Chess South Africa Ratings Database

PLAYER PAGE

Personal

Petersen, L (Liam)

Chess SA id

1130191229

FIDE id

Date of birth

2013-04-12 (U14)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1170.5	1183.8	1169.6	1200
Raw rating	1170.5	1183.8	1169.6	1200
Weighted rating	1168.6	1182.5	1167.9	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	172.9	169.7	173.2	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2024-02-01	1200 2019-12-01	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 2019-12-01	1200 2019-12-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1170.5	1183.8	1169.6	1200
Analysis
Rating	1170.5	1183.8	1169.6	1200
Raw rating	1170.5	1183.8	1169.6	1200
Weighted rating	1168.6	1182.5	1167.9
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	172.9	169.7	173.2	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	1170.5	1183.8	1169.6	1200
New weighted rating	1168.6	1182.5	1168.1	1200
New weighted performance	0	0	0	0
Temp new rating	1170.5	1183.8	1169.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1170.5	1183.8	1169.6	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	6	6	0
	5	5	0
	6	0	6
	0	0	0
	0	0	0
History	17	11	6

Games since
	Main 17	Standard 11		Rapid 6		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	6	3	50	0	1167.5	1167.5
Standard	6	3	50	0	1167.5	1167.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	17	7	41.18	-75	1188.3	1113.3
Standard	11	5	45.45	-38.6	1172.5	1133.9
Rapid	6	2	33.33	-141.7	1217.2	1075.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1170.5	1183.8	1169.6	1200
2025-09-01	1170.5	1183.8	1169.6	1200
2025-08-01	1170.5	1183.8	1169.6	1200
2025-07-01	1170.5	1183.8	1169.6	1200
2025-06-01	1170.5	1183.8	1169.6	1200
2025-05-01	1170.5	1183.8	1169.6	1200
2025-04-01	1170.5	1183.8	1169.6	1200
2025-03-01	1170.5	1183.5	1169.6	1200
2025-02-01	1170.9	1184.3	1169.6	1200
2025-01-01	1164.2	1178.8	1165.4	1200
2024-12-01	1164.2	1178.8	1165.4	1200
2024-11-01	1164.2	1178.8	1165.4	1200
2024-10-01	1164.2	1178.8	1165.4	1200
2024-09-01	1164.2	1178.8	1165.4	1200
2024-08-01	1164.2	1178.8	1165.4	1200
2024-07-01	1164.2	1178.8	1165.4	1200
2024-06-01	1164.2	1178.8	1165.4	1200
2024-08-01	1164.2	1178.8	1165.4	1200
2024-04-01	1164.2	1178.8	1165.4	1200
2024-03-01	1164.2	1178.8	1165.4	1200
2024-02-01	1181.2	1200	1165.4	1200
2024-01-01	1181.2	1200	1165.4	1200
2023-12-01	1181.2	1200	1165.4	1200
2023-11-01	1181.2	1200	1165.4	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	CT Metro District East Schools Chess Individuals Trials 2025 (U13 Boys)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	CT Metro District East Schools Chess Individuals Trials 2025 (U13 Boys)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
2	CT District East Schools Chess Individuals Trails 2024 (U11 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
3	Grant East Primary School Invitational Chess Tournament 2023 (U11 Mixed)	2023-11-04	2023-11-04	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament CT District East Schools Chess Individuals Trails 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 4	type Standard	result 1
		Opponent Cornelius, H (Hudson)				Opponent Porter, D (Daniel)
2	1	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-02	rnd 5	type Standard	result 1	date 2025-02-02	rnd 5	type Standard	result 1
		Opponent Myburgh, R (Raidon)				Opponent Myburgh, R (Raidon)
3	1	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-02-01	rnd 3	type Standard	result 1
		Opponent Naidoo, Z (Zac)				Opponent Naidoo, Z (Zac)

#	Games	Start				End
1	2	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament CT District East Schools Chess Individuals Trails 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 4	type Standard	result 1
		Opponent Cornelius, H (Hudson)				Opponent Porter, D (Daniel)
2	1	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-02	rnd 5	type Standard	result 1	date 2025-02-02	rnd 5	type Standard	result 1
		Opponent Myburgh, R (Raidon)				Opponent Myburgh, R (Raidon)
3	1	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-02-01	rnd 3	type Standard	result 1
		Opponent Naidoo, Z (Zac)				Opponent Naidoo, Z (Zac)

#	Games	Start				End
1	1	Tournament Grant East Primary School Invitational Chess Tournament 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-11-04	rnd 5	type Rapid	result 1	date 2023-11-04	rnd 5	type Rapid	result 1
		Opponent Naicker, A (Aidan)				Opponent Naicker, A (Aidan)
2	1	Tournament Grant East Primary School Invitational Chess Tournament 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-11-04	rnd 2	type Rapid	result 1	date 2023-11-04	rnd 2	type Rapid	result 1
		Opponent Rossouw, A (Anja)				Opponent Rossouw, A (Anja)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament CT District East Schools Chess Individuals Trails 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 4	type Standard	result 1
		Opponent Cornelius, H (Hudson)				Opponent Porter, D (Daniel)
2	1	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-02	rnd 5	type Standard	result 1	date 2025-02-02	rnd 5	type Standard	result 1
		Opponent Myburgh, R (Raidon)				Opponent Myburgh, R (Raidon)
3	1	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-02-01	rnd 3	type Standard	result 1
		Opponent Naidoo, Z (Zac)				Opponent Naidoo, Z (Zac)

#	Games	Start				End
1	2	Tournament CT District East Schools Chess Individuals Trails 2024				Tournament CT District East Schools Chess Individuals Trails 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 4	type Standard	result 1
		Opponent Cornelius, H (Hudson)				Opponent Porter, D (Daniel)
2	1	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-02	rnd 5	type Standard	result 1	date 2025-02-02	rnd 5	type Standard	result 1
		Opponent Myburgh, R (Raidon)				Opponent Myburgh, R (Raidon)
3	1	Tournament CT Metro District East Schools Chess Individuals Trials 2025				Tournament CT Metro District East Schools Chess Individuals Trials 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-02-01	rnd 3	type Standard	result 1
		Opponent Naidoo, Z (Zac)				Opponent Naidoo, Z (Zac)

#	Games	Start				End
1	1	Tournament Grant East Primary School Invitational Chess Tournament 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-11-04	rnd 5	type Rapid	result 1	date 2023-11-04	rnd 5	type Rapid	result 1
		Opponent Naicker, A (Aidan)				Opponent Naicker, A (Aidan)
2	1	Tournament Grant East Primary School Invitational Chess Tournament 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-11-04	rnd 2	type Rapid	result 1	date 2023-11-04	rnd 2	type Rapid	result 1
		Opponent Rossouw, A (Anja)				Opponent Rossouw, A (Anja)

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	Cornelius ,H (Hudson)	1	1	425	1	1	425	0	0	0	0	0	0
1	Cornelius ,H (Hudson)	1	1160.9	1585.9	1	1200	1585.9	0	0	0	0	0	0
2	Gxogxa ,K (Khoyane)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Gxogxa ,K (Khoyane)	1	1132.2	707.2	1	1155.6	707.2	0	0	0	0	0	0
3	Porter ,D (Daniel)	1	1	425	1	1	425	0	0	0	0	0	0
3	Porter ,D (Daniel)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Guyo ,V (Victor)	1	1	425	1	1	425	0	0	0	0	0	0
4	Guyo ,V (Victor)	1	1076.4	1501.4	1	1094.1	1501.4	0	0	0	0	0	0
5	Chamberlain ,E (Eduan)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Chamberlain ,E (Eduan)	1	1134.4	709.4	1	1110.6	709.4	0	0	0	0	0	0
6	May ,A (Awafeze)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	May ,A (Awafeze)	1	1214.8	789.8	1	1211.9	789.8	0	0	0	0	0	0
7	Myburgh ,R (Raidon)	1	1	425	1	1	425	0	0	0	0	0	0
7	Myburgh ,R (Raidon)	1	1145.2	1570.2	1	1134.9	1570.2	0	0	0	0	0	0
8	Brown ,Z (Zachariah)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Brown ,Z (Zachariah)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Naidoo ,Z (Zac)	1	1	425	1	1	425	0	0	0	0	0	0
9	Naidoo ,Z (Zac)	1	1180.3	1605.3	1	1175.4	1605.3	0	0	0	0	0	0
10	Lorenz ,L (Len)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Lorenz ,L (Len)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Petersen, L (Liam)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms