Chess South Africa
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Chess South Africa
Mackenzi, O (Oratilwe)
Dob:
2013/07/19 (U12)
Gender:
Male
Chess SA id:
1130302459
FIDE id:
Region:
West Rand (GWR)
Citizen:
RSA
Title(s):
Last active:
2024/09/07 (78 days ago)
Ratings
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1285.6
Current Weighted rating
1210.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1285.6
Current highest rating achieved
1285.6
Current floor (min rating allowed)
785.6
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±146.8
Current Raw change used (final)
0.0
Projected new Raw rating
1285.6
Projected new Weighed rating
1113.9
Projected new Weighted performance
1075.1
Projected new final Raw rating (if new WP > new Raw)
1285.6
Projected new highest rating
1285.6
Projected new floor
785.6
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1285.6
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1303.6
Current Weighted rating
1212.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1303.6
Current highest rating achieved
1303.6
Current floor (min rating allowed)
803.6
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±143.1
Current Raw change used (final)
0.0
Projected new Raw rating
1303.6
Projected new Weighed rating
1115.9
Projected new Weighted performance
1075.1
Projected new final Raw rating (if new WP > new Raw)
1303.6
Projected new highest rating
1303.6
Projected new floor
803.6
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1303.6
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
0.0
Current floor (min rating allowed)
700.0
Current K-factor
40
s
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
0.0
Projected new floor
700.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
0.0
Current floor (min rating allowed)
700.0
Current K-factor
40
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
0.0
Projected new floor
700.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
3
2024 West Rand Trials (U12)
2024/09/07
2024/09/07
West Rand (GWR)
Standard
60
0.83
5
5
4.0
1196.0
1194.8
Analysis
2
2024 D2 Schools Individuals (U11 Boys)
2024/05/04
2024/05/04
West Rand (GWR)
Standard
60
0.83
5
3
2.0
1166.8
1159.2
Analysis
1
2024 West Rand RHS Open (U12)
2024/04/13
2024/04/13
West Rand (GWR)
Standard
60
0.83
5
5
1.5
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
3
2024 West Rand Trials (U12)
2024/09/07
2024/09/07
West Rand (GWR)
Standard
60
0.83
5
5
4.0
1196.0
1194.8
Analysis
2
2024 D2 Schools Individuals (U11 Boys)
2024/05/04
2024/05/04
West Rand (GWR)
Standard
60
0.83
5
3
2.0
1166.8
1159.2
Analysis
1
2024 West Rand RHS Open (U12)
2024/04/13
2024/04/13
West Rand (GWR)
Standard
60
0.83
5
5
1.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
13
7
1
5
7.5
57.7
65.4
1292.2
1357.6
White
6
2
1
3
2.5
41.7
-70.8
1271.0
1200.2
Black
7
5
0
2
5.0
71.4
182.1
1310.5
1492.6
Standard
All
13
7
1
5
7.5
57.7
65.4
1292.2
1357.6
White
6
2
1
3
2.5
41.7
-70.8
1271.0
1200.2
Black
7
5
0
2
5.0
71.4
182.1
1310.5
1492.6
Rapid
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
13
7
1
5
7.5
57.7
65.4
1292.2
1357.6
White
6
2
1
3
2.5
41.7
-70.8
1271.0
1200.2
Black
7
5
0
2
5.0
71.4
182.1
1310.5
1492.6
Standard
All
13
7
1
5
7.5
57.7
65.4
1292.2
1357.6
White
6
2
1
3
2.5
41.7
-70.8
1271.0
1200.2
Black
7
5
0
2
5.0
71.4
182.1
1310.5
1492.6
Rapid
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1140158395
Makokoe, B (Boitumelo)
1
1.0
1
0
0
100.0
1196.0
425.0
1621.0
View list
2
2140135847
Lokwe, S (Simthandile)
1
1.0
1
0
0
100.0
1196.0
425.0
1621.0
View list
3
1140141559
De Waal, D (Dian)
1
1.0
1
0
0
100.0
1196.0
425.0
1621.0
View list
4
1140158486
Blom, W (Wian)
1
1.0
1
0
0
100.0
1166.8
425.0
1591.8
View list
5
1130303062
Selogilwe, R (Rorisang)
1
1.0
1
0
0
100.0
1166.8
425.0
1591.8
View list
6
1130150830
White, E (Edward)
1
1.0
1
0
0
100.0
1196.0
425.0
1621.0
View list
7
1140158500
Venter, Z (Zachary Michael)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
8
1140149235
Van Wyk, N (Nihann)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
9
1140161342
Van Rensburg, L (Liem)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
1130155274
Nemusombori, L (Livhuwani Nathan)
1
0.0
0
0
1
0.0
1196.0
-425.0
771.0
View list
11
1140144043
Nameng, T (Thatano)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
12
1140139675
Naidoo, J (James)
1
0.0
0
0
1
0.0
1166.8
-425.0
741.8
View list
13
1130302461
Mantjie, K (Kamogelo)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
