Chess South Africa
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Chess South Africa
Grunenfelder, S (Stiaan Bosua)
Dob:
2008/07/08 (U18)
Gender:
Male
Chess SA id:
1080145977
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2022/08/26 (626 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
1250.5
Curent Weighted rating
1249.4
Curent Weighted performance
712.2
Current official/published rating (highest between Raw, WR and WP)
1250.5
Current floor (min rating allowed)
750.5
Current highest rating achieved
1250.5
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)
±154.3
Current Raw change used (final)
0.0
Projected new Raw rating
1250.5
Projected new Weighed rating
1250.1
Projected new Weighted performance
712.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1250.5
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1250.5
Projected new floor
750.5
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
1265.2
Curent Weighted rating
1263.8
Curent Weighted performance
708.7
Current official/published rating (highest between Raw, WR and WP)
1265.2
Current floor (min rating allowed)
765.2
Current highest rating achieved
1265.2
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)
±151.1
Current Raw change used (final)
0.0
Projected new Raw rating
1265.2
Projected new Weighed rating
1264.7
Projected new Weighted performance
708.7
Projected new official/published rating (highest between new Raw, new WR and new WP)
1265.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1265.2
Projected new floor
765.2
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)
700.0
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
700.0
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)
700.0
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
700.0
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
19
2022 Gauteng Schools Team Championships (U15 Open)
2022/08/26
2022/08/26
Tshwane (GTP)
Standard
60
0.83
5
5
5.0
1138.9
1127.6
Analysis
18
2019 D4 Individual Finals (U11 Mixed)
2019/03/09
2019/03/09
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1130.6
1118.4
Analysis
17
2019 Constantia Park Open (C)
2019/02/09
2019/02/09
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1126.0
1111.2
Analysis
16
2019 Tshwane Chess Registration Tournament (C)
2019/01/26
2019/01/26
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1128.7
1118.4
Analysis
15
2019 Centurion Club Tournament Open
2019/01/23
2019/01/30
Tshwane (GTP)
Standard
60
0.83
6
1
0.0
1128.7
1118.4
Analysis
14
Boksburg Open 2019 (C)
2019/01/19
2019/01/19
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1128.7
1118.4
Analysis
13
2018 Wild Card Chess Championships (U12 Open)
2018/12/21
2018/12/24
4 Knights (4K)
Standard
120
1.00
7
7
3.5
1166.8
1164.8
Analysis
12
South African Junior Team Championships 2018 (U12B)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
7
1.0
1166.8
1164.8
Analysis
11
2018 Tshwane Inter Region (U12B)
2018/12/01
2018/12/01
Cape Town (WCT)
Standard
60
0.83
5
5
5.0
1166.8
1164.8
Analysis
10
2018 Lardies Ope (C)
2018/10/27
2018/10/27
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1134.4
1124.0
Analysis
9
2018 Gauteng North Open (C)
2018/10/20
2018/10/21
Tshwane (GTP)
Standard
90
0.94
5
5
2.5
1134.4
1124.0
Analysis
8
2018 Etienne Lewis Trials (U12 Boys)
2018/08/31
2018/09/02
Tshwane (GTP)
Standard
120
1.00
7
7
4.0
1109.2
1106.0
Analysis
7
Ekurhuleni Open 2018 (C)
2018/08/18
2018/08/18
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1130.4
1126.4
Analysis
6
2018 Alekhine Open (C)
2018/08/09
2018/08/11
Tshwane (GTP)
Standard
90
0.94
6
6
3.0
1130.4
1126.4
Analysis
5
2018 D4 Tshwane South Schools League Finals (U13)
2018/08/03
2018/08/03
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1130.4
1126.4
Analysis
4
2018 Menlo Open Chess Tournament (C)
2018/07/21
2018/07/21
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1125.4
1119.2
Analysis
3
2018 Swartkop Open (C)
2018/06/23
2018/06/23
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1169.9
1174.0
Analysis
2
2018 Gauteng Secondary Schools Individual Chess Championships (U11 Boys)
2018/05/25
2018/05/25
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1138.0
1134.4
Analysis
1
2018 Capablanca Swiss (C)
2018/04/27
2018/04/29
Tshwane (GTP)
Standard
90
0.94
7
7
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
100
52
9
39
56.5
56.5
55.2
1095.3
1150.5
White
47
24
4
19
26.0
55.3
45.2
1083.9
1129.1
Black
53
28
5
20
30.5
57.5
64.2
1105.3
1169.5
Standard
All
100
52
9
39
56.5
56.5
55.2
1095.3
1150.5
White
47
24
4
19
26.0
55.3
45.2
1083.9
1129.1
Black
53
28
5
20
30.5
57.5
64.2
1105.3
1169.5
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
108052034
Du Toit, SJM (Stephanus (Matteo))
2
2.0
2
0
0
100.0
1150.6
425.0
1575.6
View list
2
1070096804
Scheepers, D (Divan)
2
2.0
2
0
0
100.0
1129.6
425.0
1554.6
View list
3
207056039
Smit, M (Mikayla)
2
2.0
2
0
0
100.0
1150.2
425.0
1575.2
View list
4
105055266
Van Den Berg, R (Rynhardt)
2
2.0
2
0
0
100.0
1164.3
425.0
1589.3
View list
5
110092658
Van Nieuwenhuizen, BF (Bernard)
2
2.0
2
0
0
100.0
1148.6
425.0
1573.6
View list
6
108073056
Lotter, CJ (Christiaan Johannes)
2
1.5
1
1
0
75.0
1119.9
212.5
1332.4
View list
7
105065850
Neethling, JC (Jandre Constantene)
2
1.5
1
1
0
75.0
1167.2
212.5
1379.7
View list
8
104029045
Oosthuizen, JR (John)
2
1.5
1
1
0
75.0
1129.6
212.5
1342.1
View list
9
1060104959
Stadler, H (Helgard)
2
1.0
1
0
1
50.0
1129.6
0.0
1129.6
View list
10
109092649
Webb, K (Kagan)
2
1.0
1
0
1
50.0
1146.4
0.0
1146.4
View list
11
207077136
Kleynhans, N (Nelrie)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
12
109088372
Gruenenfelder, W (Werni)
1
1.0
1
0
0
100.0
1126.0
425.0
1551.0
View list
13
107088585
Grobler, JTW (Johannes Theodorus Wessel)
1
1.0
1
0
0
100.0
1138.9
425.0
1563.9
View list
14
106076003
Dvir, O (Omer)
1
1.0
1
0
0
100.0
1125.4
425.0
1550.4
View list
15
177088863
Britz, R (Riaan)
1
1.0
1
0
0
100.0
1134.4
425.0
1559.4
View list
16
110088599
Bogaard, FK (Franco)
1
1.0
1
0
0
100.0
1166.8
425.0
1591.8
View list
17
1070101240
Boshoff, B (Benje)
1
1.0
1
0
0
100.0
1128.7
425.0
1553.7
View list
18
107078445
Du Plessis, S (Schalk)
1
1.0
1
0
0
100.0
1138.0
425.0
1563.0
View list
19
1090098577
Kluge, H (Hermann)
1
1.0
1
0
0
100.0
1130.6
425.0
1555.6
View list
20
110095325
Lourens, J (Jurgen)
1
1.0
1
0
0
100.0
1166.8
425.0
1591.8
View list