Chess South Africa
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Chess South Africa
Mostert, J (Jan-Abraham)
Dob:
2004/03/26 (Adult)
Gender:
Male
Chess SA id:
104025229
FIDE id:
Region:
Eden (WEG)
Citizen:
RSA
Title(s):
Last active:
2020/03/15 (1533 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
1278.6
Curent Weighted rating
1278.6
Curent Weighted performance
606.1
Current official/published rating (highest between Raw, WR and WP)
1278.6
Current floor (min rating allowed)
819.5
Current highest rating achieved
1319.5
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)
±148.2
Current Raw change used (final)
0.0
Projected new Raw rating
1278.6
Projected new Weighed rating
1278.6
Projected new Weighted performance
606.1
Projected new official/published rating (highest between new Raw, new WR and new WP)
1278.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1319.5
Projected new floor
819.5
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
1272.5
Curent Weighted rating
1272.5
Curent Weighted performance
603.2
Current official/published rating (highest between Raw, WR and WP)
1272.5
Current floor (min rating allowed)
813.5
Current highest rating achieved
1313.5
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)
±149.5
Current Raw change used (final)
0.0
Projected new Raw rating
1272.5
Projected new Weighed rating
1272.5
Projected new Weighted performance
603.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1272.5
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1313.5
Projected new floor
813.5
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
1074.0
Curent Weighted rating
1074.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1074.0
Current floor (min rating allowed)
594.0
Current highest rating achieved
1094.0
Current K-factor
40
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)
±198.4
Current Raw change used (final)
0.0
Projected new Raw rating
1074.0
Projected new Weighed rating
1074.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1074.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1094.0
Projected new floor
594.0
Projected new K-facor
40
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
1074.0
Curent Weighted rating
1074.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1074.0
Current floor (min rating allowed)
594.0
Current highest rating achieved
1094.0
Current K-factor
40
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)
±198.4
Current Raw change used (final)
0.0
Projected new Raw rating
1074.0
Projected new Weighed rating
1074.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1074.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1094.0
Projected new floor
594.0
Projected new K-facor
40
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
22
Western Cape Schools 2020 (U18 Boys)
2020/03/14
2020/03/15
Cape Town (WCT)
Standard
60
0.83
5
4
1.0
1223.2
1222.0
Analysis
21
Eden Schools Closed Trials 1 2020 (U18 Boys)
2020/03/07
2020/03/07
Eden District (WEG)
Standard
65
0.85
5
5
4.5
1223.2
1222.0
Analysis
20
George Trial 2 2020 (U18+U20)
2020/02/08
2020/02/08
Eden District (WEG)
Standard
65
0.85
5
4
2.5
1208.5
1204.4
Analysis
19
George Trial 1 2020 (U18+U20)
2020/01/25
2020/01/25
Eden District (WEG)
Standard
65
0.85
5
5
3.0
1242.4
1224.9
Analysis
18
2019 South African Junior Team Championships (U16B)
2020/01/04
2020/01/08
4 Knights (4K)
Standard
120
1.00
7
7
1.0
1242.4
1224.9
Analysis
17
George Open Chess Tournament 2019 (B)
2019/11/30
2019/12/01
Eden District (WEG)
Standard
65
0.85
6
5
1.0
1319.5
1313.5
Analysis
16
Eden Top Schools 2019 (U15)
2019/07/20
2019/07/20
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1277.9
1274.6
Analysis
15
Eden Trials 3 2019 (U16 Open)
2019/05/11
2019/05/11
Eden District (WEG)
Standard
60
0.83
5
5
3.5
1265.6
1263.1
Analysis
14
Western Cape Schools Individuals 2019 (U15 Boys)
2019/05/04
2019/05/05
Eden District (WEG)
Standard
60
0.83
6
6
3.0
1265.6
1263.1
Analysis
13
Eden Trials 2 2019 (U16 Open)
2019/04/13
2019/04/13
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1242.0
1242.0
Analysis
12
Eden Trials 1 2019 (U16 Open)
2019/03/02
2019/03/02
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1234.2
1235.2
Analysis
11
George Trials 2 2019 (U16)
2019/02/09
2019/02/09
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1192.1
1196.8
Analysis
10
George Trials 1 2019 (U16)
2019/01/26
2019/01/26
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1175.4
1177.7
Analysis
9
South African Junior Team Championships 2018 (U16A)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
7
1.0
1228.7
1232.1
Analysis
8
Western Cape Top Schools 2018 (U15 Mix)
2018/08/25
2018/08/26
Overberg (WOS)
Standard
60
0.83
5
5
4.0
1206.0
1202.9
Analysis
7
Western Cape Schools Individuals 2018 (U15 Boys)
2018/05/19
2018/05/20
Overberg (WOS)
Standard
60
0.83
6
6
3.5
1185.7
1187.5
Analysis
6
EDENSC Closed 3 2018 (U16 Open)
2018/05/12
2018/05/12
Eden District (WEG)
Standard
60
0.83
5
5
2.5
1185.7
1187.5
Analysis
5
EDENSC Closed 2 2018 (U16 Open)
2018/04/14
2018/04/14
Eden District (WEG)
Standard
60
0.83
5
5
4.0
1169.7
1182.8
Analysis
4
EDENSC Closed 1 2018 (U16 Boys)
2018/03/10
2018/03/10
Eden District (WEG)
Standard
60
0.83
5
5
3.5
1137.5
1145.2
Analysis
3
George Trails 2 2018 (U16)
2018/02/10
2018/02/10
Eden District (WEG)
Standard
60
0.83
5
5
4.5
1102.3
1102.8
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
121
69
15
37
76.5
63.2
112.4
1129.2
1241.6
White
59
43
7
9
46.5
78.8
244.9
1082.9
1327.8
Black
62
26
8
28
30.0
48.4
-13.7
1173.3
1159.6
Standard
All
121
69
15
37
76.5
63.2
112.4
1129.2
1241.6
White
59
43
7
9
46.5
78.8
244.9
1082.9
1327.8
Black
62
26
8
28
30.0
48.4
-13.7
1173.3
1159.6
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
104055803
Stuurman, L (Luciano)
4
2.0
2
0
2
50.0
1261.3
0.0
1261.3
View list
2
104078172
Muller, L (Luzane)
3
2.0
2
0
1
66.7
1273.8
141.7
1415.5
View list
3
103009749
Fourie, C (Corne)
3
1.5
1
1
1
50.0
1189.3
0.0
1189.3
View list
4
103078196
Campbell, G (Grant)
3
0.0
0
0
3
0.0
1224.7
-425.0
799.7
View list
5
104054162
Barnard, S (Stephan)
2
2.0
2
0
0
100.0
1121.8
425.0
1546.8
View list
6
1050117271
Damons, L (Leighton)
2
2.0
2
0
0
100.0
1277.9
425.0
1702.9
View list
7
104088344
Dilman, L (Laythum)
2
2.0
2
0
0
100.0
1177.7
425.0
1602.7
View list
8
104049062
Lewis, T (Tyler)
2
2.0
2
0
0
100.0
1119.9
425.0
1544.9
View list
9
104051728
Muller, EA (Euan A)
2
2.0
2
0
0
100.0
1235.8
425.0
1660.8
View list
10
103054175
Odendaal, J (Juan)
2
2.0
2
0
0
100.0
1172.3
425.0
1597.3
View list
11
104040032
Van Loggerenberg, P (Pierre)
2
2.0
2
0
0
100.0
1200.3
425.0
1625.3
View list
12
1040099878
Van Zyl, J (Jeandre)
2
2.0
2
0
0
100.0
1225.7
425.0
1650.7
View list
13
1040107895
Witbooi, B (Bennidict)
2
2.0
2
0
0
100.0
1277.9
425.0
1702.9
View list
14
1020131131
Hannies, D (Deacon)
2
1.5
1
1
0
75.0
1215.8
212.5
1428.3
View list
15
204075220
Muller, J (Janke)
2
1.5
1
1
0
75.0
1169.8
212.5
1382.3
View list
16
104009024
Erasmus, W (Wiaan)
2
1.0
1
0
1
50.0
1280.8
0.0
1280.8
View list
17
104055802
Sefoor, F (Fayden)
2
1.0
1
0
1
50.0
1177.7
0.0
1177.7
View list
18
103078180
Simons, E (Elroy)
2
1.0
1
0
1
50.0
1177.7
0.0
1177.7
View list
19
105048751
Venter, L (Lian)
2
0.5
0
1
1
25.0
1213.2
-212.5
1000.7
View list
20
105065442
Kleinhans, T (Theo)
2
0.0
0
0
2
0.0
1277.9
-425.0
852.9
View list