Chess South Africa Ratings Database

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Personal

Petrus, L (Liam)

Chess SA id

1110142420

FIDE id

Date of birth

2011-02-03 (U16)

Gender

Male

Region

Sarah Baartman (ESB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-01-04

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1238	1233.1	1225.6	1200
Raw rating	1238	1233	1225.6	1200
Weighted rating	1237.8	1233.1	1225.5	1200
Weighted performance	1010.7	991.1	0	0
Floor	771.7	776.5	776	700
K-factor	36	36	36	36
Min/Max rating change allowed	157.1	158.2	159.9	165.8
Highest rating	1320.3 2022-06-01	1309.4 2022-06-01	1332.9 2022-08-01	1200 2018-10-01
Highest raw rating	1271.7 2024-03-01	1276.5 2024-03-01	1276 2022-09-01	1200 2024-02-01
Highest weighted rating	1237.3 2025-08-01	1232.9 2025-08-01	1276 2023-05-01	1200 2018-10-01
Highest weighted performance	1320.3 2022-06-01	1309.4 2022-06-01	1332.9 2022-08-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	-0.1	0	0
New rating	1238	1233	1225.6	1200
Analysis
Rating	1238	1233.1	1225.6	1200
Raw rating	1238	1233	1225.6	1200
Weighted rating	1237.8	1233.1	1225.5
Weighted performance	1010.7	991.1	0
K-factor	36	36	36	36
Floor	771.7	776.5	776	700
Max/Min rating change allowed	157.1	158.2	159.9	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	1238	1233	1225.6	1200
New weighted rating	1237.9	1233	1225.5	1200
New weighted performance	1003.6	983.8	0	0
Temp new rating	1238	1233	1225.6	1200
Temp new rating +/-	0	-0.1	0	0
Final new rating +/-	0	-0.1	0	0
New rating	1238	1233	1225.6	1200
New K-factor	36	36	36	36
New floor	771.7	776.5	776	700

Item	Main	Standard	Rapid
	0	0	0
	4	0	4
	18	18	0
	45	39	6
	27	14	13
	0	0	0
History	94	71	23

Games since
	Main 22	Standard 18		Rapid 4		Blitz 0
Gender	Male
Age group	U16
Region	Sarah Baartman (ESB)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	4	1.5	37.5	-106.2	1326.5	1220.2
Standard	0	0	0	0	0	0
Rapid	4	1.5	37.5	-106.2	1326.5	1220.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	94	45.5	48.4	-13.6	1237.5	1223.9
Standard	71	33	46.48	-29.9	1247.6	1217.7
Rapid	23	12.5	54.35	37	1206.2	1243.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1238	1233	1225.6	1200
2025-09-30	1238	1233	1225.6	1200
2025-09-01	1238	1233	1225.6	1200
2025-08-01	1238	1233	1225.6	1200
2025-07-01	1238	1233	1225.6	1200
2025-06-01	1238	1233	1225.6	1200
2025-05-01	1238	1233	1225.6	1200
2025-04-01	1238	1233	1225.6	1200
2025-03-01	1238	1233	1225.6	1200
2025-02-01	1238	1233	1225.6	1200
2025-01-01	1238.1	1233	1225.2	1200
2024-12-01	1238.1	1233	1225.2	1200
2024-11-01	1238.1	1233	1225.2	1200
2024-10-01	1238.1	1233	1225.2	1200
2024-09-01	1238.1	1233	1225.2	1200
2024-08-01	1238.1	1233	1225.2	1200
2024-07-01	1238.1	1233	1225.2	1200
2024-09-01	1238.1	1233	1225.2	1200
2024-05-01	1224.2	1218.2	1225.2	1200
2024-04-01	1224.2	1218.2	1225.2	1200
2024-03-01	1271.7	1276.5	1225.2	1200
2024-02-01	1231	1233.7	1225.2	1200
2024-01-01	1231	1233.7	1225.2	1200
2023-12-01	1231	1233.7	1225.2	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	SBD Activation Tournament 2025 (A)	2025-01-04	2025-01-04	Rapid	Sarah Baartman (ESB)	5	4	1.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	SBD Activation Tournament 2025 (A)	2025-01-04	2025-01-04	Rapid	Sarah Baartman (ESB)	5	4	1.5	Yes	Analysis
2	Fountains Mall 2024 (B)	2024-05-17	2024-05-18	Standard	Sarah Baartman (ESB)	6	6	3	Yes	Analysis
3	Kouga Mayor's Cup 2024 (U13)	2024-03-09	2024-03-09	Standard	Sarah Baartman (ESB)	6	6	2	Yes	Analysis
4	SBDCU Trial 1 2024 (U14)	2024-02-24	2024-02-24	Standard	Sarah Baartman (ESB)	6	6	4	Yes	Analysis
5	Eastern Cape Provincial Individual Championship 2023 (U14 Boys)	2023-10-05	2023-10-05	Standard	Nelson Mandela Bay (ENM)	7	7	3	Yes	Analysis
6	Eastern Cape Chess Team Championship 2023 (U14)	2023-10-07	2023-10-08	Standard	Sarah Baartman (ESB)	5	4	2.5	Yes	Analysis
7	SBDCU Closed Trials 2023 (U14 Boys)	2023-07-28	2023-07-29	Standard	Sarah Baartman (ESB)	6	6	2	Yes	Analysis
8	SBDCU Trial 3 2023 (U14)	2023-06-24	2023-06-24	Standard	Sarah Baartman (ESB)	6	6	2	Yes	Analysis
9	Paul Sauer Chess Tournament 2023 (Senior)	2023-05-05	2023-05-05	Rapid	Sarah Baartman (ESB)	6	6	2.5	Yes	Analysis
10	SBDCU Trial 2 2023 (U14 Boys)	2023-04-01	2023-04-01	Standard	Sarah Baartman (ESB)	5	5	2	Yes	Analysis
11	Kouga Mayor's Cup 2023 (U13)	2023-04-15	2023-04-15	Standard	Sarah Baartman (ESB)	6	6	2.5	Yes	Analysis
12	SBDCU Trial 1 2023 (U14)	2023-03-05	2023-03-05	Standard	Sarah Baartman (ESB)	5	5	2.5	Yes	Analysis
13	Stulting Sports Day 2022 (Seniors)	2022-08-26	2022-08-26	Rapid	Sarah Baartman (ESB)	13	13	8.5	Yes	Analysis
14	Kouga Mayarol Cup 2022 (U11)	2022-07-23	2022-07-23	Standard	Sarah Baartman (ESB)	6	5	2	Yes	Analysis
15	SBDCU Trials 2022 (U12)	2022-06-25	2022-06-25	Standard	Sarah Baartman (ESB)	6	5	2.5	Yes	Analysis
16	Graslaagte Closed 2022	2022-06-20	2022-06-20	Standard	Sarah Baartman (ESB)	6	4	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament Eastern Cape Provincial Individual Championship 2023				Tournament Eastern Cape Chess Team Championship 2023
		date 2023-10-05	rnd 7	type Standard	result 1	date 2023-10-07	rnd 3	type Standard	result 1
		Opponent Kammies, M (Montell)				Opponent Williams, M (Meagan)
2	4	Tournament Stulting Sports Day 2022				Tournament Stulting Sports Day 2022
		date 2022-08-26	rnd 8	type Rapid	result 1	date 2022-08-26	rnd 11	type Rapid	result 1
		Opponent Mazadza, T (Tinotenda)				Opponent Forbes, J (Jamie)
3	3	Tournament SBDCU Trial 1 2024				Tournament SBDCU Trial 1 2024
		date 2024-02-24	rnd 2	type Standard	result 1	date 2024-02-24	rnd 4	type Standard	result 1
		Opponent Hendricks, Z (Zayden)				Opponent Mtyaleka, K (Khazimla)

#	Games	Start				End
1	4	Tournament Eastern Cape Provincial Individual Championship 2023				Tournament Eastern Cape Chess Team Championship 2023
		date 2023-10-05	rnd 7	type Standard	result 1	date 2023-10-07	rnd 3	type Standard	result 1
		Opponent Kammies, M (Montell)				Opponent Williams, M (Meagan)
2	3	Tournament SBDCU Trial 1 2024				Tournament SBDCU Trial 1 2024
		date 2024-02-24	rnd 2	type Standard	result 1	date 2024-02-24	rnd 4	type Standard	result 1
		Opponent Hendricks, Z (Zayden)				Opponent Mtyaleka, K (Khazimla)
3	3	Tournament SBDCU Trial 3 2023				Tournament SBDCU Trial 3 2023
		date 2023-06-24	rnd 2	type Standard	result 1	date 2023-06-24	rnd 4	type Standard	result 0.5
		Opponent Yongama, A (Amzolele)				Opponent Petrus, L (Lenique)

#	Games	Start				End
1	4	Tournament Stulting Sports Day 2022				Tournament Stulting Sports Day 2022
		date 2022-08-26	rnd 8	type Rapid	result 1	date 2022-08-26	rnd 11	type Rapid	result 1
		Opponent Mazadza, T (Tinotenda)				Opponent Forbes, J (Jamie)
2	2	Tournament SBD Activation Tournament 2025				Tournament SBD Activation Tournament 2025
		date 2025-01-04	rnd 3	type Rapid	result 0.5	date 2025-01-04	rnd 4	type Rapid	result 1
		Opponent Petrus, L (Lenique)				Opponent Leslie, L (Len)
3	2	Tournament Paul Sauer Chess Tournament 2023				Tournament Paul Sauer Chess Tournament 2023
		date 2023-05-05	rnd 5	type Rapid	result 1	date 2023-05-05	rnd 6	type Rapid	result 0.5
		Opponent Budaza, Y (Yomelela)				Opponent Barendse, R (Raydon)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Stulting Sports Day 2022				Tournament Stulting Sports Day 2022
		date 2022-08-26	rnd 8	type Rapid	result 1	date 2022-08-26	rnd 11	type Rapid	result 1
		Opponent Mazadza, T (Tinotenda)				Opponent Forbes, J (Jamie)
2	3	Tournament SBDCU Trial 1 2024				Tournament SBDCU Trial 1 2024
		date 2024-02-24	rnd 2	type Standard	result 1	date 2024-02-24	rnd 4	type Standard	result 1
		Opponent Hendricks, Z (Zayden)				Opponent Mtyaleka, K (Khazimla)
3	3	Tournament Graslaagte Closed 2022				Tournament Graslaagte Closed 2022
		date 2022-06-20	rnd 1	type Standard	result 1	date 2022-06-20	rnd 4	type Standard	result 1
		Opponent Kettledas, JP (Jernelle Payton)				Opponent Grootboom, R (Rowan)

#	Games	Start				End
1	3	Tournament SBDCU Trial 1 2024				Tournament SBDCU Trial 1 2024
		date 2024-02-24	rnd 2	type Standard	result 1	date 2024-02-24	rnd 4	type Standard	result 1
		Opponent Hendricks, Z (Zayden)				Opponent Mtyaleka, K (Khazimla)
2	3	Tournament Graslaagte Closed 2022				Tournament Graslaagte Closed 2022
		date 2022-06-20	rnd 1	type Standard	result 1	date 2022-06-20	rnd 4	type Standard	result 1
		Opponent Kettledas, JP (Jernelle Payton)				Opponent Grootboom, R (Rowan)
3	2	Tournament Fountains Mall 2024				Tournament Fountains Mall 2024
		date 2024-05-18	rnd 2	type Standard	result 1	date 2024-05-18	rnd 3	type Standard	result 1
		Opponent Booysen, T (Tamia)				Opponent Vorster, S (Stephan)

#	Games	Start				End
1	4	Tournament Stulting Sports Day 2022				Tournament Stulting Sports Day 2022
		date 2022-08-26	rnd 8	type Rapid	result 1	date 2022-08-26	rnd 11	type Rapid	result 1
		Opponent Mazadza, T (Tinotenda)				Opponent Forbes, J (Jamie)
2	1	Tournament SBD Activation Tournament 2025				Tournament SBD Activation Tournament 2025
		date 2025-01-04	rnd 4	type Rapid	result 1	date 2025-01-04	rnd 4	type Rapid	result 1
		Opponent Leslie, L (Len)				Opponent Leslie, L (Len)
3	1	Tournament Paul Sauer Chess Tournament 2023				Tournament Paul Sauer Chess Tournament 2023
		date 2023-05-05	rnd 5	type Rapid	result 1	date 2023-05-05	rnd 5	type Rapid	result 1
		Opponent Budaza, Y (Yomelela)				Opponent Budaza, Y (Yomelela)

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	Kammies ,M (Montell)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
1	Kammies ,M (Montell)	4	1257.3	1044.8	4	1235	1044.8	0	0	0	0	0	0
2	Charlie ,S (Sinovuyo)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
2	Charlie ,S (Sinovuyo)	3	1307.7	1166	3	1318.9	1166	0	0	0	0	0	0
3	Stoop ,C (Connor)	3	0	-425	3	0	-425	0	0	0	0	0	0
3	Stoop ,C (Connor)	3	1267.6	842.6	3	1270.3	842.6	0	0	0	0	0	0
4	Gasura ,E (Emmanuel)	3	0	-425	3	0	-425	0	0	0	0	0	0
4	Gasura ,E (Emmanuel)	3	1252.2	827.2	3	1223.2	827.2	0	0	0	0	0	0
5	Moolman ,A (Anrico)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
5	Moolman ,A (Anrico)	3	1518	1376.3	2	1509.6	1518	1	1427.1	1093	0	0	0
6	Petrus ,L (Lenique)	3	2	141.7	2	1.5	212.5	1	0.5	0	0	0	0
6	Petrus ,L (Lenique)	3	1272	1413.7	2	1258.9	1484.5	1	1316.3	1272	0	0	0
7	Vosloo ,T (Travis)	2	2	425	2	2	425	0	0	0	0	0	0
7	Vosloo ,T (Travis)	2	1101.3	1526.3	2	1085	1526.3	0	0	0	0	0	0
8	Stuurman ,P (Pedro)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
8	Stuurman ,P (Pedro)	2	1486.3	1273.8	2	1495	1273.8	0	0	0	0	0	0
9	Jonas ,Y (Yongisipho)	2	1	0	2	1	0	0	0	0	0	0	0
9	Jonas ,Y (Yongisipho)	2	1411.3	1411.3	2	1377.8	1411.3	0	0	0	0	0	0
10	Hendricks ,Z (Zayden)	2	2	425	2	2	425	0	0	0	0	0	0
10	Hendricks ,Z (Zayden)	2	1153.2	1578.2	2	1133	1578.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Petrus, L (Liam)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms