Chess South Africa
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Chess South Africa
Jacobs, A (Amethyst)
Dob:
2002/05/14 (Adult)
Gender:
Male
Chess SA id:
102092137
FIDE id:
Region:
Pixley-ka-Seme (NCP)
Citizen:
RSA
Title(s):
Last active:
2020/03/01 (1540 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
1397.6
Curent Weighted rating
1397.6
Curent Weighted performance
598.0
Current official/published rating (highest between Raw, WR and WP)
1397.6
Current floor (min rating allowed)
917.8
Current highest rating achieved
1417.8
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)
±125.1
Current Raw change used (final)
0.0
Projected new Raw rating
1397.6
Projected new Weighed rating
1397.6
Projected new Weighted performance
598.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1397.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1417.8
Projected new floor
917.8
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
1398.7
Curent Weighted rating
1398.7
Curent Weighted performance
598.3
Current official/published rating (highest between Raw, WR and WP)
1398.7
Current floor (min rating allowed)
918.5
Current highest rating achieved
1418.5
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)
±124.9
Current Raw change used (final)
0.0
Projected new Raw rating
1398.7
Projected new Weighed rating
1398.7
Projected new Weighted performance
598.3
Projected new official/published rating (highest between new Raw, new WR and new WP)
1398.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1418.5
Projected new floor
918.5
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
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
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)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1200.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1200.0
Projected new floor
700.0
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
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
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)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1200.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1200.0
Projected new floor
700.0
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
17
NC Open 2020 (B)
2020/02/28
2020/03/01
Frances Baard (NCF)
Standard
120
1.00
5
5
3.0
1416.2
1416.3
Analysis
16
Kimberley Chess Club Christmas Open 2019 (B)
2019/12/06
2019/12/07
Frances Baard (NCF)
Standard
60
0.83
5
5
3.0
1417.8
1418.5
Analysis
15
Kimberley Chess Club Schools` Open 2019 (U17+U19 Open)
2019/07/20
2019/07/20
Frances Baard (NCF)
Standard
60
0.83
5
5
4.0
1379.0
1386.5
Analysis
14
2019 SA Schools Winter Games (U18 Boys)
2019/07/01
2019/07/04
Ethekwini (KED)
Standard
90
0.94
7
7
4.0
1379.0
1386.5
Analysis
13
South African Schools Individuals Chess Championships 2019 (U17+U19 Open)
2019/06/18
2019/06/21
Frances Baard (NCF)
Standard
60
0.83
7
7
3.5
1218.0
1225.6
Analysis
12
Northern Cape Trails 2019 (U18 Boys)
2019/06/13
2019/06/13
ZF Mgcawu (NZF)
Standard
62
0.84
5
5
4.5
1218.0
1225.6
Analysis
11
Inter Regional Chess Championship 2019 (U18)
2019/05/10
2019/05/11
Mangaung (FMB)
Standard
60
0.83
5
5
4.0
1158.9
1163.2
Analysis
10
Pixley ka Seme Schools Trials 2019 (U18 Boys)
2019/03/09
2019/03/09
Pixley-ka-Seme (NCP)
Standard
60
0.83
5
5
2.5
1152.6
1152.8
Analysis
9
Frances Baard Schools Open Tournament 2019 (U17+Open Boys)
2019/01/29
2019/01/29
Frances Baard (NCF)
Standard
60
0.83
5
5
3.0
1131.7
1126.0
Analysis
8
South African Junior Team Championships 2018 (U18C)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
7
4.0
1123.7
1123.2
Analysis
7
Northern Cape Closed Chess Championships 2018 (U18 Open)
2018/08/31
2018/09/01
Frances Baard (NCF)
Standard
92
0.94
5
5
1.5
1163.2
1165.2
Analysis
6
Frances Baard Schools Open (U17+U19 Boys)
2018/08/17
2018/08/18
Frances Baard (NCF)
Standard
60
0.83
6
6
4.0
1136.3
1134.4
Analysis
5
LDA Open Tournament 2018 (A)
2018/07/21
2018/07/21
Pixley-ka-Seme (NCP)
Standard
60
0.83
5
5
3.5
1136.0
1133.6
Analysis
4
NC Provincial Schools Eliminations 2018 (U18 Open)
2018/06/23
2018/06/23
Frances Baard (NCF)
Standard
60
0.83
5
5
3.5
1077.9
1059.2
Analysis
3
Inter Regional 2018 (U18 Team)
2018/05/04
2018/05/05
Frances Baard (NCF)
Standard
60
0.83
5
4
1.0
1102.1
1083.6
Analysis
2
Pixley Schools District Eliminations 2018 (U17+U19)
2018/04/14
2018/04/14
Pixley-ka-Seme (NCP)
Standard
60
0.83
5
5
3.0
1164.5
1157.2
Analysis
1
Pixley ka Seme Open 2018 (U18-Adult)
2018/02/10
2018/02/10
Pixley-ka-Seme (NCP)
Standard
60
0.83
5
5
2.0
1200.0
1200.0
Analysis
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
103
57
10
36
62.0
60.2
86.7
1173.0
1259.6
White
54
29
5
20
31.5
58.3
70.8
1203.4
1274.2
Black
49
28
5
16
30.5
62.2
104.1
1139.5
1243.5
Standard
All
103
57
10
36
62.0
60.2
86.7
1173.0
1259.6
White
54
29
5
20
31.5
58.3
70.8
1203.4
1274.2
Black
49
28
5
16
30.5
62.2
104.1
1139.5
1243.5
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
102089463
Links, B (Bradley)
5
3.0
2
2
1
60.0
1144.2
85.0
1229.2
View list
2
102091433
Oliphant, D (Deaquin)
5
2.0
2
0
3
40.0
1145.1
-85.0
1060.1
View list
3
102079355
Michael, X (Xolile)
3
2.0
2
0
1
66.7
1296.6
141.7
1438.2
View list
4
101066232
Valashia, A (Amogelang)
3
1.5
0
3
0
50.0
1325.3
0.0
1325.3
View list
5
1020105361
Sagrys, M (Miguel)
3
1.0
1
0
2
33.3
1296.6
-141.7
1154.9
View list
6
101055877
Dyariwe, B (Buhle)
2
2.0
2
0
0
100.0
1379.0
425.0
1804.0
View list
7
103076891
Crutse, K (Kgothatso)
2
2.0
2
0
0
100.0
1379.0
425.0
1804.0
View list
8
103072610
Greyling, S (Stefan)
2
2.0
2
0
0
100.0
1379.0
425.0
1804.0
View list
9
1030097479
Halter, P (Prince)
2
2.0
2
0
0
100.0
1379.0
425.0
1804.0
View list
10
1010116501
Kekane, F (France)
2
2.0
2
0
0
100.0
1379.0
425.0
1804.0
View list
11
171017443
Lebenya, MJ (Masilo)
2
2.0
2
0
0
100.0
1417.0
425.0
1842.0
View list
12
103048251
Nkambule, N (Ntokozo)
2
2.0
2
0
0
100.0
1379.0
425.0
1804.0
View list
13
201076062
Ntozini, T (Thandokazi)
2
2.0
2
0
0
100.0
1168.0
425.0
1593.0
View list
14
201076067
Van Reenen, P (Phoeboe)
2
2.0
2
0
0
100.0
1150.3
425.0
1575.3
View list
15
1010100709
Applegreen, T (Thuto)
2
1.5
1
1
0
75.0
1148.0
212.5
1360.5
View list
16
1020099012
Kamvelihle, Z (Zumani)
2
1.0
1
0
1
50.0
1132.7
0.0
1132.7
View list
17
201076066
Saunders, L (Lihandri)
2
1.0
1
0
1
50.0
1150.3
0.0
1150.3
View list
18
102082750
Sefodi, T (Tshepiso)
2
1.0
0
2
0
50.0
1379.0
0.0
1379.0
View list
19
101050300
Botes, A (Armand)
2
0.5
0
1
1
25.0
1149.8
-212.5
937.3
View list
20
103089461
Cedras, C (Crusadian)
2
0.5
0
1
1
25.0
1142.2
-212.5
929.7
View list