Player Page

Buys, D (David)
Dob: 2007/07/17 (U18)
Gender: Male
Chess SA id: 1070103477
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2023/07/15 (448 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 rating1276.5
Current Weighted rating1271.0
Current Weighted performance885.5
Current official/published rating (highest between Raw, WR and WP)1276.5
Current highest rating achieved1276.5
Current floor (min rating allowed)776.5
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)±148.7
Current Raw change used (final)0.0
Projected new Raw rating1276.5
Projected new Weighed rating1170.2
Projected new Weighted performance885.5
Projected new final Raw rating (if new WP > new Raw)1276.5
Projected new highest rating1276.5
Projected new floor776.5
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1276.5
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 rating1237.0
Current Weighted rating1236.5
Current Weighted performance696.1
Current official/published rating (highest between Raw, WR and WP)1237.0
Current highest rating achieved1238.8
Current floor (min rating allowed)738.8
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)±157.3
Current Raw change used (final)0.0
Projected new Raw rating1237.0
Projected new Weighed rating1137.8
Projected new Weighted performance696.1
Projected new final Raw rating (if new WP > new Raw)1237.0
Projected new highest rating1238.8
Projected new floor738.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1237.0
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 rating1152.8
Current Weighted rating1141.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1152.8
Current highest rating achieved1152.8
Current floor (min rating allowed)652.8
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)±177.3
Current Raw change used (final)0.0
Projected new Raw rating1152.8
Projected new Weighed rating1051.9
Projected new Weighted performance515.2
Projected new final Raw rating (if new WP > new Raw)1152.8
Projected new highest rating1152.8
Projected new floor652.8
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1152.8
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
14 Curro Durbanville Chess Open Rapid 2023 (Intermediate) 2023/07/15 2023/07/15 Cape Town (WCT) Rapid 35 0.66 6 6 4.0 1234.2 1059.6 Analysis
13 Cape Town Metro Schools Chess Closed Individuals 2023 (U17 Boys) 2023/03/03 2023/03/04 Cape Town (WCT) Standard 60 0.83 6 2 1.0 1235.4 1238.8 Analysis
12 Central District School Trials 2023 (U17 Boys) 2023/02/03 2023/02/04 Cape Town (WCT) Standard 60 0.83 6 6 3.0 1213.6 1213.2 Analysis
11 2020 Metro Trials (U13 Boys) 2020/03/13 2020/03/14 Cape Town (WCT) Standard 60 0.83 5 5 2.0 1162.5 1170.8 Analysis
10 2020 Western Province Open (Prestige) 2020/03/07 2020/03/08 Cape Town (WCT) Standard 70 0.87 6 6 3.0 1162.5 1170.8 Analysis
9 2020 Cape Of Good Hope Open (Open) 2020/02/21 2020/02/23 Cape Town (WCT) Standard 70 0.87 6 4 1.0 1112.5 1123.6 Analysis
8 2020 Central District (U13) 2020/02/07 2020/02/08 Cape Town (WCT) Standard 60 0.83 6 5 4.0 1112.5 1123.6 Analysis
7 2019 Wild Card Chess Championship (U14 Open) 2020/01/09 2020/01/12 4 Knights (4K) Standard 120 1.00 7 7 3.0 1108.1 1143.2 Analysis
6 2019 South African Junior Team Championships (U18C) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 5 2.0 1108.1 1143.2 Analysis
5 Curro Durbanville Chess Tournament 2019 (Premier) 2019/08/23 2019/08/24 Cape Town (WCT) Standard 60 0.83 6 5 3.0 1054.0 1092.4 Analysis
4 2019 Western Province Open (Open) 2019/05/25 2019/05/26 Cape Town (WCT) Standard 70 0.87 6 3 1.0 1057.5 1104.4 Analysis
3 Grassy Park Open 2018 (U12) 2018/06/30 2018/06/30 Cape Town (WCT) Rapid 30 0.60 5 4 1.0 1200.0 1200.0 Analysis
2 Stellenberg Youth Chess Champs 2018 (D) 2018/06/23 2018/06/23 Cape Town (WCT) Standard 60 0.83 5 5 1.0 1200.0 1200.0 Analysis
1 Eldo Smart Memorial Rapid Tournament 2018 2018/06/16 2018/06/16 Cape Town (WCT) Rapid 20 0.47 7 7 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 70 29 4 37 31.0 44.3 -48.6 1221.2 1172.6
White 36 13 4 19 15.0 41.7 -70.8 1211.4 1140.5
Black 34 16 0 18 16.0 47.1 -25.0 1231.6 1206.6
Standard All 53 23 2 28 24.0 45.3 -40.1 1223.1 1183.0
White 27 11 2 14 12.0 44.4 -47.2 1211.7 1164.5
Black 26 12 0 14 12.0 46.2 -32.7 1235.0 1202.3
Rapid All 17 6 2 9 7.0 41.2 -75.0 1215.3 1140.3
White 9 2 2 5 3.0 33.3 -141.7 1210.4 1068.7
Black 8 4 0 4 4.0 50.0 0.0 1220.8 1220.8
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 209093030 Pretorius, A (Amanda Karen) 2 1.0 1 0 1 50.0 1127.0 0.0 1127.0 View list
2 107064069 Drury, N (Nicholas) 1 1.0 1 0 0 100.0 1162.5 425.0 1587.5 View list
3 2050103564 De Beer, H (Haylie) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
4 1070138635 Da Silva, J (Joshua) 1 1.0 1 0 0 100.0 1235.4 425.0 1660.4 View list
5 208089521 Cloete, J (Jessie) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
6 206092089 Choli, T (Thimwa Angel) 1 1.0 1 0 0 100.0 1234.2 425.0 1659.2 View list
7 1120112770 Botha, E (Eduan) 1 1.0 1 0 0 100.0 1054.0 425.0 1479.0 View list
8 1070108424 Abrahams, O (Omar) 1 1.0 1 0 0 100.0 1112.5 425.0 1537.5 View list
9 1090103476 Abrahams, C (Camryn) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
10 1070130582 Beosumbar, A (Aryan) 1 1.0 1 0 0 100.0 1162.5 425.0 1587.5 View list
11 195095767 Hartley, E (Ebraheem) 1 1.0 1 0 0 100.0 1234.2 425.0 1659.2 View list
12 2080105925 Gradum-Samson, G (Grace-Ann) 1 1.0 1 0 0 100.0 1112.5 425.0 1537.5 View list
13 110095315 Francke, M (Matthew) 1 1.0 1 0 0 100.0 1054.0 425.0 1479.0 View list
14 1070103483 Jali, H (Hlumelo) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
15 1040132967 Kabongo, M (Mark) 1 1.0 1 0 0 100.0 1234.2 425.0 1659.2 View list
16 1060101324 Kruger, C (Cornelius) 1 1.0 1 0 0 100.0 1108.1 425.0 1533.1 View list
17 107088030 Lusi, L (Lunathi) 1 1.0 1 0 0 100.0 1108.1 425.0 1533.1 View list
18 105093231 Maboe, M (Marvin) 1 1.0 1 0 0 100.0 1108.1 425.0 1533.1 View list
19 2020110984 Madzivhandila, M (Mutshidzi) 1 1.0 1 0 0 100.0 1108.1 425.0 1533.1 View list
20 1060150618 Marsh, A (Aiden) 1 1.0 1 0 0 100.0 1213.6 425.0 1638.6 View list