	0	Yes	Analysis
6	OUDUSSA Trials 1 2024 (U18 Boys)	2024-02-03	2024-02-03	Standard	Eden (WEG)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 1	type Standard	result 1	date 2025-03-15	rnd 3	type Standard	result 1
		Opponent Bruintjies, R (Ruchenae)				Opponent Kenzenie, K (Keisha)
2	3	Tournament OUDUSSA Trials 1 2024				Tournament OUDUSSA Trials 1 2024
		date 2024-02-03	rnd 3	type Standard	result 0.5	date 2024-02-03	rnd 5	type Standard	result 0.5
		Opponent Jansen, H (Heino)				Opponent Jacobs, X (Xyviar)
3	2	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Kasper, M (Maselino)				Opponent Daniels, C (Colsten)

#	Games	Start				End
1	3	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 1	type Standard	result 1	date 2025-03-15	rnd 3	type Standard	result 1
		Opponent Bruintjies, R (Ruchenae)				Opponent Kenzenie, K (Keisha)
2	3	Tournament OUDUSSA Trials 1 2024				Tournament OUDUSSA Trials 1 2024
		date 2024-02-03	rnd 3	type Standard	result 0.5	date 2024-02-03	rnd 5	type Standard	result 0.5
		Opponent Jansen, H (Heino)				Opponent Jacobs, X (Xyviar)
3	2	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Kasper, M (Maselino)				Opponent Daniels, C (Colsten)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 1	type Standard	result 1	date 2025-03-15	rnd 3	type Standard	result 1
		Opponent Bruintjies, R (Ruchenae)				Opponent Kenzenie, K (Keisha)
2	2	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Kasper, M (Maselino)				Opponent Daniels, C (Colsten)
3	2	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2025
		date 2025-02-01	rnd 5	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Mtanda, L (Lucian)				Opponent Rhenier, R (Roshandre)

#	Games	Start				End
1	3	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 1	type Standard	result 1	date 2025-03-15	rnd 3	type Standard	result 1
		Opponent Bruintjies, R (Ruchenae)				Opponent Kenzenie, K (Keisha)
2	2	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Kasper, M (Maselino)				Opponent Daniels, C (Colsten)
3	2	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2025
		date 2025-02-01	rnd 5	type Standard	result 1	date 2025-03-01	rnd 2	type Standard	result 1
		Opponent Mtanda, L (Lucian)				Opponent Rhenier, R (Roshandre)

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	Mtanda ,L (Lucian)	1	1	425	1	1	425	0	0	0	0	0	0
1	Mtanda ,L (Lucian)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	May ,M (Mehago)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	May ,M (Mehago)	1	1466.3	1041.3	1	1488.6	1041.3	0	0	0	0	0	0
3	Bruintjies ,R (Ruchenae)	1	1	425	1	1	425	0	0	0	0	0	0
3	Bruintjies ,R (Ruchenae)	1	1274.4	1699.4	1	1270.8	1699.4	0	0	0	0	0	0
4	Jacobs ,X (Xyviar)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Jacobs ,X (Xyviar)	1	1150.5	1150.5	1	1146	1150.5	0	0	0	0	0	0
5	Daniels ,C (Colsten)	1	1	425	1	1	425	0	0	0	0	0	0
5	Daniels ,C (Colsten)	1	1253.8	1678.8	1	1260.7	1678.8	0	0	0	0	0	0
6	Swartz ,T (Tayrese)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Swartz ,T (Tayrese)	1	1263.2	838.2	1	1269.5	838.2	0	0	0	0	0	0
7	Ribeiro ,E (Enrique)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Ribeiro ,E (Enrique)	1	1218.4	793.4	1	1222	793.4	0	0	0	0	0	0
8	Lingerveldt ,S (Sunelda)	1	1	425	1	1	425	0	0	0	0	0	0
8	Lingerveldt ,S (Sunelda)	1	1134.9	1559.9	1	1128.2	1559.9	0	0	0	0	0	0
9	Adams ,L (Lincoln)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Adams ,L (Lincoln)	1	1341.2	916.2	1	1337.2	916.2	0	0	0	0	0	0
10	Jansen ,H (Heino)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Jansen ,H (Heino)	1	1256.5	1256.5	1	1241.6	1256.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Coetzee, J (Jayden)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms