Player Page

Jacobs, KT (Kevin)
Dob: 1978/06/26 (Adult)
Gender: Male
Chess SA id: 178013396
FIDE id:
Region: Nelson Mandela Bay (ENM)
Citizen: RSA
Title(s):
Last active: 2024/09/01 (82 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 rating1783.6
Current Weighted rating1816.4
Current Weighted performance1458.7
Current official/published rating (highest between Raw, WR and WP)1816.4
Current highest rating achieved1938.9
Current floor (min rating allowed)1438.9
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)±72.2
Current Raw change used (final)0.0
Projected new Raw rating1783.6
Projected new Weighed rating1670.9
Projected new Weighted performance1458.7
Projected new final Raw rating (if new WP > new Raw)1783.6
Projected new highest rating1938.9
Projected new floor1438.9
Projected new K-facor24
Projected new official/published rating (highest between new Raw, new WR and new WP)1783.6
Projected effective change (new Official - current Official)-32.8
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 rating1775.0
Current Weighted rating1810.1
Current Weighted performance1432.8
Current official/published rating (highest between Raw, WR and WP)1810.1
Current highest rating achieved1942.1
Current floor (min rating allowed)1442.1
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)±73.1
Current Raw change used (final)0.0
Projected new Raw rating1775.0
Projected new Weighed rating1664.8
Projected new Weighted performance1432.8
Projected new final Raw rating (if new WP > new Raw)1775.0
Projected new highest rating1942.1
Projected new floor1442.1
Projected new K-facor24
Projected new official/published rating (highest between new Raw, new WR and new WP)1775.0
Projected effective change (new Official - current Official)-35.1
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 rating1805.3
Current Weighted rating1816.4
Current Weighted performance1027.9
Current official/published rating (highest between Raw, WR and WP)1816.4
Current highest rating achieved1905.6
Current floor (min rating allowed)1405.6
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)±70.0
Current Raw change used (final)0.0
Projected new Raw rating1805.3
Projected new Weighed rating1670.6
Projected new Weighted performance1027.9
Projected new final Raw rating (if new WP > new Raw)1805.3
Projected new highest rating1905.6
Projected new floor1405.6
Projected new K-facor24
Projected new official/published rating (highest between new Raw, new WR and new WP)1805.3
Projected effective change (new Official - current Official)-11.1
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 rating1866.3
Current Weighted rating1866.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1866.3
Current highest rating achieved1880.7
Current floor (min rating allowed)1380.7
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)±64.2
Current Raw change used (final)0.0
Projected new Raw rating1866.3
Projected new Weighed rating1717.0
Projected new Weighted performance252.5
Projected new final Raw rating (if new WP > new Raw)1866.3
Projected new highest rating1880.7
Projected new floor1380.7
Projected new K-facor24
Projected new official/published rating (highest between new Raw, new WR and new WP)1866.3
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 2024 UCC Mind Over Board (A) 2024/08/30 2024/09/01 Nelson Mandela Bay (ENM) Standard 120 1.00 5 4 1.5 1819.6 1810.0 Analysis
2 UCC Strategic Moves 2024 (A) 2024/03/08 2024/03/09 Nelson Mandela Bay (ENM) Standard 65 0.85 5 5 3.0 1828.6 1821.3 Analysis
1 YCA Otto Du Plessis Rapid 2024 (A) 2024/02/03 2024/02/03 Nelson Mandela Bay (ENM) Rapid 15 0.39 5 5 3.0 1839.3 1833.1 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
31 2024 UCC Mind Over Board (A) 2024/08/30 2024/09/01 Nelson Mandela Bay (ENM) Standard 120 1.00 5 4 1.5 1819.6 1810.0 Analysis
30 UCC Strategic Moves 2024 (A) 2024/03/08 2024/03/09 Nelson Mandela Bay (ENM) Standard 65 0.85 5 5 3.0 1828.6 1821.3 Analysis
29 YCA Otto Du Plessis Rapid 2024 (A) 2024/02/03 2024/02/03 Nelson Mandela Bay (ENM) Rapid 15 0.39 5 5 3.0 1839.3 1833.1 Analysis
28 Uitenhage Chess Club Grand Prix 2023 (A) 2023/08/25 2023/08/26 Nelson Mandela Bay (ENM) Standard 60 0.83 5 5 4.0 1821.7 1825.1 Analysis
27 Youth Chess Acadamy Rapid Tournament 2023 (A) 2023/03/11 2023/03/11 Nelson Mandela Bay (ENM) Rapid 15 0.39 5 5 4.0 1819.2 1830.7 Analysis
26 2022 Nelson Mandela Bay Open (A) 2022/01/28 2022/02/06 Nelson Mandela Bay (ENM) Standard 150 1.00 9 9 5.5 1792.8 1800.1 Analysis
25 NMB Closed 2021 (A) 2021/12/16 2021/12/19 Nelson Mandela Bay (ENM) Standard 120 1.00 5 4 1.0 1816.8 1824.6 Analysis
24 2020 Boardwalk Pearson Open Chess Festival (Prestige) 2020/03/13 2020/03/15 Nelson Mandela Bay (ENM) Standard 90 0.94 7 6 3.0 1806.4 1813.6 Analysis
23 King Cars Pe Chess Club Grand Prix Leg 1 2020 2020/02/15 2020/02/22 Nelson Mandela Bay (ENM) Standard 92 0.94 6 6 4.0 1853.0 1867.8 Analysis
22 2020 NMBCU Chess Trial 1 (U20+Open) 2020/02/08 2020/02/09 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 4.5 1853.0 1867.8 Analysis
21 Springbok Cup 2020 2020/01/24 2020/02/20 Nelson Mandela Bay (ENM) Standard 60 0.83 5 1 1.0 1853.0 1867.8 Analysis
20 PE Chess Club Open 2019 (A) 2019/10/11 2019/10/13 Nelson Mandela Bay (ENM) Standard 95 0.95 6 6 4.5 1849.8 1866.3 Analysis
19 PE Chess Club Tiger Cup 2019 2019/09/26 2019/10/24 Nelson Mandela Bay (ENM) Standard 60 0.83 5 1 1.0 1849.8 1866.3 Analysis
18 George Frangopoulos Memorial 2019 2019/08/06 2019/11/13 Nelson Mandela Bay (ENM) Standard 120 1.00 7 7 3.5 1852.8 1869.7 Analysis
17 PECC King Cars Grand Prix Fourth Leg 2019 2019/08/03 2019/08/03 Nelson Mandela Bay (ENM) Rapid 22 0.50 7 6 5.0 1855.8 1849.4 Analysis
16 PECC Club Championships 2019 (Championship) 2019/07/04 2019/07/11 Nelson Mandela Bay (ENM) Standard 92 0.94 5 5 4.5 1900.8 1913.8 Analysis
15 Sandy Matthews Memorial 2019 2019/05/14 2019/07/02 Nelson Mandela Bay (ENM) Standard 120 1.00 7 6 1.5 1900.8 1913.8 Analysis
14 King Cars PECC Grand Prix Third Leg 2019 2019/04/27 2019/05/04 Nelson Mandela Bay (ENM) Standard 92 0.94 6 5 5.0 1881.4 1893.6 Analysis
13 PECC King Cars Grand Prix Second Leg 2019 2019/04/13 2019/04/13 Nelson Mandela Bay (ENM) Blitz 5 0.18 9 8 6.0 1884.6 1880.7 Analysis
12 2019 Boardwalk Pearson Open (Open) 2019/03/28 2019/03/31 Nelson Mandela Bay (ENM) Standard 95 0.95 9 9 6.5 1902.2 1911.8 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 14 7 1 6 7.5 53.6 30.4 1567.2 1597.5
White 7 4 1 2 4.5 64.3 121.4 1573.5 1694.9
Black 7 3 0 4 3.0 42.9 -60.7 1560.9 1500.2
Standard All 9 4 1 4 4.5 50.0 0.0 1613.6 1613.6
White 4 2 1 1 2.5 62.5 106.3 1657.7 1763.9
Black 5 2 0 3 2.0 40.0 -85.0 1578.3 1493.3
Rapid All 5 3 0 2 3.0 60.0 85.0 1483.6 1568.6
White 3 2 0 1 2.0 66.7 141.7 1461.2 1602.8
Black 2 1 0 1 1.0 50.0 0.0 1517.3 1517.3
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 169 104 25 40 116.5 68.9 160.9 1614.0 1775.0
White 83 58 7 18 61.5 74.1 204.8 1589.4 1794.2
Black 86 46 18 22 55.0 64.0 118.6 1637.7 1756.3
Standard All 126 74 23 29 85.5 67.9 151.8 1658.9 1810.7
White 62 41 7 14 44.5 71.8 185.1 1640.6 1825.6
Black 64 33 16 15 41.0 64.1 119.5 1676.7 1796.2
Rapid All 26 19 0 7 19.0 73.1 196.2 1439.1 1635.2
White 13 10 0 3 10.0 76.9 228.8 1423.0 1651.8
Black 13 9 0 4 9.0 69.2 163.5 1455.2 1618.6
Blitz All 17 11 2 4 12.0 70.6 175.0 1548.8 1723.8
White 8 7 0 1 7.0 87.5 318.8 1463.5 1782.3
Black 9 4 2 3 5.0 55.6 47.2 1624.7 1671.9
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 153043180 Wolmarans, GM (Gregory) 8 7.5 7 1 0 93.8 1876.1 371.9 2247.9 View list
2 106027371 Nevin, TW (Tyler) 7 5.5 5 1 1 78.6 1869.9 242.9 2112.7 View list
3 180020180 Malgas, GL (Glenwell) 7 3.0 2 2 3 42.9 1881.8 -60.7 1821.0 View list
4 188026711 Nasilowski, R (Rinus) 6 4.5 4 1 1 75.0 1914.2 212.5 2126.7 View list
5 179035900 Stambull, RF (Ricardo) 6 4.0 4 0 2 66.7 1872.5 141.7 2014.1 View list
6 107057087 Peter, NM (Neathan) 5 3.0 3 0 2 60.0 1878.2 85.0 1963.2 View list
7 180028736 Odendaal, F (Frederick) 5 3.0 2 2 1 60.0 1866.6 85.0 1951.6 View list
8 105057058 Kruger, MJ (Matthew) 4 3.5 3 1 0 87.5 1874.0 318.8 2192.7 View list
9 197005904 Dakin, BR (Brett) 4 3.0 3 0 1 75.0 1913.0 212.5 2125.5 View list
10 100042281 Wagner, GM (Gerald) 4 3.0 3 0 1 75.0 1840.8 212.5 2053.3 View list
11 297009288 February, JN (Jesse) 4 0.5 0 1 3 12.5 1844.6 -318.8 1525.8 View list
12 157016497 Kromhout, ED (Ewan) 4 0.5 0 1 3 12.5 1840.8 -318.8 1522.0 View list
13 102041158 Van Zyl-Rudd, J (Jack) 4 0.5 0 1 3 12.5 1899.2 -318.8 1580.5 View list
14 205064819 Holroyd, K (Kea) 3 3.0 3 0 0 100.0 1877.8 425.0 2302.8 View list
15 101066740 Banks, DA (Delano) 3 2.5 2 1 0 83.3 1894.7 283.3 2178.1 View list
16 169039893 Van Heerden, CL (Claude) 3 1.5 1 1 1 50.0 1908.6 0.0 1908.6 View list
17 182027949 Nkosi, DJ (Dumisa) 3 1.0 1 0 2 33.3 1817.1 -141.7 1675.4 View list
18 185036626 Strydom, JP (Jean-Pierre) 3 1.0 1 0 2 33.3 1833.7 -141.7 1692.1 View list
19 195011466 Grover, S (Sahaj) 3 0.5 0 1 2 16.7 1857.1 -283.3 1573.8 View list
20 166041089 Van Zyl, MJ (Marius) 3 0.5 0 1 2 16.7 1893.7 -283.3 1610.4 View list