Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jansen, L (Leeroy)

Chess SA id

1950147037

FIDE id

Date of birth

1995-06-11 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1354.5	1328	1320.9	1300
Raw rating	1354.5	1328	1320.9	1300
Weighted rating	1291.5	1254.5	1316	1299.7
Weighted performance	0	0	0	0
Floor	854.5	828	820.9	800
K-factor	36	36	36	36
Min/Max rating change allowed	133.1	138.2	139.6	143.8
Highest rating	1354.5 2025-11-01	1328 2025-11-01	1377.8 2024-11-01	1300 2024-02-01
Highest raw rating	1354.5 2025-11-01	1328 2025-11-01	1320.9 2024-11-01	1300 2024-02-01
Highest weighted rating	1291.5 2025-11-01	1254.5 2025-11-01	1310.3 2025-08-01	1296.7 2025-08-01
Highest weighted performance	1295.8 2024-09-01	1278.2 2022-10-01	1377.8 2024-11-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1354.5	1328	1320.9	1300
Analysis
Rating	1354.5	1328	1320.9	1300
Raw rating	1354.5	1328	1320.9	1300
Weighted rating	1291.5	1254.5	1316
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	854.5	828	820.9	800
Max/Min rating change allowed	133.1	138.2	139.6	143.8
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	1354.5	1328	1320.9	1300
New weighted rating	1297.5	1261.1	1317.1	1300
New weighted performance	0	0	0	0
Temp new rating	1354.5	1328	1320.9	1300
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1354.5	1328	1320.9	1300
New K-factor	36	36	36	36
New floor	854.5	828	820.9	800

Item	Main	Standard	Rapid
	0	0	0
	6	6	0
	8	3	5
	0	0	0
	6	6	0
	0	0	0
History	20	15	5

Games since
	Main 14	Standard 9		Rapid 5		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
Province	Western Cape (WC)
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	6	5	83.33	283.3	1285.7	1569
Standard	6	5	83.33	283.3	1285.7	1569
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	20	14	70	170	1255.8	1425.8
Standard	15	10.5	70	170	1267.5	1437.5
Rapid	5	3.5	70	170	1220.4	1390.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1354.5	1328	1320.9	1300
2025-09-30	1293.7	1253.5	1320.9	1300
2025-09-01	1293.7	1253.5	1320.9	1300
2025-08-01	1293.7	1253.5	1320.9	1300
2025-07-01	1293.7	1253.5	1320.9	1300
2025-06-01	1293.7	1253.5	1320.9	1300
2025-05-01	1293.7	1253.5	1320.9	1300
2025-04-01	1293.7	1253.5	1320.9	1300
2025-03-01	1293.7	1253.5	1320.9	1300
2025-02-01	1293.7	1253.5	1320.9	1300
2025-01-01	1293.7	1253.5	1320.9	1300
2024-12-01	1293.7	1253.5	1320.9	1300
2024-11-01	1293.7	1253.5	1320.9	1300
2024-10-01	1282.4	1253.5	1300	1300
2024-09-01	1258	1226.5	1300	1300
2024-08-01	1258	1226.5	1300	1300
2024-07-01	1258	1226.5	1300	1300
2024-09-01	1258	1226.5	1300	1300
2024-05-01	1258	1226.5	1300	1300
2024-04-01	1258	1226.5	1300	1300
2024-03-01	1258	1226.5	1300	1300
2024-02-01	1258	1226.5	1300	1300
2024-01-01	1258	1226.5	1300	1300
2023-12-01	1222.3	1222	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	Cape Town Chess Federation Club League 2025 (E)	2025-08-16	2025-08-23	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Town Chess Federation Club League 2025 (E)	2025-08-16	2025-08-23	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis
2	Spring Slam 2024 (B)	2024-10-05	2024-10-05	Rapid	Cape Town (WCT)	6	5	3.5	Yes	Analysis
3	CT League 2024 (D)	2024-08-03	2024-08-03	Standard	Cape Town (WCT)	6	3	2.5	Yes	Analysis
4	2022 Western Province Club League (D)	2022-08-27	2022-10-01	Standard	Cape Town (WCT)	7	6	3	Yes	Analysis

#	Games	Start				End
1	7	Tournament CT League 2024				Tournament Spring Slam 2024
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-10-05	rnd 5	type Rapid	result 1
		Opponent Laloo, J (Jody)				Opponent Moyo, T (Tsulufelo)
2	3	Tournament Cape Town Chess Federation Club League 2025				Tournament Cape Town Chess Federation Club League 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Budge, R (Richard)				Opponent Ntshani, D (Duncan)
3	2	Tournament Cape Town Chess Federation Club League 2025				Tournament Cape Town Chess Federation Club League 2025
		date 2025-08-23	rnd 5	type Standard	result 1	date 2025-08-23	rnd 6	type Standard	result 1
		Opponent Raubenheimer, R (Romeo)				Opponent Johnson, B (Brian)

#	Games	Start				End
1	3	Tournament CT League 2024				Tournament CT League 2024
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Laloo, J (Jody)				Opponent Van Rensburg, R (Ruben)
2	2	Tournament 2022 Western Province Club League				Tournament 2022 Western Province Club League
		date 2022-09-17	rnd 4	type Standard	result 1	date 2022-09-17	rnd 5	type Standard	result 1
		Opponent Naude, J (Jan-Daniel)				Opponent Smith, S (Shiloh)
3	1	Tournament 2022 Western Province Club League				Tournament 2022 Western Province Club League
		date 2022-08-27	rnd 1	type Standard	result 1	date 2022-08-27	rnd 1	type Standard	result 1
		Opponent Nazo, L (Lathitha)				Opponent Nazo, L (Lathitha)

#	Games	Start				End
1	4	Tournament Spring Slam 2024				Tournament Spring Slam 2024
		date 2024-10-05	rnd 2	type Rapid	result 1	date 2024-10-05	rnd 5	type Rapid	result 1
		Opponent Smit, M (Mario)				Opponent Moyo, T (Tsulufelo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament CT League 2024				Tournament Spring Slam 2024
		date 2024-08-03	rnd 3	type Standard	result 1	date 2024-10-05	rnd 3	type Rapid	result 1
		Opponent Van Rensburg, R (Ruben)				Opponent Jansen Van Rensburg, K (Kian)
2	2	Tournament 2022 Western Province Club League				Tournament 2022 Western Province Club League
		date 2022-09-17	rnd 4	type Standard	result 1	date 2022-09-17	rnd 5	type Standard	result 1
		Opponent Naude, J (Jan-Daniel)				Opponent Smith, S (Shiloh)
3	1	Tournament Spring Slam 2024				Tournament Spring Slam 2024
		date 2024-10-05	rnd 5	type Rapid	result 1	date 2024-10-05	rnd 5	type Rapid	result 1
		Opponent Moyo, T (Tsulufelo)				Opponent Moyo, T (Tsulufelo)

#	Games	Start				End
1	2	Tournament 2022 Western Province Club League				Tournament 2022 Western Province Club League
		date 2022-09-17	rnd 4	type Standard	result 1	date 2022-09-17	rnd 5	type Standard	result 1
		Opponent Naude, J (Jan-Daniel)				Opponent Smith, S (Shiloh)
2	1	Tournament CT League 2024				Tournament CT League 2024
		date 2024-08-03	rnd 3	type Standard	result 1	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Van Rensburg, R (Ruben)				Opponent Van Rensburg, R (Ruben)
3	1	Tournament CT League 2024				Tournament CT League 2024
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-03	rnd 1	type Standard	result 1
		Opponent Laloo, J (Jody)				Opponent Laloo, J (Jody)

#	Games	Start				End
1	2	Tournament Spring Slam 2024				Tournament Spring Slam 2024
		date 2024-10-05	rnd 2	type Rapid	result 1	date 2024-10-05	rnd 3	type Rapid	result 1
		Opponent Smit, M (Mario)				Opponent Jansen Van Rensburg, K (Kian)
2	1	Tournament Spring Slam 2024				Tournament Spring Slam 2024
		date 2024-10-05	rnd 5	type Rapid	result 1	date 2024-10-05	rnd 5	type Rapid	result 1
		Opponent Moyo, T (Tsulufelo)				Opponent Moyo, T (Tsulufelo)

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	Fritz ,T (Tegan)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Fritz ,T (Tegan)	1	1500.3	1075.3	1	1499.5	1075.3	0	0	0	0	0	0
2	Van Kerwel ,K (Keanu)	1	1	425	1	1	425	0	0	0	0	0	0
2	Van Kerwel ,K (Keanu)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Budge ,R (Richard)	1	1	425	1	1	425	0	0	0	0	0	0
3	Budge ,R (Richard)	1	1159.7	1584.7	1	1119.3	1584.7	0	0	0	0	0	0
4	Zungu ,S (Simphiwe)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Zungu ,S (Simphiwe)	1	1282.6	1282.6	1	1196.8	1282.6	0	0	0	0	0	0
5	Nazo ,L (Lathitha)	1	1	425	1	1	425	0	0	0	0	0	0
5	Nazo ,L (Lathitha)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Laloo ,J (Jody)	1	1	425	1	1	425	0	0	0	0	0	0
6	Laloo ,J (Jody)	1	1104.8	1529.8	1	1076.7	1529.8	0	0	0	0	0	0
7	Van Rensburg ,R (Ruben)	1	1	425	1	1	425	0	0	0	0	0	0
7	Van Rensburg ,R (Ruben)	1	1166.1	1591.1	1	1158.4	1591.1	0	0	0	0	0	0
8	Ntshani ,D (Duncan)	1	1	425	1	1	425	0	0	0	0	0	0
8	Ntshani ,D (Duncan)	1	1208.3	1633.3	1	1207.2	1633.3	0	0	0	0	0	0
9	Hartley ,E (Ebraheem)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Hartley ,E (Ebraheem)	1	1151.9	726.9	1	1162.8	726.9	0	0	0	0	0	0
10	Raubenheimer ,R (Romeo)	1	1	425	1	1	425	0	0	0	0	0	0
10	Raubenheimer ,R (Romeo)	1	1383.9	1808.9	1	1383.8	1808.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Jansen, L (Leeroy)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms