Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pretorius, L (Liam)

Chess SA id

1140306110

FIDE id

Date of birth

2014-05-09 (U12)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1253.4

Item	Main	Standard	Rapid	Blitz
Rating	1231.3	1232.1	1218.4	1200
Raw rating	1231.3	1232.1	1218.4	1200
Weighted rating	1215.5	1211.6	1216.7	1200
Weighted performance	0	0	0	0
Floor	731.3	732.1	718.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	158.6	158.4	161.5	165.8
Highest rating	1231.3 2025-06-01	1232.1 2025-06-01	1289.4 2024-06-01	1200 2024-07-01
Highest raw rating	1231.3 2025-06-01	1232.1 2025-06-01	1218.4 2024-07-01	1200 2024-07-01
Highest weighted rating	1231.3 2024-10-01	1204.7 2025-08-01	1218.4 2024-10-01	1200 2024-07-01
Highest weighted performance	1224.9 2024-06-01	1200 2024-07-01	1289.4 2024-06-01	1200 2024-07-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1231.3	1232.1	1218.4	1200
Analysis
Rating	1231.3	1232.1	1218.4	1200
Raw rating	1231.3	1232.1	1218.4	1200
Weighted rating	1215.5	1211.6	1216.7
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	731.3	732.1	718.4	700
Max/Min rating change allowed	158.6	158.4	161.5	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	1231.3	1232.1	1218.4	1200
New weighted rating	1217.2	1213.7	1217.1	1200
New weighted performance	0	0	0	0
Temp new rating	1231.3	1232.1	1218.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1231.3	1232.1	1218.4	1200
New K-factor	36	36	36	36
New floor	731.3	732.1	718.4	700

Item	Main	Standard	Rapid
	0	0	0
	5	5	0
	10	5	5
	0	0	0
	0	0	0
	0	0	0
History	15	10	5

Games since
	Main 15	Standard 10		Rapid 5		Blitz 0
Gender	Male
Age group	U12
Region	Ekurhuleni (GE)
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	5	3.5	70	170	1199.8	1369.8
Standard	5	3.5	70	170	1199.8	1369.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	15	8	53.33	28.3	1237.6	1266
Standard	10	5	50	0	1256.4	1256.4
Rapid	5	3	60	85	1200	1285
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1231.3	1232.1	1218.4	1200
2025-09-30	1231.3	1232.1	1218.4	1200
2025-09-01	1231.3	1232.1	1218.4	1200
2025-08-01	1231.3	1232.1	1218.4	1200
2025-07-01	1231.3	1232.1	1218.4	1200
2025-06-01	1231.3	1232.1	1218.4	1200
2025-05-01	1203.2	1197	1218.4	1200
2025-04-01	1203.1	1197	1218.4	1200
2025-03-01	1203	1197	1218.4	1200
2025-02-01	1202.8	1196.5	1218.4	1200
2025-01-01	1200.2	1188.4	1218.4	1200
2024-12-01	1200.2	1188.4	1218.4	1200
2024-11-01	1200.2	1188.4	1218.4	1200
2024-10-01	1211	1200	1218.4	1200
2024-09-01	1211	1200	1218.4	1200
2024-08-01	1211	1200	1218.4	1200
2024-07-01	1211	1200	1218.4	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	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	Ekurhuleni South District Primary Schools 2025 (U11 Boys)	2025-05-10	2025-05-10	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Ekurhuleni South District Primary Schools 2025 (U11 Boys)	2025-05-10	2025-05-10	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
2	Gauteng Top Schools 2024 (U11 Open)	2024-10-04	2024-10-04	Standard	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis
3	Boksburg Rapid 2024 (B)	2024-05-14	2024-06-11	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament Ekurhuleni South District Primary Schools 2025				Tournament Ekurhuleni South District Primary Schools 2025
		date 2025-05-10	rnd 1	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Mikhenso, C (Chavalala)				Opponent Sietharan, H (Harrith)
2	2	Tournament Boksburg Rapid 2024				Tournament Boksburg Rapid 2024
		date 2024-06-04	rnd 4	type Rapid	result 1	date 2024-06-11	rnd 5	type Rapid	result 1
		Opponent Msweli, T (Thembisile)				Opponent Crous, L (Liam)
3	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-04	rnd 4	type Standard	result 0.5	date 2024-10-04	rnd 4	type Standard	result 0.5
		Opponent Zulu, S (Sphiwe)				Opponent Zulu, S (Sphiwe)

#	Games	Start				End
1	4	Tournament Ekurhuleni South District Primary Schools 2025				Tournament Ekurhuleni South District Primary Schools 2025
		date 2025-05-10	rnd 1	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Mikhenso, C (Chavalala)				Opponent Sietharan, H (Harrith)
2	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-04	rnd 4	type Standard	result 0.5	date 2024-10-04	rnd 4	type Standard	result 0.5
		Opponent Zulu, S (Sphiwe)				Opponent Zulu, S (Sphiwe)
3	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-04	rnd 2	type Standard	result 1	date 2024-10-04	rnd 2	type Standard	result 1
		Opponent Mkhize, S (Sibongimpilo)				Opponent Mkhize, S (Sibongimpilo)

#	Games	Start				End
1	2	Tournament Boksburg Rapid 2024				Tournament Boksburg Rapid 2024
		date 2024-06-04	rnd 4	type Rapid	result 1	date 2024-06-11	rnd 5	type Rapid	result 1
		Opponent Msweli, T (Thembisile)				Opponent Crous, L (Liam)
2	1	Tournament Boksburg Rapid 2024				Tournament Boksburg Rapid 2024
		date 2024-05-14	rnd 1	type Rapid	result 1	date 2024-05-14	rnd 1	type Rapid	result 1
		Opponent Gomes, A (Aljay)				Opponent Gomes, A (Aljay)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Ekurhuleni South District Primary Schools 2025				Tournament Ekurhuleni South District Primary Schools 2025
		date 2025-05-10	rnd 1	type Standard	result 1	date 2025-05-10	rnd 2	type Standard	result 1
		Opponent Mikhenso, C (Chavalala)				Opponent Naidoo, A (Adelio)
2	2	Tournament Boksburg Rapid 2024				Tournament Boksburg Rapid 2024
		date 2024-06-04	rnd 4	type Rapid	result 1	date 2024-06-11	rnd 5	type Rapid	result 1
		Opponent Msweli, T (Thembisile)				Opponent Crous, L (Liam)
3	1	Tournament Ekurhuleni South District Primary Schools 2025				Tournament Ekurhuleni South District Primary Schools 2025
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Sietharan, H (Harrith)				Opponent Sietharan, H (Harrith)

#	Games	Start				End
1	2	Tournament Ekurhuleni South District Primary Schools 2025				Tournament Ekurhuleni South District Primary Schools 2025
		date 2025-05-10	rnd 1	type Standard	result 1	date 2025-05-10	rnd 2	type Standard	result 1
		Opponent Mikhenso, C (Chavalala)				Opponent Naidoo, A (Adelio)
2	1	Tournament Ekurhuleni South District Primary Schools 2025				Tournament Ekurhuleni South District Primary Schools 2025
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Sietharan, H (Harrith)				Opponent Sietharan, H (Harrith)
3	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-04	rnd 2	type Standard	result 1	date 2024-10-04	rnd 2	type Standard	result 1
		Opponent Mkhize, S (Sibongimpilo)				Opponent Mkhize, S (Sibongimpilo)

#	Games	Start				End
1	2	Tournament Boksburg Rapid 2024				Tournament Boksburg Rapid 2024
		date 2024-06-04	rnd 4	type Rapid	result 1	date 2024-06-11	rnd 5	type Rapid	result 1
		Opponent Msweli, T (Thembisile)				Opponent Crous, L (Liam)
2	1	Tournament Boksburg Rapid 2024				Tournament Boksburg Rapid 2024
		date 2024-05-14	rnd 1	type Rapid	result 1	date 2024-05-14	rnd 1	type Rapid	result 1
		Opponent Gomes, A (Aljay)				Opponent Gomes, A (Aljay)

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	Mikhenso ,C (Chavalala)	1	1	425	1	1	425	0	0	0	0	0	0
1	Mikhenso ,C (Chavalala)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Zulu ,S (Sphiwe)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Zulu ,S (Sphiwe)	1	1268.4	1268.4	1	1274.9	1268.4	0	0	0	0	0	0
3	Radebe ,L (Lwazi)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Radebe ,L (Lwazi)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
4	Vorster ,M (Meandri)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Vorster ,M (Meandri)	1	1438.5	1013.5	1	1433	1013.5	0	0	0	0	0	0
5	De Vries ,M (Markus)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	De Vries ,M (Markus)	1	1198.8	773.8	1	1199.1	773.8	0	0	0	0	0	0
6	Naidoo ,A (Adelio)	1	1	425	1	1	425	0	0	0	0	0	0
6	Naidoo ,A (Adelio)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Maseko ,T (Tshiamo)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Maseko ,T (Tshiamo)	1	1453.9	1028.9	1	1452.4	1028.9	0	0	0	0	0	0
8	Sreetharan ,H (Harithsri)	1	1	425	1	1	425	0	0	0	0	0	0
8	Sreetharan ,H (Harithsri)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Pretorius ,M (Marno)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Pretorius ,M (Marno)	1	1253.9	828.9	1	1261.8	828.9	0	0	0	0	0	0
10	Mkhize ,S (Sibongimpilo)	1	1	425	1	1	425	0	0	0	0	0	0
10	Mkhize ,S (Sibongimpilo)	1	1150.6	1575.6	1	1152.4	1575.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Pretorius, 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