Player Page

Botha, M (Melchior)
Dob: 2007/06/21 (U18)
Gender: Male
Chess SA id: 1070110148
FIDE id:
Region: West Coast (WCU)
Citizen: RSA
Title(s):
Last active: 2019/02/23 (2119 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 rating1166.9
Current Weighted rating1166.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1166.9
Current highest rating achieved1166.9
Current floor (min rating allowed)666.9
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)±173.8
Current Raw change used (final)0.0
Projected new Raw rating1166.9
Projected new Weighed rating1073.5
Projected new Weighted performance87.3
Projected new final Raw rating (if new WP > new Raw)1166.9
Projected new highest rating1166.9
Projected new floor666.9
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1166.9
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
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 rating1138.8
Current Weighted rating1138.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1138.8
Current highest rating achieved1138.8
Current floor (min rating allowed)638.8
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)±180.9
Current Raw change used (final)0.0
Projected new Raw rating1138.8
Projected new Weighed rating1047.7
Projected new Weighted performance91.9
Projected new final Raw rating (if new WP > new Raw)1138.8
Projected new highest rating1138.8
Projected new floor638.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1138.8
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
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 rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
1 Onder-Weskus Skole Proewe 2019 (O13 Seuns) 2019/02/16 2019/02/23 West Coast (WCU) Rapid 30 0.60 7 6 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 6 1 2 3 2.0 33.3 -141.7 1146.6 1004.9
White 3 0 2 1 1.0 33.3 -141.7 1164.6 1023.0
Black 3 1 0 2 1.0 33.3 -141.7 1128.6 986.9
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 6 1 2 3 2.0 33.3 -141.7 1146.6 1004.9
White 3 0 2 1 1.0 33.3 -141.7 1164.6 1023.0
Black 3 1 0 2 1.0 33.3 -141.7 1128.6 986.9
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 1060110169 Nieuwoudt, J (Janno) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 1070110154 Bester, Q (Q-Whine) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
3 1000099742 Karolus, D (Durin) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
4 1060099672 Ruiters, A (Adriaan) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
5 106066234 Fillis, J (Jared) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
6 1060105095 Arendse, Q (Qlermo) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list