Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzee, C (Catryn)

Chess SA id

2100306721

FIDE id

Date of birth

2010-05-14 (U16)

Gender

Female

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

11.9

Junior GPX Points

1044.3

Item	Main	Standard	Rapid	Blitz
Rating	1197.4	1208.9	1183.9	1200
Raw rating	1197.4	1208.9	1183.9	1200
Weighted rating	1188.3	1201.1	1181.4	1200
Weighted performance	0	0	0	0
Floor	712.7	728.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	166.4	163.7	169.7	165.8
Highest rating	1212.7 2025-08-01	1228.6 2025-08-01	1200 2024-07-01	1200 2024-07-01
Highest raw rating	1212.7 2025-08-01	1228.6 2025-08-01	1200 2024-07-01	1200 2024-07-01
Highest weighted rating	1200 2024-07-01	1200.3 2025-09-01	1200 2024-07-01	1200 2024-07-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-07-01	1200 2024-07-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1197.4	1208.9	1183.9	1200
Analysis
Rating	1197.4	1208.9	1183.9	1200
Raw rating	1197.4	1208.9	1183.9	1200
Weighted rating	1188.3	1201.1	1181.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	712.7	728.6	700	700
Max/Min rating change allowed	166.4	163.7	169.7	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	1197.4	1208.9	1183.9	1200
New weighted rating	1188.9	1201.8	1181.2	1200
New weighted performance	0	0	0	0
Temp new rating	1197.4	1208.9	1183.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1197.4	1208.9	1183.9	1200
New K-factor	36	36	36	36
New floor	712.7	728.6	700	700

Item	Main	Standard	Rapid
	0	0	0
	9	9	0
	7	2	5
	0	0	0
	0	0	0
	0	0	0
History	16	11	5

Games since
	Main 16	Standard 11		Rapid 5		Blitz 0
Gender	Female
Age group	U16
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-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	9	4	44.44	-47.2	1198.2	1151
Standard	9	4	44.44	-47.2	1198.2	1151
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	16	6	37.5	-106.2	1185.8	1079.6
Standard	11	5	45.45	-38.6	1190.3	1151.7
Rapid	5	1	20	-255	1175.9	920.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1197.4	1208.9	1183.9	1200
2025-09-01	1197.4	1208.9	1183.9	1200
2025-08-01	1212.7	1228.6	1183.9	1200
2025-07-01	1185.3	1196.9	1183.9	1200
2025-06-01	1184	1194.7	1183.9	1200
2025-05-01	1187.1	1197.6	1183.9	1200
2025-04-01	1187.1	1197.6	1183.9	1200
2025-03-01	1187.1	1197.6	1183.9	1200
2025-02-01	1185.2	1197.5	1181.2	1200
2025-01-01	1152.6	1194.8	1137.2	1200
2024-12-01	1152.6	1194.8	1137.2	1200
2024-11-01	1152.6	1194.8	1137.2	1200
2024-10-01	1196.7	1194.8	1200	1200
2024-09-01	1196.7	1194.8	1200	1200
2024-08-01	1196.7	1194.8	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	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
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	2025 Tshwane North District CLOSED Team Championships (D3) (U19 Girls)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	3	2	0.5	Yes	Analysis
2	2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U19 Girls)	2025-07-26	2025-07-26	Standard	Tshwane (GTP)	3	2	2	Yes	Analysis
3	2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U15 Girls)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Tshwane North District CLOSED Team Championships (D3) (U19 Girls)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	3	2	0.5	Yes	Analysis
2	2025 Tshwane North School District Cluster 4 & 5 Team League (D3) (U19 Girls)	2025-07-26	2025-07-26	Standard	Tshwane (GTP)	3	2	2	Yes	Analysis
3	2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5 (U15 Girls)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
4	Gauteng Top Schools 2024 (U19 Girls)	2024-10-05	2024-10-05	Rapid	Ekurhuleni (GE)	5	5	1	Yes	Analysis
5	2024 Tshwane North School District Cluster 4 & 5 Team League (U19 Girls)	2024-07-20	2024-07-20	Standard	Tshwane (GTP)	2	2	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5				Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)
		date 2025-05-10	rnd 5	type Standard	result 0.5	date 2025-07-26	rnd 3	type Standard	result 1
		Opponent Maseko, N (Ntsika)				Opponent Scheepers, B (Bianca)
2	2	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 1	type Rapid	result 0.5	date 2024-10-05	rnd 2	type Rapid	result 0.5
		Opponent Ndlovu, K (Khanyisile)				Opponent Head, A (Allison)
3	1	Tournament 2025 Tshwane North District CLOSED Team Championships (D3)				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-08-16	rnd 3	type Standard	result 0.5	date 2025-08-16	rnd 3	type Standard	result 0.5
		Opponent Boshomane, K (Khumo)				Opponent Boshomane, K (Khumo)

#	Games	Start				End
1	3	Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5				Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)
		date 2025-05-10	rnd 5	type Standard	result 0.5	date 2025-07-26	rnd 3	type Standard	result 1
		Opponent Maseko, N (Ntsika)				Opponent Scheepers, B (Bianca)
2	1	Tournament 2025 Tshwane North District CLOSED Team Championships (D3)				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-08-16	rnd 3	type Standard	result 0.5	date 2025-08-16	rnd 3	type Standard	result 0.5
		Opponent Boshomane, K (Khumo)				Opponent Boshomane, K (Khumo)
3	1	Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5				Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Nqxe, M (Michelle)				Opponent Nqxe, M (Michelle)

#	Games	Start				End
1	2	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 1	type Rapid	result 0.5	date 2024-10-05	rnd 2	type Rapid	result 0.5
		Opponent Ndlovu, K (Khanyisile)				Opponent Head, A (Allison)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)				Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)
		date 2025-07-26	rnd 1	type Standard	result 1	date 2025-07-26	rnd 3	type Standard	result 1
		Opponent De Lange, Z (Zo�)				Opponent Scheepers, B (Bianca)
2	1	Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5				Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Nqxe, M (Michelle)				Opponent Nqxe, M (Michelle)
3	1	Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League				Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League
		date 2024-07-20	rnd 1	type Standard	result 1	date 2024-07-20	rnd 1	type Standard	result 1
		Opponent Skhosana, M (Mandisa)				Opponent Skhosana, M (Mandisa)

#	Games	Start				End
1	2	Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)				Tournament 2025 Tshwane North School District Cluster 4 & 5 Team League (D3)
		date 2025-07-26	rnd 1	type Standard	result 1	date 2025-07-26	rnd 3	type Standard	result 1
		Opponent De Lange, Z (Zo�)				Opponent Scheepers, B (Bianca)
2	1	Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5				Tournament 2025 Tshwane North School District CLOSED Individual Championships Cluster 4&5
		date 2025-05-10	rnd 3	type Standard	result 1	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Nqxe, M (Michelle)				Opponent Nqxe, M (Michelle)
3	1	Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League				Tournament 2024 Tshwane North School District Cluster 4 & 5 Team League
		date 2024-07-20	rnd 1	type Standard	result 1	date 2024-07-20	rnd 1	type Standard	result 1
		Opponent Skhosana, M (Mandisa)				Opponent Skhosana, M (Mandisa)

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	Skhosana ,M (Mandisa)	2	1	0	2	1	0	0	0	0	0	0	0
1	Skhosana ,M (Mandisa)	2	1154.9	1154.9	2	1145.3	1154.9	0	0	0	0	0	0
2	Maseko ,N (Ntsika)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Maseko ,N (Ntsika)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
3	Nqxe ,M (Michelle)	1	1	425	1	1	425	0	0	0	0	0	0
3	Nqxe ,M (Michelle)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Dabula ,S (Sibulelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Dabula ,S (Sibulelo)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Scheepers ,B (Bianca)	1	1	425	1	1	425	0	0	0	0	0	0
5	Scheepers ,B (Bianca)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Mon ,A (Alexia)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Mon ,A (Alexia)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Ndevu ,W (Warona)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Ndevu ,W (Warona)	1	1213.7	788.7	1	1216.5	788.7	0	0	0	0	0	0
8	De Lange ,Z (Zo�)	1	1	425	1	1	425	0	0	0	0	0	0
8	De Lange ,Z (Zo�)	1	1170.6	1595.6	1	1164.5	1595.6	0	0	0	0	0	0
9	Boshomane ,K (Khumo)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Boshomane ,K (Khumo)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
10	Van Schalkwyk ,K (Kaylin)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Schalkwyk ,K (Kaylin)	1	1199.3	774.3	1	1199.1	774.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Coetzee, C (Catryn)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms