Player Page

Wolvaardt, J (Jonathan)
Dob: 2015/04/06 (U10)
Gender: Male
Chess SA id: 1150140638
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/09/01 (7 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
Current Raw rating1397.6
Current Weighted rating1324.8
Current Weighted performance1394.2
Current official/published rating (highest between Raw, WR and WP)1397.6
Current highest rating achieved1436.0
Current floor (min rating allowed)936.0
Current K-factor32
Games played this month7
Score (S)4.0
Expected score (We)4.11
Difference (S-We)-0.10
Current Raw change (no limits, including tournament time weight)-3.3
Current min/max change allowed (with limits)±125.1
Current Raw change used (final)-3.3
Projected new Raw rating1394.3
Projected new Weighed rating1219.0
Projected new Weighted performance1399.1
Projected new final Raw rating (if new WP > new Raw)1399.1
Projected new highest rating1436.0
Projected new floor936.0
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1399.1
Projected effective change (new Official - current Official)+1.5
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 rating1393.6
Current Weighted rating1329.5
Current Weighted performance1394.2
Current official/published rating (highest between Raw, WR and WP)1394.2
Current highest rating achieved1433.7
Current floor (min rating allowed)933.7
Current K-factor32
Games played this month7
Score (S)4.0
Expected score (We)4.07
Difference (S-We)-0.07
Current Raw change (no limits, including tournament time weight)-2.2
Current min/max change allowed (with limits)±125.8
Current Raw change used (final)-2.2
Projected new Raw rating1391.4
Projected new Weighed rating1223.2
Projected new Weighted performance1399.1
Projected new final Raw rating (if new WP > new Raw)1399.1
Projected new highest rating1433.7
Projected new floor933.7
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1399.1
Projected effective change (new Official - current Official)+4.9
s
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
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)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
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 rating983.2
Current Weighted rating1000.7
Current Weighted performance953.3
Current official/published rating (highest between Raw, WR and WP)1000.7
Current highest rating achieved1153.2
Current floor (min rating allowed)653.2
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)±225.8
Current Raw change used (final)0.0
Projected new Raw rating983.2
Projected new Weighed rating917.6
Projected new Weighted performance953.3
Projected new final Raw rating (if new WP > new Raw)983.2
Projected new highest rating1153.2
Projected new floor653.2
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)983.2
Projected effective change (new Official - current Official)-17.5
Tournaments
Tournament: 2024 Etienne Lewis (U10)
Start: 2024/08/30  End: 2024/09/01  Host: GTP  Type: Standard   Time: 90  Time weight: 0.94  Rounds: 7
Games: 7  Score: 4.0
Main rating: 1397.6  Rating gain/loss: -3.3
Type rating: 1393.6  Rating gain/loss: -2.2
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
11 2024 Etienne Lewis (U10) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 4.0 1397.6 1393.6 Analysis
10 2024 Alekhine Open Chess Tournament (U10) 2024/08/09 2024/08/09 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1376.7 1369.0 Analysis
9 D4 Tshwane South District Schools Teams Chess Tournament 2024 (U9A) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1376.7 1369.0 Analysis
8 2024 Midstream College Open Chess Tournament (U10) 2024/07/20 2024/07/20 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1313.6 1309.0 Analysis
7 2024 Elise Steenkamp Open Chess Tournament (Rooks) 2024/06/15 2024/06/15 Tshwane (GTP) Standard 90 0.94 5 4 3.0 1315.8 1317.0 Analysis
6 2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (D) 2024/06/01 2024/06/01 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1315.8 1317.0 Analysis
5 2024 Mid Gauteng Open Chess Tournament (U10) 2024/05/02 2024/05/02 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1311.6 1310.9 Analysis
4 2024 Silver Lakes Open Chess Tournament (D2) 2024/04/20 2024/04/20 Tshwane (GTP) Standard 60 0.83 5 0 0.0 1311.6 1310.9 Analysis
3 2024 Chris Greyling Open Chess Tournament (D3) 2024/03/16 2024/03/16 Tshwane (GTP) Standard 60 0.83 5 3 1.0 1316.4 1318.6 Analysis
2 2024 Blou Bul Open Chess Tournament (D) 2024/02/10 2024/02/10 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1306.3 1317.0 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U10B) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 3 3.0 1274.7 1284.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
46 2024 Etienne Lewis (U10) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 4.0 1397.6 1393.6 Analysis
45 2024 Alekhine Open Chess Tournament (U10) 2024/08/09 2024/08/09 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1376.7 1369.0 Analysis
44 D4 Tshwane South District Schools Teams Chess Tournament 2024 (U9A) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1376.7 1369.0 Analysis
43 2024 Midstream College Open Chess Tournament (U10) 2024/07/20 2024/07/20 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1313.6 1309.0 Analysis
42 2024 Elise Steenkamp Open Chess Tournament (Rooks) 2024/06/15 2024/06/15 Tshwane (GTP) Standard 90 0.94 5 4 3.0 1315.8 1317.0 Analysis
41 2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (D) 2024/06/01 2024/06/01 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1315.8 1317.0 Analysis
40 2024 Mid Gauteng Open Chess Tournament (U10) 2024/05/02 2024/05/02 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1311.6 1310.9 Analysis
39 2024 Silver Lakes Open Chess Tournament (D2) 2024/04/20 2024/04/20 Tshwane (GTP) Standard 60 0.83 5 0 0.0 1311.6 1310.9 Analysis
38 2024 Chris Greyling Open Chess Tournament (D3) 2024/03/16 2024/03/16 Tshwane (GTP) Standard 60 0.83 5 3 1.0 1316.4 1318.6 Analysis
37 2024 Blou Bul Open Chess Tournament (D) 2024/02/10 2024/02/10 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1306.3 1317.0 Analysis
36 2024 Gauteng Inter-Region Chess Championship (U10B) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 3 3.0 1274.7 1284.0 Analysis
35 Lardies Open Tournament 2023 (D2) 2023/10/28 2023/10/28 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1293.7 1311.5 Analysis
34 2023 Gauteng Noord (D) 2023/10/14 2023/10/15 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1293.7 1311.5 Analysis
33 2023 Tuks Open Chess Tournament (D) 2023/10/07 2023/10/07 Tshwane (GTP) Standard 60 0.83 5 0 0.0 1293.7 1311.5 Analysis
32 2023 Alekhine Open Tournament (D) 2023/09/09 2023/09/09 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1324.4 1345.7 Analysis
31 2023 Etienne Lewis Closed Tournament (U10) 2023/08/25 2023/08/27 Tshwane (GTP) Standard 90 0.94 7 7 4.0 1355.2 1378.0 Analysis
30 2023 Tshwane Chess FIDE Rated Blitz League 4 2023/08/13 2023/08/13 Tshwane (GTP) Blitz 5 0.18 9 8 2.0 1355.2 989.6 Analysis
29 2023 Woman's Day Open Chess Tournament (Knight) 2023/08/09 2023/08/09 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1355.2 1378.0 Analysis
28 2023 Tshwane South School District CLOSED League Championship (U9) 2023/07/29 2023/07/29 Tshwane (GTP) Standard 60 0.83 5 4 2.0 1404.5 1433.7 Analysis
27 2023 Menlo Open Tournament (D) 2023/07/22 2023/07/22 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1404.5 1433.7 Analysis
123
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 47 30 0 17 30.0 63.8 117.6 1260.2 1377.7
White 21 17 0 4 17.0 81.0 263.1 1241.9 1505.0
Black 26 13 0 13 13.0 50.0 0.0 1275.0 1275.0
Standard All 47 30 0 17 30.0 63.8 117.6 1260.2 1377.7
White 21 17 0 4 17.0 81.0 263.1 1241.9 1505.0
Black 26 13 0 13 13.0 50.0 0.0 1275.0 1275.0
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 232 115 16 101 123.0 53.0 25.6 1254.1 1279.8
White 113 60 11 42 65.5 58.0 67.7 1257.3 1325.0
Black 119 55 5 59 57.5 48.3 -14.3 1251.1 1236.8
Standard All 193 108 11 74 113.5 58.8 74.9 1237.0 1311.9
White 92 54 8 30 58.0 63.0 110.9 1237.0 1347.8
Black 101 54 3 44 55.5 55.0 42.1 1237.1 1279.2
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 39 7 5 27 9.5 24.4 -217.9 1338.8 1120.9
White 21 6 3 12 7.5 35.7 -121.4 1346.6 1225.2
Black 18 1 2 15 2.0 11.1 -330.6 1329.8 999.3
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 2150143035 Van Zyl, S (Sanli) 5 2.0 2 0 3 40.0 1259.2 -85.0 1174.2 View list
2 2140149175 Boshoff, M (Milah) 4 4.0 4 0 0 100.0 1377.3 425.0 1802.3 View list
3 1150143864 De Klerk, O (Oliver) 4 4.0 4 0 0 100.0 1321.1 425.0 1746.1 View list
4 2150151386 Rizvi, Z (Zara) 3 3.0 3 0 0 100.0 1403.4 425.0 1828.4 View list
5 1140143168 Muller, J (Jano) 3 2.5 2 1 0 83.3 1330.2 283.3 1613.5 View list
6 1140140634 De Beer, L (Liam Nicolaas) 3 2.0 2 0 1 66.7 1324.6 141.7 1466.3 View list
7 1150143812 Kwint, J (Jack) 3 2.0 2 0 1 66.7 1386.4 141.7 1528.1 View list
8 1160137420 Badat, M (Mikaeel) 3 1.0 1 0 2 33.3 1390.6 -141.7 1248.9 View list
9 2150137653 Conradie, I (Ingrid) 3 1.0 1 0 2 33.3 1171.6 -141.7 1030.0 View list
10 1140160790 Bienedell, R (Robin) 3 0.5 0 1 2 16.7 1336.5 -283.3 1053.1 View list
11 1150149177 Kleynhans, M (Magnus) 3 0.5 0 1 2 16.7 1361.1 -283.3 1077.8 View list
12 2110106009 Veldman, C (Chantane) 3 0.0 0 0 3 0.0 1318.4 -425.0 893.4 View list
13 1140137652 Aikman, D (Desmond Gustav) 2 2.0 2 0 0 100.0 1285.4 425.0 1710.4 View list
14 2150147100 Dixon, G (Genevieve) 2 2.0 2 0 0 100.0 1244.9 425.0 1669.9 View list
15 1150147659 Du Toit, W (Wilco) 2 2.0 2 0 0 100.0 1291.8 425.0 1716.8 View list
16 1140146391 Labuschagne, G (Gian) 2 2.0 2 0 0 100.0 1295.8 425.0 1720.8 View list
17 1150147668 Malan, D (Divan) 2 2.0 2 0 0 100.0 1389.8 425.0 1814.8 View list
18 2150306251 Vosloo, L (Leja) 2 2.0 2 0 0 100.0 1387.2 425.0 1812.2 View list
19 2150145696 Erasmus, T (Trisa) 2 1.5 1 1 0 75.0 1266.3 212.5 1478.8 View list
20 2140137411 Keyter, A (Alissa) 2 1.5 1 1 0 75.0 1420.7 212.5 1633.2 View list