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: 2024/03/09 (101 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 rating1187.6
Current Weighted rating1105.3
Current Weighted performance1067.3
Current official/published rating (highest between Raw, WR and WP)1187.6
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)±168.8
Current Raw change used (final)0.0
Projected new Raw rating1187.6
Projected new Weighed rating1018.3
Projected new Weighted performance1067.3
Projected new final Raw rating (if new WP > new Raw)1187.6
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)1187.6
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 rating1164.4
Current Weighted rating1085.4
Current Weighted performance1067.3
Current official/published rating (highest between Raw, WR and WP)1164.4
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)±174.4
Current Raw change used (final)0.0
Projected new Raw rating1164.4
Projected new Weighed rating999.6
Projected new Weighted performance1067.3
Projected new final Raw rating (if new WP > new Raw)1164.4
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)1164.4
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 rating1243.0
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 rating1145.0
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 rating1243.0
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 rating1145.0
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
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
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 5 3 0 2 3.0 60.0 85.0 1270.7 1355.7
White 2 2 0 0 2.0 100.0 425.0 1116.3 1541.3
Black 3 1 0 2 1.0 33.3 -141.7 1373.6 1231.9
Standard All 5 3 0 2 3.0 60.0 85.0 1270.7 1355.7
White 2 2 0 0 2.0 100.0 425.0 1116.3 1541.3
Black 3 1 0 2 1.0 33.3 -141.7 1373.6 1231.9
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 45 11 4 30 13.0 28.9 -179.4 1237.9 1058.5
White 21 8 2 11 9.0 42.9 -60.7 1231.0 1170.3
Black 24 3 2 19 4.0 16.7 -283.3 1244.0 960.6
Standard All 45 11 4 30 13.0 28.9 -179.4 1237.9 1058.5
White 21 8 2 11 9.0 42.9 -60.7 1231.0 1170.3
Black 24 3 2 19 4.0 16.7 -283.3 1244.0 960.6
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) 5 1.5 1 1 3 30.0 1135.0 -170.0 965.0 View list
3 165011457 Grove, IJ (Izak) 4 0.5 0 1 3 12.5 1064.0 -318.8 745.3 View list
4 1600115352 Smal, R (Reginald) 3 0.0 0 0 3 0.0 1080.0 -425.0 655.0 View list
5 167006724 De Nobrega, FP (Florindo) 3 0.0 0 0 3 0.0 1111.7 -425.0 686.7 View list
6 194014587 Joubert, J (Jacques) 2 1.0 1 0 1 50.0 1182.4 0.0 1182.4 View list
7 1860146524 Blom, H (Hermanus Christo) 2 1.0 1 0 1 50.0 1079.8 0.0 1079.8 View list
8 263011234 Grobbelaar, FJ (Fransiena) 2 0.5 0 1 1 25.0 1070.0 -212.5 857.5 View list
9 159016308 Kotze, CP (Charl) 2 0.0 0 0 2 0.0 1067.7 -425.0 642.7 View list
10 177036587 Strydom, BV (Brett) 2 0.0 0 0 2 0.0 1089.7 -425.0 664.7 View list
11 1720119506 Swanepoel, EGF (Erens) 1 1.0 1 0 0 100.0 1074.9 425.0 1499.9 View list
12 145035471 Smith, W (Willie) 1 1.0 1 0 0 100.0 1104.4 425.0 1529.4 View list
13 145010473 Geyer, D (David) 1 1.0 1 0 0 100.0 1145.8 425.0 1570.8 View list
14 1620160788 Kruger, H (Hendrik) 1 1.0 1 0 0 100.0 1055.6 425.0 1480.6 View list
15 175032292 Roberts, MA (Mario) 1 1.0 1 0 0 100.0 1060.6 425.0 1485.6 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