Player Page

Van Der Westhuizen, L (Lauren)
Dob: 2009/09/12 (U16)
Gender: Female
Chess SA id: 2090192709
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2024/05/19 (58 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 rating1179.8
Current Weighted rating1191.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1191.2
Current highest rating achieved1179.8
Current floor (min rating allowed)679.8
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)±170.7
Current Raw change used (final)0.0
Projected new Raw rating1179.8
Projected new Weighed rating1095.6
Projected new Weighted performance862.4
Projected new final Raw rating (if new WP > new Raw)1179.8
Projected new highest rating1179.8
Projected new floor679.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1179.8
Projected effective change (new Official - current Official)-11.4
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 rating1189.6
Current Weighted rating1198.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1198.4
Current highest rating achieved1189.6
Current floor (min rating allowed)689.6
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)±168.3
Current Raw change used (final)0.0
Projected new Raw rating1189.6
Projected new Weighed rating1102.4
Projected new Weighted performance384.0
Projected new final Raw rating (if new WP > new Raw)1189.6
Projected new highest rating1189.6
Projected new floor689.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1189.6
Projected effective change (new Official - current Official)-8.8
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 rating1174.8
Current Weighted rating1187.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1187.1
Current highest rating achieved1174.8
Current floor (min rating allowed)674.8
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)±171.9
Current Raw change used (final)0.0
Projected new Raw rating1174.8
Projected new Weighed rating1091.7
Projected new Weighted performance644.6
Projected new final Raw rating (if new WP > new Raw)1174.8
Projected new highest rating1174.8
Projected new floor674.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1174.8
Projected effective change (new Official - current Official)-12.3
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 achieved0.0
Current floor (min rating allowed)700.0
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)±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 rating0.0
Projected new floor700.0
Projected new K-facor40
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
3 West Coast & Mykonos Open 2024 (Open) 2024/05/17 2024/05/19 West Coast (WCU) Standard 90 0.94 6 6 2.0 1173.1 1200.0 Analysis
2 Lower West Top Schools 2024 (U18) 2024/05/11 2024/05/11 West Coast (WCU) Rapid 30 0.60 5 4 2.0 1173.1 1157.2 Analysis
1 Lower West Coast Schools Chess Prestige 2024 (U15 Girls) 2024/02/17 2024/02/17 West Coast (WCU) Rapid 30 0.60 5 4 1.0 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 West Coast & Mykonos Open 2024 (Open) 2024/05/17 2024/05/19 West Coast (WCU) Standard 90 0.94 6 6 2.0 1173.1 1200.0 Analysis
2 Lower West Top Schools 2024 (U18) 2024/05/11 2024/05/11 West Coast (WCU) Rapid 30 0.60 5 4 2.0 1173.1 1157.2 Analysis
1 Lower West Coast Schools Chess Prestige 2024 (U15 Girls) 2024/02/17 2024/02/17 West Coast (WCU) Rapid 30 0.60 5 4 1.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 14 5 0 9 5.0 35.7 -121.4 1251.9 1130.4
White 7 2 0 5 2.0 28.6 -182.1 1266.8 1084.7
Black 7 3 0 4 3.0 42.9 -60.7 1236.9 1176.2
Standard All 6 2 0 4 2.0 33.3 -141.7 1317.1 1175.4
White 3 1 0 2 1.0 33.3 -141.7 1328.6 1187.0
Black 3 1 0 2 1.0 33.3 -141.7 1305.5 1163.8
Rapid All 8 3 0 5 3.0 37.5 -106.3 1203.0 1096.7
White 4 1 0 3 1.0 25.0 -212.5 1220.4 1007.9
Black 4 2 0 2 2.0 50.0 0.0 1185.5 1185.5
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
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 14 5 0 9 5.0 35.7 -121.4 1251.9 1130.4
White 7 2 0 5 2.0 28.6 -182.1 1266.8 1084.7
Black 7 3 0 4 3.0 42.9 -60.7 1236.9 1176.2
Standard All 6 2 0 4 2.0 33.3 -141.7 1317.1 1175.4
White 3 1 0 2 1.0 33.3 -141.7 1328.6 1187.0
Black 3 1 0 2 1.0 33.3 -141.7 1305.5 1163.8
Rapid All 8 3 0 5 3.0 37.5 -106.3 1203.0 1096.7
White 4 1 0 3 1.0 25.0 -212.5 1220.4 1007.9
Black 4 2 0 2 2.0 50.0 0.0 1185.5 1185.5
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 2110159903 Siebritz, N (Noelle) 1 1.0 1 0 0 100.0 1173.1 425.0 1598.1 View list
2 2100156870 Scholtz, J (Jodine) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 1070304916 Salomo, C (Cohen) 1 1.0 1 0 0 100.0 1173.1 425.0 1598.1 View list
4 1090304915 Oewies, J (Jowan) 1 1.0 1 0 0 100.0 1173.1 425.0 1598.1 View list
5 1080192714 Dietrich, S (Shamiel) 1 1.0 1 0 0 100.0 1173.1 425.0 1598.1 View list
6 1100151509 Zogo, C (Credo) 1 0.0 0 0 1 0.0 1173.1 -425.0 748.1 View list
7 109090543 Visagie, C (Christopher) 1 0.0 0 0 1 0.0 1173.1 -425.0 748.1 View list
8 208078559 Van Zyl, M (Mea) 1 0.0 0 0 1 0.0 1173.1 -425.0 748.1 View list
9 1100304919 Spoelstra, R (Robey) 1 0.0 0 0 1 0.0 1173.1 -425.0 748.1 View list
10 2100159901 Matthews, K (Kaylee) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
11 2100192706 Kriek, K (Kari) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
12 1120139044 Koopman, V (Virat) 1 0.0 0 0 1 0.0 1173.1 -425.0 748.1 View list
13 209077302 Ellman, E (Elle-Marie) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
14 109093484 Duiker, P (Phillip) 1 0.0 0 0 1 0.0 1173.1 -425.0 748.1 View list