Player Page

Van Der Merwe, Z (Zoe)
Dob: 2012/04/18 (U14)
Gender: Female
Chess SA id: 2120149769
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2024/06/08 (16 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 rating1208.3
Current Weighted rating1206.1
Current Weighted performance1094.8
Current official/published rating (highest between Raw, WR and WP)1208.3
Current highest rating achieved1217.9
Current floor (min rating allowed)717.9
Current K-factor36
Games played this month6
Score (S)5.5
Expected score (We)3.18
Difference (S-We)1.53
Current Raw change (no limits, including tournament time weight)55.1
Current min/max change allowed (with limits)±163.9
Current Raw change used (final)55.1
Projected new Raw rating1263.4
Projected new Weighed rating1109.8
Projected new Weighted performance1226.5
Projected new final Raw rating (if new WP > new Raw)1263.4
Projected new highest rating1263.4
Projected new floor763.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1263.4
Projected effective change (new Official - current Official)+55.1
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 rating1212.1
Current Weighted rating1214.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1214.8
Current highest rating achieved1221.1
Current floor (min rating allowed)721.1
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)±163.0
Current Raw change used (final)0.0
Projected new Raw rating1212.1
Projected new Weighed rating1118.0
Projected new Weighted performance988.2
Projected new final Raw rating (if new WP > new Raw)1212.1
Projected new highest rating1221.1
Projected new floor721.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1212.1
Projected effective change (new Official - current Official)-2.7
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 rating1200.4
Current Weighted rating1194.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.4
Current highest rating achieved1200.4
Current floor (min rating allowed)700.4
Current K-factor36
Games played this month6
Score (S)5.5
Expected score (We)3.08
Difference (S-We)2.42
Current Raw change (no limits, including tournament time weight)87.1
Current min/max change allowed (with limits)±165.7
Current Raw change used (final)87.1
Projected new Raw rating1287.5
Projected new Weighed rating1098.7
Projected new Weighted performance833.0
Projected new final Raw rating (if new WP > new Raw)1287.5
Projected new highest rating1287.5
Projected new floor787.5
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1287.5
Projected effective change (new Official - current Official)+87.1
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 Girls)
Start: 2024/06/08  End: 2024/06/08  Host: WOS  Type: Rapid   Time: 35  Time weight: 0.66  Rounds: 6
Games: 6  Score: 5.5
Main rating: 1208.3  Rating gain/loss: 55.1
Type rating: 1200.4  Rating gain/loss: 87.1
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 Western Cape - Brian Raubenheimer Development Tournament 2024 (U13 Girls) 2024/06/08 2024/06/08 Overberg (WOS) Rapid 35 0.66 6 6 5.5 1208.3 1200.4 Analysis
2 Cape Winelands Schools - Prestige 2024 (U13 Girls) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 2.0 1217.9 1221.1 Analysis
1 Cape Winelands Schools - PS Trials 1 2024 (U13 Girls) 2024/02/10 2024/02/10 Cape Winelands (WCW) Rapid 35 0.66 6 6 3.0 1204.4 1185.6 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
7 Western Cape - Brian Raubenheimer Development Tournament 2024 (U13 Girls) 2024/06/08 2024/06/08 Overberg (WOS) Rapid 35 0.66 6 6 5.5 1208.3 1200.4 Analysis
6 Cape Winelands Schools - Prestige 2024 (U13 Girls) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 2.0 1217.9 1221.1 Analysis
5 Cape Winelands Schools - PS Trials 1 2024 (U13 Girls) 2024/02/10 2024/02/10 Cape Winelands (WCW) Rapid 35 0.66 6 6 3.0 1204.4 1185.6 Analysis
4 CW Top Schools 2023 (U13 Mix + U13 Girls) 2023/08/26 2023/08/26 Cape Winelands (WCW) Rapid 32 0.63 5 1 0.0 1213.0 1200.0 Analysis
3 Western Cape PS Individuals 2023 (U11 Girls) 2023/05/05 2023/05/06 Cape Town (WCT) Standard 60 0.83 6 6 3.0 1203.4 1205.6 Analysis
2 Cape Winelands Schools Prestige 2023 (U11 Girls) 2023/03/11 2023/03/11 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1178.8 1174.8 Analysis
1 Cape Winelands Schools Chess - Trials 1 2023 (U11 Girls) 2023/02/18 2023/02/18 Cape Winelands (WCW) Standard 60 0.83 5 3 1.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 17 10 1 6 10.5 61.8 100.0 1232.3 1332.3
White 7 4 0 3 4.0 57.1 60.7 1260.6 1321.3
Black 10 6 1 3 6.5 65.0 127.5 1212.5 1340.0
Standard All 5 2 0 3 2.0 40.0 -85.0 1243.6 1158.6
White 2 0 0 2 0.0 0.0 -425.0 1351.6 926.6
Black 3 2 0 1 2.0 66.7 141.7 1171.6 1313.3
Rapid All 12 8 1 3 8.5 70.8 177.1 1227.5 1404.6
White 5 4 0 1 4.0 80.0 255.0 1224.2 1479.2
Black 7 4 1 2 4.5 64.3 121.4 1229.9 1351.4
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 32 17 1 14 17.5 54.7 39.8 1227.6 1267.4
White 14 7 0 7 7.0 50.0 0.0 1238.0 1238.0
Black 18 10 1 7 10.5 58.3 70.8 1219.5 1290.3
Standard All 19 9 0 10 9.0 47.4 -22.4 1225.0 1202.7
White 9 3 0 6 3.0 33.3 -141.7 1245.7 1104.0
Black 10 6 0 4 6.0 60.0 85.0 1206.4 1291.4
Rapid All 13 8 1 4 8.5 65.4 130.8 1231.4 1362.1
White 5 4 0 1 4.0 80.0 255.0 1224.2 1479.2
Black 8 4 1 3 4.5 56.3 53.1 1235.9 1289.0
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 2130139491 Smith, N (Nehe-Mia) 2 2.0 2 0 0 100.0 1191.1 425.0 1616.1 View list
2 2110156939 October, A (Azraa) 2 2.0 2 0 0 100.0 1211.2 425.0 1636.2 View list
3 2130137564 Coetzee, E (Emma) 2 1.0 1 0 1 50.0 1189.4 0.0 1189.4 View list
4 2130139492 Van Der Westhuizen, L (Linli) 2 1.0 1 0 1 50.0 1189.4 0.0 1189.4 View list
5 2110131798 April, T (Tamlin) 2 0.0 0 0 2 0.0 1211.2 -425.0 786.2 View list
6 2120112287 Lukas, J (Janeva) 2 0.0 0 0 2 0.0 1191.6 -425.0 766.6 View list
7 2110104286 Viljoen, L (Lienka) 2 0.0 0 0 2 0.0 1211.2 -425.0 786.2 View list
8 2120192849 Farmer, L (Linnique) 1 1.0 1 0 0 100.0 1204.4 425.0 1629.4 View list
9 2120145243 Rubusana, L (Lolothando) 1 1.0 1 0 0 100.0 1203.4 425.0 1628.4 View list
10 2110140075 Rooi, C (Chantelle) 1 1.0 1 0 0 100.0 1208.3 425.0 1633.3 View list
11 2120192856 September, M (Morgan) 1 1.0 1 0 0 100.0 1217.9 425.0 1642.9 View list
12 2120146574 Krynauw, E (Elana) 1 1.0 1 0 0 100.0 1208.3 425.0 1633.3 View list
13 2120139053 Kruger, J (Jamie) 1 1.0 1 0 0 100.0 1203.4 425.0 1628.4 View list
14 2110146209 Klopper, M (Marli) 1 1.0 1 0 0 100.0 1208.3 425.0 1633.3 View list
15 2120147460 Kennedy, L (Leah) 1 1.0 1 0 0 100.0 1178.8 425.0 1603.8 View list
16 2120136561 Jama, L (Lutho) 1 1.0 1 0 0 100.0 1208.3 425.0 1633.3 View list
17 1120192540 Van Schalkwyk, J (Jayme-Lee) 1 1.0 1 0 0 100.0 1208.3 425.0 1633.3 View list
18 2120192858 Van Tonder, M (Mieke) 1 1.0 1 0 0 100.0 1204.4 425.0 1629.4 View list
19 2110193092 Greyling, L (Liane) 1 0.5 0 1 0 50.0 1208.3 0.0 1208.3 View list
20 2120109829 Van De Vyver, M (Mia) 1 0.0 0 0 1 0.0 1217.9 -425.0 792.9 View list