Player Page

Braaf, J (Jiraan)
Dob: 2005/11/27 (U20)
Gender: Male
Chess SA id: 1050106200
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s):
Last active: 2024/05/01 (12 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 rating1920.1
Curent Weighted rating1823.6
Curent Weighted performance1968.1
Current official/published rating (highest between Raw, WR and WP)1920.1
Current floor (min rating allowed)1420.1
Current highest rating achieved1920.1
Current K-factor24
Games played this month9
Score (S)4.5
Expected score (We)5.99
Difference (S-We)-1.49
Current Raw change (no limits, including tournament time weight)-35.8
Current min/max change allowed (with limits)±59.4
Current Raw change used (final)-35.8
Projected new Raw rating1884.3
Projected new Weighed rating1830.2
Projected new Weighted performance1968.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1968.1
Projected effective change (new Official - current Official)+48.0
Projected new highest rating1920.1
Projected new floor1420.1
Projected new K-facor24
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 rating1954.7
Curent Weighted rating1849.2
Curent Weighted performance1926.3
Current official/published rating (highest between Raw, WR and WP)1954.7
Current floor (min rating allowed)1454.7
Current highest rating achieved1954.7
Current K-factor24
Games played this month9
Score (S)4.5
Expected score (We)6.33
Difference (S-We)-1.83
Current Raw change (no limits, including tournament time weight)-43.9
Current min/max change allowed (with limits)±56.6
Current Raw change used (final)-43.9
Projected new Raw rating1910.8
Projected new Weighed rating1856.6
Projected new Weighted performance1926.3
Projected new official/published rating (highest between new Raw, new WR and new WP)1926.3
Projected effective change (new Official - current Official)-28.4
Projected new highest rating1954.7
Projected new floor1454.7
Projected new K-facor24
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 rating1948.3
Curent Weighted rating1688.6
Curent Weighted performance1763.6
Current official/published rating (highest between Raw, WR and WP)1948.3
Current floor (min rating allowed)1448.3
Current highest rating achieved1948.3
Current K-factor24
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)±57.1
Current Raw change used (final)0.0
Projected new Raw rating1948.3
Projected new Weighed rating1715.0
Projected new Weighted performance1763.6
Projected new official/published rating (highest between new Raw, new WR and new WP)1948.3
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1948.3
Projected new floor1448.3
Projected new K-facor24
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 rating1750.1
Curent Weighted rating1436.7
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1750.1
Current floor (min rating allowed)1448.3
Current highest rating achieved1750.1
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)±75.7
Current Raw change used (final)0.0
Projected new Raw rating1750.1
Projected new Weighed rating1469.5
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1750.1
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1750.1
Projected new floor1448.3
Projected new K-facor28
Tournaments
Tournament: South African Junior Closed Chess Championship 2024 (U20 Open)
Start: 2024/04/27  End: 2024/05/01  Host: GE  Type: Standard   Time: 120  Time weight: 1.00  Rounds: 9
Games: 9  Score: 4.5
Main rating: 1920.1  Rating gain/loss: -35.8
Type rating: 1954.7  Rating gain/loss: -43.9
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
8 South African Junior Closed Chess Championship 2024 (U20 Open) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 4.5 1920.1 1954.7 Analysis
7 Hermanus Chess Club Open 2024 (Championship) 2024/04/20 2024/04/20 Overberg (WOS) Rapid 20 0.47 7 7 5.5 1886.9 1889.7 Analysis
6 Western Cape Inter Region Cup 2024 (Open) 2024/03/23 2024/03/24 Overberg (WOS) Standard 90 0.94 5 5 4.0 1818.2 1887.3 Analysis
5 Western Cape Inter Region Cup 2024 (Blitz) 2024/03/22 2024/03/22 Overberg (WOS) Blitz 5 0.18 7 7 6.0 1818.2 1718.2 Analysis
4 Cape Town Open Chess Championship 2024 (Championship) 2024/03/15 2024/03/17 Cape Town (WCT) Standard 90 0.94 6 6 4.0 1818.2 1887.3 Analysis
3 Cape of Good Hope Open Chess Tournament 2024 (Championship) 2024/02/17 2024/02/17 Cape Town (WCT) Standard 90 0.94 5 5 2.5 1824.3 1892.1 Analysis
2 Steinitz Club Team Blitz Championship 2024 2024/02/15 2024/02/15 Cape Town (WCT) Blitz 5 0.18 7 7 4.0 1824.3 1740.0 Analysis
1 Cape Town Masters Challenge 2024 (Masters) 2024/01/03 2024/01/07 Cape Town (WCT) Standard 120 1.00 9 9 3.0 1848.7 1928.1 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
77 South African Junior Closed Chess Championship 2024 (U20 Open) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 4.5 1920.1 1954.7 Analysis
76 Hermanus Chess Club Open 2024 (Championship) 2024/04/20 2024/04/20 Overberg (WOS) Rapid 20 0.47 7 7 5.5 1886.9 1889.7 Analysis
75 Western Cape Inter Region Cup 2024 (Open) 2024/03/23 2024/03/24 Overberg (WOS) Standard 90 0.94 5 5 4.0 1818.2 1887.3 Analysis
74 Western Cape Inter Region Cup 2024 (Blitz) 2024/03/22 2024/03/22 Overberg (WOS) Blitz 5 0.18 7 7 6.0 1818.2 1718.2 Analysis
73 Cape Town Open Chess Championship 2024 (Championship) 2024/03/15 2024/03/17 Cape Town (WCT) Standard 90 0.94 6 6 4.0 1818.2 1887.3 Analysis
72 Cape of Good Hope Open Chess Tournament 2024 (Championship) 2024/02/17 2024/02/17 Cape Town (WCT) Standard 90 0.94 5 5 2.5 1824.3 1892.1 Analysis
71 Steinitz Club Team Blitz Championship 2024 2024/02/15 2024/02/15 Cape Town (WCT) Blitz 5 0.18 7 7 4.0 1824.3 1740.0 Analysis
70 Cape Town Masters Challenge 2024 (Masters) 2024/01/03 2024/01/07 Cape Town (WCT) Standard 120 1.00 9 9 3.0 1848.7 1928.1 Analysis
69 Kraaifontein Open 2023 (Championship) 2023/12/09 2023/12/10 Cape Town (WCT) Standard 90 0.94 5 5 3.0 1827.5 1826.4 Analysis
68 Bonnievale Open Rapid 2023 (Championship) 2023/10/21 2023/10/21 Cape Winelands (WCW) Rapid 25 0.54 6 6 2.5 1825.7 1572.3 Analysis
67 Chess Challengers Championship – High School 2023 (U18) 2023/10/14 2023/10/14 Cape Town (WCT) Rapid 30 0.60 6 6 5.0 1825.7 1572.3 Analysis
66 Mossel Bay Open 2023 (A) 2023/09/30 2023/10/01 Eden District (WEG) Standard 90 0.94 6 6 4.5 1825.7 1816.3 Analysis
65 Mossel Bay Open 2023 (Blitz) 2023/09/29 2023/09/29 Eden District (WEG) Blitz 7 0.23 6 6 5.5 1816.5 1200.0 Analysis
64 Western Cape Closed Championship 2023 (A) 2023/09/23 2023/09/25 Cape Town (WCT) Standard 120 1.00 6 6 3.0 1816.5 1822.5 Analysis
63 Western Cape Closed Championship 2023 (Blitz) 2023/09/23 2023/09/25 Cape Town (WCT) Blitz 7 0.23 7 7 5.0 1816.5 1200.0 Analysis
62 CW Top Schools 2023 (Advanced) 2023/08/11 2023/08/13 West Coast (WCU) Standard 90 0.94 6 6 4.0 1800.3 1803.1 Analysis
61 WP Club League 2023 (A) 2023/07/29 2023/09/09 Cape Town (WCT) Standard 120 1.00 11 11 8.0 1816.5 1822.5 Analysis
60 Cape Winelands Open 2023 (Championship) 2023/07/22 2023/07/23 Cape Winelands (WCW) Standard 70 0.87 6 6 4.0 1773.7 1791.1 Analysis
59 Curro Durbanville Chess Open Rapid 2023 (Championship) 2023/07/15 2023/07/15 Cape Town (WCT) Rapid 35 0.66 6 6 4.0 1773.7 1510.5 Analysis
58 GPCA Rapid 2023 (Championship) 2023/06/24 2023/06/24 Cape Town (WCT) Rapid 25 0.54 7 6 1.0 1796.9 1515.3 Analysis
1234
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 55 31 5 19 33.5 60.9 92.7 1817.8 1910.5
White 29 17 3 9 18.5 63.8 117.2 1813.1 1930.3
Black 26 14 2 10 15.0 57.7 65.4 1823.1 1888.5
Standard All 34 16 4 14 18.0 52.9 25.0 1839.1 1864.1
White 18 9 3 6 10.5 58.3 70.8 1784.0 1854.8
Black 16 7 1 8 7.5 46.9 -26.6 1901.1 1874.5
Rapid All 7 5 1 1 5.5 78.6 242.9 2014.1 2257.0
White 4 3 0 1 3.0 75.0 212.5 2063.8 2276.3
Black 3 2 1 0 2.5 83.3 283.3 1948.0 2231.3
Blitz All 14 10 0 4 10.0 71.4 182.1 1667.9 1850.0
White 7 5 0 2 5.0 71.4 182.1 1744.5 1926.6
Black 7 5 0 2 5.0 71.4 182.1 1591.3 1773.4
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 464 265 54 145 292.0 62.9 109.9 1615.0 1724.9
White 236 142 30 64 157.0 66.5 140.5 1626.8 1767.2
Black 228 123 24 81 135.0 59.2 78.3 1602.8 1681.1
Standard All 356 199 48 109 223.0 62.6 107.4 1601.2 1708.6
White 181 108 26 47 121.0 66.9 143.2 1609.4 1752.6
Black 175 91 22 62 102.0 58.3 70.4 1592.7 1663.1
Rapid All 81 46 5 30 48.5 59.9 84.0 1656.7 1740.6
White 42 24 4 14 26.0 61.9 101.2 1671.0 1772.2
Black 39 22 1 16 22.5 57.7 65.4 1641.2 1706.6
Blitz All 27 20 1 6 20.5 75.9 220.4 1672.1 1892.5
White 13 10 0 3 10.0 76.9 228.8 1725.5 1954.4
Black 14 10 1 3 10.5 75.0 212.5 1622.6 1835.1
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 105090611 Mnyasta, T (Tezihano) 22 10.5 8 5 9 47.7 1730.9 -19.3 1711.6 View list
2 1040131203 Macheka, C (Clayton) 12 6.5 6 1 5 54.2 1738.9 35.4 1774.3 View list
3 107053637 Palmer, RN (Reegan) 12 5.5 5 1 6 45.8 1734.3 -35.4 1698.8 View list
4 1070148235 Rogov, M (Matfey) 10 0.0 0 0 10 0.0 1803.7 -425.0 1378.7 View list
5 106092062 Ncethelo, B (Bongolethu) 9 5.5 5 1 3 61.1 1756.4 94.4 1850.9 View list
6 1070119933 Waguta, B (Brooklyn) 8 5.5 4 3 1 68.8 1773.2 159.4 1932.5 View list
7 1050108039 Mnyasta, C (Charlton) 8 0.5 0 1 7 6.3 1697.0 -371.9 1325.1 View list
8 104006413 De Jager, AJ (Andreas) 7 1.5 1 1 5 21.4 1687.5 -242.9 1444.7 View list
9 184042918 Willenberg, KS (Kenneth) 6 4.0 3 2 1 66.7 1760.3 141.7 1902.0 View list
10 163002189 Bhawoodien, SH (Shabier) 6 2.0 2 0 4 33.3 1804.0 -141.7 1662.4 View list
11 105077311 Brander, WWM (Waylon) 6 1.0 1 0 5 16.7 1765.0 -283.3 1481.7 View list
12 153010181 Galleid, S (Stephen) 5 4.5 4 1 0 90.0 1646.0 340.0 1986.0 View list
13 1050148234 Rogov, T (Timofey) 5 3.0 3 0 2 60.0 1797.6 85.0 1882.6 View list
14 101033066 Samuels, ER (Ethan) 5 1.5 1 1 3 30.0 1782.2 -170.0 1612.2 View list
15 161066248 Ohlson, C (Cecil) 4 3.0 3 0 1 75.0 1745.7 212.5 1958.2 View list
16 192001584 Baxter, DJ (David) 4 2.5 2 1 1 62.5 1749.2 106.3 1855.5 View list
17 103085390 Kedama, S (Sandiso) 4 2.5 1 3 0 62.5 1733.2 106.3 1839.4 View list
18 1030107476 Ressel, T (Tane) 4 2.0 2 0 2 50.0 1644.1 0.0 1644.1 View list
19 199012211 Hempe, LH (Lilitha) 4 1.5 1 1 2 37.5 1672.5 -106.3 1566.2 View list
20 194015801 Kleinsmidt, CC (Cherwin) 4 1.0 0 2 2 25.0 1772.8 -212.5 1560.3 View list