Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kotze, L (Logan)

Chess SA id

1120137360

FIDE id

Date of birth

2012-01-30 (U14)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-03-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1146.5	1200	1115.2	1200
Raw rating	1146.5	1200	1115.2	1200
Weighted rating	1146.2	1200	1114.8	1200
Weighted performance	744.6	0	781.6	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	179	165.8	187.1	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2020-01-01	1200 2024-02-01	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 2020-01-01	1200 2024-02-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1146.5	1200	1115.2	1200
Analysis
Rating	1146.5	1200	1115.2	1200
Raw rating	1146.5	1200	1115.2	1200
Weighted rating	1146.2	1200	1114.8
Weighted performance	744.6	0	781.6
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	179	165.8	187.1	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	1146.5	1200	1115.2	1200
New weighted rating	1146.3	1200	1114.9	1200
New weighted performance	738.5	0	775.3	0
Temp new rating	1146.5	1200	1115.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1146.5	1200	1115.2	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Rapid
	0	0
	0	0
	5	5
	12	12
	17	17
	0	0
History	34	34

Games since
	Main 5	Standard 0		Rapid 5		Blitz 0
Gender	Male
Age group	U14
Region	Cape Town (WCT)
Province	Western Cape (WC)
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	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	34	13	38.24	-100	1218.9	1118.9
Standard	0	0	0	0	0	0
Rapid	34	13	38.24	-100	1218.9	1118.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1146.5	1200	1115.2	1200
2025-09-30	1146.5	1200	1115.2	1200
2025-09-01	1146.5	1200	1115.2	1200
2025-08-01	1146.5	1200	1115.2	1200
2025-07-01	1146.5	1200	1115.2	1200
2025-06-01	1146.5	1200	1115.2	1200
2025-05-01	1146.5	1200	1115.2	1200
2025-04-01	1146.5	1200	1115.2	1200
2025-03-01	1146.5	1200	1115.2	1200
2025-02-01	1146.5	1200	1115.2	1200
2025-01-01	1146.3	1200	1115.2	1200
2024-12-01	1146.3	1200	1115.2	1200
2024-11-01	1146.3	1200	1115.2	1200
2024-10-01	1146.3	1200	1115.2	1200
2024-09-01	1146.3	1200	1115.2	1200
2024-08-01	1146.3	1200	1115.2	1200
2024-07-01	1146.3	1200	1115.2	1200
2024-09-01	1146.3	1200	1115.2	1200
2024-05-01	1146.3	1200	1115.2	1200
2024-04-01	1146.3	1200	1115.2	1200
2024-03-01	1140	1200	1102	1200
2024-02-01	1140	1200	1102	1200
2024-01-01	1140	1200	1102	1200
2023-12-01	1140	1200	1102	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	Chas Everitt and MHI Attorneys Rapid 2024 (U14)	2024-03-09	2024-03-09	Rapid	Cape Town (WCT)	6	5	2	Yes	Analysis
2	Western Cape Closed Championship 2023 (U12)	2023-09-23	2023-09-23	Rapid	Cape Town (WCT)	6	6	1.5	Yes	Analysis
3	Laerskool Welgemoed Rapid 2023 (U12)	2023-02-11	2023-02-11	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
4	Kenridge Rapid 2022 (U12)	2022-11-05	2022-11-05	Rapid	Cape Town (WCT)	6	6	2.5	Yes	Analysis
5	District North 2022 (U11)	2022-03-05	2022-03-05	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
6	Laerskool Welgemoed 12th Annual Chess Challenge 2022 (U12)	2022-02-19	2022-02-19	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Kenridge Rapid 2022				Tournament Kenridge Rapid 2022
		date 2022-11-05	rnd 2	type Rapid	result 1	date 2022-11-05	rnd 4	type Rapid	result 0.5
		Opponent Harding, J (Jodie)				Opponent Gani, R (Raza)
2	2	Tournament Laerskool Welgemoed Rapid 2023				Tournament Laerskool Welgemoed Rapid 2023
		date 2023-02-11	rnd 4	type Rapid	result 1	date 2023-02-11	rnd 5	type Rapid	result 1
		Opponent Ferus, A (Ava)				Opponent Lefefa, L (Liza Lenka)
3	2	Tournament District North 2022				Tournament District North 2022
		date 2022-03-05	rnd 4	type Rapid	result 1	date 2022-03-05	rnd 5	type Rapid	result 1
		Opponent Van Rooyen, C (Caleb)				Opponent Satande, B (Blessing)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Kenridge Rapid 2022				Tournament Kenridge Rapid 2022
		date 2022-11-05	rnd 2	type Rapid	result 1	date 2022-11-05	rnd 4	type Rapid	result 0.5
		Opponent Harding, J (Jodie)				Opponent Gani, R (Raza)
2	2	Tournament Laerskool Welgemoed Rapid 2023				Tournament Laerskool Welgemoed Rapid 2023
		date 2023-02-11	rnd 4	type Rapid	result 1	date 2023-02-11	rnd 5	type Rapid	result 1
		Opponent Ferus, A (Ava)				Opponent Lefefa, L (Liza Lenka)
3	2	Tournament District North 2022				Tournament District North 2022
		date 2022-03-05	rnd 4	type Rapid	result 1	date 2022-03-05	rnd 5	type Rapid	result 1
		Opponent Van Rooyen, C (Caleb)				Opponent Satande, B (Blessing)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Laerskool Welgemoed Rapid 2023				Tournament Laerskool Welgemoed Rapid 2023
		date 2023-02-11	rnd 4	type Rapid	result 1	date 2023-02-11	rnd 5	type Rapid	result 1
		Opponent Ferus, A (Ava)				Opponent Lefefa, L (Liza Lenka)
2	2	Tournament Kenridge Rapid 2022				Tournament Kenridge Rapid 2022
		date 2022-11-05	rnd 2	type Rapid	result 1	date 2022-11-05	rnd 3	type Rapid	result 1
		Opponent Harding, J (Jodie)				Opponent Matthee, A (Alexa)
3	2	Tournament District North 2022				Tournament District North 2022
		date 2022-03-05	rnd 4	type Rapid	result 1	date 2022-03-05	rnd 5	type Rapid	result 1
		Opponent Van Rooyen, C (Caleb)				Opponent Satande, B (Blessing)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Laerskool Welgemoed Rapid 2023				Tournament Laerskool Welgemoed Rapid 2023
		date 2023-02-11	rnd 4	type Rapid	result 1	date 2023-02-11	rnd 5	type Rapid	result 1
		Opponent Ferus, A (Ava)				Opponent Lefefa, L (Liza Lenka)
2	2	Tournament Kenridge Rapid 2022				Tournament Kenridge Rapid 2022
		date 2022-11-05	rnd 2	type Rapid	result 1	date 2022-11-05	rnd 3	type Rapid	result 1
		Opponent Harding, J (Jodie)				Opponent Matthee, A (Alexa)
3	2	Tournament District North 2022				Tournament District North 2022
		date 2022-03-05	rnd 4	type Rapid	result 1	date 2022-03-05	rnd 5	type Rapid	result 1
		Opponent Van Rooyen, C (Caleb)				Opponent Satande, B (Blessing)

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	Sterley ,B (Blair)	2	2	425	0	0	0	2	2	425	0	0	0
1	Sterley ,B (Blair)	2	1162.8	1587.8	0	0	0	2	1141.8	1587.8	0	0	0
2	Meyer ,A (Adam)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Meyer ,A (Adam)	1	1167.2	742.2	0	0	0	1	1145.7	742.2	0	0	0
3	Gani ,R (Raza)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
3	Gani ,R (Raza)	1	1170.7	1170.7	0	0	0	1	1166	1170.7	0	0	0
4	Shapiro ,H (Hannah)	1	0	-425	0	0	0	1	0	-425	0	0	0
4	Shapiro ,H (Hannah)	1	1287.8	862.8	0	0	0	1	1250.4	862.8	0	0	0
5	Pfaff ,R (Ruben)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Pfaff ,R (Ruben)	1	1318	893	0	0	0	1	1275.5	893	0	0	0
6	Ochse ,T (Thinus)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Ochse ,T (Thinus)	1	1307.9	882.9	0	0	0	1	1211.1	882.9	0	0	0
7	Russell ,C (Christopher)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Russell ,C (Christopher)	1	1188	763	0	0	0	1	1147.6	763	0	0	0
8	Muller ,H (Helgard)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Muller ,H (Helgard)	1	1280.1	855.1	0	0	0	1	1254.6	855.1	0	0	0
9	James ,A (Ayden)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	James ,A (Ayden)	1	1356.2	931.2	0	0	0	1	1400	931.2	0	0	0
10	Du Raan ,C (Chris)	1	1	425	0	0	0	1	1	425	0	0	0
10	Du Raan ,C (Chris)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Kotze, 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