Player Page

Macdonald, I (Ian)
Dob: 2009/01/12 (U16)
Gender: Male
Chess SA id: 109066921
FIDE id:
Region: Ehlanzeni (MEN)
Citizen: RSA
Title(s):
Last active: 2023/02/11 (464 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 rating1349.5
Curent Weighted rating1350.7
Curent Weighted performance1058.8
Current official/published rating (highest between Raw, WR and WP)1350.7
Current floor (min rating allowed)860.1
Current highest rating achieved1360.1
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)±134.0
Current Raw change used (final)0.0
Projected new Raw rating1349.5
Projected new Weighed rating1350.5
Projected new Weighted performance1058.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1350.5
Projected effective change (new Official - current Official)-0.2
Projected new highest rating1360.1
Projected new floor860.1
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 rating1359.3
Curent Weighted rating1361.1
Curent Weighted performance1058.6
Current official/published rating (highest between Raw, WR and WP)1361.1
Current floor (min rating allowed)874.8
Current highest rating achieved1374.8
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)±132.1
Current Raw change used (final)0.0
Projected new Raw rating1359.3
Projected new Weighed rating1360.7
Projected new Weighted performance1058.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1360.7
Projected effective change (new Official - current Official)-0.3
Projected new highest rating1374.8
Projected new floor874.8
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 rating772.2
Curent Weighted rating772.2
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)772.2
Current floor (min rating allowed)500.0
Current highest rating achieved772.2
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)±305.0
Current Raw change used (final)0.0
Projected new Raw rating772.2
Projected new Weighed rating772.2
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)772.2
Projected effective change (new Official - current Official)=0.0
Projected new highest rating772.2
Projected new floor500.0
Projected new K-facor40
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 rating798.6
Curent Weighted rating798.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)798.6
Current floor (min rating allowed)500.0
Current highest rating achieved798.6
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)±293.8
Current Raw change used (final)0.0
Projected new Raw rating798.6
Projected new Weighed rating798.6
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)798.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating798.6
Projected new floor500.0
Projected new K-facor40
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
22 Penryn Chess Tournament 2023 (U16) 2023/02/11 2023/02/11 Ehlanzeni (MEN) Standard 63 0.84 5 5 3.0 1360.1 1374.8 Analysis
21 White River Primary 2022 (U14) 2022/07/30 2022/07/30 Ehlanzeni (MEN) Standard 62 0.84 5 5 4.0 1332.3 1342.0 Analysis
20 Uplands Chess Tournament 2022 (U14) 2022/02/26 2022/02/26 Ehlanzeni (MEN) Standard 62 0.84 5 5 4.0 1301.8 1307.1 Analysis
19 Chess Unlimited 1 2021 (U14) 2021/10/23 2021/10/23 Ehlanzeni (MEN) Standard 61 0.83 5 5 5.0 1236.7 1228.3 Analysis
18 Chess Unlimited Leap Year Tournament 2020 (A) 2020/02/29 2020/02/29 Ehlanzeni (MEN) Standard 70 0.87 5 3 1.0 1264.3 1258.9 Analysis
17 2019 South African Junior Team Championships (U12A) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 2.0 1308.9 1304.6 Analysis
16 Barberton Primary 2019 (U12) 2019/07/27 2019/07/27 Ehlanzeni (MEN) Standard 63 0.84 5 5 4.5 1120.4 1108.1 Analysis
15 Ehlanzeni Open 2019 (C) 2019/07/20 2019/07/20 Ehlanzeni (MEN) Standard 60 0.83 5 5 1.5 1120.4 1108.1 Analysis
14 De Goede Top 10 2019 (U12) 2019/07/03 2019/07/03 Ehlanzeni (MEN) Standard 60 0.83 5 5 4.0 1120.4 1108.1 Analysis
13 Rob Ferreira 2019 (B) 2019/04/06 2019/04/06 Ehlanzeni (MEN) Standard 63 0.84 5 5 2.5 1148.0 1141.3 Analysis
12 Penryn Age Open 2019 (U12) 2019/02/09 2019/02/09 Ehlanzeni (MEN) Standard 63 0.84 5 5 4.0 1055.0 1049.4 Analysis
11 South African Junior Team Championships 2018 (U10C) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 4.5 1043.4 1045.4 Analysis
10 De Goede Top 20 Closed 2018 (U10 Open) 2018/08/18 2018/08/18 Ehlanzeni (MEN) Standard 60 0.83 5 5 3.5 984.5 990.0 Analysis
9 Lowveld Open 2018 (B) 2018/07/28 2018/07/28 Ehlanzeni (MEN) Standard 63 0.84 5 5 1.5 983.5 988.0 Analysis
8 Malelane Primary 2018 (U10 Open) 2018/07/21 2018/07/21 Ehlanzeni (MEN) Standard 63 0.84 5 5 3.5 983.5 988.0 Analysis
7 Curro Age Open 2018 (U8+U10 Open) 2018/05/12 2018/05/12 Ehlanzeni (MEN) Standard 63 0.84 5 5 3.0 992.4 926.2 Analysis
6 Penryn Age Open 2018 (U8+U10) 2018/04/21 2018/04/21 Ehlanzeni (MEN) Standard 63 0.84 5 5 5.0 782.0 779.0 Analysis
5 Rob Ferreira Hoerskool Open 2018 (A) 2018/03/17 2018/03/17 Ehlanzeni (MEN) Standard 63 0.84 5 1 0.0 785.0 780.2 Analysis
4 Rob Ferreira Hoerskool Open 2018 (B) 2018/03/17 2018/03/17 Ehlanzeni (MEN) Standard 63 0.84 5 4 2.0 785.0 780.2 Analysis
3 Uplands College Open (A) 2018/03/03 2018/03/03 Ehlanzeni (MEN) Standard 63 0.84 5 5 1.0 785.0 780.2 Analysis
12
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 126 70 15 41 77.5 61.5 97.8 1075.1 1172.9
White 62 33 8 21 37.0 59.7 82.3 1073.1 1155.3
Black 64 37 7 20 40.5 63.3 112.9 1077.0 1189.9
Standard All 119 66 15 38 73.5 61.8 100.0 1092.0 1192.0
White 59 31 8 20 35.0 59.3 79.2 1088.8 1168.0
Black 60 35 7 18 38.5 64.2 120.4 1095.2 1215.7
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 7 4 0 3 4.0 57.1 60.7 786.5 847.2
White 3 2 0 1 2.0 66.7 141.7 764.4 906.1
Black 4 2 0 2 2.0 50.0 0.0 803.1 803.1
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 109066919 Grobler, Z (Zander) 8 7.0 6 2 0 87.5 1135.5 318.8 1454.2 View list
2 110087575 Ogunjiofor, CJ (Chinedu Jeremy) 5 3.0 3 0 2 60.0 1114.1 85.0 1199.1 View list
3 210087580 Pauer, M (Mieke) 4 3.5 3 1 0 87.5 1001.6 318.8 1320.3 View list
4 109084374 Naidoo, J (Jasbir) 4 2.0 1 2 1 50.0 1066.9 0.0 1066.9 View list
5 1090097902 Nhlabathi, L (Lesedi) 3 3.0 3 0 0 100.0 1075.1 425.0 1500.1 View list
6 209089639 Van Dyk, M (Mia) 3 1.0 1 0 2 33.3 1215.1 -141.7 1073.5 View list
7 108089644 Onwusaka, L (Lucky) 3 1.0 0 2 1 33.3 941.2 -141.7 799.5 View list
8 1080116960 Botha, K (Keagan) 2 2.0 2 0 0 100.0 1120.4 425.0 1545.4 View list
9 1120116950 Lombard, R (Roan) 2 2.0 2 0 0 100.0 1120.4 425.0 1545.4 View list
10 1090108283 Maseko, L (Lindokuhle) 2 2.0 2 0 0 100.0 1120.4 425.0 1545.4 View list
11 1080100253 Pilani, G (Gregory) 2 2.0 2 0 0 100.0 1120.4 425.0 1545.4 View list
12 1100109316 Sankar, R (Rahil) 2 2.0 2 0 0 100.0 1145.8 425.0 1570.8 View list
13 2100097908 Van Den Bergh, M (Mieke) 2 2.0 2 0 0 100.0 984.0 425.0 1409.0 View list
14 206055418 Van Heerden, D (Dante) 2 2.0 2 0 0 100.0 1120.4 425.0 1545.4 View list
15 109087570 Van Veenhuyzen, U (Ude) 2 2.0 2 0 0 100.0 887.2 425.0 1312.2 View list
16 107080604 Dube, O (Olwethu) 2 1.0 0 2 0 50.0 1120.4 0.0 1120.4 View list
17 1080116957 Nxumalo, T (Tawanda) 2 1.0 0 2 0 50.0 1120.4 0.0 1120.4 View list
18 202060319 Iyman, J (Jaelene) 2 0.0 0 0 2 0.0 884.3 -425.0 459.3 View list
19 1040108265 Gama, A (Ayanda) 2 0.0 0 0 2 0.0 1120.4 -425.0 695.4 View list
20 105065730 Le Roux, RG (Ruben) 2 0.0 0 0 2 0.0 1120.4 -425.0 695.4 View list