Chess South Africa
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Chess South Africa
Duma, S (Sibonelo)
Dob:
1990/04/12 (Adult)
Gender:
Male
Chess SA id:
190092520
FIDE id:
Region:
Ethekwini (KED)
Citizen:
RSA
Title(s):
Last active:
2019/12/06 (1624 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
1635.8
Curent Weighted rating
1510.8
Curent Weighted performance
587.8
Current official/published rating (highest between Raw, WR and WP)
1635.8
Current floor (min rating allowed)
1135.8
Current highest rating achieved
1635.8
Current K-factor
28
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)
±89.1
Current Raw change used (final)
0.0
Projected new Raw rating
1635.8
Projected new Weighed rating
1523.3
Projected new Weighted performance
587.8
Projected new official/published rating (highest between new Raw, new WR and new WP)
1635.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1635.8
Projected new floor
1135.8
Projected new K-facor
28
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
1585.2
Curent Weighted rating
1486.9
Curent Weighted performance
561.1
Current official/published rating (highest between Raw, WR and WP)
1585.2
Current floor (min rating allowed)
1085.2
Current highest rating achieved
1585.2
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)
±95.8
Current Raw change used (final)
0.0
Projected new Raw rating
1585.2
Projected new Weighed rating
1496.7
Projected new Weighted performance
561.1
Projected new official/published rating (highest between new Raw, new WR and new WP)
1585.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1585.2
Projected new floor
1085.2
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
1372.4
Curent Weighted rating
1301.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1372.4
Current floor (min rating allowed)
872.4
Current highest rating achieved
1372.4
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)
±129.7
Current Raw change used (final)
0.0
Projected new Raw rating
1372.4
Projected new Weighed rating
1308.3
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1372.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1372.4
Projected new floor
872.4
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
1347.1
Curent Weighted rating
1330.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1347.1
Current floor (min rating allowed)
872.4
Current highest rating achieved
1347.1
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)
±134.5
Current Raw change used (final)
0.0
Projected new Raw rating
1347.1
Projected new Weighed rating
1332.2
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1347.1
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1347.1
Projected new floor
872.4
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
13
2019 USSA Championships (Blitz)
2019/12/04
2019/12/04
Sarah Baartman (ESB)
Blitz
5
0.18
9
9
4.0
1408.3
1325.0
Analysis
12
2019 USSA Championships (Open)
2019/12/02
2019/12/06
Sarah Baartman (ESB)
Standard
90
0.94
9
9
4.0
1408.3
1403.4
Analysis
11
2019 DCC Third Swiss
2019/10/10
2019/11/21
Ethekwini (KED)
Standard
120
1.00
6
4
1.0
1472.3
1470.0
Analysis
10
2019 Darryl Mhlongo Blitz
2019/10/03
2019/10/03
Ethekwini (KED)
Blitz
5
0.18
8
8
5.0
1469.3
1272.4
Analysis
9
2019 John Blackburn Memorial Swiss
2019/08/01
2019/09/19
Ethekwini (KED)
Standard
120
1.00
7
5
3.0
1494.6
1496.6
Analysis
8
2019 Ethekwini Open (A)
2019/03/30
2019/03/31
Ethekwini (KED)
Standard
60
0.83
6
5
4.0
1485.8
1474.2
Analysis
7
2019 Durban Chess Club Championship (C)
2019/03/14
2019/05/09
Ethekwini (KED)
Standard
120
1.00
9
6
5.0
1497.5
1502.4
Analysis
6
2019 Ethekwini Club Challenge
2019/02/24
2019/02/24
Ethekwini (KED)
Rapid
25
0.54
6
4
3.0
1471.5
1200.0
Analysis
5
2018 Durban CC Third Swiss
2018/10/11
2018/11/15
Ethekwini (KED)
Standard
120
1.00
6
5
2.0
1490.1
1493.4
Analysis
4
2018 Mhlongo Memorial Blitz
2018/10/04
2018/10/04
Ethekwini (KED)
Blitz
5
0.18
9
9
5.5
1487.1
1200.0
Analysis
3
2018 Ethekwini League
2018/09/09
2018/10/21
Ethekwini (KED)
Standard
90
0.94
7
5
2.5
1487.1
1486.4
Analysis
2
2018 John Blackburn Memorial
2018/08/02
2018/09/27
Ethekwini (KED)
Standard
120
1.00
7
7
6.0
1365.8
1365.8
Analysis
1
2018 USSA Championship (Open)
2018/07/02
2018/07/06
Gert Sibande (MGS)
Standard
90
0.94
9
9
6.0
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
85
50
2
33
51.0
60.0
85.0
1443.0
1528.0
White
42
30
2
10
31.0
73.8
202.4
1403.9
1606.3
Black
43
20
0
23
20.0
46.5
-29.7
1481.3
1451.6
Standard
All
55
33
1
21
33.5
60.9
92.7
1447.8
1540.5
White
26
18
1
7
18.5
71.2
179.8
1397.1
1577.0
Black
29
15
0
14
15.0
51.7
14.7
1493.2
1507.9
Rapid
All
4
3
0
1
3.0
75.0
212.5
1365.3
1577.8
White
3
2
0
1
2.0
66.7
141.7
1347.3
1489.0
Black
1
1
0
0
1.0
100.0
425.0
1419.2
1844.2
Blitz
All
26
14
1
11
14.5
55.8
49.0
1444.9
1494.0
White
13
10
1
2
10.5
80.8
261.5
1430.4
1692.0
Black
13
4
0
9
4.0
30.8
-163.5
1459.4
1295.9
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1000104049
Makhathini, X (Xolani)
3
3.0
3
0
0
100.0
1479.7
425.0
1904.7
View list
2
100091894
Mkhaliphi, B (Bandile)
3
3.0
3
0
0
100.0
1493.1
425.0
1918.1
View list
3
185094663
Seebran, N (Nitesh)
2
2.0
2
0
0
100.0
1431.7
425.0
1856.7
View list
4
197089415
Yusuf, Z (Zain)
2
2.0
2
0
0
100.0
1483.4
425.0
1908.4
View list
5
106085345
Govender, L (Lesharn)
2
1.0
1
0
1
50.0
1488.6
0.0
1488.6
View list
6
111092159
Kumarasamy, D (Daaruk)
2
1.0
1
0
1
50.0
1483.4
0.0
1483.4
View list
7
191008051
Du Preez, JL (Johannes)
2
1.0
1
0
1
50.0
1426.4
0.0
1426.4
View list
8
208082585
Pillai, N (Nanditha)
2
1.0
1
0
1
50.0
1484.9
0.0
1484.9
View list
9
178032502
Rooplal, D (Desmond)
2
1.0
1
0
1
50.0
1480.8
0.0
1480.8
View list
10
108079781
Soojay, J (Jorah)
2
1.0
1
0
1
50.0
1486.4
0.0
1486.4
View list
11
1930104062
Thebe, A (Andile)
2
1.0
1
0
1
50.0
1481.9
0.0
1481.9
View list
12
163006020
Danisa, CT (Cyril)
2
0.0
0
0
2
0.0
1417.5
-425.0
992.5
View list
13
100081978
Madiya, S (Sisekelo)
2
0.0
0
0
2
0.0
1470.8
-425.0
1045.8
View list
14
198082772
Sekharume, L (Lefu)
2
0.0
0
0
2
0.0
1408.3
-425.0
983.3
View list
15
199042452
Waters, A (Anre)
2
0.0
0
0
2
0.0
1408.3
-425.0
983.3
View list
16
1960104013
Magatsela, B (Bradley)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
17
171010743
Gopaulsingh, N (Nadean)
1
1.0
1
0
0
100.0
1365.8
425.0
1790.8
View list
18
197006856
De Villiers, OA (Ockert)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
19
199066096
Kubheka, L (Lucky)
1
1.0
1
0
0
100.0
1408.3
425.0
1833.3
View list
20
197015404
Khawula, W (Welile)
1
1.0
1
0
0
100.0
1487.1
425.0
1912.1
View list