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:
2024/09/07 (85 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
1345.8
Current Weighted rating
1366.3
Current Weighted performance
1161.9
Current official/published rating (highest between Raw, WR and WP)
1366.3
Current highest rating achieved
1475.7
Current floor (min rating allowed)
975.7
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)
±134.7
Current Raw change used (final)
0.0
Projected new Raw rating
1345.8
Projected new Weighed rating
1256.9
Projected new Weighted performance
1161.9
Projected new final Raw rating (if new WP > new Raw)
1345.8
Projected new highest rating
1475.7
Projected new floor
975.7
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1345.8
Projected effective change (new Official - current Official)
-20.5
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
1356.4
Current Weighted rating
1369.6
Current Weighted performance
1173.4
Current official/published rating (highest between Raw, WR and WP)
1369.6
Current highest rating achieved
1462.0
Current floor (min rating allowed)
962.0
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)
±132.7
Current Raw change used (final)
0.0
Projected new Raw rating
1356.4
Projected new Weighed rating
1260.2
Projected new Weighted performance
1173.4
Projected new final Raw rating (if new WP > new Raw)
1356.4
Projected new highest rating
1462.0
Projected new floor
962.0
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1356.4
Projected effective change (new Official - current Official)
-13.2
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
1405.4
Current Weighted rating
1439.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1439.4
Current highest rating achieved
1494.1
Current floor (min rating allowed)
994.1
Current K-factor
32
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)
±123.7
Current Raw change used (final)
0.0
Projected new Raw rating
1405.4
Projected new Weighed rating
1323.2
Projected new Weighted performance
497.1
Projected new final Raw rating (if new WP > new Raw)
1405.4
Projected new highest rating
1494.1
Projected new floor
994.1
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1405.4
Projected effective change (new Official - current Official)
-34.0
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
1462.0
Current Weighted rating
1461.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1462.0
Current highest rating achieved
1462.0
Current floor (min rating allowed)
962.0
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
1344.8
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1462.0
Projected new floor
962.0
Projected new K-facor
32
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
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
3
CT League 2024 (D)
2024/08/03
2024/08/03
Cape Town (WCT)
Standard
70
0.87
6
3
2.0
1358.6
1377.2
Analysis
2
CT League 2024 (C)
2024/07/20
2024/09/07
Cape Town (WCT)
Standard
120
1.00
11
2
0.5
1358.6
1377.2
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
15
CT League 2024 (D)
2024/08/03
2024/08/03
Cape Town (WCT)
Standard
70
0.87
6
3
2.0
1358.6
1377.2
Analysis
14
CT League 2024 (C)
2024/07/20
2024/09/07
Cape Town (WCT)
Standard
120
1.00
11
2
0.5
1358.6
1377.2
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
9
3
1
5
3.5
38.9
-94.4
1267.9
1173.5
White
5
3
1
1
3.5
70.0
170.0
1242.6
1412.6
Black
4
0
0
4
0.0
0.0
-425.0
1299.5
874.5
Standard
All
5
2
1
2
2.5
50.0
0.0
1301.2
1301.2
White
3
2
1
0
2.5
83.3
283.3
1259.1
1542.5
Black
2
0
0
2
0.0
0.0
-425.0
1364.3
939.3
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
76
34
9
33
38.5
50.7
5.6
1361.6
1367.2
White
33
20
5
8
22.5
68.2
154.5
1326.2
1480.8
Black
43
14
4
25
16.0
37.2
-108.7
1388.8
1280.1
Standard
All
56
24
7
25
27.5
49.1
-7.6
1356.9
1349.3
White
23
13
4
6
15.0
65.2
129.3
1311.7
1441.0
Black
33
11
3
19
12.5
37.9
-103.0
1388.4
1285.4
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
1990146854
Evans, J (Justin)
1
1.0
1
0
0
100.0
1358.6
425.0
1783.6
View list
8
1080150205
Devaney, N (Nigel)
1
1.0
1
0
0
100.0
1384.6
425.0
1809.6
View list
9
169061334
De Jager, L (Leon)
1
1.0
1
0
0
100.0
1359.3
425.0
1784.3
View list
10
106092092
Budge, D (Daniel)
1
1.0
1
0
0
100.0
1359.3
425.0
1784.3
View list
11
188003737
Brown, JR (John-Rodney)
1
1.0
1
0
0
100.0
1475.7
425.0
1900.7
View list
12
157003719
Brown, D (Deon)
1
1.0
1
0
0
100.0
1424.9
425.0
1849.9
View list
13
107087105
Brink, W (Wihan)
1
1.0
1
0
0
100.0
1333.3
425.0
1758.3
View list
14
108089520
Adams, K (Kyron)
1
1.0
1
0
0
100.0
1424.9
425.0
1849.9
View list
15
103086058
Adams, K (Kyle)
1
1.0
1
0
0
100.0
1424.9
425.0
1849.9
View list
16
207090606
Gcuze, K (Khanya)
1
1.0
1
0
0
100.0
1387.6
425.0
1812.6
View list
17
1040103482
Halley, J (Joshua)
1
1.0
1
0
0
100.0
1460.8
425.0
1885.8
View list
18
165012829
Honey, H (Hendrik)
1
1.0
1
0
0
100.0
1433.5
425.0
1858.5
View list
19
105013511
Jaffer, U (Uzair)
1
1.0
1
0
0
100.0
1424.9
425.0
1849.9
View list
20
1100161560
Kavule, G (Godfrey)
1
1.0
1
0
0
100.0
1364.3
425.0
1789.3
View list