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: 2024/06/17 (3 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 rating1931.3
Current Weighted rating1833.9
Current Weighted performance1953.5
Current official/published rating (highest between Raw, WR and WP)1953.5
Current highest rating achieved1931.3
Current floor (min rating allowed)1431.3
Current K-factor24
Games played this month7
Score (S)3.5
Expected score (We)2.93
Difference (S-We)0.57
Current Raw change (no limits, including tournament time weight)13.7
Current min/max change allowed (with limits)±58.5
Current Raw change used (final)13.7
Projected new Raw rating1945.0
Projected new Weighed rating1689.1
Projected new Weighted performance1979.8
Projected new final Raw rating (if new WP > new Raw)1979.8
Projected new highest rating1979.8
Projected new floor1479.8
Projected new K-facor24
Projected new official/published rating (highest between new Raw, new WR and new WP)1979.8
Projected effective change (new Official - current Official)+26.3
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 rating1956.2
Current Weighted rating1860.2
Current Weighted performance1934.7
Current official/published rating (highest between Raw, WR and WP)1956.2
Current highest rating achieved1956.2
Current floor (min rating allowed)1456.2
Current K-factor24
Games played this month7
Score (S)3.5
Expected score (We)2.99
Difference (S-We)0.51
Current Raw change (no limits, including tournament time weight)12.2
Current min/max change allowed (with limits)±56.5
Current Raw change used (final)12.2
Projected new Raw rating1968.4
Projected new Weighed rating1714.0
Projected new Weighted performance1963.4
Projected new final Raw rating (if new WP > new Raw)1968.4
Projected new highest rating1968.4
Projected new floor1468.4
Projected new K-facor24
Projected new official/published rating (highest between new Raw, new WR and new WP)1968.4
Projected effective change (new Official - current Official)+12.2
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 rating1948.3
Current Weighted rating1715.0
Current Weighted performance1810.5
Current official/published rating (highest between Raw, WR and WP)1948.3
Current highest rating achieved1948.3
Current floor (min rating allowed)1448.3
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 rating1584.1
Projected new Weighted performance1810.5
Projected new final Raw rating (if new WP > new Raw)1948.3
Projected new highest rating1948.3
Projected new floor1448.3
Projected new K-facor24
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
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 rating1750.1
Current Weighted rating1469.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1750.1
Current highest rating achieved1750.1
Current floor (min rating allowed)1250.1
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 rating1360.4
Projected new Weighted performance1671.2
Projected new final Raw rating (if new WP > new Raw)1750.1
Projected new highest rating1750.1
Projected new floor1250.1
Projected new K-facor28
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
Tournaments
Tournament: Cape Town Chess Federation Closed Chess Championships 2024 (A)
Start: 2024/06/14  End: 2024/06/17  Host: WCT  Type: Standard   Time: 120  Time weight: 1.00  Rounds: 7
Games: 7  Score: 3.5
Main rating: 1931.3  Rating gain/loss: 13.7
Type rating: 1956.2  Rating gain/loss: 12.2
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
10 Cape Town Chess Federation Closed Chess Championships 2024 (A) 2024/06/14 2024/06/17 Cape Town (WCT) Standard 120 1.00 7 7 3.5 1931.3 1956.2 Analysis
9 Steinitz Chess Festival 2024 (Championship) 2024/05/10 2024/05/12 Cape Town (WCT) Standard 90 0.94 6 6 4.5 1920.1 1954.7 Analysis
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
79 Cape Town Chess Federation Closed Chess Championships 2024 (A) 2024/06/14 2024/06/17 Cape Town (WCT) Standard 120 1.00 7 7 3.5 1931.3 1956.2 Analysis
78 Steinitz Chess Festival 2024 (Championship) 2024/05/10 2024/05/12 Cape Town (WCT) Standard 90 0.94 6 6 4.5 1920.1 1954.7 Analysis
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
1234
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 68 38 7 23 41.5 61.0 93.8 1844.5 1938.2
White 35 20 5 10 22.5 64.3 121.4 1844.2 1965.6
Black 33 18 2 13 19.0 57.6 64.4 1844.8 1909.2
Standard All 47 23 6 18 26.0 55.3 45.2 1871.8 1917.0
White 24 12 5 7 14.5 60.4 88.5 1836.7 1925.2
Black 23 11 1 11 11.5 50.0 0.0 1908.5 1908.5
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 477 272 56 149 300.0 62.9 109.6 1624.3 1733.9
White 242 145 32 65 161.0 66.5 140.5 1635.9 1776.4
Black 235 127 24 84 139.0 59.1 77.8 1612.4 1690.2
Standard All 369 206 50 113 231.0 62.6 107.1 1613.7 1720.9
White 187 111 28 48 125.0 66.8 143.2 1621.8 1765.0
Black 182 95 22 65 106.0 58.2 70.1 1605.5 1675.6
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) 24 11.5 9 5 10 47.9 1747.1 -17.7 1729.4 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 1734.2 -35.4 1698.8 View list
4 1070148235 Rogov, M (Matfey) 12 0.0 0 0 12 0.0 1824.0 -425.0 1399.0 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 1773.1 159.4 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 105077311 Brander, WWM (Waylon) 7 2.0 2 0 5 28.6 1788.8 -182.1 1606.7 View list
9 104006413 De Jager, AJ (Andreas) 7 1.5 1 1 5 21.4 1687.5 -242.9 1444.7 View list
10 184042918 Willenberg, KS (Kenneth) 6 4.0 3 2 1 66.7 1760.3 141.7 1902.0 View list
11 163002189 Bhawoodien, SH (Shabier) 6 2.0 2 0 4 33.3 1804.0 -141.7 1662.4 View list
12 101033066 Samuels, ER (Ethan) 6 2.0 1 2 3 33.3 1807.1 -141.7 1665.4 View list
13 153010181 Galleid, S (Stephen) 5 4.5 4 1 0 90.0 1646.0 340.0 1986.0 View list
14 1050148234 Rogov, T (Timofey) 5 3.0 3 0 2 60.0 1797.6 85.0 1882.6 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 105088335 Taute, C (Clayden) 4 2.5 2 1 1 62.5 1831.6 106.3 1937.9 View list
18 103085390 Kedama, S (Sandiso) 4 2.5 1 3 0 62.5 1733.2 106.3 1839.4 View list
19 1030107476 Ressel, T (Tane) 4 2.0 2 0 2 50.0 1644.1 0.0 1644.1 View list
20 199012211 Hempe, LH (Lilitha) 4 1.5 1 1 2 37.5 1672.5 -106.3 1566.3 View list