Player Page

Lirafu, S (Siyambonga)
Dob: 2007/08/26 (U18)
Gender: Male
Chess SA id: 1070137714
FIDE id:
Region: Cape Winelands (WCW)
Citizen: RSA
Title(s):
Last active: 2024/06/08 (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
Current Raw rating1690.5
Current Weighted rating1636.6
Current Weighted performance1579.3
Current official/published rating (highest between Raw, WR and WP)1690.5
Current highest rating achieved1690.5
Current floor (min rating allowed)1190.5
Current K-factor28
Games played this month3
Score (S)2.0
Expected score (We)1.97
Difference (S-We)0.02
Current Raw change (no limits, including tournament time weight)0.5
Current min/max change allowed (with limits)±82.4
Current Raw change used (final)0.5
Projected new Raw rating1691.0
Projected new Weighed rating1509.6
Projected new Weighted performance1586.4
Projected new final Raw rating (if new WP > new Raw)1691.0
Projected new highest rating1691.0
Projected new floor1191.0
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1691.0
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 rating1649.2
Current Weighted rating1580.8
Current Weighted performance1619.0
Current official/published rating (highest between Raw, WR and WP)1649.2
Current highest rating achieved1649.2
Current floor (min rating allowed)1149.2
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)±87.4
Current Raw change used (final)0.0
Projected new Raw rating1649.2
Projected new Weighed rating1459.4
Projected new Weighted performance1619.0
Projected new final Raw rating (if new WP > new Raw)1649.2
Projected new highest rating1649.2
Projected new floor1149.2
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1649.2
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 rating1632.0
Current Weighted rating1542.7
Current Weighted performance1639.2
Current official/published rating (highest between Raw, WR and WP)1639.2
Current highest rating achieved1632.0
Current floor (min rating allowed)1132.0
Current K-factor28
Games played this month3
Score (S)2.0
Expected score (We)2.35
Difference (S-We)-0.35
Current Raw change (no limits, including tournament time weight)-9.8
Current min/max change allowed (with limits)±89.6
Current Raw change used (final)-9.8
Projected new Raw rating1622.2
Projected new Weighed rating1424.9
Projected new Weighted performance1667.6
Projected new final Raw rating (if new WP > new Raw)1667.6
Projected new highest rating1667.6
Projected new floor1167.6
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1667.6
Projected effective change (new Official - current Official)+28.4
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 rating1264.8
Current Weighted rating1214.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1264.8
Current highest rating achieved1264.8
Current floor (min rating allowed)764.8
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)±151.2
Current Raw change used (final)0.0
Projected new Raw rating1264.8
Projected new Weighed rating1118.3
Projected new Weighted performance521.1
Projected new final Raw rating (if new WP > new Raw)1264.8
Projected new highest rating1264.8
Projected new floor764.8
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1264.8
Projected effective change (new Official - current Official)=0.0
Tournaments
Tournament: Western Cape - Kings and Queens 2024 (Boys)
Start: 2024/06/08  End: 2024/06/08  Host: WOS  Type: Rapid   Time: 30  Time weight: 0.60  Rounds: 3
Games: 3  Score: 2.0
Main rating: 1690.5  Rating gain/loss: 0.5
Type rating: 1632.0  Rating gain/loss: -9.8
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
6 Western Cape - Kings and Queens 2024 (Boys) 2024/06/08 2024/06/08 Overberg (WOS) Rapid 30 0.60 5 3 2.0 1690.5 1632.0 Analysis
5 Western Cape Inter Region Cup 2024 (U20 Boys) 2024/03/23 2024/03/24 Overberg (WOS) Standard 90 0.94 5 5 3.0 1680.2 1602.9 Analysis
4 Western Cape Inter Region Cup 2024 (Blitz) 2024/03/22 2024/03/22 Overberg (WOS) Blitz 5 0.18 7 7 4.5 1680.2 1200.0 Analysis
3 Western Cape HS Individuals Championship 2024 (U18 Boys) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 4.5 1680.2 1602.9 Analysis
2 Cape Winelands Schools - Prestige 2024 (U18 Boys) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 5.0 1680.2 1602.9 Analysis
1 Cape Winelands Schools - HS Trials 1 2024 (U18 Boys) 2024/02/17 2024/02/17 Cape Winelands (WCW) Rapid 35 0.66 6 6 5.5 1666.3 1630.9 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
24 Western Cape - Kings and Queens 2024 (Boys) 2024/06/08 2024/06/08 Overberg (WOS) Rapid 30 0.60 5 3 2.0 1690.5 1632.0 Analysis
23 Western Cape Inter Region Cup 2024 (U20 Boys) 2024/03/23 2024/03/24 Overberg (WOS) Standard 90 0.94 5 5 3.0 1680.2 1602.9 Analysis
22 Western Cape Inter Region Cup 2024 (Blitz) 2024/03/22 2024/03/22 Overberg (WOS) Blitz 5 0.18 7 7 4.5 1680.2 1200.0 Analysis
21 Western Cape HS Individuals Championship 2024 (U18 Boys) 2024/03/21 2024/03/22 Overberg (WOS) Standard 60 0.83 6 6 4.5 1680.2 1602.9 Analysis
20 Cape Winelands Schools - Prestige 2024 (U18 Boys) 2024/03/02 2024/03/02 Cape Winelands (WCW) Standard 60 0.83 5 5 5.0 1680.2 1602.9 Analysis
19 Cape Winelands Schools - HS Trials 1 2024 (U18 Boys) 2024/02/17 2024/02/17 Cape Winelands (WCW) Rapid 35 0.66 6 6 5.5 1666.3 1630.9 Analysis
18 Ashton Skaakmat Rapid 2023 (U15+Open) 2023/11/18 2023/11/18 Cape Winelands (WCW) Rapid 30 0.60 6 6 6.0 1653.9 1578.2 Analysis
17 Robertson Chess Tournament Oct 2023 (Open) 2023/10/28 2023/10/28 Cape Winelands (WCW) Standard 60 0.83 5 5 4.0 1622.5 1589.5 Analysis
16 Bonnievale Open Rapid 2023 (Advanced) 2023/10/21 2023/10/21 Cape Winelands (WCW) Rapid 25 0.54 6 6 4.5 1622.5 1517.1 Analysis
15 CW Top Schools 2023 (U18 Mix) 2023/08/26 2023/08/26 Cape Winelands (WCW) Rapid 32 0.63 5 5 5.0 1605.6 1429.7 Analysis
14 Langeberg Top Schools 2023 (U15+U18 Mix) 2023/07/29 2023/07/29 Cape Winelands (WCW) Rapid 30 0.60 5 4 4.0 1593.9 1402.8 Analysis
13 Strategema 2023 (Open) 2023/05/13 2023/05/13 Cape Winelands (WCW) Standard 60 0.83 5 5 5.0 1554.1 1528.7 Analysis
12 Western Cape HS Individuals 2023 (U17 Boys) 2023/04/01 2023/04/02 Cape Town (WCT) Standard 60 0.83 6 6 3.5 1577.7 1551.7 Analysis
11 Cape Winelands Schools Prestige 2023 (U17 Boys) 2023/03/11 2023/03/11 Cape Winelands (WCW) Standard 60 0.83 5 5 3.5 1568.4 1490.9 Analysis
10 Cape Winelands Schools Chess - Trials 1 2023 (U17 Boys) 2023/02/25 2023/02/25 Cape Winelands (WCW) Standard 60 0.83 5 5 4.0 1549.2 1380.5 Analysis
9 Langeberg Schools Chess Trials 2023 (U17 Boys+Girls) 2023/02/11 2023/02/11 Cape Winelands (WCW) Rapid 30 0.60 5 5 5.0 1549.2 1339.8 Analysis
8 Heritage Chess Open 2022 2022/10/01 2022/10/01 Cape Winelands (WCW) Standard 60 0.83 5 5 5.0 1467.5 1305.3 Analysis
7 Strategema 2022 (U17) 2022/09/10 2022/09/10 Cape Winelands (WCW) Standard 60 0.83 5 4 4.0 1305.5 1244.8 Analysis
6 Langeberg Spring Open 2022 (A) 2022/09/03 2022/09/03 Cape Winelands (WCW) Rapid 30 0.60 5 4 4.0 1305.5 1256.6 Analysis
5 Brave Knights Chess Festival 2022 (A) 2022/07/30 2022/07/30 Cape Winelands (WCW) Standard 60 0.83 5 5 3.5 1256.8 1175.6 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 32 22 5 5 24.5 76.6 225.8 1472.3 1698.1
White 16 11 2 3 12.0 75.0 212.5 1467.0 1679.5
Black 16 11 3 2 12.5 78.1 239.1 1477.6 1716.6
Standard All 16 11 3 2 12.5 78.1 239.1 1468.4 1707.5
White 8 5 2 1 6.0 75.0 212.5 1444.3 1656.8
Black 8 6 1 1 6.5 81.3 265.6 1492.5 1758.2
Rapid All 9 7 1 1 7.5 83.3 283.3 1462.7 1746.1
White 5 4 0 1 4.0 80.0 255.0 1441.4 1696.4
Black 4 3 1 0 3.5 87.5 318.8 1489.4 1808.2
Blitz All 7 4 1 2 4.5 64.3 121.4 1493.4 1614.9
White 3 2 0 1 2.0 66.7 141.7 1570.2 1711.9
Black 4 2 1 1 2.5 62.5 106.3 1435.8 1542.1
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 122 93 9 20 97.5 79.9 254.3 1370.0 1624.3
White 60 46 3 11 47.5 79.2 247.9 1368.2 1616.1
Black 62 47 6 9 50.0 80.6 260.5 1371.7 1632.1
Standard All 61 45 6 10 48.0 78.7 243.9 1369.1 1613.0
White 29 21 3 5 22.5 77.6 234.5 1379.7 1614.2
Black 32 24 3 5 25.5 79.7 252.3 1359.6 1611.9
Rapid All 54 44 2 8 45.0 83.3 283.3 1354.9 1638.2
White 28 23 0 5 23.0 82.1 273.2 1334.7 1607.9
Black 26 21 2 3 22.0 84.6 294.2 1376.6 1670.9
Blitz All 7 4 1 2 4.5 64.3 121.4 1493.4 1614.9
White 3 2 0 1 2.0 66.7 141.7 1570.2 1711.9
Black 4 2 1 1 2.5 62.5 106.3 1435.8 1542.1
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 199059356 Swanepoel, A (Aschwin) 5 4.5 4 1 0 90.0 1379.8 340.0 1719.8 View list
2 1060139707 Lekay, R (Remarko) 4 4.0 4 0 0 100.0 1622.4 425.0 2047.4 View list
3 1080112286 Kana, Z (Zaywon) 4 2.0 2 0 2 50.0 1429.8 0.0 1429.8 View list
4 1050097108 Segelaar, G (Geriant) 4 0.5 0 1 3 12.5 1434.7 -318.8 1115.9 View list
5 187006098 Davids, JW (Jo-Wayne) 3 3.0 3 0 0 100.0 1385.9 425.0 1810.9 View list
6 1060108632 Maree, B (Brevin) 3 3.0 3 0 0 100.0 1388.4 425.0 1813.4 View list
7 1120112288 Robertson, J (Jonah) 3 2.0 2 0 1 66.7 1343.3 141.7 1484.9 View list
8 108078354 De Vos, ES (Eustace Steyn) 2 2.0 2 0 0 100.0 1673.3 425.0 2098.3 View list
9 206075236 Goeieman, J (Jody-Anne) 2 2.0 2 0 0 100.0 1571.6 425.0 1996.6 View list
10 288014490 Joseph, JMA (Juanbrey) 2 2.0 2 0 0 100.0 1434.7 425.0 1859.7 View list
11 1070137517 Roux, T (Tiaan) 2 2.0 2 0 0 100.0 1577.4 425.0 2002.4 View list
12 107078359 Davids, R (Rafael) 2 1.5 1 1 0 75.0 1673.3 212.5 1885.8 View list
13 1060099677 Njokweni, L (Llyabona) 2 1.5 1 1 0 75.0 1629.0 212.5 1841.5 View list
14 106078134 Geyser, K (Kobus) 2 1.0 1 0 1 50.0 1558.8 0.0 1558.8 View list
15 1060096732 Van Tonder, W (Wium) 2 1.0 1 0 1 50.0 1591.7 0.0 1591.7 View list
16 1870139700 Danster, EJJ (Emil Jacques Jacobus) 2 0.0 0 0 2 0.0 1246.9 -425.0 821.9 View list
17 1060150983 Exquire, C (Christiano) 1 1.0 1 0 0 100.0 1577.7 425.0 2002.7 View list
18 107961373 Ehlers, R (Ruben) 1 1.0 1 0 0 100.0 1680.2 425.0 2105.2 View list
19 107078353 De Wet, M (Malcolm) 1 1.0 1 0 0 100.0 1305.5 425.0 1730.5 View list
20 1070151293 De Lange, C (Caleb) 1 1.0 1 0 0 100.0 1549.2 425.0 1974.2 View list