Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Petersen, B (Brionay)
Dob:
2012/11/13 (U14)
Gender:
Female
Chess SA id:
2120119685
FIDE id:
Region:
Eden (WEG)
Citizen:
RSA
Title(s):
Last active:
2024/09/01 (74 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
1311.8
Current Weighted rating
1335.0
Current Weighted performance
1201.4
Current official/published rating (highest between Raw, WR and WP)
1335.0
Current highest rating achieved
1432.5
Current floor (min rating allowed)
932.5
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)
±141.4
Current Raw change used (final)
0.0
Projected new Raw rating
1311.8
Projected new Weighed rating
1227.3
Projected new Weighted performance
1201.4
Projected new final Raw rating (if new WP > new Raw)
1311.8
Projected new highest rating
1432.5
Projected new floor
932.5
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1311.8
Projected effective change (new Official - current Official)
-23.2
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
1301.3
Current Weighted rating
1331.6
Current Weighted performance
1201.4
Current official/published rating (highest between Raw, WR and WP)
1331.6
Current highest rating achieved
1451.3
Current floor (min rating allowed)
951.3
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)
±143.5
Current Raw change used (final)
0.0
Projected new Raw rating
1301.3
Projected new Weighed rating
1223.6
Projected new Weighted performance
1201.4
Projected new final Raw rating (if new WP > new Raw)
1301.3
Projected new highest rating
1451.3
Projected new floor
951.3
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1301.3
Projected effective change (new Official - current Official)
-30.3
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
1245.4
Current Weighted rating
1245.4
Current Weighted performance
988.0
Current official/published rating (highest between Raw, WR and WP)
1245.4
Current highest rating achieved
1258.0
Current floor (min rating allowed)
758.0
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)
±155.4
Current Raw change used (final)
0.0
Projected new Raw rating
1245.4
Projected new Weighed rating
1145.8
Projected new Weighted performance
988.0
Projected new final Raw rating (if new WP > new Raw)
1245.4
Projected new highest rating
1258.0
Projected new floor
758.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1245.4
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
1164.8
Current Weighted rating
1164.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1164.8
Current highest rating achieved
1164.8
Current floor (min rating allowed)
664.8
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)
±174.3
Current Raw change used (final)
0.0
Projected new Raw rating
1164.8
Projected new Weighed rating
1071.6
Projected new Weighted performance
283.3
Projected new final Raw rating (if new WP > new Raw)
1164.8
Projected new highest rating
1164.8
Projected new floor
664.8
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1164.8
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
5
Western Cape Top Schools Championship 2024 (U13 Girls)
2024/08/30
2024/09/01
Eden (WEG)
Standard
60
0.83
6
6
3.0
1328.5
1319.9
Analysis
4
Western Cape PS Individuals Championship 2024 (U13 Girls)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
6
3.0
1339.9
1336.5
Analysis
3
Eden School Chess Trials 1 2024 (U13 Girls)
2024/03/09
2024/03/09
Eden District (WEG)
Standard
60
0.83
5
5
3.5
1335.9
1330.7
Analysis
2
Hessequa Skole Proewe 2 2024 (U13 Girls)
2024/02/03
2024/02/03
Eden District (WEG)
Standard
60
0.83
5
5
3.0
1354.2
1355.0
Analysis
1
Hessequa Proewe 1 2024 (U13 Girls)
2024/01/27
2024/01/27
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1329.2
1326.5
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
29
Western Cape Top Schools Championship 2024 (U13 Girls)
2024/08/30
2024/09/01
Eden (WEG)
Standard
60
0.83
6
6
3.0
1328.5
1319.9
Analysis
28
Western Cape PS Individuals Championship 2024 (U13 Girls)
2024/05/04
2024/05/05
West Coast (WCU)
Standard
60
0.83
6
6
3.0
1339.9
1336.5
Analysis
27
Eden School Chess Trials 1 2024 (U13 Girls)
2024/03/09
2024/03/09
Eden District (WEG)
Standard
60
0.83
5
5
3.5
1335.9
1330.7
Analysis
26
Hessequa Skole Proewe 2 2024 (U13 Girls)
2024/02/03
2024/02/03
Eden District (WEG)
Standard
60
0.83
5
5
3.0
1354.2
1355.0
Analysis
25
Hessequa Proewe 1 2024 (U13 Girls)
2024/01/27
2024/01/27
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1329.2
1326.5
Analysis
24
Western Cape Top Schools 2023 (U13 Girls)
2023/09/02
2023/09/03
Cape Winelands (WCW)
Standard
60
0.83
6
6
2.5
1373.8
1381.2
Analysis
23
Eden Top Schools 2023 (U13 Girls)
2023/08/19
2023/08/19
Eden District (WEG)
Standard
60
0.83
5
4
4.0
1345.9
1349.2
Analysis
22
Western Cape PS Individuals 2023 (U11 Girls)
2023/05/05
2023/05/06
Cape Town (WCT)
Standard
60
0.83
6
6
2.0
1404.3
1428.9
Analysis
21
Eden Trials 2+3 2023 (U12)
2023/04/15
2023/05/13
Eden District (WEG)
Standard
60
0.83
10
4
2.0
1404.3
1428.9
Analysis
20
Eden Trails 1 2023 (U11 Girls)
2023/03/11
2023/03/11
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1383.6
1407.1
Analysis
19
Hessequa Proewe 2 2023 (O11 Dogters)
2023/02/11
2023/02/11
Eden District (WEG)
Standard
60
0.83
5
5
3.0
1393.7
1425.7
Analysis
18
Hessequa Proewe 1 2023 (O11 Dogters)
2023/01/28
2023/01/28
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1378.0
1410.7
Analysis
17
George Open 2022 (C)
2022/12/03
2022/12/03
Eden District (WEG)
Standard
60
0.83
5
5
2.0
1403.0
1451.3
Analysis
16
VGK 2022 (Rapid Development)
2022/11/12
2022/11/12
Eden District (WEG)
Rapid
17
0.42
6
6
3.0
1432.5
1258.0
Analysis
15
VGK 2022 (Blitz)
2022/11/12
2022/11/12
Eden District (WEG)
Blitz
5
0.18
6
6
2.0
1432.5
1200.0
Analysis
14
Hessequa Ontwikkeling 2022 (Laerskole)
2022/10/22
2022/10/22
Eden District (WEG)
Rapid
30
0.60
5
5
4.0
1421.9
1194.0
Analysis
13
Western Cape Top Schools 2022 (U11 Girls)
2022/09/16
2022/09/17
Overberg (WOS)
Standard
60
0.83
5
5
5.0
1378.6
1372.4
Analysis
12
Pacaltsdorp Chess Club 2022 (Development)
2022/08/27
2022/08/27
Eden District (WEG)
Rapid
25
0.54
6
6
4.0
1282.2
1153.2
Analysis
11
Eden Topskole 2022 (O11 Dogters)
2022/08/13
2022/08/13
Eden District (WEG)
Standard
60
0.83
6
6
6.0
1282.2
1279.0
Analysis
10
Knysna Oyster Festival Rapid Chess 2022 (B)
2022/07/02
2022/07/02
Eden District (WEG)
Rapid
30
0.60
5
5
2.0
1291.1
1165.2
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
27
16
1
10
16.5
61.1
94.4
1216.8
1311.3
White
12
7
0
5
7.0
58.3
70.8
1258.0
1328.8
Black
15
9
1
5
9.5
63.3
113.3
1183.9
1297.2
Standard
All
27
16
1
10
16.5
61.1
94.4
1216.8
1311.3
White
12
7
0
5
7.0
58.3
70.8
1258.0
1328.8
Black
15
9
1
5
9.5
63.3
113.3
1183.9
1297.2
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
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
152
86
5
61
88.5
58.2
69.9
1234.0
1303.9
White
77
47
0
30
47.0
61.0
93.8
1235.5
1329.3
Black
75
39
5
31
41.5
55.3
45.3
1232.5
1277.8
Standard
All
119
69
5
45
71.5
60.1
85.7
1221.4
1307.1
White
60
40
0
20
40.0
66.7
141.7
1224.6
1366.3
Black
59
29
5
25
31.5
53.4
28.8
1218.1
1246.9
Rapid
All
27
15
0
12
15.0
55.6
47.2
1280.3
1327.5
White
14
6
0
8
6.0
42.9
-60.7
1277.0
1216.3
Black
13
9
0
4
9.0
69.2
163.5
1283.9
1447.4
Blitz
All
6
2
0
4
2.0
33.3
-141.7
1276.3
1134.7
White
3
1
0
2
1.0
33.3
-141.7
1260.0
1118.3
Black
3
1
0
2
1.0
33.3
-141.7
1292.7
1151.0
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
2120108533
Johnson, A (Amy)
7
4.0
4
0
3
57.1
1277.2
60.7
1337.9
View list
2
2110136772
Sauls, G (Glinnis-Lynn)
6
4.0
4
0
2
66.7
1271.4
141.7
1413.1
View list
3
2120119684
Moses, J (Jay-Leigh)
5
0.5
0
1
4
10.0
1224.5
-340.0
884.5
View list
4
2120145212
Groenewalt, M (Minka)
4
4.0
4
0
0
100.0
1331.5
425.0
1756.5
View list
5
2110136773
Taute, E (Edwina)
4
1.0
1
0
3
25.0
1262.1
-212.5
1049.6
View list
6
2110131983
Daniels, C (Chelsea)
3
3.0
3
0
0
100.0
1266.6
425.0
1691.6
View list
7
2120136814
Benn, C (Ciara)
3
3.0
3
0
0
100.0
1246.9
425.0
1671.9
View list
8
2120148839
Goliath, H (Hayley)
3
3.0
3
0
0
100.0
1375.3
425.0
1800.3
View list
9
2110110932
Bester, L (Lize-Mari)
3
2.0
2
0
1
66.7
1176.7
141.7
1318.4
View list
10
2130136784
Meyer, X (Xaydia)
3
2.0
2
0
1
66.7
1392.0
141.7
1533.7
View list
11
1110130128
Da Silva, D (Darren)
3
1.0
1
0
2
33.3
1335.3
-141.7
1193.6
View list
12
2110117246
Cromhout, B (Bianca)
3
1.0
1
0
2
33.3
1118.3
-141.7
976.6
View list
13
2120116532
Cornforth, K (Kayleigh)
3
1.0
1
0
2
33.3
1174.8
-141.7
1033.1
View list
14
2110134799
Pietersen, C (Chandre)
3
1.0
1
0
2
33.3
1372.0
-141.7
1230.3
View list
15
2130108536
Van Zyl, L (Lisa)
3
1.0
1
0
2
33.3
1397.9
-141.7
1256.2
View list
16
2120151016
Claassen, K (Katalaya)
2
2.0
2
0
0
100.0
1393.9
425.0
1818.9
View list
17
2110130748
Basson, K (Karliayah)
2
2.0
2
0
0
100.0
1235.3
425.0
1660.3
View list
18
2130134504
Blignaut, DC (Dane Chelsea)
2
2.0
2
0
0
100.0
1201.0
425.0
1626.0
View list
19
2120130872
October, E (Eldonay)
2
2.0
2
0
0
100.0
1282.2
425.0
1707.2
View list
20
2100118902
Brown, L (Lamees)
2
1.0
1
0
1
50.0
1359.8
0.0
1359.8
View list