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: 2024/03/16 (44 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
Curent Raw rating1452.2
Curent Weighted rating1375.4
Curent Weighted performance1418.8
Current official/published rating (highest between Raw, WR and WP)1452.2
Current floor (min rating allowed)952.2
Current highest rating achieved1452.2
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)±115.8
Current Raw change used (final)0.0
Projected new Raw rating1452.2
Projected new Weighed rating1383.7
Projected new Weighted performance1418.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1452.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1452.2
Projected new floor952.2
Projected new K-facor32
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
Curent Raw rating1461.1
Curent Weighted rating1377.2
Curent Weighted performance1421.1
Current official/published rating (highest between Raw, WR and WP)1461.1
Current floor (min rating allowed)961.1
Current highest rating achieved1461.1
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)±114.3
Current Raw change used (final)0.0
Projected new Raw rating1461.1
Projected new Weighed rating1386.4
Projected new Weighted performance1421.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1461.1
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1461.1
Projected new floor961.1
Projected new K-facor32
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
Curent Raw rating1163.6
Curent Weighted rating1157.8
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1163.6
Current floor (min rating allowed)663.6
Current highest rating achieved1163.6
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 rating1158.6
Projected new Weighted performance0.0
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
Projected new highest rating1163.6
Projected new floor663.6
Projected new K-facor40
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
Curent Raw rating1094.0
Curent Weighted rating1121.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1121.6
Current floor (min rating allowed)663.6
Current highest rating achieved1094.0
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 rating1117.3
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1117.3
Projected effective change (new Official - current Official)-4.2
Projected new highest rating1094.0
Projected new floor663.6
Projected new K-facor40
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
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
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
36 Harties Wolf Pack 2023 (Rooks) 2023/01/21 2023/01/21 Bojanala Platina (NBR) Standard 62 0.84 5 5 3.0 1387.2 1380.2 Analysis
35 2022 South African Junior Team Chess Championships (U12 Open) 2022/12/04 2022/12/08 4 Knights (4K) Standard 120 1.00 7 7 6.0 1322.8 1319.7 Analysis
34 CPH Chess Clubs Challenge 2022 (Primary Schools) 2022/11/12 2022/11/12 Johannesburg Metro (GJM) Rapid 20 0.47 6 5 2.5 1281.9 1141.6 Analysis
123
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 25 12 7 6 15.5 62.0 102.0 1380.2 1482.2
White 10 2 4 4 4.0 40.0 -85.0 1393.8 1308.8
Black 15 10 3 2 11.5 76.7 226.7 1371.1 1597.7
Standard All 25 12 7 6 15.5 62.0 102.0 1380.2 1482.2
White 10 2 4 4 4.0 40.0 -85.0 1393.8 1308.8
Black 15 10 3 2 11.5 76.7 226.7 1371.1 1597.7
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 283 132 37 114 150.5 53.2 27.0 1259.7 1286.7
White 141 70 18 53 79.0 56.0 51.2 1268.5 1319.7
Black 142 62 19 61 71.5 50.4 3.0 1251.0 1254.0
Standard All 255 123 34 98 140.0 54.9 41.7 1257.2 1298.8
White 127 65 16 46 73.0 57.5 63.6 1263.0 1326.6
Black 128 58 18 52 67.0 52.3 19.9 1251.3 1271.3
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 1150130726 Badenhorst, D (Daniel) 3 2.0 2 0 1 66.7 1331.9 141.7 1473.6 View list
7 1140135557 Thorulsley, K (Kairaav) 3 2.0 2 0 1 66.7 1293.0 141.7 1434.6 View list
8 1130117291 Weng, D (Daniel) 3 2.0 2 0 1 66.7 1323.9 141.7 1465.6 View list
9 1110133758 Bloem, J (James) 3 2.0 1 2 0 66.7 1376.6 141.7 1518.2 View list
10 2090108309 Maharaj, A (Anaamika) 3 1.0 1 0 2 33.3 1333.6 -141.7 1191.9 View list
11 2120103104 Zulu, T (Thandoluhle) 3 1.0 1 0 2 33.3 1261.6 -141.7 1120.0 View list
12 2120109902 Suresh, A (Aaradhya) 3 0.5 0 1 2 16.7 1258.8 -283.3 975.5 View list
13 211085191 Naidoo, K (Kajol) 3 0.0 0 0 3 0.0 1289.4 -425.0 864.4 View list
14 1120119998 Horne, K (Kian Louis) 2 2.0 2 0 0 100.0 1264.8 425.0 1689.8 View list
15 1150134895 Joubert, J (Joshua) 2 2.0 2 0 0 100.0 1362.5 425.0 1787.5 View list
16 2110141968 Kingsbury, G (Gabriella) 2 2.0 2 0 0 100.0 1295.3 425.0 1720.3 View list
17 2130107813 Labuschagne, A (Anandi) 2 2.0 2 0 0 100.0 1141.5 425.0 1566.5 View list
18 1130108313 Moolman, N (Niel) 2 2.0 2 0 0 100.0 1141.5 425.0 1566.5 View list
19 2130130731 Papanicolaou, M (Mila) 2 2.0 2 0 0 100.0 1280.4 425.0 1705.4 View list
20 1120110078 Pretorius, C (Christiaan) 2 2.0 2 0 0 100.0 1136.5 425.0 1561.5 View list