Player Page

Meiboom Jnr, G (Gerrit)
Dob: 1961/04/24 (Adult)
Gender: Male
Chess SA id: 161022514
FIDE id:
Region: Tshwane (GTP)
Citizen: RSA
Title(s):
Last active: 2022/07/04 (717 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 rating1878.3
Current Weighted rating1826.1
Current Weighted performance912.5
Current official/published rating (highest between Raw, WR and WP)1878.3
Current highest rating achieved2102.0
Current floor (min rating allowed)1602.0
Current K-factor20
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)±63.1
Current Raw change used (final)0.0
Projected new Raw rating1878.3
Projected new Weighed rating1681.3
Projected new Weighted performance912.5
Projected new final Raw rating (if new WP > new Raw)1878.3
Projected new highest rating2102.0
Projected new floor1602.0
Projected new K-facor20
Projected new official/published rating (highest between new Raw, new WR and new WP)1878.3
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 rating1798.7
Current Weighted rating1797.5
Current Weighted performance910.9
Current official/published rating (highest between Raw, WR and WP)1798.7
Current highest rating achieved2102.0
Current floor (min rating allowed)1602.0
Current K-factor20
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)±70.7
Current Raw change used (final)0.0
Projected new Raw rating1798.7
Projected new Weighed rating1653.7
Projected new Weighted performance910.9
Projected new final Raw rating (if new WP > new Raw)1798.7
Projected new highest rating2102.0
Projected new floor1602.0
Projected new K-facor20
Projected new official/published rating (highest between new Raw, new WR and new WP)1798.7
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 rating1951.8
Current Weighted rating1951.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1951.8
Current highest rating achieved2102.0
Current floor (min rating allowed)1602.0
Current K-factor20
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)±56.8
Current Raw change used (final)0.0
Projected new Raw rating1951.8
Projected new Weighed rating1795.7
Projected new Weighted performance414.6
Projected new final Raw rating (if new WP > new Raw)1951.8
Projected new highest rating2102.0
Projected new floor1602.0
Projected new K-facor20
Projected new official/published rating (highest between new Raw, new WR and new WP)1951.8
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 rating1931.2
Current Weighted rating1931.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1931.2
Current highest rating achieved2102.0
Current floor (min rating allowed)1602.0
Current K-factor20
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)±58.5
Current Raw change used (final)0.0
Projected new Raw rating1931.2
Projected new Weighed rating1776.7
Projected new Weighted performance442.9
Projected new final Raw rating (if new WP > new Raw)1931.2
Projected new highest rating2102.0
Projected new floor1602.0
Projected new K-facor20
Projected new official/published rating (highest between new Raw, new WR and new WP)1931.2
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
12 Bellville Chess Club Champs 2022 (Group 1) 2022/05/16 2022/07/04 Cape Town (WCT) Standard 90 0.94 7 6 4.0 1786.9 1798.0 Analysis
11 2019 South African Closed Chess Championships (Senior) 2019/12/07 2019/12/17 Cape Town (WCT) Standard 150 1.00 11 10 4.0 1825.3 1837.4 Analysis
10 Bellville Rapid Oct 2019 2019/10/14 2019/10/14 Cape Town (WCT) Rapid 15 0.39 6 6 5.5 1821.7 1950.2 Analysis
9 Bellville Blitz 2019 2019/09/16 2019/09/16 Cape Town (WCT) Blitz 8 0.25 6 6 4.0 1824.8 1965.2 Analysis
8 2019 Western Province League (Premier) 2019/07/27 2019/09/07 Cape Town (WCT) Standard 120 1.00 11 9 5.0 1824.8 1837.2 Analysis
7 Stellenberg Youth Chess Championship 2019 (Presige) 2019/05/01 2019/05/01 Cape Town (WCT) Rapid 30 0.60 6 5 1.5 1863.8 1987.0 Analysis
6 Steinitz Chess Festival 2019 (A) 2019/04/05 2019/04/07 Cape Town (WCT) Standard 70 0.87 6 6 2.0 1898.6 1902.0 Analysis
5 Bellville Club Champs 2019 (A) 2019/02/04 2019/05/27 Cape Town (WCT) Standard 90 0.94 11 10 6.5 1863.8 1861.2 Analysis
4 Bellville Chess Club 01 Blitz Tournament 2019 2019/01/28 2019/01/28 Cape Town (WCT) Blitz 5 0.18 7 7 6.0 1900.2 1975.2 Analysis
3 2018 Western Province League (Premier) 2018/08/04 2018/09/15 Cape Town (WCT) Standard 120 1.00 11 10 5.5 1930.2 1933.0 Analysis
2 Bellville Club Champs 2018 (A) 2018/02/12 2018/06/04 Cape Town (WCT) Standard 75 0.89 11 10 5.5 1984.4 1987.0 Analysis
1 Bellville Chess Club 2 Blitz 2018 2018/02/05 2018/02/05 Cape Town (WCT) Blitz 5 0.18 7 7 5.5 1987.0 1987.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main 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
Standard 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
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 92 44 22 26 55.0 59.8 83.2 1654.3 1737.4
White 47 26 12 9 32.0 68.1 153.7 1642.0 1795.8
Black 45 18 10 17 23.0 51.1 9.4 1667.1 1676.5
Standard All 61 23 19 19 32.5 53.3 27.9 1703.1 1730.9
White 31 14 10 7 19.0 61.3 96.0 1687.7 1783.6
Black 30 9 9 12 13.5 45.0 -42.5 1719.0 1676.5
Rapid All 11 6 2 3 7.0 63.6 115.9 1652.2 1768.1
White 6 2 2 2 3.0 50.0 0.0 1707.5 1707.5
Black 5 4 0 1 4.0 80.0 255.0 1585.8 1840.8
Blitz All 20 15 1 4 15.5 77.5 233.8 1506.7 1740.4
White 10 10 0 0 10.0 100.0 425.0 1461.3 1886.3
Black 10 5 1 4 5.5 55.0 42.5 1552.0 1594.5
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 175042365 Walters, WDP (Wouter) 5 3.0 2 2 1 60.0 1872.0 85.0 1957.0 View list
2 172012903 Horne, N (Neil) 4 3.5 3 1 0 87.5 1850.7 318.8 2169.4 View list
3 143012765 Holland, RI (Richard) 4 3.0 3 0 1 75.0 1914.2 212.5 2126.7 View list
4 168040472 Van Schaik, MP (Michael) 4 3.0 2 2 0 75.0 1905.5 212.5 2118.0 View list
5 153010181 Galleid, S (Stephen) 4 2.0 1 2 1 50.0 1879.9 0.0 1879.9 View list
6 167002306 Blaauw, GM (Gavin) 3 2.5 2 1 0 83.3 1957.2 283.3 2240.5 View list
7 156017929 Levin, BRL (Benny) 3 2.5 2 1 0 83.3 1945.1 283.3 2228.4 View list
8 192001584 Baxter, DJ (David) 3 1.5 1 1 1 50.0 1932.1 0.0 1932.1 View list
9 165033637 Schutte, A (Andre) 3 1.5 0 3 0 50.0 1825.3 0.0 1825.3 View list
10 197076467 Mncwabe, M (Minenhle Junior) 2 2.0 2 0 0 100.0 1876.0 425.0 2300.9 View list
11 106085447 Prinsloo, R (Reinhardt) 2 2.0 2 0 0 100.0 1823.3 425.0 2248.3 View list
12 149086046 Snyman, J (Johannes) 2 2.0 2 0 0 100.0 1862.5 425.0 2287.5 View list
13 144043256 Wright, M (Malcolm) 2 2.0 2 0 0 100.0 1903.1 425.0 2328.1 View list
14 179026143 Muller, ND (Neyton) 2 1.5 1 1 0 75.0 1924.1 212.5 2136.6 View list
15 176032855 Russouw, DJ (Daniel) 2 1.5 1 1 0 75.0 1843.6 212.5 2056.1 View list
16 147035755 Southey, AM (Andrew) 2 1.0 1 0 1 50.0 1825.0 0.0 1825.0 View list
17 162088913 Wright, A (Adrian) 2 1.0 1 0 1 50.0 1924.1 0.0 1924.1 View list
18 189053931 Salem, A (Abdarahim) 2 1.0 0 2 0 50.0 1914.4 0.0 1914.4 View list
19 162017968 Lewis, MMM (Mark) 2 0.0 0 0 2 0.0 1844.5 -425.0 1419.5 View list
20 176040813 Van Wyk, GB (Geoffrey) 2 0.0 0 0 2 0.0 1882.0 -425.0 1457.0 View list