Chess South Africa Ratings Database

PLAYER PAGE

Personal

Booysen, L (Leon)

Chess SA id

199079419

FIDE id

Date of birth

1999-06-15 (Adult)

Gender

Male

Region

Sarah Baartman (ESB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1209.7	993.6	1285.2	741.6
Raw rating	1209.6	993.6	1285.2	741.6
Weighted rating	1209.7	974.2	1284.6	741.6
Weighted performance	1022.8	856.1	1005.1	0
Floor	718.4	500	788.8	500
K-factor	36	40	36	40
Min/Max rating change allowed	163.6	222.5	146.9	318.6
Highest rating	1270.9 2022-11-01	1208.2 2022-03-01	1302.3 2022-11-01	1200 2019-12-01
Highest raw rating	1218.4 2024-11-01	993.6 2025-03-01	1288.8 2024-02-01	741.6 2024-02-01
Highest weighted rating	1209.6 2025-08-01	993.6 2024-11-01	1288.8 2024-10-01	741.6 2024-11-01
Highest weighted performance	1270.9 2022-11-01	1208.2 2022-03-01	1302.3 2022-11-01	1200 2019-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.1	0	0	0
New rating	1209.8	993.6	1285.2	741.6
Analysis
Rating	1209.7	993.6	1285.2	741.6
Raw rating	1209.6	993.6	1285.2	741.6
Weighted rating	1209.7	974.2	1284.6
Weighted performance	1022.8	856.1	1005.1
K-factor	36	40	36	40
Floor	718.4	500	788.8	500
Max/Min rating change allowed	163.6	222.5	146.9	318.6
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	1209.6	993.6	1285.2	741.6
New weighted rating	1209.8	978	1284.6	741.6
New weighted performance	1022.4	855.7	1004.6	0
Temp new rating	1209.8	993.6	1285.2	741.6
Temp new rating +/-	0.1	0	0	0
Final new rating +/-	0.1	0	0	0
New rating	1209.8	993.6	1285.2	741.6
New K-factor	36	40	36	40
New floor	718.4	500	788.8	500

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	9	9	0	0
	13	0	13	0
	6	0	0	6
	37	13	19	5
	5	0	5	0
History	86	38	37	11

Games since
	Main 22	Standard 9		Rapid 13		Blitz 0
Gender	Male
Age group	Adult
Region	Sarah Baartman (ESB)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	9	2	22.22	-236.1	1357.1	1121
Standard	9	2	22.22	-236.1	1357.1	1121
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	70	31	44.29	-48.6	1296.4	1247.8
Standard	22	7	31.82	-154.5	1273.5	1119
Rapid	37	18	48.65	-11.5	1310.8	1299.3
Blitz	11	6	54.55	38.6	1293.5	1332.2

Date	Main	Standard	Rapid	Blitz
2025-09-30	1209.6	993.6	1285.2	741.6
2025-09-01	1209.6	993.6	1285.2	741.6
2025-08-01	1209.6	993.6	1285.2	741.6
2025-07-01	1209.5	993.6	1285.2	741.6
2025-06-01	1209.4	993.6	1285.2	741.6
2025-05-01	1209.3	993.6	1285.2	741.6
2025-04-01	1209.1	993.6	1285.2	741.6
2025-03-01	1208.3	993.6	1285.2	741.6
2025-02-01	1208.1	968.7	1284.6	741.6
2025-01-01	1218.4	955	1274.8	741.6
2024-12-01	1218.4	955	1274.8	741.6
2024-11-01	1218.4	955	1274.8	741.6
2024-10-01	1206.2	955	1288.8	741.6
2024-09-01	1206.2	955	1288.8	741.6
2024-08-01	1206.2	955	1288.8	741.6
2024-07-01	1206.2	955	1288.8	741.6
2024-06-01	1206.2	955	1288.8	741.6
2024-08-01	1206.2	955	1288.8	741.6
2024-04-01	1206.2	955	1288.8	741.6
2024-03-01	1206.2	955	1288.8	741.6
2024-02-01	1206.2	955	1288.8	741.6
2024-01-01	1206.2	955	1288.8	741.6
2023-12-01	1206.2	695.6	1288.8	741.6
2023-11-01	1206.2	695.6	1288.8	741.6

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	SBDCU Fundraiser 2025 (Open)	2025-02-01	2025-02-01	Standard	Sarah Baartman (ESB)	5	5	1	Yes	Analysis
2	2025 SBDCU Trial 2 JBay (U20+Open)	2025-01-25	2025-01-25	Standard	Sarah Baartman (ESB)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	SBDCU Fundraiser 2025 (Open)	2025-02-01	2025-02-01	Standard	Sarah Baartman (ESB)	5	5	1	Yes	Analysis
2	2025 SBDCU Trial 2 JBay (U20+Open)	2025-01-25	2025-01-25	Standard	Sarah Baartman (ESB)	5	4	1	Yes	Analysis
3	Jeffreys Bay CC Senior vs Aston Bay CC 2024	2024-10-19	2024-10-19	Rapid	Sarah Baartman (ESB)	7	7	4	Yes	Analysis
4	Jeffreys Bay CC 2024 (Double Attack)	2024-10-15	2024-10-15	Rapid	Sarah Baartman (ESB)	6	6	1	Yes	Analysis
5	Jefrreys Bay CC 1st Blitz 2023	2023-02-09	2023-02-09	Blitz	Sarah Baartman (ESB)	6	6	3	Yes	Analysis
6	The Team Battle 2022 (A)	2022-11-19	2022-11-19	Rapid	Sarah Baartman (ESB)	7	6	4	Yes	Analysis
7	Jeffreys Bay Chess Club Rapid 17 November 2022	2022-11-17	2022-11-17	Rapid	Sarah Baartman (ESB)	6	5	3	Yes	Analysis
8	Jeffreys Bay Chess Club Rapid September 2022	2022-09-22	2022-09-26	Rapid	Sarah Baartman (ESB)	5	3	2	Yes	Analysis
9	SBDCU Trials 2022 (Open)	2022-06-25	2022-06-25	Standard	Sarah Baartman (ESB)	5	4	1	Yes	Analysis
10	Fountains Mall Open Tournament 2022 (A)	2022-05-13	2022-05-14	Standard	Sarah Baartman (ESB)	5	4	2	Yes	Analysis
11	Makhanda Open Chess Tournament 2022 (A)	2022-04-30	2022-04-30	Rapid	Sarah Baartman (ESB)	6	5	2.5	Yes	Analysis
12	Jeffreys Bay CC Closed Blitz Tournament 1 2022	2022-04-28	2022-04-28	Blitz	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
13	SBDCU 2nd Open Tournament Fountains Mall 2022 (A)	2022-03-04	2022-03-05	Standard	Sarah Baartman (ESB)	5	5	2	Yes	Analysis
14	SBDCU Rapid Fountains Mall 2021 (A)	2021-11-06	2021-11-06	Rapid	Sarah Baartman (ESB)	6	5	1.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament The Team Battle 2022				Tournament Jefrreys Bay CC 1st Blitz 2023
		date 2022-11-19	rnd 6	type Rapid	result 1	date 2023-02-09	rnd 2	type Blitz	result 1
		Opponent De Lange, V (Vin-Josh)				Opponent Smanase, N (Nkosisiphile)
2	3	Tournament Jeffreys Bay CC Closed Blitz Tournament 1 2022				Tournament Jeffreys Bay CC Closed Blitz Tournament 1 2022
		date 2022-04-28	rnd 2	type Blitz	result 1	date 2022-04-28	rnd 4	type Blitz	result 1
		Opponent Stuurman, P (Pedro)				Opponent Potgieter, D (Divan)
3	2	Tournament Jeffreys Bay CC Senior vs Aston Bay CC 2024				Tournament Jeffreys Bay CC Senior vs Aston Bay CC 2024
		date 2024-10-19	rnd 6	type Rapid	result 1	date 2024-10-19	rnd 7	type Rapid	result 1
		Opponent Botha, S (Susan)				Opponent Hemsley, M (Mike)

#	Games	Start				End
1	2	Tournament Fountains Mall Open Tournament 2022				Tournament Fountains Mall Open Tournament 2022
		date 2022-05-14	rnd 3	type Standard	result 1	date 2022-05-14	rnd 4	type Standard	result 1
		Opponent Engelbrecht, J (Jason)				Opponent Gxuluwa, I (Iayazola)
2	1	Tournament SBDCU Fundraiser 2025				Tournament SBDCU Fundraiser 2025
		date 2025-02-01	rnd 5	type Standard	result 1	date 2025-02-01	rnd 5	type Standard	result 1
		Opponent Moos, X (Xavier)				Opponent Moos, X (Xavier)
3	1	Tournament 2025 SBDCU Trial 2 JBay				Tournament 2025 SBDCU Trial 2 JBay
		date 2025-01-25	rnd 3	type Standard	result 1	date 2025-01-25	rnd 3	type Standard	result 1
		Opponent Isaacs, C (Charlton)				Opponent Isaacs, C (Charlton)

#	Games	Start				End
1	3	Tournament Makhanda Open Chess Tournament 2022				Tournament Jeffreys Bay Chess Club Rapid September 2022
		date 2022-04-30	rnd 5	type Rapid	result 1	date 2022-09-22	rnd 2	type Rapid	result 1
		Opponent Hotyo, B (Bhekisisa)				Opponent Krieger, BCJ (Brian)
2	2	Tournament Jeffreys Bay CC Senior vs Aston Bay CC 2024				Tournament Jeffreys Bay CC Senior vs Aston Bay CC 2024
		date 2024-10-19	rnd 6	type Rapid	result 1	date 2024-10-19	rnd 7	type Rapid	result 1
		Opponent Botha, S (Susan)				Opponent Hemsley, M (Mike)
3	2	Tournament Jeffreys Bay CC 2024				Tournament Jeffreys Bay CC Senior vs Aston Bay CC 2024
		date 2024-10-15	rnd 6	type Rapid	result 1	date 2024-10-19	rnd 1	type Rapid	result 1
		Opponent Nhanha, P (Phaphamani)				Opponent Niemann, A (Anette)

#	Games	Start				End
1	3	Tournament Jeffreys Bay CC Closed Blitz Tournament 1 2022				Tournament Jeffreys Bay CC Closed Blitz Tournament 1 2022
		date 2022-04-28	rnd 2	type Blitz	result 1	date 2022-04-28	rnd 4	type Blitz	result 1
		Opponent Stuurman, P (Pedro)				Opponent Potgieter, D (Divan)
2	2	Tournament Jefrreys Bay CC 1st Blitz 2023				Tournament Jefrreys Bay CC 1st Blitz 2023
		date 2023-02-09	rnd 1	type Blitz	result 1	date 2023-02-09	rnd 2	type Blitz	result 1
		Opponent Mcetywa, K (Khanya)				Opponent Smanase, N (Nkosisiphile)
3	1	Tournament Jefrreys Bay CC 1st Blitz 2023				Tournament Jefrreys Bay CC 1st Blitz 2023
		date 2023-02-09	rnd 6	type Blitz	result 1	date 2023-02-09	rnd 6	type Blitz	result 1
		Opponent Barendse, R (Raydon)				Opponent Barendse, R (Raydon)

#	Games	Start				End
1	4	Tournament The Team Battle 2022				Tournament Jefrreys Bay CC 1st Blitz 2023
		date 2022-11-19	rnd 6	type Rapid	result 1	date 2023-02-09	rnd 2	type Blitz	result 1
		Opponent De Lange, V (Vin-Josh)				Opponent Smanase, N (Nkosisiphile)
2	3	Tournament Jeffreys Bay CC Closed Blitz Tournament 1 2022				Tournament Jeffreys Bay CC Closed Blitz Tournament 1 2022
		date 2022-04-28	rnd 2	type Blitz	result 1	date 2022-04-28	rnd 4	type Blitz	result 1
		Opponent Stuurman, P (Pedro)				Opponent Potgieter, D (Divan)
3	2	Tournament Jeffreys Bay CC Senior vs Aston Bay CC 2024				Tournament Jeffreys Bay CC Senior vs Aston Bay CC 2024
		date 2024-10-19	rnd 6	type Rapid	result 1	date 2024-10-19	rnd 7	type Rapid	result 1
		Opponent Botha, S (Susan)				Opponent Hemsley, M (Mike)

#	Games	Start				End
1	2	Tournament Fountains Mall Open Tournament 2022				Tournament Fountains Mall Open Tournament 2022
		date 2022-05-14	rnd 3	type Standard	result 1	date 2022-05-14	rnd 4	type Standard	result 1
		Opponent Engelbrecht, J (Jason)				Opponent Gxuluwa, I (Iayazola)
2	1	Tournament SBDCU Fundraiser 2025				Tournament SBDCU Fundraiser 2025
		date 2025-02-01	rnd 5	type Standard	result 1	date 2025-02-01	rnd 5	type Standard	result 1
		Opponent Moos, X (Xavier)				Opponent Moos, X (Xavier)
3	1	Tournament 2025 SBDCU Trial 2 JBay				Tournament 2025 SBDCU Trial 2 JBay
		date 2025-01-25	rnd 3	type Standard	result 1	date 2025-01-25	rnd 3	type Standard	result 1
		Opponent Isaacs, C (Charlton)				Opponent Isaacs, C (Charlton)

#	Games	Start				End
1	3	Tournament Makhanda Open Chess Tournament 2022				Tournament Jeffreys Bay Chess Club Rapid September 2022
		date 2022-04-30	rnd 5	type Rapid	result 1	date 2022-09-22	rnd 2	type Rapid	result 1
		Opponent Hotyo, B (Bhekisisa)				Opponent Krieger, BCJ (Brian)
2	2	Tournament Jeffreys Bay CC Senior vs Aston Bay CC 2024				Tournament Jeffreys Bay CC Senior vs Aston Bay CC 2024
		date 2024-10-19	rnd 6	type Rapid	result 1	date 2024-10-19	rnd 7	type Rapid	result 1
		Opponent Botha, S (Susan)				Opponent Hemsley, M (Mike)
3	2	Tournament Jeffreys Bay CC 2024				Tournament Jeffreys Bay CC Senior vs Aston Bay CC 2024
		date 2024-10-15	rnd 6	type Rapid	result 1	date 2024-10-19	rnd 1	type Rapid	result 1
		Opponent Nhanha, P (Phaphamani)				Opponent Niemann, A (Anette)

#	Games	Start				End
1	3	Tournament Jeffreys Bay CC Closed Blitz Tournament 1 2022				Tournament Jeffreys Bay CC Closed Blitz Tournament 1 2022
		date 2022-04-28	rnd 2	type Blitz	result 1	date 2022-04-28	rnd 4	type Blitz	result 1
		Opponent Stuurman, P (Pedro)				Opponent Potgieter, D (Divan)
2	2	Tournament Jefrreys Bay CC 1st Blitz 2023				Tournament Jefrreys Bay CC 1st Blitz 2023
		date 2023-02-09	rnd 1	type Blitz	result 1	date 2023-02-09	rnd 2	type Blitz	result 1
		Opponent Mcetywa, K (Khanya)				Opponent Smanase, N (Nkosisiphile)
3	1	Tournament Jefrreys Bay CC 1st Blitz 2023				Tournament Jefrreys Bay CC 1st Blitz 2023
		date 2023-02-09	rnd 6	type Blitz	result 1	date 2023-02-09	rnd 6	type Blitz	result 1
		Opponent Barendse, R (Raydon)				Opponent Barendse, R (Raydon)

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	Abercrombie ,KV (Keith Vernin)	4	0	-425	2	0	-425	2	0	-425	0	0	0
1	Abercrombie ,KV (Keith Vernin)	4	1306.2	881.2	2	1295.2	881.2	2	1352.6	881.2	0	0	0
2	Stuurman ,P (Pedro)	3	1	-141.7	0	0	0	2	0	-425	1	1	425
2	Stuurman ,P (Pedro)	3	1494.8	1353.1	0	0	0	2	1487.5	1069.8	1	1200	1919.8
3	Magadla ,L (Lathitha)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Magadla ,L (Lathitha)	2	1398.7	973.7	2	1375.9	973.7	0	0	0	0	0	0
4	Janse Van Rensburg ,S (San-Marie)	2	0	-425	1	0	-425	1	0	-425	0	0	0
4	Janse Van Rensburg ,S (San-Marie)	2	1227.9	802.9	1	1229.4	802.9	1	1233.5	802.9	0	0	0
5	Meyer ,J (Jarque)	2	2	425	1	1	425	1	1	425	0	0	0
5	Meyer ,J (Jarque)	2	1218.3	1643.3	1	1223.4	1643.3	1	1128	1643.3	0	0	0
6	Rishworth ,J (Justin)	2	0	-425	1	0	-425	1	0	-425	0	0	0
6	Rishworth ,J (Justin)	2	1510.6	1085.6	1	1521.4	1085.6	1	1613.8	1085.6	0	0	0
7	Moos ,X (Xavier)	2	1	0	1	1	425	0	0	0	1	0	-425
7	Moos ,X (Xavier)	2	1584.1	1584.1	1	1510.9	2009.1	0	0	0	1	1290.8	1159.1
8	Krieger ,BCJ (Brian)	2	1	0	0	0	0	2	1	0	0	0	0
8	Krieger ,BCJ (Brian)	2	1319.1	1319.1	0	0	0	2	1309.4	1319.1	0	0	0
9	Maziena ,L (Lavanya)	2	1	0	0	0	0	2	1	0	0	0	0
9	Maziena ,L (Lavanya)	2	1246.1	1246.1	0	0	0	2	1313.8	1246.1	0	0	0
10	Persent ,G (Gavin)	2	0	-425	0	0	0	1	0	-425	1	0	-425
10	Persent ,G (Gavin)	2	1401.7	976.7	0	0	0	1	1616.5	976.7	1	970.2	976.7

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Booysen, L (Leon)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms