Player Page

Duvenhage, LC (Leon)
Dob: 2005/10/09 (U20)
Gender: Male
Chess SA id: 105008461
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2023/07/29 (485 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 rating1302.3
Current Weighted rating1304.8
Current Weighted performance895.0
Current official/published rating (highest between Raw, WR and WP)1304.8
Current highest rating achieved1328.6
Current floor (min rating allowed)828.6
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)±143.3
Current Raw change used (final)0.0
Projected new Raw rating1302.3
Projected new Weighed rating1200.0
Projected new Weighted performance895.0
Projected new final Raw rating (if new WP > new Raw)1302.3
Projected new highest rating1328.6
Projected new floor828.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1302.3
Projected effective change (new Official - current Official)-2.5
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 rating1288.5
Current Weighted rating1291.4
Current Weighted performance874.5
Current official/published rating (highest between Raw, WR and WP)1291.4
Current highest rating achieved1319.1
Current floor (min rating allowed)819.1
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)±146.2
Current Raw change used (final)0.0
Projected new Raw rating1288.5
Projected new Weighed rating1187.6
Projected new Weighted performance874.5
Projected new final Raw rating (if new WP > new Raw)1288.5
Projected new highest rating1319.1
Projected new floor819.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1288.5
Projected effective change (new Official - current Official)-2.9
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 rating1105.4
Current Weighted rating1105.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1105.4
Current highest rating achieved1105.4
Current floor (min rating allowed)605.4
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)±189.7
Current Raw change used (final)0.0
Projected new Raw rating1105.4
Projected new Weighed rating1017.0
Projected new Weighted performance311.9
Projected new final Raw rating (if new WP > new Raw)1105.4
Projected new highest rating1105.4
Projected new floor605.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1105.4
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 rating1025.4
Current Weighted rating1025.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1025.4
Current highest rating achieved1025.4
Current floor (min rating allowed)525.4
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)±212.6
Current Raw change used (final)0.0
Projected new Raw rating1025.4
Projected new Weighed rating943.4
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1025.4
Projected new floor525.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1025.4
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
26 2023 Tshwane South School District CLOSED League Championship (U19) 2023/07/29 2023/07/29 Tshwane (GTP) Standard 60 0.83 5 4 2.0 1328.6 1319.1 Analysis
25 2022 Gauteng Schools Individual Chess Championship (U18 Boys) 2022/06/18 2022/06/18 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1318.4 1306.5 Analysis
24 D4 Individuals 2022 (U18 Open) 2022/04/23 2022/04/23 Tshwane (GTP) Rapid 30 0.60 7 7 4.0 1310.4 1025.4 Analysis
23 2022 Gauteng Interregion (U18 Open) 2022/02/26 2022/02/26 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1309.2 1306.9 Analysis
22 2021 Etienne Lewis Closed Trials (U18+U20 Open) 2021/09/24 2021/09/26 Nelson Mandela Bay (ENM) Standard 90 0.94 7 4 2.0 1311.6 1310.1 Analysis
21 2021 Registration Tournament (B) 2021/03/13 2021/03/13 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1305.6 1304.0 Analysis
20 2019 Wild Card Chess Championship (U16 Open) 2020/01/09 2020/01/12 4 Knights (4K) Standard 120 1.00 7 4 1.0 1306.7 1305.1 Analysis
19 2019 South African Junior Team Championships (U16B) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 5.0 1306.7 1305.1 Analysis
18 2019 Lardies Open (B) 2019/10/26 2019/10/26 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1312.4 1311.6 Analysis
17 2019 Etienne Lewis Trials (U16 Boys) 2019/08/30 2019/09/01 Tshwane (GTP) Standard 120 1.00 7 7 3.0 1304.5 1302.6 Analysis
16 2019 Alekhine Open (B) 2019/08/09 2019/08/10 Tshwane (GTP) Standard 120 1.00 5 5 3.0 1280.0 1278.1 Analysis
15 2019 Swartkop Open (B) 2019/06/15 2019/06/15 Tshwane (GTP) Standard 60 0.83 5 4 1.5 1287.2 1284.9 Analysis
14 2019 Capablanca Chess Festival (Swiss B) 2019/04/19 2019/04/21 Tshwane (GTP) Standard 90 0.94 7 7 2.5 1299.8 1296.5 Analysis
13 2019 Waterkloof Open (C) 2019/03/02 2019/03/03 Tshwane (GTP) Standard 90 0.94 5 5 4.0 1225.5 1222.1 Analysis
12 2019 Constantia Park Open (C) 2019/02/09 2019/02/09 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1148.5 1143.1 Analysis
11 2018 Wild Card Chess Championships (U14 Open) 2018/12/21 2018/12/24 4 Knights (4K) Standard 120 1.00 7 7 2.5 1136.5 1133.1 Analysis
10 South African Junior Team Championships 2018 (U14B) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 6.5 1136.5 1133.1 Analysis
9 2018 Lardies Ope (C) 2018/10/27 2018/10/27 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1096.4 1094.3 Analysis
8 2018 Etienne Lewis Trials (U14 Boys) 2018/08/31 2018/09/02 Tshwane (GTP) Standard 120 1.00 7 6 3.0 1041.0 1040.1 Analysis
7 2018 Alekhine Open (C) 2018/08/09 2018/08/11 Tshwane (GTP) Standard 90 0.94 6 6 4.0 973.4 972.6 Analysis
12
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 143 72 12 59 78.0 54.5 38.6 1165.7 1204.3
White 73 38 6 29 41.0 56.2 52.4 1141.8 1194.2
Black 70 34 6 30 37.0 52.9 24.3 1190.7 1214.9
Standard All 136 68 12 56 74.0 54.4 37.5 1157.6 1195.1
White 69 35 6 28 38.0 55.1 43.1 1135.4 1178.6
Black 67 33 6 28 36.0 53.7 31.7 1180.3 1212.1
Rapid All 7 4 0 3 4.0 57.1 60.7 1324.1 1384.8
White 4 3 0 1 3.0 75.0 212.5 1251.2 1463.7
Black 3 1 0 2 1.0 33.3 -141.7 1421.2 1279.5
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 209092675 Ramlall, S (Sanjana) 3 2.0 2 0 1 66.7 1225.4 141.7 1367.1 View list
2 106095058 Dippenaar, A (Adriaan) 2 2.0 2 0 0 100.0 1175.7 425.0 1600.7 View list
3 106076003 Dvir, O (Omer) 2 2.0 2 0 0 100.0 926.0 425.0 1351.0 View list
4 109083426 Gerber, J (Juandre) 2 2.0 2 0 0 100.0 1034.3 425.0 1459.3 View list
5 207056039 Smit, M (Mikayla) 2 2.0 2 0 0 100.0 926.0 425.0 1351.0 View list
6 105087848 Strydom, RW (Ruben Wynand) 2 2.0 2 0 0 100.0 1311.0 425.0 1736.0 View list
7 107046393 Fourie, K (Keanan) 2 1.0 1 0 1 50.0 1165.5 0.0 1165.5 View list
8 1050140014 Mendes, R (Renaldo) 2 1.0 1 0 1 50.0 1314.4 0.0 1314.4 View list
9 210083428 Rautenbach, H (Helen Christine) 2 1.0 1 0 1 50.0 1296.4 0.0 1296.4 View list
10 104053910 Rhoodie, N (Nicolaas) 2 1.0 1 0 1 50.0 1139.0 0.0 1139.0 View list
11 105052031 Du Toit, GJ (Gerhardus (Eghardt)) 2 0.5 0 1 1 25.0 1176.3 -212.5 963.8 View list
12 207085410 Le Roux, C (Claire) 2 0.5 0 1 1 25.0 1204.4 -212.5 991.9 View list
13 176085227 Nkuna, A (Andrew) 2 0.5 0 1 1 25.0 1129.5 -212.5 917.0 View list
14 102088569 Dyonta, C (Cebokuhle) 2 0.0 0 0 2 0.0 998.8 -425.0 573.8 View list
15 107086377 Jacobs, TB (Tiaan Benjamin) 2 0.0 0 0 2 0.0 1283.6 -425.0 858.6 View list
16 103014549 Joubert, D (Divan) 2 0.0 0 0 2 0.0 1117.7 -425.0 692.7 View list
17 104069233 Lodi, N (Neo) 2 0.0 0 0 2 0.0 1302.2 -425.0 877.2 View list
18 106035283 Smit, YH (Yoshua) 2 0.0 0 0 2 0.0 1006.4 -425.0 581.4 View list
19 206001830 Bent, C (Cierra) 1 1.0 1 0 0 100.0 1312.4 425.0 1737.4 View list
20 1040117677 Byrne, K (Kyle) 1 1.0 1 0 0 100.0 1306.7 425.0 1731.7 View list