Chess South Africa Ratings Database

PLAYER PAGE

Personal

Potts, L (Lyall)

Chess SA id

1100147359

FIDE id

Date of birth

2010-09-20 (U16)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-26

Personal details last changed

1900-01-01

Junior GPX Games

20.7

Junior GPX Points

1106.3

Item	Main	Standard	Rapid	Blitz
Rating	1142.9	1149.3	1077.2	1200
Raw rating	1141.8	1148.1	1077.2	1200
Weighted rating	1142.9	1149.3	1076.9	1200
Weighted performance	1042.8	1048.8	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	180.1	178.5	197.5	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2020-01-01	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.1	0	0	0
New rating	1143	1149.3	1077.2	1200
Analysis
Rating	1142.9	1149.3	1077.2	1200
Raw rating	1141.8	1148.1	1077.2	1200
Weighted rating	1142.9	1149.3	1076.9
Weighted performance	1042.8	1048.8	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	180.1	178.5	197.5	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	1141.8	1148.1	1077.2	1200
New weighted rating	1143	1149.3	1076.9	1200
New weighted performance	1042.5	1048.5	0	0
Temp new rating	1143	1149.3	1077.2	1200
Temp new rating +/-	0.1	0	0	0
Final new rating +/-	0.1	0	0	0
New rating	1143	1149.3	1077.2	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	19	19	0
	20	15	5
	19	19	0
	5	0	5
	0	0	0
History	63	53	10

Games since
	Main 39	Standard 34		Rapid 5		Blitz 0
Gender	Male
Age group	U16
Region	Eden (WEG)
Province	Western Cape (WC)
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	4200		1178		431
Male	3108		781		277
U16	674		207		81
U16 Male	470		130		55
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	19	6	31.58	-156.6	1287.2	1130.6
Standard	19	6	31.58	-156.6	1287.2	1130.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	63	19.5	30.95	-161.9	1263.8	1101.9
Standard	53	18	33.96	-136.3	1268.2	1131.9
Rapid	10	1.5	15	-297.5	1240.8	943.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1141.8	1148.1	1077.2	1200
2025-09-01	1141.8	1148.1	1077.2	1200
2025-08-01	1141.8	1148.1	1077.2	1200
2025-07-01	1148.7	1155.6	1077.2	1200
2025-06-01	1148.7	1155.6	1077.2	1200
2025-05-01	1148.7	1155.6	1077.2	1200
2025-04-01	1148.7	1155.6	1077.2	1200
2025-03-01	1145.8	1151.3	1077.2	1200
2025-02-01	1140.7	1146.8	1076.9	1200
2025-01-01	1140.7	1146.8	1071.6	1200
2024-12-01	1140.7	1146.8	1071.6	1200
2024-11-01	1140.7	1146.8	1071.6	1200
2024-10-01	1140.9	1146.8	1079.2	1200
2024-09-01	1140.9	1146.8	1079.2	1200
2024-08-01	1140.9	1146.8	1079.2	1200
2024-07-01	1140.9	1146.8	1079.2	1200
2024-06-01	1140.9	1146.8	1079.2	1200
2024-08-01	1140.9	1146.8	1079.2	1200
2024-04-01	1140.9	1146.8	1079.2	1200
2024-03-01	1121	1122.4	1079.2	1200
2024-02-01	1137.6	1149.6	1079.2	1200
2024-01-01	1137.6	1149.6	1079.2	1200
2023-12-01	1137.6	1149.6	1079.2	1200
2023-11-01	1137.6	1149.6	1079.2	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	George Top Schools 2025 (U15)	2025-07-26	2025-07-26	Standard	Eden (WEG)	5	4	0.5	Yes	Analysis
2	George Schools Chess Trials 3 2025 (U15 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	2	Yes	Analysis
3	George Schools Chess Trials 2 2025 (U15 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	2	Yes	Analysis
4	George Schools Chess Trials 1 2025 (U15 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	1.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	George Top Schools 2025 (U15)	2025-07-26	2025-07-26	Standard	Eden (WEG)	5	4	0.5	Yes	Analysis
2	George Schools Chess Trials 3 2025 (U15 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	2	Yes	Analysis
3	George Schools Chess Trials 2 2025 (U15 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	2	Yes	Analysis
4	George Schools Chess Trials 1 2025 (U15 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	1.5	Yes	Analysis
5	George Suid Senior Skaaktoernooi 2024	2024-10-26	2024-10-26	Rapid	Eden (WEG)	5	5	1.5	Yes	Analysis
6	George Schools Trials 3 2024 (U15 Boys)	2024-03-02	2024-03-02	Standard	Eden (WEG)	5	5	2	Yes	Analysis
7	George Schools Trials 2 2024 (U15 Boys)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	5	1	Yes	Analysis
8	George Schools Trials 1 2024 (U15 Boys)	2024-02-03	2024-02-03	Standard	Eden (WEG)	5	5	2	Yes	Analysis
9	Top Schools 2023 (U13)	2023-07-29	2023-07-29	Standard	Eden (WEG)	5	4	2	Yes	Analysis
10	George Chess Trials 3 2023 (U13 Boys)	2023-02-25	2023-02-25	Standard	Eden (WEG)	5	5	1	Yes	Analysis
11	George Chess Trials 2 2023 (U13 Boys)	2023-02-11	2023-02-11	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
12	George Chess Trials 1 2023 (U13 Boys)	2023-01-28	2023-01-28	Standard	Eden (WEG)	5	5	2	Yes	Analysis
13	George-Suid Senior Skaaktoernooi 2022	2022-10-22	2022-10-22	Rapid	Eden (WEG)	5	5	0	Yes	Analysis

#	Games	Start				End
1	2	Tournament George Schools Chess Trials 1 2025				Tournament George Schools Chess Trials 1 2025
		date 2025-02-01	rnd 2	type Standard	result 0.5	date 2025-02-01	rnd 3	type Standard	result 1
		Opponent Gallant, M (Mason)				Opponent Volontiya, S (Sidima)
2	2	Tournament Top Schools 2023				Tournament Top Schools 2023
		date 2023-07-29	rnd 2	type Standard	result 1	date 2023-07-29	rnd 3	type Standard	result 1
		Opponent Boom, D (Diego)				Opponent Fivaz, A (Altus)
3	2	Tournament George Chess Trials 1 2023				Tournament George Chess Trials 1 2023
		date 2023-01-28	rnd 3	type Standard	result 1	date 2023-01-28	rnd 4	type Standard	result 0.5
		Opponent Van Aardt, M (Malan)				Opponent Cleophas, C (Connor)

#	Games	Start				End
1	2	Tournament George Schools Chess Trials 1 2025				Tournament George Schools Chess Trials 1 2025
		date 2025-02-01	rnd 2	type Standard	result 0.5	date 2025-02-01	rnd 3	type Standard	result 1
		Opponent Gallant, M (Mason)				Opponent Volontiya, S (Sidima)
2	2	Tournament Top Schools 2023				Tournament Top Schools 2023
		date 2023-07-29	rnd 2	type Standard	result 1	date 2023-07-29	rnd 3	type Standard	result 1
		Opponent Boom, D (Diego)				Opponent Fivaz, A (Altus)
3	2	Tournament George Chess Trials 1 2023				Tournament George Chess Trials 1 2023
		date 2023-01-28	rnd 3	type Standard	result 1	date 2023-01-28	rnd 4	type Standard	result 0.5
		Opponent Van Aardt, M (Malan)				Opponent Cleophas, C (Connor)

#	Games	Start				End
1	1	Tournament George Suid Senior Skaaktoernooi 2024				Tournament George Suid Senior Skaaktoernooi 2024
		date 2024-10-26	rnd 4	type Rapid	result 0.5	date 2024-10-26	rnd 4	type Rapid	result 0.5
		Opponent Montsheng, K (Kendrick)				Opponent Montsheng, K (Kendrick)
2	1	Tournament George Suid Senior Skaaktoernooi 2024				Tournament George Suid Senior Skaaktoernooi 2024
		date 2024-10-26	rnd 2	type Rapid	result 1	date 2024-10-26	rnd 2	type Rapid	result 1
		Opponent Ruiters, L (Liam)				Opponent Ruiters, L (Liam)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Top Schools 2023				Tournament Top Schools 2023
		date 2023-07-29	rnd 2	type Standard	result 1	date 2023-07-29	rnd 3	type Standard	result 1
		Opponent Boom, D (Diego)				Opponent Fivaz, A (Altus)
2	1	Tournament George Schools Chess Trials 3 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-03-01	rnd 5	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Joyi, S (Sanele)				Opponent Joyi, S (Sanele)
3	1	Tournament George Schools Chess Trials 3 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-01	rnd 3	type Standard	result 1
		Opponent Van der Merwe, E (Evan)				Opponent Van der Merwe, E (Evan)

#	Games	Start				End
1	2	Tournament Top Schools 2023				Tournament Top Schools 2023
		date 2023-07-29	rnd 2	type Standard	result 1	date 2023-07-29	rnd 3	type Standard	result 1
		Opponent Boom, D (Diego)				Opponent Fivaz, A (Altus)
2	1	Tournament George Schools Chess Trials 3 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-03-01	rnd 5	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Joyi, S (Sanele)				Opponent Joyi, S (Sanele)
3	1	Tournament George Schools Chess Trials 3 2025				Tournament George Schools Chess Trials 3 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-01	rnd 3	type Standard	result 1
		Opponent Van der Merwe, E (Evan)				Opponent Van der Merwe, E (Evan)

#	Games	Start				End
1	1	Tournament George Suid Senior Skaaktoernooi 2024				Tournament George Suid Senior Skaaktoernooi 2024
		date 2024-10-26	rnd 2	type Rapid	result 1	date 2024-10-26	rnd 2	type Rapid	result 1
		Opponent Ruiters, L (Liam)				Opponent Ruiters, L (Liam)

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	Louw ,L (Luke)	4	0	-425	4	0	-425	0	0	0	0	0	0
1	Louw ,L (Luke)	4	1240	815	4	1245.6	815	0	0	0	0	0	0
2	Goliath ,J (Jaywin)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Goliath ,J (Jaywin)	2	1324.3	899.3	2	1368.6	899.3	0	0	0	0	0	0
3	Stander ,J (Jack)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Stander ,J (Jack)	2	1200	775	2	1200	775	0	0	0	0	0	0
4	Cleophas ,C (Connor)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
4	Cleophas ,C (Connor)	2	1174.9	962.4	2	1190.2	962.4	0	0	0	0	0	0
5	Joyi ,S (Sanele)	2	2	425	2	2	425	0	0	0	0	0	0
5	Joyi ,S (Sanele)	2	1141.3	1566.3	2	1133.7	1566.3	0	0	0	0	0	0
6	Rondganger ,Z (Zayden)	2	2	425	2	2	425	0	0	0	0	0	0
6	Rondganger ,Z (Zayden)	2	1149.2	1574.2	2	1138.8	1574.2	0	0	0	0	0	0
7	Warren ,B (Brian)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Warren ,B (Brian)	2	1314.2	889.2	2	1317.6	889.2	0	0	0	0	0	0
8	Stamrood ,K (Kyle)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Stamrood ,K (Kyle)	2	1293.7	868.7	2	1292.6	868.7	0	0	0	0	0	0
9	Gallant ,M (Mason)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
9	Gallant ,M (Mason)	2	1233.2	1020.8	2	1240.8	1020.8	0	0	0	0	0	0
10	Van der Merwe ,E (Evan)	2	2	425	2	2	425	0	0	0	0	0	0
10	Van der Merwe ,E (Evan)	2	1196.7	1621.7	2	1195.9	1621.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Potts, L (Lyall)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms