Chess South Africa
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Chess South Africa
Ngwetjana, L (Lona)
Dob:
2009/02/15 (U16)
Gender:
Female
Chess SA id:
2090306324
FIDE id:
Region:
Citizen:
RSA
Title(s):
Last active:
2024/06/15 (21 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
1191.1
Current Weighted rating
1199.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1199.3
Current highest rating achieved
1191.1
Current floor (min rating allowed)
691.1
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)
±167.9
Current Raw change used (final)
0.0
Projected new Raw rating
1191.1
Projected new Weighed rating
1103.3
Projected new Weighted performance
352.8
Projected new final Raw rating (if new WP > new Raw)
1191.1
Projected new highest rating
1191.1
Projected new floor
691.1
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1191.1
Projected effective change (new Official - current Official)
-8.2
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
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
1184.0
Current Weighted rating
1198.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1198.7
Current highest rating achieved
1184.0
Current floor (min rating allowed)
684.0
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)
±169.6
Current Raw change used (final)
0.0
Projected new Raw rating
1184.0
Projected new Weighed rating
1102.8
Projected new Weighted performance
371.4
Projected new final Raw rating (if new WP > new Raw)
1184.0
Projected new highest rating
1184.0
Projected new floor
684.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1184.0
Projected effective change (new Official - current Official)
-14.7
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
1
Nylstroom Modimolle Open Chess Tournament 15 June 2024
2024/06/15
2024/06/15
Waterberg (LWM)
Rapid
25
0.54
5
5
2.0
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
1
Nylstroom Modimolle Open Chess Tournament 15 June 2024
2024/06/15
2024/06/15
Waterberg (LWM)
Rapid
25
0.54
5
5
2.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
2
0
3
2.0
40.0
-85.0
1207.3
1122.3
White
2
0
0
2
0.0
0.0
-425.0
1269.3
844.3
Black
3
2
0
1
2.0
66.7
141.7
1165.9
1307.6
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
5
2
0
3
2.0
40.0
-85.0
1207.3
1122.3
White
2
0
0
2
0.0
0.0
-425.0
1269.3
844.3
Black
3
2
0
1
2.0
66.7
141.7
1165.9
1307.6
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
1207.3
1122.3
White
2
0
0
2
0.0
0.0
-425.0
1269.3
844.3
Black
3
2
0
1
2.0
66.7
141.7
1165.9
1307.6
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
5
2
0
3
2.0
40.0
-85.0
1207.3
1122.3
White
2
0
0
2
0.0
0.0
-425.0
1269.3
844.3
Black
3
2
0
1
2.0
66.7
141.7
1165.9
1307.6
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
1150306325
Stumke, H (Hay-Lee)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
2130149371
Ras, A (Adenei)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
1620306327
Van Den Berg, W (Wim)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
4
1750302888
Pretorius, D (Delmar)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
1120141034
Bergh, M (Martin)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
