Player Page

Van Der Merwe, L (Lea)
Dob: 2016/04/29 (U10)
Gender: Female
Chess SA id: 2160301535
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2024/05/11 (45 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 rating1200.9
Current Weighted rating1199.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.9
Current highest rating achieved1200.9
Current floor (min rating allowed)700.9
Current K-factor36
Games played this month5
Score (S)2.0
Expected score (We)2.39
Difference (S-We)-0.32
Current Raw change (no limits, including tournament time weight)-11.7
Current min/max change allowed (with limits)±165.6
Current Raw change used (final)-11.7
Projected new Raw rating1189.2
Projected new Weighed rating1103.3
Projected new Weighted performance896.7
Projected new final Raw rating (if new WP > new Raw)1189.2
Projected new highest rating1200.9
Projected new floor700.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1189.2
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 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 month5
Score (S)2.0
Expected score (We)2.46
Difference (S-We)-0.46
Current Raw change (no limits, including tournament time weight)-18.4
Current min/max change allowed (with limits)±165.8
Current Raw change used (final)-18.4
Projected new Raw rating1181.6
Projected new Weighed rating1104.0
Projected new Weighted performance370.0
Projected new final Raw rating (if new WP > new Raw)1181.6
Projected new highest rating1181.6
Projected new floor681.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1181.6
Projected effective change (new Official - current Official)-18.4
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 rating1202.4
Current Weighted rating1198.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1202.4
Current highest rating achieved1202.4
Current floor (min rating allowed)702.4
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)±165.2
Current Raw change used (final)0.0
Projected new Raw rating1202.4
Projected new Weighed rating1102.8
Projected new Weighted performance710.9
Projected new final Raw rating (if new WP > new Raw)1202.4
Projected new highest rating1202.4
Projected new floor702.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1202.4
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 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
Tournament: Ekurhuleni North Primary Schools District Individual Finals 2024 (U9 Girls)
Start: 2024/05/11  End: 2024/05/11  Host: GE  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 2.0
Main rating: 1200.9  Rating gain/loss: -11.7
Type rating: 1200.0  Rating gain/loss: -18.4
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 Ekurhuleni North Primary Schools District Individual Finals 2024 (U9 Girls) 2024/05/11 2024/05/11 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1200.9 1200.0 Analysis
2 Kempton Park Cluster Teams League 2024 (U9A) 2024/04/13 2024/04/13 Ekurhuleni (GE) Rapid 30 0.60 5 4 2.5 1187.5 1178.4 Analysis
1 Kempton Park Cluster Individuals 2024 (U9 Girls) 2024/03/02 2024/03/02 Ekurhuleni (GE) Rapid 30 0.60 5 5 2.0 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 Ekurhuleni North Primary Schools District Individual Finals 2024 (U9 Girls) 2024/05/11 2024/05/11 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1200.9 1200.0 Analysis
2 Kempton Park Cluster Teams League 2024 (U9A) 2024/04/13 2024/04/13 Ekurhuleni (GE) Rapid 30 0.60 5 4 2.5 1187.5 1178.4 Analysis
1 Kempton Park Cluster Individuals 2024 (U9 Girls) 2024/03/02 2024/03/02 Ekurhuleni (GE) Rapid 30 0.60 5 5 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 14 5 3 6 6.5 46.4 -30.4 1205.5 1175.2
White 7 4 1 2 4.5 64.3 121.4 1211.2 1332.6
Black 7 1 2 4 2.0 28.6 -182.1 1199.9 1017.7
Standard All 5 1 2 2 2.0 40.0 -85.0 1212.5 1127.5
White 2 1 1 0 1.5 75.0 212.5 1231.7 1444.2
Black 3 0 1 2 0.5 16.7 -283.3 1199.7 916.3
Rapid All 9 4 1 4 4.5 50.0 0.0 1201.7 1201.7
White 5 3 0 2 3.0 60.0 85.0 1203.0 1288.0
Black 4 1 1 2 1.5 37.5 -106.3 1200.0 1093.8
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 3 6 6.5 46.4 -30.4 1205.5 1175.2
White 7 4 1 2 4.5 64.3 121.4 1211.2 1332.6
Black 7 1 2 4 2.0 28.6 -182.1 1199.9 1017.7
Standard All 5 1 2 2 2.0 40.0 -85.0 1212.5 1127.5
White 2 1 1 0 1.5 75.0 212.5 1231.7 1444.2
Black 3 0 1 2 0.5 16.7 -283.3 1199.7 916.3
Rapid All 9 4 1 4 4.5 50.0 0.0 1201.7 1201.7
White 5 3 0 2 3.0 60.0 85.0 1203.0 1288.0
Black 4 1 1 2 1.5 37.5 -106.3 1200.0 1093.8
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 2150301533 Thoobe, S (Suzan) 2 0.5 0 1 1 25.0 1200.5 -212.5 988.0 View list
2 1150301524 Smous, O (Onalexona) 1 1.0 1 0 0 100.0 1187.5 425.0 1612.5 View list
3 2160305783 Ncube, N (Nolwazi) 1 1.0 1 0 0 100.0 1200.9 425.0 1625.9 View list
4 2150301532 Roets, J (Juanne') 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1160302595 Brooks, L (Liam) 1 1.0 1 0 0 100.0 1187.5 425.0 1612.5 View list
6 2150301530 Gottsch, A (Astrid) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 2150301529 Engelbrecht, C (Chanel) 1 0.5 0 1 0 50.0 1200.9 0.0 1200.9 View list
8 1150302611 Ndhlovu, R (Rifumo) 1 0.5 0 1 0 50.0 1187.5 0.0 1187.5 View list
9 2160305787 Sibanda, T (Thandeka) 1 0.0 0 0 1 0.0 1200.9 -425.0 775.9 View list
10 2150139615 Negota, R (Rialivhuwa) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
11 2160305780 Mnisi, S (Saseka) 1 0.0 0 0 1 0.0 1200.9 -425.0 775.9 View list
12 1150302599 Delport, S (Skyla) 1 0.0 0 0 1 0.0 1187.5 -425.0 762.5 View list
13 2150301527 Arnot, J (Jewel) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list