Player Page

Groesbeek, A (Arrie)
Dob: 2005/05/12 (U20)
Gender: Male
Chess SA id: 1050118790
FIDE id:
Region: Bojanala Platina (NBR)
Citizen: RSA
Title(s):
Last active: 2019/10/19 (1688 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
Curent Raw rating1060.6
Curent Weighted rating1060.6
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1060.6
Current floor (min rating allowed)671.8
Current highest rating achieved1171.8
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)±202.2
Current Raw change used (final)0.0
Projected new Raw rating1060.6
Projected new Weighed rating1060.6
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1060.6
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1171.8
Projected new floor671.8
Projected new K-facor40
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
Curent Raw rating1038.4
Curent Weighted rating1038.4
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1038.4
Current floor (min rating allowed)664.4
Current highest rating achieved1164.4
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)±208.7
Current Raw change used (final)0.0
Projected new Raw rating1038.4
Projected new Weighed rating1038.4
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1038.4
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1164.4
Projected new floor664.4
Projected new K-facor40
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
Curent Raw rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)700.0
Current highest rating achieved1200.0
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)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1200.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Curent Raw rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)700.0
Current highest rating achieved1200.0
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)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1200.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)1200.0
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
4 Inter Region 2019 (U16 Open) 2019/10/19 2019/10/19 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.0 1119.7 1101.2 Analysis
3 NW Open 2019 (B) 2019/10/12 2019/10/12 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.0 1119.7 1101.2 Analysis
2 Lebone II 2019 (U16) 2019/09/14 2019/09/14 Bojanala Platina (NBR) Standard 60 0.83 5 5 1.0 1171.8 1164.4 Analysis
1 Laerskool Brits 2019 (U16) 2019/08/31 2019/08/31 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main 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
Standard 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
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 20 7 0 13 7.0 35.0 -127.5 1101.5 974.0
White 10 4 0 6 4.0 40.0 -85.0 1083.4 998.4
Black 10 3 0 7 3.0 30.0 -170.0 1119.6 949.6
Standard All 20 7 0 13 7.0 35.0 -127.5 1101.5 974.0
White 10 4 0 6 4.0 40.0 -85.0 1083.4 998.4
Black 10 3 0 7 3.0 30.0 -170.0 1119.6 949.6
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 2050110368 Moletsane, O (Omphile) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 1080116941 Leepile, T (Tuelo) 1 1.0 1 0 0 100.0 1119.7 425.0 1544.7 View list
3 206069345 Leepile, L (Lesego) 1 1.0 1 0 0 100.0 1119.7 425.0 1544.7 View list
4 1050111269 Ditsele, K (Kamogelo) 1 1.0 1 0 0 100.0 1119.7 425.0 1544.7 View list
5 1050113001 Legwale, K (Katlego) 1 1.0 1 0 0 100.0 1171.8 425.0 1596.8 View list
6 105075132 Seabela, T (Thoriso) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
7 1040111769 Ndebele, T (Thulani) 1 1.0 1 0 0 100.0 1119.7 425.0 1544.7 View list
8 105086548 Thebe, RC (Reabetswe) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
9 205069861 Spooner, K (Kutlwano) 1 0.0 0 0 1 0.0 1119.7 -425.0 694.7 View list
10 104026775 Naude, M (Marlo) 1 0.0 0 0 1 0.0 1119.7 -425.0 694.7 View list
11 105050597 Lefyedi, T (Thatego) 1 0.0 0 0 1 0.0 1171.8 -425.0 746.8 View list
12 108092142 Brown, O (Oratile) 1 0.0 0 0 1 0.0 1119.7 -425.0 694.7 View list
13 199059269 Batsietseng, O (Ontlametse) 1 0.0 0 0 1 0.0 1119.7 -425.0 694.7 View list
14 1050109335 Mokoena, T (Thoriso) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
15 2050117917 Mokgothu, O (Omolemo) 1 0.0 0 0 1 0.0 1171.8 -425.0 746.8 View list
16 1050111766 Mokae, TO (Tumiso Oneile) 1 0.0 0 0 1 0.0 1171.8 -425.0 746.8 View list
17 102091344 Mogapi, N (Nkemisang) 1 0.0 0 0 1 0.0 1119.7 -425.0 694.7 View list
18 2040105645 Moagi, O (Onkabetse) 1 0.0 0 0 1 0.0 1119.7 -425.0 694.7 View list
19 205021249 Maseng, G (Gontlafetse) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
20 205087744 Mabuza, U (Unathi) 1 0.0 0 0 1 0.0 1171.8 -425.0 746.8 View list