Player Page

Ackerman, J (Joshua)
Dob: 2008/12/12 (U18)
Gender: Male
Chess SA id: 1080301060
FIDE id:
Region: West Rand (GWR)
Citizen: RSA
Title(s):
Last active: 2024/10/12 (59 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 rating1199.7
Current Weighted rating1195.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1199.7
Current highest rating achieved1222.7
Current floor (min rating allowed)722.7
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)±165.9
Current Raw change used (final)0.0
Projected new Raw rating1199.7
Projected new Weighed rating1099.8
Projected new Weighted performance1068.3
Projected new final Raw rating (if new WP > new Raw)1199.7
Projected new highest rating1222.7
Projected new floor722.7
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1199.7
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 rating1201.5
Current Weighted rating1195.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1201.5
Current highest rating achieved1227.4
Current floor (min rating allowed)727.4
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)±165.5
Current Raw change used (final)0.0
Projected new Raw rating1201.5
Projected new Weighed rating1099.7
Projected new Weighted performance1068.3
Projected new final Raw rating (if new WP > new Raw)1201.5
Projected new highest rating1227.4
Projected new floor727.4
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1201.5
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved0.0
Current floor (min rating allowed)700.0
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)±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 rating0.0
Projected new floor700.0
Projected new K-facor40
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
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 achieved0.0
Current floor (min rating allowed)700.0
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)±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 rating0.0
Projected new floor700.0
Projected new K-facor40
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
4 2024 West Rand Closed (U18) 2024/10/12 2024/10/12 West Rand (GWR) Standard 60 0.83 5 4 0.5 1222.7 1227.4 Analysis
3 2024 West Rand Trials (U18) 2024/09/07 2024/09/07 West Rand (GWR) Standard 60 0.83 5 5 2.0 1220.6 1225.6 Analysis
2 2024 West Rand Rappies Open (Bishops) 2024/08/03 2024/08/03 West Rand (GWR) Standard 60 0.83 5 5 4.0 1174.8 1171.2 Analysis
1 2024 West Rand Juniors (U18) 2024/03/09 2024/03/09 West Rand (GWR) Standard 60 0.83 5 4 1.5 1200.0 1200.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 2024 West Rand Closed (U18) 2024/10/12 2024/10/12 West Rand (GWR) Standard 60 0.83 5 4 0.5 1222.7 1227.4 Analysis
3 2024 West Rand Trials (U18) 2024/09/07 2024/09/07 West Rand (GWR) Standard 60 0.83 5 5 2.0 1220.6 1225.6 Analysis
2 2024 West Rand Rappies Open (Bishops) 2024/08/03 2024/08/03 West Rand (GWR) Standard 60 0.83 5 5 4.0 1174.8 1171.2 Analysis
1 2024 West Rand Juniors (U18) 2024/03/09 2024/03/09 West Rand (GWR) Standard 60 0.83 5 4 1.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 18 7 2 9 8.0 44.4 -47.2 1255.2 1208.0
White 11 5 0 6 5.0 45.5 -38.6 1275.3 1236.7
Black 7 2 2 3 3.0 42.9 -60.7 1223.6 1162.8
Standard All 18 7 2 9 8.0 44.4 -47.2 1255.2 1208.0
White 11 5 0 6 5.0 45.5 -38.6 1275.3 1236.7
Black 7 2 2 3 3.0 42.9 -60.7 1223.6 1162.8
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 18 7 2 9 8.0 44.4 -47.2 1255.2 1208.0
White 11 5 0 6 5.0 45.5 -38.6 1275.3 1236.7
Black 7 2 2 3 3.0 42.9 -60.7 1223.6 1162.8
Standard All 18 7 2 9 8.0 44.4 -47.2 1255.2 1208.0
White 11 5 0 6 5.0 45.5 -38.6 1275.3 1236.7
Black 7 2 2 3 3.0 42.9 -60.7 1223.6 1162.8
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 1070161905 Idehen, M (Michael) 2 0.0 0 0 2 0.0 1221.7 -425.0 796.7 View list
2 1080310917 Bokoro, E (Emmanuel) 1 1.0 1 0 0 100.0 1220.6 425.0 1645.6 View list
3 1120157475 Van Vollenhoven, R (Reuben Francois) 1 1.0 1 0 0 100.0 1174.8 425.0 1599.8 View list
4 1080301065 Sibeko, N (Njabulo Kamogelo) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1080308357 Mashile, T (Tshiamo) 1 1.0 1 0 0 100.0 1174.8 425.0 1599.8 View list
6 1120149246 Le Roux, D (Dihan) 1 1.0 1 0 0 100.0 1174.8 425.0 1599.8 View list
7 2110136695 Keepilwe, O (Ofentse Victoria) 1 1.0 1 0 0 100.0 1174.8 425.0 1599.8 View list
8 1080310919 Gething, C (Cameron) 1 1.0 1 0 0 100.0 1220.6 425.0 1645.6 View list
9 1080146379 Moraka, L (Lesego) 1 0.5 0 1 0 50.0 1222.7 0.0 1222.7 View list
10 208078743 Rankin, L (Lara) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
11 1070136214 Visi, M (Moloko) 1 0.0 0 0 1 0.0 1222.7 -425.0 797.7 View list
12 1070140271 Ngobeni, N (Ntumbuluko) 1 0.0 0 0 1 0.0 1220.6 -425.0 795.6 View list
13 1070301063 Morobe, N (Nhlakanipho Thato) 1 0.0 0 0 1 0.0 1222.7 -425.0 797.7 View list
14 2080136707 Mojaki, T (Tshegofatso) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
15 207083539 Mnguni, A (Atlegang) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
16 2110149257 Fourie, C (Caitlin) 1 0.0 0 0 1 0.0 1174.8 -425.0 749.8 View list
17 1080161893 Ilunga, G (Gradi) 1 0.0 0 0 1 0.0 1220.6 -425.0 795.6 View list