Player Page

Diederiks, J (Jaco)
Dob: 1963/05/27 (Adult)
Gender: Male
Chess SA id: 163093184
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2024/06/08 (169 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 rating1396.4
Current Weighted rating1336.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1396.4
Current highest rating achieved1396.4
Current floor (min rating allowed)896.4
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)±125.3
Current Raw change used (final)0.0
Projected new Raw rating1396.4
Projected new Weighed rating1232.2
Projected new Weighted performance542.8
Projected new final Raw rating (if new WP > new Raw)1396.4
Projected new highest rating1396.4
Projected new floor896.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1396.4
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 rating1407.2
Current Weighted rating1340.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1407.2
Current highest rating achieved1407.2
Current floor (min rating allowed)907.2
Current K-factor32
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)±123.4
Current Raw change used (final)0.0
Projected new Raw rating1407.2
Projected new Weighed rating1236.3
Projected new Weighted performance542.8
Projected new final Raw rating (if new WP > new Raw)1407.2
Projected new highest rating1407.2
Projected new floor907.2
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1407.2
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 rating1300.0
Current Weighted rating1269.7
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 rating1170.0
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
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 rating1269.7
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 rating1170.0
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 FIDE in the West 2024 (Open) 2024/06/08 2024/06/08 West Rand (GWR) Standard 60 0.83 5 5 3.0 1368.0 1368.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
2 FIDE in the West 2024 (Open) 2024/06/08 2024/06/08 West Rand (GWR) Standard 60 0.83 5 5 3.0 1368.0 1368.0 Analysis
1 Randburg Club - Summer Swiss 2018 2018/01/30 2018/03/13 Johannesburg Metro (GJM) Standard 90 0.94 7 6 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 1447.0 1532.0
White 2 2 0 0 2.0 100.0 425.0 1139.1 1564.1
Black 3 1 0 2 1.0 33.3 -141.7 1652.3 1510.6
Standard All 5 3 0 2 3.0 60.0 85.0 1447.0 1532.0
White 2 2 0 0 2.0 100.0 425.0 1139.1 1564.1
Black 3 1 0 2 1.0 33.3 -141.7 1652.3 1510.6
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 11 5 0 6 5.0 45.5 -38.6 1515.8 1477.1
White 5 3 0 2 3.0 60.0 85.0 1317.7 1402.7
Black 6 2 0 4 2.0 33.3 -141.7 1680.8 1539.1
Standard All 11 5 0 6 5.0 45.5 -38.6 1515.8 1477.1
White 5 3 0 2 3.0 60.0 85.0 1317.7 1402.7
Black 6 2 0 4 2.0 33.3 -141.7 1680.8 1539.1
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 102003821 Buckland, IP (Ivan) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 1010148075 Hennings, B (Bevan) 1 1.0 1 0 0 100.0 1368.0 425.0 1793.0 View list
3 290024364 Molao, R (Rethabile) 1 1.0 1 0 0 100.0 1368.0 425.0 1793.0 View list
4 102072832 Snyckers, A (Adam) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1100148730 Nkabinde, L (Lwazi) 1 1.0 1 0 0 100.0 1368.0 425.0 1793.0 View list
6 107089122 Msebenzi, V (Vusumzi) 1 0.0 0 0 1 0.0 1368.0 -425.0 943.0 View list
7 105050597 Lefyedi, T (Thatego) 1 0.0 0 0 1 0.0 1368.0 -425.0 943.0 View list
8 163015814 Kleyn, AE (Andrew) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
9 174009090 Essop, R (Rashied) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
10 179057929 Essop, H (Haroon) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
11 194002691 Bornheim, C (Craig) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list