Player Page

Yang, A (Alex)
Dob: 2009/10/16 (U16)
Gender: Male
Chess SA id: 109086362
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2024/09/28 (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 rating1792.9
Current Weighted rating1632.3
Current Weighted performance1787.9
Current official/published rating (highest between Raw, WR and WP)1792.9
Current highest rating achieved1792.9
Current floor (min rating allowed)1292.9
Current K-factor28
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)±71.2
Current Raw change used (final)0.0
Projected new Raw rating1792.9
Projected new Weighed rating1502.3
Projected new Weighted performance1787.9
Projected new final Raw rating (if new WP > new Raw)1792.9
Projected new highest rating1792.9
Projected new floor1292.9
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1792.9
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 rating1788.4
Current Weighted rating1632.1
Current Weighted performance1787.9
Current official/published rating (highest between Raw, WR and WP)1788.4
Current highest rating achieved1788.4
Current floor (min rating allowed)1288.4
Current K-factor28
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)±71.7
Current Raw change used (final)0.0
Projected new Raw rating1788.4
Projected new Weighed rating1502.2
Projected new Weighted performance1787.9
Projected new final Raw rating (if new WP > new Raw)1788.4
Projected new highest rating1788.4
Projected new floor1288.4
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1788.4
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 rating1410.0
Current Weighted rating1388.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1410.0
Current highest rating achieved1410.0
Current floor (min rating allowed)910.0
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)±122.9
Current Raw change used (final)0.0
Projected new Raw rating1410.0
Projected new Weighed rating1278.8
Projected new Weighted performance653.3
Projected new final Raw rating (if new WP > new Raw)1410.0
Projected new highest rating1410.0
Projected new floor910.0
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1410.0
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
11 2024 South Africa National Schools Chess Championship (U15 Boys) 2024/09/27 2024/09/28 Nelson Mandela Bay (ENM) Standard 70 0.87 7 7 6.5 1663.5 1662.6 Analysis
10 2024 Etienne Lewis (U16) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 5.5 1663.5 1662.6 Analysis
9 Gauteng Schools Individuals Finals 2024 (U15 Boys) 2024/08/17 2024/08/17 Ekurhuleni (GE) Standard 60 0.83 5 5 5.0 1663.5 1662.6 Analysis
8 2024 Alekhine Open Chess Tournament (A) 2024/08/09 2024/08/10 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1626.4 1631.4 Analysis
7 D4 Tshwane South District Schools Teams Chess Tournament 2024 (U15A) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1626.4 1631.4 Analysis
6 South African Open Chess Championship 2024 (C) 2024/07/04 2024/07/07 Ethekwini (KED) Standard 90 0.94 7 7 5.0 1626.9 1633.1 Analysis
5 2024 Tshwane South School District CLOSED Individual Championships (U15 Mixed) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 4.5 1597.2 1598.7 Analysis
4 2024 Constantiapark Open (A) 2024/02/17 2024/02/17 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1586.6 1579.7 Analysis
3 Dainfern College Chess League 2024 (A) 2024/01/29 2024/03/11 Johannesburg Metro (GJM) Standard 60 0.83 6 3 3.0 1591.2 1590.9 Analysis
2 2024 Tshwane Chess OPEN Registration Tournament (A) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 4 1.0 1617.6 1617.5 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U16A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1617.6 1617.5 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
79 2024 South Africa National Schools Chess Championship (U15 Boys) 2024/09/27 2024/09/28 Nelson Mandela Bay (ENM) Standard 70 0.87 7 7 6.5 1663.5 1662.6 Analysis
78 2024 Etienne Lewis (U16) 2024/08/30 2024/09/01 Tshwane (GTP) Standard 90 0.94 7 7 5.5 1663.5 1662.6 Analysis
77 Gauteng Schools Individuals Finals 2024 (U15 Boys) 2024/08/17 2024/08/17 Ekurhuleni (GE) Standard 60 0.83 5 5 5.0 1663.5 1662.6 Analysis
76 2024 Alekhine Open Chess Tournament (A) 2024/08/09 2024/08/10 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1626.4 1631.4 Analysis
75 D4 Tshwane South District Schools Teams Chess Tournament 2024 (U15A) 2024/08/03 2024/08/03 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1626.4 1631.4 Analysis
74 South African Open Chess Championship 2024 (C) 2024/07/04 2024/07/07 Ethekwini (KED) Standard 90 0.94 7 7 5.0 1626.9 1633.1 Analysis
73 2024 Tshwane South School District CLOSED Individual Championships (U15 Mixed) 2024/05/11 2024/05/11 Tshwane (GTP) Standard 60 0.83 5 5 4.5 1597.2 1598.7 Analysis
72 2024 Constantiapark Open (A) 2024/02/17 2024/02/17 Tshwane (GTP) Standard 60 0.83 5 5 2.5 1586.6 1579.7 Analysis
71 Dainfern College Chess League 2024 (A) 2024/01/29 2024/03/11 Johannesburg Metro (GJM) Standard 60 0.83 6 3 3.0 1591.2 1590.9 Analysis
70 2024 Tshwane Chess OPEN Registration Tournament (A) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 4 1.0 1617.6 1617.5 Analysis
69 2024 Gauteng Inter-Region Chess Championship (U16A) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 5 3.0 1617.6 1617.5 Analysis
68 2023 Etienne Lewis Closed Tournament (U16) 2023/08/25 2023/08/27 Tshwane (GTP) Standard 90 0.94 7 7 4.5 1625.9 1625.1 Analysis
67 2023 Gauteng Top Schools (U17 Mixed) 2023/08/19 2023/08/19 West Rand (GWR) Standard 60 0.83 5 5 5.0 1625.9 1625.1 Analysis
66 2023 Tshwane South School District CLOSED League Championship (U17) 2023/07/29 2023/07/29 Tshwane (GTP) Standard 60 0.83 5 5 4.5 1624.5 1624.0 Analysis
65 2023 Lubowski Open Tournament (A) 2023/06/24 2023/06/25 Tshwane (GTP) Standard 90 0.94 5 5 1.5 1636.3 1629.9 Analysis
64 2023 Elize Steenkamp Open Tournament (A) 2023/06/16 2023/06/17 Tshwane (GTP) Standard 90 0.94 6 5 3.0 1636.3 1629.9 Analysis
63 2023 Tshwane South School District CLOSED Individual Championships (U15 Open) 2023/04/22 2023/04/22 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1629.4 1626.3 Analysis
62 2023 South African Junior Closed Chess Championships (U14 Open) 2023/03/31 2023/04/04 Chess South Africa (CSA) Standard 120 1.00 9 9 6.0 1629.4 1626.3 Analysis
61 Chris Greyling Open Tournament 2023 (A) 2023/03/21 2023/03/21 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1611.0 1601.9 Analysis
60 2023 Tshwane Chess Open Registration Tournament (B1) 2023/01/28 2023/01/28 Tshwane (GTP) Standard 60 0.83 5 5 3.0 1627.7 1622.3 Analysis
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Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 58 41 6 11 44.0 75.9 219.8 1483.5 1703.4
White 28 21 4 3 23.0 82.1 273.2 1476.3 1749.5
Black 30 20 2 8 21.0 70.0 170.0 1490.2 1660.2
Standard All 58 41 6 11 44.0 75.9 219.8 1483.5 1703.4
White 28 21 4 3 23.0 82.1 273.2 1476.3 1749.5
Black 30 20 2 8 21.0 70.0 170.0 1490.2 1660.2
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 432 259 60 113 289.0 66.9 143.6 1289.3 1433.0
White 217 137 36 44 155.0 71.4 182.1 1292.9 1475.1
Black 215 122 24 69 134.0 62.3 104.8 1285.7 1390.4
Standard All 416 249 58 109 278.0 66.8 143.0 1284.7 1427.7
White 209 132 35 42 149.5 71.5 183.0 1287.0 1470.0
Black 207 117 23 67 128.5 62.1 102.7 1282.4 1385.1
Rapid All 16 10 2 4 11.0 68.8 159.4 1409.3 1568.7
White 8 5 1 2 5.5 68.8 159.4 1449.2 1608.5
Black 8 5 1 2 5.5 68.8 159.4 1369.5 1528.9
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
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 210083428 Rautenbach, H (Helen Christine) 7 5.5 5 1 1 78.6 1521.2 242.9 1764.0 View list
2 109069449 Boheim, E (Eugene) 6 3.5 3 1 2 58.3 1461.7 70.8 1532.5 View list
3 1090103920 Reyneke, L (Luke) 6 2.0 1 2 3 33.3 1275.9 -141.7 1134.3 View list
4 108082684 De Vries, MA (Andrio) 6 1.0 0 2 4 16.7 1489.7 -283.3 1206.4 View list
5 109069454 Sathish, A (Abinavah) 6 0.5 0 1 5 8.3 1494.2 -354.2 1140.0 View list
6 109086379 Jacobs, CN (Calvin Nicholas) 5 1.5 0 3 2 30.0 1413.8 -170.0 1243.8 View list
7 1090109066 Jooste, J (Josh) 4 3.5 3 1 0 87.5 1474.0 318.8 1792.7 View list
8 109076140 Jones, E (Edward) 4 3.0 3 0 1 75.0 1487.4 212.5 1699.9 View list
9 109089434 Van Loggerenberg, L (Logan) 4 3.0 2 2 0 75.0 1596.6 212.5 1809.1 View list
10 107086377 Jacobs, TB (Tiaan Benjamin) 4 2.5 2 1 1 62.5 1519.4 106.3 1625.6 View list
11 109095323 Grobler, DDI (Donovan Denzel Izak) 3 3.0 3 0 0 100.0 1527.9 425.0 1952.9 View list
12 1100097226 Marais, JS (Jacobus) 3 3.0 3 0 0 100.0 1234.8 425.0 1659.8 View list
13 108073208 Steyn, T (Tjaart) 3 2.5 2 1 0 83.3 1412.2 283.3 1695.5 View list
14 108064849 Ziegenhagen, V (Vian Luke) 3 2.5 2 1 0 83.3 1375.8 283.3 1659.1 View list
15 106044567 Buitendag, TS (Tristan) 3 2.0 1 2 0 66.7 1318.9 141.7 1460.6 View list
16 108052034 Du Toit, SJM (Stephanus (Matteo)) 3 2.0 1 2 0 66.7 1484.8 141.7 1626.4 View list
17 108045082 Koning, L (Lehan) 3 1.0 0 2 1 33.3 1451.8 -141.7 1310.1 View list
18 104069233 Lodi, N (Neo) 3 0.0 0 0 3 0.0 1401.0 -425.0 976.0 View list
19 206001830 Bent, C (Cierra) 2 2.0 2 0 0 100.0 1231.7 425.0 1656.7 View list
20 1090098581 Bath, X (Xavier) 2 2.0 2 0 0 100.0 1559.8 425.0 1984.8 View list