Player Page

De Bruyn, L (Lian)
Dob: 2014/01/20 (U12)
Gender: Male
Chess SA id: 1140147130
FIDE id:
Region: Bojanala Platina (NBR)
Citizen: RSA
Title(s):
Last active: 2024/01/14 (162 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 rating1334.7
Current Weighted rating1296.1
Current Weighted performance1244.3
Current official/published rating (highest between Raw, WR and WP)1334.7
Current highest rating achieved1334.7
Current floor (min rating allowed)834.7
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)±136.9
Current Raw change used (final)0.0
Projected new Raw rating1334.7
Projected new Weighed rating1195.0
Projected new Weighted performance1244.3
Projected new final Raw rating (if new WP > new Raw)1334.7
Projected new highest rating1334.7
Projected new floor834.7
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1334.7
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 rating1332.3
Current Weighted rating1298.4
Current Weighted performance1244.3
Current official/published rating (highest between Raw, WR and WP)1332.3
Current highest rating achieved1332.3
Current floor (min rating allowed)832.3
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)±137.3
Current Raw change used (final)0.0
Projected new Raw rating1332.3
Projected new Weighed rating1196.9
Projected new Weighted performance1244.3
Projected new final Raw rating (if new WP > new Raw)1332.3
Projected new highest rating1332.3
Projected new floor832.3
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1332.3
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 rating1175.2
Current Weighted rating1175.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1175.7
Current highest rating achieved1175.2
Current floor (min rating allowed)675.2
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)±171.8
Current Raw change used (final)0.0
Projected new Raw rating1175.2
Projected new Weighed rating1081.4
Projected new Weighted performance282.2
Projected new final Raw rating (if new WP > new Raw)1175.2
Projected new highest rating1175.2
Projected new floor675.2
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1175.2
Projected effective change (new Official - current Official)-0.5
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 2024 Gauteng Inter-Region Chess Championship (U10A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1327.9 1328.0 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
8 2024 Gauteng Inter-Region Chess Championship (U10A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1327.9 1328.0 Analysis
7 2023 Gauteng Top Schools (U9 Mixed) 2023/08/18 2023/08/18 West Rand (GWR) Standard 60 0.83 5 5 4.0 1248.7 1258.3 Analysis
6 2023 Ekurhuleni North District Schools Finals (U9) 2023/07/29 2023/07/29 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1241.5 1251.8 Analysis
5 Ekurhuleni Chess Trial 3 2023 (U10) 2023/06/17 2023/06/17 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1229.0 1237.8 Analysis
4 Ekurhuleni North Schools Individual Finals 2023 (U9 Boys) 2023/05/12 2023/05/12 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1216.7 1225.6 Analysis
3 Ekhuruleni Chess Trials 1 2023 (U8+U10) 2023/03/25 2023/03/25 Ekurhuleni (GE) Standard 60 0.83 5 4 1.5 1186.3 1200.0 Analysis
2 Ekurhuleni Springs Open 4 March 2023 (E) 2023/03/04 2023/03/04 Ekurhuleni (GE) Standard 62 0.84 5 5 4.0 1186.3 1200.0 Analysis
1 Super 8 Skaak 2022 (Juniors) 2022/10/15 2022/10/15 Bojanala Platina (NBR) Rapid 30 0.60 3 3 1.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 5 3 0 2 3.0 60.0 85.0 1282.8 1367.8
White 3 2 0 1 2.0 66.7 141.7 1247.2 1388.9
Black 2 1 0 1 1.0 50.0 0.0 1336.3 1336.3
Standard All 5 3 0 2 3.0 60.0 85.0 1282.8 1367.8
White 3 2 0 1 2.0 66.7 141.7 1247.2 1388.9
Black 2 1 0 1 1.0 50.0 0.0 1336.3 1336.3
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 37 21 3 13 22.5 60.8 91.9 1217.2 1309.1
White 21 11 2 8 12.0 57.1 60.7 1208.7 1269.4
Black 16 10 1 5 10.5 65.6 132.8 1228.4 1361.2
Standard All 34 21 1 12 21.5 63.2 112.5 1217.3 1329.8
White 18 11 0 7 11.0 61.1 94.4 1207.5 1301.9
Black 16 10 1 5 10.5 65.6 132.8 1228.4 1361.2
Rapid All 3 0 2 1 1.0 33.3 -141.7 1215.7 1074.0
White 3 0 2 1 1.0 33.3 -141.7 1215.7 1074.0
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1150161308 Moustafis, A (Andoni) 2 2.0 2 0 0 100.0 1245.1 425.0 1670.1 View list
2 1140151777 Verwey, R (Reuben) 2 2.0 2 0 0 100.0 1207.7 425.0 1632.7 View list
3 2140135386 Van Der Schyff, M (Mila-Ne) 2 0.0 0 0 2 0.0 1186.3 -425.0 761.3 View list
4 1170158311 Abdul, M (Muhammed Ayaan) 1 1.0 1 0 0 100.0 1248.7 425.0 1673.7 View list
5 1150153036 Mosala, A (Atlehang) 1 1.0 1 0 0 100.0 1229.0 425.0 1654.0 View list
6 1140155140 Mokoka, L (Lesego) 1 1.0 1 0 0 100.0 1216.7 425.0 1641.7 View list
7 1150149231 Laubscher, D (Declan) 1 1.0 1 0 0 100.0 1327.9 425.0 1752.9 View list
8 1150139955 De Lange, M (Marcel) 1 1.0 1 0 0 100.0 1248.7 425.0 1673.7 View list
9 1140155130 Davis, J (Joshua) 1 1.0 1 0 0 100.0 1241.5 425.0 1666.5 View list
10 1140143723 Collins, J (Jaytem) 1 1.0 1 0 0 100.0 1186.3 425.0 1611.3 View list
11 2140161272 Christie, M (Milece) 1 1.0 1 0 0 100.0 1248.7 425.0 1673.7 View list
12 1140144435 Chaves, X (Xavier) 1 1.0 1 0 0 100.0 1216.7 425.0 1641.7 View list
13 1160154051 Botha, D (Dillen) 1 1.0 1 0 0 100.0 1241.5 425.0 1666.5 View list
14 1140162666 Kharafu, O (Oratile Augustine) 1 1.0 1 0 0 100.0 1327.9 425.0 1752.9 View list
15 1150155142 Mushata, J (Jayden Kudakwashe) 1 1.0 1 0 0 100.0 1216.7 425.0 1641.7 View list
16 2140151770 Noack, A (Angelica) 1 1.0 1 0 0 100.0 1186.3 425.0 1611.3 View list
17 1150147324 Robinson, Z (Zachariah) 1 1.0 1 0 0 100.0 1229.0 425.0 1654.0 View list
18 1140137418 Van Der Wath, L (Logan) 1 1.0 1 0 0 100.0 1327.9 425.0 1752.9 View list
19 2140153042 Weakley, A (Alexandra) 1 1.0 1 0 0 100.0 1186.3 425.0 1611.3 View list
20 2150148082 Wong, K (Kayla) 1 1.0 1 0 0 100.0 1186.3 425.0 1611.3 View list