Newsletter for 22 March 2005


Tournament News

On Tuesday, 22 March 2004, the Backgammon Club of San Diego met. 10 players entered a 16-player main tournament, with the following results:

Main Tournament (16 player bracket)
  • 1st place:  Kismet Hancer and Fred Kamgar
    
  • 3rd place:  Bruce Discher
    

  • Current Master Points Standings

    Steve Blake       40
    Henry Chaboki     33
    Tom Fahland       27
    Adrian Costa      23
    Fred Kamgar       21
    Jason Lee         21
    Bruce Haight      15
    Sheldon Woytek    12
    Bruce Discher     11
    Eric Sedehi        9
    Kismet Hancer      6
    Osman Guner        6
    Cyrus Mobedshahi   4
    Bill Devine        3
    Jon Vietor         2
    Mark Weiner        2
    Dennis Frieden     1
    

    The point leader at the end of the year will be named the BCSD Player of the Year, and the top 16 in the Master Point standings will be invited to the 2005 BCSD Tournament of Champions, to be held in early 2006.


    Problem of the Week

    +-24-23-22-21-20-19-+---+-18-17-16-15-14-13-+
    | ' ' '2X '3X|   |1X2X '1X2X3O|
    |                   |   |                   |
    |                 | 1 |       4 2       |
    |1X '1O '3X5O|   | '5O ' ' ' '|
    |                   | 1O|                   |
    +--1--2--3--4--5--6-+---+--7--8--9-10-11-12-+

    Double Match Point. Pip counts: White 165, Black 137


    Last Week's Problem of the Week

    +-24-23-22-21-20-19-+---+-18-17-16-15-14-13-+
    | ' ' ' ' '9X| 2 | '1X '1X ' '|
    |                   |   |                   |
    |                 |   |       2 5       |
    |1X5O2O ' ' '|   |1X ' ' ' '2X|
    +--1--2--3--4--5--6-+---+--7--8--9-10-11-12-+

    White leads 5-3 in a match to 11. Pip counts: White 140, Black 16

    # Ply Move Equity
      1 R 3/1* 3/off +1.820
     
    0.9250.8430.023-0.0750.0000.000 +1.858 +1.820
    0.0020.0020.001-0.0020.0000.000 0.005 0.006
     
      Full cubeful rollout with var.redn.  
      3205 games, Mersenne Twister dice gen. with seed 991297728 and quasi-random dice  
      Stop when best play is enough JSDs ahead: limit 2.5 (min. 1296 games)  
      Play: world class 2-ply cubeful prune [world class]  
      keep the first 0 0-ply moves and up to 8 more moves within equity 0.16  
      Skip pruning for 1-ply moves.  
      Cube: 2-ply cubeful prune [world class]  
      2 R 3/off 2/off +1.791 ( -0.029)
     
    0.9070.7610.103-0.0930.0000.000 +1.831 +1.791
    0.0020.0020.002-0.0020.0000.000 0.005 0.006
     
      Full cubeful rollout with var.redn.  
      2509 games, Mersenne Twister dice gen. with seed 991297728 and quasi-random dice  
      Stop when best play is enough JSDs ahead: limit 2.5 (min. 1296 games)  
      Play: world class 2-ply cubeful prune [world class]  
      keep the first 0 0-ply moves and up to 8 more moves within equity 0.16  
      Skip pruning for 1-ply moves.  
      Cube: 2-ply cubeful prune [world class]  

    See you next week! Keep tossing those cubes,
    J. Lee