Chess South Africa
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Chess South Africa
Grib, J (Johannes)
Dob:
1971/09/01 (Adult)
Gender:
Male
Chess SA id:
171011166
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2024/03/09 (90 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
1466.0
Curent Weighted rating
1442.9
Curent Weighted performance
1309.4
Current official/published rating (highest between Raw, WR and WP)
1466.0
Current floor (min rating allowed)
966.0
Current highest rating achieved
1466.0
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)
±113.5
Current Raw change used (final)
0.0
Projected new Raw rating
1466.0
Projected new Weighed rating
1445.1
Projected new Weighted performance
1309.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1466.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1466.0
Projected new floor
966.0
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
1503.7
Curent Weighted rating
1462.0
Curent Weighted performance
1307.1
Current official/published rating (highest between Raw, WR and WP)
1503.7
Current floor (min rating allowed)
1003.7
Current highest rating achieved
1503.7
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)
±107.6
Current Raw change used (final)
0.0
Projected new Raw rating
1503.7
Projected new Weighed rating
1466.2
Projected new Weighted performance
1307.1
Projected new official/published rating (highest between new Raw, new WR and new WP)
1503.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1503.7
Projected new floor
1003.7
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
1408.0
Curent Weighted rating
1344.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1408.0
Current floor (min rating allowed)
954.0
Current highest rating achieved
1454.0
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)
±123.3
Current Raw change used (final)
0.0
Projected new Raw rating
1408.0
Projected new Weighed rating
1350.9
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1408.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1454.0
Projected new floor
954.0
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
1408.0
Curent Weighted rating
1344.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1408.0
Current floor (min rating allowed)
954.0
Current highest rating achieved
1454.0
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)
±123.3
Current Raw change used (final)
0.0
Projected new Raw rating
1408.0
Projected new Weighed rating
1350.9
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1408.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1454.0
Projected new floor
954.0
Projected new K-facor
32
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
South African Braille Open 2024
2024/03/09
2024/03/09
Cape Winelands (WCW)
Standard
60
0.83
5
5
4.0
1452.0
1496.3
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
10
South African Braille Open 2024
2024/03/09
2024/03/09
Cape Winelands (WCW)
Standard
60
0.83
5
5
4.0
1452.0
1496.3
Analysis
9
2023 Tuks Open Chess Tournament (Braille)
2023/10/07
2023/10/07
Tshwane (GTP)
Standard
60
0.83
4
4
2.0
1433.9
1435.6
Analysis
8
ANIME @ Play Chess 2023 (Braille)
2023/08/12
2023/08/12
Ekurhuleni (GE)
Standard
60
0.83
4
4
2.5
1440.5
1444.6
Analysis
7
2022 Wynie Robbertse Open (Development)
2022/10/08
2022/10/08
Tshwane (GTP)
Standard
60
0.83
5
4
4.0
1419.8
1420.3
Analysis
6
Ekurhuleni Chess Springs Club Open 2022 (F)
2022/09/03
2022/09/03
Ekurhuleni (GE)
Standard
60
0.83
5
5
4.0
1417.9
1418.7
Analysis
5
2019 South African Braille Championship
2020/01/11
2020/01/12
4 Knights (4K)
Standard
90
0.94
5
5
4.0
1394.7
1412.3
Analysis
4
2019 Gauteng Braille Open
2019/10/26
2019/10/26
Tshwane (GTP)
Standard
60
0.83
4
4
4.0
1357.8
1369.4
Analysis
3
2019 SWVG Arnold Classic (Blind)
2019/05/18
2019/05/18
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1313.4
1316.0
Analysis
2
South African Braille Championships 2018
2018/12/21
2018/12/23
4 Knights (4K)
Standard
120
1.00
5
5
2.5
1314.4
1318.2
Analysis
1
SWVG Arnold Classic Rapid & Blitz 2018 (Braille)
2018/05/18
2018/05/18
Tshwane (GTP)
Standard
60
0.83
5
5
3.5
1296.1
1296.1
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
4
0
1
4.0
80.0
255.0
1292.4
1547.4
White
3
3
0
0
3.0
100.0
425.0
1215.6
1640.6
Black
2
1
0
1
1.0
50.0
0.0
1407.7
1407.7
Standard
All
5
4
0
1
4.0
80.0
255.0
1292.4
1547.4
White
3
3
0
0
3.0
100.0
425.0
1215.6
1640.6
Black
2
1
0
1
1.0
50.0
0.0
1407.7
1407.7
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
46
33
3
10
34.5
75.0
212.5
1252.1
1464.6
White
23
16
3
4
17.5
76.1
221.7
1242.1
1463.9
Black
23
17
0
6
17.0
73.9
203.3
1262.1
1465.3
Standard
All
46
33
3
10
34.5
75.0
212.5
1252.1
1464.6
White
23
16
3
4
17.5
76.1
221.7
1242.1
1463.9
Black
23
17
0
6
17.0
73.9
203.3
1262.1
1465.3
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
281011165
Grib, J (Jessica)
7
7.0
7
0
0
100.0
1390.6
425.0
1815.6
View list
2
167006724
De Nobrega, FP (Florindo)
5
3.5
2
3
0
70.0
1351.8
170.0
1521.8
View list
3
172060744
De Meyer, B (Bruno)
5
0.0
0
0
5
0.0
1359.7
-425.0
934.7
View list
4
194014587
Joubert, J (Jacques)
3
3.0
3
0
0
100.0
1322.8
425.0
1747.8
View list
5
158003751
Brown, S (Sam)
3
2.0
2
0
1
66.7
1401.5
141.7
1543.2
View list
6
159016308
Kotze, CP (Charl)
2
2.0
2
0
0
100.0
1430.2
425.0
1855.2
View list
7
170014653
Joubert, W (Willem)
2
2.0
2
0
0
100.0
1365.0
425.0
1790.0
View list
8
165011457
Grove, IJ (Izak)
2
2.0
2
0
0
100.0
1387.8
425.0
1812.8
View list
9
177036587
Strydom, BV (Brett)
2
2.0
2
0
0
100.0
1354.1
425.0
1779.1
View list
10
1860146524
Blom, H (Hermanus Christo)
2
2.0
2
0
0
100.0
1418.8
425.0
1843.8
View list
11
168042182
Vosloo, CJ (Cicel)
2
1.0
1
0
1
50.0
1313.9
0.0
1313.9
View list
12
263011234
Grobbelaar, FJ (Fransiena)
2
0.0
0
0
2
0.0
1425.9
-425.0
1000.9
View list
13
171003456
Bresler, C (Conrad)
1
1.0
1
0
0
100.0
1452.0
425.0
1877.0
View list
14
160037650
Theunis, DP (Desmond)
1
1.0
1
0
0
100.0
1452.0
425.0
1877.0
View list
15
171036861
Swanepoel, K (Karel)
1
1.0
1
0
0
100.0
1314.4
425.0
1739.4
View list
16
1600115352
Smal, R (Reginald)
1
1.0
1
0
0
100.0
1394.7
425.0
1819.7
View list
17
175032292
Roberts, MA (Mario)
1
1.0
1
0
0
100.0
1357.8
425.0
1782.8
View list
18
100027029
Neethling, F (Francois)
1
1.0
1
0
0
100.0
1419.8
425.0
1844.8
View list
19
1030162582
Ndlovu, J (Jonas)
1
1.0
1
0
0
100.0
1433.9
425.0
1858.9
View list
20
187061029
Mfengu, N (Ndaluthando)
1
1.0
1
0
0
100.0
1417.9
425.0
1842.9
View list