Chess South Africa Ratings Database

PLAYER PAGE

Personal

Isaac, L (Lorna)

Chess SA id

1000159305

FIDE id

Date of birth

2000-11-17 (Adult)

Gender

Male

Region

Amathole (EAL)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-05-19

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1166.1	1167.1	1189.8	1200
Raw rating	1166.1	1167.1	1189.8	1200
Weighted rating	1165.3	1166.5	1188.5	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	174	173.8	168.2	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 2019-12-01	1200 2024-03-01	1200 2024-03-01
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 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1166.1	1167.1	1189.8	1200
Analysis
Rating	1166.1	1167.1	1189.8	1200
Raw rating	1166.1	1167.1	1189.8	1200
Weighted rating	1165.3	1166.5	1188.5
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	174	173.8	168.2	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	1166.1	1167.1	1189.8	1200
New weighted rating	1165.4	1166.6	1188.5	1200
New weighted performance	0	0	0	0
Temp new rating	1166.1	1167.1	1189.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1166.1	1167.1	1189.8	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	6	0	6
	6	6	0
	0	0	0
	0	0	0
History	12	6	6

Games since
	Main 6	Standard 0		Rapid 6		Blitz 0
Gender	Male
Age group	Adult
Region	Amathole (EAL)
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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	12	3.5	29.17	-177.1	1289.6	1112.5
Standard	6	1	16.67	-283.3	1357.3	1074
Rapid	6	2.5	41.67	-70.8	1221.8	1151
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1166.1	1167.1	1189.8	1200
2025-09-30	1166.1	1167.1	1189.8	1200
2025-09-01	1166.1	1167.1	1189.8	1200
2025-08-01	1166.1	1167.1	1189.8	1200
2025-07-01	1166.1	1167.1	1189.8	1200
2025-06-01	1166.1	1167.1	1189.8	1200
2025-05-01	1166.1	1167.1	1189.8	1200
2025-04-01	1166.1	1167.1	1189.8	1200
2025-03-01	1166.1	1167.1	1189.8	1200
2025-02-01	1166.1	1167.1	1189.6	1200
2025-01-01	1163.4	1165.4	1182.7	1200
2024-12-01	1163.4	1165.4	1182.7	1200
2024-11-01	1163.4	1165.4	1182.7	1200
2024-10-01	1163.4	1165.4	1182.7	1200
2024-09-01	1163.4	1165.4	1182.7	1200
2024-08-01	1163.4	1165.4	1182.7	1200
2024-07-01	1163.4	1165.4	1182.7	1200
2024-09-01	1163.4	1165.4	1182.7	1200
2024-05-01	1165.8	1165.4	1200	1200
2024-04-01	1165.8	1165.4	1200	1200
2024-03-01	1165.8	1165.4	1200	1200
2024-02-01	1165.8	1165.4	1200	1200
2024-01-01	1165.8	1165.4	1200	1200
2023-12-01	1165.8	1165.4	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	WSU Institutional League 2024 (Male)	2024-05-19	2024-05-19	Rapid	Buffalo City (EBC)	6	6	2.5	Yes	Analysis
2	EC Students Team League 2023 (A)	2023-04-22	2023-08-05	Standard	Amathole (EAL)	14	6	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament WSU Institutional League 2024				Tournament WSU Institutional League 2024
		date 2024-05-19	rnd 1	type Rapid	result 0.5	date 2024-05-19	rnd 2	type Rapid	result 1
		Opponent Sikukula, S (Sibabalo)				Opponent Madikane, K (Kamva)
2	1	Tournament WSU Institutional League 2024				Tournament WSU Institutional League 2024
		date 2024-05-19	rnd 4	type Rapid	result 1	date 2024-05-19	rnd 4	type Rapid	result 1
		Opponent Mdladla, L (Lindelani)				Opponent Mdladla, L (Lindelani)
3	1	Tournament EC Students Team League 2023				Tournament EC Students Team League 2023
		date 2023-04-22	rnd 2	type Standard	result 1	date 2023-04-22	rnd 2	type Standard	result 1
		Opponent Stali, B (Bandile)				Opponent Stali, B (Bandile)

#	Games	Start				End
1	1	Tournament EC Students Team League 2023				Tournament EC Students Team League 2023
		date 2023-04-22	rnd 2	type Standard	result 1	date 2023-04-22	rnd 2	type Standard	result 1
		Opponent Stali, B (Bandile)				Opponent Stali, B (Bandile)

#	Games	Start				End
1	2	Tournament WSU Institutional League 2024				Tournament WSU Institutional League 2024
		date 2024-05-19	rnd 1	type Rapid	result 0.5	date 2024-05-19	rnd 2	type Rapid	result 1
		Opponent Sikukula, S (Sibabalo)				Opponent Madikane, K (Kamva)
2	1	Tournament WSU Institutional League 2024				Tournament WSU Institutional League 2024
		date 2024-05-19	rnd 4	type Rapid	result 1	date 2024-05-19	rnd 4	type Rapid	result 1
		Opponent Mdladla, L (Lindelani)				Opponent Mdladla, L (Lindelani)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament WSU Institutional League 2024				Tournament WSU Institutional League 2024
		date 2024-05-19	rnd 4	type Rapid	result 1	date 2024-05-19	rnd 4	type Rapid	result 1
		Opponent Mdladla, L (Lindelani)				Opponent Mdladla, L (Lindelani)
2	1	Tournament WSU Institutional League 2024				Tournament WSU Institutional League 2024
		date 2024-05-19	rnd 2	type Rapid	result 1	date 2024-05-19	rnd 2	type Rapid	result 1
		Opponent Madikane, K (Kamva)				Opponent Madikane, K (Kamva)
3	1	Tournament EC Students Team League 2023				Tournament EC Students Team League 2023
		date 2023-04-22	rnd 2	type Standard	result 1	date 2023-04-22	rnd 2	type Standard	result 1
		Opponent Stali, B (Bandile)				Opponent Stali, B (Bandile)

#	Games	Start				End
1	1	Tournament EC Students Team League 2023				Tournament EC Students Team League 2023
		date 2023-04-22	rnd 2	type Standard	result 1	date 2023-04-22	rnd 2	type Standard	result 1
		Opponent Stali, B (Bandile)				Opponent Stali, B (Bandile)

#	Games	Start				End
1	1	Tournament WSU Institutional League 2024				Tournament WSU Institutional League 2024
		date 2024-05-19	rnd 4	type Rapid	result 1	date 2024-05-19	rnd 4	type Rapid	result 1
		Opponent Mdladla, L (Lindelani)				Opponent Mdladla, L (Lindelani)
2	1	Tournament WSU Institutional League 2024				Tournament WSU Institutional League 2024
		date 2024-05-19	rnd 2	type Rapid	result 1	date 2024-05-19	rnd 2	type Rapid	result 1
		Opponent Madikane, K (Kamva)				Opponent Madikane, K (Kamva)

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	Tokoyi ,R (Romeo)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Tokoyi ,R (Romeo)	1	1602.6	1177.6	1	1629.8	1177.6	0	0	0	0	0	0
2	Khoza ,T (Thabiso)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Khoza ,T (Thabiso)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Centane ,L (Ludwe)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Centane ,L (Ludwe)	1	1219.5	794.5	1	1226.6	794.5	0	0	0	0	0	0
4	Magxala ,T (Talent)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Magxala ,T (Talent)	1	1358.9	933.9	1	1355.7	933.9	0	0	0	0	0	0
5	Nkatana ,P (Philasande)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Nkatana ,P (Philasande)	1	1472.1	1047.1	1	1475.5	1047.1	0	0	0	0	0	0
6	Stali ,B (Bandile)	1	1	425	1	1	425	0	0	0	0	0	0
6	Stali ,B (Bandile)	1	1290.5	1715.5	1	1312	1715.5	0	0	0	0	0	0
7	Madikane ,K (Kamva)	1	1	425	0	0	0	1	1	425	0	0	0
7	Madikane ,K (Kamva)	1	1276.4	1701.4	0	0	0	1	1218	1701.4	0	0	0
8	Chauke ,V (Vutshila)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Chauke ,V (Vutshila)	1	1200	775	0	0	0	1	1200	775	0	0	0
9	Sikukula ,S (Sibabalo)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
9	Sikukula ,S (Sibabalo)	1	1200	1200	0	0	0	1	1200	1200	0	0	0
10	Mbopha ,N (Ntlantla)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Mbopha ,N (Ntlantla)	1	1254.1	829.1	0	0	0	1	1198.5	829.1	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Isaac, L (Lorna)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms