Chess South Africa
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Chess South Africa
Willenberg, I (Ivan)
Dob:
1972/06/22 (Adult)
Gender:
Male
Chess SA id:
172042914
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2024/05/11 (10 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
1384.6
Curent Weighted rating
1376.3
Curent Weighted performance
859.4
Current official/published rating (highest between Raw, WR and WP)
1384.6
Current floor (min rating allowed)
975.7
Current highest rating achieved
1475.7
Current K-factor
32
Games played this month
4
Score (S)
1.0
Expected score (We)
2.73
Difference (S-We)
-1.73
Current Raw change (no limits, including tournament time weight)
-26.0
Current min/max change allowed (with limits)
±127.5
Current Raw change used (final)
-26.0
Projected new Raw rating
1358.6
Projected new Weighed rating
1375.2
Projected new Weighted performance
859.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1375.2
Projected effective change (new Official - current Official)
-9.4
Projected new highest rating
1475.7
Projected new floor
975.7
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
1377.2
Curent Weighted rating
1368.1
Curent Weighted performance
847.3
Current official/published rating (highest between Raw, WR and WP)
1377.2
Current floor (min rating allowed)
962.0
Current highest rating achieved
1462.0
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)
±128.8
Current Raw change used (final)
0.0
Projected new Raw rating
1377.2
Projected new Weighed rating
1369.2
Projected new Weighted performance
847.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1377.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1462.0
Projected new floor
962.0
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
1472.0
Curent Weighted rating
1472.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1472.0
Current floor (min rating allowed)
994.1
Current highest rating achieved
1494.1
Current K-factor
32
Games played this month
4
Score (S)
1.0
Expected score (We)
3.08
Difference (S-We)
-2.08
Current Raw change (no limits, including tournament time weight)
-66.6
Current min/max change allowed (with limits)
±112.5
Current Raw change used (final)
-66.6
Projected new Raw rating
1405.4
Projected new Weighed rating
1466.7
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1466.7
Projected effective change (new Official - current Official)
-5.3
Projected new highest rating
1494.1
Projected new floor
994.1
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
1462.0
Curent Weighted rating
1461.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1462.0
Current floor (min rating allowed)
994.1
Current highest rating achieved
1462.0
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)
±114.2
Current Raw change used (final)
0.0
Projected new Raw rating
1462.0
Projected new Weighed rating
1461.3
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1462.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1462.0
Projected new floor
994.1
Projected new K-facor
32
Tournaments
History
Tournament:
Steinitz Chess Festival 2024 (Open Rapid)
Start:
2024/05/11
End:
2024/05/11
Host:
WCT
Type:
Rapid
Time:
20
Time weight:
0.47
Rounds:
4
Games:
4
Score:
1.0
Main rating:
1384.6
Rating gain/loss:
-26.0
Type rating:
1472.0
Rating gain/loss:
-66.6
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
Steinitz Chess Festival 2024 (Open Rapid)
2024/05/11
2024/05/11
Cape Town (WCT)
Rapid
20
0.47
6
4
1.0
1384.6
1472.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
13
Steinitz Chess Festival 2024 (Open Rapid)
2024/05/11
2024/05/11
Cape Town (WCT)
Rapid
20
0.47
6
4
1.0
1384.6
1472.0
Analysis
12
WP Club League 2023 (D PlayOffs)
2023/09/02
2023/09/09
Cape Town (WCT)
Standard
70
0.87
5
3
2.5
1359.3
1349.7
Analysis
11
WP Club League 2023 (D2)
2023/08/05
2023/08/26
Cape Town (WCT)
Standard
70
0.87
6
2
1.0
1364.3
1354.8
Analysis
10
2022 Western Province Club League (D)
2022/08/27
2022/10/01
Cape Town (WCT)
Standard
70
0.87
7
4
2.0
1366.0
1359.6
Analysis
9
Steinitz Open 2022 (C)
2022/05/21
2022/05/22
Cape Town (WCT)
Standard
60
0.83
5
5
4.0
1333.3
1326.6
Analysis
8
2019 Western Province League (C)
2019/07/27
2019/09/07
Cape Town (WCT)
Standard
120
1.00
11
8
1.5
1433.5
1423.9
Analysis
7
2019 Elsies River Open (Open)
2019/06/22
2019/06/23
Cape Town (WCT)
Standard
70
0.87
6
6
4.0
1424.9
1420.1
Analysis
6
Condorgreen Mitchell`s Plain Chess Open Tournament 2019
2019/06/01
2019/06/02
Cape Town (WCT)
Rapid
25
0.54
9
9
5.5
1424.9
1494.1
Analysis
5
Crossroads Open Chess Championship 2019 (C)
2019/04/27
2019/04/28
Cape Town (WCT)
Standard
70
0.87
6
6
5.0
1387.6
1373.4
Analysis
4
Steinitz Chess Festival 2019 (B)
2019/04/05
2019/04/07
Cape Town (WCT)
Standard
70
0.87
6
6
3.5
1387.6
1373.4
Analysis
2
2018 Western Province League (B)
2018/08/04
2018/09/15
Cape Town (WCT)
Standard
90
0.94
11
7
0.5
1475.7
1460.8
Analysis
3
2018 Western Province League (B)
2018/08/04
2018/09/15
Cape Town (WCT)
Standard
90
0.94
11
4
1.0
1475.7
1460.8
Analysis
1
Eldo Smart Memorial Rapid Tournament 2018
2018/06/16
2018/06/16
Cape Town (WCT)
Rapid
20
0.47
7
7
4.5
1460.8
1460.8
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
4
1
0
3
1.0
25.0
-212.5
1226.3
1013.8
White
2
1
0
1
1.0
50.0
0.0
1217.9
1217.9
Black
2
0
0
2
0.0
0.0
-425.0
1234.7
809.7
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
4
1
0
3
1.0
25.0
-212.5
1226.3
1013.8
White
2
1
0
1
1.0
50.0
0.0
1217.9
1217.9
Black
2
0
0
2
0.0
0.0
-425.0
1234.7
809.7
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
71
32
8
31
36.0
50.7
6.0
1365.9
1371.9
White
30
18
4
8
20.0
66.7
141.7
1332.9
1474.6
Black
41
14
4
23
16.0
39.0
-93.3
1390.0
1296.7
Standard
All
51
22
6
23
25.0
49.0
-8.3
1362.4
1354.0
White
20
11
3
6
12.5
62.5
106.3
1319.6
1425.8
Black
31
11
3
17
12.5
40.3
-82.3
1390.0
1307.7
Rapid
All
20
10
2
8
11.0
55.0
42.5
1374.9
1417.4
White
10
7
1
2
7.5
75.0
212.5
1359.6
1572.1
Black
10
3
1
6
3.5
35.0
-127.5
1390.1
1262.6
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
105094575
Nonco, L (Lwazi)
2
2.0
2
0
0
100.0
1387.6
425.0
1812.6
View list
2
211087036
Osborne, H (Hannah)
2
2.0
2
0
0
100.0
1397.0
425.0
1822.0
View list
3
1110106190
Salimu, C (Chase)
2
2.0
2
0
0
100.0
1406.3
425.0
1831.3
View list
4
2000056152
Ariefdien, D (Dominique)
2
1.5
1
1
0
75.0
1387.6
212.5
1600.1
View list
5
162042913
Willenberg, GI (Glen)
2
1.0
1
0
1
50.0
1468.3
0.0
1468.3
View list
6
207090602
Fani, Z (Zimi)
1
1.0
1
0
0
100.0
1366.0
425.0
1791.0
View list
7
1080150205
Devaney, N (Nigel)
1
1.0
1
0
0
100.0
1384.6
425.0
1809.6
View list
8
169061334
De Jager, L (Leon)
1
1.0
1
0
0
100.0
1359.3
425.0
1784.3
View list
9
106092092
Budge, D (Daniel)
1
1.0
1
0
0
100.0
1359.3
425.0
1784.3
View list
10
188003737
Brown, JR (John-Rodney)
1
1.0
1
0
0
100.0
1475.7
425.0
1900.7
View list
11
157003719
Brown, D (Deon)
1
1.0
1
0
0
100.0
1424.9
425.0
1849.9
View list
12
107087105
Brink, W (Wihan)
1
1.0
1
0
0
100.0
1333.3
425.0
1758.3
View list
13
108089520
Adams, K (Kyron)
1
1.0
1
0
0
100.0
1424.9
425.0
1849.9
View list
14
103086058
Adams, K (Kyle)
1
1.0
1
0
0
100.0
1424.9
425.0
1849.9
View list
15
207090606
Gcuze, K (Khanya)
1
1.0
1
0
0
100.0
1387.6
425.0
1812.6
View list
16
1040103482
Halley, J (Joshua)
1
1.0
1
0
0
100.0
1460.8
425.0
1885.8
View list
17
165012829
Honey, H (Hendrik)
1
1.0
1
0
0
100.0
1433.5
425.0
1858.5
View list
18
105013511
Jaffer, U (Uzair)
1
1.0
1
0
0
100.0
1424.9
425.0
1849.9
View list
19
1100161560
Kavule, G (Godfrey)
1
1.0
1
0
0
100.0
1364.3
425.0
1789.3
View list
20
2030114976
Martheze, Z (Zafirah)
1
1.0
1
0
0
100.0
1424.9
425.0
1849.9
View list