Chess South Africa
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Chess South Africa
Coulson, A (Alannah)
Dob:
2013/03/25 (U12)
Gender:
Female
Chess SA id:
2130148605
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2024/01/14 (164 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
1195.1
Current Weighted rating
1194.6
Current Weighted performance
1028.7
Current official/published rating (highest between Raw, WR and WP)
1195.1
Current highest rating achieved
1207.6
Current floor (min rating allowed)
707.6
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)
±167.0
Current Raw change used (final)
0.0
Projected new Raw rating
1195.1
Projected new Weighed rating
1099.0
Projected new Weighted performance
1028.7
Projected new final Raw rating (if new WP > new Raw)
1195.1
Projected new highest rating
1207.6
Projected new floor
707.6
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1195.1
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
1205.5
Current Weighted rating
1202.6
Current Weighted performance
1094.0
Current official/published rating (highest between Raw, WR and WP)
1205.5
Current highest rating achieved
1212.3
Current floor (min rating allowed)
712.3
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)
±164.5
Current Raw change used (final)
0.0
Projected new Raw rating
1205.5
Projected new Weighed rating
1106.5
Projected new Weighted performance
1094.0
Projected new final Raw rating (if new WP > new Raw)
1205.5
Projected new highest rating
1212.3
Projected new floor
712.3
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1205.5
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
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
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)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
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
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
1118.0
Current Weighted rating
1139.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1139.3
Current highest rating achieved
1118.0
Current floor (min rating allowed)
618.0
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)
±186.4
Current Raw change used (final)
0.0
Projected new Raw rating
1118.0
Projected new Weighed rating
1046.6
Projected new Weighted performance
300.6
Projected new final Raw rating (if new WP > new Raw)
1118.0
Projected new highest rating
1118.0
Projected new floor
618.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1118.0
Projected effective change (new Official - current Official)
-21.3
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U12C)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
2.0
1199.5
1212.3
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
8
2024 Gauteng Inter-Region Chess Championship (U12C)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
5
2.0
1199.5
1212.3
Analysis
7
JMC - The Higher Ground Restaurant 2nd Blitz Event 2023
2023/07/30
2023/07/30
Johannesburg Metro (GJM)
Blitz
8
0.25
7
6
2.0
1167.2
1200.0
Analysis
6
ThinkChess 6 July 2023
2023/07/06
2023/07/06
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1167.2
1163.0
Analysis
5
JMC Trinity Little Falls 2023 (D)
2023/07/02
2023/07/02
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1167.2
1163.0
Analysis
4
JNW Open - Trinityhouse Little Falls 2023 (C)
2023/06/24
2023/06/24
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1173.2
1168.4
Analysis
3
ThinkChess Tournament 6 May 2023
2023/05/06
2023/05/06
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1175.6
1171.3
Analysis
2
JMC 1 St Peters 2023 (D)
2023/03/18
2023/03/18
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
1.5
1207.6
1208.0
Analysis
1
Thinkchess Tournament 2023 (Group 2)
2023/01/28
2023/01/28
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
2
0
3
2.0
40.0
-85.0
1255.9
1170.9
White
2
1
0
1
1.0
50.0
0.0
1245.5
1245.5
Black
3
1
0
2
1.0
33.3
-141.7
1262.8
1121.2
Standard
All
5
2
0
3
2.0
40.0
-85.0
1255.9
1170.9
White
2
1
0
1
1.0
50.0
0.0
1245.5
1245.5
Black
3
1
0
2
1.0
33.3
-141.7
1262.8
1121.2
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
41
18
1
22
18.5
45.1
-41.5
1202.4
1160.9
White
19
7
0
12
7.0
36.8
-111.8
1192.3
1080.4
Black
22
11
1
10
11.5
52.3
19.3
1211.1
1230.4
Standard
All
35
16
1
18
16.5
47.1
-24.3
1209.8
1185.5
White
16
6
0
10
6.0
37.5
-106.3
1197.1
1090.8
Black
19
10
1
8
10.5
55.3
44.7
1220.5
1265.2
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
6
2
0
4
2.0
33.3
-141.7
1159.1
1017.4
White
3
1
0
2
1.0
33.3
-141.7
1166.6
1024.9
Black
3
1
0
2
1.0
33.3
-141.7
1151.7
1010.0
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1140148604
Burger, B (Benjamin)
2
0.0
0
0
2
0.0
1203.8
-425.0
778.8
View list
2
2140153397
Booi, L (Lungaka)
1
1.0
1
0
0
100.0
1175.6
425.0
1600.6
View list
3
1120153396
Benney, J (Joshua)
1
1.0
1
0
0
100.0
1167.2
425.0
1592.2
View list
4
1140148601
Bazhko, M (Mikhail)
1
1.0
1
0
0
100.0
1167.2
425.0
1592.2
View list
5
1110158072
Dlamini, M (Mnotfo)
1
1.0
1
0
0
100.0
1167.2
425.0
1592.2
View list
6
2150132175
Chinoruma, M (Maka)
1
1.0
1
0
0
100.0
1167.2
425.0
1592.2
View list
7
1120147297
Chikwava, R (Ronald)
1
1.0
1
0
0
100.0
1207.6
425.0
1632.6
View list
8
1110135545
Mohonwe, LK (Lebone Kgosi)
1
1.0
1
0
0
100.0
1167.2
425.0
1592.2
View list
9
1130154999
Gadney, L (Liam)
1
1.0
1
0
0
100.0
1199.5
425.0
1624.5
View list
10
1100158143
Morweng, D (Dyllan)
1
1.0
1
0
0
100.0
1167.2
425.0
1592.2
View list
11
1150153406
Nyezi, S (Siphelele)
1
1.0
1
0
0
100.0
1175.6
425.0
1600.6
View list
12
2140145623
Parag, A (Aadya)
1
1.0
1
0
0
100.0
1167.2
425.0
1592.2
View list
13
1130148612
Phiri, Q (Quinton)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
14
2120103543
Saretzki, H (Hallein)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
15
1110135546
Shezi, L (Luyanda)
1
1.0
1
0
0
100.0
1167.2
425.0
1592.2
View list
16
1140148614
Subroyen, J (Jeevesh)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
17
1130134055
Swart, J (Jevan)
1
1.0
1
0
0
100.0
1199.5
425.0
1624.5
View list
18
2110157320
Timol, A (Arya)
1
1.0
1
0
0
100.0
1173.2
425.0
1598.2
View list
19
1110157322
Wessels, Z (Zacree)
1
1.0
1
0
0
100.0
1173.2
425.0
1598.2
View list
20
1080152455
Anshi, K (Kumari)
1
0.5
0
1
0
50.0
1207.6
0.0
1207.6
View list