Chess South Africa Ratings Database

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Personal

Strydom, L (Leyan)

Chess SA id

1090118195

FIDE id

Date of birth

2009-09-19 (U18)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-12-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1275.8	1294	1158.1	1156.6
Raw rating	1275.8	1294	1158.1	1114.3
Weighted rating	1252.6	1260.9	1156.9	1156.6
Weighted performance	1192.4	1227.7	0	0
Floor	814.6	809.5	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	148.9	145	176	187.4
Highest rating	1328.8 2022-08-01	1323.6 2022-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1314.6 2022-09-01	1309.5 2022-09-01	1200 2020-01-01	1200 2020-01-01
Highest weighted rating	1314.6 2024-02-01	1309.5 2024-01-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1328.8 2022-08-01	1323.6 2022-08-01	1200 2020-01-01	1200 2020-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	-3.6
New rating	1275.8	1294	1158.1	1153
Analysis
Rating	1275.8	1294	1158.1	1156.6
Raw rating	1275.8	1294	1158.1	1114.3
Weighted rating	1252.6	1260.9	1156.9
Weighted performance	1192.4	1227.7	0
K-factor	36	36	36	36
Floor	814.6	809.5	700	700
Max/Min rating change allowed	148.9	145	176	187.4
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	1275.8	1294	1158.1	1114.3
New weighted rating	1255.1	1264.6	1156.9	1153
New weighted performance	1184.3	1219.2	0	0
Temp new rating	1275.8	1294	1158.1	1153
Temp new rating +/-	0	0	0	-3.6
Final new rating +/-	0	0	0	-3.6
New rating	1275.8	1294	1158.1	1153
New K-factor	36	36	36	36
New floor	814.6	809.5	700	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	23	15	0	8
	23	10	5	8
	15	10	5	0
	68	50	11	7
	10	10	0	0
History	144	100	21	23

Games since
	Main 46	Standard 25		Rapid 5		Blitz 16
Gender	Male
Age group	U18
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	3544		1173		196
Male	2732		904		142
U18	536		194		35
U18 Male	438		156		25
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	557		177		15
Male	486		149		14
U18	74		27		1
U18 Male	63		22		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	23	10	43.48	-55.4	1296.7	1241.3
Standard	15	8	53.33	28.3	1287.5	1315.8
Rapid	0	0	0	0	0	0
Blitz	8	2	25	-212.5	1314.1	1101.6
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	144	65.5	45.49	-38.4	1272.2	1233.8
Standard	100	48	48	-17	1276.5	1259.5
Rapid	21	8.5	40.48	-81	1222.2	1141.2
Blitz	23	9	39.13	-92.4	1299.3	1206.9

Date	Main	Standard	Rapid	Blitz
2026-01-01	1275.8	1294	1158.1	1114.3
2025-11-30	1271.4	1294.8	1158.1	1114.3
2025-11-01	1271.4	1294.8	1158.1	1114.3
2025-09-30	1286.2	1294.8	1158.1	1170.8
2025-09-01	1286.2	1294.8	1158.1	1170.8
2025-08-01	1263.9	1271.3	1158.1	1170.8
2025-07-01	1263.9	1271.3	1158.1	1170.8
2025-06-01	1263.9	1271.3	1158.1	1170.8
2025-05-01	1235	1237.7	1158.1	1170.8
2025-04-01	1235	1237.7	1158.1	1170.8
2025-03-01	1234.9	1237.7	1158.1	1170.8
2025-02-01	1235	1238.9	1156.7	1170.8
2025-01-01	1209.9	1222.7	1137.2	1170.8
2024-12-01	1209.9	1222.7	1137.2	1170.8
2024-11-01	1209.9	1222.7	1137.2	1170.8
2024-10-01	1230.6	1222.7	1165.6	1170.8
2024-09-01	1230.6	1222.7	1165.6	1170.8
2024-11-01	1230.6	1222.7	1165.6	1170.8
2024-07-01	1230.4	1222.7	1165.6	1153.2
2024-06-01	1230.4	1222.7	1165.6	1153.2
2024-05-01	1230.4	1222.7	1165.6	1153.2
2024-04-01	1230.4	1222.7	1165.6	1153.2
2024-03-01	1230.4	1222.7	1165.6	1153.2
2024-02-01	1261.8	1271.3	1165.6	1153.2

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	Gauteng Inter-Region at Emerald Resort 2025 (U16+18 Candidates)	2025-12-06	2025-12-07	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
2	Goue Liga Blitz 2025	2025-10-25	2025-10-25	Blitz	Johannesburg Metro (GJM)	9	8	2	Yes	Analysis
3	Ekurhuleni Trials 2025 (C)	2025-07-26	2025-07-26	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
4	Ekurhuleni Trials 2025 (C)	2025-05-24	2025-05-24	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
5	Grey College Team Championship 2025 (A)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
6	Gauteng Top Schools 2024 (U17 Open)	2024-10-05	2024-10-05	Rapid	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis
7	Helpmekaar Kollege Blitz Chess Invitational 2024 (A)	2024-07-27	2024-07-27	Blitz	Johannesburg Metro (GJM)	9	8	4	Yes	Analysis
8	Grey College Team Championship 2024 (A)	2024-02-23	2024-02-24	Standard	Mangaung (FMB)	5	5	1	Yes	Analysis
9	2024 Gauteng Inter-Region Chess Championship (U16B)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
10	Ekurhuleni Chess Trial 3 2023 (U16)	2023-06-17	2023-06-17	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
11	Gauteng Open Arnold Classic 2023 (U16)	2023-05-19	2023-05-19	Rapid	Tshwane (GTP)	5	5	3	Yes	Analysis
12	Ekurhuleni Trials 2 2023 (U16)	2023-04-22	2023-04-22	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
13	2022 South African Junior Team Chess Championships (U14 Open)	2022-12-04	2022-12-08	Standard	4 Knights (4K)	7	7	3.5	Yes	Analysis
14	2022 South Africa Junior Blitz Chess Championships (U14)	2022-12-05	2022-12-05	Blitz	4 Knights (4K)	7	7	3	Yes	Analysis
15	Super 8 Skaak 2022 (Seniors)	2022-10-14	2022-10-14	Rapid	Bojanala Platina (NBR)	7	6	3	Yes	Analysis
16	Ekurhuleni Soncini Playoffs 2022 (Boys)	2022-09-24	2022-09-24	Rapid	Ekurhuleni (GE)	5	5	1	Yes	Analysis
17	Ekurhuleni-North Schools Teams 2022 (U13)	2022-08-06	2022-08-06	Standard	Ekurhuleni (GE)	5	4	3	Yes	Analysis
18	JNW Helpmekaar 2022 (Challengers)	2022-07-09	2022-07-09	Standard	Johannesburg Metro (GJM)	5	4	0	Yes	Analysis
19	JMC Trials 1 - Laerskool Fontainebleau 2022 (U14)	2022-07-24	2022-07-24	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
20	Alberton Chess Club Open 2022 (C)	2022-07-16	2022-07-16	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
21	ACB Invitation Chess Tournament 2022 (U11+U13)	2022-06-11	2022-06-11	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
22	Ekurhuleni-North Schools Finals Indiv 2022 (U13 Boys)	2022-05-13	2022-05-13	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
23	Ekurhuleni Trials 1 2022 (U14)	2022-04-23	2022-04-23	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
24	ACB Premier 2022 (Primary School)	2022-03-19	2022-03-19	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
25	2022 Gauteng Interregion (U14 Open)	2022-02-26	2022-02-26	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
26	Ekurhuleni Trials (3)	2021-11-06	2021-11-06	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
27	Ekurhuleni North Schools District Finals 2021 (U13 Boys)	2021-09-11	2021-09-11	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
28	2019 Gauteng School League Finals (U11 Open)	2019-08-23	2019-08-23	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament ACB Premier 2022				Tournament Ekurhuleni Trials 1 2022
		date 2022-03-19	rnd 3	type Standard	result 0.5	date 2022-04-23	rnd 1	type Standard	result 1
		Opponent Negota, K (Khodani)				Opponent Abbott, J (Janco)
2	3	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Gauteng Top Schools 2024
		date 2024-07-27	rnd 8	type Blitz	result 0.5	date 2024-10-05	rnd 1	type Rapid	result 0.5
		Opponent Sheik, M (Mohammed)				Opponent Maloyi, O (Owami John)
3	3	Tournament Ekurhuleni Chess Trial 3 2023				Tournament Ekurhuleni Chess Trial 3 2023
		date 2023-06-17	rnd 3	type Standard	result 1	date 2023-06-17	rnd 5	type Standard	result 0.5
		Opponent Ramakhota, X (Xolani)				Opponent Goncalves, A (Adriano)

#	Games	Start				End
1	4	Tournament Ekurhuleni-North Schools Teams 2022				Tournament 2022 South African Junior Team Chess Championships
		date 2022-08-06	rnd 2	type Standard	result 1	date 2022-12-04	rnd 1	type Standard	result 1
		Opponent Labuschagne, M (Melindie)				Opponent Bosch, E (Elne)
2	4	Tournament ACB Premier 2022				Tournament Ekurhuleni Trials 1 2022
		date 2022-03-19	rnd 3	type Standard	result 0.5	date 2022-04-23	rnd 1	type Standard	result 1
		Opponent Negota, K (Khodani)				Opponent Abbott, J (Janco)
3	3	Tournament Ekurhuleni Chess Trial 3 2023				Tournament Ekurhuleni Chess Trial 3 2023
		date 2023-06-17	rnd 3	type Standard	result 1	date 2023-06-17	rnd 5	type Standard	result 0.5
		Opponent Ramakhota, X (Xolani)				Opponent Goncalves, A (Adriano)

#	Games	Start				End
1	2	Tournament Gauteng Open Arnold Classic 2023				Tournament Gauteng Top Schools 2024
		date 2023-05-19	rnd 5	type Rapid	result 1	date 2024-10-05	rnd 1	type Rapid	result 0.5
		Opponent Jacobs, S (Sidanio)				Opponent Maloyi, O (Owami John)
2	2	Tournament Super 8 Skaak 2022				Tournament Gauteng Open Arnold Classic 2023
		date 2022-10-14	rnd 7	type Rapid	result 1	date 2023-05-19	rnd 1	type Rapid	result 1
		Opponent Van Der Berg, J (Juvan)				Opponent Mohohlo, T (Tiholo)
3	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 3	type Rapid	result 1	date 2024-10-05	rnd 3	type Rapid	result 1
		Opponent De Jager, J (Jandre)				Opponent De Jager, J (Jandre)

#	Games	Start				End
1	2	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 8	type Blitz	result 0.5	date 2024-07-27	rnd 9	type Blitz	result 0.5
		Opponent Sheik, M (Mohammed)				Opponent Sivasundr, A (Aryan)
2	2	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 4	type Blitz	result 1	date 2024-07-27	rnd 5	type Blitz	result 1
		Opponent Daley, S (Sebastian)				Opponent Du Toit, M (Megan)
3	2	Tournament 2022 South Africa Junior Blitz Chess Championships				Tournament 2022 South Africa Junior Blitz Chess Championships
		date 2022-12-05	rnd 5	type Blitz	result 1	date 2022-12-05	rnd 6	type Blitz	result 1
		Opponent Allen, J (Julia)				Opponent Oberholzer, K (Kyle)

#	Games	Start				End
1	3	Tournament Ekurhuleni-North Schools Teams 2022				Tournament Ekurhuleni-North Schools Teams 2022
		date 2022-08-06	rnd 2	type Standard	result 1	date 2022-08-06	rnd 5	type Standard	result 1
		Opponent Labuschagne, M (Melindie)				Opponent Keyser, H (Hendre Etienne)
2	3	Tournament Alberton Chess Club Open 2022				Tournament Alberton Chess Club Open 2022
		date 2022-07-16	rnd 3	type Standard	result 1	date 2022-07-16	rnd 5	type Standard	result 1
		Opponent Moila, K (Kamogelo Ntombi)				Opponent Evans, R (Robyn)
3	3	Tournament ACB Invitation Chess Tournament 2022				Tournament ACB Invitation Chess Tournament 2022
		date 2022-06-11	rnd 1	type Standard	result 1	date 2022-06-11	rnd 3	type Standard	result 1
		Opponent Mkhize, B (Bandile)				Opponent Ramohlohla, L (Lerato Motaso)

#	Games	Start				End
1	4	Tournament Ekurhuleni-North Schools Teams 2022				Tournament 2022 South African Junior Team Chess Championships
		date 2022-08-06	rnd 2	type Standard	result 1	date 2022-12-04	rnd 1	type Standard	result 1
		Opponent Labuschagne, M (Melindie)				Opponent Bosch, E (Elne)
2	3	Tournament Alberton Chess Club Open 2022				Tournament Alberton Chess Club Open 2022
		date 2022-07-16	rnd 3	type Standard	result 1	date 2022-07-16	rnd 5	type Standard	result 1
		Opponent Moila, K (Kamogelo Ntombi)				Opponent Evans, R (Robyn)
3	3	Tournament ACB Invitation Chess Tournament 2022				Tournament ACB Invitation Chess Tournament 2022
		date 2022-06-11	rnd 1	type Standard	result 1	date 2022-06-11	rnd 3	type Standard	result 1
		Opponent Mkhize, B (Bandile)				Opponent Ramohlohla, L (Lerato Motaso)

#	Games	Start				End
1	2	Tournament Super 8 Skaak 2022				Tournament Gauteng Open Arnold Classic 2023
		date 2022-10-14	rnd 7	type Rapid	result 1	date 2023-05-19	rnd 1	type Rapid	result 1
		Opponent Van Der Berg, J (Juvan)				Opponent Mohohlo, T (Tiholo)
2	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 3	type Rapid	result 1	date 2024-10-05	rnd 3	type Rapid	result 1
		Opponent De Jager, J (Jandre)				Opponent De Jager, J (Jandre)
3	1	Tournament Gauteng Open Arnold Classic 2023				Tournament Gauteng Open Arnold Classic 2023
		date 2023-05-19	rnd 5	type Rapid	result 1	date 2023-05-19	rnd 5	type Rapid	result 1
		Opponent Jacobs, S (Sidanio)				Opponent Jacobs, S (Sidanio)

#	Games	Start				End
1	2	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 4	type Blitz	result 1	date 2024-07-27	rnd 5	type Blitz	result 1
		Opponent Daley, S (Sebastian)				Opponent Du Toit, M (Megan)
2	2	Tournament 2022 South Africa Junior Blitz Chess Championships				Tournament 2022 South Africa Junior Blitz Chess Championships
		date 2022-12-05	rnd 5	type Blitz	result 1	date 2022-12-05	rnd 6	type Blitz	result 1
		Opponent Allen, J (Julia)				Opponent Oberholzer, K (Kyle)
3	1	Tournament Helpmekaar Kollege Blitz Chess Invitational 2024				Tournament Helpmekaar Kollege Blitz Chess Invitational 2024
		date 2024-07-27	rnd 2	type Blitz	result 1	date 2024-07-27	rnd 2	type Blitz	result 1
		Opponent Barker, R (Ryan)				Opponent Barker, R (Ryan)

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	Botha ,JCC (Johannes Christiaan Corneli)	3	0	-425	2	0	-425	0	0	0	1	0	-425
1	Botha ,JCC (Johannes Christiaan Corneli)	3	1605.6	1180.6	2	1595.8	1180.6	0	0	0	1	1200	1180.6
2	Greeff ,A (Andries)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Greeff ,A (Andries)	2	1399.4	974.4	2	1389.3	974.4	0	0	0	0	0	0
3	Keyser ,H (Hendre Etienne)	2	1	0	2	1	0	0	0	0	0	0	0
3	Keyser ,H (Hendre Etienne)	2	1297.9	1297.9	2	1308.9	1297.9	0	0	0	0	0	0
4	Goncalves ,A (Adriano)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
4	Goncalves ,A (Adriano)	2	1310.2	1522.7	2	1298	1522.7	0	0	0	0	0	0
5	Bester ,C (Conner)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
5	Bester ,C (Conner)	2	1205.1	1417.6	2	1174.8	1417.6	0	0	0	0	0	0
6	Pillman ,AH (Arthur Hanre)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Pillman ,AH (Arthur Hanre)	2	1170.2	745.2	2	1160.8	745.2	0	0	0	0	0	0
7	Del Grosso ,G (Gianluca Gabriele)	2	1	0	2	1	0	0	0	0	0	0	0
7	Del Grosso ,G (Gianluca Gabriele)	2	1256.8	1256.8	2	1267.4	1256.8	0	0	0	0	0	0
8	Phiri ,M (Mpilenhle Nkazimu)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Phiri ,M (Mpilenhle Nkazimu)	2	1256.7	831.7	2	1264.4	831.7	0	0	0	0	0	0
9	Ramakhota ,X (Xolani)	2	1	0	2	1	0	0	0	0	0	0	0
9	Ramakhota ,X (Xolani)	2	1216.3	1216.3	2	1220.5	1216.3	0	0	0	0	0	0
10	Naidoo ,K (Kirthan)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Naidoo ,K (Kirthan)	2	1462.8	1037.8	2	1440.8	1037.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Strydom, L (Leyan)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms