Player Page

Van Der Walt, AJ (Antonie)
Dob: 2010/08/26 (U16)
Gender: Male
Chess SA id: 110089426
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2023/07/29 (321 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 rating1101.9
Current Weighted rating1102.7
Current Weighted performance849.7
Current official/published rating (highest between Raw, WR and WP)1102.7
Current highest rating achieved1120.5
Current floor (min rating allowed)620.5
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)±190.7
Current Raw change used (final)0.0
Projected new Raw rating1101.9
Projected new Weighed rating1014.6
Projected new Weighted performance849.7
Projected new final Raw rating (if new WP > new Raw)1101.9
Projected new highest rating1120.5
Projected new floor620.5
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1101.9
Projected effective change (new Official - current Official)-0.8
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 rating1064.2
Current Weighted rating1062.7
Current Weighted performance766.4
Current official/published rating (highest between Raw, WR and WP)1064.2
Current highest rating achieved1081.4
Current floor (min rating allowed)581.4
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)±201.2
Current Raw change used (final)0.0
Projected new Raw rating1064.2
Projected new Weighed rating978.0
Projected new Weighted performance766.4
Projected new final Raw rating (if new WP > new Raw)1064.2
Projected new highest rating1081.4
Projected new floor581.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1064.2
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 rating1186.7
Current Weighted rating1186.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1186.7
Current highest rating achieved1231.0
Current floor (min rating allowed)731.0
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)±169.0
Current Raw change used (final)0.0
Projected new Raw rating1186.7
Projected new Weighed rating1091.8
Projected new Weighted performance474.5
Projected new final Raw rating (if new WP > new Raw)1186.7
Projected new highest rating1231.0
Projected new floor731.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1186.7
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
20 2023 Tshwane South School District CLOSED League Championship (U13) 2023/07/29 2023/07/29 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1120.5 1081.4 Analysis
19 2023 Tshwane South School District CLOSED Individual Championships (U13 Open) 2023/04/22 2023/04/22 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1093.6 1041.4 Analysis
18 D4 Individuals 2022 (U13 Open) 2022/04/23 2022/04/23 Tshwane (GTP) Rapid 30 0.60 7 7 3.5 1063.8 1231.0 Analysis
17 2020 Registration Tournament (D) 2020/01/25 2020/01/25 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1073.8 1051.4 Analysis
16 2019 D4 Tshwane South Schools League Team Finals (U9) 2019/07/27 2019/07/27 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1048.7 1005.4 Analysis
15 2019 Menlo Open (D) 2019/07/13 2019/07/13 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1048.7 1005.4 Analysis
14 2019 Super 12 Laerskole (Juniors) 2019/05/04 2019/05/04 Tshwane (GTP) Rapid 30 0.60 5 5 3.0 1014.0 1221.6 Analysis
13 2019 D4 Individual Finals (U9 Mixed) 2019/03/09 2019/03/09 Tshwane (GTP) Standard 60 0.83 5 5 3.0 893.4 863.8 Analysis
12 2019 TuksChess Open (C) 2019/02/23 2019/02/23 Tshwane (GTP) Standard 60 0.83 5 5 1.5 885.1 846.6 Analysis
11 2019 Tshwane Chess Registration Tournament (D) 2019/01/26 2019/01/26 Tshwane (GTP) Standard 60 0.83 5 5 2.5 880.8 834.2 Analysis
10 South African Junior Team Championships 2018 (U10C) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 6 2.5 933.3 876.2 Analysis
9 2018 Tshwane Inter Region (U10F) 2018/12/01 2018/12/01 Cape Town (WCT) Standard 60 0.83 5 5 1.0 933.3 876.2 Analysis
8 2018 Etienne Lewis Trials (U10 Boys) 2018/08/31 2018/09/02 Tshwane (GTP) Standard 120 1.00 7 6 1.0 994.5 921.4 Analysis
7 2018 Menlo Open Chess Tournament (D) 2018/07/21 2018/07/21 Tshwane (GTP) Standard 60 0.83 5 4 2.0 960.7 906.6 Analysis
6 2018 Swartkop Open (E) 2018/06/23 2018/06/23 Tshwane (GTP) Standard 60 0.83 5 4 1.5 940.1 868.6 Analysis
5 2018 Super 12 (Junior) 2018/05/05 2018/05/05 Tshwane (GTP) Rapid 30 0.60 5 5 3.0 882.3 1200.0 Analysis
4 2018 Crawford Open (D) 2018/03/24 2018/03/24 Tshwane (GTP) Standard 60 0.83 5 5 1.5 1034.2 1034.2 Analysis
3 2018 Waterkloof Open (E) 2018/03/03 2018/03/04 Tshwane (GTP) Standard 90 0.94 5 4 0.0 1034.2 1034.2 Analysis
2 2018 Blou Bul Open (D) 2018/02/17 2018/02/17 Tshwane (GTP) Standard 60 0.83 5 5 0.0 1200.0 1200.0 Analysis
1 2018 Constantia Park Open (D) 2018/02/10 2018/02/10 Tshwane (GTP) Standard 60 0.83 5 5 0.0 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 101 31 9 61 35.5 35.1 -126.2 1085.8 959.6
White 54 22 4 28 24.0 44.4 -47.2 1112.0 1064.8
Black 47 9 5 33 11.5 24.5 -217.0 1055.8 838.8
Standard All 84 22 8 54 26.0 31.0 -161.9 1065.5 903.6
White 45 17 4 24 19.0 42.2 -66.1 1095.5 1029.4
Black 39 5 4 30 7.0 17.9 -272.4 1030.9 758.4
Rapid All 17 9 1 7 9.5 55.9 50.0 1186.5 1236.5
White 9 5 0 4 5.0 55.6 47.2 1194.5 1241.7
Black 8 4 1 3 4.5 56.3 53.1 1177.5 1230.6
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 1100096766 Du Preez, J (Julian) 3 1.0 1 0 2 33.3 946.8 -141.7 805.1 View list
2 109085207 Nel, H (Henco) 2 1.5 1 1 0 75.0 957.5 212.5 1170.0 View list
3 110095324 Venter, D (Dian) 2 1.5 1 1 0 75.0 983.8 212.5 1196.3 View list
4 109076152 Friedrich, R (Ruhan) 2 0.0 0 0 2 0.0 1066.7 -425.0 641.7 View list
5 209073138 Johnstone, J (Jessica) 2 0.0 0 0 2 0.0 959.7 -425.0 534.7 View list
6 1110114768 Le Roux, D (Daniel) 2 0.0 0 0 2 0.0 1084.6 -425.0 659.6 View list
7 109095317 Olivier, BM (Barnard) 2 0.0 0 0 2 0.0 1136.9 -425.0 711.9 View list
8 109092649 Webb, K (Kagan) 2 0.0 0 0 2 0.0 1097.3 -425.0 672.3 View list
9 207066856 Coetzee, M (Mariska) 1 1.0 1 0 0 100.0 1073.8 425.0 1498.8 View list
10 109076153 De Jager, J (Jacques) 1 1.0 1 0 0 100.0 1048.7 425.0 1473.7 View list
11 110082679 De Bruin, CL (Charl Louis) 1 1.0 1 0 0 100.0 994.5 425.0 1419.5 View list
12 205086770 Dvir, J (Jordan) 1 1.0 1 0 0 100.0 960.7 425.0 1385.7 View list
13 109085214 Ernst, AJ (Alex Johan) 1 1.0 1 0 0 100.0 1014.0 425.0 1439.0 View list
14 107079669 Fuhri, R (Ruben) 1 1.0 1 0 0 100.0 1048.7 425.0 1473.7 View list
15 2090100661 Kunene, D (Duduzile) 1 1.0 1 0 0 100.0 933.3 425.0 1358.3 View list
16 1110099550 Le Roux, D (Divan) 1 1.0 1 0 0 100.0 882.3 425.0 1307.3 View list
17 1100131212 Makgotlwe, P (Phenyo) 1 1.0 1 0 0 100.0 1063.8 425.0 1488.8 View list
18 2100101026 Marx, J (Jana) 1 1.0 1 0 0 100.0 882.3 425.0 1307.3 View list
19 2060108330 Mokone, O (Oratile) 1 1.0 1 0 0 100.0 880.8 425.0 1305.8 View list
20 2080105770 Moodley, DD (Dhivya Dhanam) 1 1.0 1 0 0 100.0 880.8 425.0 1305.8 View list