Chess South Africa
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Chess South Africa
Jaftha, D (Duwayne)
Dob:
2005/04/03 (U20)
Gender:
Male
Chess SA id:
105086282
FIDE id:
Region:
Central Karoo (WCK)
Citizen:
RSA
Title(s):
Last active:
2023/02/04 (472 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
1101.1
Curent Weighted rating
1111.4
Curent Weighted performance
785.0
Current official/published rating (highest between Raw, WR and WP)
1111.4
Current floor (min rating allowed)
704.5
Current highest rating achieved
1204.5
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)
±190.9
Current Raw change used (final)
0.0
Projected new Raw rating
1101.1
Projected new Weighed rating
1109.0
Projected new Weighted performance
785.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1109.0
Projected effective change (new Official - current Official)
-2.4
Projected new highest rating
1204.5
Projected new floor
704.5
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
1074.8
Curent Weighted rating
1087.3
Curent Weighted performance
775.2
Current official/published rating (highest between Raw, WR and WP)
1087.3
Current floor (min rating allowed)
700.4
Current highest rating achieved
1200.4
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)
±198.2
Current Raw change used (final)
0.0
Projected new Raw rating
1074.8
Projected new Weighed rating
1084.4
Projected new Weighted performance
775.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1084.4
Projected effective change (new Official - current Official)
-2.9
Projected new highest rating
1200.4
Projected new floor
700.4
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
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
1170.0
Curent Weighted rating
1170.1
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1170.1
Current floor (min rating allowed)
700.0
Current highest rating achieved
1170.0
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)
±173.1
Current Raw change used (final)
0.0
Projected new Raw rating
1170.0
Projected new Weighed rating
1170.0
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1170.0
Projected effective change (new Official - current Official)
-0.1
Projected new highest rating
1170.0
Projected new floor
700.0
Projected new K-facor
40
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
6
Central Karoo Schools Chess Trial 1 2023 (U19)
2023/02/04
2023/02/04
Eden District (WEG)
Standard
60
0.83
5
5
0.0
1185.4
1177.0
Analysis
5
WCCA Rural Cup 2022 (U18)
2022/08/13
2022/08/14
Overberg (WOS)
Standard
60
0.83
5
4
0.0
1204.5
1200.4
Analysis
4
WCCA Rural Cup Blitz 2022
2022/07/12
2022/07/12
Overberg (WOS)
Blitz
5
0.18
5
5
2.0
1203.9
1200.0
Analysis
3
Central Karoo 2022 (U15+U18 Boys)
2022/03/19
2022/03/19
Central Karoo (WCK)
Standard
65
0.85
5
5
4.0
1154.8
1143.2
Analysis
2
Western Cape Inter Region Cup 2021 (Junior)
2022/03/04
2022/03/06
West Coast (WCU)
Standard
90
0.94
5
5
0.0
1154.8
1143.2
Analysis
1
Central Karoo Prestige Tournament 2021 (U16+U18)
2021/05/29
2021/05/29
Central Karoo (WCK)
Standard
60
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
29
8
0
21
8.0
27.6
-190.5
1284.2
1093.7
White
13
5
0
8
5.0
38.5
-98.1
1300.6
1202.5
Black
16
3
0
13
3.0
18.8
-265.6
1270.9
1005.3
Standard
All
24
6
0
18
6.0
25.0
-212.5
1281.4
1068.9
White
11
4
0
7
4.0
36.4
-115.9
1315.8
1199.9
Black
13
2
0
11
2.0
15.4
-294.2
1252.2
958.0
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
5
2
0
3
2.0
40.0
-85.0
1297.7
1212.7
White
2
1
0
1
1.0
50.0
0.0
1216.6
1216.6
Black
3
1
0
2
1.0
33.3
-141.7
1351.8
1210.1
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
106086231
Ramasetja, L (Lesetha)
2
0.0
0
0
2
0.0
1192.7
-425.0
767.7
View list
2
1060139207
Fillies, C (Carlin)
1
1.0
1
0
0
100.0
1154.8
425.0
1579.8
View list
3
2120139053
Kruger, J (Jamie)
1
1.0
1
0
0
100.0
1203.9
425.0
1628.9
View list
4
2050110956
Claassen, L (Linique)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
1070139205
Blom, F (Franklin)
1
1.0
1
0
0
100.0
1154.8
425.0
1579.8
View list
6
2060098468
Mackay, A (Amber)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
1060139212
Luttig, J (Jivaan)
1
1.0
1
0
0
100.0
1154.8
425.0
1579.8
View list
8
1140136598
Spies, F (Fanie)
1
1.0
1
0
0
100.0
1203.9
425.0
1628.9
View list
9
1080139220
Stampulu, H (Hlomla)
1
1.0
1
0
0
100.0
1154.8
425.0
1579.8
View list
10
205069633
Prince, SN (Sharna)
1
0.0
0
0
1
0.0
1203.9
-425.0
778.9
View list
11
1060139215
Piedt, M (Marshall)
1
0.0
0
0
1
0.0
1154.8
-425.0
729.8
View list
12
107053637
Palmer, RN (Reegan)
1
0.0
0
0
1
0.0
1154.8
-425.0
729.8
View list
13
106087912
Lielieveld, F (Franco)
1
0.0
0
0
1
0.0
1204.5
-425.0
779.5
View list
14
1060118881
Abrahams, K (Kenrick)
1
0.0
0
0
1
0.0
1185.4
-425.0
760.4
View list
15
1050139210
Kleyn, J (Jayden)
1
0.0
0
0
1
0.0
1185.4
-425.0
760.4
View list
16
1060096290
Kariem, S (Shakir)
1
0.0
0
0
1
0.0
1204.5
-425.0
779.5
View list
17
1070140607
Jambo, S (Stanwill)
1
0.0
0
0
1
0.0
1203.9
-425.0
778.9
View list
18
105065439
Hendricks, M (Matthew)
1
0.0
0
0
1
0.0
1185.4
-425.0
760.4
View list
19
107065423
Hendricks, D (Diego)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
20
1060138411
Harmse, D (Deon)
1
0.0
0
0
1
0.0
1204.5
-425.0
779.5
View list