Player Page

Collison, D (David)
Dob: 2006/07/22 (U20)
Gender: Male
Chess SA id: 1060096530
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2023/02/04 (468 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
Curent Raw rating890.1
Curent Weighted rating882.0
Curent Weighted performance663.2
Current official/published rating (highest between Raw, WR and WP)890.1
Current floor (min rating allowed)500.0
Current highest rating achieved890.1
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)±257.9
Current Raw change used (final)0.0
Projected new Raw rating890.1
Projected new Weighed rating883.7
Projected new Weighted performance663.2
Projected new official/published rating (highest between new Raw, new WR and new WP)890.1
Projected effective change (new Official - current Official)=0.0
Projected new highest rating890.1
Projected new floor500.0
Projected new K-facor40
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 rating941.6
Curent Weighted rating933.6
Curent Weighted performance658.4
Current official/published rating (highest between Raw, WR and WP)941.6
Current floor (min rating allowed)500.0
Current highest rating achieved941.6
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)±239.6
Current Raw change used (final)0.0
Projected new Raw rating941.6
Projected new Weighed rating935.4
Projected new Weighted performance658.4
Projected new official/published rating (highest between new Raw, new WR and new WP)941.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating941.6
Projected new floor500.0
Projected new K-facor40
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 rating540.0
Curent Weighted rating540.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)540.0
Current floor (min rating allowed)500.0
Current highest rating achieved540.0
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)±424.6
Current Raw change used (final)0.0
Projected new Raw rating540.0
Projected new Weighed rating540.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)540.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating540.0
Projected new floor500.0
Projected new K-facor40
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 rating540.0
Curent Weighted rating540.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)540.0
Current floor (min rating allowed)500.0
Current highest rating achieved540.0
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)±424.6
Current Raw change used (final)0.0
Projected new Raw rating540.0
Projected new Weighed rating540.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)540.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating540.0
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
8 Central District School Trials 2023 (U17 Boys) 2023/02/03 2023/02/04 Cape Town (WCT) Standard 60 0.83 6 5 2.0 828.4 874.8 Analysis
7 2020 Metro Trials (U15 Boys) 2020/03/13 2020/03/14 Cape Town (WCT) Standard 60 0.83 5 5 2.0 767.0 804.4 Analysis
6 2020 Central District (U15) 2020/02/07 2020/02/08 Cape Town (WCT) Standard 60 0.83 6 6 3.0 670.4 692.0 Analysis
5 2019 Western Province League (C) 2019/07/27 2019/09/07 Cape Town (WCT) Standard 120 1.00 11 1 0.0 670.8 692.4 Analysis
4 2018 Western Province League (E) 2018/08/04 2018/09/15 Cape Town (WCT) Standard 60 0.83 7 3 0.5 660.8 683.6 Analysis
3 2018 WP Schools Closed Trials (U13 Boys) 2018/03/09 2018/03/10 Cape Town (WCT) Standard 60 0.83 6 5 1.0 637.6 657.6 Analysis
2 District East Schools Chess Open Trials 2018 (U13) 2018/02/02 2018/02/03 Cape Town (WCT) Standard 60 0.83 6 1 0.0 540.0 540.0 Analysis
1 WP District South 2018 (U13) 2018/02/01 2018/02/02 Cape Town (WCT) Standard 60 0.83 6 5 3.0 540.0 540.0 Analysis
Game 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 31 11 1 19 11.5 37.1 -109.7 1215.6 1105.9
White 15 6 1 8 6.5 43.3 -56.7 1172.1 1115.4
Black 16 5 0 11 5.0 31.3 -159.4 1256.4 1097.0
Standard All 31 11 1 19 11.5 37.1 -109.7 1215.6 1105.9
White 15 6 1 8 6.5 43.3 -56.7 1172.1 1115.4
Black 16 5 0 11 5.0 31.3 -159.4 1256.4 1097.0
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 105088266 Van Tonder, K (Kian) 2 1.0 1 0 1 50.0 588.8 0.0 588.8 View list
2 2050096404 Mqikela, K (Kamvalethu) 2 0.0 0 0 2 0.0 600.4 -425.0 175.4 View list
3 1060150616 Liebenberg, S (Skylar) 1 1.0 1 0 0 100.0 828.4 425.0 1253.4 View list
4 1060096399 Mentoor, M (Micah) 1 1.0 1 0 0 100.0 540.0 425.0 965.0 View list
5 1060130956 Harneker, Z (Zuhayr) 1 1.0 1 0 0 100.0 670.4 425.0 1095.4 View list
6 2060096428 Engel, E (Emily) 1 1.0 1 0 0 100.0 540.0 425.0 965.0 View list
7 1060133291 Davids, S (Shakeer) 1 1.0 1 0 0 100.0 767.0 425.0 1192.0 View list
8 1070150610 Clark, A (Ameer) 1 1.0 1 0 0 100.0 828.4 425.0 1253.4 View list
9 2060108409 Chaka, N (Nokutenda) 1 1.0 1 0 0 100.0 670.4 425.0 1095.4 View list
10 2050096422 Hove, C (Chichi) 1 1.0 1 0 0 100.0 540.0 425.0 965.0 View list
11 1060110713 Pheiffers, G (Gary) 1 1.0 1 0 0 100.0 767.0 425.0 1192.0 View list
12 205053371 Yacoob, A (Ameera) 1 1.0 1 0 0 100.0 670.4 425.0 1095.4 View list
13 1030100460 Hartzenberg, L (Luciano) 1 0.5 0 1 0 50.0 660.8 0.0 660.8 View list
14 106051730 Perkins, R (Ryan) 1 0.0 0 0 1 0.0 637.6 -425.0 212.6 View list
15 181029501 Paulse, AL (Angelo) 1 0.0 0 0 1 0.0 670.8 -425.0 245.8 View list
16 1050108039 Mnyasta, C (Charlton) 1 0.0 0 0 1 0.0 767.0 -425.0 342.0 View list
17 106089505 Mchontsi, A (Ayabonga) 1 0.0 0 0 1 0.0 828.4 -425.0 403.4 View list
18 1060150618 Marsh, A (Aiden) 1 0.0 0 0 1 0.0 828.4 -425.0 403.4 View list
19 106053758 Lombard, WS (Waide) 1 0.0 0 0 1 0.0 637.6 -425.0 212.6 View list
20 105083544 Joubert, K (Keegan) 1 0.0 0 0 1 0.0 540.0 -425.0 115.0 View list