Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Johan Jacobus Hendrik Sadie

198032943
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1650.4
K-factor 28
Floor 1150.4
Highest 1673.9 (2018-03-01)
Min/Max +/- allowed 84
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1268.9
Final +/- 0
New Rating
()
Rating 1650.4
K-factor 28
Floor 1150.4
Highest 1673.9 (2018-03-01)
Min/Max +/- allowed 84.4
Standard rating
Rating 1623.8
K-factor 28
Floor 1123.8
Highest 1674.6 (2018-03-01)
Min/Max +/- allowed 84.3
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 726.9
Final +/- 0
New Rating
()
Rating 1623.8
K-factor 28
Floor 1123.8
Highest 1674.6 (2018-03-01)
Min/Max +/- allowed 84.3
Rapid rating
Rating 1600.4
K-factor 28
Floor 1110.8
Highest 1610.8 (2018-09-01)
Min/Max +/- allowed 92.4
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1600.4
K-factor 28
Floor 1110.8
Highest 1610.8 (2018-09-01)
Min/Max +/- allowed 92.4
Blitz rating
Rating 1664.1
K-factor 28
Floor 1164.1
Highest 1675.1 (2018-08-01)
Min/Max +/- allowed 84.3
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 836.2
Final +/- 0
New Rating
()
Rating 1664.1
K-factor 28
Floor 1164.1
Highest 1675.1 (2018-08-01)
Min/Max +/- allowed 84.3
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 South African Open 2025 (B) Classical 2025-06-28 2025-07-05 Johannesburg Metro (GJM) 11 1603.7 11 6.5 1694.3 0 Details
2 South African Open 2025 (Blitz) Blitz 2025-07-02 2025-07-02 Johannesburg Metro (GJM) 9 1603.7 9 6 1968.4 0 Details
3 Mzansi Spring Rapid 2023 Rapid 2023-09-02 2023-09-02 Johannesburg Metro (GJM) 7 1585.2 7 4.5 1610.8 0 Details
4 Waterkloof Open Fide Blitz 2018 Blitz 2018-08-02 2018-08-02 Tshwane (GTP) 10 1576.3 10 7 1727 0 Details
5 2018 USSA Championship (Open) Standard 2018-07-02 2018-07-06 Gert Sibande (MGS) 9 1614.7 9 6 1441.4 0 Details
6 2018 USSA Championship (Blitz) Blitz 2018-07-04 2018-07-04 Gert Sibande (MGS) 9 1614.7 9 6 1676.3 0 Details
7 2018 Waterkloof Open (A) Standard 2018-03-03 2018-03-04 Tshwane (GTP) 5 1610.8 5 2.5 1672.2 0 Details
8 2017 Gauteng Chess League 1St Division (Classic) Classical 2017-11-04 2017-11-25 Tshwane (GTP) 7 1505 2 0.5 1628 0 Details
9 2017 Gauteng Chess League 1St Division (Blitz) Blitz 2017-11-18 2017-11-18 Tshwane (GTP) 7 1582 7 5.5 841 0 Details
10 The Metro Open 2017 (Prestige) Standard 2017-09-16 2017-09-17 Johannesburg Metro (GJM) 5 1529 4 1.5 1476 0 Details
11 The Metro Open 2017 (Blitz) Blitz 2017-09-17 2017-09-17 Johannesburg Metro (GJM) 6 1537 6 3 1651 0 Details
12 Chessexcellence Crawford Club Invitaional 2017 (Group 1) Standard 2017-08-20 2017-08-20 Chess Excellence (CEX) 5 1539 5 3 1427 0 Details
13 2017 Pss Prestige (Rapid) Rapid 2017-04-22 2017-04-23 Johannesburg Metro (GJM) 10 1369 9 3 1628 0 Details
14 2017 Pss Prestige (Blitz) Blitz 2017-04-23 2017-04-23 Johannesburg Metro (GJM) 10 1482 9 4 1757 0 Details
15 South African Junior Team Championships 2016 (U20 A) Classical 2016-12-16 2016-12-19 Tshwane (GTP) 7 1560 7 4.5 1439 0 Details
16 Jmc Adult Open 2016 Standard 2016-08-05 2016-08-07 Johannesburg Metro (GJM) 6 1562 5 2.5 1553 0 Details
17 Jnw Chess - Margon Open 2016 (A) Standard 2016-07-29 2016-07-30 Johannesburg Metro (GJM) 6 1561 6 2.5 1591 0 Details
18 Sa Junior Closed Chess Championship 2016 (U18 Boys) Classical 2016-03-20 2016-03-26 Free State (FS) 11 1575 10 5 1603 0 Details
19 Jnw Chess - Franklin D Roosevelt Open 2016 (A) Standard 2016-03-11 2016-03-12 Johannesburg Metro (GJM) 6 1575 6 2 1480 0 Details
20 South African Junior Team Championships 2015 (20A) Classical 2016-01-04 2016-01-07 Western Province (WP) 7 1580 7 3 1563 0 Details
21 World Youth 2015 (Greece) Blitz 2015-11-01 2015-11-01 Greece (GRE) 0 1574 11 3.5 1669 0 Details
22 Uj Swiss Open Classical 2015-09-04 2015-09-06 Johannesburg Metro (GJM) 5 1591 5 2.5 1490 0 Details
23 Jnw Chess Maragon Open 2015 (A Section) Standard 2015-07-31 2015-08-01 Johannesburg Metro (GJM) 6 1618 6 2.5 1504 0 Details
24 Johannesburg Metro Chess Open 1 Midrand (A Section) Standard 2015-05-23 2015-05-23 Johannesburg Metro (GJM) 5 1646 5 2 1480 0 Details
25 Jnw Chess Linden Open 2015 (A Section) Standard 2015-04-17 2015-04-18 Johannesburg Metro (GJM) 6 1624 6 2 1457 0 Details
26 Sa Junior Closed Chess Championship 2015 (Under 18+20 Open) Classical 2015-04-04 2015-04-10 Tshwane (GTP) 11 1624 11 7 1797 0 Details
27 Waterkloof Open (Prestige Section) Classical 2015-03-05 2015-03-08 Tshwane (GTP) 6 1623 5 1 1663 0 Details
28 Jnw Chess Trinityhouse Little Falls Open 2015 (Section A) Standard 2015-02-21 2015-02-21 Johannesburg Metro (GJM) 5 1620 5 2.5 1612 0 Details
29 Accounting Uj Open 2014 (Uj Section A) Standard 2014-10-10 2014-10-11 Johannesburg Metro (GJM) 6 1620 6 2 1668 0 Details
30 Piet Robbertse 2015 - Prestige Section Classical 2015-01-29 2015-02-01 Tshwane (GTP) 6 1620 6 1.5 1637 0 Details
31 South African Junior Team Championships 2015 (U18 Championship Section) Classical 2015-01-04 2015-01-07 Northern Cape (NC) 7 1611 7 5 1628 0 Details
32 Durban Open Grandmasters Chess Tournament Classical 2014-09-20 2014-09-29 Kwazulu Natal (KZN) 11 1603 8 3 1688 0 Details
33 Fontainebleau Open 2014 (Section A) Standard 2014-08-15 2014-08-16 Johannesburg Metro (GJM) 6 1566 6 3 1751 0 Details
34 Jnw Maragon Open 2014 (Section A) Standard 2014-08-01 2014-08-02 Johannesburg Metro (GJM) 6 1566 6 3 1593 0 Details
35 South African Open Chess Championship 2014 A-Secti Classical 2014-07-13 2014-07-19 Free State (FS) 11 1473 9 3.5 1741 0 Details
36 South African Open Chess Championship 2014 Blitz Blitz 2014-07-16 2014-07-16 Free State (FS) 7 1369 7 5 1725 0 Details
37 Sa School Individual Chess Championship 2014 U17 B Standard 2014-07-10 2014-07-12 Free State (FS) 6 1473 4 1.5 1369 0 Details
38 Gauteng Individual Trails 2014 - U 17 Boys Born On Standard 2014-06-21 2014-06-21 Tshwane (GTP) 5 1473 4 3.5 1735 0 Details
39 Bryanston Open 2014 (A Section) Standard 2014-05-09 2014-05-10 Johannesburg Metro (GJM) 6 1532 6 2 1468 0 Details
40 2014 Capablanca Chess Festival - Chessa - A Sectio Standard 2014-05-01 2014-05-04 Tshwane (GTP) 7 1532 7 2.5 1361 0 Details
41 Linden Open 2014 (A Section) Standard 2014-04-11 2014-04-12 Johannesburg Metro (GJM) 6 1505 6 2 1648 0 Details
42 Chess Excellence 15Th March D Standard 2014-03-15 2014-03-15 Johannesburg Metro (GJM) 5 1457 4 2.5 1550 0 Details
43 Trinity Open B Section Standard 2014-03-07 2014-03-08 Johannesburg Metro (GJM) 6 1457 4 4 1588 0 Details
44 Waterkloof Open - B Section Standard 2014-02-28 2014-03-01 Tshwane (GTP) 6 1457 6 4.5 1512 0 Details
45 Fairland Open (Section B) Standard 2014-02-15 2014-02-15 Johannesburg Metro (GJM) 5 1415 5 4.5 1638 0 Details
46 Wild Card Championships 2013 (U16 Boys) Standard 2013-12-19 2013-12-21 Kwazulu Natal (KZN) 7 1507 7 4 1272 0 Details
47 South African Junior Team Championship 2013 (U16) Classical 2013-12-15 2013-12-18 Kwazulu Natal (KZN) 7 1507 7 2.5 1373 0 Details
48 Gn Open 2013 - Sec A Rating 1400 Above Standard 2013-10-25 2013-10-26 Tshwane (GTP) 5 1439 5 2.5 1593 0 Details
49 2013 Monnas Open Cd Section Standard 2013-10-04 2013-10-06 Johannesburg Metro (GJM) 7 1439 7 5.5 1511 0 Details
50 Bobby Fischer Chess Festival 2013 Section A - Rati Standard 2013-10-18 2013-10-20 Tshwane (GTP) 6 1439 6 2.5 1537 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 60
Wins 35
Draws 7
Losses 18
White 33
Black 27
White wins 20
Black wins 15
Score 38.5
Percent 64.2
Dp 120.4
AOR 1568.2
Performance 1688.6
Rankings (Main)
National
Overall 709
Gender 666
Age group 375
Gender/Age 358
Provincial
Overall 257
Gender 241
Age group 134
Gender/Age 129
Regional
Overall 98
Gender 89
Age group 50
Gender/Age 47
Rankings (Standard)
National
Overall 776
Gender 720
Age group 382
Gender/Age 365
Provincial
Overall 285
Gender 263
Age group 138
Gender/Age 133
Regional
Overall 102
Gender 91
Age group 48
Gender/Age 45
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 20
Score 12.5
Percent 62.5
Aor 1711.4
Dp 106.2
Prat 1817.7
Performance (History)
Games 60
Score 38.5
Percent 64.2
Aor 1568.2
Dp 120.4
Prat 1688.6
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Hamalala, R (Ronald) 2 1 1 South African Open 2025 (Blitz) South African Open 2025 (B) Details
Overall 2 Nxumalo, B (Banele) 2 2 0 2018 USSA Championship (Open) Waterkloof Open Fide Blitz 2018 Details
Overall 3 Babuseng, BM (Benjamin Moitse) 2 1 1 2018 Waterkloof Open (A) 2018 USSA Championship (Blitz) Details
Overall 4 Masiya, MA (Mfundo) 2 1 1 2018 USSA Championship (Blitz) Waterkloof Open Fide Blitz 2018 Details
Blitz 1 Masiya, MA (Mfundo) 2 1 1 2018 USSA Championship (Blitz) Waterkloof Open Fide Blitz 2018 Details