Player Page

De Koker, C (Christiaan)
Dob: 2010/05/12 (U16)
Gender: Male
Chess SA id: 110087167
FIDE id:
Region: Sedibeng (GSV)
Citizen: RSA
Title(s):
Last active: 2022/04/23 (795 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 rating1095.3
Current Weighted rating1095.3
Current Weighted performance519.3
Current official/published rating (highest between Raw, WR and WP)1095.3
Current highest rating achieved1165.4
Current floor (min rating allowed)665.4
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)±192.5
Current Raw change used (final)0.0
Projected new Raw rating1095.3
Projected new Weighed rating1007.7
Projected new Weighted performance519.3
Projected new final Raw rating (if new WP > new Raw)1095.3
Projected new highest rating1165.4
Projected new floor665.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1095.3
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 rating1077.2
Current Weighted rating1077.2
Current Weighted performance519.3
Current official/published rating (highest between Raw, WR and WP)1077.2
Current highest rating achieved1160.8
Current floor (min rating allowed)660.8
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)±197.5
Current Raw change used (final)0.0
Projected new Raw rating1077.2
Projected new Weighed rating991.0
Projected new Weighted performance519.3
Projected new final Raw rating (if new WP > new Raw)1077.2
Projected new highest rating1160.8
Projected new floor660.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1077.2
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 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
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
5 Dirk De Koster Chess Open 2022 (D) 2022/04/23 2022/04/23 Ekurhuleni (GE) Standard 61 0.83 5 4 1.5 1098.3 1078.0 Analysis
4 LS Voorwaarts & Dr P Hangelbroek Chess Open 2019 (E) 2019/08/31 2019/08/31 Sedibeng (GSV) Standard 61 0.83 5 5 2.0 1165.4 1160.8 Analysis
3 D7 Primary School League 2019 (U9) 2019/08/03 2019/08/03 Sedibeng (GSV) Standard 60 0.83 5 5 1.5 1165.4 1160.8 Analysis
2 D7 Individuals 2019 (U9 Boys) 2019/05/04 2019/05/04 Sedibeng (GSV) Standard 60 0.83 5 5 3.0 1133.9 1120.4 Analysis
1 D7 Individual 2018 (U9 Boys) 2018/02/24 2018/02/24 Sedibeng (GSV) Standard 61 0.83 5 5 1.0 1200.0 1200.0 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 24 8 2 14 9.0 37.5 -106.3 1142.7 1036.4
White 12 4 1 7 4.5 37.5 -106.3 1182.1 1075.8
Black 12 4 1 7 4.5 37.5 -106.3 1103.3 997.0
Standard All 24 8 2 14 9.0 37.5 -106.3 1142.7 1036.4
White 12 4 1 7 4.5 37.5 -106.3 1182.1 1075.8
Black 12 4 1 7 4.5 37.5 -106.3 1103.3 997.0
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 210082952 Van Biljon, J (Jessica) 2 0.0 0 0 2 0.0 1165.4 -425.0 740.4 View list
2 111087168 Cronje, E (Emile) 2 0.0 0 0 2 0.0 1167.0 -425.0 742.0 View list
3 1130113595 Bannerman, J (Jared) 1 1.0 1 0 0 100.0 1165.4 425.0 1590.4 View list
4 1110113682 Gloy, B (Bryan) 1 1.0 1 0 0 100.0 1165.4 425.0 1590.4 View list
5 1100113673 Smit, R (Rynhardt) 1 1.0 1 0 0 100.0 1133.9 425.0 1558.9 View list
6 1100097413 Richards, S (Samuel) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 2110118607 Raath, M (Meghan-Mari) 1 1.0 1 0 0 100.0 1165.4 425.0 1590.4 View list
8 1110111869 Kriel, I (Ivan) 1 1.0 1 0 0 100.0 1133.9 425.0 1558.9 View list
9 2110139838 Klein, K (Kelly) 1 1.0 1 0 0 100.0 1098.3 425.0 1523.3 View list
10 1100113669 Vorster, K (Kian) 1 1.0 1 0 0 100.0 1133.9 425.0 1558.9 View list
11 2120133676 Smith, MI (Melea Ine) 1 0.5 0 1 0 50.0 1098.3 0.0 1098.3 View list
12 1100116896 Maseloane, T (Tshepang) 1 0.5 0 1 0 50.0 1165.4 0.0 1165.4 View list
13 2130130082 Van Zyl, K (Kiera) 1 0.0 0 0 1 0.0 1098.3 -425.0 673.3 View list
14 110093070 Van Der Westhuizen, J (Janu) 1 0.0 0 0 1 0.0 1165.4 -425.0 740.4 View list
15 1100139840 Smith, KE (Kaiden Elljay) 1 0.0 0 0 1 0.0 1098.3 -425.0 673.3 View list
16 1090097407 Karsten, K (Keagan) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
17 1090097412 Posthumus, E (Ethan) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
18 1110118604 Gebharch, R (Rudolph) 1 0.0 0 0 1 0.0 1165.4 -425.0 740.4 View list
19 110093068 De Rouwe, ED (Eckhard) 1 0.0 0 0 1 0.0 1133.9 -425.0 708.9 View list
20 1120103521 De Lange, H (Henro) 1 0.0 0 0 1 0.0 1165.4 -425.0 740.4 View list