Chess South Africa
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Chess South Africa
Byman, D (Duran)
Dob:
1993/12/27 (Adult)
Gender:
Male
Chess SA id:
193094438
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2023/09/09 (441 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
1145.5
Current Weighted rating
1143.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1145.5
Current highest rating achieved
1145.5
Current floor (min rating allowed)
645.5
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)
±179.2
Current Raw change used (final)
0.0
Projected new Raw rating
1145.5
Projected new Weighed rating
1052.6
Projected new Weighted performance
351.9
Projected new final Raw rating (if new WP > new Raw)
1145.5
Projected new highest rating
1145.5
Projected new floor
645.5
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1145.5
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
1128.0
Current Weighted rating
1126.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1128.0
Current highest rating achieved
1128.0
Current floor (min rating allowed)
628.0
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)
±183.7
Current Raw change used (final)
0.0
Projected new Raw rating
1128.0
Projected new Weighed rating
1036.3
Projected new Weighted performance
75.6
Projected new final Raw rating (if new WP > new Raw)
1128.0
Projected new highest rating
1128.0
Projected new floor
628.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1128.0
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
1188.8
Current Weighted rating
1188.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1188.8
Current highest rating achieved
1188.8
Current floor (min rating allowed)
688.8
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)
±168.5
Current Raw change used (final)
0.0
Projected new Raw rating
1188.8
Projected new Weighed rating
1093.7
Projected new Weighted performance
306.7
Projected new final Raw rating (if new WP > new Raw)
1188.8
Projected new highest rating
1188.8
Projected new floor
688.8
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1188.8
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
4
WP Club League 2023 (B)
2023/07/29
2023/09/09
Cape Town (WCT)
Standard
120
1.00
11
4
1.0
1135.1
1115.6
Analysis
3
Summer Slam 2022 (B)
2022/12/13
2022/12/13
Cape Town (WCT)
Rapid
20
0.47
6
6
2.5
1122.7
1200.0
Analysis
2
2019 Western Province League (B)
2019/07/27
2019/09/07
Cape Town (WCT)
Standard
120
1.00
11
1
0.0
1132.7
1127.6
Analysis
1
2018 Western Province League (B)
2018/08/04
2018/09/15
Cape Town (WCT)
Standard
90
0.94
11
7
1.0
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
18
4
1
13
4.5
25.0
-212.5
1327.4
1114.9
White
7
2
1
4
2.5
35.7
-121.4
1257.0
1135.5
Black
11
2
0
9
2.0
18.2
-270.5
1372.3
1101.8
Standard
All
12
2
0
10
2.0
16.7
-283.3
1347.6
1064.2
White
4
1
0
3
1.0
25.0
-212.5
1253.7
1041.2
Black
8
1
0
7
1.0
12.5
-318.8
1394.5
1075.7
Rapid
All
6
2
1
3
2.5
41.7
-70.8
1287.2
1216.4
White
3
1
1
1
1.5
50.0
0.0
1261.3
1261.3
Black
3
1
0
2
1.0
33.3
-141.7
1313.1
1171.5
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
100094658
Maart, R (Ralton)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1050138661
Adams, I (Iegshaan)
1
1.0
1
0
0
100.0
1122.7
425.0
1547.7
View list
3
170029755
Peters, V (Vanchasco)
1
1.0
1
0
0
100.0
1122.7
425.0
1547.7
View list
4
1930161928
Ndlovu, A (Andile)
1
1.0
1
0
0
100.0
1135.1
425.0
1560.1
View list
5
108092087
Mthi, Y (Yamkela)
1
0.5
0
1
0
50.0
1122.7
0.0
1122.7
View list
6
168043169
Wolff, UH (Ulrich)
1
0.0
0
0
1
0.0
1135.1
-425.0
710.1
View list
7
186042968
Williams, DJ (Dale)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
8
174061333
Styer, G (Garth)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
9
170033599
Schuller, A (Ashley)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
108091526
Lau, C (Callum)
1
0.0
0
0
1
0.0
1132.7
-425.0
707.7
View list
11
2110130686
Joya, I (Imkhita)
1
0.0
0
0
1
0.0
1135.1
-425.0
710.1
View list
12
108087782
Jonkers, T (Tristan)
1
0.0
0
0
1
0.0
1122.7
-425.0
697.7
View list
13
179010014
Frick, J (Jacques)
1
0.0
0
0
1
0.0
1135.1
-425.0
710.1
View list
14
104069661
Clarke, N (Nathaniel)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
15
108061372
Baruch, L (Liam)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
16
2000056152
Ariefdien, D (Dominique)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
17
108089520
Adams, K (Kyron)
1
0.0
0
0
1
0.0
1122.7
-425.0
697.7
View list
18
103086058
Adams, K (Kyle)
1
0.0
0
0
1
0.0
1122.7
-425.0
697.7
View list