Player Page

Van Der Merwe, L (Luwan Louis)
Dob: 2013/10/16 (U12)
Gender: Male
Chess SA id: 1130143711
FIDE id:
Region: Bojanala Platina (NBR)
Citizen: RSA
Title(s):
Last active: 2023/08/19 (273 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 rating1170.2
Curent Weighted rating1171.9
Curent Weighted performance972.9
Current official/published rating (highest between Raw, WR and WP)1171.9
Current floor (min rating allowed)700.2
Current highest rating achieved1200.2
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)±173.0
Current Raw change used (final)0.0
Projected new Raw rating1170.2
Projected new Weighed rating1171.3
Projected new Weighted performance972.9
Projected new official/published rating (highest between new Raw, new WR and new WP)1171.3
Projected effective change (new Official - current Official)-0.6
Projected new highest rating1200.2
Projected new floor700.2
Projected new K-facor36
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 rating1148.3
Curent Weighted rating1156.2
Curent Weighted performance926.9
Current official/published rating (highest between Raw, WR and WP)1156.2
Current floor (min rating allowed)700.8
Current highest rating achieved1200.8
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)±178.5
Current Raw change used (final)0.0
Projected new Raw rating1148.3
Projected new Weighed rating1154.7
Projected new Weighted performance926.9
Projected new official/published rating (highest between new Raw, new WR and new WP)1154.7
Projected effective change (new Official - current Official)-1.5
Projected new highest rating1200.8
Projected new floor700.8
Projected new K-facor36
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 rating1219.6
Curent Weighted rating1212.7
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1219.6
Current floor (min rating allowed)719.6
Current highest rating achieved1219.6
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)±161.2
Current Raw change used (final)0.0
Projected new Raw rating1219.6
Projected new Weighed rating1213.7
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1219.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1219.6
Projected new floor719.6
Projected new K-facor36
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)719.6
Current highest rating achieved1200.0
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 rating1200.0
Projected new Weighted performance
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
Projected new highest rating1200.0
Projected new floor719.6
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
7 Bojanala School League 2023 (U11) 2023/08/19 2023/08/19 Bojanala Platina (NBR) Rapid 40 0.70 5 5 3.0 1155.8 1200.0 Analysis
6 Grenswag's Community Battle 2023 (Knights) 2023/04/22 2023/04/22 Bojanala Platina (NBR) Standard 60 0.83 5 4 1.0 1187.2 1185.7 Analysis
5 One For The Ages 2023 (U12) 2023/02/18 2023/02/18 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.5 1182.7 1179.6 Analysis
4 Harties Wolf Pack 2023 (Knights) 2023/01/21 2023/01/21 Bojanala Platina (NBR) Standard 62 0.84 5 5 2.0 1200.2 1200.8 Analysis
3 Bojanala Chess Federation Wildcards 2022 (U10) 2022/08/20 2022/08/20 Bojanala Platina (NBR) Standard 62 0.84 5 5 3.0 1180.4 1175.2 Analysis
2 Bojanala Chess Federation Clash of Schools 2022 (PS Juniors) 2022/07/23 2022/07/23 Bojanala Platina (NBR) Standard 60 0.83 4 4 2.0 1200.0 1200.0 Analysis
1 One For The Ages 2022 (U10) 2022/07/16 2022/07/16 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.5 1200.0 1200.0 Analysis
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 33 14 4 15 16.0 48.5 -12.9 1176.2 1163.3
White 17 7 3 7 8.5 50.0 0.0 1171.2 1171.2
Black 16 7 1 8 7.5 46.9 -26.6 1181.6 1155.0
Standard All 28 11 4 13 13.0 46.4 -30.4 1179.2 1148.8
White 15 6 3 6 7.5 50.0 0.0 1170.8 1170.8
Black 13 5 1 7 5.5 42.3 -65.4 1188.8 1123.4
Rapid All 5 3 0 2 3.0 60.0 85.0 1159.7 1244.7
White 2 1 0 1 1.0 50.0 0.0 1173.7 1173.7
Black 3 2 0 1 2.0 66.7 141.7 1150.3 1292.0
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1110149545 Pretorius, B (Barend) 2 0.5 0 1 1 25.0 1185.0 -212.5 972.5 View list
2 1120099318 Weber, U (Ulrich) 2 0.0 0 0 2 0.0 1169.3 -425.0 744.3 View list
3 2130141557 Coetsee, J (Jachelle) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 1130141731 Netangaheni, N (Ndiene) 1 1.0 1 0 0 100.0 1182.7 425.0 1607.7 View list
5 1120132782 Oosthuizen, A (Almero) 1 1.0 1 0 0 100.0 1155.8 425.0 1580.8 View list
6 2080140349 Oberholzer, V (Valene) 1 1.0 1 0 0 100.0 1187.2 425.0 1612.2 View list
7 1040148728 Motlhoki, O (Oreneile) 1 1.0 1 0 0 100.0 1200.2 425.0 1625.2 View list
8 2150144270 Hough, E (Elshane) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
9 1140133834 Molefinyane, O (Opelong) 1 1.0 1 0 0 100.0 1180.4 425.0 1605.4 View list
10 1140145148 Mokoena, B (Bontle) 1 1.0 1 0 0 100.0 1180.4 425.0 1605.4 View list
11 1140134774 Maphoso, T (Tshiriletso) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
12 2060148736 Ramothwala, T (Tiisetso) 1 1.0 1 0 0 100.0 1200.2 425.0 1625.2 View list
13 2120144290 Randa, B (Bonolo) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
14 1120099321 Sibiya, K (Khayalethu) 1 1.0 1 0 0 100.0 1155.8 425.0 1580.8 View list
15 1110144165 Tyobeka, N (Nceba) 1 1.0 1 0 0 100.0 1155.8 425.0 1580.8 View list
16 1130149549 Udeh, P (Patrick) 1 1.0 1 0 0 100.0 1182.7 425.0 1607.7 View list
17 2130141725 Makgetla, K (Keaoleboga) 1 0.5 0 1 0 50.0 1180.4 0.0 1180.4 View list
18 2140144136 Machine, K (Khurezi) 1 0.5 0 1 0 50.0 1180.4 0.0 1180.4 View list
19 1130140061 Hannemann, M (Mikayla) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
20 1050136389 Murwira, D (Denzel) 1 0.0 0 0 1 0.0 1187.2 -425.0 762.2 View list