Player Page

Van Der Westhuizen, L (Lihan)
Dob: 2013/02/15 (U12)
Gender: Male
Chess SA id: 1130140475
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/05/01 (15 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
Curent Raw rating1661.7
Curent Weighted rating1506.4
Curent Weighted performance1669.4
Current official/published rating (highest between Raw, WR and WP)1661.7
Current floor (min rating allowed)1161.7
Current highest rating achieved1661.7
Current K-factor28
Games played this month9
Score (S)5.0
Expected score (We)6.53
Difference (S-We)-1.53
Current Raw change (no limits, including tournament time weight)-42.8
Current min/max change allowed (with limits)±85.9
Current Raw change used (final)-42.8
Projected new Raw rating1618.9
Projected new Weighed rating1518.9
Projected new Weighted performance1669.4
Projected new official/published rating (highest between new Raw, new WR and new WP)1669.4
Projected effective change (new Official - current Official)+7.7
Projected new highest rating1661.7
Projected new floor1161.7
Projected new K-facor28
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
Curent Raw rating1681.5
Curent Weighted rating1529.6
Curent Weighted performance1672.8
Current official/published rating (highest between Raw, WR and WP)1681.5
Current floor (min rating allowed)1181.5
Current highest rating achieved1681.5
Current K-factor28
Games played this month9
Score (S)5.0
Expected score (We)6.78
Difference (S-We)-1.78
Current Raw change (no limits, including tournament time weight)-49.8
Current min/max change allowed (with limits)±83.5
Current Raw change used (final)-49.8
Projected new Raw rating1631.7
Projected new Weighed rating1541.4
Projected new Weighted performance1672.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1672.8
Projected effective change (new Official - current Official)-8.7
Projected new highest rating1681.5
Projected new floor1181.5
Projected new K-facor28
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
Curent Raw rating1269.8
Curent Weighted rating1210.9
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1269.8
Current floor (min rating allowed)769.8
Current highest rating achieved1269.8
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)±150.1
Current Raw change used (final)0.0
Projected new Raw rating1269.8
Projected new Weighed rating1216.1
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1269.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1269.8
Projected new floor769.8
Projected new K-facor36
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
Curent Raw rating1228.3
Curent Weighted rating1198.8
Curent Weighted performance1142.8
Current official/published rating (highest between Raw, WR and WP)1228.3
Current floor (min rating allowed)769.8
Current highest rating achieved1246.0
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)±159.3
Current Raw change used (final)0.0
Projected new Raw rating1228.3
Projected new Weighed rating1204.0
Projected new Weighted performance1142.8
Projected new official/published rating (highest between new Raw, new WR and new WP)1228.3
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1246.0
Projected new floor769.8
Projected new K-facor36
Tournaments
Tournament: South African Junior Closed Chess Championship 2024 (U12 Open)
Start: 2024/04/27  End: 2024/05/01  Host: GE  Type: Standard   Time: 120  Time weight: 1.00  Rounds: 9
Games: 9  Score: 5.0
Main rating: 1661.7  Rating gain/loss: -42.8
Type rating: 1681.5  Rating gain/loss: -49.8
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
7 South African Junior Closed Chess Championship 2024 (U12 Open) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 5.0 1661.7 1681.5 Analysis
6 2024 West Rand RHS Open (U12) 2024/04/13 2024/04/13 West Rand (GWR) Standard 60 0.83 5 5 5.0 1549.1 1560.0 Analysis
5 Bojanala's Rating Express 2024 (Knights) 2024/04/06 2024/04/06 Bojanala Platina (NBR) Standard 60 0.83 5 5 5.0 1549.1 1560.0 Analysis
4 CPH St Andrew's Rapid 2024 (B) 2024/03/30 2024/03/30 Ekurhuleni (GE) Rapid 20 0.47 5 5 4.0 1525.9 1200.0 Analysis
3 Schoemies' Kings & Queens 2024 (Queens) 2024/03/02 2024/03/02 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.0 1525.9 1550.5 Analysis
2 2024 Tshwane Chess OPEN Registration Tournament (B) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 1.5 1469.7 1520.3 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U12A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 5.0 1469.7 1520.3 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
39 South African Junior Closed Chess Championship 2024 (U12 Open) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 5.0 1661.7 1681.5 Analysis
38 2024 West Rand RHS Open (U12) 2024/04/13 2024/04/13 West Rand (GWR) Standard 60 0.83 5 5 5.0 1549.1 1560.0 Analysis
37 Bojanala's Rating Express 2024 (Knights) 2024/04/06 2024/04/06 Bojanala Platina (NBR) Standard 60 0.83 5 5 5.0 1549.1 1560.0 Analysis
36 CPH St Andrew's Rapid 2024 (B) 2024/03/30 2024/03/30 Ekurhuleni (GE) Rapid 20 0.47 5 5 4.0 1525.9 1200.0 Analysis
35 Schoemies' Kings & Queens 2024 (Queens) 2024/03/02 2024/03/02 Bojanala Platina (NBR) Standard 60 0.83 5 5 2.0 1525.9 1550.5 Analysis
34 2024 Tshwane Chess OPEN Registration Tournament (B) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 1.5 1469.7 1520.3 Analysis
33 2024 Gauteng Inter-Region Chess Championship (U12A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 5.0 1469.7 1520.3 Analysis
32 Tshwane Chess Arbiter Norm Blitz Tournament 2023 2023/10/29 2023/10/29 Tshwane (GTP) Blitz 5 0.18 11 11 6.0 1513.4 1246.0 Analysis
31 Lardies Open Tournament 2023 (B) 2023/10/28 2023/10/28 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1513.4 1544.4 Analysis
30 2023 Gauteng Noord (B) 2023/10/14 2023/10/15 Tshwane (GTP) Standard 90 0.94 5 5 2.0 1513.4 1544.4 Analysis
29 2023 Tuks Open Chess Tournament (B) 2023/10/07 2023/10/07 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1513.4 1544.4 Analysis
28 2023 Alekhine Open Tournament (B) 2023/09/09 2023/09/10 Tshwane (GTP) Standard 90 0.94 5 4 1.5 1551.6 1587.5 Analysis
27 2023 Etienne Lewis Closed Tournament (U12) 2023/08/25 2023/08/27 Tshwane (GTP) Standard 90 0.94 7 7 5.5 1542.5 1586.9 Analysis
26 2023 Tshwane Chess FIDE Rated Blitz League 4 2023/08/13 2023/08/13 Tshwane (GTP) Blitz 5 0.18 9 9 4.5 1542.5 1215.6 Analysis
25 2023 Menlo Open Tournament (B) 2023/07/22 2023/07/22 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1564.7 1614.1 Analysis
24 Tshwane Chess FIDE Rated Blitz League 3 2023 2023/07/16 2023/07/16 Tshwane (GTP) Blitz 5 0.18 9 8 4.0 1564.7 1169.6 Analysis
23 2023 Tshwane Chess FIDE Rated Blitz League 1 2023/05/28 2023/05/28 Tshwane (GTP) Blitz 5 0.18 9 9 5.0 1502.9 1131.6 Analysis
22 Gauteng Schools Individual Finals 2023 (U11 Boys) 2023/05/26 2023/05/26 Ekurhuleni (GE) Standard 60 0.83 5 5 5.0 1502.9 1496.6 Analysis
21 2023 Gauteng North School District CLOSED Individual Championships (U11 Boys) 2023/05/13 2023/05/13 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1502.9 1496.6 Analysis
20 Silver Lakes Open Chess Tournament (B) 2023/04/15 2023/04/15 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1492.5 1489.0 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 39 27 1 11 27.5 70.5 174.4 1478.8 1653.1
White 18 11 0 7 11.0 61.1 94.4 1480.2 1574.7
Black 21 16 1 4 16.5 78.6 242.9 1477.5 1720.3
Standard All 34 23 1 10 23.5 69.1 162.5 1490.9 1653.4
White 16 10 0 6 10.0 62.5 106.3 1489.1 1595.3
Black 18 13 1 4 13.5 75.0 212.5 1492.6 1705.1
Rapid All 5 4 0 1 4.0 80.0 255.0 1395.9 1650.9
White 2 1 0 1 1.0 50.0 0.0 1409.5 1409.5
Black 3 3 0 0 3.0 100.0 425.0 1386.9 1811.9
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 226 137 9 80 141.5 62.6 107.2 1365.1 1472.3
White 111 73 2 36 74.0 66.7 141.7 1337.3 1479.0
Black 115 64 7 44 67.5 58.7 73.9 1391.9 1465.8
Standard All 171 109 8 54 113.0 66.1 136.7 1354.7 1491.4
White 85 57 2 26 58.0 68.2 155.0 1334.2 1489.2
Black 86 52 6 28 55.0 64.0 118.6 1375.0 1493.6
Rapid All 5 4 0 1 4.0 80.0 255.0 1395.9 1650.9
White 2 1 0 1 1.0 50.0 0.0 1409.5 1409.5
Black 3 3 0 0 3.0 100.0 425.0 1386.9 1811.9
Blitz All 50 24 1 25 24.5 49.0 -8.5 1397.4 1388.9
White 24 15 0 9 15.0 62.5 106.3 1342.4 1448.6
Black 26 9 1 16 9.5 36.5 -114.4 1448.2 1333.7
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1130140635 Ribbens, R (Reuben) 6 3.0 2 2 2 50.0 1444.3 0.0 1444.3 View list
2 1980136630 Chauke, N (Nicholus) 4 1.0 1 0 3 25.0 1421.2 -212.5 1208.7 View list
3 1120119689 Rust, C (Christoph) 3 2.0 2 0 1 66.7 1544.8 141.7 1686.4 View list
4 1130117291 Weng, D (Daniel) 3 1.0 1 0 2 33.3 1297.5 -141.7 1155.8 View list
5 1000134206 Makatwane, L (Lethabo) 3 1.0 0 2 1 33.3 1526.1 -141.7 1384.5 View list
6 1140134429 Botha, G (Gregory) 2 2.0 2 0 0 100.0 1200.0 425.0 1625.0 View list
7 1140137652 Aikman, D (Desmond Gustav) 2 2.0 2 0 0 100.0 1318.6 425.0 1743.6 View list
8 1130143688 Gupta, A (Akul) 2 2.0 2 0 0 100.0 1593.8 425.0 2018.8 View list
9 1140135082 Janse Van Rensburg, J (Josh) 2 2.0 2 0 0 100.0 1226.5 425.0 1651.5 View list
10 1120136689 Kalimashe, T (Tshireletso) 2 2.0 2 0 0 100.0 1565.7 425.0 1990.7 View list
11 1130138297 Scheepers, T (Tristian) 2 2.0 2 0 0 100.0 1264.0 425.0 1689.0 View list
12 206084814 Stander, L (Lizanne) 2 2.0 2 0 0 100.0 1553.6 425.0 1978.6 View list
13 1120103523 Tolmay, W (Walroux) 2 2.0 2 0 0 100.0 1486.3 425.0 1911.3 View list
14 1130136645 Truscott, A (Adriaan) 2 2.0 2 0 0 100.0 1261.5 425.0 1686.5 View list
15 2120136659 Wiehahn, H (Hailey) 2 2.0 2 0 0 100.0 1459.9 425.0 1884.9 View list
16 1130136148 Conradie, D (Dirk) 2 1.0 1 0 1 50.0 1325.5 0.0 1325.5 View list
17 1130112094 Driscoll, S (Samuel) 2 1.0 1 0 1 50.0 1410.2 0.0 1410.2 View list
18 1090146030 Stephen, B (Bulelani) 2 1.0 1 0 1 50.0 1532.5 0.0 1532.5 View list
19 175000249 Adamson, LJ (Luke) 2 0.0 0 0 2 0.0 1397.8 -425.0 972.8 View list
20 108082684 De Vries, MA (Andrio) 2 0.0 0 0 2 0.0 1361.4 -425.0 936.4 View list