Player Page

De Boer, A (Andrew)
Dob: 2010/06/23 (U16)
Gender: Male
Chess SA id: 1100138317
FIDE id:
Region: West Coast Union (WCU)
Citizen: RSA
Title(s):
Last active: 2024/05/11 (66 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 rating1383.5
Current Weighted rating1353.7
Current Weighted performance1256.4
Current official/published rating (highest between Raw, WR and WP)1383.5
Current highest rating achieved1400.4
Current floor (min rating allowed)900.4
Current K-factor32
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)±127.7
Current Raw change used (final)0.0
Projected new Raw rating1383.5
Projected new Weighed rating1248.9
Projected new Weighted performance1256.4
Projected new final Raw rating (if new WP > new Raw)1383.5
Projected new highest rating1400.4
Projected new floor900.4
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1383.5
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 rating1291.1
Current Weighted rating1258.7
Current Weighted performance1172.5
Current official/published rating (highest between Raw, WR and WP)1291.1
Current highest rating achieved1291.1
Current floor (min rating allowed)791.1
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)±145.6
Current Raw change used (final)0.0
Projected new Raw rating1291.1
Projected new Weighed rating1160.3
Projected new Weighted performance1172.5
Projected new final Raw rating (if new WP > new Raw)1291.1
Projected new highest rating1291.1
Projected new floor791.1
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1291.1
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 rating1369.9
Current Weighted rating1363.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1369.9
Current highest rating achieved1400.6
Current floor (min rating allowed)900.6
Current K-factor32
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)±130.2
Current Raw change used (final)0.0
Projected new Raw rating1369.9
Projected new Weighed rating1257.1
Projected new Weighted performance1199.8
Projected new final Raw rating (if new WP > new Raw)1369.9
Projected new highest rating1400.6
Projected new floor900.6
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1369.9
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
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
1 Lower West Top Schools 2024 (U18) 2024/05/11 2024/05/11 West Coast (WCU) Rapid 30 0.60 5 4 1.5 1400.4 1400.6 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
10 Lower West Top Schools 2024 (U18) 2024/05/11 2024/05/11 West Coast (WCU) Rapid 30 0.60 5 4 1.5 1400.4 1400.6 Analysis
9 West Coast Primary Schools Grand Challenge League 2023 (Primary School) 2023/10/21 2023/10/21 West Coast (WCU) Rapid 15 0.39 5 5 4.0 1383.0 1331.1 Analysis
8 Western Cape Top Schools 2023 (U13 Mixed) 2023/09/02 2023/09/03 Cape Winelands (WCW) Standard 60 0.83 6 5 3.5 1304.5 1232.4 Analysis
7 Pedro Booyse Top Schools 2023 (U13) 2023/07/29 2023/07/29 West Coast (WCU) Standard 60 0.83 5 5 4.0 1256.3 1164.0 Analysis
6 Western Cape PS Individuals 2023 (U13 Boys) 2023/05/05 2023/05/06 Cape Town (WCT) Standard 60 0.83 6 6 2.0 1268.8 1166.8 Analysis
5 Lower West Coast Primary Schools Prestige Championships 2023 (U13 Boys) 2023/03/04 2023/03/04 West Coast (WCU) Rapid 30 0.60 5 5 5.0 1214.6 1251.2 Analysis
4 West Coast Schools Chess Grand Challenge 2022 (PS Development) 2022/10/29 2022/10/29 West Coast (WCU) Rapid 30 0.60 5 5 4.0 1176.7 1198.0 Analysis
3 Pedro Booyse Top Schools 2022 (U13 Open) 2022/07/23 2022/07/23 West Coast (WCU) Standard 60 0.83 5 3 1.0 1188.3 1187.2 Analysis
2 Onder-Weskus Top Skole 2022 (O13 Seuns) 2022/06/04 2022/06/04 West Coast (WCU) Rapid 30 0.60 5 2 1.0 1189.7 1200.0 Analysis
1 West Coast Schools Prestige 2022 (U13 Boys) 2022/02/19 2022/02/19 West Coast (WCU) Standard 60 0.83 6 3 1.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 4 1 1 2 1.5 37.5 -106.3 1317.5 1211.3
White 2 0 1 1 0.5 25.0 -212.5 1289.8 1077.3
Black 2 1 0 1 1.0 50.0 0.0 1345.2 1345.2
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 4 1 1 2 1.5 37.5 -106.3 1317.5 1211.3
White 2 0 1 1 0.5 25.0 -212.5 1289.8 1077.3
Black 2 1 0 1 1.0 50.0 0.0 1345.2 1345.2
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 43 26 2 15 27.0 62.8 108.7 1273.1 1381.8
White 20 11 2 7 12.0 60.0 85.0 1282.9 1367.9
Black 23 15 0 8 15.0 65.2 129.3 1264.6 1393.9
Standard All 22 11 1 10 11.5 52.3 19.3 1297.4 1316.8
White 11 5 1 5 5.5 50.0 0.0 1310.7 1310.7
Black 11 6 0 5 6.0 54.5 38.6 1284.1 1322.8
Rapid All 21 15 1 5 15.5 73.8 202.4 1247.6 1450.0
White 9 6 1 2 6.5 72.2 188.9 1248.9 1437.8
Black 12 9 0 3 9.0 75.0 212.5 1246.6 1459.1
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 2110131943 Sikhondo, N (Nevilene) 2 1.0 1 0 1 50.0 1280.4 0.0 1280.4 View list
2 1100138326 Koopman, T (Tyler) 2 0.0 0 0 2 0.0 1325.9 -425.0 900.9 View list
3 1110161810 Anthony, R (Raqib) 1 1.0 1 0 0 100.0 1304.5 425.0 1729.5 View list
4 1110147347 Jordaan, M (Mc-Nite) 1 1.0 1 0 0 100.0 1176.7 425.0 1601.7 View list
5 1130131921 Jordaan, H (Handre) 1 1.0 1 0 0 100.0 1176.7 425.0 1601.7 View list
6 1120147351 Louw, E (E-Jay) 1 1.0 1 0 0 100.0 1176.7 425.0 1601.7 View list
7 1120139045 Lindeque, C (Carlos) 1 1.0 1 0 0 100.0 1256.3 425.0 1681.3 View list
8 1100153799 Maarman, Z (Zaib) 1 1.0 1 0 0 100.0 1214.6 425.0 1639.6 View list
9 1100138313 Benjamin, L (Landon) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
10 1130139060 Benjamin, E (Entwan) 1 1.0 1 0 0 100.0 1383.0 425.0 1808.0 View list
11 1110109382 Fourie, L (Loftie) 1 1.0 1 0 0 100.0 1268.8 425.0 1693.8 View list
12 1110134294 Erasmus, A (Austin) 1 1.0 1 0 0 100.0 1214.6 425.0 1639.6 View list
13 1100142262 De Wee, N (Noah) 1 1.0 1 0 0 100.0 1214.6 425.0 1639.6 View list
14 1100138315 Conradie, Q (Quewin) 1 1.0 1 0 0 100.0 1189.7 425.0 1614.7 View list
15 1090110397 Makatees, H (Haywill) 1 1.0 1 0 0 100.0 1188.3 425.0 1613.3 View list
16 1130136550 Noble, A (Andrew) 1 1.0 1 0 0 100.0 1383.0 425.0 1808.0 View list
17 1160151390 Oberholzer, J (Justin) 1 1.0 1 0 0 100.0 1383.0 425.0 1808.0 View list
18 1090096256 Ocks, K (Keano) 1 1.0 1 0 0 100.0 1400.4 425.0 1825.4 View list
19 2110153189 Opperman, K (Kelly-Ann) 1 1.0 1 0 0 100.0 1256.3 425.0 1681.3 View list
20 1100153805 Reed, C (Chrisnan) 1 1.0 1 0 0 100.0 1214.6 425.0 1639.6 View list