Player Page

Foster, D (Derek)
Dob: 2012/01/31 (U14)
Gender: Male
Chess SA id: 1120160157
FIDE id:
Region: Mangaung (FMB)
Citizen: RSA
Title(s):
Last active: 2024/04/13 (168 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 rating1193.7
Current Weighted rating1194.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1194.5
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)±167.3
Current Raw change used (final)0.0
Projected new Raw rating1193.7
Projected new Weighed rating1098.8
Projected new Weighted performance618.3
Projected new final Raw rating (if new WP > new Raw)1193.7
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)1193.7
Projected effective change (new Official - current Official)-0.8
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 rating1193.2
Current Weighted rating1197.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1197.5
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)±167.4
Current Raw change used (final)0.0
Projected new Raw rating1193.2
Projected new Weighed rating1101.6
Projected new Weighted performance378.4
Projected new final Raw rating (if new WP > new Raw)1193.2
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)1193.2
Projected effective change (new Official - current Official)-4.3
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 rating1183.4
Current Weighted rating1186.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1186.4
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)±169.8
Current Raw change used (final)0.0
Projected new Raw rating1183.4
Projected new Weighed rating1091.2
Projected new Weighted performance315.7
Projected new final Raw rating (if new WP > new Raw)1183.4
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)1183.4
Projected effective change (new Official - current Official)-3.0
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.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 Mangaung Metro Chess 12-13 April 2024 (C+D) 2024/04/12 2024/04/13 Mangaung (FMB) Standard 62 0.84 5 5 3.0 1192.8 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
2 Mangaung Metro Chess 12-13 April 2024 (C+D) 2024/04/12 2024/04/13 Mangaung (FMB) Standard 62 0.84 5 5 3.0 1192.8 1200.0 Analysis
1 August Primary School Chess Festival 2023 (Grade 6+7 B) 2023/08/04 2023/08/04 Mangaung (FMB) Rapid 15 0.39 5 5 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 5 3 0 2 3.0 60.0 85.0 1119.5 1204.5
White 3 1 0 2 1.0 33.3 -141.7 1124.1 982.4
Black 2 2 0 0 2.0 100.0 425.0 1112.5 1537.5
Standard All 5 3 0 2 3.0 60.0 85.0 1119.5 1204.5
White 3 1 0 2 1.0 33.3 -141.7 1124.1 982.4
Black 2 2 0 0 2.0 100.0 425.0 1112.5 1537.5
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 10 5 0 5 5.0 50.0 0.0 1155.5 1155.5
White 5 1 0 4 1.0 20.0 -255.0 1146.0 891.0
Black 5 4 0 1 4.0 80.0 255.0 1165.0 1420.0
Standard All 5 3 0 2 3.0 60.0 85.0 1119.5 1204.5
White 3 1 0 2 1.0 33.3 -141.7 1124.1 982.4
Black 2 2 0 0 2.0 100.0 425.0 1112.5 1537.5
Rapid All 5 2 0 3 2.0 40.0 -85.0 1191.6 1106.6
White 2 0 0 2 0.0 0.0 -425.0 1179.0 754.0
Black 3 2 0 1 2.0 66.7 141.7 1200.0 1341.7
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 1110160168 Mofutsanyana, M (Mpumelelo) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 2120146865 Mcpherson, L (Lilly) 1 1.0 1 0 0 100.0 1192.8 425.0 1617.8 View list
3 2140148594 Matiki, T (Thandeka) 1 1.0 1 0 0 100.0 1192.8 425.0 1617.8 View list
4 1120130045 Du Toit, C (Calem) 1 1.0 1 0 0 100.0 1192.8 425.0 1617.8 View list
5 1110160153 Chabangu, L (Lethabo) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 1110160183 Uwakwe, C (Chibueze) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
7 1090160182 Tromp, D (Daniel) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
8 1110145473 Mokhachane, K (Kgalalelo) 1 0.0 0 0 1 0.0 1192.8 -425.0 767.8 View list
9 110086186 Boje, E (Ewald) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
10 1110111849 Maritz, J (Jandre) 1 0.0 0 0 1 0.0 1192.8 -425.0 767.8 View list