Player Page

Koster, X (Xander)
Dob: 2005/03/29 (U20)
Gender: Male
Chess SA id: 105077029
FIDE id:
Region: Mopani (LMG)
Citizen: RSA
Title(s):
Last active: 2018/05/05 (2427 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 rating571.3
Current Weighted rating571.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)571.3
Current highest rating achieved571.3
Current floor (min rating allowed)500.0
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)±406.1
Current Raw change used (final)0.0
Projected new Raw rating571.3
Projected new Weighed rating525.6
Projected new Weighted performance66.9
Projected new final Raw rating (if new WP > new Raw)571.3
Projected new highest rating571.3
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)571.3
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 rating565.0
Current Weighted rating548.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)565.0
Current highest rating achieved565.0
Current floor (min rating allowed)500.0
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)±409.8
Current Raw change used (final)0.0
Projected new Raw rating565.0
Projected new Weighed rating505.5
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating565.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)565.0
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 rating618.8
Current Weighted rating618.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)618.8
Current highest rating achieved618.8
Current floor (min rating allowed)500.0
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)±379.5
Current Raw change used (final)0.0
Projected new Raw rating618.8
Projected new Weighed rating569.3
Projected new Weighted performance70.4
Projected new final Raw rating (if new WP > new Raw)618.8
Projected new highest rating618.8
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)618.8
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 rating500.0
Current Weighted rating500.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)500.0
Current highest rating achieved500.0
Current floor (min rating allowed)500.0
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)±449.5
Current Raw change used (final)0.0
Projected new Raw rating500.0
Projected new Weighed rating460.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating500.0
Projected new floor500.0
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)500.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
1 2018 Super 12 (Senior) 2018/05/05 2018/05/05 Tshwane (GTP) Rapid 30 0.60 5 5 3.0 500.0 500.0 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 5 3 0 2 3.0 60.0 85.0 1166.8 1251.8
White 3 1 0 2 1.0 33.3 -141.7 1200.0 1058.3
Black 2 2 0 0 2.0 100.0 425.0 1117.1 1542.1
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 5 3 0 2 3.0 60.0 85.0 1166.8 1251.8
White 3 1 0 2 1.0 33.3 -141.7 1200.0 1058.3
Black 2 2 0 0 2.0 100.0 425.0 1117.1 1542.1
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 1060096340 Nwadi, FK (Franklin) 1 1.0 1 0 0 100.0 500.0 425.0 925.0 View list
2 105090892 Boonzaaier, H (Henk) 1 1.0 1 0 0 100.0 500.0 425.0 925.0 View list
3 107090813 Smith, A (Avon) 1 1.0 1 0 0 100.0 500.0 425.0 925.0 View list
4 105092331 Stevens, W (Werner) 1 0.0 0 0 1 0.0 500.0 -425.0 75.0 View list
5 105090890 Scheepers, J (Jonathan) 1 0.0 0 0 1 0.0 500.0 -425.0 75.0 View list