Player Page

Retief, A (Antonie)
Dob: 2012/12/18 (U14)
Gender: Male
Chess SA id: 1120111803
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2024/08/11 (55 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 rating1464.8
Current Weighted rating1420.7
Current Weighted performance1394.7
Current official/published rating (highest between Raw, WR and WP)1464.8
Current highest rating achieved1464.8
Current floor (min rating allowed)964.8
Current K-factor32
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)±113.7
Current Raw change used (final)0.0
Projected new Raw rating1464.8
Projected new Weighed rating1309.2
Projected new Weighted performance1394.7
Projected new final Raw rating (if new WP > new Raw)1464.8
Projected new highest rating1464.8
Projected new floor964.8
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1464.8
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 rating1463.4
Current Weighted rating1423.4
Current Weighted performance1394.7
Current official/published rating (highest between Raw, WR and WP)1463.4
Current highest rating achieved1466.9
Current floor (min rating allowed)966.9
Current K-factor32
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)±113.9
Current Raw change used (final)0.0
Projected new Raw rating1463.4
Projected new Weighed rating1311.9
Projected new Weighted performance1394.7
Projected new final Raw rating (if new WP > new Raw)1463.4
Projected new highest rating1466.9
Projected new floor966.9
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1463.4
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 rating1163.6
Current Weighted rating1161.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1163.6
Current highest rating achieved1163.6
Current floor (min rating allowed)663.6
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)±174.6
Current Raw change used (final)0.0
Projected new Raw rating1163.6
Projected new Weighed rating1068.8
Projected new Weighted performance868.1
Projected new final Raw rating (if new WP > new Raw)1163.6
Projected new highest rating1163.6
Projected new floor663.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1163.6
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 rating1094.0
Current Weighted rating1101.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1101.4
Current highest rating achieved1094.0
Current floor (min rating allowed)594.0
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)±192.8
Current Raw change used (final)0.0
Projected new Raw rating1094.0
Projected new Weighed rating1011.8
Projected new Weighted performance297.9
Projected new final Raw rating (if new WP > new Raw)1094.0
Projected new highest rating1094.0
Projected new floor594.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1094.0
Projected effective change (new Official - current Official)-7.4
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
8 JMC Closed 2024 (B) 2024/08/09 2024/08/11 Johannesburg Metro (GJM) Standard 90 0.94 5 5 2.0 1464.8 1463.4 Analysis
7 JMC Trinityhouse Little Falls 2024 (B) 2024/06/02 2024/06/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 1464.0 1466.9 Analysis
6 South African Junior Closed Chess Championship 2024 (U12 Open) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 4.5 1452.2 1461.1 Analysis
5 2024 Chris Greyling Open Chess Tournament (C) 2024/03/16 2024/03/16 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1446.9 1460.5 Analysis
4 JMC Unika School Tournament 2024 (C) 2024/03/02 2024/03/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1446.9 1460.5 Analysis
3 2024 Blou Bul Open Chess Tournament (C) 2024/02/10 2024/02/10 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1446.1 1460.2 Analysis
2 JMC Kick Off Tournament 2024 (C) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 1387.9 1391.7 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U12A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 3.5 1387.9 1391.7 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
56 JMC Closed 2024 (B) 2024/08/09 2024/08/11 Johannesburg Metro (GJM) Standard 90 0.94 5 5 2.0 1464.8 1463.4 Analysis
55 JMC Trinityhouse Little Falls 2024 (B) 2024/06/02 2024/06/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 1464.0 1466.9 Analysis
54 South African Junior Closed Chess Championship 2024 (U12 Open) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 4.5 1452.2 1461.1 Analysis
53 2024 Chris Greyling Open Chess Tournament (C) 2024/03/16 2024/03/16 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1446.9 1460.5 Analysis
52 JMC Unika School Tournament 2024 (C) 2024/03/02 2024/03/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1446.9 1460.5 Analysis
51 2024 Blou Bul Open Chess Tournament (C) 2024/02/10 2024/02/10 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1446.1 1460.2 Analysis
50 JMC Kick Off Tournament 2024 (C) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.5 1387.9 1391.7 Analysis
49 2024 Gauteng Inter-Region Chess Championship (U12A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 3.5 1387.9 1391.7 Analysis
48 Africawide Chess Championship 2023 (Development B) 2023/11/04 2023/11/04 Johannesburg Metro (GJM) Standard 90 0.94 5 5 2.5 1385.5 1394.6 Analysis
47 Mzansi Bryanston Rapid 2023 (Intermediate) 2023/10/07 2023/10/07 Johannesburg Metro (GJM) Rapid 25 0.54 5 4 2.0 1389.2 1154.0 Analysis
46 JMC Closed Aug 2023 (U12) 2023/08/04 2023/08/06 Johannesburg Metro (GJM) Standard 90 0.94 6 6 5.0 1304.3 1300.7 Analysis
45 JMC Trinity Little Falls 2023 (B) 2023/07/02 2023/07/02 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.5 1324.6 1326.3 Analysis
44 Wynie Robbertse Open Tournament 2023 (B) 2023/06/03 2023/06/03 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1294.4 1291.0 Analysis
43 2023 Tshwane Chess FIDE Rated Blitz League 1 2023/05/28 2023/05/28 Tshwane (GTP) Blitz 5 0.18 9 9 3.0 1318.9 1200.0 Analysis
42 Gauteng Open Arnold Classic 2023 (C) 2023/05/20 2023/05/20 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1318.9 1301.8 Analysis
41 JNW Open - Trinityhouse Little Falls 2023 (B) 2023/05/13 2023/05/13 Johannesburg Metro (GJM) Standard 60 0.83 5 4 0.5 1318.9 1301.8 Analysis
40 2023 Mid Gauteng Open Tournament (B) 2023/05/06 2023/05/06 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1318.9 1301.8 Analysis
39 JNW Open - Crawford 2023 (B) 2023/03/04 2023/03/04 Johannesburg Metro (GJM) Standard 60 0.83 5 4 0.0 1376.9 1373.4 Analysis
38 Laerskool Constantiapark Open Chess Tournament 2023 (U12) 2023/02/18 2023/02/18 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1344.3 1331.6 Analysis
37 2023 Tshwane Chess Open Registration Tournament (B2) 2023/01/28 2023/01/28 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1387.2 1380.2 Analysis
123
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 44 19 11 14 24.5 55.7 48.3 1429.5 1477.7
White 19 7 6 6 10.0 52.6 22.4 1428.5 1450.9
Black 25 12 5 8 14.5 58.0 68.0 1430.2 1498.2
Standard All 44 19 11 14 24.5 55.7 48.3 1429.5 1477.7
White 19 7 6 6 10.0 52.6 22.4 1428.5 1450.9
Black 25 12 5 8 14.5 58.0 68.0 1430.2 1498.2
Rapid 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
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 302 139 41 122 159.5 52.8 23.9 1274.5 1298.4
White 150 75 20 55 85.0 56.7 56.7 1280.4 1337.0
Black 152 64 21 67 74.5 49.0 -8.4 1268.6 1260.2
Standard All 274 130 38 106 149.0 54.4 37.2 1273.6 1310.8
White 136 70 18 48 79.0 58.1 68.8 1276.5 1345.3
Black 138 60 20 58 70.0 50.7 6.2 1270.7 1276.9
Rapid All 19 6 3 10 7.5 39.5 -89.5 1313.4 1223.9
White 10 3 2 5 4.0 40.0 -85.0 1337.3 1252.3
Black 9 3 1 5 3.5 38.9 -94.4 1286.9 1192.4
Blitz All 9 3 0 6 3.0 33.3 -141.7 1218.3 1076.6
White 4 2 0 2 2.0 50.0 0.0 1268.6 1268.6
Black 5 1 0 4 1.0 20.0 -255.0 1178.0 923.0
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1120096779 Yang, JD (Daniel) 5 0.5 0 1 4 10.0 1230.8 -340.0 890.8 View list
2 2120111139 Maharaj, A (Aditi) 4 4.0 4 0 0 100.0 1266.9 425.0 1691.9 View list
3 2120115655 Mugaragumbo, A (Amour) 4 2.5 2 1 1 62.5 1175.3 106.3 1281.5 View list
4 2120115959 Mungal, Z (Zoey) 4 1.5 1 1 2 37.5 1169.8 -106.3 1063.5 View list
5 1120135549 Segal, J (Jamie) 4 1.0 0 2 2 25.0 1291.2 -212.5 1078.7 View list
6 1120143015 Bender, J (Jandre) 3 3.0 3 0 0 100.0 1411.0 425.0 1836.0 View list
7 1150130726 Badenhorst, D (Daniel) 3 2.0 2 0 1 66.7 1331.9 141.7 1473.6 View list
8 1140135557 Thorulsley, K (Kairaav) 3 2.0 2 0 1 66.7 1293.0 141.7 1434.6 View list
9 1130117291 Weng, D (Daniel) 3 2.0 2 0 1 66.7 1323.9 141.7 1465.6 View list
10 1110133758 Bloem, J (James) 3 2.0 1 2 0 66.7 1376.6 141.7 1518.2 View list
11 2090108309 Maharaj, A (Anaamika) 3 1.0 1 0 2 33.3 1333.6 -141.7 1191.9 View list
12 2120103104 Zulu, T (Thandoluhle) 3 1.0 1 0 2 33.3 1261.6 -141.7 1120.0 View list
13 1100113805 Bijker, W (Waldo) 3 0.5 0 1 2 16.7 1432.9 -283.3 1149.6 View list
14 2120109902 Suresh, A (Aaradhya) 3 0.5 0 1 2 16.7 1258.8 -283.3 975.5 View list
15 211085191 Naidoo, K (Kajol) 3 0.0 0 0 3 0.0 1289.4 -425.0 864.4 View list
16 1120119998 Horne, K (Kian Louis) 2 2.0 2 0 0 100.0 1264.8 425.0 1689.8 View list
17 1150134895 Joubert, J (Joshua) 2 2.0 2 0 0 100.0 1362.5 425.0 1787.5 View list
18 2110141968 Kingsbury, G (Gabriella) 2 2.0 2 0 0 100.0 1295.3 425.0 1720.3 View list
19 2130107813 Labuschagne, A (Anandi) 2 2.0 2 0 0 100.0 1141.5 425.0 1566.5 View list
20 1130108313 Moolman, N (Niel) 2 2.0 2 0 0 100.0 1141.5 425.0 1566.5 View list