Player Page

Visser, E (Elferdo)
Dob: 1900/01/01 (Adult)
Gender: Male
Chess SA id: 1000099746
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2023/02/11 (670 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 rating1097.5
Current Weighted rating1097.5
Current Weighted performance526.1
Current official/published rating (highest between Raw, WR and WP)1097.5
Current highest rating achieved1170.8
Current floor (min rating allowed)670.8
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)±191.9
Current Raw change used (final)0.0
Projected new Raw rating1097.5
Projected new Weighed rating1009.7
Projected new Weighted performance526.1
Projected new final Raw rating (if new WP > new Raw)1097.5
Projected new highest rating1170.8
Projected new floor670.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1097.5
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 rating1083.2
Current Weighted rating1083.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1083.2
Current highest rating achieved1138.8
Current floor (min rating allowed)638.8
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)±195.8
Current Raw change used (final)0.0
Projected new Raw rating1083.2
Projected new Weighed rating996.5
Projected new Weighted performance131.5
Projected new final Raw rating (if new WP > new Raw)1083.2
Projected new highest rating1138.8
Projected new floor638.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1083.2
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 rating1140.9
Current Weighted rating1141.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1141.0
Current highest rating achieved1221.6
Current floor (min rating allowed)721.6
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)±180.4
Current Raw change used (final)0.0
Projected new Raw rating1140.9
Projected new Weighed rating1049.6
Projected new Weighted performance507.1
Projected new final Raw rating (if new WP > new Raw)1140.9
Projected new highest rating1221.6
Projected new floor721.6
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1140.9
Projected effective change (new Official - current Official)-0.1
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 Lower West Coast High Schools Prestige 2023 (U17 Boys) 2023/02/11 2023/02/11 West Coast (WCU) Rapid 30 0.60 5 5 1.0 1111.7 1180.9 Analysis
4 Onder-Weskus Top Skole 2022 (Hoerskool) 2022/06/04 2022/06/04 West Coast (WCU) Rapid 30 0.60 5 4 1.0 1128.0 1221.6 Analysis
3 Weskus Skole Prestige Skaak Kampioenskappe 2019 (O13 Seuns) 2019/03/02 2019/04/06 West Coast (WCU) Standard 60 0.83 6 6 2.0 1170.8 1138.8 Analysis
2 Onder-Weskus Skole Proewe 2019 (O13 Seuns) 2019/02/16 2019/02/23 West Coast (WCU) Rapid 30 0.60 7 7 4.0 1149.2 1200.0 Analysis
1 West Coast Schools Prestige Individual Championship 2018 (U11 Boys) 2018/03/10 2018/03/24 West Coast (WCU) Standard 60 0.83 6 4 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 26 9 0 17 9.0 34.6 -130.8 1173.6 1042.8
White 12 5 0 7 5.0 41.7 -70.8 1205.3 1134.5
Black 14 4 0 10 4.0 28.6 -182.1 1146.3 964.2
Standard All 10 3 0 7 3.0 30.0 -170.0 1106.3 936.3
White 5 1 0 4 1.0 20.0 -255.0 1207.1 952.1
Black 5 2 0 3 2.0 40.0 -85.0 1005.4 920.4
Rapid All 16 6 0 10 6.0 37.5 -106.3 1215.6 1109.4
White 7 4 0 3 4.0 57.1 60.7 1204.0 1264.7
Black 9 2 0 7 2.0 22.2 -236.1 1224.6 988.5
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 1060110180 Klein, C (Calvin) 2 0.0 0 0 2 0.0 1119.8 -425.0 694.8 View list
2 1070149730 Juries, J (Jordan) 1 1.0 1 0 0 100.0 1111.7 425.0 1536.7 View list
3 1070110158 Joubert, D (Daylin) 1 1.0 1 0 0 100.0 1149.2 425.0 1574.2 View list
4 1000099744 Klaassen, P (Pharrell) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1070110178 Klaasen, P (Pharell) 1 1.0 1 0 0 100.0 1149.2 425.0 1574.2 View list
6 1070142251 Mtila, R (Refilwe) 1 1.0 1 0 0 100.0 1128.0 425.0 1553.0 View list
7 1070110177 Le Roux, S (Stiaan) 1 1.0 1 0 0 100.0 1149.2 425.0 1574.2 View list
8 1060110169 Nieuwoudt, J (Janno) 1 1.0 1 0 0 100.0 1170.8 425.0 1595.8 View list
9 1060110574 Nel, W (Will) 1 1.0 1 0 0 100.0 1170.8 425.0 1595.8 View list
10 1070110162 Dietrich, H (Hugh) 1 1.0 1 0 0 100.0 1149.2 425.0 1574.2 View list
11 1070110576 November, T (Thurston) 1 0.0 0 0 1 0.0 1170.8 -425.0 745.8 View list
12 1070099739 Muller, J (Jayden) 1 0.0 0 0 1 0.0 1149.2 -425.0 724.2 View list
13 1060110582 Koegelenberg, D (Daniel) 1 0.0 0 0 1 0.0 1170.8 -425.0 745.8 View list
14 107077759 Mcquire, C (Craig) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
15 1060149734 Mason, Z (Zane) 1 0.0 0 0 1 0.0 1111.7 -425.0 686.7 View list
16 1070110182 Maarman, R (Royaldhino) 1 0.0 0 0 1 0.0 1149.2 -425.0 724.2 View list
17 108090548 Lewaks, S (Shaundre) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
18 107090530 Klaase, D (Devan) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
19 1060096290 Kariem, S (Shakir) 1 0.0 0 0 1 0.0 1111.7 -425.0 686.7 View list
20 1070149728 Goldschmidt, B (Byron) 1 0.0 0 0 1 0.0 1111.7 -425.0 686.7 View list