Chess South Africa
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Chess South Africa
Petersen, JD (John-Wayne)
Dob:
2006/02/13 (U20)
Gender:
Male
Chess SA id:
106065429
FIDE id:
Region:
Eden (WEG)
Citizen:
RSA
Title(s):
Last active:
2024/04/20 (30 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
1482.7
Curent Weighted rating
1495.6
Curent Weighted performance
1461.6
Current official/published rating (highest between Raw, WR and WP)
1495.6
Current floor (min rating allowed)
1040.6
Current highest rating achieved
1540.6
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)
±110.8
Current Raw change used (final)
0.0
Projected new Raw rating
1482.7
Projected new Weighed rating
1495.0
Projected new Weighted performance
1461.6
Projected new official/published rating (highest between new Raw, new WR and new WP)
1495.0
Projected effective change (new Official - current Official)
-0.6
Projected new highest rating
1540.6
Projected new floor
1040.6
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
1472.8
Curent Weighted rating
1490.3
Curent Weighted performance
1452.4
Current official/published rating (highest between Raw, WR and WP)
1490.3
Current floor (min rating allowed)
1043.5
Current highest rating achieved
1543.5
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)
±112.4
Current Raw change used (final)
0.0
Projected new Raw rating
1472.8
Projected new Weighed rating
1489.4
Projected new Weighted performance
1452.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1489.4
Projected effective change (new Official - current Official)
-0.9
Projected new highest rating
1543.5
Projected new floor
1043.5
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
852.4
Curent Weighted rating
852.4
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
852.4
Current floor (min rating allowed)
500.0
Current highest rating achieved
882.0
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)
±272.1
Current Raw change used (final)
0.0
Projected new Raw rating
852.4
Projected new Weighed rating
852.4
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
852.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
882.0
Projected new floor
500.0
Projected new K-facor
40
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
938.0
Curent Weighted rating
885.1
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
938.0
Current floor (min rating allowed)
500.0
Current highest rating achieved
938.0
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)
±240.8
Current Raw change used (final)
0.0
Projected new Raw rating
938.0
Projected new Weighed rating
890.7
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
938.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
938.0
Projected new floor
500.0
Projected new K-facor
40
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
5
Eden Chess Trials 2 2024 (U20)
2024/04/13
2024/04/20
Eden (WEG)
Standard
60
0.83
10
10
6.0
1503.9
1500.3
Analysis
4
Western Cape HS Individuals Championship 2024 (U18 Boys)
2024/03/21
2024/03/22
Overberg (WOS)
Standard
60
0.83
6
6
4.0
1501.8
1504.8
Analysis
3
Eden School Chess Trials 1 2024 (U18 Boys)
2024/03/09
2024/03/09
Eden District (WEG)
Standard
60
0.83
5
5
3.0
1501.8
1504.8
Analysis
2
OUDUSSA Trials 2 2024 (U18 Boys+Girls)
2024/02/17
2024/02/17
Eden District (WEG)
Standard
60
0.83
5
5
4.5
1476.6
1468.0
Analysis
1
OUDUSSA Trials 1 2024 (U18 Boys)
2024/02/03
2024/02/03
Eden District (WEG)
Standard
60
0.83
5
5
3.5
1476.6
1468.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
37
Eden Chess Trials 2 2024 (U20)
2024/04/13
2024/04/20
Eden (WEG)
Standard
60
0.83
10
10
6.0
1503.9
1500.3
Analysis
36
Western Cape HS Individuals Championship 2024 (U18 Boys)
2024/03/21
2024/03/22
Overberg (WOS)
Standard
60
0.83
6
6
4.0
1501.8
1504.8
Analysis
35
Eden School Chess Trials 1 2024 (U18 Boys)
2024/03/09
2024/03/09
Eden District (WEG)
Standard
60
0.83
5
5
3.0
1501.8
1504.8
Analysis
34
OUDUSSA Trials 2 2024 (U18 Boys+Girls)
2024/02/17
2024/02/17
Eden District (WEG)
Standard
60
0.83
5
5
4.5
1476.6
1468.0
Analysis
33
OUDUSSA Trials 1 2024 (U18 Boys)
2024/02/03
2024/02/03
Eden District (WEG)
Standard
60
0.83
5
5
3.5
1476.6
1468.0
Analysis
32
2023 Western Cape Rural Cup (U18)
2023/12/09
2023/12/10
Cape Winelands (WCW)
Standard
60
0.83
5
4
1.5
1488.6
1479.8
Analysis
31
2023 Western Cape Rural Cup (Blitz)
2023/12/08
2023/12/08
Cape Winelands (WCW)
Blitz
5
0.18
7
7
3.0
1488.6
845.2
Analysis
30
Western Cape Club Championships 2023 (Tier 2)
2023/10/21
2023/10/22
Eden District (WEG)
Standard
65
0.85
5
2
0.0
1529.4
1526.5
Analysis
29
Eden Top Schools 2023 (U18 Mix)
2023/08/19
2023/08/19
Eden District (WEG)
Standard
60
0.83
5
5
2.5
1540.6
1543.5
Analysis
28
Eden Trials 2+3 2023 (U18)
2023/04/15
2023/05/13
Eden District (WEG)
Standard
60
0.83
10
10
8.5
1484.0
1475.0
Analysis
27
Western Cape HS Individuals 2023 (U17 Boys)
2023/04/01
2023/04/02
Cape Town (WCT)
Standard
60
0.83
6
6
3.0
1488.5
1483.0
Analysis
26
Eden Trails 1 2023 (U17 Boys)
2023/03/11
2023/03/11
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1480.5
1473.4
Analysis
25
Oudussa Proewe 1 2023 (U19 Boys)
2023/02/11
2023/02/11
Eden District (WEG)
Standard
60
0.83
5
5
5.0
1461.6
1450.7
Analysis
24
George Open 2022 (B)
2022/12/03
2022/12/03
Eden District (WEG)
Standard
60
0.83
5
5
3.5
1467.4
1460.6
Analysis
23
Western Cape Schools Chess 2022 (U18 Boys)
2022/05/07
2022/05/08
Eden District (WEG)
Standard
65
0.85
6
6
4.0
1453.0
1447.2
Analysis
22
Eden Proewe 2 2022 (O18 Seuns)
2022/04/09
2022/04/09
Eden District (WEG)
Standard
65
0.85
5
5
3.5
1461.4
1460.3
Analysis
21
Eden Proewe 1 2022 (O18 Seuns)
2022/03/12
2022/03/12
Eden District (WEG)
Standard
65
0.85
5
5
4.5
1423.9
1415.8
Analysis
20
Eden Schools Closed Trials 1 2020 (U15 Boys)
2020/03/07
2020/03/07
Eden District (WEG)
Standard
65
0.85
5
5
4.0
1414.7
1404.6
Analysis
19
Oudtshoorn Proewe 1 2020 (O15)
2020/02/15
2020/02/15
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1404.1
1392.1
Analysis
18
2019 South African Junior Team Championships (U14B)
2020/01/04
2020/01/08
4 Knights (4K)
Standard
120
1.00
7
7
4.0
1394.2
1381.9
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
31
18
6
7
21.0
67.7
150.8
1341.6
1492.4
White
15
10
2
3
11.0
73.3
198.3
1339.0
1537.4
Black
16
8
4
4
10.0
62.5
106.3
1343.9
1450.2
Standard
All
31
18
6
7
21.0
67.7
150.8
1341.6
1492.4
White
15
10
2
3
11.0
73.3
198.3
1339.0
1537.4
Black
16
8
4
4
10.0
62.5
106.3
1343.9
1450.2
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
207
128
26
53
141.0
68.1
154.0
1226.7
1380.7
White
108
70
15
23
77.5
71.8
185.0
1215.6
1400.5
Black
99
58
11
30
63.5
64.1
120.2
1238.8
1359.0
Standard
All
194
122
26
46
135.0
69.6
166.5
1223.3
1389.7
White
101
66
15
20
73.5
72.8
193.6
1208.9
1402.4
Black
93
56
11
26
61.5
66.1
137.1
1238.9
1376.0
Rapid
All
6
3
0
3
3.0
50.0
0.0
1008.4
1008.4
White
3
1
0
2
1.0
33.3
-141.7
1085.7
944.1
Black
3
2
0
1
2.0
66.7
141.7
931.0
1072.7
Blitz
All
7
3
0
4
3.0
42.9
-60.7
1508.7
1448.0
White
4
3
0
1
3.0
75.0
212.5
1482.3
1694.8
Black
3
0
0
3
0.0
0.0
-425.0
1543.9
1118.9
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
106083796
Saayman, JM (Johannes)
3
3.0
3
0
0
100.0
1231.7
425.0
1656.7
View list
2
106055788
Sefoor, J (Jordan)
3
3.0
3
0
0
100.0
1439.7
425.0
1864.7
View list
3
1070098418
Jordaan, T (Thor)
3
2.0
2
0
1
66.7
1286.8
141.7
1428.5
View list
4
1060108567
Prins, E (Ethan)
3
2.0
2
0
1
66.7
1456.2
141.7
1597.8
View list
5
107088314
Manho, L (Leancon)
3
1.0
1
0
2
33.3
1421.5
-141.7
1279.8
View list
6
105091176
Meyer, J (Jared)
3
1.0
1
0
2
33.3
1410.1
-141.7
1268.5
View list
7
106078134
Geyser, K (Kobus)
3
0.5
0
1
2
16.7
1187.0
-283.3
903.6
View list
8
105086277
Arries, J (Jayden)
2
2.0
2
0
0
100.0
1414.0
425.0
1839.0
View list
9
287094417
Conradie, M (Magda)
2
2.0
2
0
0
100.0
1225.3
425.0
1650.3
View list
10
107961373
Ehlers, R (Ruben)
2
2.0
2
0
0
100.0
1482.3
425.0
1907.3
View list
11
107086423
Heesen, T (Tyler)
2
2.0
2
0
0
100.0
1449.6
425.0
1874.6
View list
12
106086249
Kasper, V (Vernon)
2
2.0
2
0
0
100.0
1390.3
425.0
1815.3
View list
13
105078131
Kiewiet, M (Marvin)
2
2.0
2
0
0
100.0
1459.3
425.0
1884.3
View list
14
207072850
Nel, D (Danika)
2
2.0
2
0
0
100.0
1431.2
425.0
1856.2
View list
15
206065427
October, T (Tamson)
2
2.0
2
0
0
100.0
1449.6
425.0
1874.6
View list
16
1060107865
Van Lill, M (Marius)
2
2.0
2
0
0
100.0
1360.8
425.0
1785.8
View list
17
105078148
Botha, J (Jonathan)
2
1.5
1
1
0
75.0
1482.8
212.5
1695.3
View list
18
1060098446
Hurling, K (Keilo)
2
1.5
1
1
0
75.0
1501.0
212.5
1713.5
View list
19
106086419
Le Roux, N (Nicolaas)
2
1.5
1
1
0
75.0
1472.7
212.5
1685.2
View list
20
108086225
May, M (Mehago)
2
1.5
1
1
0
75.0
1476.6
212.5
1689.1
View list