Player Page

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
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 rating1482.7
Curent Weighted rating1495.6
Curent Weighted performance1461.6
Current official/published rating (highest between Raw, WR and WP)1495.6
Current floor (min rating allowed)1040.6
Current highest rating achieved1540.6
Current K-factor32
Games played this month0
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 rating1482.7
Projected new Weighed rating1495.0
Projected new Weighted performance1461.6
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 rating1540.6
Projected new floor1040.6
Projected new K-facor32
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 rating1472.8
Curent Weighted rating1490.3
Curent Weighted performance1452.4
Current official/published rating (highest between Raw, WR and WP)1490.3
Current floor (min rating allowed)1043.5
Current highest rating achieved1543.5
Current K-factor32
Games played this month0
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 rating1472.8
Projected new Weighed rating1489.4
Projected new Weighted performance1452.4
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 rating1543.5
Projected new floor1043.5
Projected new K-facor32
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 rating852.4
Curent Weighted rating852.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)852.4
Current floor (min rating allowed)500.0
Current highest rating achieved882.0
Current K-factor40
Games played this month0
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 rating852.4
Projected new Weighed rating852.4
Projected new Weighted performance0.0
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 rating882.0
Projected new floor500.0
Projected new K-facor40
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 rating938.0
Curent Weighted rating885.1
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)938.0
Current floor (min rating allowed)500.0
Current highest rating achieved938.0
Current K-factor40
Games played this month0
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 rating938.0
Projected new Weighed rating890.7
Projected new Weighted performance0.0
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 rating938.0
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
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
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
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
12
Game 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 idNameGamesScoreWinsDrawsLosses%AorDpPerformView
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