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Ian Macdonald

109066921
Ehlanzeni (MEN)
Personal
Main rating
Rating 1436.3
K-factor 32
Floor 936.3
Highest 1436.3 (2025-06-01)
Min/Max +/- allowed 118
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1224.9
Final +/- 0
New Rating
()
Rating 1436.3
K-factor 32
Floor 936.3
Highest 1436.3 (2025-06-01)
Min/Max +/- allowed 118.4
Standard rating
Rating 1459.7
K-factor 32
Floor 959.7
Highest 1459.7 (2025-06-01)
Min/Max +/- allowed 114.5
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1224.9
Final +/- 0
New Rating
()
Rating 1459.7
K-factor 32
Floor 959.7
Highest 1459.7 (2025-06-01)
Min/Max +/- allowed 114.5
Rapid rating
Rating 772.2
K-factor 40
Floor 500
Highest 1200 (2024-02-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 772.2
K-factor 40
Floor 500
Highest 1200 (2024-02-01)
Min/Max +/- allowed 165.8
Blitz rating
Rating 798.6
K-factor 40
Floor 500
Highest 1200 (2024-11-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 798.6
K-factor 40
Floor 500
Highest 1200 (2024-11-01)
Min/Max +/- allowed 165.8
Rating Graph
Tournaments
No tournaments found.
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Curro Open Chess Tournament 2025 (U20) Standard 2025-05-10 2025-05-10 Ehlanzeni (MEN) 5 1403.3 5 4.5 1620.4 0 Details
2 2024 Chess Unlimited Invitational (Section 4) Standard 2024-07-06 2024-07-06 Ehlanzeni (MEN) 5 1349.5 5 4 1644 0 Details
3 Penryn Chess Tournament 2023 (U16) Standard 2023-02-11 2023-02-11 Ehlanzeni (MEN) 5 1360.1 5 3 1291 0 Details
4 White River Primary 2022 (U14) Standard 2022-07-30 2022-07-30 Ehlanzeni (MEN) 5 1332.3 5 4 1481.4 0 Details
5 Uplands Chess Tournament 2022 (U14) Standard 2022-02-26 2022-02-26 Ehlanzeni (MEN) 5 1301.8 5 4 1466.4 0 Details
6 Chess Unlimited 1 2021 (U14) Standard 2021-10-23 2021-10-23 Ehlanzeni (MEN) 5 1236.7 5 5 1599.8 0 Details
7 Chess Unlimited Leap Year Tournament 2020 (A) Standard 2020-02-29 2020-02-29 Ehlanzeni (MEN) 5 1264.3 3 1 1002.8 0 Details
8 2019 South African Junior Team Championships (U12A) Classical 2020-01-04 2020-01-08 4 Knights (4K) 7 1308.9 7 2 1152.7 0 Details
9 Ehlanzeni Open 2019 (C) Standard 2019-07-20 2019-07-20 Ehlanzeni (MEN) 5 1120.4 5 1.5 1047.9 0 Details
10 De Goede Top 10 2019 (U12) Standard 2019-07-03 2019-07-03 Ehlanzeni (MEN) 5 1120.4 5 4 1461.8 0 Details
11 Barberton Primary 2019 (U12) Standard 2019-07-27 2019-07-27 Ehlanzeni (MEN) 5 1120.4 5 4.5 1567.6 0 Details
12 Rob Ferreira 2019 (B) Standard 2019-04-06 2019-04-06 Ehlanzeni (MEN) 5 1148 5 2.5 1014.1 0 Details
13 Penryn Age Open 2019 (U12) Standard 2019-02-09 2019-02-09 Ehlanzeni (MEN) 5 1055 5 4 1430.3 0 Details
14 South African Junior Team Championships 2018 (U10C) Classical 2018-12-16 2018-12-20 4 Knights (4K) 7 1043.4 7 4.5 1083.7 0 Details
15 De Goede Top 20 Closed 2018 (U10 Open) Standard 2018-08-18 2018-08-18 Ehlanzeni (MEN) 5 984.5 5 3.5 1210.8 0 Details
16 Malelane Primary 2018 (U10 Open) Standard 2018-07-21 2018-07-21 Ehlanzeni (MEN) 5 983.5 5 3.5 1247.4 0 Details
17 Lowveld Open 2018 (B) Standard 2018-07-28 2018-07-28 Ehlanzeni (MEN) 5 983.5 5 1.5 727.1 0 Details
18 Curro Age Open 2018 (U8+U10 Open) Standard 2018-05-12 2018-05-12 Ehlanzeni (MEN) 5 992.4 5 3 889.2 0 Details
19 Penryn Age Open 2018 (U8+U10) Standard 2018-04-21 2018-04-21 Ehlanzeni (MEN) 5 782 5 5 1418.5 0 Details
20 Uplands College Open (A) Standard 2018-03-03 2018-03-03 Ehlanzeni (MEN) 5 785 5 1 797.1 0 Details
21 Rob Ferreira Hoerskool Open 2018 (A) Standard 2018-03-17 2018-03-17 Ehlanzeni (MEN) 5 785 1 0 611.2 0 Details
22 Rob Ferreira Hoerskool Open 2018 (B) Standard 2018-03-17 2018-03-17 Ehlanzeni (MEN) 5 785 4 2 834 0 Details
23 South African Junior Blitz 2017 Championships (B) Blitz 2018-01-07 2018-01-07 4 Knights (4K) 7 772.2 7 4 847.2 0 Details
24 South African Junior Team Championships 2017 (U10C) Classical 2018-01-04 2018-01-08 4 Knights (4K) 7 772.2 7 4 800.3 0 Details
25 Lowveld Open Tournament 2017 (B) Standard 2017-08-26 2017-08-26 Ehlanzeni (MEN) 5 628 5 4.5 975 0 Details
26 De Goede Top 20 Age Tournament 2017 (U8+U10) Standard 2017-08-19 2017-08-19 Ehlanzeni (MEN) 5 628 5 4 864 0 Details
27 Malelane Open Tournament 2017 (B) Standard 2017-07-29 2017-07-29 Ehlanzeni (MEN) 5 628 5 3 684 0 Details
28 Penryn Open Tournament 2017 (B) Standard 2017-06-24 2017-06-24 Ehlanzeni (MEN) 5 628 5 4.5 979 0 Details
29 Tut Open Tournament 2017 (B) Standard 2017-06-03 2017-06-03 Ehlanzeni (MEN) 5 697 5 1.5 500 0 Details
30 Komatipoort Open Tournament 2017 (B) Standard 2017-05-13 2017-05-13 Ehlanzeni (MEN) 5 631 5 2.5 719 0 Details
31 Curro Open Age Tournament 2017 (U8+U10 M) Standard 2017-05-06 2017-05-06 Ehlanzeni (MEN) 5 631 5 3 800 0 Details
32 Sabie Open 2017 (B) Standard 2017-03-11 2017-03-11 Ehlanzeni (MEN) 5 639 5 2 618 0 Details
33 Rob Ferreira Open 2017 (B) Standard 2017-02-25 2017-02-25 Ehlanzeni (MEN) 5 635 5 3 647 0 Details
34 South African Junior Team Championships 2016 (U8 B) Classical 2016-12-16 2016-12-19 Tshwane (GTP) 7 616 7 6 711 0 Details
35 Lowveld Open 2016 (C) Standard 2016-09-10 2016-09-10 Ehlanzeni (MEN) 6 591 6 3 508 0 Details
36 De Goede Closed Age 2016 (U8) Standard 2016-08-13 2016-08-13 Ehlanzeni (MEN) 5 591 5 5 825 0 Details
37 Malelane Primary Abc Open 2016 (B Boys) Standard 2016-07-30 2016-07-30 Ehlanzeni (MEN) 5 537 5 3 646 0 Details
38 Laerskool Lydenburg Abc Open 2016 (B Boys) Standard 2016-07-23 2016-07-23 Ehlanzeni (MEN) 5 537 5 3 616 0 Details
39 White River Open 2016 (U10 Boys) Standard 2016-06-04 2016-06-04 Ehlanzeni (MEN) 5 481 5 3 719 0 Details
40 Curro Abc Open 2016 (B Open) Standard 2016-05-07 2016-05-07 Ehlanzeni (MEN) 5 467 4 2 539 0 Details
41 Sabie Abc Open 2016 (B) Standard 2016-03-12 2016-03-12 Ehlanzeni (MEN) 5 386 5 2.5 548 0 Details
42 Komatipoort Age Open 2016 (U10) Standard 2016-03-05 2016-03-05 Ehlanzeni (MEN) 5 386 5 3 528 0 Details
43 South African Junior Team Championships 2015 (8C) Classical 2016-01-04 2016-01-07 Western Province (WP) 7 448 5 2 201 0 Details
44 Nelspruit Prestige Tournament (U8) Standard 2015-08-28 2015-08-29 Ehlanzeni (MEN) 7 432 6 3 494 0 Details
45 De Goede Closed (U8) Standard 2015-08-15 2015-08-15 Ehlanzeni (MEN) 7 463 7 2 392 0 Details
46 Malelane Selati Open (U8) Standard 2015-07-25 2015-07-25 Ehlanzeni (MEN) 5 0 5 2 406 0 Details
47 White River Open (C) Standard 2015-06-20 2015-06-20 Ehlanzeni (MEN) 5 0 4 2 581 0 Details
48 Curro Open (U8) Standard 2015-04-18 2015-04-18 Ehlanzeni (MEN) 5 0 4 1.5 426 0 Details
Game statistics ( )
Games 0
Wins 0
Draws 0
Losses 0
White 0
Black 0
White wins 0
Black wins 0
Score 0
Percent 0
Dp 0
AOR 0
Performance 0
Game statistics ()
Games 0
Wins 0
Draws 0
Losses 0
White 0
Black 0
White wins 0
Black wins 0
Score 0
Percent 0
Dp 0
AOR 0
Performance 0
Game statistics (History)
Games 121
Wins 69
Draws 14
Losses 38
White 60
Black 61
White wins 34
Black wins 35
Score 76
Percent 62.8
Dp 108.9
AOR 1078.9
Performance 1187.7
Rankings (Main)
National
Overall 2641
Gender 2269
Age group 363
Gender/Age 299
Provincial
Overall 60
Gender 55
Age group 8
Gender/Age 8
Regional
Overall 46
Gender 43
Age group 7
Gender/Age 7
Rankings (Standard)
National
Overall 2089
Gender 1808
Age group 281
Gender/Age 232
Provincial
Overall 50
Gender 47
Age group 6
Gender/Age 6
Regional
Overall 41
Gender 40
Age group 6
Gender/Age 6
Rankings (Rapid)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Rankings (Blitz)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance (12 months)
Games 5
Score 4.5
Percent 90
Aor 1280.4
Dp 340
Prat 1620.4
Performance (History)
Games 121
Score 76
Percent 62.8
Aor 1078.9
Dp 108.9
Prat 1187.7
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Grobler, Z (Zander) 6 4 2 Malelane Primary 2018 (U10 Open) White River Primary 2022 (U14) Details
Overall 2 Ogunjiofor, CJ (Chinedu Jeremy) 6 2 4 Curro Age Open 2018 (U8+U10 Open) 2024 Chess Unlimited Invitational (Section 4) Details
Overall 3 Van Dyk, M (Mia) 4 3 1 Malelane Primary 2018 (U10 Open) Curro Open Chess Tournament 2025 (U20) Details
Overall 4 Naidoo, J (Jasbir) 4 3 1 Curro Age Open 2018 (U8+U10 Open) Chess Unlimited 1 2021 (U14) Details
Overall 5 Onwusaka, L (Lucky) 3 2 1 Rob Ferreira Hoerskool Open 2018 (B) Penryn Age Open 2019 (U12) Details
Standard 1 Grobler, Z (Zander) 6 4 2 Malelane Primary 2018 (U10 Open) White River Primary 2022 (U14) Details
Standard 2 Ogunjiofor, CJ (Chinedu Jeremy) 6 2 4 Curro Age Open 2018 (U8+U10 Open) 2024 Chess Unlimited Invitational (Section 4) Details
Standard 3 Van Dyk, M (Mia) 4 3 1 Malelane Primary 2018 (U10 Open) Curro Open Chess Tournament 2025 (U20) Details
Standard 4 Naidoo, J (Jasbir) 4 3 1 Curro Age Open 2018 (U8+U10 Open) Chess Unlimited 1 2021 (U14) Details
Standard 5 Onwusaka, L (Lucky) 3 2 1 Rob Ferreira Hoerskool Open 2018 (B) Penryn Age Open 2019 (U12) Details