Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzee, R (Ryan)

Chess SA id

1120324192

FIDE id

Date of birth

2012-03-19 (U14)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1226.3	1200	1244.9	1200
Raw rating	1226.3	1200	1244.9	1200
Weighted rating	1206	1200	1210.3	1200
Weighted performance	0	0	0	0
Floor	726.3	700	744.9	700
K-factor	36	40	36	40
Min/Max rating change allowed	159.7	165.8	155.5	165.8
Highest rating	1226.3 2025-09-01	1199.9 2025-08-05	1244.9 2025-09-01	1199.9 2025-08-05
Highest raw rating	1226.3 2025-09-01	1199.9 2025-08-05	1244.9 2025-09-01	1199.9 2025-08-05
Highest weighted rating	1202.1 2025-09-01	1199.9 2025-08-05	1203.6 2025-09-01	1199.9 2025-08-05
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1226.3	1200	1244.9	1200
Analysis
Rating	1226.3	1200	1244.9	1200
Raw rating	1226.3	1200	1244.9	1200
Weighted rating	1206	1200	1210.3
Weighted performance	0	0	0
K-factor	36	40	36	40
Floor	726.3	700	744.9	700
Max/Min rating change allowed	159.7	165.8	155.5	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	1226.3	1200	1244.9	1200
New weighted rating	1207.9	1200	1213.5	1200
New weighted performance	0	0	0	0
Temp new rating	1226.3	1200	1244.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1226.3	1200	1244.9	1200
New K-factor	36	36	36	36
New floor	726.3	700	744.9	700

Item	Main	Rapid
	0	0
	4	4
	0	0
	0	0
	0	0
	0	0
History	4	4

Games since
	Main 4	Standard 0		Rapid 4		Blitz 0
Gender	Male
Age group	U14
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	4	3	75	212.5	1218.6	1431.1
Standard	0	0	0	0	0	0
Rapid	4	3	75	212.5	1218.6	1431.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	4	3	75	212.5	1218.6	1431.1
Standard	0	0	0	0	0	0
Rapid	4	3	75	212.5	1218.6	1431.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1226.3	1200	1244.9	1200
2025-09-30	1226.3	1200	1244.9	1200
2025-09-01	1226.3	1200	1244.9	1200
2025-08-01	1200	1200	1200	1200
2025-07-01	1200	1200	1200	1200
2025-06-01	1200	1200	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	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	Benoni Primary School Cluster Teams 2025 (U13B)	2025-08-02	2025-08-02	Rapid	Ekurhuleni (GE)	5	4	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Benoni Primary School Cluster Teams 2025 (U13B)	2025-08-02	2025-08-02	Rapid	Ekurhuleni (GE)	5	4	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 4	type Rapid	result 1	date 2025-08-02	rnd 5	type Rapid	result 1
		Opponent De Agrella, D (Damien)				Opponent Maqina, I (Iminami)
2	1	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 2	type Rapid	result 1	date 2025-08-02	rnd 2	type Rapid	result 1
		Opponent Botha, Z (Zanroux)				Opponent Botha, Z (Zanroux)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 4	type Rapid	result 1	date 2025-08-02	rnd 5	type Rapid	result 1
		Opponent De Agrella, D (Damien)				Opponent Maqina, I (Iminami)
2	1	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 2	type Rapid	result 1	date 2025-08-02	rnd 2	type Rapid	result 1
		Opponent Botha, Z (Zanroux)				Opponent Botha, Z (Zanroux)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 4	type Rapid	result 1	date 2025-08-02	rnd 5	type Rapid	result 1
		Opponent De Agrella, D (Damien)				Opponent Maqina, I (Iminami)
2	1	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 2	type Rapid	result 1	date 2025-08-02	rnd 2	type Rapid	result 1
		Opponent Botha, Z (Zanroux)				Opponent Botha, Z (Zanroux)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 4	type Rapid	result 1	date 2025-08-02	rnd 5	type Rapid	result 1
		Opponent De Agrella, D (Damien)				Opponent Maqina, I (Iminami)
2	1	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 2	type Rapid	result 1	date 2025-08-02	rnd 2	type Rapid	result 1
		Opponent Botha, Z (Zanroux)				Opponent Botha, Z (Zanroux)

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	De Agrella ,D (Damien)	1	1	425	0	0	0	1	1	425	0	0	0
1	De Agrella ,D (Damien)	1	1199.6	1624.6	0	0	0	1	1200	1624.6	0	0	0
2	Herbst ,W (Wihan)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Herbst ,W (Wihan)	1	1200.7	775.7	0	0	0	1	1200	775.7	0	0	0
3	Maqina ,I (Iminami)	1	1	425	0	0	0	1	1	425	0	0	0
3	Maqina ,I (Iminami)	1	1199.6	1624.6	0	0	0	1	1200	1624.6	0	0	0
4	Botha ,Z (Zanroux)	1	1	425	0	0	0	1	1	425	0	0	0
4	Botha ,Z (Zanroux)	1	1274.6	1699.6	0	0	0	1	1305.3	1699.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

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PLAYER PAGE

Personal

Coetzee, R (Ryan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms