Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzer, L (Logan)

Chess SA id

1140149225

FIDE id

Date of birth

2014-02-18 (U12)

Gender

Male

Region

West Rand (GWR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-01-14

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1212	1215.5	1200	1200
Raw rating	1212	1215.5	1200	1200
Weighted rating	1208.3	1211.4	1200	1200
Weighted performance	0	0	0	0
Floor	769.2	782.3	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	163	162.2	165.8	165.8
Highest rating	1442.5 2023-07-01	1442.3 2023-07-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1269.2 2023-08-01	1282.3 2023-08-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1269.2 2024-01-01	1282.3 2024-01-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1442.5 2023-07-01	1442.3 2023-07-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1212	1215.5	1200	1200
Analysis
Rating	1212	1215.5	1200	1200
Raw rating	1212	1215.5	1200	1200
Weighted rating	1208.3	1211.4	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	769.2	782.3	700	700
Max/Min rating change allowed	163	162.2	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	1212	1215.5	1200	1200
New weighted rating	1208.3	1211.4	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1212	1215.5	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1212	1215.5	1200	1200
New K-factor	36	36	36	36
New floor	769.2	782.3	700	700

Item	Main	Standard
	0	0
	0	0
	4	4
	18	18
	0	0
	0	0
History	22	22

Games since
	Main 4	Standard 4		Rapid 0		Blitz 0
Gender	Male
Age group	U12
Region	West Rand (GWR)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	22	11.5	52.27	19.3	1224.8	1244.1
Standard	22	11.5	52.27	19.3	1224.8	1244.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1212	1215.5	1200	1200
2025-09-01	1212	1215.5	1200	1200
2025-08-01	1212	1215.5	1200	1200
2025-07-01	1212	1215.5	1200	1200
2025-06-01	1212	1215.5	1200	1200
2025-05-01	1212	1215.5	1200	1200
2025-04-01	1212	1215.5	1200	1200
2025-03-01	1212	1215.5	1200	1200
2025-02-01	1211.9	1215.3	1200	1200
2025-01-01	1199.8	1202	1200	1200
2024-12-01	1199.8	1202	1200	1200
2024-11-01	1199.8	1202	1200	1200
2024-10-01	1199.8	1202	1200	1200
2024-09-01	1199.8	1202	1200	1200
2024-08-01	1199.8	1202	1200	1200
2024-07-01	1199.8	1202	1200	1200
2024-06-01	1199.8	1202	1200	1200
2024-08-01	1199.8	1202	1200	1200
2024-04-01	1199.8	1202	1200	1200
2024-03-01	1199.8	1202	1200	1200
2024-02-01	1199.8	1202	1200	1200
2024-01-01	1258.7	1266.8	1200	1200
2023-12-01	1258.7	1266.8	1200	1200
2023-11-01	1258.7	1266.8	1200	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	2024 Gauteng Inter-Region Chess Championship (U10B)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
2	2023 Gauteng Top Schools (U9 Mixed)	2023-08-18	2023-08-18	Standard	West Rand (GWR)	5	5	2.5	Yes	Analysis
3	D2 School League Finals 2023 (U9)	2023-07-22	2023-07-22	Standard	West Rand (GWR)	7	3	3	Yes	Analysis
4	D2 Schools Individuals 2023 (U9 Boys+Girls)	2023-05-13	2023-05-13	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
5	2023 West Rand Open (U10)	2023-02-04	2023-02-04	Standard	West Rand (GWR)	5	5	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2023 West Rand Open				Tournament D2 Schools Individuals 2023
		date 2023-02-04	rnd 3	type Standard	result 1	date 2023-05-13	rnd 2	type Standard	result 1
		Opponent De Koker, R (Rigardt)				Opponent Mokolare, T (Thato)
2	4	Tournament D2 School League Finals 2023				Tournament 2023 Gauteng Top Schools
		date 2023-07-22	rnd 1	type Standard	result 1	date 2023-08-18	rnd 1	type Standard	result 0.5
		Opponent Mahlangu, L (Lungisa Thapelo)				Opponent Magagula, T (Thandolwethu)
3	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 3	type Standard	result 1	date 2023-08-18	rnd 4	type Standard	result 1
		Opponent Fouch�, R (Ruan)				Opponent Kgothego, T (Tshireletso)

#	Games	Start				End
1	5	Tournament 2023 West Rand Open				Tournament D2 Schools Individuals 2023
		date 2023-02-04	rnd 3	type Standard	result 1	date 2023-05-13	rnd 2	type Standard	result 1
		Opponent De Koker, R (Rigardt)				Opponent Mokolare, T (Thato)
2	4	Tournament D2 School League Finals 2023				Tournament 2023 Gauteng Top Schools
		date 2023-07-22	rnd 1	type Standard	result 1	date 2023-08-18	rnd 1	type Standard	result 0.5
		Opponent Mahlangu, L (Lungisa Thapelo)				Opponent Magagula, T (Thandolwethu)
3	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 3	type Standard	result 1	date 2023-08-18	rnd 4	type Standard	result 1
		Opponent Fouch�, R (Ruan)				Opponent Kgothego, T (Tshireletso)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament D2 School League Finals 2023				Tournament D2 School League Finals 2023
		date 2023-07-22	rnd 1	type Standard	result 1	date 2023-07-22	rnd 6	type Standard	result 1
		Opponent Mahlangu, L (Lungisa Thapelo)				Opponent Janse Van Rensburg, A (Andrew)
2	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 3	type Standard	result 1	date 2023-08-18	rnd 4	type Standard	result 1
		Opponent Fouch�, R (Ruan)				Opponent Kgothego, T (Tshireletso)
3	2	Tournament D2 Schools Individuals 2023				Tournament D2 Schools Individuals 2023
		date 2023-05-13	rnd 1	type Standard	result 1	date 2023-05-13	rnd 2	type Standard	result 1
		Opponent Marais, E (Ewald Pierre)				Opponent Mokolare, T (Thato)

#	Games	Start				End
1	3	Tournament D2 School League Finals 2023				Tournament D2 School League Finals 2023
		date 2023-07-22	rnd 1	type Standard	result 1	date 2023-07-22	rnd 6	type Standard	result 1
		Opponent Mahlangu, L (Lungisa Thapelo)				Opponent Janse Van Rensburg, A (Andrew)
2	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 3	type Standard	result 1	date 2023-08-18	rnd 4	type Standard	result 1
		Opponent Fouch�, R (Ruan)				Opponent Kgothego, T (Tshireletso)
3	2	Tournament D2 Schools Individuals 2023				Tournament D2 Schools Individuals 2023
		date 2023-05-13	rnd 1	type Standard	result 1	date 2023-05-13	rnd 2	type Standard	result 1
		Opponent Marais, E (Ewald Pierre)				Opponent Mokolare, T (Thato)

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	Grewar ,O (Owen)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
1	Grewar ,O (Owen)	2	1208.4	995.9	2	1209.2	995.9	0	0	0	0	0	0
2	Marais ,E (Ewald Pierre)	1	1	425	1	1	425	0	0	0	0	0	0
2	Marais ,E (Ewald Pierre)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Mahlangu ,L (Lungisa Thapelo)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mahlangu ,L (Lungisa Thapelo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Vis ,K (Katlego)	1	1	425	1	1	425	0	0	0	0	0	0
4	Vis ,K (Katlego)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Coetzer ,K (Katherine)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Coetzer ,K (Katherine)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
6	Janse Van Rensburg ,A (Andrew)	1	1	425	1	1	425	0	0	0	0	0	0
6	Janse Van Rensburg ,A (Andrew)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Kgothego ,T (Tshireletso)	1	1	425	1	1	425	0	0	0	0	0	0
7	Kgothego ,T (Tshireletso)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Van Der Merwe ,ZC (Zander Christiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Van Der Merwe ,ZC (Zander Christiaan)	1	1339.2	914.2	1	1335.8	914.2	0	0	0	0	0	0
9	Swart ,L (Louis)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Swart ,L (Louis)	1	1197.6	772.6	1	1196	772.6	0	0	0	0	0	0
10	Van Rensburg ,L (Liem)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Rensburg ,L (Liem)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Coetzer, L (Logan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms