Player Page

Van Der Merwe, L (Luan Rudolf Johanne)
Dob: 2011/12/21 (U14)
Gender: Male
Chess SA id: 1110147448
FIDE id:
Region: Overberg (WOS)
Citizen: RSA
Title(s):
Last active: 2024/06/08 (9 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 rating1106.8
Current Weighted rating1114.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1114.6
Current highest rating achieved1149.4
Current floor (min rating allowed)649.4
Current K-factor40
Games played this month6
Score (S)2.0
Expected score (We)2.15
Difference (S-We)-0.10
Current Raw change (no limits, including tournament time weight)-4.0
Current min/max change allowed (with limits)±189.4
Current Raw change used (final)-4.0
Projected new Raw rating1102.8
Projected new Weighed rating1024.1
Projected new Weighted performance958.3
Projected new final Raw rating (if new WP > new Raw)1102.8
Projected new highest rating1149.4
Projected new floor649.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1102.8
Projected effective change (new Official - current Official)-11.7
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 rating1138.8
Current Weighted rating1158.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1158.1
Current highest rating achieved1140.4
Current floor (min rating allowed)640.4
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)±180.9
Current Raw change used (final)0.0
Projected new Raw rating1138.8
Projected new Weighed rating1064.3
Projected new Weighted performance598.9
Projected new final Raw rating (if new WP > new Raw)1138.8
Projected new highest rating1140.4
Projected new floor640.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1138.8
Projected effective change (new Official - current Official)-19.3
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 rating1100.8
Current Weighted rating1104.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1104.3
Current highest rating achieved1116.4
Current floor (min rating allowed)616.4
Current K-factor40
Games played this month6
Score (S)2.0
Expected score (We)1.98
Difference (S-We)0.02
Current Raw change (no limits, including tournament time weight)0.8
Current min/max change allowed (with limits)±191.0
Current Raw change used (final)0.8
Projected new Raw rating1101.6
Projected new Weighed rating1015.0
Projected new Weighted performance711.7
Projected new final Raw rating (if new WP > new Raw)1101.6
Projected new highest rating1116.4
Projected new floor616.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1101.6
Projected effective change (new Official - current Official)-2.7
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
Tournament: Western Cape - Brian Raubenheimer Development Tournament 2024 (U13 Boys)
Start: 2024/06/08  End: 2024/06/08  Host: WOS  Type: Rapid   Time: 35  Time weight: 0.66  Rounds: 6
Games: 6  Score: 2.0
Main rating: 1106.8  Rating gain/loss: -4.0
Type rating: 1100.8  Rating gain/loss: 0.8
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 Western Cape - Brian Raubenheimer Development Tournament 2024 (U13 Boys) 2024/06/08 2024/06/08 Overberg (WOS) Rapid 35 0.66 6 6 2.0 1106.8 1100.8 Analysis
1 Overberg Schools - PS Closed 2024 (U13 Boys) 2024/03/16 2024/03/16 Overberg (WOS) Standard 60 0.83 5 5 2.0 1099.5 1140.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
5 Western Cape - Brian Raubenheimer Development Tournament 2024 (U13 Boys) 2024/06/08 2024/06/08 Overberg (WOS) Rapid 35 0.66 6 6 2.0 1106.8 1100.8 Analysis
4 Overberg Schools - PS Closed 2024 (U13 Boys) 2024/03/16 2024/03/16 Overberg (WOS) Standard 60 0.83 5 5 2.0 1099.5 1140.4 Analysis
3 Overberg Top Schools 2023 (U13) 2023/08/05 2023/08/05 Overberg (WOS) Standard 60 0.83 5 5 1.5 1134.4 1200.0 Analysis
2 Overberg Schools Bredasdorp Zone Trails 2023 (U13) 2023/02/16 2023/03/02 Overberg (WOS) Rapid 20 0.47 6 6 2.0 1149.4 1116.4 Analysis
1 Metro Rapid 2022 (U11 Boys) 2022/10/22 2022/10/22 Cape Town (WCT) Rapid 30 0.60 5 4 0.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 11 4 0 7 4.0 36.4 -115.9 1229.0 1113.1
White 6 2 0 4 2.0 33.3 -141.7 1236.3 1094.6
Black 5 2 0 3 2.0 40.0 -85.0 1220.4 1135.4
Standard All 5 2 0 3 2.0 40.0 -85.0 1230.7 1145.7
White 3 1 0 2 1.0 33.3 -141.7 1238.1 1096.4
Black 2 1 0 1 1.0 50.0 0.0 1219.7 1219.7
Rapid All 6 2 0 4 2.0 33.3 -141.7 1227.6 1086.0
White 3 1 0 2 1.0 33.3 -141.7 1234.4 1092.8
Black 3 1 0 2 1.0 33.3 -141.7 1220.9 1079.2
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
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 26 7 1 18 7.5 28.8 -179.8 1190.9 1011.1
White 14 3 1 10 3.5 25.0 -212.5 1167.5 955.0
Black 12 4 0 8 4.0 33.3 -141.7 1218.2 1076.5
Standard All 10 3 1 6 3.5 35.0 -127.5 1182.2 1054.7
White 6 2 1 3 2.5 41.7 -70.8 1138.6 1067.8
Black 4 1 0 3 1.0 25.0 -212.5 1247.7 1035.2
Rapid All 16 4 0 12 4.0 25.0 -212.5 1196.3 983.8
White 8 1 0 7 1.0 12.5 -318.8 1189.2 870.4
Black 8 3 0 5 3.0 37.5 -106.3 1203.5 1097.2
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 1120159234 Nceka, B (Brandon) 2 1.0 1 0 1 50.0 1103.2 0.0 1103.2 View list
2 1100151344 Dirroow, A (Abdi) 1 1.0 1 0 0 100.0 1149.4 425.0 1574.4 View list
3 1120100598 Ellman, A (Andries) 1 1.0 1 0 0 100.0 1106.8 425.0 1531.8 View list
4 1110138425 Liebenberg, J (Junior) 1 1.0 1 0 0 100.0 1134.4 425.0 1559.4 View list
5 1110106824 Scholtz, F (Francois) 1 1.0 1 0 0 100.0 1099.5 425.0 1524.5 View list
6 1100151349 Omar, A (Abdullah) 1 1.0 1 0 0 100.0 1149.4 425.0 1574.4 View list
7 1110151353 Swart, J (Jayden) 1 1.0 1 0 0 100.0 1099.5 425.0 1524.5 View list
8 1100138471 Vogel, Z (Zander) 1 0.5 0 1 0 50.0 1134.4 0.0 1134.4 View list
9 1110133353 Swart, E (Eon) 1 0.0 0 0 1 0.0 1134.4 -425.0 709.4 View list
10 1110143642 Mokhele, A (Anganathi) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
11 1110143640 Madlala, B (Bonginkosi) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
12 2100111335 Macamba, L (Liso) 1 0.0 0 0 1 0.0 1134.4 -425.0 709.4 View list
13 1110099716 Maarman, B (Blayden) 1 0.0 0 0 1 0.0 1106.8 -425.0 681.8 View list
14 1100151347 Liebenberg, C (Christiaan) 1 0.0 0 0 1 0.0 1149.4 -425.0 724.4 View list
15 1110147435 Kramer, R (Ruan) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
16 1100111302 Hansen, D (Damian) 1 0.0 0 0 1 0.0 1149.4 -425.0 724.4 View list
17 1110305053 Groenewald, O (Oscar) 1 0.0 0 0 1 0.0 1106.8 -425.0 681.8 View list
18 110089015 Duminy, M (Marc) 1 0.0 0 0 1 0.0 1134.4 -425.0 709.4 View list
19 1110130188 Du Plessis, J (Jan-Dawid) 1 0.0 0 0 1 0.0 1099.5 -425.0 674.5 View list
20 1110151339 Dreyer, C (Christiano) 1 0.0 0 0 1 0.0 1149.4 -425.0 724.4 View list