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: 2024/10/04 (11 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 rating1657.8
Current Weighted rating1561.3
Current Weighted performance1608.8
Current official/published rating (highest between Raw, WR and WP)1657.8
Current highest rating achieved1661.7
Current floor (min rating allowed)1161.7
Current K-factor28
Games played this month5
Score (S)3.5
Expected score (We)4.60
Difference (S-We)-0.91
Current Raw change (no limits, including tournament time weight)-25.6
Current min/max change allowed (with limits)±86.4
Current Raw change used (final)-25.6
Projected new Raw rating1632.2
Projected new Weighed rating1439.1
Projected new Weighted performance1580.7
Projected new final Raw rating (if new WP > new Raw)1632.2
Projected new highest rating1661.7
Projected new floor1161.7
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1632.2
Projected effective change (new Official - current Official)-25.6
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 rating1675.4
Current Weighted rating1583.0
Current Weighted performance1645.6
Current official/published rating (highest between Raw, WR and WP)1675.4
Current highest rating achieved1681.5
Current floor (min rating allowed)1181.5
Current K-factor28
Games played this month5
Score (S)3.5
Expected score (We)4.62
Difference (S-We)-1.12
Current Raw change (no limits, including tournament time weight)-31.4
Current min/max change allowed (with limits)±84.2
Current Raw change used (final)-31.4
Projected new Raw rating1644.0
Projected new Weighed rating1459.4
Projected new Weighted performance1592.5
Projected new final Raw rating (if new WP > new Raw)1644.0
Projected new highest rating1681.5
Projected new floor1181.5
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1644.0
Projected effective change (new Official - current Official)-31.4
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 rating1269.8
Current Weighted rating1234.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1269.8
Current highest rating achieved1269.8
Current floor (min rating allowed)769.8
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 rating1136.6
Projected new Weighted performance512.8
Projected new final Raw rating (if new WP > new Raw)1269.8
Projected new highest rating1269.8
Projected new floor769.8
Projected new K-facor36
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
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 rating1265.0
Current Weighted rating1230.2
Current Weighted performance1283.5
Current official/published rating (highest between Raw, WR and WP)1283.5
Current highest rating achieved1265.0
Current floor (min rating allowed)765.0
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)±151.1
Current Raw change used (final)0.0
Projected new Raw rating1265.0
Projected new Weighed rating1134.0
Projected new Weighted performance1283.5
Projected new final Raw rating (if new WP > new Raw)1283.5
Projected new highest rating1283.5
Projected new floor783.5
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1283.5
Projected effective change (new Official - current Official)=0.0
Tournaments
Tournament: Gauteng Top Schools 2024 (U13 Open)
Start: 2024/10/04  End: 2024/10/04  Host: GE  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 3.5
Main rating: 1657.8  Rating gain/loss: -25.6
Type rating: 1675.4  Rating gain/loss: -31.4
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
12 Gauteng Top Schools 2024 (U13 Open) 2024/10/04 2024/10/04 Ekurhuleni (GE) Standard 60 0.83 5 5 3.5 1657.8 1675.4 Analysis
11 2024 Curro Hazeldean High Open Chess Tournament (U12) 2024/09/07 2024/09/07 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1621.2 1637.0 Analysis
10 2024 Etienne Lewis (U12) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 6.0 1621.2 1637.0 Analysis
9 D1 Gauteng North District School Closed 2024 (U13) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1614.9 1631.7 Analysis
8 2024 Tshwane Chess FIDE RATED Blitz League Championship 1 2024/05/26 2024/05/26 Tshwane (GTP) Blitz 5 0.18 9 9 4.5 1623.3 1228.3 Analysis
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
44 Gauteng Top Schools 2024 (U13 Open) 2024/10/04 2024/10/04 Ekurhuleni (GE) Standard 60 0.83 5 5 3.5 1657.8 1675.4 Analysis
43 2024 Curro Hazeldean High Open Chess Tournament (U12) 2024/09/07 2024/09/07 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1621.2 1637.0 Analysis
42 2024 Etienne Lewis (U12) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 6.0 1621.2 1637.0 Analysis
41 D1 Gauteng North District School Closed 2024 (U13) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1614.9 1631.7 Analysis
40 2024 Tshwane Chess FIDE RATED Blitz League Championship 1 2024/05/26 2024/05/26 Tshwane (GTP) Blitz 5 0.18 9 9 4.5 1623.3 1228.3 Analysis
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
123
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 70 49 3 18 50.5 72.1 188.2 1438.8 1627.0
White 34 22 2 10 23.0 67.6 150.0 1436.4 1586.4
Black 36 27 1 8 27.5 76.4 224.3 1441.1 1665.4
Standard All 56 41 2 13 42.0 75.0 212.5 1438.0 1650.5
White 27 19 1 7 19.5 72.2 188.9 1436.6 1625.5
Black 29 22 1 6 22.5 77.6 234.5 1439.2 1673.7
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 9 4 1 4 4.5 50.0 0.0 1467.8 1467.8
White 5 2 1 2 2.5 50.0 0.0 1445.7 1445.7
Black 4 2 0 2 2.0 50.0 0.0 1495.4 1495.4
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 257 159 11 87 164.5 64.0 119.1 1367.9 1487.0
White 127 84 4 39 86.0 67.7 150.6 1343.6 1494.2
Black 130 75 7 48 78.5 60.4 88.3 1391.7 1479.9
Standard All 193 127 9 57 131.5 68.1 154.1 1354.9 1509.0
White 96 66 3 27 67.5 70.3 172.7 1337.2 1509.8
Black 97 61 6 30 64.0 66.0 135.8 1372.4 1508.2
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 59 28 2 29 29.0 49.2 -7.2 1408.1 1400.9
White 29 17 1 11 17.5 60.3 87.9 1360.2 1448.1
Black 30 11 1 18 11.5 38.3 -99.2 1454.5 1355.3
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 1140135082 Janse Van Rensburg, J (Josh) 3 3.0 3 0 0 100.0 1358.1 425.0 1783.1 View list
4 1120119689 Rust, C (Christoph) 3 2.0 2 0 1 66.7 1544.8 141.7 1686.4 View list
5 1130117291 Weng, D (Daniel) 3 1.0 1 0 2 33.3 1297.5 -141.7 1155.8 View list
6 1000134206 Makatwane, L (Lethabo) 3 1.0 0 2 1 33.3 1526.1 -141.7 1384.5 View list
7 177086357 Jacobs, GJ (Gerhard) 3 0.0 0 0 3 0.0 1546.5 -425.0 1121.5 View list
8 1140134429 Botha, G (Gregory) 2 2.0 2 0 0 100.0 1200.0 425.0 1625.0 View list
9 1140137652 Aikman, D (Desmond Gustav) 2 2.0 2 0 0 100.0 1318.6 425.0 1743.6 View list
10 2120108352 De Swardt, M (Mieke) 2 2.0 2 0 0 100.0 1578.7 425.0 2003.7 View list
11 1130143045 Ebersohn, G (Gerhard) 2 2.0 2 0 0 100.0 1562.1 425.0 1987.1 View list
12 1130143688 Gupta, A (Akul) 2 2.0 2 0 0 100.0 1593.8 425.0 2018.8 View list
13 1120136689 Kalimashe, T (Tshireletso) 2 2.0 2 0 0 100.0 1565.7 425.0 1990.7 View list
14 2130154142 Mabasa, D (Dzunani) 2 2.0 2 0 0 100.0 1621.2 425.0 2046.2 View list
15 1120155263 Malobola, S (Surprise) 2 2.0 2 0 0 100.0 1558.9 425.0 1983.9 View list
16 1130131224 Minny, O (Oban) 2 2.0 2 0 0 100.0 1556.8 425.0 1981.8 View list
17 1130136640 Mkotong, R (Reagile) 2 2.0 2 0 0 100.0 1562.1 425.0 1987.1 View list
18 1130138297 Scheepers, T (Tristian) 2 2.0 2 0 0 100.0 1264.0 425.0 1689.0 View list
19 1130130105 Slabbert, M (Marko) 2 2.0 2 0 0 100.0 1472.1 425.0 1897.1 View list
20 206084814 Stander, L (Lizanne) 2 2.0 2 0 0 100.0 1553.6 425.0 1978.6 View list