Chess South Africa
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Chess South Africa
Koetser, J (Joshua)
Dob:
2008/08/04 (U18)
Gender:
Male
Chess SA id:
1080193698
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2024/05/11 (8 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
1233.4
Curent Weighted rating
1205.9
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1233.4
Current floor (min rating allowed)
733.4
Current highest rating achieved
1233.4
Current K-factor
36
Games played this month
6
Score (S)
2.5
Expected score (We)
1.91
Difference (S-We)
0.59
Current Raw change (no limits, including tournament time weight)
10.0
Current min/max change allowed (with limits)
±158.1
Current Raw change used (final)
10.0
Projected new Raw rating
1243.4
Projected new Weighed rating
1209.2
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1243.4
Projected effective change (new Official - current Official)
+10.0
Projected new highest rating
1243.4
Projected new floor
743.4
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
1228.5
Curent Weighted rating
1205.1
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1228.5
Current floor (min rating allowed)
728.5
Current highest rating achieved
1228.5
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)
±159.2
Current Raw change used (final)
0.0
Projected new Raw rating
1228.5
Projected new Weighed rating
1207.1
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1228.5
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1228.5
Projected new floor
728.5
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
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
0.0
Current K-factor
40
Games played this month
6
Score (S)
2.5
Expected score (We)
2.05
Difference (S-We)
0.45
Current Raw change (no limits, including tournament time weight)
18.0
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
18.0
Projected new Raw rating
1218.0
Projected new Weighed rating
1201.4
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1218.0
Projected effective change (new Official - current Official)
+18.0
Projected new highest rating
1218.0
Projected new floor
718.0
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
0.0
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)
±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
0.0
Projected new floor
700.0
Projected new K-facor
40
Tournaments
History
Tournament:
Steinitz Chess Festival 2024 (Open Rapid)
Start:
2024/05/11
End:
2024/05/11
Host:
WCT
Type:
Rapid
Time:
20
Time weight:
0.47
Rounds:
6
Games:
6
Score:
2.5
Main rating:
1233.4
Rating gain/loss:
10.0
Type rating:
1200.0
Rating gain/loss:
18.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
3
Steinitz Chess Festival 2024 (Open Rapid)
2024/05/11
2024/05/11
Cape Town (WCT)
Rapid
20
0.47
6
6
2.5
1233.4
1200.0
Analysis
2
Cape Town Open Chess Championship 2024 (Beginner)
2024/03/16
2024/03/17
Cape Town (WCT)
Standard
70
0.87
6
6
4.0
1209.6
1208.0
Analysis
1
North District School Trials 2024 (U18 Boys)
2024/02/03
2024/02/03
Cape Town (WCT)
Standard
60
0.83
5
4
2.0
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
3
Steinitz Chess Festival 2024 (Open Rapid)
2024/05/11
2024/05/11
Cape Town (WCT)
Rapid
20
0.47
6
6
2.5
1233.4
1200.0
Analysis
2
Cape Town Open Chess Championship 2024 (Beginner)
2024/03/16
2024/03/17
Cape Town (WCT)
Standard
70
0.87
6
6
4.0
1209.6
1208.0
Analysis
1
North District School Trials 2024 (U18 Boys)
2024/02/03
2024/02/03
Cape Town (WCT)
Standard
60
0.83
5
4
2.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
16
8
1
7
8.5
53.1
26.6
1272.4
1298.9
White
7
5
0
2
5.0
71.4
182.1
1245.4
1427.5
Black
9
3
1
5
3.5
38.9
-94.4
1293.4
1198.9
Standard
All
10
6
0
4
6.0
60.0
85.0
1210.1
1295.1
White
5
4
0
1
4.0
80.0
255.0
1181.6
1436.6
Black
5
2
0
3
2.0
40.0
-85.0
1238.5
1153.5
Rapid
All
6
2
1
3
2.5
41.7
-70.8
1376.2
1305.4
White
2
1
0
1
1.0
50.0
0.0
1404.7
1404.7
Black
4
1
1
2
1.5
37.5
-106.3
1362.0
1255.8
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
16
8
1
7
8.5
53.1
26.6
1272.4
1298.9
White
7
5
0
2
5.0
71.4
182.1
1245.4
1427.5
Black
9
3
1
5
3.5
38.9
-94.4
1293.4
1198.9
Standard
All
10
6
0
4
6.0
60.0
85.0
1210.1
1295.1
White
5
4
0
1
4.0
80.0
255.0
1181.6
1436.6
Black
5
2
0
3
2.0
40.0
-85.0
1238.5
1153.5
Rapid
All
6
2
1
3
2.5
41.7
-70.8
1376.2
1305.4
White
2
1
0
1
1.0
50.0
0.0
1404.7
1404.7
Black
4
1
1
2
1.5
37.5
-106.3
1362.0
1255.8
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
2090145674
Du Plessis, M (Madelein)
1
1.0
1
0
0
100.0
1209.6
425.0
1634.6
View list
2
107085509
Li, T (Traynor)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
2090141163
Roto, A (Ahluma)
1
1.0
1
0
0
100.0
1209.6
425.0
1634.6
View list
4
1100140763
Prins, S (Stefan)
1
1.0
1
0
0
100.0
1233.4
425.0
1658.4
View list
5
2070096496
Nelson, OS (Olenka Shai)
1
1.0
1
0
0
100.0
1209.6
425.0
1634.6
View list
6
1080190213
Miller, K (Kenwyn)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
7
208089522
Williams, N (Nicole)
1
1.0
1
0
0
100.0
1209.6
425.0
1634.6
View list
8
1150304137
Uys, I (Ivan)
1
1.0
1
0
0
100.0
1233.4
425.0
1658.4
View list
9
2130191696
Sun, H (Haojia)
1
0.5
0
1
0
50.0
1233.4
0.0
1233.4
View list
10
1070138709
Williams, R (Reindert)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
11
1090300796
Mackinna, C (Cashlin)
1
0.0
0
0
1
0.0
1209.6
-425.0
784.6
View list
12
1090109869
Priestley, L (Logan)
1
0.0
0
0
1
0.0
1233.4
-425.0
808.4
View list
13
107076747
Osborne, R (Ryan Eugene)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
14
1090157940
Dubbeld, B (Benjamin)
1
0.0
0
0
1
0.0
1233.4
-425.0
808.4
View list
15
103003300
Bown, D (Dean)
1
0.0
0
0
1
0.0
1233.4
-425.0
808.4
View list
16
1090150200
Adriaanse, J (Jordan)
1
0.0
0
0
1
0.0
1209.6
-425.0
784.6
View list