Player Page

Du Plessis, JAK (Jan)
Dob: 2002/09/03 (Adult)
Gender: Male
Chess SA id: 102007831
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2023/12/08 (163 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 rating1620.3
Curent Weighted rating1599.4
Curent Weighted performance1252.8
Current official/published rating (highest between Raw, WR and WP)1620.3
Current floor (min rating allowed)1208.0
Current highest rating achieved1708.0
Current K-factor28
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)±91.1
Current Raw change used (final)0.0
Projected new Raw rating1620.3
Projected new Weighed rating1601.6
Projected new Weighted performance1252.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1620.3
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1708.0
Projected new floor1208.0
Projected new K-facor28
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 rating1632.5
Curent Weighted rating1603.8
Curent Weighted performance1249.4
Current official/published rating (highest between Raw, WR and WP)1632.5
Current floor (min rating allowed)1215.6
Current highest rating achieved1715.6
Current K-factor28
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)±89.5
Current Raw change used (final)0.0
Projected new Raw rating1632.5
Projected new Weighed rating1606.7
Projected new Weighted performance1249.4
Projected new official/published rating (highest between new Raw, new WR and new WP)1632.5
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1715.6
Projected new floor1215.6
Projected new K-facor28
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 rating1481.4
Curent Weighted rating1481.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1481.4
Current floor (min rating allowed)981.4
Current highest rating achieved1481.4
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)±111.0
Current Raw change used (final)0.0
Projected new Raw rating1481.4
Projected new Weighed rating1481.4
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1481.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1481.4
Projected new floor981.4
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 rating1480.1
Curent Weighted rating1480.1
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1480.1
Current floor (min rating allowed)981.4
Current highest rating achieved1535.8
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)±111.3
Current Raw change used (final)0.0
Projected new Raw rating1480.1
Projected new Weighed rating1480.1
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1480.1
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1535.8
Projected new floor981.4
Projected new K-facor32
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
43 2023 USSA Championships (Open) 2023/12/04 2023/12/08 Ethekwini (KED) Standard 120 1.00 9 9 5.5 1584.3 1584.3 Analysis
42 Ussa Chess Championships 2022 (Open) 2022/12/05 2022/12/09 Frances Baard (NCF) Standard 120 1.00 9 9 6.0 1587.9 1588.8 Analysis
41 USSA Closed 2022 (Open) 2022/05/13 2022/05/15 Dr Kenneth Kaunda (NWP) Standard 90 0.94 7 7 3.5 1620.5 1624.6 Analysis
40 2020 Waterkloof Open (A) 2020/02/29 2020/03/01 Tshwane (GTP) Standard 90 0.94 5 5 2.5 1598.7 1600.5 Analysis
39 Alberton Chess Club Open 2020 (A) 2020/02/22 2020/02/22 Ekurhuleni (GE) Standard 60 0.83 5 5 2.5 1596.4 1597.7 Analysis
38 2019 Inter Region Chess Championships 2020/01/09 2020/01/12 4 Knights (4K) Standard 120 1.00 7 7 4.0 1621.7 1613.7 Analysis
37 2019 South African Juior Blitz Championship (A) 2020/01/05 2020/01/05 4 Knights (4K) Blitz 5 0.18 7 7 2.5 1621.7 1535.8 Analysis
36 2019 South African Junior Team Championships (U18B) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 5.0 1621.7 1613.7 Analysis
35 2019 African Youth Chess Championship 2019/12/16 2019/12/21 Namibia (NAM) Standard 120 1.00 9 9 4.0 1655.0 1644.2 Analysis
34 World Youth Chess Championship 2019 2019/10/02 2019/10/12 India (IND) Standard 150 1.00 11 10 2.5 1639.6 1625.4 Analysis
33 2019 Boksburg Chess Club Round Robin (A) 2019/09/28 2019/09/28 Ekurhuleni (GE) Standard 60 0.83 5 5 0.0 1688.2 1683.4 Analysis
32 2019 Gauteng School League Finals (U17 Open) 2019/08/24 2019/08/24 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1708.0 1708.6 Analysis
31 Bishop Bavin Open 2019 (A) 2019/08/17 2019/08/17 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1708.0 1708.6 Analysis
30 Boksburg Chess Club Open 2019 (A) 2019/07/13 2019/07/13 Ekurhuleni (GE) Standard 60 0.83 5 5 2.5 1702.9 1708.0 Analysis
29 COMMONWEALTH CHESS CHAMPIONSHIP-2019 2019/07/01 2019/07/07 India (IND) Standard 120 1.00 7 7 3.5 1702.9 1708.0 Analysis
28 COMMONWEALTH CHESS CHAMPIONSHIP-2019 2019/06/30 2019/07/07 India (IND) Standard 120 1.00 9 9 3.5 1702.9 1708.0 Analysis
27 Ekurhuleni Trials (3) 2019 (U18+U20) 2019/06/08 2019/06/08 Ekurhuleni (GE) Standard 60 0.83 5 5 5.0 1682.2 1684.2 Analysis
26 2019 Gauteng Secondary Schools Individual Chess Championships (U18 Boys) 2019/05/25 2019/05/25 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1708.0 1715.6 Analysis
25 2019 South African Junior Closed Chess Championship (U18 Open) 2019/03/17 2019/03/22 Chess South Africa (CSA) Standard 120 1.00 9 9 6.0 1504.5 1491.6 Analysis
24 2019 Waterkloof Open (A) 2019/03/02 2019/03/03 Tshwane (GTP) Standard 90 0.94 5 4 3.0 1504.5 1491.6 Analysis
123
Game 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 275 122 48 105 146.0 53.1 26.3 1524.2 1550.5
White 139 63 29 47 77.5 55.8 48.9 1499.0 1547.9
Black 136 59 19 58 68.5 50.4 3.1 1550.0 1553.1
Standard All 245 108 46 91 131.0 53.5 29.5 1517.3 1546.7
White 123 54 28 41 68.0 55.3 44.9 1502.9 1547.8
Black 122 54 18 50 63.0 51.6 13.9 1531.8 1545.7
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 30 14 2 14 15.0 50.0 0.0 1581.1 1581.1
White 16 9 1 6 9.5 59.4 79.7 1469.2 1548.9
Black 14 5 1 8 5.5 39.3 -91.1 1708.9 1617.9
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 105058538 Smit, D (Devon) 4 1.5 1 1 2 37.5 1518.6 -106.3 1412.4 View list
2 104069713 Vorster, T (Tyrone) 3 2.5 2 1 0 83.3 1507.0 283.3 1790.3 View list
3 102023099 Millard, C (Chad) 3 0.5 0 1 2 16.7 1501.9 -283.3 1218.5 View list
4 102051345 Nyathi, M (Musa) 3 0.5 0 1 2 16.7 1475.3 -283.3 1191.9 View list
5 101015487 Khumalo, KB (Keith) 3 0.0 0 0 3 0.0 1491.8 -425.0 1066.8 View list
6 173022117 Mbedza, R (Richard) 3 0.0 0 0 3 0.0 1555.7 -425.0 1130.7 View list
7 189038287 Tshetlo, T (Tshepo) 3 0.0 0 0 3 0.0 1568.7 -425.0 1143.7 View list
8 106053297 Govender, S (Shevern) 2 2.0 2 0 0 100.0 1475.8 425.0 1900.8 View list
9 102053217 Higgins, F (Franco) 2 2.0 2 0 0 100.0 1579.1 425.0 2004.1 View list
10 100071698 Hlahla, T (Tebogo) 2 2.0 2 0 0 100.0 1570.6 425.0 1995.6 View list
11 102019898 Makhura, T (Thabang) 2 2.0 2 0 0 100.0 1510.1 425.0 1935.1 View list
12 104053107 Govender, Y (Yaduvir) 2 1.5 1 1 0 75.0 1448.8 212.5 1661.3 View list
13 106013013 Huisamen, BB (Botha) 2 1.5 1 1 0 75.0 1494.8 212.5 1707.3 View list
14 102023635 Modirwa, O (Ofentse) 2 1.5 1 1 0 75.0 1440.0 212.5 1652.5 View list
15 169042155 Vorster, SPM (Stephanus) 2 1.5 1 1 0 75.0 1449.6 212.5 1662.1 View list
16 105060746 De Meyer, M (Marco) 2 1.0 1 0 1 50.0 1642.3 0.0 1642.3 View list
17 102009443 Fibiger, JN (Jethro) 2 1.0 1 0 1 50.0 1495.0 0.0 1495.0 View list
18 104086479 Hlongwane, B (Blessing) 2 1.0 1 0 1 50.0 1570.0 0.0 1570.0 View list
19 101000959 Jack, AW (Azile) 2 1.0 1 0 1 50.0 1495.0 0.0 1495.0 View list
20 174019534 Mahlangu, S (Stefan) 2 1.0 1 0 1 50.0 1420.0 0.0 1420.0 View list