Player Page

Nelson, D (Donovan)
Dob: 2005/07/05 (U20)
Gender: Male
Chess SA id: 1050142595
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2023/05/06 (378 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
Curent Raw rating1245.6
Curent Weighted rating1251.1
Curent Weighted performance1023.8
Current official/published rating (highest between Raw, WR and WP)1251.1
Current floor (min rating allowed)777.3
Current highest rating achieved1277.3
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)±155.4
Current Raw change used (final)0.0
Projected new Raw rating1245.6
Projected new Weighed rating1250.3
Projected new Weighted performance1023.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1250.3
Projected effective change (new Official - current Official)-0.8
Projected new highest rating1277.3
Projected new floor777.3
Projected new K-facor36
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
Curent Raw rating1268.9
Curent Weighted rating1270.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1270.6
Current floor (min rating allowed)785.5
Current highest rating achieved1285.5
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)±150.3
Current Raw change used (final)0.0
Projected new Raw rating1268.9
Projected new Weighed rating1270.4
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1270.4
Projected effective change (new Official - current Official)-0.2
Projected new highest rating1285.5
Projected new floor785.5
Projected new K-facor36
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
Curent Raw rating1177.3
Curent Weighted rating1182.3
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1182.3
Current floor (min rating allowed)700.0
Current highest rating achieved1200.0
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)±171.3
Current Raw change used (final)0.0
Projected new Raw rating1177.3
Projected new Weighed rating1181.5
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1181.5
Projected effective change (new Official - current Official)-0.8
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Curent Raw rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)700.0
Current highest rating achieved1200.0
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 rating1200.0
Projected new Weighted performance
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
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
6 Benoni Cluster High School League 2023 (U19 Open) 2023/05/06 2023/05/06 Ekurhuleni (GE) Rapid 30 0.60 5 5 2.0 1267.0 1200.0 Analysis
5 Ekurhuleni Springs Open 4 March 2023 (C) 2023/03/04 2023/03/04 Ekurhuleni (GE) Standard 62 0.84 5 5 2.5 1277.3 1285.5 Analysis
4 ACB Tournament 2022 (A) 2022/10/07 2022/10/08 Ekurhuleni (GE) Standard 90 0.94 5 5 2.0 1255.0 1263.9 Analysis
3 Ekurhuleni-North Schools Teams 2022 (U18) 2022/08/13 2022/08/13 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1249.6 1259.6 Analysis
2 ACB Invitation Chess Tournament 2022 (U15) 2022/06/11 2022/06/11 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1199.5 1200.0 Analysis
1 Benoni Cluster HS Individuals 2022 (U18 Boys) 2022/05/07 2022/05/07 Ekurhuleni (GE) Rapid 30 0.60 5 5 3.0 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 30 16 1 13 16.5 55.0 42.5 1248.7 1291.2
White 16 6 1 9 6.5 40.6 -79.7 1238.2 1158.5
Black 14 10 0 4 10.0 71.4 182.1 1260.7 1442.8
Standard All 20 11 1 8 11.5 57.5 63.7 1296.0 1359.8
White 10 4 1 5 4.5 45.0 -42.5 1295.2 1252.7
Black 10 7 0 3 7.0 70.0 170.0 1296.8 1466.8
Rapid All 10 5 0 5 5.0 50.0 0.0 1154.1 1154.1
White 6 2 0 4 2.0 33.3 -141.7 1143.3 1001.6
Black 4 3 0 1 3.0 75.0 212.5 1170.3 1382.8
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 1050142632 Tshoba, A (Ayanda) 2 1.0 1 0 1 50.0 1233.5 0.0 1233.5 View list
2 1070142599 Richter, A (Adriaan) 1 1.0 1 0 0 100.0 1199.5 425.0 1624.5 View list
3 209083780 Grootboom, C (Chante) 1 1.0 1 0 0 100.0 1277.3 425.0 1702.3 View list
4 1060142626 Erasmus, D (Danton) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
5 1070097358 Bell, S (Shaune) 1 1.0 1 0 0 100.0 1199.5 425.0 1624.5 View list
6 108084071 Andrews, J (Jason) 1 1.0 1 0 0 100.0 1255.0 425.0 1680.0 View list
7 1060142628 Khoza, K (Kwanele) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
8 106093828 Pretorius, T (Theuns) 1 1.0 1 0 0 100.0 1249.6 425.0 1674.6 View list
9 1140139617 Pieterse, F (Fourie) 1 1.0 1 0 0 100.0 1255.0 425.0 1680.0 View list
10 1070116454 Luwes, M (Morne) 1 1.0 1 0 0 100.0 1267.0 425.0 1692.0 View list
11 2060144911 Mokobodi, A (Annah) 1 1.0 1 0 0 100.0 1249.6 425.0 1674.6 View list
12 1060144909 Moabelo, K (Kgadisho) 1 1.0 1 0 0 100.0 1249.6 425.0 1674.6 View list
13 105081204 Sebogoane, KC (Kgwerano Covenant) 1 1.0 1 0 0 100.0 1199.5 425.0 1624.5 View list
14 1070139635 Tshikila, S (Sothando) 1 1.0 1 0 0 100.0 1267.0 425.0 1692.0 View list
15 1050139604 White, R (Ricardo) 1 1.0 1 0 0 100.0 1199.5 425.0 1624.5 View list
16 2080113546 Ziervogel, K (Keira) 1 1.0 1 0 0 100.0 1277.3 425.0 1702.3 View list
17 2060133808 Mafinya, T (Thama) 1 0.5 0 1 0 50.0 1277.3 0.0 1277.3 View list
18 1070144880 Schneider, J (Joshua) 1 0.0 0 0 1 0.0 1267.0 -425.0 842.0 View list
19 1050101305 Reynolds, B (Bradley Paul) 1 0.0 0 0 1 0.0 1249.6 -425.0 824.6 View list
20 105047603 Perry, D (David) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list