Player Page

Prinsloo, A (Alexander)
Dob: 2014/11/05 (U12)
Gender: Male
Chess SA id: 1140135554
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2024/12/08 (2 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 rating1404.0
Current Weighted rating1372.1
Current Weighted performance1362.0
Current official/published rating (highest between Raw, WR and WP)1404.0
Current highest rating achieved1483.6
Current floor (min rating allowed)983.6
Current K-factor32
Games played this month5
Score (S)1.5
Expected score (We)2.03
Difference (S-We)-0.50
Current Raw change (no limits, including tournament time weight)-15.9
Current min/max change allowed (with limits)±124.0
Current Raw change used (final)-15.9
Projected new Raw rating1388.1
Projected new Weighed rating1262.0
Projected new Weighted performance1362.8
Projected new final Raw rating (if new WP > new Raw)1388.1
Projected new highest rating1483.6
Projected new floor983.6
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1388.1
Projected effective change (new Official - current Official)-15.9
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 rating1406.0
Current Weighted rating1365.0
Current Weighted performance1371.7
Current official/published rating (highest between Raw, WR and WP)1406.0
Current highest rating achieved1490.2
Current floor (min rating allowed)990.2
Current K-factor32
Games played this month5
Score (S)1.5
Expected score (We)2.05
Difference (S-We)-0.55
Current Raw change (no limits, including tournament time weight)-17.6
Current min/max change allowed (with limits)±123.6
Current Raw change used (final)-17.6
Projected new Raw rating1388.4
Projected new Weighed rating1255.4
Projected new Weighted performance1357.4
Projected new final Raw rating (if new WP > new Raw)1388.4
Projected new highest rating1490.2
Projected new floor990.2
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1388.4
Projected effective change (new Official - current Official)-17.6
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 rating864.2
Current Weighted rating789.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)864.2
Current highest rating achieved864.2
Current floor (min rating allowed)364.2
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)±267.5
Current Raw change used (final)0.0
Projected new Raw rating864.2
Projected new Weighed rating728.0
Projected new Weighted performance695.3
Projected new final Raw rating (if new WP > new Raw)864.2
Projected new highest rating864.2
Projected new floor364.2
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)864.2
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 rating647.8
Current Weighted rating647.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)647.8
Current highest rating achieved647.8
Current floor (min rating allowed)500.0
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)±364.2
Current Raw change used (final)0.0
Projected new Raw rating647.8
Projected new Weighed rating596.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating647.8
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)647.8
Projected effective change (new Official - current Official)=0.0
Tournaments
Tournament: Gauteng Inter-Region at UJ 2024 (U12 Open)
Start: 2024/12/07  End: 2024/12/08  Host: GJM  Type: Standard   Time: 90  Time weight: 0.94  Rounds: 5
Games: 5  Score: 1.5
Main rating: 1404.0  Rating gain/loss: -15.9
Type rating: 1406.0  Rating gain/loss: -17.6
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
7 Gauteng Inter-Region at UJ 2024 (U12 Open) 2024/12/07 2024/12/08 Johannesburg Metro (GJM) Standard 90 0.94 5 5 1.5 1404.0 1406.0 Analysis
6 Gauteng Top Schools 2024 (U11 Open) 2024/10/04 2024/10/04 Ekurhuleni (GE) Standard 60 0.83 5 5 3.5 1357.5 1349.0 Analysis
5 JMC Closed 2024 (C) 2024/08/09 2024/08/11 Johannesburg Metro (GJM) Standard 90 0.94 5 5 2.0 1376.8 1367.2 Analysis
4 JMC NG Weltevreden Church 2024 2024/06/29 2024/06/29 Johannesburg Metro (GJM) Rapid 15 0.39 7 7 3.0 1376.2 746.6 Analysis
3 South African Junior Closed Chess Championship 2024 (U10 Open) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 4.0 1379.4 1374.2 Analysis
2 JMC Kick Off Tournament 2024 (D) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1316.8 1300.9 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U10A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 5.0 1316.8 1300.9 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
33 Gauteng Inter-Region at UJ 2024 (U12 Open) 2024/12/07 2024/12/08 Johannesburg Metro (GJM) Standard 90 0.94 5 5 1.5 1404.0 1406.0 Analysis
32 Gauteng Top Schools 2024 (U11 Open) 2024/10/04 2024/10/04 Ekurhuleni (GE) Standard 60 0.83 5 5 3.5 1357.5 1349.0 Analysis
31 JMC Closed 2024 (C) 2024/08/09 2024/08/11 Johannesburg Metro (GJM) Standard 90 0.94 5 5 2.0 1376.8 1367.2 Analysis
30 JMC NG Weltevreden Church 2024 2024/06/29 2024/06/29 Johannesburg Metro (GJM) Rapid 15 0.39 7 7 3.0 1376.2 746.6 Analysis
29 South African Junior Closed Chess Championship 2024 (U10 Open) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 4.0 1379.4 1374.2 Analysis
28 JMC Kick Off Tournament 2024 (D) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1316.8 1300.9 Analysis
27 2024 Gauteng Inter-Region Chess Championship (U10A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 5.0 1316.8 1300.9 Analysis
26 2023 Centurion Chess Open (C) 2023/09/23 2023/09/23 Tshwane (GTP) Standard 60 0.83 5 4 0.5 1375.5 1371.3 Analysis
25 JMC Closed Aug 2023 (U10) 2023/08/04 2023/08/06 Johannesburg Metro (GJM) Standard 90 0.94 6 6 3.0 1420.9 1419.3 Analysis
24 Bojanala's FIDE in the Sparkling Waters 2023 (Junior) 2023/07/29 2023/07/29 Bojanala Platina (NBR) Standard 120 1.00 6 6 4.5 1329.1 1326.2 Analysis
23 JMC Trinity Little Falls 2023 (C) 2023/07/02 2023/07/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1329.1 1326.2 Analysis
22 Wynie Robbertse Open Tournament 2023 (C) 2023/06/03 2023/06/03 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1322.2 1316.9 Analysis
21 Gauteng Open Arnold Classic 2023 (C) 2023/05/20 2023/05/20 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1440.0 1435.5 Analysis
20 2023 Mid Gauteng Open Tournament (C) 2023/05/06 2023/05/06 Tshwane (GTP) Standard 60 0.83 5 5 0.0 1440.0 1435.5 Analysis
19 2023 South African Junior Closed Chess Championships (U10 Boys) 2023/03/31 2023/04/04 Chess South Africa (CSA) Standard 120 1.00 9 9 4.5 1460.2 1460.1 Analysis
18 JNW Open - Crawford 2023 (C) 2023/03/04 2023/03/04 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1483.6 1490.2 Analysis
17 Laerskool Constantiapark Open Chess Tournament 2023 (U10) 2023/02/18 2023/02/18 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1393.3 1388.0 Analysis
16 2023 Tshwane Chess Open Registration Tournament (C2) 2023/01/28 2023/01/28 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1374.5 1362.4 Analysis
15 2022 South African Junior Wild Card Chess Championships (U10 Open) 2022/12/09 2022/12/12 4 Knights (4K) Standard 120 1.00 7 7 4.0 1239.1 1217.7 Analysis
14 2022 South African Junior Team Chess Championships (U10 Open) 2022/12/04 2022/12/08 4 Knights (4K) Standard 120 1.00 7 7 7.0 1239.1 1217.7 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 41 19 6 16 22.0 53.7 31.1 1389.9 1421.0
White 21 9 2 10 10.0 47.6 -20.2 1433.8 1413.5
Black 20 10 4 6 12.0 60.0 85.0 1343.7 1428.7
Standard All 34 16 6 12 19.0 55.9 50.0 1374.6 1424.6
White 17 8 2 7 9.0 52.9 25.0 1384.4 1409.4
Black 17 8 4 5 10.0 58.8 75.0 1364.8 1439.8
Rapid All 7 3 0 4 3.0 42.9 -60.7 1464.1 1403.3
White 4 1 0 3 1.0 25.0 -212.5 1643.6 1431.1
Black 3 2 0 1 2.0 66.7 141.7 1224.6 1366.3
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 180 91 18 71 100.0 55.6 47.2 1278.4 1325.6
White 89 45 6 38 48.0 53.9 33.4 1282.5 1315.9
Black 91 46 12 33 52.0 57.1 60.7 1274.4 1335.1
Standard All 168 86 17 65 94.5 56.3 53.1 1270.4 1323.5
White 82 43 5 34 45.5 55.5 46.6 1263.1 1309.7
Black 86 43 12 31 49.0 57.0 59.3 1277.4 1336.7
Rapid All 12 5 1 6 5.5 45.8 -35.4 1389.9 1354.4
White 7 2 1 4 2.5 35.7 -121.4 1509.3 1387.9
Black 5 3 0 2 3.0 60.0 85.0 1222.6 1307.6
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 1140135555 Prinsloo, N (Nicholas) 5 3.0 1 4 0 60.0 1320.2 85.0 1405.2 View list
2 1140133765 Brooks, M (Michael) 3 3.0 3 0 0 100.0 1033.0 425.0 1458.0 View list
3 1130140205 Wessels, T (Theodore) 3 2.0 2 0 1 66.7 1327.0 141.7 1468.7 View list
4 1130135701 Van Loggerenberg, E (Elandre) 3 1.5 1 1 1 50.0 1343.2 0.0 1343.2 View list
5 1130141987 Mallach, D (Daniel) 3 0.5 0 1 2 16.7 1358.7 -283.3 1075.4 View list
6 1110141970 Kingsbury, J (Jack) 2 2.0 2 0 0 100.0 1291.2 425.0 1716.2 View list
7 1140138260 Ma, M (Matthew) 2 2.0 2 0 0 100.0 1211.5 425.0 1636.5 View list
8 2100108334 Du Plessis, A (Amelia) 2 1.0 1 0 1 50.0 1348.8 0.0 1348.8 View list
9 1140142002 Franklin, G (Gabriel) 2 1.0 1 0 1 50.0 1288.2 0.0 1288.2 View list
10 1140135082 Janse Van Rensburg, J (Josh) 2 1.0 1 0 1 50.0 1363.1 0.0 1363.1 View list
11 1140131552 Mbewe, L (Lumi) 2 1.0 1 0 1 50.0 1419.8 0.0 1419.8 View list
12 1110143051 Naude, J (Johan) 2 1.0 1 0 1 50.0 1407.3 0.0 1407.3 View list
13 210091697 Botha, A (Andrea) 2 0.5 0 1 1 25.0 1315.0 -212.5 1102.5 View list
14 1130135848 Magagula, N (Nkosingiphile) 2 0.5 0 1 1 25.0 1380.8 -212.5 1168.3 View list
15 1150134901 Pillay, Y (Yishai) 2 0.5 0 1 1 25.0 1302.4 -212.5 1089.9 View list
16 1140113413 Eapen, J (Johan) 2 0.0 0 0 2 0.0 1092.0 -425.0 667.0 View list
17 2140135776 Roberts, F (Frans-Leigh) 2 0.0 0 0 2 0.0 1022.4 -425.0 597.4 View list
18 1140135557 Thorulsley, K (Kairaav) 2 0.0 0 0 2 0.0 1322.1 -425.0 897.1 View list
19 1130117291 Weng, D (Daniel) 2 0.0 0 0 2 0.0 1232.6 -425.0 807.6 View list
20 1170158311 Abdul, M (Muhammed Ayaan) 1 1.0 1 0 0 100.0 1316.8 425.0 1741.8 View list