Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzee, J (Janelle)

Chess SA id

1080112341

FIDE id

Date of birth

2008-10-17 (U18)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-02-21

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1141.4	1142.4	1170.4	1200
Raw rating	1141.4	1142.4	1170.4	1200
Weighted rating	1141.4	1142.4	1170.4	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	180.3	180	173	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1141.4	1142.4	1170.4	1200
Analysis
Rating	1141.4	1142.4	1170.4	1200
Raw rating	1141.4	1142.4	1170.4	1200
Weighted rating	1141.4	1142.4	1170.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	180.3	180	173	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	1141.4	1142.4	1170.4	1200
New weighted rating	1141.4	1142.4	1170.4	1200
New weighted performance	0	0	0	0
Temp new rating	1141.4	1142.4	1170.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1141.4	1142.4	1170.4	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	9	4	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Tshwane (GTP)
Province	Gauteng (GT)
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	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	3	33.33	-141.7	1139.8	998.2
Standard	4	1	25	-212.5	1112.4	899.9
Rapid	5	2	40	-85	1161.8	1076.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1141.4	1142.4	1170.4	1200
2025-09-30	1141.4	1142.4	1170.4	1200
2025-09-01	1141.4	1142.4	1170.4	1200
2025-08-01	1141.4	1142.4	1170.4	1200
2025-07-01	1141.4	1142.4	1170.4	1200
2025-06-01	1141.4	1142.4	1170.4	1200
2025-05-01	1141.4	1142.4	1170.4	1200
2025-04-01	1141.4	1142.4	1170.4	1200
2025-03-01	1141.4	1142.4	1170.4	1200
2025-02-01	1141.4	1142.4	1170.4	1200
2025-01-01	1141.4	1142.4	1170.4	1200
2024-12-01	1141.4	1142.4	1170.4	1200
2024-11-01	1141.4	1142.4	1170.4	1200
2024-10-01	1141.4	1142.4	1170.4	1200
2024-09-01	1141.4	1142.4	1170.4	1200
2024-08-01	1141.4	1142.4	1170.4	1200
2024-07-01	1141.4	1142.4	1170.4	1200
2024-09-01	1141.4	1142.4	1170.4	1200
2024-05-01	1141.4	1142.4	1170.4	1200
2024-04-01	1141.4	1142.4	1170.4	1200
2024-03-01	1141.4	1142.4	1170.4	1200
2024-02-01	1141.4	1142.4	1170.4	1200
2024-01-01	1141.4	1142.4	1170.4	1200
2023-12-01	1141.4	1142.4	1170.4	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	Swartkop LS Proewe 2020 (U13)	2020-02-21	2020-02-21	Rapid	Tshwane (GTP)	5	5	2	Yes	Analysis
2	2019 Swartkop Laerskool Juniors Proewe (Seniors)	2019-03-08	2019-03-08	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Swartkop LS Proewe 2020				Tournament Swartkop LS Proewe 2020
		date 2020-02-21	rnd 2	type Rapid	result 1	date 2020-02-21	rnd 3	type Rapid	result 1
		Opponent De Beer, J (Jessilka)				Opponent Van Niekerk, M (Madison)
2	1	Tournament 2019 Swartkop Laerskool Juniors Proewe				Tournament 2019 Swartkop Laerskool Juniors Proewe
		date 2019-03-08	rnd 3	type Standard	result 1	date 2019-03-08	rnd 3	type Standard	result 1
		Opponent Van Wyngaard, E (Elzaan)				Opponent Van Wyngaard, E (Elzaan)

#	Games	Start				End
1	1	Tournament 2019 Swartkop Laerskool Juniors Proewe				Tournament 2019 Swartkop Laerskool Juniors Proewe
		date 2019-03-08	rnd 3	type Standard	result 1	date 2019-03-08	rnd 3	type Standard	result 1
		Opponent Van Wyngaard, E (Elzaan)				Opponent Van Wyngaard, E (Elzaan)

#	Games	Start				End
1	2	Tournament Swartkop LS Proewe 2020				Tournament Swartkop LS Proewe 2020
		date 2020-02-21	rnd 2	type Rapid	result 1	date 2020-02-21	rnd 3	type Rapid	result 1
		Opponent De Beer, J (Jessilka)				Opponent Van Niekerk, M (Madison)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Swartkop LS Proewe 2020				Tournament Swartkop LS Proewe 2020
		date 2020-02-21	rnd 2	type Rapid	result 1	date 2020-02-21	rnd 3	type Rapid	result 1
		Opponent De Beer, J (Jessilka)				Opponent Van Niekerk, M (Madison)
2	1	Tournament 2019 Swartkop Laerskool Juniors Proewe				Tournament 2019 Swartkop Laerskool Juniors Proewe
		date 2019-03-08	rnd 3	type Standard	result 1	date 2019-03-08	rnd 3	type Standard	result 1
		Opponent Van Wyngaard, E (Elzaan)				Opponent Van Wyngaard, E (Elzaan)

#	Games	Start				End
1	1	Tournament 2019 Swartkop Laerskool Juniors Proewe				Tournament 2019 Swartkop Laerskool Juniors Proewe
		date 2019-03-08	rnd 3	type Standard	result 1	date 2019-03-08	rnd 3	type Standard	result 1
		Opponent Van Wyngaard, E (Elzaan)				Opponent Van Wyngaard, E (Elzaan)

#	Games	Start				End
1	2	Tournament Swartkop LS Proewe 2020				Tournament Swartkop LS Proewe 2020
		date 2020-02-21	rnd 2	type Rapid	result 1	date 2020-02-21	rnd 3	type Rapid	result 1
		Opponent De Beer, J (Jessilka)				Opponent Van Niekerk, M (Madison)

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	Elliott ,C (Cayden)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Elliott ,C (Cayden)	2	1078.1	653.1	1	955.1	653.1	1	1027.4	653.1	0	0	0
2	Van Wyngaard ,E (Elzaan)	1	1	425	1	1	425	0	0	0	0	0	0
2	Van Wyngaard ,E (Elzaan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Ricu ,M (Myburg)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Ricu ,M (Myburg)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Neethling ,T (Tristan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Neethling ,T (Tristan)	1	1080.1	655.1	1	1067.6	655.1	0	0	0	0	0	0
5	Liebenberg ,K (Karli)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Liebenberg ,K (Karli)	1	1143.9	718.9	0	0	0	1	1200	718.9	0	0	0
6	Van Niekerk ,M (Madison)	1	1	425	0	0	0	1	1	425	0	0	0
6	Van Niekerk ,M (Madison)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
7	De Beer ,K (Kieron)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	De Beer ,K (Kieron)	1	1078.1	653.1	0	0	0	1	1200	653.1	0	0	0
8	De Beer ,J (Jessilka)	1	1	425	0	0	0	1	1	425	0	0	0
8	De Beer ,J (Jessilka)	1	1200	1625	0	0	0	1	1200	1625	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, J (Janelle)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms