Player Page

Greeff, A (Andries)
Dob: 2010/10/01 (U16)
Gender: Male
Chess SA id: 1100098187
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2023/05/12 (368 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 rating1501.9
Curent Weighted rating1505.0
Curent Weighted performance1270.3
Current official/published rating (highest between Raw, WR and WP)1505.0
Current floor (min rating allowed)1033.2
Current highest rating achieved1533.2
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)±107.9
Current Raw change used (final)0.0
Projected new Raw rating1501.9
Projected new Weighed rating1504.9
Projected new Weighted performance1270.3
Projected new official/published rating (highest between new Raw, new WR and new WP)1504.9
Projected effective change (new Official - current Official)-0.1
Projected new highest rating1533.2
Projected new floor1033.2
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 rating1498.0
Curent Weighted rating1503.9
Curent Weighted performance1265.9
Current official/published rating (highest between Raw, WR and WP)1503.9
Current floor (min rating allowed)1037.7
Current highest rating achieved1537.7
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)±108.5
Current Raw change used (final)0.0
Projected new Raw rating1498.0
Projected new Weighed rating1503.0
Projected new Weighted performance1265.9
Projected new official/published rating (highest between new Raw, new WR and new WP)1503.0
Projected effective change (new Official - current Official)-0.9
Projected new highest rating1537.7
Projected new floor1037.7
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 rating1213.3
Curent Weighted rating1166.1
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1213.3
Current floor (min rating allowed)713.3
Current highest rating achieved1213.3
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)±162.7
Current Raw change used (final)0.0
Projected new Raw rating1213.3
Projected new Weighed rating1170.8
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1213.3
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1213.3
Projected new floor713.3
Projected new K-facor36
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 rating1231.2
Curent Weighted rating1231.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1231.2
Current floor (min rating allowed)713.3
Current highest rating achieved1231.2
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)±158.6
Current Raw change used (final)0.0
Projected new Raw rating1231.2
Projected new Weighed rating1231.2
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1231.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1231.2
Projected new floor713.3
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
30 Ekurhuleni North Schools Individual Finals 2023 (U13 Boys) 2023/05/12 2023/05/12 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1533.2 1537.7 Analysis
29 Ekurhuleni Trials 2 2023 (U14) 2023/04/22 2023/04/22 Ekurhuleni (GE) Standard 60 0.83 5 5 5.0 1502.7 1500.3 Analysis
28 Ekhuruleni Chess Trials 1 2023 (U14) 2023/03/25 2023/03/25 Ekurhuleni (GE) Standard 60 0.83 5 5 3.5 1524.2 1530.4 Analysis
27 ACB Tournament 2022 (A) 2022/10/07 2022/10/08 Ekurhuleni (GE) Standard 90 0.94 5 5 3.0 1497.0 1518.6 Analysis
26 Ekurhuleni-North Schools Teams 2022 (U13) 2022/08/06 2022/08/06 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1446.9 1509.6 Analysis
25 2022 Gauteng Schools Individual Chess Championship (U13 Boys) 2022/06/18 2022/06/18 Ekurhuleni (GE) Standard 60 0.83 5 5 5.0 1388.3 1450.2 Analysis
24 Ekurhuleni Trials 2 2022 (U14) 2022/05/28 2022/05/28 Ekurhuleni (GE) Standard 62 0.84 5 5 4.0 1402.1 1391.5 Analysis
23 Ekurhuleni-North Schools Finals Indiv 2022 (U13 Boys) 2022/05/13 2022/05/13 Ekurhuleni (GE) Standard 60 0.83 5 5 4.5 1402.1 1391.5 Analysis
22 World Youth Blitz Championships 2022 2022/05/03 2022/05/03 FIDE (FID) Blitz 7 0.23 9 9 3.5 1402.1 1200.0 Analysis
21 World Cadets Rapid Championships 2022 2022/05/01 2022/05/02 FIDE (FID) Rapid 15 0.39 9 9 3.0 1402.1 1200.0 Analysis
20 Ekurhuleni Trials 1 2022 (U14) 2022/04/23 2022/04/23 Ekurhuleni (GE) Standard 62 0.84 5 5 3.0 1396.8 1387.2 Analysis
19 South African Junior Closed Chess Championships 2022 (U12 Open) 2022/03/28 2022/04/02 Chess South Africa (CSA) Standard 120 1.00 11 11 5.5 1396.8 1387.2 Analysis
18 2022 Gauteng Interregion (U12 Open) 2022/02/26 2022/02/26 Tshwane (GTP) Standard 60 0.83 5 5 3.5 1377.0 1380.2 Analysis
17 Ekurhuleni Chess Open 2022 (D) 2022/01/08 2022/01/09 Ekurhuleni (GE) Standard 60 0.83 7 7 5.5 1350.1 1355.7 Analysis
16 Ekurhuleni Trials (3) 2021 (U12) 2021/11/06 2021/11/06 Ekurhuleni (GE) Standard 62 0.84 5 5 4.0 1320.2 1322.9 Analysis
15 Ekurhuleni North Schools Individual 2021 (C) 2021/09/11 2021/09/11 Ekurhuleni (GE) Standard 60 0.83 5 5 5.0 1261.9 1252.0 Analysis
14 2019 South African Top Schools Team Championships (U9 Open+U11 Girls) 2020/01/10 2020/01/11 4 Knights (4K) Standard 90 0.94 5 5 2.0 1260.8 1252.7 Analysis
13 2019 South African Junior Team Championships (U10D) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 6 3.5 1260.8 1252.7 Analysis
12 2019 Gauteng School League Finals (U9 Open) 2019/08/23 2019/08/23 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1152.5 1147.5 Analysis
11 Boksburg Chess Club Open 2019 (D) 2019/07/13 2019/07/13 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1127.1 1122.9 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main 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
Standard 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
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 166 93 13 60 99.5 59.9 84.5 1208.1 1292.6
White 82 48 7 27 51.5 62.8 108.8 1198.6 1307.5
Black 84 45 6 33 48.0 57.1 60.7 1217.3 1278.1
Standard All 148 87 12 49 93.0 62.8 109.1 1199.1 1308.2
White 74 46 6 22 49.0 66.2 137.8 1189.0 1326.8
Black 74 41 6 27 44.0 59.5 80.4 1209.2 1289.6
Rapid All 9 3 0 6 3.0 33.3 -141.7 1193.3 1051.7
White 4 1 0 3 1.0 25.0 -212.5 1146.5 934.0
Black 5 2 0 3 2.0 40.0 -85.0 1230.8 1145.8
Blitz All 9 3 1 5 3.5 38.9 -94.4 1370.9 1276.4
White 4 1 1 2 1.5 37.5 -106.3 1429.3 1323.0
Black 5 2 0 3 2.0 40.0 -85.0 1324.2 1239.2
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 2100097359 Bothma, J (Jaculene) 3 3.0 3 0 0 100.0 1440.0 425.0 1865.0 View list
2 2100101517 Lovett, S (Saffron) 3 3.0 3 0 0 100.0 1298.2 425.0 1723.2 View list
3 210093902 Nickols, C (Christi) 3 3.0 3 0 0 100.0 1258.1 425.0 1683.1 View list
4 109084256 Hattingh, T (Tiaan) 3 2.5 2 1 0 83.3 1276.8 283.3 1560.1 View list
5 1110109195 Tema, O (Ofana) 3 1.5 1 1 1 50.0 1245.9 0.0 1245.9 View list
6 1110097360 Pillay, Z (Zac) 3 0.5 0 1 2 16.7 1248.4 -283.3 965.0 View list
7 1110118128 Botha, JCC (Johannes Christiaan Corneli) 2 2.0 2 0 0 100.0 1306.0 425.0 1731.0 View list
8 1110118675 Buthelezi, Z (Zanokuhle) 2 2.0 2 0 0 100.0 1426.4 425.0 1851.4 View list
9 1100112250 Govender, K (Kaylin) 2 2.0 2 0 0 100.0 1361.2 425.0 1786.2 View list
10 2100107820 Labuschagne, M (Melindie) 2 2.0 2 0 0 100.0 1155.5 425.0 1580.5 View list
11 1110118124 Pieterse, JF (Jurgens Francois) 2 2.0 2 0 0 100.0 1207.2 425.0 1632.2 View list
12 1100115635 Ramoroka, T (Tlou) 2 2.0 2 0 0 100.0 1194.5 425.0 1619.5 View list
13 1090118195 Strydom, L (Leyan) 2 2.0 2 0 0 100.0 1399.4 425.0 1824.4 View list
14 Silaghi Matias-Radu 2 2.0 0 0 0 100.0 1402.1 425.0 1827.1 View list
15 1090101504 Keyser, H (Hendre Etienne) 2 1.0 1 0 1 50.0 1198.6 0.0 1198.6 View list
16 1090098194 Shana, C (Christian) 2 1.0 1 0 1 50.0 1176.6 0.0 1176.6 View list
17 Cockin Ruan 2 1.0 0 0 0 50.0 1402.1 0.0 1402.1 View list
18 109092824 Labuschagne, I (Ivan) 2 0.5 0 1 1 25.0 1399.4 -212.5 1186.9 View list
19 1100098192 Nash, O (Owen) 2 0.5 0 1 1 25.0 1009.5 -212.5 797.0 View list
20 Ferjani Mohamed Islem 2 0.5 0 0 0 25.0 1402.1 -212.5 1189.6 View list