Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Johnson, A (Amy)
Dob:
2012/11/29 (U14)
Gender:
Female
Chess SA id:
2120108533
FIDE id:
Region:
Eden (WEG)
Citizen:
RSA
Title(s):
Last active:
2023/09/03 (252 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
1386.1
Curent Weighted rating
1381.4
Curent Weighted performance
1245.2
Current official/published rating (highest between Raw, WR and WP)
1386.1
Current floor (min rating allowed)
952.4
Current highest rating achieved
1452.4
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)
±127.2
Current Raw change used (final)
0.0
Projected new Raw rating
1386.1
Projected new Weighed rating
1383.7
Projected new Weighted performance
1245.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1386.1
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1452.4
Projected new floor
952.4
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
1387.2
Curent Weighted rating
1380.0
Curent Weighted performance
1234.5
Current official/published rating (highest between Raw, WR and WP)
1387.2
Current floor (min rating allowed)
958.2
Current highest rating achieved
1458.2
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)
±127.0
Current Raw change used (final)
0.0
Projected new Raw rating
1387.2
Projected new Weighed rating
1382.9
Projected new Weighted performance
1234.5
Projected new official/published rating (highest between new Raw, new WR and new WP)
1387.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1458.2
Projected new floor
958.2
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
1271.8
Curent Weighted rating
1266.9
Curent Weighted performance
1070.9
Current official/published rating (highest between Raw, WR and WP)
1271.8
Current floor (min rating allowed)
771.8
Current highest rating achieved
1271.8
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)
±149.7
Current Raw change used (final)
0.0
Projected new Raw rating
1271.8
Projected new Weighed rating
1268.3
Projected new Weighted performance
1070.9
Projected new official/published rating (highest between new Raw, new WR and new WP)
1271.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1271.8
Projected new floor
771.8
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
1058.4
Curent Weighted rating
1065.5
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1065.5
Current floor (min rating allowed)
771.8
Current highest rating achieved
1058.4
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)
±202.9
Current Raw change used (final)
0.0
Projected new Raw rating
1058.4
Projected new Weighed rating
1063.1
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1063.1
Projected effective change (new Official - current Official)
-2.4
Projected new highest rating
1058.4
Projected new floor
771.8
Projected new K-facor
40
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
47
Western Cape Top Schools 2023 (U11 Girls)
2023/09/02
2023/09/03
Cape Winelands (WCW)
Standard
60
0.83
6
6
4.0
1381.9
1382.7
Analysis
46
Eden Top Schools 2023 (U11 Girls)
2023/08/19
2023/08/19
Eden District (WEG)
Standard
60
0.83
6
4
4.0
1440.3
1441.9
Analysis
45
CW Top Schools 2023 (Advanced)
2023/08/11
2023/08/13
West Coast (WCU)
Standard
90
0.94
6
5
0.0
1440.3
1441.9
Analysis
44
Knysna Oyster Festival 2023 (Juniors)
2023/07/01
2023/07/01
Eden District (WEG)
Rapid
30
0.60
6
6
3.5
1442.6
1270.0
Analysis
43
George Chess Club Winter Open 2023 (C)
2023/05/20
2023/05/20
Eden District (WEG)
Standard
60
0.83
5
5
2.0
1452.4
1458.2
Analysis
42
Western Cape PS Individuals 2023 (U11 Girls)
2023/05/05
2023/05/06
Cape Town (WCT)
Standard
60
0.83
6
6
5.0
1452.4
1458.2
Analysis
41
Eden Trials 2+3 2023 (U12)
2023/04/15
2023/05/13
Eden District (WEG)
Standard
60
0.83
10
10
6.5
1452.4
1458.2
Analysis
40
Heidelberg Big Pumpkin Chess Tournament 2023 (C)
2023/04/01
2023/04/01
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1380.1
1429.6
Analysis
39
Eden Trails 1 2023 (U11 Girls)
2023/03/11
2023/03/11
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1313.6
1299.9
Analysis
38
Hessequa Proewe 2 2023 (O11 Dogters)
2023/02/11
2023/02/11
Eden District (WEG)
Standard
60
0.83
5
5
3.0
1304.0
1275.3
Analysis
37
Hessequa Proewe 1 2023 (O11 Dogters)
2023/01/28
2023/01/28
Eden District (WEG)
Standard
60
0.83
5
5
3.0
1300.4
1262.7
Analysis
36
George Open 2022 (C)
2022/12/03
2022/12/03
Eden District (WEG)
Standard
60
0.83
5
5
2.0
1304.6
1255.9
Analysis
35
VGK 2022 (Rapid Development)
2022/11/12
2022/11/12
Eden District (WEG)
Rapid
17
0.42
6
6
5.0
1291.7
1201.2
Analysis
34
VGK 2022 (Blitz)
2022/11/12
2022/11/12
Eden District (WEG)
Blitz
5
0.18
6
6
1.0
1291.7
1200.0
Analysis
33
Hessequa Ontwikkeling 2022 (Laerskole)
2022/10/22
2022/10/22
Eden District (WEG)
Rapid
30
0.60
5
5
4.0
1264.7
1162.3
Analysis
32
Pacaltsdorp Chess Club 2022 (Development)
2022/08/27
2022/08/27
Eden District (WEG)
Rapid
25
0.54
6
6
3.0
1182.3
1176.7
Analysis
31
Eden Topskole 2022 (O11 Dogters)
2022/08/13
2022/08/13
Eden District (WEG)
Standard
60
0.83
6
6
5.0
1182.3
1168.1
Analysis
30
South African Open 2022 (U12)
2022/07/11
2022/07/13
Cape Town (WCT)
Standard
90
0.94
6
6
2.0
1321.7
1309.9
Analysis
29
South African Open 2022 (B)
2022/07/09
2022/07/17
Cape Town (WCT)
Standard
120
1.00
11
10
2.5
1321.7
1309.9
Analysis
28
Knysna Oyster Festival Rapid Chess 2022 (B)
2022/07/02
2022/07/02
Eden District (WEG)
Rapid
30
0.60
5
5
2.0
1321.7
1236.1
Analysis
1
2
3
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
257
125
16
116
133.0
51.8
14.9
1228.5
1243.4
White
131
66
11
54
71.5
54.6
38.9
1234.7
1273.7
Black
126
59
5
62
61.5
48.8
-10.1
1222.1
1212.0
Standard
All
194
93
12
89
99.0
51.0
8.8
1226.9
1235.6
White
98
49
8
41
53.0
54.1
34.7
1230.4
1265.1
Black
96
44
4
48
46.0
47.9
-17.7
1223.3
1205.5
Rapid
All
57
31
4
22
33.0
57.9
67.1
1225.9
1293.0
White
30
17
3
10
18.5
61.7
99.2
1233.9
1333.1
Black
27
14
1
12
14.5
53.7
31.5
1216.9
1248.4
Blitz
All
6
1
0
5
1.0
16.7
-283.3
1308.2
1024.9
White
3
0
0
3
0.0
0.0
-425.0
1383.6
958.6
Black
3
1
0
2
1.0
33.3
-141.7
1232.8
1091.1
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
2120119684
Moses, J (Jay-Leigh)
9
3.0
3
0
6
33.3
1232.7
-141.7
1091.0
View list
2
2120119685
Petersen, B (Brionay)
7
3.0
3
0
4
42.9
1291.3
-60.7
1230.6
View list
3
1120109662
Roberts, I (Iwan)
7
1.5
1
1
5
21.4
1243.4
-242.9
1000.5
View list
4
2130109664
Saayman, L (Leshme)
6
6.0
6
0
0
100.0
1156.0
425.0
1581.0
View list
5
2120116532
Cornforth, K (Kayleigh)
5
1.0
1
0
4
20.0
1344.1
-255.0
1089.1
View list
6
2130143231
Saayman, V (Veronique)
4
3.0
3
0
1
75.0
1295.7
212.5
1508.2
View list
7
2120112287
Lukas, J (Janeva)
4
1.0
1
0
3
25.0
1153.6
-212.5
941.1
View list
8
2110130748
Basson, K (Karliayah)
3
3.0
3
0
0
100.0
1161.0
425.0
1586.0
View list
9
2130136579
Barkhuysen, A (Ankia)
3
3.0
3
0
0
100.0
1420.8
425.0
1845.8
View list
10
2110131983
Daniels, C (Chelsea)
3
3.0
3
0
0
100.0
1327.5
425.0
1752.5
View list
11
2110134799
Pietersen, C (Chandre)
3
3.0
3
0
0
100.0
1266.1
425.0
1691.1
View list
12
2120111379
Coetzee, C (Carli)
3
2.0
2
0
1
66.7
1153.4
141.7
1295.1
View list
13
1110109659
Daries, T (Tyreez)
3
1.0
1
0
2
33.3
1161.0
-141.7
1019.3
View list
14
2120110759
Ntontelo, K (Khazimla)
3
1.0
1
0
2
33.3
1167.2
-141.7
1025.5
View list
15
1120107825
Meyer, A (Albert)
3
0.5
0
1
2
16.7
1156.9
-283.3
873.6
View list
16
1120098503
Heunis, F (Fourie)
3
0.0
0
0
3
0.0
1156.9
-425.0
731.9
View list
17
2120133357
Buhr, G (Gretchen)
2
2.0
2
0
0
100.0
1356.3
425.0
1781.3
View list
18
1120154635
Bam, C (Cayleb)
2
2.0
2
0
0
100.0
1411.3
425.0
1836.3
View list
19
1100117244
Claassen, R (Reinier)
2
2.0
2
0
0
100.0
1051.4
425.0
1476.4
View list
20
2110117246
Cromhout, B (Bianca)
2
2.0
2
0
0
100.0
1183.2
425.0
1608.2
View list