Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Jessica Johnstone

209073138
Tshwane (GTP)
Personal
Main rating
Rating 970.8
K-factor 40
Floor 537.4
Highest 1200 (2024-11-01)
Min/Max +/- allowed 166
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 509
Final +/- 0
New Rating
()
Rating 970.8
K-factor 40
Floor 537.4
Highest 1200 (2024-11-01)
Min/Max +/- allowed 165.8
Standard rating
Rating 967.5
K-factor 40
Floor 525.8
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 509
Final +/- 0
New Rating
()
Rating 967.5
K-factor 40
Floor 525.8
Highest 1200 (2024-11-01)
Min/Max +/- allowed 165.8
Rapid rating
Rating 598.4
K-factor 40
Floor 500
Highest 1200 (2024-03-01)
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 598.4
K-factor 40
Floor 500
Highest 1200 (2024-03-01)
Min/Max +/- allowed 165.8
Blitz rating
Rating 598.4
K-factor 40
Floor 500
Highest 1200 (2024-03-01)
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 598.4
K-factor 40
Floor 500
Highest 1200 (2024-03-01)
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 2023 Piet Robbertse Fide Rated Open Chess Tournament (D) Standard 2023-02-04 2023-02-05 Tshwane (GTP) 5 945.6 5 2 1054.5 0 Details
2 2021 Registration Tournament (D) Standard 2021-03-13 2021-03-13 Tshwane (GTP) 5 907.1 5 2 1114.4 0 Details
3 2019 Etienne Lewis Trials (U12 Girls) Classical 2019-08-30 2019-09-01 Tshwane (GTP) 7 1004.3 7 0 706.9 0 Details
4 2019 Jacaranda Round Robin (L) Standard 2019-08-03 2019-08-03 Tshwane (GTP) 5 1037.4 5 1 882.5 0 Details
5 2019 Alekhine Open (D) Classical 2019-08-09 2019-08-10 Tshwane (GTP) 5 1037.4 5 2 1039.4 0 Details
6 2019 Swartkop Open (D) Standard 2019-06-15 2019-06-15 Tshwane (GTP) 5 982.1 5 3 1211.4 0 Details
7 2019 Capablanca Chess Festival (Swiss D) Standard 2019-04-19 2019-04-21 Tshwane (GTP) 7 1028.7 7 2 872.8 0 Details
8 2019 Waterkloof Open (D) Standard 2019-03-02 2019-03-03 Tshwane (GTP) 5 1011.4 5 3 1097.2 0 Details
9 2019 TuksChess Open (C) Standard 2019-02-23 2019-02-23 Tshwane (GTP) 5 999.8 5 2 1056 0 Details
10 2018 Tshwane Inter Region (U10C) Standard 2018-12-01 2018-12-01 Cape Town (WCT) 5 1007 5 2 935.5 0 Details
11 2018 Wild Card Chess Championships (U10 Girls) Classical 2018-12-21 2018-12-24 4 Knights (4K) 7 1007 7 3 1021 0 Details
12 South African Junior Team Championships 2018 (U10 Girls) Classical 2018-12-16 2018-12-20 4 Knights (4K) 7 1007 5 3 1009.9 0 Details
13 2018 Lardies Ope (D) Standard 2018-10-27 2018-10-27 Tshwane (GTP) 5 1033.2 5 2 888.5 0 Details
14 2018 Etienne Lewis Trials (U10 Girls) Classical 2018-08-31 2018-09-02 Tshwane (GTP) 7 833.6 7 4 1000 0 Details
15 2018 Centurion Chess Club Open (D) Standard 2018-09-29 2018-09-29 Tshwane (GTP) 5 833.6 5 3 1239.8 0 Details
16 2018 Alekhine Open (D) Standard 2018-08-09 2018-08-11 Tshwane (GTP) 6 807 6 3 885.6 0 Details
17 2018 Menlo Open Chess Tournament (D) Standard 2018-07-21 2018-07-21 Tshwane (GTP) 5 686.2 5 3 1108.2 0 Details
18 2018 Capablanca Swiss (D) Standard 2018-04-27 2018-04-27 Tshwane (GTP) 5 707.6 5 2 603.9 0 Details
19 2018 Crawford Open (D) Standard 2018-03-24 2018-03-24 Tshwane (GTP) 5 704.9 5 2 712.7 0 Details
20 2018 Constantia Park Open (D) Standard 2018-02-10 2018-02-10 Tshwane (GTP) 5 705.6 5 3 708.8 0 Details
21 South African Junior Team Championships 2017 (U10 Girls) Classical 2018-01-04 2018-01-08 4 Knights (4K) 7 598.4 7 6 937.7 0 Details
22 2017 Jacaranda Open (D) Standard 2017-10-14 2017-10-14 Tshwane (GTP) 5 666 4 2 500 0 Details
23 2017 Tshwane September Round Robin (H) Standard 2017-09-24 2017-09-24 Tshwane (GTP) 5 581 5 3 594 0 Details
24 2017 Tshwane Chess Etienne Lewis (U10 Girls) Classical 2017-09-01 2017-09-03 Tshwane (GTP) 7 581 7 5 822 0 Details
25 2017 Alekhine (D) Standard 2017-08-04 2017-08-05 Tshwane (GTP) 5 659 5 1 500 0 Details
26 2017 Menlo Open (D) Standard 2017-07-29 2017-07-29 Tshwane (GTP) 5 512 10 4 500 0 Details
27 D3 Cluster 5 Primary Schools Team League 2017 (U9) Standard 2017-06-02 2017-06-26 Tshwane (GTP) 9 512 9 7.5 844 0 Details
28 Commonwealth Chess Championships 2017 Blitz 2017-07-03 2017-07-08 India (IND) 7 512 7 1 597 0 Details
29 Luwboski Open 2017 (E) Standard 2017-05-19 2017-05-20 Tshwane (GTP) 5 540 3 1 500 0 Details
30 2017 Arnold Classic (U8-U10) Standard 2017-05-05 2017-05-07 Tshwane (GTP) 6 540 6 2.5 572 0 Details
31 2017 Pss Capablanca (Swiss D) Standard 2017-04-27 2017-04-27 Tshwane (GTP) 5 540 5 3 641 0 Details
32 Sa Junior Closed Chess Championship 2017 (U8 Girls) Classical 2017-04-05 2017-04-11 Ekurhuleni (GE) 11 591 11 5 501 0 Details
33 2017 Crawford Open (F) Standard 2017-03-25 2017-03-25 Tshwane (GTP) 5 500 5 3.5 756 0 Details
34 2017 Waterkloof Open (F) Standard 2017-03-04 2017-03-04 Tshwane (GTP) 5 500 5 3 584 0 Details
35 2017 Wynie Robbertse Chess Tournament (D) Standard 2017-02-25 2017-02-25 Tshwane (GTP) 5 500 5 1 500 0 Details
36 2017 Tshwane Registration Tournament (F) Standard 2017-01-21 2017-01-21 Tshwane (GTP) 5 500 5 2.5 578 0 Details
37 2017 Piet Robbertse (Mini) Standard 2017-01-28 2017-01-28 Tshwane (GTP) 5 500 5 2 514 0 Details
38 2017 Blou Bul Ope (F) Standard 2017-02-18 2017-02-18 Tshwane (GTP) 5 500 5 2.5 517 0 Details
39 South African Junior Wildcard Championships 2016 (U8 Girls) Classical 2016-12-20 2016-12-23 Tshwane (GTP) 7 373 7 3.5 271 0 Details
40 South African Junior Team Championships 2016 (U8-U10 Girls) Classical 2016-12-16 2016-12-19 Tshwane (GTP) 7 373 7 0 100 0 Details
41 2016 Gauteng Inter Region (Nbr U8 Vs Gtp Little Kni) Standard 2016-12-03 2016-12-03 Tshwane (GTP) 5 373 5 0.5 100 0 Details
42 Jakaranda Ope 2016 (E) Standard 2016-09-10 2016-09-10 Tshwane (GTP) 5 391 5 3 338 0 Details
43 Menlo Open 2016 (E) Standard 2016-07-23 2016-07-23 Tshwane (GTP) 5 395 5 2.5 375 0 Details
44 Lubowski Open Chess Tournament 2016 (D) Standard 2016-05-21 2016-05-21 Tshwane (GTP) 5 395 4 2.5 376 0 Details
45 D3 Individual School Trails 2016 (U9 Girls) Standard 2016-04-16 2016-04-16 Tshwane (GTP) 5 0 5 1.5 326 0 Details
46 D3 Cluster 5 Individual Trails 2016 (U9 Girls) Standard 2016-04-16 2016-04-16 Tshwane (GTP) 5 0 5 2.5 447 0 Details
47 Charis Open 2015 (E) Rapid 2015-10-31 2015-10-31 Tshwane (GTP) 5 0 5 3 399 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 116
Wins 53
Draws 0
Losses 63
White 55
Black 61
White wins 21
Black wins 32
Score 53
Percent 45.7
Dp -36.6
AOR 988.3
Performance 951.7
Rankings (Main)
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 (Standard)
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 (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 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance (History)
Games 116
Score 53
Percent 45.7
Aor 988.3
Dp -36.6
Prat 951.7
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Louw, N (Nova) 3 0 3 2018 Constantia Park Open (D) 2018 Etienne Lewis Trials (U10 Girls) Details
Overall 2 Lombard, A (Anjubelle Ttalise) 3 1 2 2018 Menlo Open Chess Tournament (D) 2018 Etienne Lewis Trials (U10 Girls) Details
Overall 3 Moolman, R (Reinhardt) 2 1 1 2018 Alekhine Open (D) 2018 Centurion Chess Club Open (D) Details
Overall 4 Du Preez, J (Julian) 2 2 0 2019 Waterkloof Open (D) 2019 Swartkop Open (D) Details
Overall 5 Cilliers, WC (Willem Carel) 2 1 1 2019 Capablanca Chess Festival (Swiss D) 2019 Jacaranda Round Robin (L) Details
Standard 1 Louw, N (Nova) 3 0 3 2018 Constantia Park Open (D) 2018 Etienne Lewis Trials (U10 Girls) Details
Standard 2 Lombard, A (Anjubelle Ttalise) 3 1 2 2018 Menlo Open Chess Tournament (D) 2018 Etienne Lewis Trials (U10 Girls) Details
Standard 3 Dladla, L (Luvo) 2 2 0 2019 Waterkloof Open (D) 2019 Capablanca Chess Festival (Swiss D) Details
Standard 4 Gerber, J (Juandre) 2 0 2 2018 Tshwane Inter Region (U10C) 2019 TuksChess Open (C) Details
Standard 5 Oosthuizen, L (Luelsje) 2 1 1 2019 Capablanca Chess Festival (Swiss D) 2019 Etienne Lewis Trials (U12 Girls) Details