Player Page

Koch, A (Aidan)
Dob: 2005/12/21 (U20)
Gender: Male
Chess SA id: 205075040
FIDE id:
Region: Eden (WEG)
Citizen: RSA
Title(s):
Last active: 2019/02/23 (1950 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 rating820.9
Current Weighted rating820.9
Current Weighted performance244.2
Current official/published rating (highest between Raw, WR and WP)820.9
Current highest rating achieved820.9
Current floor (min rating allowed)500.0
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)±284.6
Current Raw change used (final)0.0
Projected new Raw rating820.9
Projected new Weighed rating755.2
Projected new Weighted performance244.2
Projected new final Raw rating (if new WP > new Raw)820.9
Projected new highest rating820.9
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)820.9
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 rating821.0
Current Weighted rating821.0
Current Weighted performance244.2
Current official/published rating (highest between Raw, WR and WP)821.0
Current highest rating achieved821.0
Current floor (min rating allowed)500.0
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)±284.5
Current Raw change used (final)0.0
Projected new Raw rating821.0
Projected new Weighed rating755.3
Projected new Weighted performance244.2
Projected new final Raw rating (if new WP > new Raw)821.0
Projected new highest rating821.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)821.0
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 rating526.0
Current Weighted rating526.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)526.0
Current highest rating achieved526.0
Current floor (min rating allowed)500.0
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)±433.2
Current Raw change used (final)0.0
Projected new Raw rating526.0
Projected new Weighed rating483.9
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating526.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)526.0
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 rating526.0
Current Weighted rating526.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)526.0
Current highest rating achieved526.0
Current floor (min rating allowed)500.0
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)±433.2
Current Raw change used (final)0.0
Projected new Raw rating526.0
Projected new Weighed rating483.9
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating526.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)526.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
5 George Trials 3 2019 (U16) 2019/02/23 2019/02/23 Eden District (WEG) Standard 60 0.83 5 3 1.0 639.2 662.8 Analysis
4 George Trials 2 2019 (U16) 2019/02/09 2019/02/09 Eden District (WEG) Standard 60 0.83 5 5 2.0 639.2 662.8 Analysis
3 George Trails 3 2018 (U14) 2018/02/24 2018/02/24 Eden District (WEG) Standard 60 0.83 5 5 2.0 553.2 558.8 Analysis
2 George Trails 2 2018 (U14) 2018/02/10 2018/02/10 Eden District (WEG) Standard 60 0.83 5 5 2.0 553.2 558.8 Analysis
1 George Trails 1 2018 (U14) 2018/01/27 2018/01/27 Eden District (WEG) Standard 60 0.83 5 5 2.5 526.0 526.0 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 23 9 1 13 9.5 41.3 -73.9 906.0 832.1
White 12 8 1 3 8.5 70.8 177.1 935.1 1112.2
Black 11 1 0 10 1.0 9.1 -347.7 874.1 526.4
Standard All 23 9 1 13 9.5 41.3 -73.9 906.0 832.1
White 12 8 1 3 8.5 70.8 177.1 935.1 1112.2
Black 11 1 0 10 1.0 9.1 -347.7 874.1 526.4
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 105086122 Opperman, A (Aaron) 2 2.0 2 0 0 100.0 582.6 425.0 1007.6 View list
2 1060096221 Tre, J (Juries) 2 2.0 2 0 0 100.0 539.6 425.0 964.6 View list
3 105086109 Saal, M (Migael) 2 0.0 0 0 2 0.0 639.2 -425.0 214.2 View list
4 1050096213 Kyd, T (Troy) 1 1.0 1 0 0 100.0 553.2 425.0 978.2 View list
5 104089271 Dreyer, W (Waldo) 1 1.0 1 0 0 100.0 639.2 425.0 1064.2 View list
6 2060096222 Lutsch, E (Emma) 1 1.0 1 0 0 100.0 553.2 425.0 978.2 View list
7 205061385 Lubbe, L (Lanique) 1 1.0 1 0 0 100.0 553.2 425.0 978.2 View list
8 2050108205 Van Tonder, K (Kiara) 1 1.0 1 0 0 100.0 639.2 425.0 1064.2 View list
9 206086105 Combrinck, J (Jomari) 1 0.5 0 1 0 50.0 526.0 0.0 526.0 View list
10 105054159 Volschenk, H (Hennie) 1 0.0 0 0 1 0.0 639.2 -425.0 214.2 View list
11 1060096220 Van Zyl, I (Izak) 1 0.0 0 0 1 0.0 553.2 -425.0 128.2 View list
12 104055454 Van Der Merwe, P (Petrie) 1 0.0 0 0 1 0.0 639.2 -425.0 214.2 View list
13 206052362 Spangenberg, C (Cherise) 1 0.0 0 0 1 0.0 553.2 -425.0 128.2 View list
14 106061679 Sheldon, A (Ackim) 1 0.0 0 0 1 0.0 553.2 -425.0 128.2 View list
15 106072992 Olivier, J (Josh) 1 0.0 0 0 1 0.0 553.2 -425.0 128.2 View list
16 204075220 Muller, J (Janke) 1 0.0 0 0 1 0.0 639.2 -425.0 214.2 View list
17 106061672 Maritz, H (Hanno) 1 0.0 0 0 1 0.0 553.2 -425.0 128.2 View list
18 105048744 Maralack, J (Joshua) 1 0.0 0 0 1 0.0 526.0 -425.0 101.0 View list
19 106086419 Le Roux, N (Nicolaas) 1 0.0 0 0 1 0.0 553.2 -425.0 128.2 View list
20 105054129 Daniels, M (Muhammed) 1 0.0 0 0 1 0.0 526.0 -425.0 101.0 View list