Chess South Africa
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Chess South Africa
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
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
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 rating
1501.9
Curent Weighted rating
1505.0
Curent Weighted performance
1270.3
Current official/published rating (highest between Raw, WR and WP)
1505.0
Current floor (min rating allowed)
1033.2
Current highest rating achieved
1533.2
Current K-factor
32
Games played this month
0
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 rating
1501.9
Projected new Weighed rating
1504.9
Projected new Weighted performance
1270.3
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 rating
1533.2
Projected new floor
1033.2
Projected new K-facor
32
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 rating
1498.0
Curent Weighted rating
1503.9
Curent Weighted performance
1265.9
Current official/published rating (highest between Raw, WR and WP)
1503.9
Current floor (min rating allowed)
1037.7
Current highest rating achieved
1537.7
Current K-factor
32
Games played this month
0
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 rating
1498.0
Projected new Weighed rating
1503.0
Projected new Weighted performance
1265.9
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 rating
1537.7
Projected new floor
1037.7
Projected new K-facor
32
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 rating
1213.3
Curent Weighted rating
1166.1
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1213.3
Current floor (min rating allowed)
713.3
Current highest rating achieved
1213.3
Current K-factor
36
Games played this month
0
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 rating
1213.3
Projected new Weighed rating
1170.8
Projected new Weighted performance
0.0
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 rating
1213.3
Projected new floor
713.3
Projected new K-facor
36
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 rating
1231.2
Curent Weighted rating
1231.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1231.2
Current floor (min rating allowed)
713.3
Current highest rating achieved
1231.2
Current K-factor
36
Games played this month
0
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 rating
1231.2
Projected new Weighed rating
1231.2
Projected new Weighted performance
0.0
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 rating
1231.2
Projected new floor
713.3
Projected new K-facor
36
Tournaments
History
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
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
1
2
Game History
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 id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
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