Player Page

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
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 rating1195.1
Current Weighted rating1194.6
Current Weighted performance1028.7
Current official/published rating (highest between Raw, WR and WP)1195.1
Current highest rating achieved1207.6
Current floor (min rating allowed)707.6
Current K-factor36
Games played this month0
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 rating1195.1
Projected new Weighed rating1099.0
Projected new Weighted performance1028.7
Projected new final Raw rating (if new WP > new Raw)1195.1
Projected new highest rating1207.6
Projected new floor707.6
Projected new K-facor36
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 rating1205.5
Current Weighted rating1202.6
Current Weighted performance1094.0
Current official/published rating (highest between Raw, WR and WP)1205.5
Current highest rating achieved1212.3
Current floor (min rating allowed)712.3
Current K-factor36
Games played this month0
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 rating1205.5
Projected new Weighed rating1106.5
Projected new Weighted performance1094.0
Projected new final Raw rating (if new WP > new Raw)1205.5
Projected new highest rating1212.3
Projected new floor712.3
Projected new K-facor36
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
s
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
Games played this month0
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 rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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 rating1118.0
Current Weighted rating1139.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1139.3
Current highest rating achieved1118.0
Current floor (min rating allowed)618.0
Current K-factor40
Games played this month0
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 rating1118.0
Projected new Weighed rating1046.6
Projected new Weighted performance300.6
Projected new final Raw rating (if new WP > new Raw)1118.0
Projected new highest rating1118.0
Projected new floor618.0
Projected new K-facor40
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
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
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
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
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
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 idNameGamesScoreWinsDrawsLosses%AorDpPerformView
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