Chess South Africa
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Chess South Africa
Potgieter, R (Raven)
Dob:
2014/10/10 (U12)
Gender:
Female
Chess SA id:
2140135772
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/12/08 (5 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
1175.9
Current Weighted rating
1126.9
Current Weighted performance
1212.2
Current official/published rating (highest between Raw, WR and WP)
1212.2
Current highest rating achieved
1205.1
Current floor (min rating allowed)
705.1
Current K-factor
36
Games played this month
4
Score (S)
0.0
Expected score (We)
1.35
Difference (S-We)
-1.27
Current Raw change (no limits, including tournament time weight)
-45.7
Current min/max change allowed (with limits)
±171.6
Current Raw change used (final)
-45.7
Projected new Raw rating
1130.2
Projected new Weighed rating
1037.5
Projected new Weighted performance
1114.6
Projected new final Raw rating (if new WP > new Raw)
1130.2
Projected new highest rating
1205.1
Projected new floor
705.1
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1130.2
Projected effective change (new Official - current Official)
-82.0
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
1180.9
Current Weighted rating
1117.7
Current Weighted performance
1212.2
Current official/published rating (highest between Raw, WR and WP)
1212.2
Current highest rating achieved
1206.4
Current floor (min rating allowed)
706.4
Current K-factor
36
Games played this month
4
Score (S)
0.0
Expected score (We)
1.35
Difference (S-We)
-1.35
Current Raw change (no limits, including tournament time weight)
-48.6
Current min/max change allowed (with limits)
±170.4
Current Raw change used (final)
-48.6
Projected new Raw rating
1132.3
Projected new Weighed rating
1029.0
Projected new Weighted performance
1114.6
Projected new final Raw rating (if new WP > new Raw)
1132.3
Projected new highest rating
1206.4
Projected new floor
706.4
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1132.3
Projected effective change (new Official - current Official)
-79.9
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
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
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)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
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
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
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
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
Tournaments
History
Tournament:
Gauteng Inter-Region at UJ 2024 (U12 Girls)
Start:
2024/12/07
End:
2024/12/08
Host:
GJM
Type:
Standard
Time:
90
Time weight:
0.94
Rounds:
4
Games:
4
Score:
0.0
Main rating:
1175.9
Rating gain/loss:
-45.7
Type rating:
1180.9
Rating gain/loss:
-48.6
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
13
Gauteng Inter-Region at UJ 2024 (U12 Girls)
2024/12/07
2024/12/08
Johannesburg Metro (GJM)
Standard
90
0.94
5
4
0.0
1175.9
1180.9
Analysis
12
Lardies Ope 2024 (U12)
2024/10/26
2024/10/26
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1141.8
1139.1
Analysis
11
Gauteng Top Schools 2024 (U13 Girls)
2024/10/04
2024/10/04
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1112.2
1100.9
Analysis
10
2024 Etienne Lewis (U12)
2024/08/30
2024/09/01
Tshwane (GTP)
Standard
90
0.94
7
7
2.0
1152.5
1142.7
Analysis
9
D4 Tshwane South District Schools Teams Chess Tournament 2024 (U13 Girls)
2024/08/03
2024/08/03
Tshwane (GTP)
Standard
60
0.83
3
3
2.0
1129.5
1113.2
Analysis
8
Menlopark Open Chess Tournament 2024 (U12)
2024/07/13
2024/07/13
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1124.4
1103.8
Analysis
7
2024 Chris Greyling Open Chess Tournament (D2)
2024/03/16
2024/03/16
Tshwane (GTP)
Standard
60
0.83
5
5
0.0
1205.1
1200.3
Analysis
6
2024 Wynie Robbertse Chess Tournament (D2)
2024/03/02
2024/03/02
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1205.1
1200.3
Analysis
5
2024 Constantiapark Open (D2)
2024/02/17
2024/02/17
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1125.5
1124.3
Analysis
4
2024 Blou Bul Open Chess Tournament (D)
2024/02/10
2024/02/10
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1125.5
1124.3
Analysis
3
2024 Piet Robbertse Open Chess Tournament (D2)
2024/02/03
2024/02/04
Tshwane (GTP)
Standard
90
0.94
5
5
2.5
1125.5
1124.3
Analysis
2
2024 Tshwane Chess OPEN Registration Tournament (D1)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1101.1
1097.7
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U8+U10 Girls)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
4
2.0
1101.1
1097.7
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
26
Gauteng Inter-Region at UJ 2024 (U12 Girls)
2024/12/07
2024/12/08
Johannesburg Metro (GJM)
Standard
90
0.94
5
4
0.0
1175.9
1180.9
Analysis
25
Lardies Ope 2024 (U12)
2024/10/26
2024/10/26
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1141.8
1139.1
Analysis
24
Gauteng Top Schools 2024 (U13 Girls)
2024/10/04
2024/10/04
Ekurhuleni (GE)
Standard
60
0.83
5
5
3.0
1112.2
1100.9
Analysis
23
2024 Etienne Lewis (U12)
2024/08/30
2024/09/01
Tshwane (GTP)
Standard
90
0.94
7
7
2.0
1152.5
1142.7
Analysis
22
D4 Tshwane South District Schools Teams Chess Tournament 2024 (U13 Girls)
2024/08/03
2024/08/03
Tshwane (GTP)
Standard
60
0.83
3
3
2.0
1129.5
1113.2
Analysis
21
Menlopark Open Chess Tournament 2024 (U12)
2024/07/13
2024/07/13
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1124.4
1103.8
Analysis
20
2024 Chris Greyling Open Chess Tournament (D2)
2024/03/16
2024/03/16
Tshwane (GTP)
Standard
60
0.83
5
5
0.0
1205.1
1200.3
Analysis
19
2024 Wynie Robbertse Chess Tournament (D2)
2024/03/02
2024/03/02
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1205.1
1200.3
Analysis
18
2024 Constantiapark Open (D2)
2024/02/17
2024/02/17
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1125.5
1124.3
Analysis
17
2024 Blou Bul Open Chess Tournament (D)
2024/02/10
2024/02/10
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1125.5
1124.3
Analysis
16
2024 Piet Robbertse Open Chess Tournament (D2)
2024/02/03
2024/02/04
Tshwane (GTP)
Standard
90
0.94
5
5
2.5
1125.5
1124.3
Analysis
15
2024 Tshwane Chess OPEN Registration Tournament (D1)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1101.1
1097.7
Analysis
14
2024 Gauteng Inter-Region Chess Championship (U8+U10 Girls)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
4
2.0
1101.1
1097.7
Analysis
13
Lardies Open Tournament 2023 (D2)
2023/10/28
2023/10/28
Tshwane (GTP)
Standard
60
0.83
5
4
1.0
1112.2
1111.7
Analysis
12
2023 Etienne Lewis Closed Tournament (U10)
2023/08/25
2023/08/27
Tshwane (GTP)
Standard
90
0.94
7
7
2.5
1097.0
1090.1
Analysis
11
2023 Woman's Day Open Chess Tournament (Bishop)
2023/08/09
2023/08/09
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1097.0
1090.1
Analysis
10
Laerskool Constantiapark Open Chess Tournament 2023 (U10)
2023/02/18
2023/02/18
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1081.3
1066.7
Analysis
9
2023 Piet Robbertse Fide Rated Open Chess Tournament (E)
2023/02/04
2023/02/04
Tshwane (GTP)
Standard
90
0.94
5
5
2.0
1081.3
1066.7
Analysis
8
2023 Tshwane Chess Open Registration Tournament (E)
2023/01/28
2023/01/28
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1081.0
1063.1
Analysis
7
Lardies Tournament 2022 (U10)
2022/10/29
2022/10/29
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1118.6
1107.4
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
63
24
2
37
25.0
39.7
-87.7
1232.9
1145.2
White
28
13
1
14
13.5
48.2
-15.2
1230.0
1214.8
Black
35
11
1
23
11.5
32.9
-145.7
1235.1
1089.4
Standard
All
63
24
2
37
25.0
39.7
-87.7
1232.9
1145.2
White
28
13
1
14
13.5
48.2
-15.2
1230.0
1214.8
Black
35
11
1
23
11.5
32.9
-145.7
1235.1
1089.4
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
127
47
6
74
50.0
39.4
-90.4
1208.3
1118.0
White
58
24
4
30
26.0
44.8
-44.0
1210.4
1166.5
Black
69
23
2
44
24.0
34.8
-129.3
1206.5
1077.2
Standard
All
127
47
6
74
50.0
39.4
-90.4
1208.3
1118.0
White
58
24
4
30
26.0
44.8
-44.0
1210.4
1166.5
Black
69
23
2
44
24.0
34.8
-129.3
1206.5
1077.2
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
1140156027
Mamphweli, T (Tshedza)
3
2.0
2
0
1
66.7
1161.0
141.7
1302.7
View list
2
1140134429
Botha, G (Gregory)
3
1.5
1
1
1
50.0
1142.1
0.0
1142.1
View list
3
1140137418
Van Der Wath, L (Logan)
3
1.0
1
0
2
33.3
1181.7
-141.7
1040.0
View list
4
2140136638
De Beer, L (Lily)
2
2.0
2
0
0
100.0
1089.2
425.0
1514.2
View list
5
2160143809
Gerber, Z (Zoe)
2
2.0
2
0
0
100.0
1099.0
425.0
1524.0
View list
6
1140303324
Prinsloo, J (Jaden)
2
2.0
2
0
0
100.0
1138.5
425.0
1563.5
View list
7
1120148615
Upadhyay, S (Savya)
2
1.0
1
0
1
50.0
1125.5
0.0
1125.5
View list
8
2140135778
Sutherland, K (Kiona)
2
0.5
0
1
1
25.0
1196.3
-212.5
983.8
View list
9
2110103927
De Kock, L (Lana)
2
0.0
0
0
2
0.0
1120.8
-425.0
695.8
View list
10
1140134057
Erwee, HP (Hermanus Philipus)
2
0.0
0
0
2
0.0
1148.2
-425.0
723.2
View list
11
2140158377
Grobbelaar, M (Mienje)
2
0.0
0
0
2
0.0
1127.0
-425.0
702.0
View list
12
2140137411
Keyter, A (Alissa)
2
0.0
0
0
2
0.0
1178.7
-425.0
753.7
View list
13
2130137401
Pistorius, A (Anabelle)
2
0.0
0
0
2
0.0
1164.7
-425.0
739.7
View list
14
2140135150
Prinsloo, V (Veronique)
2
0.0
0
0
2
0.0
1133.5
-425.0
708.5
View list
15
2140135776
Roberts, F (Frans-Leigh)
2
0.0
0
0
2
0.0
1110.7
-425.0
685.7
View list
16
1140134245
Van Der Merwe, ZC (Zander Christiaan)
2
0.0
0
0
2
0.0
1129.5
-425.0
704.5
View list
17
1140135782
Van Zyl, S (Shaun)
2
0.0
0
0
2
0.0
1159.3
-425.0
734.3
View list
18
2130135753
Venter, S (Simone)
2
0.0
0
0
2
0.0
1111.3
-425.0
686.3
View list
19
2140131492
Engelbrecht, V (Veronica)
1
1.0
1
0
0
100.0
1129.5
425.0
1554.5
View list
20
1150135758
Dreyer, K (Kruger)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list