Chess South Africa
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Chess South Africa
Opperman, B (Bart)
Dob:
2010/02/10 (U16)
Gender:
Male
Chess SA id:
1100097753
FIDE id:
Region:
Bojanala Platina (NBR)
Citizen:
RSA
Title(s):
Last active:
2023/08/19 (274 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
1191.7
Curent Weighted rating
1184.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1191.7
Current floor (min rating allowed)
691.7
Current highest rating achieved
1191.7
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)
±167.8
Current Raw change used (final)
0.0
Projected new Raw rating
1191.7
Projected new Weighed rating
1184.7
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1191.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1191.7
Projected new floor
691.7
Projected new K-facor
40
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
1143.6
Curent Weighted rating
1155.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1155.2
Current floor (min rating allowed)
677.6
Current highest rating achieved
1177.6
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)
±179.7
Current Raw change used (final)
0.0
Projected new Raw rating
1143.6
Projected new Weighed rating
1153.2
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1153.2
Projected effective change (new Official - current Official)
-2.0
Projected new highest rating
1177.6
Projected new floor
677.6
Projected new K-facor
40
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
1240.8
Curent Weighted rating
1218.7
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1240.8
Current floor (min rating allowed)
740.8
Current highest rating achieved
1240.8
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)
±156.5
Current Raw change used (final)
0.0
Projected new Raw rating
1240.8
Projected new Weighed rating
1221.6
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1240.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1240.8
Projected new floor
740.8
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)
740.8
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
740.8
Projected new K-facor
36
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
Bojanala School League 2023 (Primary School Open)
2023/08/19
2023/08/19
Bojanala Platina (NBR)
Rapid
40
0.70
5
5
4.0
1143.5
1177.6
Analysis
3
Olienpark - 2nd One for the Ages 2023 (U14)
2023/05/13
2023/05/13
Bojanala Platina (NBR)
Standard
60
0.83
5
2
0.0
1171.1
1177.6
Analysis
2
Grenswag's Community Battle 2023 (Knights)
2023/04/22
2023/04/22
Bojanala Platina (NBR)
Standard
60
0.83
5
5
2.0
1188.0
1200.0
Analysis
1
Nkangala 1st Tournament Curro - Witbank 2018 (F)
2018/02/24
2018/02/24
Nkangala (MNW)
Rapid
30
0.60
5
4
1.5
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
16
7
1
8
7.5
46.9
-26.6
1195.9
1169.3
White
8
3
1
4
3.5
43.8
-53.1
1190.4
1137.3
Black
8
4
0
4
4.0
50.0
0.0
1201.3
1201.3
Standard
All
7
2
0
5
2.0
28.6
-182.1
1209.8
1027.6
White
4
1
0
3
1.0
25.0
-212.5
1208.0
995.5
Black
3
1
0
2
1.0
33.3
-141.7
1212.1
1070.5
Rapid
All
9
5
1
3
5.5
61.1
94.4
1185.1
1279.5
White
4
2
1
1
2.5
62.5
106.3
1172.9
1279.1
Black
5
3
0
2
3.0
60.0
85.0
1194.9
1279.9
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
1110149565
Van Rooyen, A (Armand)
1
1.0
1
0
0
100.0
1143.5
425.0
1568.5
View list
2
1110149563
Sitole, M (Monde)
1
1.0
1
0
0
100.0
1188.0
425.0
1613.0
View list
3
1100141734
Selome, L (Leruw Neho Nkala)
1
1.0
1
0
0
100.0
1143.5
425.0
1568.5
View list
4
2150148704
Monamatha, O (Oreabetse)
1
1.0
1
0
0
100.0
1143.5
425.0
1568.5
View list
5
1100148730
Nkabinde, L (Lwazi)
1
1.0
1
0
0
100.0
1143.5
425.0
1568.5
View list
6
1100097760
De Klerk, M (Markus)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
2090131246
Aboagye-Debrah, N (Nana Adwa Adowaa)
1
1.0
1
0
0
100.0
1188.0
425.0
1613.0
View list
8
1100096046
Lutchman, R (Raheel)
1
0.5
0
1
0
50.0
1200.0
0.0
1200.0
View list
9
1110149545
Pretorius, B (Barend)
1
0.0
0
0
1
0.0
1188.0
-425.0
763.0
View list
10
1060140348
Oberholzer, D (Dorian)
1
0.0
0
0
1
0.0
1188.0
-425.0
763.0
View list
11
1110099325
Nortman, WJ (Wilhelmus Johan)
1
0.0
0
0
1
0.0
1171.1
-425.0
746.1
View list
12
208093438
Muller, C (Cleante)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
13
2120136396
Monamatha, D (Diteboho)
1
0.0
0
0
1
0.0
1188.0
-425.0
763.0
View list
14
210086572
Molefinyane, O (Omatla)
1
0.0
0
0
1
0.0
1171.1
-425.0
746.1
View list
15
1120157686
Jacobs, A (Andries)
1
0.0
0
0
1
0.0
1143.5
-425.0
718.5
View list
16
2080097762
Du Toit, C (Carla)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list