Chess South Africa
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Chess South Africa
Oberholzer, JD (Dev)
Dob:
1952/03/12 (Adult)
Gender:
Male
Chess SA id:
152028682
FIDE id:
Region:
Ethekwini (KED)
Citizen:
RSA
Title(s):
Last active:
2024/04/04 (45 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
1257.7
Curent Weighted rating
1232.7
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1257.7
Current floor (min rating allowed)
760.8
Current highest rating achieved
1260.8
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)
±152.7
Current Raw change used (final)
0.0
Projected new Raw rating
1257.7
Projected new Weighed rating
1235.2
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1257.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1260.8
Projected new floor
760.8
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
1244.5
Curent Weighted rating
1222.7
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1244.5
Current floor (min rating allowed)
762.4
Current highest rating achieved
1262.4
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)
±155.6
Current Raw change used (final)
0.0
Projected new Raw rating
1244.5
Projected new Weighed rating
1224.8
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1244.5
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1262.4
Projected new floor
762.4
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
1500.0
Curent Weighted rating
1310.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1500.0
Current floor (min rating allowed)
1000.0
Current highest rating achieved
1500.0
Current K-factor
32
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)
±108.1
Current Raw change used (final)
0.0
Projected new Raw rating
1500.0
Projected new Weighed rating
1329.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1500.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1500.0
Projected new floor
1000.0
Projected new K-facor
32
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
1500.0
Curent Weighted rating
1325.4
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1500.0
Current floor (min rating allowed)
1000.0
Current highest rating achieved
1500.0
Current K-factor
32
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)
±108.1
Current Raw change used (final)
0.0
Projected new Raw rating
1500.0
Projected new Weighed rating
1342.9
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1500.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1500.0
Projected new floor
1000.0
Projected new K-facor
32
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
2024 Durban Chess Club Revive Swiss
2024/01/18
2024/04/04
Ethekwini (KED)
Standard
90
0.94
9
0
0.0
1257.7
1244.5
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
5
2024 Durban Chess Club Revive Swiss
2024/01/18
2024/04/04
Ethekwini (KED)
Standard
90
0.94
9
0
0.0
1257.7
1244.5
Analysis
4
Durban Chess Clarence Championship 2023 (A)
2023/03/18
2023/03/18
Ethekwini (KED)
Standard
60
0.83
5
5
2.0
1210.6
1202.6
Analysis
3
South African Open 2022 (Blitz)
2022/07/14
2022/07/14
Cape Town (WCT)
Blitz
5
0.18
10
10
4.5
1260.8
1200.0
Analysis
2
South African Open 2022 (B)
2022/07/09
2022/07/17
Cape Town (WCT)
Standard
120
1.00
11
11
3.5
1260.8
1262.4
Analysis
1
2020 Moss Kolnik Memorial Swiss
2020/01/16
2020/03/05
Ethekwini (KED)
Standard
120
1.00
8
8
4.0
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
34
13
2
19
14.0
41.2
-75.0
1360.0
1285.0
White
17
9
1
7
9.5
55.9
50.0
1332.5
1382.5
Black
17
4
1
12
4.5
26.5
-200.0
1387.4
1187.4
Standard
All
24
9
1
14
9.5
39.6
-88.5
1338.8
1250.3
White
12
6
1
5
6.5
54.2
35.4
1341.3
1376.8
Black
12
3
0
9
3.0
25.0
-212.5
1336.3
1123.8
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
10
4
1
5
4.5
45.0
-42.5
1410.7
1368.2
White
5
3
0
2
3.0
60.0
85.0
1311.3
1396.3
Black
5
1
1
3
1.5
30.0
-170.0
1510.1
1340.1
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
206047508
Millard, C (Charlotte)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
106064704
Jaftha, J (Jeyhlin)
1
1.0
1
0
0
100.0
1260.8
425.0
1685.8
View list
3
2100102342
Mahadeo, S (Shreeya)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
188094686
Mthethwa, S (Simphiwe)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
2830106709
Jurgens, C (C)
1
1.0
1
0
0
100.0
1260.8
425.0
1685.8
View list
6
183060789
Johnson, A (Azriel)
1
1.0
1
0
0
100.0
1260.8
425.0
1685.8
View list
7
1100143744
Devine, C (Cody)
1
1.0
1
0
0
100.0
1260.8
425.0
1685.8
View list
8
186005214
Coetzee, JS (Justin)
1
1.0
1
0
0
100.0
1260.8
425.0
1685.8
View list
9
1110111144
Chetty, M (Mikhaelin)
1
1.0
1
0
0
100.0
1210.6
425.0
1635.6
View list
10
1120113687
Prinsloo, L (Lyle)
1
1.0
1
0
0
100.0
1260.8
425.0
1685.8
View list
11
210082574
Reddy, D (Deeya)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
12
2060097845
Venter, Z (Zanri)
1
1.0
1
0
0
100.0
1260.8
425.0
1685.8
View list
13
1130147685
Zondi, S (Sethu)
1
1.0
1
0
0
100.0
1210.6
425.0
1635.6
View list
14
104092951
Adams, J (Jedediah)
1
0.5
0
1
0
50.0
1260.8
0.0
1260.8
View list
15
102094361
Oberholzer, E (Ethan)
1
0.5
0
1
0
50.0
1260.8
0.0
1260.8
View list
16
1070106570
Mbewe, ZT (Zoe)
1
0.0
0
0
1
0.0
1260.8
-425.0
835.8
View list
17
102053417
Martin, N (Nico)
1
0.0
0
0
1
0.0
1260.8
-425.0
835.8
View list
18
199025777
Msibi, NS (Nathan)
1
0.0
0
0
1
0.0
1260.8
-425.0
835.8
View list
19
106092064
Msebi, S (Simamkele)
1
0.0
0
0
1
0.0
1260.8
-425.0
835.8
View list
20
1060097568
Mizen, D (Daniel)
1
0.0
0
0
1
0.0
1260.8
-425.0
835.8
View list