Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mackenzie, O (Oratilwe)

Chess SA id

1130306742

FIDE id

Date of birth

2013-07-19 (U14)

Gender

Male

Region

West Rand (GWR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-06

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1116

Item	Main	Standard	Rapid	Blitz
Rating	1203.3	1203	1200	1200
Raw rating	1196.1	1193.7	1200	1200
Weighted rating	1203.3	1203	1200	1200
Weighted performance	0	0	0	0
Floor	706.3	706.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	166.7	167.3	165.8	165.8
Highest rating	1243.9 2024-07-01	1239.6 2024-07-01	1200 2024-10-01	1200 2024-10-01
Highest raw rating	1206.3 2025-06-01	1206.6 2025-06-01	1200 2024-10-01	1200 2024-10-01
Highest weighted rating	1206.3 2024-10-01	1206.6 2024-10-01	1200 2024-10-01	1200 2024-10-01
Highest weighted performance	1243.9 2024-07-01	1239.6 2024-07-01	1200 2024-10-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.5	-0.7	0	0
New rating	1202.8	1202.3	1200	1200
Analysis
Rating	1203.3	1203	1200	1200
Raw rating	1196.1	1193.7	1200	1200
Weighted rating	1203.3	1203	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	706.3	706.6	700	700
Max/Min rating change allowed	166.7	167.3	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	1196.1	1193.7	1200	1200
New weighted rating	1202.8	1202.3	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1202.8	1202.3	1200	1200
Temp new rating +/-	-0.5	-0.7	0	0
Final new rating +/-	-0.5	-0.7	0	0
New rating	1202.8	1202.3	1200	1200
New K-factor	36	36	36	36
New floor	706.3	706.6	700	700

Item	Main	Standard
	0	0
	15	15
	5	5
	0	0
	0	0
	0	0
History	20	20

Games since
	Main 20	Standard 20		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	West Rand (GWR)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	15	5.5	36.67	-113.3	1234.2	1120.9
Standard	15	5.5	36.67	-113.3	1234.2	1120.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	20	7.5	37.5	-106.2	1255.9	1149.7
Standard	20	7.5	37.5	-106.2	1255.9	1149.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1196.1	1193.7	1200	1200
2025-09-01	1203.6	1203.4	1200	1200
2025-08-01	1203.6	1203.4	1200	1200
2025-07-01	1201.1	1200.5	1200	1200
2025-06-01	1206.3	1206.6	1200	1200
2025-05-01	1205.3	1205.2	1200	1200
2025-04-01	1205.3	1205.2	1200	1200
2025-03-01	1205.3	1205.2	1200	1200
2025-02-01	1205.3	1205.2	1200	1200
2025-01-01	1205.3	1205.2	1200	1200
2024-12-01	1205.3	1205.2	1200	1200
2024-11-01	1205.3	1205.2	1200	1200
2024-10-01	1205.3	1205.2	1200	1200
2024-09-01	1205.3	1205.2	1200	1200
2024-08-01	1205.3	1205.2	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	1200	1200	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
2023-11-01	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 Trials 2025 (U14)	2025-09-06	2025-09-06	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
2	West Rand Open 2.0 2025 (Rooks)	2025-06-07	2025-06-07	Standard	West Rand (GWR)	5	5	1	Yes	Analysis
3	2025 D2 Schools Individuals (U13 Open)	2025-05-09	2025-05-09	Standard	West Rand (GWR)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	West Rand Trials 2025 (U14)	2025-09-06	2025-09-06	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
2	West Rand Open 2.0 2025 (Rooks)	2025-06-07	2025-06-07	Standard	West Rand (GWR)	5	5	1	Yes	Analysis
3	2025 D2 Schools Individuals (U13 Open)	2025-05-09	2025-05-09	Standard	West Rand (GWR)	5	5	2.5	Yes	Analysis
4	D2 School League Finals 2024 (U11)	2024-07-20	2024-07-20	Standard	West Rand (GWR)	5	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament West Rand Trials 2025				Tournament West Rand Trials 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-06	rnd 4	type Standard	result 1
		Opponent Silenga, N (Nathi)				Opponent Legodi, R (Reneilwe)
2	2	Tournament 2025 D2 Schools Individuals				Tournament 2025 D2 Schools Individuals
		date 2025-05-09	rnd 4	type Standard	result 0.5	date 2025-05-09	rnd 5	type Standard	result 1
		Opponent Joko, K (Konke Owethu)				Opponent Mohale, K (Kagiso)
3	1	Tournament West Rand Open 2.0 2025				Tournament West Rand Open 2.0 2025
		date 2025-06-07	rnd 5	type Standard	result 1	date 2025-06-07	rnd 5	type Standard	result 1
		Opponent Molefe, T (Tshiamo)				Opponent Molefe, T (Tshiamo)

#	Games	Start				End
1	2	Tournament West Rand Trials 2025				Tournament West Rand Trials 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-06	rnd 4	type Standard	result 1
		Opponent Silenga, N (Nathi)				Opponent Legodi, R (Reneilwe)
2	2	Tournament 2025 D2 Schools Individuals				Tournament 2025 D2 Schools Individuals
		date 2025-05-09	rnd 4	type Standard	result 0.5	date 2025-05-09	rnd 5	type Standard	result 1
		Opponent Joko, K (Konke Owethu)				Opponent Mohale, K (Kagiso)
3	1	Tournament West Rand Open 2.0 2025				Tournament West Rand Open 2.0 2025
		date 2025-06-07	rnd 5	type Standard	result 1	date 2025-06-07	rnd 5	type Standard	result 1
		Opponent Molefe, T (Tshiamo)				Opponent Molefe, T (Tshiamo)

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 3	type Standard	result 1	date 2025-09-06	rnd 4	type Standard	result 1
		Opponent Silenga, N (Nathi)				Opponent Legodi, R (Reneilwe)
2	1	Tournament West Rand Open 2.0 2025				Tournament West Rand Open 2.0 2025
		date 2025-06-07	rnd 5	type Standard	result 1	date 2025-06-07	rnd 5	type Standard	result 1
		Opponent Molefe, T (Tshiamo)				Opponent Molefe, T (Tshiamo)
3	1	Tournament 2025 D2 Schools Individuals				Tournament 2025 D2 Schools Individuals
		date 2025-05-09	rnd 5	type Standard	result 1	date 2025-05-09	rnd 5	type Standard	result 1
		Opponent Mohale, K (Kagiso)				Opponent Mohale, K (Kagiso)

#	Games	Start				End
1	2	Tournament West Rand Trials 2025				Tournament West Rand Trials 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-06	rnd 4	type Standard	result 1
		Opponent Silenga, N (Nathi)				Opponent Legodi, R (Reneilwe)
2	1	Tournament West Rand Open 2.0 2025				Tournament West Rand Open 2.0 2025
		date 2025-06-07	rnd 5	type Standard	result 1	date 2025-06-07	rnd 5	type Standard	result 1
		Opponent Molefe, T (Tshiamo)				Opponent Molefe, T (Tshiamo)
3	1	Tournament 2025 D2 Schools Individuals				Tournament 2025 D2 Schools Individuals
		date 2025-05-09	rnd 5	type Standard	result 1	date 2025-05-09	rnd 5	type Standard	result 1
		Opponent Mohale, K (Kagiso)				Opponent Mohale, K (Kagiso)

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	Mhlongo ,K (Kulani)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Mhlongo ,K (Kulani)	1	1200	775	1	1200	775	0	0	0	0	0	0
2	Fourie ,T (Theo)	1	1	425	1	1	425	0	0	0	0	0	0
2	Fourie ,T (Theo)	1	1293	1718	1	1292.2	1718	0	0	0	0	0	0
3	Silenga ,N (Nathi)	1	1	425	1	1	425	0	0	0	0	0	0
3	Silenga ,N (Nathi)	1	1196.9	1621.9	1	1196.3	1621.9	0	0	0	0	0	0
4	Botha ,D (Dirk)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Botha ,D (Dirk)	1	1219.3	794.3	1	1223.2	794.3	0	0	0	0	0	0
5	Naidoo ,J (James)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Naidoo ,J (James)	1	1375.9	950.9	1	1368.8	950.9	0	0	0	0	0	0
6	White ,E (Edward)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	White ,E (Edward)	1	1527.4	1102.4	1	1531	1102.4	0	0	0	0	0	0
7	Molefe ,T (Tshiamo)	1	1	425	1	1	425	0	0	0	0	0	0
7	Molefe ,T (Tshiamo)	1	1239	1664	1	1245.8	1664	0	0	0	0	0	0
8	Shell ,K (Kellen)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Shell ,K (Kellen)	1	1245.9	820.9	1	1252.9	820.9	0	0	0	0	0	0
9	Seitshiro ,T (Tshiamo)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Seitshiro ,T (Tshiamo)	1	1172.4	747.4	1	1167.6	747.4	0	0	0	0	0	0
10	Joko ,K (Konke Owethu)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Joko ,K (Konke Owethu)	1	1200	1200	1	1200	1200	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Mackenzie, O (Oratilwe)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms