Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Matenchi, P (Portia)
Dob:
1998/09/25 (Adult)
Gender:
Female
Chess SA id:
2980105995
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2019/12/06 (1626 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
Curent Raw rating
1188.7
Curent Weighted rating
1188.7
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1188.7
Current floor (min rating allowed)
688.7
Current highest rating achieved
1188.7
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)
±168.5
Current Raw change used (final)
0.0
Projected new Raw rating
1188.7
Projected new Weighed rating
1188.7
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1188.7
Projected effective change (new Official - current Official)
-0.0
Projected new highest rating
1188.7
Projected new floor
688.7
Projected new K-facor
40
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
Curent Raw rating
1186.4
Curent Weighted rating
1186.4
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1186.4
Current floor (min rating allowed)
686.4
Current highest rating achieved
1186.4
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)
±169.1
Current Raw change used (final)
0.0
Projected new Raw rating
1186.4
Projected new Weighed rating
1186.4
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1186.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1186.4
Projected new floor
686.4
Projected new K-facor
40
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
Curent Raw rating
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
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)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1200.0
Projected new Weighted performance
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
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
Curent Raw rating
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
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)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1200.0
Projected new Weighted performance
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
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Tournaments
History
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
2
2019 USSA Championships (Women)
2019/12/02
2019/12/06
Sarah Baartman (ESB)
Standard
90
0.94
9
9
5.0
1184.9
1181.6
Analysis
1
Outpost 2nd Open 2018 (C)
2018/08/25
2018/08/25
Johannesburg Metro (GJM)
Standard
62
0.84
5
5
3.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
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
Standard
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
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
14
8
0
6
8.0
57.1
60.7
1111.8
1172.5
White
8
6
0
2
6.0
75.0
212.5
1141.7
1354.2
Black
6
2
0
4
2.0
33.3
-141.7
1071.9
930.2
Standard
All
14
8
0
6
8.0
57.1
60.7
1111.8
1172.5
White
8
6
0
2
6.0
75.0
212.5
1141.7
1354.2
Black
6
2
0
4
2.0
33.3
-141.7
1071.9
930.2
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
106076133
Khan, A (Aamir)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
298092464
Jonas, O (Ongezwa)
1
1.0
1
0
0
100.0
1184.9
425.0
1609.9
View list
3
1000105993
Ferreira, M (Mikele)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
299058233
Malatji, KM (Katlego)
1
1.0
1
0
0
100.0
1184.9
425.0
1609.9
View list
5
110076637
Mcambi, A (Alipheli)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
6
2000119891
Matomane, C (Cikizwa)
1
1.0
1
0
0
100.0
1184.9
425.0
1609.9
View list
7
2980119902
Setlhabi, L (Lorato Patricia)
1
1.0
1
0
0
100.0
1184.9
425.0
1609.9
View list
8
2000119914
Ngoetjana, M (Mpho)
1
1.0
1
0
0
100.0
1184.9
425.0
1609.9
View list
9
109076135
Van Zyl, B (Benjamin)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
297025694
Mpofu, N (Nobuhle)
1
0.0
0
0
1
0.0
1184.9
-425.0
759.9
View list
11
2960100854
Mocumi, V (Visolia)
1
0.0
0
0
1
0.0
1184.9
-425.0
759.9
View list
12
200055947
Matjokotja, K (Kabelo)
1
0.0
0
0
1
0.0
1184.9
-425.0
759.9
View list
13
296094327
Malapile, M (Mpho Meikie)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
14
297045017
Alex, A (Anusha)
1
0.0
0
0
1
0.0
1184.9
-425.0
759.9
View list