Player Page

Perry, D (David)
Dob: 2005/08/25 (U20)
Gender: Male
Chess SA id: 105047603
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2022/08/13 (832 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 rating922.1
Current Weighted rating922.1
Current Weighted performance619.4
Current official/published rating (highest between Raw, WR and WP)922.1
Current highest rating achieved949.0
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)±246.4
Current Raw change used (final)0.0
Projected new Raw rating922.1
Projected new Weighed rating848.3
Projected new Weighted performance619.4
Projected new final Raw rating (if new WP > new Raw)922.1
Projected new highest rating949.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)922.1
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 rating910.0
Current Weighted rating910.0
Current Weighted performance484.1
Current official/published rating (highest between Raw, WR and WP)910.0
Current highest rating achieved940.8
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)±250.6
Current Raw change used (final)0.0
Projected new Raw rating910.0
Projected new Weighed rating837.2
Projected new Weighted performance484.1
Projected new final Raw rating (if new WP > new Raw)910.0
Projected new highest rating940.8
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)910.0
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 rating636.7
Current Weighted rating633.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)636.7
Current highest rating achieved636.7
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)±370.0
Current Raw change used (final)0.0
Projected new Raw rating636.7
Projected new Weighed rating582.7
Projected new Weighted performance313.3
Projected new final Raw rating (if new WP > new Raw)636.7
Projected new highest rating636.7
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)636.7
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 rating525.2
Current Weighted rating525.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)525.2
Current highest rating achieved525.2
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)±433.7
Current Raw change used (final)0.0
Projected new Raw rating525.2
Projected new Weighed rating483.2
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating525.2
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)525.2
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
7 Ekurhuleni-North Schools Teams 2022 (U18) 2022/08/13 2022/08/13 Ekurhuleni (GE) Standard 60 0.83 5 4 0.0 949.0 940.8 Analysis
6 Ekurhuleni-North Schools Finals Indiv 2022 (U18 Boys) 2022/05/14 2022/05/14 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 825.7 886.0 Analysis
5 Benoni Cluster HS Individuals 2022 (U18 Boys) 2022/05/07 2022/05/07 Ekurhuleni (GE) Rapid 30 0.60 5 5 3.0 825.7 525.2 Analysis
4 2018 Gauteng League Final (U13) 2018/08/24 2018/08/24 Tshwane (GTP) Standard 60 0.83 5 5 2.0 628.8 649.6 Analysis
3 Ekurhuleni North District Schools Final 2018 (U13) 2018/08/04 2018/08/04 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 628.8 649.6 Analysis
2 2018 Gauteng Secondary Schools Individual Chess Championships (U13 Boys) 2018/05/25 2018/05/25 Tshwane (GTP) Standard 60 0.83 5 4 0.0 525.2 525.2 Analysis
1 Ekurhuleni North Schools Individuals 2018 (U13 Boys) 2018/05/12 2018/05/12 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 525.2 525.2 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 33 15 0 18 15.0 45.5 -38.6 1158.7 1120.0
White 15 5 0 10 5.0 33.3 -141.7 1176.0 1034.3
Black 18 10 0 8 10.0 55.6 47.2 1144.2 1191.4
Standard All 28 12 0 16 12.0 42.9 -60.7 1134.5 1073.8
White 13 3 0 10 3.0 23.1 -228.8 1172.3 943.4
Black 15 9 0 6 9.0 60.0 85.0 1101.7 1186.7
Rapid All 5 3 0 2 3.0 60.0 85.0 1294.1 1379.1
White 2 2 0 0 2.0 100.0 425.0 1200.0 1625.0
Black 3 1 0 2 1.0 33.3 -141.7 1356.8 1215.2
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 1000101322 Devy, M (Michael) 1 1.0 1 0 0 100.0 525.2 425.0 950.2 View list
2 1050104981 De Wet, Z (Zack) 1 1.0 1 0 0 100.0 628.8 425.0 1053.8 View list
3 1060104966 Dooms, R (Rhyzer) 1 1.0 1 0 0 100.0 628.8 425.0 1053.8 View list
4 105085039 Hanekom, D (Dylan) 1 1.0 1 0 0 100.0 628.8 425.0 1053.8 View list
5 105071239 Groenewald, L (Lehan) 1 1.0 1 0 0 100.0 525.2 425.0 950.2 View list
6 1060142819 Ezenkosi, N (Ngondwana) 1 1.0 1 0 0 100.0 825.7 425.0 1250.7 View list
7 1050142627 Katlego, M (Mofokeng) 1 1.0 1 0 0 100.0 825.7 425.0 1250.7 View list
8 1000101328 He, N (Nickson) 1 1.0 1 0 0 100.0 628.8 425.0 1053.8 View list
9 1000101302 Mashaba, L (Lesedi) 1 1.0 1 0 0 100.0 628.8 425.0 1053.8 View list
10 106093659 Lombard, C (Christoff) 1 1.0 1 0 0 100.0 628.8 425.0 1053.8 View list
11 1050142836 Moraswi, M (Mahlatse) 1 1.0 1 0 0 100.0 825.7 425.0 1250.7 View list
12 1060101312 Mohokare, I (Innocent) 1 1.0 1 0 0 100.0 525.2 425.0 950.2 View list
13 1050142595 Nelson, D (Donovan) 1 1.0 1 0 0 100.0 825.7 425.0 1250.7 View list
14 1050142597 Patterson, A (Alex) 1 1.0 1 0 0 100.0 825.7 425.0 1250.7 View list
15 1000101306 Vallaro, M (Matteo Riccardo) 1 1.0 1 0 0 100.0 525.2 425.0 950.2 View list
16 1060105214 Mqathi, C (Caleb) 1 0.0 0 0 1 0.0 628.8 -425.0 203.8 View list
17 1050142834 Mofokeng, K (Katlego) 1 0.0 0 0 1 0.0 825.7 -425.0 400.7 View list
18 1060101294 Mgimeti, N (Ndzalama Musa) 1 0.0 0 0 1 0.0 628.8 -425.0 203.8 View list
19 1030142829 Mashapa, M (Mathibela) 1 0.0 0 0 1 0.0 825.7 -425.0 400.7 View list
20 1070142792 Mashala, M (Mahlatse) 1 0.0 0 0 1 0.0 949.0 -425.0 524.0 View list