Player Page

Pretorius, A (Andrei)
Dob: 2009/02/02 (U16)
Gender: Female
Chess SA id: 2090155403
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2024/08/17 (99 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 rating1329.0
Current Weighted rating1273.4
Current Weighted performance1276.4
Current official/published rating (highest between Raw, WR and WP)1329.0
Current highest rating achieved1332.0
Current floor (min rating allowed)832.0
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)±138.0
Current Raw change used (final)0.0
Projected new Raw rating1329.0
Projected new Weighed rating1173.7
Projected new Weighted performance1276.4
Projected new final Raw rating (if new WP > new Raw)1329.0
Projected new highest rating1332.0
Projected new floor832.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1329.0
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 rating1316.9
Current Weighted rating1270.3
Current Weighted performance1273.4
Current official/published rating (highest between Raw, WR and WP)1316.9
Current highest rating achieved1319.8
Current floor (min rating allowed)819.8
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)±140.4
Current Raw change used (final)0.0
Projected new Raw rating1316.9
Projected new Weighed rating1170.7
Projected new Weighted performance1273.4
Projected new final Raw rating (if new WP > new Raw)1316.9
Projected new highest rating1319.8
Projected new floor819.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1316.9
Projected effective change (new Official - current Official)=0.0
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 rating1171.9
Current Weighted rating1167.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1171.9
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)±172.6
Current Raw change used (final)0.0
Projected new Raw rating1171.9
Projected new Weighed rating1073.1
Projected new Weighted performance902.8
Projected new final Raw rating (if new WP > new Raw)1171.9
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)1171.9
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 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
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
5 Gauteng Schools Individuals Finals 2024 (U15 Girls) 2024/08/17 2024/08/17 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1332.0 1319.8 Analysis
4 JMC NG Weltevreden Church 2024 2024/06/29 2024/06/29 Johannesburg Metro (GJM) Rapid 15 0.39 7 7 3.0 1329.2 1151.4 Analysis
3 1st Knights Open Tournament 2024 (C) 2024/03/23 2024/03/23 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1227.5 1242.8 Analysis
2 JNW Open - Classic - Crawford 2024 (C) 2024/03/09 2024/03/09 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 1227.5 1242.8 Analysis
1 Grey College Team Championship 2024 (B) 2024/02/23 2024/02/24 Mangaung (FMB) Standard 60 0.83 5 4 2.5 1195.2 1208.6 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
9 Gauteng Schools Individuals Finals 2024 (U15 Girls) 2024/08/17 2024/08/17 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1332.0 1319.8 Analysis
8 JMC NG Weltevreden Church 2024 2024/06/29 2024/06/29 Johannesburg Metro (GJM) Rapid 15 0.39 7 7 3.0 1329.2 1151.4 Analysis
7 1st Knights Open Tournament 2024 (C) 2024/03/23 2024/03/23 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1227.5 1242.8 Analysis
6 JNW Open - Classic - Crawford 2024 (C) 2024/03/09 2024/03/09 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 1227.5 1242.8 Analysis
5 Grey College Team Championship 2024 (B) 2024/02/23 2024/02/24 Mangaung (FMB) Standard 60 0.83 5 4 2.5 1195.2 1208.6 Analysis
4 Chess is My Lifestyle 2023 (High School Girls) 2023/12/09 2023/12/09 Johannesburg Metro (GJM) Rapid 30 0.60 5 5 2.0 1206.2 1160.8 Analysis
3 Gauteng Soncini Finals 2023 (Girls) 2023/10/28 2023/10/28 Ekurhuleni (GE) Rapid 20 0.47 5 5 2.0 1208.7 1200.0 Analysis
2 Mzansi Spring Rapid 2023 2023/09/02 2023/09/02 Johannesburg Metro (GJM) Rapid 15 0.39 7 0 0.0 1208.7 1200.0 Analysis
1 Gauteng Schools Individual Finals 2023 (U15 Girls) 2023/05/27 2023/05/27 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 26 15 1 10 15.5 59.6 81.7 1312.2 1394.0
White 14 10 0 4 10.0 71.4 182.1 1287.3 1469.5
Black 12 5 1 6 5.5 45.8 -35.4 1341.3 1305.9
Standard All 19 12 1 6 12.5 65.8 134.2 1265.6 1399.8
White 11 8 0 3 8.0 72.7 193.2 1284.5 1477.7
Black 8 4 1 3 4.5 56.3 53.1 1239.5 1292.6
Rapid All 7 3 0 4 3.0 42.9 -60.7 1438.9 1378.2
White 3 2 0 1 2.0 66.7 141.7 1297.5 1439.2
Black 4 1 0 3 1.0 25.0 -212.5 1544.9 1332.4
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 41 22 1 18 22.5 54.9 41.5 1276.2 1317.7
White 22 15 0 7 15.0 68.2 154.5 1266.6 1421.1
Black 19 7 1 11 7.5 39.5 -89.5 1287.4 1197.9
Standard All 24 15 1 8 15.5 64.6 124.0 1245.8 1369.8
White 14 9 0 5 9.0 64.3 121.4 1260.6 1382.0
Black 10 6 1 3 6.5 65.0 127.5 1225.1 1352.6
Rapid All 17 7 0 10 7.0 41.2 -75.0 1319.2 1244.2
White 8 6 0 2 6.0 75.0 212.5 1277.0 1489.5
Black 9 1 0 8 1.0 11.1 -330.6 1356.6 1026.0
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 2090162460 Karuppan, Z (Zebada) 1 1.0 1 0 0 100.0 1208.7 425.0 1633.7 View list
2 2080143463 Jovo, M (Makanaka) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 1080192078 Kreusch, O (Oscar) 1 1.0 1 0 0 100.0 1227.5 425.0 1652.5 View list
4 1120103546 Lochner, C (Christiaan) 1 1.0 1 0 0 100.0 1227.5 425.0 1652.5 View list
5 2110305173 Ledwaba, T (Thoriso) 1 1.0 1 0 0 100.0 1329.2 425.0 1754.2 View list
6 2090310562 Brits, L (Line') 1 1.0 1 0 0 100.0 1332.0 425.0 1757.0 View list
7 210091697 Botha, A (Andrea) 1 1.0 1 0 0 100.0 1227.5 425.0 1652.5 View list
8 1100191976 Bissett, C (Colin) 1 1.0 1 0 0 100.0 1227.5 425.0 1652.5 View list
9 2090143382 Fomene, M (Masego) 1 1.0 1 0 0 100.0 1332.0 425.0 1757.0 View list
10 1010305842 Du Preez, K (Kian) 1 1.0 1 0 0 100.0 1329.2 425.0 1754.2 View list
11 1080111620 Cooper, H (Hayden) 1 1.0 1 0 0 100.0 1195.2 425.0 1620.2 View list
12 1100191346 Magwambe, R (Rejoyce) 1 1.0 1 0 0 100.0 1206.2 425.0 1631.2 View list
13 2090155390 Mashego, J (Jamile) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
14 1100160163 Mitchell, T (Thomas) 1 1.0 1 0 0 100.0 1195.2 425.0 1620.2 View list
15 2110141975 Mlilo, S (Sibongisiwe) 1 1.0 1 0 0 100.0 1227.5 425.0 1652.5 View list
16 2160300403 Morgan, R (Raegan) 1 1.0 1 0 0 100.0 1329.2 425.0 1754.2 View list
17 1130301072 Mtshweni, L (Lungelo) 1 1.0 1 0 0 100.0 1227.5 425.0 1652.5 View list
18 2100145854 Ntshangase, S (Samkelisiwe Monica) 1 1.0 1 0 0 100.0 1332.0 425.0 1757.0 View list
19 1070191347 Obioha, C (Chiwendu) 1 1.0 1 0 0 100.0 1206.2 425.0 1631.2 View list
20 2090112559 Shiba, C (Crestina) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list