Player Page

De Koker, R (Rigardt)
Dob: 2015/10/28 (U10)
Gender: Male
Chess SA id: 1150149226
FIDE id:
Region: West Rand (GWR)
Citizen: RSA
Title(s):
Last active: 2023/08/05 (324 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 rating1118.3
Current Weighted rating1127.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1127.7
Current highest rating achieved1135.6
Current floor (min rating allowed)635.6
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)±186.3
Current Raw change used (final)0.0
Projected new Raw rating1118.3
Projected new Weighed rating1036.2
Projected new Weighted performance861.7
Projected new final Raw rating (if new WP > new Raw)1118.3
Projected new highest rating1135.6
Projected new floor635.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1118.3
Projected effective change (new Official - current Official)-9.4
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 rating1110.0
Current Weighted rating1119.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1119.1
Current highest rating achieved1122.4
Current floor (min rating allowed)622.4
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)±188.5
Current Raw change used (final)0.0
Projected new Raw rating1110.0
Projected new Weighed rating1028.1
Projected new Weighted performance861.7
Projected new final Raw rating (if new WP > new Raw)1110.0
Projected new highest rating1122.4
Projected new floor622.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1110.0
Projected effective change (new Official - current Official)-9.1
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
4 West Rand at Bastion 2023 (U10) 2023/08/05 2023/08/05 West Rand (GWR) Standard 60 0.83 5 5 2.0 1113.7 1099.6 Analysis
3 2023 West Rand RHS Open (U10) 2023/06/10 2023/06/10 West Rand (GWR) Standard 60 0.83 5 5 1.5 1135.6 1122.4 Analysis
2 WR Tournament and Coaching 2023 (U10) 2023/02/25 2023/02/25 West Rand (GWR) Standard 60 0.83 5 5 1.0 1200.0 1200.0 Analysis
1 2023 West Rand Open (U10) 2023/02/04 2023/02/04 West Rand (GWR) Standard 60 0.83 5 5 1.5 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 20 5 2 13 6.0 30.0 -170.0 1228.9 1058.9
White 10 3 0 7 3.0 30.0 -170.0 1247.8 1077.8
Black 10 2 2 6 3.0 30.0 -170.0 1210.1 1040.1
Standard All 20 5 2 13 6.0 30.0 -170.0 1228.9 1058.9
White 10 3 0 7 3.0 30.0 -170.0 1247.8 1077.8
Black 10 2 2 6 3.0 30.0 -170.0 1210.1 1040.1
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 1140139675 Naidoo, J (James) 2 0.0 0 0 2 0.0 1200.0 -425.0 775.0 View list
2 2140157466 Mangqayi, B (Busisiwe) 1 1.0 1 0 0 100.0 1135.6 425.0 1560.6 View list
3 1140149235 Van Wyk, N (Nihann) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 1150159299 Roux, M (Marelie) 1 1.0 1 0 0 100.0 1113.7 425.0 1538.7 View list
5 1140156381 Nxumalo, T (Thando Amohelang) 1 1.0 1 0 0 100.0 1113.7 425.0 1538.7 View list
6 2140149233 Madi, N (Noleen) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 1150149230 Kamffer, J (John-Andrew) 1 0.5 0 1 0 50.0 1135.6 0.0 1135.6 View list
8 1150149232 Le Roux, K (Keano) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
9 2150156385 Vis, K (Katlego) 1 0.0 0 0 1 0.0 1113.7 -425.0 688.7 View list
10 1150157468 Ninham, G (Grant) 1 0.0 0 0 1 0.0 1113.7 -425.0 688.7 View list
11 1140156376 Mlambo, M (Mbulelo Ntsako) 1 0.0 0 0 1 0.0 1135.6 -425.0 710.6 View list
12 1140136180 Malikebu, S (Solomzi) 1 0.0 0 0 1 0.0 1113.7 -425.0 688.7 View list
13 1140154497 Machine, K (Kwezi) 1 0.0 0 0 1 0.0 1135.6 -425.0 710.6 View list
14 1150149231 Laubscher, D (Declan) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
15 1150149229 Jordaan, L (Louryn) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
16 2150156373 Erasmus, S (Sonja) 1 0.0 0 0 1 0.0 1135.6 -425.0 710.6 View list
17 1140149225 Coetzer, L (Logan) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
18 1150149223 Botha, AZ (Adriaan Zander) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
19 1140150821 Balkison, S (Sebastian) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list