Chess South Africa
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Chess South Africa
Pienaar, S (Schalk)
Dob:
2005/08/10 (U20)
Gender:
Male
Chess SA id:
105054573
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2022/09/03 (821 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
1306.7
Current Weighted rating
1306.7
Current Weighted performance
919.2
Current official/published rating (highest between Raw, WR and WP)
1306.7
Current highest rating achieved
1306.7
Current floor (min rating allowed)
806.7
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)
±142.4
Current Raw change used (final)
0.0
Projected new Raw rating
1306.7
Projected new Weighed rating
1202.2
Projected new Weighted performance
919.2
Projected new final Raw rating (if new WP > new Raw)
1306.7
Projected new highest rating
1306.7
Projected new floor
806.7
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1306.7
Projected effective change (new Official - current Official)
=0.0
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
1303.9
Current Weighted rating
1303.9
Current Weighted performance
919.2
Current official/published rating (highest between Raw, WR and WP)
1303.9
Current highest rating achieved
1303.9
Current floor (min rating allowed)
803.9
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)
±143.0
Current Raw change used (final)
0.0
Projected new Raw rating
1303.9
Projected new Weighed rating
1199.6
Projected new Weighted performance
919.2
Projected new final Raw rating (if new WP > new Raw)
1303.9
Projected new highest rating
1303.9
Projected new floor
803.9
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1303.9
Projected effective change (new Official - current Official)
=0.0
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
647.8
Current Weighted rating
647.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
647.8
Current highest rating achieved
647.8
Current floor (min rating allowed)
500.0
Current K-factor
40
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)
±364.2
Current Raw change used (final)
0.0
Projected new Raw rating
647.8
Projected new Weighed rating
596.0
Projected new Weighted performance
90.9
Projected new final Raw rating (if new WP > new Raw)
647.8
Projected new highest rating
647.8
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
647.8
Projected effective change (new Official - current Official)
=0.0
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
553.4
Current Weighted rating
553.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
553.4
Current highest rating achieved
553.4
Current floor (min rating allowed)
500.0
Current K-factor
40
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)
±416.6
Current Raw change used (final)
0.0
Projected new Raw rating
553.4
Projected new Weighed rating
509.1
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
553.4
Projected new floor
500.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
553.4
Projected effective change (new Official - current Official)
=0.0
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
37
Ekurhuleni Chess Springs Club Open 2022 (C)
2022/09/03
2022/09/03
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1274.1
1270.4
Analysis
36
2022 Gauteng Schools Individual Chess Championship (U18 Boys)
2022/06/18
2022/06/18
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1255.9
1245.2
Analysis
35
Ekurhuleni Trials 2 2022 (U20)
2022/05/28
2022/05/28
Ekurhuleni (GE)
Standard
62
0.84
5
5
2.0
1272.2
1264.3
Analysis
34
2022 Gauteng Interregion (U18 Open)
2022/02/26
2022/02/26
Tshwane (GTP)
Standard
60
0.83
5
4
1.0
1283.3
1280.5
Analysis
33
Heidelberg Open 2022 (B)
2022/02/05
2022/02/05
Sedibeng (GSV)
Standard
61
0.83
5
4
2.0
1283.3
1280.5
Analysis
32
Ekurhuleni Chess Open 2022 (C)
2022/01/08
2022/01/08
Ekurhuleni (GE)
Standard
60
0.83
5
5
4.0
1243.3
1236.2
Analysis
31
Ekurhuleni Chess Chessa Open 2021 (B)
2021/03/27
2021/03/27
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1243.6
1236.6
Analysis
30
Alberton Chess Club Open 2020 (C)
2020/02/22
2020/02/22
Ekurhuleni (GE)
Standard
60
0.83
5
4
3.0
1208.1
1209.9
Analysis
29
Springs Chess Club Open 2020 (B)
2020/01/25
2020/01/25
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1142.2
1139.5
Analysis
28
2019 Wild Card Chess Championship (U16 Open)
2020/01/09
2020/01/12
4 Knights (4K)
Standard
120
1.00
7
7
2.5
1142.2
1139.5
Analysis
27
2019 South African Junior Team Championships (U16D)
2020/01/04
2020/01/08
4 Knights (4K)
Standard
120
1.00
7
7
4.0
1142.2
1139.5
Analysis
26
GE vs GSV Inter Regional 2019 (U16C)
2019/10/26
2019/10/26
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1085.5
1083.5
Analysis
25
Ekurhuleni Grand Prix 2019 (B)
2019/09/14
2019/09/14
Ekurhuleni (GE)
Standard
60
0.83
5
5
1.0
1100.4
1102.3
Analysis
24
Springs Open 2019 (B)
2019/08/31
2019/08/31
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1086.9
1085.1
Analysis
23
Boksburg Chess Club Open 2019 (B)
2019/07/13
2019/07/13
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1075.9
1074.3
Analysis
22
2019 Swartkop Open (C)
2019/06/15
2019/06/15
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1063.0
1055.9
Analysis
21
Ekurhuleni Trials (3) 2019 (U16)
2019/06/08
2019/06/08
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1063.0
1055.9
Analysis
20
2019 Gauteng Secondary Schools Individual Chess Championships (U15 Boys)
2019/05/25
2019/05/25
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1080.9
1075.5
Analysis
19
Ekurhuleni Trials 2 2019 (U16)
2019/04/27
2019/04/27
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1111.2
1110.5
Analysis
18
Primrose Chess Club Open 2019 (B)
2019/04/13
2019/04/13
Ekurhuleni (GE)
Standard
60
0.83
5
5
1.0
1111.2
1110.5
Analysis
1
2
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
190
83
3
104
84.5
44.5
-47.0
1136.7
1089.8
White
93
37
2
54
38.0
40.9
-77.7
1143.8
1066.1
Black
97
46
1
50
46.5
47.9
-17.5
1129.9
1112.4
Standard
All
184
80
3
101
81.5
44.3
-48.5
1134.3
1085.8
White
90
36
2
52
37.0
41.1
-75.6
1141.1
1065.6
Black
94
44
1
49
44.5
47.3
-22.6
1127.7
1105.1
Rapid
All
6
3
0
3
3.0
50.0
0.0
1212.4
1212.4
White
3
1
0
2
1.0
33.3
-141.7
1224.7
1083.0
Black
3
2
0
1
2.0
66.7
141.7
1200.0
1341.7
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
105088019
Nickols, C (Corneil)
4
4.0
4
0
0
100.0
1148.4
425.0
1573.4
View list
2
205067320
De Beer, J (Janka)
3
1.0
1
0
2
33.3
1004.0
-141.7
862.4
View list
3
106086008
Swart, Z (Zander)
3
1.0
1
0
2
33.3
917.1
-141.7
775.4
View list
4
105066120
Wallace, A (Aiden)
3
1.0
1
0
2
33.3
1053.9
-141.7
912.2
View list
5
105088026
Black, B (Brayden)
2
2.0
2
0
0
100.0
1153.2
425.0
1578.2
View list
6
106076510
Attwell, R (Rowan)
2
2.0
2
0
0
100.0
895.7
425.0
1320.7
View list
7
108088646
Hawkins, J (Joshua)
2
2.0
2
0
0
100.0
898.3
425.0
1323.3
View list
8
205047590
Du Plessis, M (Marete)
2
1.0
1
0
1
50.0
984.3
0.0
984.3
View list
9
106056513
Human, PMB (Petrus)
2
1.0
1
0
1
50.0
1009.0
0.0
1009.0
View list
10
1060101854
Mashego, T (Tshepo)
2
1.0
1
0
1
50.0
751.5
0.0
751.5
View list
11
106069584
Smit, J (Jan-Daniel)
2
1.0
1
0
1
50.0
751.5
0.0
751.5
View list
12
105047588
Datnow, J (Jarin)
2
0.0
0
0
2
0.0
751.5
-425.0
326.5
View list
13
107069948
Jones, W (William)
2
0.0
0
0
2
0.0
1021.7
-425.0
596.7
View list
14
109083783
Kushar, T (Tristan)
2
0.0
0
0
2
0.0
1076.4
-425.0
651.4
View list
15
105088007
Nash, K (Keagan)
2
0.0
0
0
2
0.0
1071.3
-425.0
646.3
View list
16
105072350
Nel, G (Grant)
2
0.0
0
0
2
0.0
950.4
-425.0
525.4
View list
17
105046331
Ristic, A (Andrej)
2
0.0
0
0
2
0.0
891.5
-425.0
466.5
View list
18
205078091
West, S (Shannon)
2
0.0
0
0
2
0.0
717.5
-425.0
292.5
View list
19
206088651
Bothma, L (Liandri)
1
1.0
1
0
0
100.0
553.4
425.0
978.4
View list
20
1050105230
Bosley, L (Luke)
1
1.0
1
0
0
100.0
862.4
425.0
1287.4
View list