Chess South Africa
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Chess South Africa
Witthuhn, J (Jan Ayden)
Dob:
2008/03/04 (U18)
Gender:
Male
Chess SA id:
1080098163
FIDE id:
Region:
Mangaung (FMB)
Citizen:
RSA
Title(s):
Last active:
2024/02/24 (122 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
1106.5
Current Weighted rating
1099.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1106.5
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)
±189.4
Current Raw change used (final)
0.0
Projected new Raw rating
1106.5
Projected new Weighed rating
1011.3
Projected new Weighted performance
694.6
Projected new final Raw rating (if new WP > new Raw)
1106.5
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)
1106.5
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
1080.0
Current Weighted rating
1065.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1080.0
Current highest rating achieved
1080.0
Current floor (min rating allowed)
580.0
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)
±196.7
Current Raw change used (final)
0.0
Projected new Raw rating
1080.0
Projected new Weighed rating
980.4
Projected new Weighted performance
399.6
Projected new final Raw rating (if new WP > new Raw)
1080.0
Projected new highest rating
1080.0
Projected new floor
580.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1080.0
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
1196.4
Current Weighted rating
1197.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1197.8
Current highest rating achieved
1196.4
Current floor (min rating allowed)
696.4
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)
±166.7
Current Raw change used (final)
0.0
Projected new Raw rating
1196.4
Projected new Weighed rating
1101.9
Projected new Weighted performance
358.4
Projected new final Raw rating (if new WP > new Raw)
1196.4
Projected new highest rating
1196.4
Projected new floor
696.4
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1196.4
Projected effective change (new Official - current Official)
-1.4
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
84.1
Projected new final Raw rating (if new WP > new Raw)
1200.0
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.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
Grey College Team Championship 2024 (B)
2024/02/23
2024/02/24
Mangaung (FMB)
Standard
60
0.83
5
4
2.0
1098.7
1059.2
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
4
Grey College Team Championship 2024 (B)
2024/02/23
2024/02/24
Mangaung (FMB)
Standard
60
0.83
5
4
2.0
1098.7
1059.2
Analysis
3
Bloemfontein HS League 27 October 2023 (U13-U17)
2023/10/27
2023/10/27
Cape Winelands (WCW)
Rapid
15
0.39
5
4
2.0
1093.6
1200.0
Analysis
2
Mangaung Metro Chess 20-21 April 2018 (E)
2018/04/20
2018/04/21
Mangaung (FMB)
Standard
62
0.84
5
4
0.0
1200.0
1200.0
Analysis
1
Smart Chess Blitz 2018 (U12)
2018/03/03
2018/03/03
Mangaung (FMB)
Blitz
5
0.18
7
4
2.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
4
2
0
2
2.0
50.0
0.0
1156.2
1156.2
White
2
1
0
1
1.0
50.0
0.0
1112.4
1112.4
Black
2
1
0
1
1.0
50.0
0.0
1200.0
1200.0
Standard
All
4
2
0
2
2.0
50.0
0.0
1156.2
1156.2
White
2
1
0
1
1.0
50.0
0.0
1112.4
1112.4
Black
2
1
0
1
1.0
50.0
0.0
1200.0
1200.0
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
16
6
0
10
6.0
37.5
-106.3
1084.0
977.8
White
8
3
0
5
3.0
37.5
-106.3
1116.3
1010.1
Black
8
3
0
5
3.0
37.5
-106.3
1051.8
945.5
Standard
All
8
2
0
6
2.0
25.0
-212.5
982.0
769.5
White
4
1
0
3
1.0
25.0
-212.5
1040.5
828.0
Black
4
1
0
3
1.0
25.0
-212.5
923.4
710.9
Rapid
All
4
2
0
2
2.0
50.0
0.0
1172.2
1172.2
White
2
1
0
1
1.0
50.0
0.0
1184.2
1184.2
Black
2
1
0
1
1.0
50.0
0.0
1160.2
1160.2
Blitz
All
4
2
0
2
2.0
50.0
0.0
1200.0
1200.0
White
2
1
0
1
1.0
50.0
0.0
1200.0
1200.0
Black
2
1
0
1
1.0
50.0
0.0
1200.0
1200.0
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
210086184
Beelders, K (Kyra)
2
1.0
1
0
1
50.0
1146.8
0.0
1146.8
View list
2
1070098161
Khoaele, T (Thuto)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
2140153477
Nthapo, R (Relebohile)
1
1.0
1
0
0
100.0
1093.6
425.0
1518.6
View list
4
1080098165
November, A (Ayahluma)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
2090192006
Schoeman, C (Cara)
1
1.0
1
0
0
100.0
1098.7
425.0
1523.7
View list
6
2130148586
Rametsi, O (Oarabile)
1
1.0
1
0
0
100.0
1098.7
425.0
1523.7
View list
7
1070098166
Truter, P (Pieter-Ben)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
8
2070149105
Phalole, R (Reatile)
1
0.0
0
0
1
0.0
1098.7
-425.0
673.7
View list
9
1090096009
Pelesa, O (Oratilwe)
1
0.0
0
0
1
0.0
1093.6
-425.0
668.6
View list
10
1080098159
Metsing, P (Pelenolo)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
11
1100145458
Lephoi, X (Xaba)
1
0.0
0
0
1
0.0
1093.6
-425.0
668.6
View list
12
108086945
Geyser, H (Heinrich)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
13
207086191
Codron, J (Jesse)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
14
2090100904
Chen, E (Emily)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
15
1060191979
Brown, C (Connor)
1
0.0
0
0
1
0.0
1098.7
-425.0
673.7
View list