Chess South Africa
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Chess South Africa
Adriaanse, GJ (Gerswin)
Dob:
1977/05/25 (Adult)
Gender:
Male
Chess SA id:
177000298
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2023/09/09 (322 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
Current Raw rating
1372.4
Current Weighted rating
1370.9
Current Weighted performance
760.4
Current official/published rating (highest between Raw, WR and WP)
1372.4
Current highest rating achieved
1380.0
Current floor (min rating allowed)
880.0
Current K-factor
36
Games played this month
-4
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)
±129.7
Current Raw change used (final)
0.0
Projected new Raw rating
1372.4
Projected new Weighed rating
1261.3
Projected new Weighted performance
760.4
Projected new final Raw rating (if new WP > new Raw)
1372.4
Projected new highest rating
1380.0
Projected new floor
880.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1372.4
Projected effective change (new Official - current Official)
=0.0
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
Current Raw rating
1364.1
Current Weighted rating
1362.0
Current Weighted performance
710.8
Current official/published rating (highest between Raw, WR and WP)
1364.1
Current highest rating achieved
1370.6
Current floor (min rating allowed)
870.6
Current K-factor
36
Games played this month
-4
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)
±131.2
Current Raw change used (final)
0.0
Projected new Raw rating
1364.1
Projected new Weighed rating
1253.3
Projected new Weighted performance
710.8
Projected new final Raw rating (if new WP > new Raw)
1364.1
Projected new highest rating
1370.6
Projected new floor
870.6
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1364.1
Projected effective change (new Official - current Official)
=0.0
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
Current Raw rating
1324.1
Current Weighted rating
1324.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1324.1
Current highest rating achieved
1324.1
Current floor (min rating allowed)
824.1
Current K-factor
36
s
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)
±138.9
Current Raw change used (final)
0.0
Projected new Raw rating
1324.1
Projected new Weighed rating
1218.2
Projected new Weighted performance
186.6
Projected new final Raw rating (if new WP > new Raw)
1324.1
Projected new highest rating
1324.1
Projected new floor
824.1
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1324.1
Projected effective change (new Official - current Official)
=0.0
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
Current Raw rating
1306.2
Current Weighted rating
1306.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1306.2
Current highest rating achieved
1318.0
Current floor (min rating allowed)
818.0
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)
±142.5
Current Raw change used (final)
0.0
Projected new Raw rating
1306.2
Projected new Weighed rating
1201.7
Projected new Weighted performance
294.8
Projected new final Raw rating (if new WP > new Raw)
1306.2
Projected new highest rating
1318.0
Projected new floor
818.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1306.2
Projected effective change (new Official - current Official)
=0.0
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
9
WP Club League 2023 (D2)
2023/08/05
2023/08/26
Cape Town (WCT)
Standard
70
0.87
6
1
1.0
1365.3
1355.1
Analysis
8
WP Club League 2023 (A)
2023/07/29
2023/09/09
Cape Town (WCT)
Standard
120
1.00
11
8
1.5
1380.0
1370.6
Analysis
7
Bellville Rapid Oct 2019
2019/10/14
2019/10/14
Cape Town (WCT)
Rapid
15
0.39
6
3
1.0
1364.5
1318.0
Analysis
6
Bellville Blitz 2019
2019/09/16
2019/09/16
Cape Town (WCT)
Blitz
8
0.25
6
6
4.0
1361.5
1242.8
Analysis
5
2019 Western Province League (B)
2019/07/27
2019/09/07
Cape Town (WCT)
Standard
120
1.00
11
8
3.5
1361.5
1369.5
Analysis
4
Bellville Club Champs 2019 (B)
2019/02/04
2019/05/27
Cape Town (WCT)
Standard
90
0.94
11
9
6.0
1313.1
1325.2
Analysis
3
Bellville Chess Club 01 Blitz Tournament 2019
2019/01/28
2019/01/28
Cape Town (WCT)
Blitz
5
0.18
7
7
3.0
1325.0
1318.0
Analysis
2
2018 Western Province League (E)
2018/08/04
2018/09/15
Cape Town (WCT)
Standard
60
0.83
7
4
1.5
1345.9
1351.5
Analysis
1
Bellville Club Champs 2018 (Group 3)
2018/04/23
2018/06/04
Cape Town (WCT)
Standard
75
0.89
5
3
3.0
1318.0
1318.0
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
49
20
9
20
24.5
50.0
0.0
1363.1
1363.1
White
21
8
4
9
10.0
47.6
-20.2
1391.8
1371.5
Black
28
12
5
11
14.5
51.8
15.2
1341.6
1356.8
Standard
All
33
13
7
13
16.5
50.0
0.0
1383.0
1383.0
White
12
2
4
6
4.0
33.3
-141.7
1425.7
1284.0
Black
21
11
3
7
12.5
59.5
81.0
1358.6
1439.6
Rapid
All
3
1
0
2
1.0
33.3
-141.7
1536.6
1394.9
White
2
0
0
2
0.0
0.0
-425.0
1711.3
1286.3
Black
1
1
0
0
1.0
100.0
425.0
1187.3
1612.3
Blitz
All
13
6
2
5
7.0
53.8
32.7
1272.5
1305.2
White
7
6
0
1
6.0
85.7
303.6
1242.3
1545.9
Black
6
0
2
4
1.0
16.7
-283.3
1307.6
1024.3
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
211087036
Osborne, H (Hannah)
2
2.0
2
0
0
100.0
1344.8
425.0
1769.8
View list
2
1920108259
Magwembere, A (Adrian)
2
1.0
1
0
1
50.0
1343.3
0.0
1343.3
View list
3
189088910
Maritz, J (Jean)
2
0.5
0
1
1
25.0
1319.0
-212.5
1106.5
View list
4
1040097954
Coetzee, A (Aden)
2
0.0
0
0
2
0.0
1353.7
-425.0
928.7
View list
5
166032709
Roux, A (Andre)
2
0.0
0
0
2
0.0
1319.0
-425.0
894.0
View list
6
162027201
Nel, O (Ovidius)
1
1.0
1
0
0
100.0
1318.0
425.0
1743.0
View list
7
1990097424
Mbendeni, S (Siyakudumisa Kenneth)
1
1.0
1
0
0
100.0
1380.0
425.0
1805.0
View list
8
2100109062
Mayekiso, A (Amila)
1
1.0
1
0
0
100.0
1365.3
425.0
1790.3
View list
9
188002608
Booysen, DF (Don-Fredo)
1
1.0
1
0
0
100.0
1361.5
425.0
1786.5
View list
10
100052481
Le Roux, M (Murray)
1
1.0
1
0
0
100.0
1313.1
425.0
1738.1
View list
11
2030107204
Osborne, N (Nicole)
1
1.0
1
0
0
100.0
1361.5
425.0
1786.5
View list
12
106085447
Prinsloo, R (Reinhardt)
1
1.0
1
0
0
100.0
1313.1
425.0
1738.1
View list
13
174094588
Rae, C (Campbell)
1
1.0
1
0
0
100.0
1318.0
425.0
1743.0
View list
14
176032855
Russouw, DJ (Daniel)
1
1.0
1
0
0
100.0
1313.1
425.0
1738.1
View list
15
1000118955
Steenberg, C (Chad)
1
1.0
1
0
0
100.0
1361.5
425.0
1786.5
View list
16
177092940
Steenkamp, M (Malan)
1
1.0
1
0
0
100.0
1313.1
425.0
1738.1
View list
17
105065071
Swart, S (Steffan)
1
1.0
1
0
0
100.0
1318.0
425.0
1743.0
View list
18
2080117986
Vermeulen, I (Inge)
1
1.0
1
0
0
100.0
1361.5
425.0
1786.5
View list
19
1720117948
Vermeulen, L (Leonardus)
1
1.0
1
0
0
100.0
1361.5
425.0
1786.5
View list
20
199065235
Visage, P (Philip)
1
1.0
1
0
0
100.0
1325.0
425.0
1750.0
View list