Player Page

Boshoff, E (Ernst)
Dob: 1977/04/17 (Adult)
Gender: Male
Chess SA id: 1770144450
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2023/03/14 (471 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 rating1318.4
Current Weighted rating976.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1318.4
Current highest rating achieved1318.4
Current floor (min rating allowed)818.4
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)±140.1
Current Raw change used (final)0.0
Projected new Raw rating1318.4
Projected new Weighed rating908.3
Projected new Weighted performance952.6
Projected new final Raw rating (if new WP > new Raw)1318.4
Projected new highest rating1318.4
Projected new floor818.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1318.4
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 rating1309.9
Current Weighted rating941.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1309.9
Current highest rating achieved1309.9
Current floor (min rating allowed)809.9
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)±141.8
Current Raw change used (final)0.0
Projected new Raw rating1309.9
Projected new Weighed rating877.3
Projected new Weighted performance606.5
Projected new final Raw rating (if new WP > new Raw)1309.9
Projected new highest rating1309.9
Projected new floor809.9
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1309.9
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 rating817.3
Current Weighted rating681.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)817.3
Current highest rating achieved817.3
Current floor (min rating allowed)500.0
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)±286.0
Current Raw change used (final)0.0
Projected new Raw rating817.3
Projected new Weighed rating630.4
Projected new Weighted performance391.6
Projected new final Raw rating (if new WP > new Raw)817.3
Projected new highest rating817.3
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)817.3
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 rating659.2
Current Weighted rating618.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)659.2
Current highest rating achieved659.2
Current floor (min rating allowed)500.0
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)±358.3
Current Raw change used (final)0.0
Projected new Raw rating659.2
Projected new Weighed rating569.9
Projected new Weighted performance337.8
Projected new final Raw rating (if new WP > new Raw)659.2
Projected new highest rating659.2
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)659.2
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
5 Randburg New Year Swiss 2023 2023/01/31 2023/03/14 Johannesburg Metro (GJM) Standard 90 0.94 7 2 1.0 694.0 638.0 Analysis
4 Randburg Summer Swiss 2022 2022/10/25 2022/12/06 Johannesburg Metro (GJM) Standard 90 0.94 7 4 1.0 657.2 598.8 Analysis
3 Randburg Spring Rapid 2022 2022/09/20 2022/09/27 Johannesburg Metro (GJM) Rapid 25 0.54 6 3 2.0 521.3 500.0 Analysis
2 JMC Blitz Open 8 August 2022 (A) 2022/08/08 2022/08/08 Johannesburg Metro (GJM) Blitz 5 0.18 9 8 3.0 500.0 500.0 Analysis
1 Randburg Club Championships Swiss 2022 2022/07/19 2022/09/06 Johannesburg Metro (GJM) Standard 90 0.94 7 7 2.5 521.3 500.0 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 9 1 14 9.5 39.6 -88.5 1454.5 1365.9
White 11 3 0 8 3.0 27.3 -193.2 1508.4 1315.2
Black 13 6 1 6 6.5 50.0 0.0 1408.8 1408.8
Standard All 13 4 1 8 4.5 34.6 -130.8 1489.3 1358.5
White 6 1 0 5 1.0 16.7 -283.3 1542.0 1258.6
Black 7 3 1 3 3.5 50.0 0.0 1444.1 1444.1
Rapid All 3 2 0 1 2.0 66.7 141.7 1362.2 1503.9
White 1 1 0 0 1.0 100.0 425.0 1200.0 1625.0
Black 2 1 0 1 1.0 50.0 0.0 1443.3 1443.3
Blitz All 8 3 0 5 3.0 37.5 -106.3 1432.5 1326.3
White 4 1 0 3 1.0 25.0 -212.5 1535.3 1322.8
Black 4 2 0 2 2.0 50.0 0.0 1329.8 1329.8
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1670097020 Molema, W (Warner) 2 2.0 2 0 0 100.0 589.3 425.0 1014.3 View list
2 1820144451 Kathan, P (Prakash) 2 1.0 1 0 1 50.0 589.3 0.0 589.3 View list
3 155022650 Mendelsohn, DC (David) 2 0.0 0 0 2 0.0 589.3 -425.0 164.3 View list
4 163015814 Kleyn, AE (Andrew) 2 0.0 0 0 2 0.0 607.6 -425.0 182.6 View list
5 1060146866 Kandengwa, M (Moses) 1 1.0 1 0 0 100.0 521.3 425.0 946.3 View list
6 157033194 Savage, NR (Neil) 1 1.0 1 0 0 100.0 521.3 425.0 946.3 View list
7 1130116883 Tak, R (Rannveer) 1 1.0 1 0 0 100.0 694.0 425.0 1119.0 View list
8 170035526 Snyckers, FA (Frank) 1 0.5 0 1 0 50.0 521.3 0.0 521.3 View list
9 158022721 Metcalfe, AR (Allister) 1 0.0 0 0 1 0.0 521.3 -425.0 96.3 View list
10 181011771 Hangelbroek, P (Peter) 1 0.0 0 0 1 0.0 657.2 -425.0 232.2 View list
11 179057929 Essop, H (Haroon) 1 0.0 0 0 1 0.0 521.3 -425.0 96.3 View list
12 159008414 Durow, NL (Neil) 1 0.0 0 0 1 0.0 521.3 -425.0 96.3 View list