Player Page

Van Der Merwe, J (Jaco)
Dob: 2003/11/14 (Adult)
Gender: Male
Chess SA id: 103079983
FIDE id:
Region: Buffalo City (EBC)
Citizen: RSA
Title(s):
Last active: 2022/11/12 (587 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 rating1223.7
Current Weighted rating1222.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1223.7
Current highest rating achieved1223.7
Current floor (min rating allowed)723.7
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)±160.3
Current Raw change used (final)0.0
Projected new Raw rating1223.7
Projected new Weighed rating1125.3
Projected new Weighted performance565.2
Projected new final Raw rating (if new WP > new Raw)1223.7
Projected new highest rating1223.7
Projected new floor723.7
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1223.7
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 rating1179.6
Current Weighted rating1179.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1179.6
Current highest rating achieved1179.6
Current floor (min rating allowed)679.6
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)±170.7
Current Raw change used (final)0.0
Projected new Raw rating1179.6
Projected new Weighed rating1085.2
Projected new Weighted performance594.9
Projected new final Raw rating (if new WP > new Raw)1179.6
Projected new highest rating1179.6
Projected new floor679.6
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1179.6
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 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
2 Slum Knights 6th Open 2022 (B) 2022/11/12 2022/11/12 Buffalo City (EBC) Rapid 20 0.47 8 8 4.5 1196.8 1176.0 Analysis
1 BC Chess Trials 5 of 5 2022 (B) 2022/06/11 2022/06/11 Buffalo City (EBC) Rapid 20 0.47 7 7 3.0 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 15 7 1 7 7.5 50.0 0.0 1272.0 1272.0
White 8 4 1 3 4.5 56.3 53.1 1234.6 1287.7
Black 7 3 0 4 3.0 42.9 -60.7 1314.8 1254.1
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 15 7 1 7 7.5 50.0 0.0 1272.0 1272.0
White 8 4 1 3 4.5 56.3 53.1 1234.6 1287.7
Black 7 3 0 4 3.0 42.9 -60.7 1314.8 1254.1
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 104056856 Boshoff, P (Pieter) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
2 1060141953 Moonilial, Y (Yashay) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 1080141786 Sibanda, S (Siyabonga) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 1000147937 Ralph, D (Daniel) 1 1.0 1 0 0 100.0 1196.8 425.0 1621.8 View list
5 108054338 Jikijela, A (Awenkosi) 1 1.0 1 0 0 100.0 1196.8 425.0 1621.8 View list
6 2100109242 George, A (Alaina) 1 1.0 1 0 0 100.0 1196.8 425.0 1621.8 View list
7 1120138560 Dyakopu, T (Thankdo) 1 1.0 1 0 0 100.0 1196.8 425.0 1621.8 View list
8 1100100199 Botha, T (Tyler) 1 0.5 0 1 0 50.0 1196.8 0.0 1196.8 View list
9 1080141784 Sakhela, L (Lathitha) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
10 1120109254 Mazikana, E (Ethan) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
11 1120131139 Mabhera, J (Jedidiah) 1 0.0 0 0 1 0.0 1196.8 -425.0 771.8 View list
12 2060141955 Qengqa, A (Asitha) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
13 108088680 Pearson, E (Ethan) 1 0.0 0 0 1 0.0 1196.8 -425.0 771.8 View list
14 108088678 Pearson, D (Dane) 1 0.0 0 0 1 0.0 1196.8 -425.0 771.8 View list
15 1110109264 Gower, D (Daniel) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list