Player Page

Grib, J (Jessica)
Dob: 1981/06/20 (Adult)
Gender: Female
Chess SA id: 281011165
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/08/28 (88 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 rating1165.0
Current Weighted rating1138.1
Current Weighted performance1039.3
Current official/published rating (highest between Raw, WR and WP)1165.0
Current highest rating achieved1187.6
Current floor (min rating allowed)687.6
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)±174.3
Current Raw change used (final)0.0
Projected new Raw rating1165.0
Projected new Weighed rating1049.3
Projected new Weighted performance1039.3
Projected new final Raw rating (if new WP > new Raw)1165.0
Projected new highest rating1187.6
Projected new floor687.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1165.0
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 rating1143.6
Current Weighted rating1115.9
Current Weighted performance1039.3
Current official/published rating (highest between Raw, WR and WP)1143.6
Current highest rating achieved1164.4
Current floor (min rating allowed)664.4
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)±179.7
Current Raw change used (final)0.0
Projected new Raw rating1143.6
Projected new Weighed rating1028.6
Projected new Weighted performance1039.3
Projected new final Raw rating (if new WP > new Raw)1143.6
Projected new highest rating1164.4
Projected new floor664.4
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1143.6
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 rating1300.0
Current Weighted rating1269.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1300.0
Current highest rating achieved1300.0
Current floor (min rating allowed)800.0
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)±143.8
Current Raw change used (final)0.0
Projected new Raw rating1300.0
Projected new Weighed rating1170.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1300.0
Projected new floor800.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1300.0
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 rating1300.0
Current Weighted rating1269.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1300.0
Current highest rating achieved1300.0
Current floor (min rating allowed)800.0
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)±143.8
Current Raw change used (final)0.0
Projected new Raw rating1300.0
Projected new Weighed rating1170.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1300.0
Projected new floor800.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1300.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 2024 Tuks Open Chess Tournament (Braille) 2024/08/28 2024/08/28 Tshwane (GTP) Standard 60 0.83 5 4 1.0 1187.6 1164.4 Analysis
1 South African Braille Open 2024 2024/03/09 2024/03/09 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1145.8 1102.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
11 2024 Tuks Open Chess Tournament (Braille) 2024/08/28 2024/08/28 Tshwane (GTP) Standard 60 0.83 5 4 1.0 1187.6 1164.4 Analysis
10 South African Braille Open 2024 2024/03/09 2024/03/09 Cape Winelands (WCW) Standard 60 0.83 5 5 3.0 1145.8 1102.4 Analysis
9 2023 Tuks Open Chess Tournament (Braille) 2023/10/07 2023/10/07 Tshwane (GTP) Standard 60 0.83 4 4 1.5 1060.2 1051.6 Analysis
8 ANIME @ Play Chess 2023 (Braille) 2023/08/12 2023/08/12 Ekurhuleni (GE) Standard 60 0.83 4 4 1.0 1055.6 1044.8 Analysis
7 2022 Wynie Robbertse Open (Development) 2022/10/08 2022/10/08 Tshwane (GTP) Standard 60 0.83 5 4 0.5 1079.8 1073.2 Analysis
6 Ekurhuleni Chess Springs Club Open 2022 (F) 2022/09/03 2022/09/03 Ekurhuleni (GE) Standard 60 0.83 5 4 1.0 1079.8 1072.0 Analysis
5 2019 South African Braille Championship 2020/01/11 2020/01/12 4 Knights (4K) Standard 90 0.94 5 5 2.0 1060.6 1048.4 Analysis
4 2019 Gauteng Braille Open 2019/10/26 2019/10/26 Tshwane (GTP) Standard 60 0.83 4 4 1.0 1074.9 1063.6 Analysis
3 2019 SWVG Arnold Classic (Blind) 2019/05/18 2019/05/18 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1104.4 1097.2 Analysis
2 South African Braille Championships 2018 2018/12/21 2018/12/23 4 Knights (4K) Standard 120 1.00 5 5 1.0 1164.8 1157.6 Analysis
1 SWVG Arnold Classic Rapid & Blitz 2018 (Braille) 2018/05/18 2018/05/18 Tshwane (GTP) Standard 60 0.83 5 5 1.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 9 4 0 5 4.0 44.4 -47.2 1272.1 1224.9
White 5 3 0 2 3.0 60.0 85.0 1204.5 1289.5
Black 4 1 0 3 1.0 25.0 -212.5 1356.5 1144.0
Standard All 9 4 0 5 4.0 44.4 -47.2 1272.1 1224.9
White 5 3 0 2 3.0 60.0 85.0 1204.5 1289.5
Black 4 1 0 3 1.0 25.0 -212.5 1356.5 1144.0
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 49 12 4 33 14.0 28.6 -182.1 1240.9 1058.7
White 24 9 2 13 10.0 41.7 -70.8 1235.1 1164.2
Black 25 3 2 20 4.0 16.0 -289.0 1246.4 957.4
Standard All 49 12 4 33 14.0 28.6 -182.1 1240.9 1058.7
White 24 9 2 13 10.0 41.7 -70.8 1235.1 1164.2
Black 25 3 2 20 4.0 16.0 -289.0 1246.4 957.4
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 171011166 Grib, J (Johannes) 7 0.0 0 0 7 0.0 1103.7 -425.0 678.7 View list
2 170014653 Joubert, W (Willem) 6 2.5 2 1 3 41.7 1143.8 -70.8 1073.0 View list
3 165011457 Grove, IJ (Izak) 4 0.5 0 1 3 12.5 1064.0 -318.8 745.3 View list
4 167006724 De Nobrega, FP (Florindo) 4 0.0 0 0 4 0.0 1130.7 -425.0 705.7 View list
5 159016308 Kotze, CP (Charl) 3 0.0 0 0 3 0.0 1107.7 -425.0 682.7 View list
6 1600115352 Smal, R (Reginald) 3 0.0 0 0 3 0.0 1080.0 -425.0 655.0 View list
7 175032292 Roberts, MA (Mario) 2 1.0 1 0 1 50.0 1124.1 0.0 1124.1 View list
8 194014587 Joubert, J (Jacques) 2 1.0 1 0 1 50.0 1182.4 0.0 1182.4 View list
9 1860146524 Blom, H (Hermanus Christo) 2 1.0 1 0 1 50.0 1079.8 0.0 1079.8 View list
10 263011234 Grobbelaar, FJ (Fransiena) 2 0.5 0 1 1 25.0 1070.0 -212.5 857.5 View list
11 177036587 Strydom, BV (Brett) 2 0.0 0 0 2 0.0 1089.7 -425.0 664.7 View list
12 1720119506 Swanepoel, EGF (Erens) 1 1.0 1 0 0 100.0 1074.9 425.0 1499.9 View list
13 145035471 Smith, W (Willie) 1 1.0 1 0 0 100.0 1104.4 425.0 1529.4 View list
14 145010473 Geyer, D (David) 1 1.0 1 0 0 100.0 1145.8 425.0 1570.8 View list
15 1620160788 Kruger, H (Hendrik) 1 1.0 1 0 0 100.0 1055.6 425.0 1480.6 View list
16 275031506 Rahn, MC (Marlene) 1 1.0 1 0 0 100.0 1145.8 425.0 1570.8 View list
17 264039531 Van Der Walt, R (Riana) 1 1.0 1 0 0 100.0 1164.8 425.0 1589.8 View list
18 2590130003 Van Der Westhuizen, T (Tersia) 1 1.0 1 0 0 100.0 1060.6 425.0 1485.6 View list
19 100027029 Neethling, F (Francois) 1 0.5 0 1 0 50.0 1079.8 0.0 1079.8 View list
20 160037650 Theunis, DP (Desmond) 1 0.0 0 0 1 0.0 1145.8 -425.0 720.8 View list