Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Ndaba, Z (Zizwe)
Dob:
2009/02/17 (U16)
Gender:
Male
Chess SA id:
1090148625
FIDE id:
Region:
Sedibeng (GSV)
Citizen:
RSA
Title(s):
Last active:
2023/01/28 (666 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
1191.0
Current Weighted rating
1191.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1191.0
Current highest rating achieved
1191.0
Current floor (min rating allowed)
691.0
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)
±168.0
Current Raw change used (final)
0.0
Projected new Raw rating
1191.0
Projected new Weighed rating
1095.7
Projected new Weighted performance
299.1
Projected new final Raw rating (if new WP > new Raw)
1191.0
Projected new highest rating
1191.0
Projected new floor
691.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1191.0
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
1188.0
Current Weighted rating
1188.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1188.0
Current highest rating achieved
1188.0
Current floor (min rating allowed)
688.0
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)
±168.7
Current Raw change used (final)
0.0
Projected new Raw rating
1188.0
Projected new Weighed rating
1093.0
Projected new Weighted performance
299.1
Projected new final Raw rating (if new WP > new Raw)
1188.0
Projected new highest rating
1188.0
Projected new floor
688.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1188.0
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
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
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
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
1200.0
Current floor (min rating allowed)
700.0
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
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
1
Laerkool Midvaal Chess Open 2023 (C)
2023/01/28
2023/01/28
Sedibeng (GSV)
Standard
61
0.83
5
5
2.0
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
5
2
0
3
2.0
40.0
-85.0
1247.6
1162.6
White
3
2
0
1
2.0
66.7
141.7
1203.2
1344.9
Black
2
0
0
2
0.0
0.0
-425.0
1314.2
889.2
Standard
All
5
2
0
3
2.0
40.0
-85.0
1247.6
1162.6
White
3
2
0
1
2.0
66.7
141.7
1203.2
1344.9
Black
2
0
0
2
0.0
0.0
-425.0
1314.2
889.2
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
1100137798
Ambachtsheer, A (Aron)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1090144708
Drotsky, R (Reynhardt)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
109089303
Tolmay, L (Llewellyn)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
4
2100141426
Paulse, L (Leilani)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
2100097415
Coetzer, Z (Zinique)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
