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

Item	Main	Standard	Rapid	Blitz
Rating	1201.7	1201	1200	1200
Raw rating	1196.1	1193.7	1200	1200
Weighted rating	1201.7	1201	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	-0.6	0	0
New rating	1201.3	1200.3	1200	1200
Analysis
Rating	1201.7	1201	1200	1200
Raw rating	1196.1	1193.7	1200	1200
Weighted rating	1201.7	1201	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	1201.3	1200.3	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1201.3	1200.3	1200	1200
Temp new rating +/-	-0.5	-0.6	0	0
Final new rating +/-	-0.5	-0.6	0	0
New rating	1201.3	1200.3	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
2026-01-01	1196.1	1193.7	1200	1200
2025-11-30	1196.1	1193.7	1200	1200
2025-11-01	1196.1	1193.7	1200	1200
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
2024-11-01	1205.3	1205.2	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-05-01	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

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	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

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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