Player Page

Dreyer, A (Arnold)
Dob: 1954/11/13 (Adult)
Gender: Male
Chess SA id: 1540116377
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2024/03/17 (123 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 rating1116.5
Current Weighted rating1132.5
Current Weighted performance841.0
Current official/published rating (highest between Raw, WR and WP)1132.5
Current highest rating achieved1183.5
Current floor (min rating allowed)683.5
Current K-factor40
Games played this month-4
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)±186.8
Current Raw change used (final)0.0
Projected new Raw rating1116.5
Projected new Weighed rating1041.1
Projected new Weighted performance841.0
Projected new final Raw rating (if new WP > new Raw)1116.5
Projected new highest rating1183.5
Projected new floor683.5
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1116.5
Projected effective change (new Official - current Official)-16.0
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 rating1158.8
Current Weighted rating1159.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1159.2
Current highest rating achieved1158.8
Current floor (min rating allowed)658.8
Current K-factor40
Games played this month-4
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)±175.8
Current Raw change used (final)0.0
Projected new Raw rating1158.8
Projected new Weighed rating1066.2
Projected new Weighted performance269.5
Projected new final Raw rating (if new WP > new Raw)1158.8
Projected new highest rating1158.8
Projected new floor658.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1158.8
Projected effective change (new Official - current Official)-0.4
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 rating1026.8
Current Weighted rating1063.1
Current Weighted performance848.5
Current official/published rating (highest between Raw, WR and WP)1063.1
Current highest rating achieved1159.6
Current floor (min rating allowed)659.6
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)±212.2
Current Raw change used (final)0.0
Projected new Raw rating1026.8
Projected new Weighed rating976.4
Projected new Weighted performance848.5
Projected new final Raw rating (if new WP > new Raw)1026.8
Projected new highest rating1159.6
Projected new floor659.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1026.8
Projected effective change (new Official - current Official)-36.3
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 rating1300.0
Current Weighted rating1249.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1300.0
Current highest rating achieved1300.0
Current floor (min rating allowed)800.0
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)±143.8
Current Raw change used (final)0.0
Projected new Raw rating1300.0
Projected new Weighed rating1150.7
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1300.0
Projected new floor800.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1300.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 Cape Town Open Chess Championship 2024 (Intermediate) 2024/03/16 2024/03/17 Cape Town (WCT) Standard 70 0.87 6 0 0.0 1116.5 1158.8 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
7 Cape Town Open Chess Championship 2024 (Intermediate) 2024/03/16 2024/03/17 Cape Town (WCT) Standard 70 0.87 6 0 0.0 1116.5 1158.8 Analysis
6 Rylib Summer Slam 2023 (Intermediate) 2023/12/12 2023/12/12 Cape Town (WCT) Rapid 20 0.47 6 6 1.0 1139.6 1076.0 Analysis
5 Rylib Chess Winter Slam 2023 (B) 2023/07/06 2023/07/06 Cape Town (WCT) Rapid 20 0.47 6 5 0.0 1175.7 1159.6 Analysis
4 Cape Town Open 2023 (Rapid) 2023/03/26 2023/03/26 Cape Town (WCT) Rapid 25 0.54 6 6 3.5 1146.8 1112.4 Analysis
3 2022 Western Province Club League (D) 2022/08/27 2022/10/01 Cape Town (WCT) Standard 70 0.87 7 5 2.0 1175.0 1200.0 Analysis
2 Summer Slam 2021 (Open) 2021/12/13 2021/12/13 Cape Town (WCT) Rapid 20 0.47 7 7 3.0 1183.5 1130.0 Analysis
1 2019 Rylands Library Winter Slam (Intermediate) 2019/06/27 2019/06/27 Cape Town (WCT) Rapid 15 0.39 6 6 2.0 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 35 11 1 23 11.5 32.9 -145.7 1219.2 1073.5
White 19 5 1 13 5.5 28.9 -178.9 1227.1 1048.2
Black 16 6 0 10 6.0 37.5 -106.3 1209.7 1103.5
Standard All 5 2 0 3 2.0 40.0 -85.0 1127.7 1042.7
White 3 2 0 1 2.0 66.7 141.7 1205.8 1347.5
Black 2 0 0 2 0.0 0.0 -425.0 1010.5 585.5
Rapid All 30 9 1 20 9.5 31.7 -155.8 1234.4 1078.6
White 16 3 1 12 3.5 21.9 -239.1 1231.1 992.0
Black 14 6 0 8 6.0 42.9 -60.7 1238.2 1177.5
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 170029755 Peters, V (Vanchasco) 2 0.0 0 0 2 0.0 1157.7 -425.0 732.7 View list
2 1030116379 Gallant, K (Kelvin) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 1610116378 Jansen, B (Bernard) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 2100109062 Mayekiso, A (Amila) 1 1.0 1 0 0 100.0 1183.5 425.0 1608.5 View list
5 106089499 Macilikishe, A (Ayabulela) 1 1.0 1 0 0 100.0 1139.6 425.0 1564.6 View list
6 2100138820 Liu, A (Ava) 1 1.0 1 0 0 100.0 1175.0 425.0 1600.0 View list
7 1090146165 Calitz, Z (Zandre) 1 1.0 1 0 0 100.0 1146.8 425.0 1571.8 View list
8 2130137739 Fani, K (Khazimla) 1 1.0 1 0 0 100.0 1175.0 425.0 1600.0 View list
9 1090136267 Nduneni, S (Smamkele Jack) 1 1.0 1 0 0 100.0 1183.5 425.0 1608.5 View list
10 2100130572 Sikweza, B (Busisiwe) 1 1.0 1 0 0 100.0 1183.5 425.0 1608.5 View list
11 1790147713 Van Wyk, P (Pierre) 1 1.0 1 0 0 100.0 1146.8 425.0 1571.8 View list
12 109077360 Van Wyk, W (Will) 1 1.0 1 0 0 100.0 1146.8 425.0 1571.8 View list
13 1080152878 Doidge, D (Daniel) 1 0.5 0 1 0 50.0 1146.8 0.0 1146.8 View list
14 207090602 Fani, Z (Zimi) 1 0.0 0 0 1 0.0 1183.5 -425.0 758.5 View list
15 107085509 Li, T (Traynor) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
16 1070100457 Jamjam, I (Inga) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
17 195095767 Hartley, E (Ebraheem) 1 0.0 0 0 1 0.0 1139.6 -425.0 714.6 View list
18 207090606 Gcuze, K (Khanya) 1 0.0 0 0 1 0.0 1175.0 -425.0 750.0 View list
19 1030096594 Dlamini, N (Njabulo) 1 0.0 0 0 1 0.0 1139.6 -425.0 714.6 View list
20 203061331 Cupido, E (Esmarie) 1 0.0 0 0 1 0.0 1175.0 -425.0 750.0 View list