Player Page

Van Der Westhuizen, L (Leighton)
Dob: 2009/09/08 (U16)
Gender: Male
Chess SA id: 1090109813
FIDE id:
Region: Sedibeng (GSV)
Citizen: RSA
Title(s):
Last active: 2024/04/13 (72 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 rating1123.8
Current Weighted rating1175.2
Current Weighted performance962.1
Current official/published rating (highest between Raw, WR and WP)1175.2
Current highest rating achieved1261.4
Current floor (min rating allowed)761.4
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)±184.8
Current Raw change used (final)0.0
Projected new Raw rating1123.8
Projected new Weighed rating1081.2
Projected new Weighted performance962.1
Projected new final Raw rating (if new WP > new Raw)1123.8
Projected new highest rating1261.4
Projected new floor761.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1123.8
Projected effective change (new Official - current Official)-51.4
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 rating1101.2
Current Weighted rating1155.2
Current Weighted performance962.1
Current official/published rating (highest between Raw, WR and WP)1155.2
Current highest rating achieved1274.0
Current floor (min rating allowed)774.0
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)±190.9
Current Raw change used (final)0.0
Projected new Raw rating1101.2
Projected new Weighed rating1062.6
Projected new Weighted performance962.1
Projected new final Raw rating (if new WP > new Raw)1101.2
Projected new highest rating1274.0
Projected new floor774.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1101.2
Projected effective change (new Official - current Official)-54.0
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 rating1223.2
Current Weighted rating1213.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1223.2
Current highest rating achieved1223.2
Current floor (min rating allowed)723.2
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)±160.4
Current Raw change used (final)0.0
Projected new Raw rating1223.2
Projected new Weighed rating1117.2
Projected new Weighted performance458.3
Projected new final Raw rating (if new WP > new Raw)1223.2
Projected new highest rating1223.2
Projected new floor723.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1223.2
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 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
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 Vaalpark Primary Chess Open 2024 (B) 2024/04/13 2024/04/13 Sedibeng (GSV) Standard 60 0.83 5 3 0.0 1171.9 1158.4 Analysis
3 NG Kerk Vanderbijlpark Suid 2024 (C) 2024/02/24 2024/02/24 Sedibeng (GSV) Standard 61 0.84 5 5 2.0 1130.4 1094.0 Analysis
2 Laerskool Midvaal Chess Open Section 2024 (C) 2024/02/10 2024/02/10 Sedibeng (GSV) Standard 61 0.84 5 5 3.0 1130.4 1094.0 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U16C) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 0.0 1198.4 1162.8 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
14 Vaalpark Primary Chess Open 2024 (B) 2024/04/13 2024/04/13 Sedibeng (GSV) Standard 60 0.83 5 3 0.0 1171.9 1158.4 Analysis
13 NG Kerk Vanderbijlpark Suid 2024 (C) 2024/02/24 2024/02/24 Sedibeng (GSV) Standard 61 0.84 5 5 2.0 1130.4 1094.0 Analysis
12 Laerskool Midvaal Chess Open Section 2024 (C) 2024/02/10 2024/02/10 Sedibeng (GSV) Standard 61 0.84 5 5 3.0 1130.4 1094.0 Analysis
11 2024 Gauteng Inter-Region Chess Championship (U16C) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 0.0 1198.4 1162.8 Analysis
10 Queens Gambit Chess Open 2023 (C) 2023/11/25 2023/11/25 Sedibeng (GSV) Standard 60 0.83 5 5 2.0 1197.2 1152.0 Analysis
9 Dr Pieter Hangelbroek Rapid 2023 (B) 2023/10/28 2023/10/28 Sedibeng (GSV) Rapid 30 0.60 5 5 3.0 1217.3 1200.0 Analysis
8 NWU Vaal Open 2023 (B) 2023/10/14 2023/10/14 Sedibeng (GSV) Standard 61 0.83 5 4 0.0 1217.3 1218.2 Analysis
7 Gauteng Schools D7 2023 (U15 Boys) 2023/05/20 2023/05/20 Sedibeng (GSV) Standard 60 0.83 5 5 3.0 1207.1 1206.0 Analysis
6 Overvaal Open 2023 (C) 2023/04/15 2023/04/15 Sedibeng (GSV) Standard 60 0.83 5 5 2.5 1199.6 1198.4 Analysis
5 AG Visser Open 2023 (C) 2023/02/18 2023/02/18 Sedibeng (GSV) Standard 60 0.83 5 5 4.0 1148.2 1130.0 Analysis
4 Heidelberg Open 2023 (A) 2023/02/04 2023/02/04 Sedibeng (GSV) Standard 60 0.83 5 3 0.0 1148.2 1130.0 Analysis
3 Midvaal Chess Open 2020 (B) 2020/01/25 2020/01/25 Sedibeng (GSV) Standard 61 0.83 5 5 0.0 1242.6 1248.4 Analysis
2 D7 Primary School League 2019 (U11) 2019/08/03 2019/08/03 Sedibeng (GSV) Standard 60 0.83 5 4 2.0 1261.4 1274.0 Analysis
1 AG Visser Skaak Ope 2019 (I) 2019/02/23 2019/02/23 Sedibeng (GSV) Standard 61 0.83 5 5 4.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 18 5 0 13 5.0 27.8 -188.9 1239.6 1050.7
White 9 1 0 8 1.0 11.1 -330.6 1265.2 934.6
Black 9 4 0 5 4.0 44.4 -47.2 1214.0 1166.8
Standard All 18 5 0 13 5.0 27.8 -188.9 1239.6 1050.7
White 9 1 0 8 1.0 11.1 -330.6 1265.2 934.6
Black 9 4 0 5 4.0 44.4 -47.2 1214.0 1166.8
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 64 25 2 37 26.0 40.6 -79.7 1242.8 1163.1
White 31 14 1 16 14.5 46.8 -27.4 1248.5 1221.1
Black 33 11 1 21 11.5 34.8 -128.8 1237.3 1108.6
Standard All 59 22 2 35 23.0 39.0 -93.6 1228.3 1134.7
White 28 12 1 15 12.5 44.6 -45.5 1231.7 1186.1
Black 31 10 1 20 10.5 33.9 -137.1 1225.3 1088.2
Rapid All 5 3 0 2 3.0 60.0 85.0 1413.0 1498.0
White 3 2 0 1 2.0 66.7 141.7 1405.6 1547.3
Black 2 1 0 1 1.0 50.0 0.0 1424.2 1424.2
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 1110151858 Van De Venter, Z (Zandre) 3 0.0 0 0 3 0.0 1181.6 -425.0 756.6 View list
2 1100114958 Fourie, L (Lucius) 2 2.0 2 0 0 100.0 1163.8 425.0 1588.8 View list
3 2110138272 Campher, H (Hannah) 2 1.0 1 0 1 50.0 1173.8 0.0 1173.8 View list
4 108092849 Majola, O (Omphile) 2 0.0 0 0 2 0.0 1208.4 -425.0 783.4 View list
5 1130140211 Bezuidenhout, M (Marlo) 1 1.0 1 0 0 100.0 1148.2 425.0 1573.2 View list
6 108080726 Howat, LC (Logan) 1 1.0 1 0 0 100.0 1217.3 425.0 1642.3 View list
7 1110103524 Kotzee, A (Armand) 1 1.0 1 0 0 100.0 1217.3 425.0 1642.3 View list
8 2130144760 Buchebner, M (Mikayla) 1 1.0 1 0 0 100.0 1130.4 425.0 1555.4 View list
9 109076176 Coetzee, J (Jaco) 1 1.0 1 0 0 100.0 1261.4 425.0 1686.4 View list
10 2130144761 Coetzer, A (Ashlynn) 1 1.0 1 0 0 100.0 1148.2 425.0 1573.2 View list
11 1090155852 Mashinini, K (Kamohelo) 1 1.0 1 0 0 100.0 1207.1 425.0 1632.1 View list
12 1090141898 Mojaju, K (Kelebokgile) 1 1.0 1 0 0 100.0 1199.6 425.0 1624.6 View list
13 2100143398 Morajane, N (Nothile) 1 1.0 1 0 0 100.0 1197.2 425.0 1622.2 View list
14 107086028 Mtambo, B (Bokang) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
15 207087959 Nel, SL (Sydney) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
16 1080116893 Rossouw, J (Jacque) 1 1.0 1 0 0 100.0 1261.4 425.0 1686.4 View list
17 2100119737 Shen Yu, C (Caroline) 1 1.0 1 0 0 100.0 1148.2 425.0 1573.2 View list
18 1100109812 Sibanda, S (Sheedon) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
19 1080154689 Smayile, A (Anje) 1 1.0 1 0 0 100.0 1207.1 425.0 1632.1 View list
20 1090144722 Tsepang, S (Sekhoto) 1 1.0 1 0 0 100.0 1207.1 425.0 1632.1 View list