Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzee, J (Juane)

Chess SA id

2100131210

FIDE id

Date of birth

2010-07-28 (U16)

Gender

Female

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-04-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1140.5	1082.4	1220.8	1200
Raw rating	1140.5	1082.4	1220.8	1200
Weighted rating	1140.5	1082.4	1220.8	1200
Weighted performance	728.8	617	0	0
Floor	700	700	720.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	180.5	196.1	161	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1278.7 2022-05-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1220.8 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1220.8 2024-05-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1278.7 2022-05-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1140.5	1082.4	1220.8	1200
Analysis
Rating	1140.5	1082.4	1220.8	1200
Raw rating	1140.5	1082.4	1220.8	1200
Weighted rating	1140.5	1082.4	1220.8
Weighted performance	728.8	617	0
K-factor	36	36	36	36
Floor	700	700	720.8	700
Max/Min rating change allowed	180.5	196.1	161	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	1140.5	1082.4	1220.8	1200
New weighted rating	1140.5	1082.4	1220.8	1200
New weighted performance	728.4	616.6	0	0
Temp new rating	1140.5	1082.4	1220.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1140.5	1082.4	1220.8	1200
New K-factor	36	36	36	36
New floor	700	700	720.8	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	5	5	0
	17	4	13
	14	14	0
History	40	27	13

Games since
	Main 0	Standard 0		Rapid 0		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	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	40	14	35	-127.5	1191.6	1064.1
Standard	27	7	25.93	-204.6	1197.2	992.6
Rapid	13	7	53.85	32.7	1179.9	1212.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1140.5	1082.4	1220.8	1200
2025-09-01	1140.5	1082.4	1220.8	1200
2025-08-01	1140.5	1082.4	1220.8	1200
2025-07-01	1140.5	1082.4	1220.8	1200
2025-06-01	1140.5	1082.4	1220.8	1200
2025-05-01	1140.5	1082.4	1220.8	1200
2025-04-01	1140.5	1082.4	1220.8	1200
2025-03-01	1140.5	1082.4	1220.8	1200
2025-02-01	1140.5	1082.4	1220.8	1200
2025-01-01	1140.5	1082.4	1220.8	1200
2024-12-01	1140.5	1082.4	1220.8	1200
2024-11-01	1140.5	1082.4	1220.8	1200
2024-10-01	1140.5	1082.4	1220.8	1200
2024-09-01	1140.5	1082.4	1220.8	1200
2024-08-01	1140.5	1082.4	1220.8	1200
2024-07-01	1140.5	1082.4	1220.8	1200
2024-06-01	1140.5	1082.4	1220.8	1200
2024-08-01	1140.5	1082.4	1220.8	1200
2024-04-01	1140.5	1082.4	1220.8	1200
2024-03-01	1140.5	1082.4	1220.8	1200
2024-02-01	1140.5	1082.4	1220.8	1200
2024-01-01	1140.5	1082.4	1220.8	1200
2023-12-01	1140.5	1082.4	1220.8	1200
2023-11-01	1140.5	1082.4	1220.8	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	2023 Tshwane South School District CLOSED Individual Championships (U13 Girls)	2023-04-22	2023-04-22	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	RMS Swiss For Rating of Players 2022 (U13)	2022-05-28	2022-05-28	Rapid	Ekurhuleni (GE)	7	6	4	Yes	Analysis
3	D4 Individuals 2022 (U13 Girls)	2022-04-23	2022-04-23	Rapid	Tshwane (GTP)	7	7	3	Yes	Analysis
4	2022 Gauteng Interregion (U12 Girls)	2022-02-26	2022-02-26	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
5	2021 Etienne Lewis Closed Trials (U12 Girls)	2021-09-24	2021-09-26	Standard	Nelson Mandela Bay (ENM)	7	6	1	Yes	Analysis
6	2021 Gauteng North Open Tournament (D)	2021-08-28	2021-08-29	Standard	Tshwane (GTP)	5	3	0.5	Yes	Analysis
7	2021 Chris Greyling Open Tournament (D)	2021-05-08	2021-05-08	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
8	2020 Blou Bul (D)	2020-02-15	2020-02-15	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis

#	Games	Start				End
1	2	Tournament 2023 Tshwane South School District CLOSED Individual Championships				Tournament 2023 Tshwane South School District CLOSED Individual Championships
		date 2023-04-22	rnd 2	type Standard	result 1	date 2023-04-22	rnd 3	type Standard	result 1
		Opponent Potgieter, K (Karlien)				Opponent Fourie, J (Jessica)
2	2	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 6	type Rapid	result 1	date 2022-05-28	rnd 7	type Rapid	result 1
		Opponent Bester, C (Conner)				Opponent Panaino, Z (Zhanelle)
3	2	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 1	type Rapid	result 1	date 2022-05-28	rnd 2	type Rapid	result 1
		Opponent Manikum, J (Jayden)				Opponent De Villiers, R (Ryan)

#	Games	Start				End
1	2	Tournament 2023 Tshwane South School District CLOSED Individual Championships				Tournament 2023 Tshwane South School District CLOSED Individual Championships
		date 2023-04-22	rnd 2	type Standard	result 1	date 2023-04-22	rnd 3	type Standard	result 1
		Opponent Potgieter, K (Karlien)				Opponent Fourie, J (Jessica)
2	1	Tournament 2023 Tshwane South School District CLOSED Individual Championships				Tournament 2023 Tshwane South School District CLOSED Individual Championships
		date 2023-04-22	rnd 5	type Standard	result 1	date 2023-04-22	rnd 5	type Standard	result 1
		Opponent Karsten, CB (Chay Belle)				Opponent Karsten, CB (Chay Belle)
3	1	Tournament 2022 Gauteng Interregion				Tournament 2022 Gauteng Interregion
		date 2022-02-26	rnd 3	type Standard	result 1	date 2022-02-26	rnd 3	type Standard	result 1
		Opponent Bothma, J (Jaculene)				Opponent Bothma, J (Jaculene)

#	Games	Start				End
1	2	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 6	type Rapid	result 1	date 2022-05-28	rnd 7	type Rapid	result 1
		Opponent Bester, C (Conner)				Opponent Panaino, Z (Zhanelle)
2	2	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 1	type Rapid	result 1	date 2022-05-28	rnd 2	type Rapid	result 1
		Opponent Manikum, J (Jayden)				Opponent De Villiers, R (Ryan)
3	2	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 2	type Rapid	result 1	date 2022-04-23	rnd 3	type Rapid	result 1
		Opponent Sutherland, Y (Yunay)				Opponent Viljoen, A (Aiko)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2023 Tshwane South School District CLOSED Individual Championships				Tournament 2023 Tshwane South School District CLOSED Individual Championships
		date 2023-04-22	rnd 2	type Standard	result 1	date 2023-04-22	rnd 3	type Standard	result 1
		Opponent Potgieter, K (Karlien)				Opponent Fourie, J (Jessica)
2	2	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 6	type Rapid	result 1	date 2022-05-28	rnd 7	type Rapid	result 1
		Opponent Bester, C (Conner)				Opponent Panaino, Z (Zhanelle)
3	2	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 1	type Rapid	result 1	date 2022-05-28	rnd 2	type Rapid	result 1
		Opponent Manikum, J (Jayden)				Opponent De Villiers, R (Ryan)

#	Games	Start				End
1	2	Tournament 2023 Tshwane South School District CLOSED Individual Championships				Tournament 2023 Tshwane South School District CLOSED Individual Championships
		date 2023-04-22	rnd 2	type Standard	result 1	date 2023-04-22	rnd 3	type Standard	result 1
		Opponent Potgieter, K (Karlien)				Opponent Fourie, J (Jessica)
2	1	Tournament 2023 Tshwane South School District CLOSED Individual Championships				Tournament 2023 Tshwane South School District CLOSED Individual Championships
		date 2023-04-22	rnd 5	type Standard	result 1	date 2023-04-22	rnd 5	type Standard	result 1
		Opponent Karsten, CB (Chay Belle)				Opponent Karsten, CB (Chay Belle)
3	1	Tournament 2022 Gauteng Interregion				Tournament 2022 Gauteng Interregion
		date 2022-02-26	rnd 3	type Standard	result 1	date 2022-02-26	rnd 3	type Standard	result 1
		Opponent Bothma, J (Jaculene)				Opponent Bothma, J (Jaculene)

#	Games	Start				End
1	2	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 6	type Rapid	result 1	date 2022-05-28	rnd 7	type Rapid	result 1
		Opponent Bester, C (Conner)				Opponent Panaino, Z (Zhanelle)
2	2	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 1	type Rapid	result 1	date 2022-05-28	rnd 2	type Rapid	result 1
		Opponent Manikum, J (Jayden)				Opponent De Villiers, R (Ryan)
3	2	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 2	type Rapid	result 1	date 2022-04-23	rnd 3	type Rapid	result 1
		Opponent Sutherland, Y (Yunay)				Opponent Viljoen, A (Aiko)

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	Veldman ,C (Chantane)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Veldman ,C (Chantane)	2	1160	735	2	1122.5	735	0	0	0	0	0	0
2	Pillay ,K (Ketana)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Pillay ,K (Ketana)	2	1257.1	832.1	2	1231.7	832.1	0	0	0	0	0	0
3	Bothma ,J (Jaculene)	2	1	0	1	1	425	1	0	-425	0	0	0
3	Bothma ,J (Jaculene)	2	1165.8	1165.8	1	1172.2	1590.8	1	1200	740.8	0	0	0
4	Karsten ,CB (Chay Belle)	2	1	0	1	1	425	1	0	-425	0	0	0
4	Karsten ,CB (Chay Belle)	2	1164.4	1164.4	1	1203.6	1589.4	1	1200	739.4	0	0	0
5	Fourie ,J (Jessica)	1	1	425	1	1	425	0	0	0	0	0	0
5	Fourie ,J (Jessica)	1	1217.9	1642.9	1	1220.4	1642.9	0	0	0	0	0	0
6	Byliefeldt ,M (Mienke)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Byliefeldt ,M (Mienke)	1	1228.4	1228.4	1	1217	1228.4	0	0	0	0	0	0
7	De Jager ,J (Jandre)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	De Jager ,J (Jandre)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
8	De Vasconcelos ,T (Tiaana)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	De Vasconcelos ,T (Tiaana)	1	1327.4	902.4	1	1314.1	902.4	0	0	0	0	0	0
9	Swanepoel ,D (Daniel)	1	1	425	1	1	425	0	0	0	0	0	0
9	Swanepoel ,D (Daniel)	1	1165.1	1590.1	1	1156.4	1590.1	0	0	0	0	0	0
10	Jacobs ,I (Inge)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Jacobs ,I (Inge)	1	1121.4	696.4	1	1091.7	696.4	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, J (Juane)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms