Chess South Africa Ratings Database

PLAYER PAGE

Personal

Oldjohn, L (Lazola)

Chess SA id

1150302463

FIDE id

Date of birth

2015-01-09 (U12)

Gender

Male

Region

West Rand (GWR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1152.8

Item	Main	Standard	Rapid	Blitz
Rating	1161.5	1153.9	1200	1200
Raw rating	1146.7	1139.3	1200	1200
Weighted rating	1161.5	1153.9	1200	1200
Weighted performance	1101.6	1102.3	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	178.9	180.8	165.8	165.8
Highest rating	1200 2024-04-01	1200 2024-04-01	1200 2024-05-01	1200 2024-05-01
Highest raw rating	1200 2024-04-01	1200 2024-04-01	1200 2024-05-01	1200 2024-05-01
Highest weighted rating	1200 2024-04-01	1200 2024-04-01	1200 2024-05-01	1200 2024-05-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-05-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-1.6	-1.7	0	0
New rating	1159.9	1152.2	1200	1200
Analysis
Rating	1161.5	1153.9	1200	1200
Raw rating	1146.7	1139.3	1200	1200
Weighted rating	1161.5	1153.9	1200
Weighted performance	1101.6	1102.3	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	178.9	180.8	165.8	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	1146.7	1139.3	1200	1200
New weighted rating	1159.9	1152.2	1200	1200
New weighted performance	1095.1	1095.8	0	0
Temp new rating	1159.9	1152.2	1200	1200
Temp new rating +/-	-1.6	-1.7	0	0
Final new rating +/-	-1.6	-1.7	0	0
New rating	1159.9	1152.2	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	25	25
	19	19
	0	0
	0	0
	0	0
History	44	44

Games since
	Main 44	Standard 44		Rapid 0		Blitz 0
Gender	Male
Age group	U12
Region	West Rand (GWR)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	4331		1401		126
Male	3196		1040		94
U12	728		230		28
U12 Male	495		162		19
Standard
	RSA		Province		Region
Overall	4322		1538		156
Male	3187		1152		116
U12	715		263		33
U12 Male	490		187		23
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	25	10.5	42	-68	1219.7	1151.7
Standard	25	10.5	42	-68	1219.7	1151.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	44	17.5	39.77	-86.9	1209.7	1122.7
Standard	44	17.5	39.77	-86.9	1209.7	1122.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1146.7	1139.3	1200	1200
2025-09-30	1184.9	1184.6	1200	1200
2025-09-01	1156.6	1149	1200	1200
2025-08-01	1163.5	1155.7	1200	1200
2025-07-01	1163.5	1155.7	1200	1200
2025-06-01	1188.9	1188.2	1200	1200
2025-05-01	1165.5	1157.9	1200	1200
2025-04-01	1165.5	1157.9	1200	1200
2025-03-01	1165.5	1157.9	1200	1200
2025-02-01	1164.3	1156.4	1200	1200
2025-01-01	1133.9	1119.6	1200	1200
2024-12-01	1133.9	1119.6	1200	1200
2024-11-01	1133.9	1119.6	1200	1200
2024-10-01	1133.9	1119.6	1200	1200
2024-09-01	1133.9	1119.6	1200	1200
2024-08-01	1155.5	1145.6	1200	1200
2024-07-01	1170.4	1164	1200	1200
2024-09-01	1170.4	1164	1200	1200
2024-05-01	1172.4	1164.8	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	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	West Rand Closed 2025 (U12)	2025-10-18	2025-10-18	Standard	West Rand (GWR)	5	5	1	Yes	Analysis
2	West Rand Trials 2025 (U12)	2025-09-06	2025-09-06	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
3	West Rand Women's Day Open 2025 (U12)	2025-08-09	2025-08-09	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
4	West Rand Open 2.0 2025 (U12)	2025-06-07	2025-06-07	Standard	West Rand (GWR)	5	5	1.5	Yes	Analysis
5	2025 D2 Schools Individuals (U11 Open)	2025-05-09	2025-05-09	Standard	West Rand (GWR)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	West Rand Closed 2025 (U12)	2025-10-18	2025-10-18	Standard	West Rand (GWR)	5	5	1	Yes	Analysis
2	West Rand Trials 2025 (U12)	2025-09-06	2025-09-06	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
3	West Rand Women's Day Open 2025 (U12)	2025-08-09	2025-08-09	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
4	West Rand Open 2.0 2025 (U12)	2025-06-07	2025-06-07	Standard	West Rand (GWR)	5	5	1.5	Yes	Analysis
5	2025 D2 Schools Individuals (U11 Open)	2025-05-09	2025-05-09	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
6	2024 West Rand Rappies Open (U10)	2024-08-03	2024-08-03	Standard	West Rand (GWR)	5	4	1	Yes	Analysis
7	D2 School League Finals 2024 (U9 Reserves)	2024-07-20	2024-07-20	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
8	2024 D2 Schools Individuals (U9)	2024-05-04	2024-05-04	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
9	2024 West Rand RHS Open (U12)	2024-04-13	2024-04-13	Standard	West Rand (GWR)	5	5	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament 2024 West Rand RHS Open				Tournament 2024 D2 Schools Individuals
		date 2024-04-13	rnd 3	type Standard	result 0.5	date 2024-05-04	rnd 1	type Standard	result 1
		Opponent Methani, B (Busisiwe)				Opponent Phantsi, N (Nina)
2	2	Tournament West Rand Trials 2025				Tournament West Rand Trials 2025
		date 2025-09-06	rnd 2	type Standard	result 1	date 2025-09-06	rnd 3	type Standard	result 1
		Opponent Kotze, C (Christiaan)				Opponent Mtika, B (Banele)
3	2	Tournament 2025 D2 Schools Individuals				Tournament West Rand Open 2.0 2025
		date 2025-05-09	rnd 5	type Standard	result 1	date 2025-06-07	rnd 1	type Standard	result 1
		Opponent Viktor, I (Ivan)				Opponent Raikane, O (Ontshiametse)

#	Games	Start				End
1	4	Tournament 2024 West Rand RHS Open				Tournament 2024 D2 Schools Individuals
		date 2024-04-13	rnd 3	type Standard	result 0.5	date 2024-05-04	rnd 1	type Standard	result 1
		Opponent Methani, B (Busisiwe)				Opponent Phantsi, N (Nina)
2	2	Tournament West Rand Trials 2025				Tournament West Rand Trials 2025
		date 2025-09-06	rnd 2	type Standard	result 1	date 2025-09-06	rnd 3	type Standard	result 1
		Opponent Kotze, C (Christiaan)				Opponent Mtika, B (Banele)
3	2	Tournament 2025 D2 Schools Individuals				Tournament West Rand Open 2.0 2025
		date 2025-05-09	rnd 5	type Standard	result 1	date 2025-06-07	rnd 1	type Standard	result 1
		Opponent Viktor, I (Ivan)				Opponent Raikane, O (Ontshiametse)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament West Rand Trials 2025				Tournament West Rand Trials 2025
		date 2025-09-06	rnd 2	type Standard	result 1	date 2025-09-06	rnd 3	type Standard	result 1
		Opponent Kotze, C (Christiaan)				Opponent Mtika, B (Banele)
2	2	Tournament 2025 D2 Schools Individuals				Tournament West Rand Open 2.0 2025
		date 2025-05-09	rnd 5	type Standard	result 1	date 2025-06-07	rnd 1	type Standard	result 1
		Opponent Viktor, I (Ivan)				Opponent Raikane, O (Ontshiametse)
3	2	Tournament 2024 West Rand RHS Open				Tournament 2024 D2 Schools Individuals
		date 2024-04-13	rnd 5	type Standard	result 1	date 2024-05-04	rnd 1	type Standard	result 1
		Opponent Venter, Z (Zachary Michael)				Opponent Phantsi, N (Nina)

#	Games	Start				End
1	2	Tournament West Rand Trials 2025				Tournament West Rand Trials 2025
		date 2025-09-06	rnd 2	type Standard	result 1	date 2025-09-06	rnd 3	type Standard	result 1
		Opponent Kotze, C (Christiaan)				Opponent Mtika, B (Banele)
2	2	Tournament 2025 D2 Schools Individuals				Tournament West Rand Open 2.0 2025
		date 2025-05-09	rnd 5	type Standard	result 1	date 2025-06-07	rnd 1	type Standard	result 1
		Opponent Viktor, I (Ivan)				Opponent Raikane, O (Ontshiametse)
3	2	Tournament 2024 West Rand RHS Open				Tournament 2024 D2 Schools Individuals
		date 2024-04-13	rnd 5	type Standard	result 1	date 2024-05-04	rnd 1	type Standard	result 1
		Opponent Venter, Z (Zachary Michael)				Opponent Phantsi, N (Nina)

No games found.

#	Games	Start				End

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	Fourie ,H (Hailey)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
1	Fourie ,H (Hailey)	3	1169.2	885.8	3	1166.2	885.8	0	0	0	0	0	0
2	Erasmus ,S (Sonja)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Erasmus ,S (Sonja)	3	1363.4	938.4	3	1362.8	938.4	0	0	0	0	0	0
3	Phantsi ,N (Nina)	2	2	425	2	2	425	0	0	0	0	0	0
3	Phantsi ,N (Nina)	2	1174.4	1599.4	2	1168.6	1599.4	0	0	0	0	0	0
4	Van Wyk ,N (Nihann)	2	1	0	2	1	0	0	0	0	0	0	0
4	Van Wyk ,N (Nihann)	2	1189.2	1189.2	2	1189.9	1189.2	0	0	0	0	0	0
5	Mtika ,B (Banele)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mtika ,B (Banele)	1	1213.8	1638.8	1	1216.3	1638.8	0	0	0	0	0	0
6	Jordaan ,L (Louryn)	1	1	425	1	1	425	0	0	0	0	0	0
6	Jordaan ,L (Louryn)	1	1122.5	1547.5	1	1114.7	1547.5	0	0	0	0	0	0
7	Raofa ,N (Njabulo Nkosana)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Raofa ,N (Njabulo Nkosana)	1	1198	773	1	1197.6	773	0	0	0	0	0	0
8	Le Roux ,K (Keanu)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Le Roux ,K (Keanu)	1	1050.2	625.2	1	1026.8	625.2	0	0	0	0	0	0
9	Blom ,W (Wian)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Blom ,W (Wian)	1	1216	791	1	1221.4	791	0	0	0	0	0	0
10	Myburgh ,M (Morne)	1	1	425	1	1	425	0	0	0	0	0	0
10	Myburgh ,M (Morne)	1	1226.9	1651.9	1	1227.7	1651.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Oldjohn, L (Lazola)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms