Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mackenzi, O (Oratilwe)

Chess SA id

1130302459

FIDE id

Date of birth

2013-07-19 (U14)

Gender

Male

Region

West Rand (GWR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1259.3	1270.9	1200	1200
Raw rating	1244.1	1250	1200	1200
Weighted rating	1259.3	1270.9	1200	1200
Weighted performance	0	0	0	0
Floor	785.6	803.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	155.7	154.4	165.8	165.8
Highest rating	1440.2 2024-09-01	1438.9 2024-09-01	1200 2024-05-01	1200 2024-05-01
Highest raw rating	1285.6 2024-10-01	1303.6 2024-10-01	1200 2024-05-01	1200 2024-05-01
Highest weighted rating	1258.6 2025-09-01	1270.6 2025-09-01	1200 2024-05-01	1200 2024-05-01
Highest weighted performance	1440.2 2024-09-01	1438.9 2024-09-01	1200 2024-05-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.1	-0.1	0	0
New rating	1259.4	1270.8	1200	1200
Analysis
Rating	1259.3	1270.9	1200	1200
Raw rating	1244.1	1250	1200	1200
Weighted rating	1259.3	1270.9	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	785.6	803.6	700	700
Max/Min rating change allowed	155.7	154.4	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	1244.1	1250	1200	1200
New weighted rating	1259.4	1270.8	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1259.4	1270.8	1200	1200
Temp new rating +/-	0.1	-0.1	0	0
Final new rating +/-	0.1	-0.1	0	0
New rating	1259.4	1270.8	1200	1200
New K-factor	36	36	36	36
New floor	785.6	803.6	700	700

Item	Main	Standard
	0	0
	5	5
	13	13
	0	0
	0	0
	0	0
History	18	18

Games since
	Main 18	Standard 18		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	5	1.5	30	-170	1226.2	1056.2
Standard	5	1.5	30	-170	1226.2	1056.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	18	9	50	0	1273.9	1273.9
Standard	18	9	50	0	1273.9	1273.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1244.1	1250	1200	1200
2025-09-30	1244.1	1250	1200	1200
2025-09-01	1244.1	1250	1200	1200
2025-08-01	1285.6	1303.6	1200	1200
2025-07-01	1285.6	1303.6	1200	1200
2025-06-01	1285.6	1303.6	1200	1200
2025-05-01	1285.6	1303.6	1200	1200
2025-04-01	1285.6	1303.6	1200	1200
2025-03-01	1285.6	1303.6	1200	1200
2025-02-01	1285.6	1303.6	1200	1200
2025-01-01	1285.6	1303.6	1200	1200
2024-12-01	1285.6	1303.6	1200	1200
2024-11-01	1285.6	1303.6	1200	1200
2024-10-01	1285.6	1303.6	1200	1200
2024-09-01	1196	1194.8	1200	1200
2024-08-01	1196	1194.8	1200	1200
2024-07-01	1196	1194.8	1200	1200
2024-09-01	1196	1194.8	1200	1200
2024-05-01	1166.8	1159.2	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 Women's Day Open 2025 (Rooks)	2025-08-09	2025-08-09	Standard	West Rand (GWR)	5	5	1.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	West Rand Women's Day Open 2025 (Rooks)	2025-08-09	2025-08-09	Standard	West Rand (GWR)	5	5	1.5	Yes	Analysis
2	2024 West Rand Trials (U12)	2024-09-07	2024-09-07	Standard	West Rand (GWR)	5	5	4	Yes	Analysis
3	2024 D2 Schools Individuals (U11 Boys)	2024-05-04	2024-05-04	Standard	West Rand (GWR)	5	3	2	Yes	Analysis
4	2024 West Rand RHS Open (U12)	2024-04-13	2024-04-13	Standard	West Rand (GWR)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2024 D2 Schools Individuals				Tournament 2024 West Rand Trials
		date 2024-05-04	rnd 5	type Standard	result 1	date 2024-09-07	rnd 2	type Standard	result 1
		Opponent Selogilwe, R (Rorisang)				Opponent Makokoe, B (Boitumelo)
2	2	Tournament West Rand Women's Day Open 2025				Tournament West Rand Women's Day Open 2025
		date 2025-08-09	rnd 3	type Standard	result 1	date 2025-08-09	rnd 4	type Standard	result 0.5
		Opponent Kobue, P (Paballo)				Opponent Seitshiro, T (Tshiamo)
3	2	Tournament 2024 West Rand Trials				Tournament 2024 West Rand Trials
		date 2024-09-07	rnd 4	type Standard	result 1	date 2024-09-07	rnd 5	type Standard	result 1
		Opponent De Waal, D (Dian)				Opponent Lokwe, S (Simthandile)

#	Games	Start				End
1	3	Tournament 2024 D2 Schools Individuals				Tournament 2024 West Rand Trials
		date 2024-05-04	rnd 5	type Standard	result 1	date 2024-09-07	rnd 2	type Standard	result 1
		Opponent Selogilwe, R (Rorisang)				Opponent Makokoe, B (Boitumelo)
2	2	Tournament West Rand Women's Day Open 2025				Tournament West Rand Women's Day Open 2025
		date 2025-08-09	rnd 3	type Standard	result 1	date 2025-08-09	rnd 4	type Standard	result 0.5
		Opponent Kobue, P (Paballo)				Opponent Seitshiro, T (Tshiamo)
3	2	Tournament 2024 West Rand Trials				Tournament 2024 West Rand Trials
		date 2024-09-07	rnd 4	type Standard	result 1	date 2024-09-07	rnd 5	type Standard	result 1
		Opponent De Waal, D (Dian)				Opponent Lokwe, S (Simthandile)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2024 D2 Schools Individuals				Tournament 2024 West Rand Trials
		date 2024-05-04	rnd 5	type Standard	result 1	date 2024-09-07	rnd 2	type Standard	result 1
		Opponent Selogilwe, R (Rorisang)				Opponent Makokoe, B (Boitumelo)
2	2	Tournament 2024 West Rand Trials				Tournament 2024 West Rand Trials
		date 2024-09-07	rnd 4	type Standard	result 1	date 2024-09-07	rnd 5	type Standard	result 1
		Opponent De Waal, D (Dian)				Opponent Lokwe, S (Simthandile)
3	1	Tournament West Rand Women's Day Open 2025				Tournament West Rand Women's Day Open 2025
		date 2025-08-09	rnd 3	type Standard	result 1	date 2025-08-09	rnd 3	type Standard	result 1
		Opponent Kobue, P (Paballo)				Opponent Kobue, P (Paballo)

#	Games	Start				End
1	3	Tournament 2024 D2 Schools Individuals				Tournament 2024 West Rand Trials
		date 2024-05-04	rnd 5	type Standard	result 1	date 2024-09-07	rnd 2	type Standard	result 1
		Opponent Selogilwe, R (Rorisang)				Opponent Makokoe, B (Boitumelo)
2	2	Tournament 2024 West Rand Trials				Tournament 2024 West Rand Trials
		date 2024-09-07	rnd 4	type Standard	result 1	date 2024-09-07	rnd 5	type Standard	result 1
		Opponent De Waal, D (Dian)				Opponent Lokwe, S (Simthandile)
3	1	Tournament West Rand Women's Day Open 2025				Tournament West Rand Women's Day Open 2025
		date 2025-08-09	rnd 3	type Standard	result 1	date 2025-08-09	rnd 3	type Standard	result 1
		Opponent Kobue, P (Paballo)				Opponent Kobue, P (Paballo)

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	Venter ,Z (Zachary Michael)	1	1	425	1	1	425	0	0	0	0	0	0
1	Venter ,Z (Zachary Michael)	1	1154.6	1579.6	1	1144.9	1579.6	0	0	0	0	0	0
2	Naidoo ,J (James)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Naidoo ,J (James)	1	1417.1	992.1	1	1407.8	992.1	0	0	0	0	0	0
3	White ,E (Edward)	1	1	425	1	1	425	0	0	0	0	0	0
3	White ,E (Edward)	1	1445	1870	1	1434	1870	0	0	0	0	0	0
4	Van Rensburg ,L (Liem)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Van Rensburg ,L (Liem)	1	1184.3	759.3	1	1176.3	759.3	0	0	0	0	0	0
5	De Waal ,D (Dian)	1	1	425	1	1	425	0	0	0	0	0	0
5	De Waal ,D (Dian)	1	1320.8	1745.8	1	1330.6	1745.8	0	0	0	0	0	0
6	Nemusombori ,LN (Livhuwani Nathan)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Nemusombori ,LN (Livhuwani Nathan)	1	1446.3	1021.3	1	1465.2	1021.3	0	0	0	0	0	0
7	Shai ,K (Koketso)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Shai ,K (Koketso)	1	1199.7	774.7	1	1199.7	774.7	0	0	0	0	0	0
8	Nameng ,T (Thatano)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Nameng ,T (Thatano)	1	1331.5	906.5	1	1329.6	906.5	0	0	0	0	0	0
9	Mantjie ,K (Kamogelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Mantjie ,K (Kamogelo)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Magubane ,S (Sibongile)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Magubane ,S (Sibongile)	1	1200.5	775.5	1	1201	775.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Mackenzi, 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