Othello Quiz 2004

今年も毎年恒例の第6回クイズコンテストが開催されました。今年は59人もの参加者がありました。。今回の問題はぞろ目が多いために難易度が高く平均点は 2.7点でした。

Result

1 永井 一矢 7
2 外崎 広大 6
2 白石 雅文 6
4 皆上 強志 5
4 景山 充人 5
4 山本 雅人 5
4 梅津 陽一郎 5
4 国嶋 元則 5
4 飛田 喜一 5
 

Problem1


Problem1 Answer


           1. R  bar/23 6/5(2)             Eq.: -0.029
               0.6%  14.7%  60.2%    39.8%  11.7%   0.5%
               95% confidence interval:
                  - money cubeless eq.: 0.236 ±0.021.
               Rollout settings:
                  Full rollout,
                  648 games (equiv. 14759 games),
                  played 3-ply (medium, 20%),
                  random seed, with race database.

           2. R  bar/24 8/7 6/5(2)         Eq.: -0.150 (-0.121)
               0.8%  15.6%  55.7%    44.3%  13.2%   0.7%
               95% confidence interval:
                  - money cubeless eq.: 0.139 ±0.023.
               Rollout settings:
                  Full rollout,
                  648 games (equiv. 12640 games),
                  played 3-ply (medium, 20%),
                  random seed, with race database.

           3. R  bar/24 9/8 6/5(2)         Eq.: -0.156 (-0.127)
               0.6%  13.4%  55.5%    44.5%  13.3%   0.5%
               95% confidence interval:
                  - money cubeless eq.: 0.111 ±0.029.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 7448 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           4. R  bar/24 9/8 8/7(2)         Eq.: -0.245 (-0.216)
               0.4%  12.4%  52.4%    47.6%  14.7%   0.6%
               95% confidence interval:
                  - money cubeless eq.: 0.025 ±0.028.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 8692 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           5. R  bar/24 24/23(2) 9/8       Eq.: -0.283 (-0.253)
               0.4%  11.3%  50.7%    49.3%  14.9%   0.5%
               95% confidence interval:
                  - money cubeless eq.: -0.023 ±0.025.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 10635 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.
             

 

Problem2


Problem2 Answer
           1. R  22/16 22/18               Eq.: -0.190
               0.1%   7.1%  40.0%    60.0%  23.4%   0.6%
               95% confidence interval:
                  - money cubeless eq.: -0.367 ±0.025.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 10281 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           2. R  8/2 6/2                   Eq.: -0.283 (-0.093)
               0.2%   9.0%  35.7%    64.3%  16.4%   0.8%
               95% confidence interval:
                  - money cubeless eq.: -0.365 ±0.024.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 10222 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           3. R  13/3                      Eq.: -0.299 (-0.109)
               0.1%   7.0%  34.8%    65.2%  13.7%   0.5%
               95% confidence interval:
                  - money cubeless eq.: -0.375 ±0.025.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 9116 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           4. R  22/18 8/2                 Eq.: -0.344 (-0.154)
               0.5%  10.2%  32.3%    67.7%  30.8%   1.5%
               95% confidence interval:
                  - money cubeless eq.: -0.569 ±0.027.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 9488 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           5. 3  13/7 13/9                 Eq.: -0.338 (-0.147)
               0.2%   7.1%  32.8%    67.2%  12.8%   0.5%
               Simplified 3-ply, 20%.

 

Problem3


Problem3 Answer
           1. R  24/18(2)                  Eq.:  0.729
               0.6%   9.7%  69.8%    30.2%   6.2%   0.3%
               95% confidence interval:
                  - money cubeless eq.: 0.433 ±0.024.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 8657 games),
                  played 2-ply (medium),
                  seed 1, with race database.

           2. R  24/12*                    Eq.:  0.462 (-0.266)
               0.8%  16.1%  61.9%    38.1%  11.9%   0.9%
               95% confidence interval:
                  - money cubeless eq.: 0.279 ±0.030.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 7094 games),
                  played 2-ply (medium),
                  seed 1, with race database.

           3. R  24/21(2) 6/3(2)           Eq.:  0.443 (-0.285)
               0.6%  12.4%  62.7%    37.3%   6.8%   0.1%
               95% confidence interval:
                  - money cubeless eq.: 0.315 ±0.028.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 7104 games),
                  played 2-ply (medium),
                  seed 1, with race database.

           4. R  24/21(2) 11/5             Eq.:  0.281 (-0.447)
               0.5%  12.8%  56.9%    43.1%   9.6%   0.2%
               95% confidence interval:
                  - money cubeless eq.: 0.172 ±0.029.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 7730 games),
                  played 2-ply (medium),
                  seed 1, with race database.

           5. R  24/21(2) 8/5(2)           Eq.:  0.274 (-0.454)
               0.6%  13.5%  57.7%    42.3%  10.4%   0.3%
               95% confidence interval:
                  - money cubeless eq.: 0.187 ±0.028.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 8452 games),
                  played 2-ply (medium),
                  seed 1, with race database.
 

 

Problem4


Problem4 Answer
           1. R  8/2 6/1                   Eq.: -0.112
               0.2%   8.2%  44.4%    55.6%   8.6%   0.3%
               95% confidence interval:
                  - money cubeless eq.: -0.117 ±0.022.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 12216 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           2. R  20/15 8/2                 Eq.: -0.202 (-0.090)
               0.4%  12.7%  39.9%    60.1%  19.9%   0.4%
               95% confidence interval:
                  - money cubeless eq.: -0.274 ±0.025.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 12568 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           3. R  13/2                      Eq.: -0.228 (-0.117)
               0.1%   6.8%  38.6%    61.4%   7.9%   0.1%
               95% confidence interval:
                  - money cubeless eq.: -0.239 ±0.019.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 17135 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           4. R  20/9                      Eq.: -0.245 (-0.134)
               0.7%  13.5%  37.7%    62.3%  30.7%   1.6%
               95% confidence interval:
                  - money cubeless eq.: -0.426 ±0.029.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 9666 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.


 

Problem5


Problem5 Answer
           1. R  bar/24 4/3*/2*/1*         Eq.:  1.314
               7.3%  43.5%  72.2%    27.8%   5.5%   0.1%
               95% confidence interval:
                  - money cubeless eq.: 0.896 ±0.031.
               Rollout settings:
                  Full rollout,
                  602 games (equiv. 7393 games),
                  played 3-ply (medium, 20%),
                  random seed, with race database.

           2. R  bar/24 10/9 4/3*(2)       Eq.:  1.221 (-0.093)
               5.9%  37.9%  73.1%    26.9%   4.9%   0.2%
               95% confidence interval:
                  - money cubeless eq.: 0.849 ±0.026.
               Rollout settings:
                  Full rollout,
                  601 games (equiv. 9474 games),
                  played 3-ply (medium, 20%),
                  random seed, with race database.

           3. R  bar/23 4/3*(2)            Eq.:  1.192 (-0.122)
               5.0%  36.1%  73.5%    26.5%   5.1%   0.2%
               95% confidence interval:
                  - money cubeless eq.: 0.828 ±0.033.
               Rollout settings:
                  Full rollout,
                  300 games (equiv. 5461 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           4. R  bar/24 21/20 4/3*(2)      Eq.:  1.185 (-0.129)
               5.1%  35.2%  74.1%    25.9%   4.6%   0.3%
               95% confidence interval:
                  - money cubeless eq.: 0.836 ±0.034.
               Rollout settings:
                  Full rollout,
                  300 games (equiv. 4194 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           5. R  bar/23 10/9(2)            Eq.:  1.140 (-0.174)
               2.6%  28.0%  79.0%    21.0%   3.7%   0.2%
               95% confidence interval:
                  - money cubeless eq.: 0.847 ±0.032.
               Rollout settings:
                  Full rollout,
                  300 games (equiv. 4406 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

 

Problem6


Problem6 Answer

           1. R  24/23(2) 8/7(2)           Eq.: -0.277
               0.2%   6.7%  34.9%    65.1%  14.7%   0.7%
               95% confidence interval:
                  - money cubeless eq.: -0.386 ±0.021.
               Rollout settings:
                  Full rollout,
                  648 games (equiv. 13148 games),
                  played 3-ply (medium, 20%),
                  random seed, with race database.

           2. R  24/23(2) 9/7              Eq.: -0.361 (-0.084)
               0.3%   6.0%  33.4%    66.6%  18.4%   0.9%
               95% confidence interval:
                  - money cubeless eq.: -0.462 ±0.021.
               Rollout settings:
                  Full rollout,
                  648 games (equiv. 12116 games),
                  played 3-ply (medium, 20%),
                  random seed, with race database.

           3. R  24/23(2) 5/3              Eq.: -0.367 (-0.090)
               0.3%   5.9%  33.9%    66.1%  19.6%   1.4%
               95% confidence interval:
                  - money cubeless eq.: -0.470 ±0.024.
               Rollout settings:
                  Full rollout,
                  648 games (equiv. 9854 games),
                  played 3-ply (medium, 20%),
                  random seed, with race database.

           4. R  24/23(2) 9/8 5/4          Eq.: -0.388 (-0.111)
               0.2%   5.4%  30.8%    69.2%  14.8%   0.6%
               95% confidence interval:
                  - money cubeless eq.: -0.482 ±0.026.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 7166 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           5. R  4/2*(2)                   Eq.: -0.412 (-0.135)
               0.2%  10.3%  30.4%    69.6%  20.2%   1.2%
               95% confidence interval:
                  - money cubeless eq.: -0.501 ±0.029.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 6842 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.
           

 

Problem7


Problem7 Answer
  

           1. R  21/18(2) 7/4(2)           Eq.:  0.400
               1.3%  27.2%  60.8%    39.2%  15.2%   0.7%
               95% confidence interval:
                  - money cubeless eq.: 0.342 ±0.034.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 6765 games),
                  played 2-ply (medium),
                  seed 1, with race database.

           2. R  17/5                      Eq.:  0.245 (-0.155)
               0.7%  22.5%  56.0%    44.0%  10.7%   0.3%
               95% confidence interval:
                  - money cubeless eq.: 0.243 ±0.027.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 8668 games),
                  played 2-ply (medium),
                  seed 1, with race database.

           3. R  17/11 7/4(2)              Eq.:  0.244 (-0.156)
               1.0%  24.6%  55.3%    44.7%  13.0%   0.4%
               95% confidence interval:
                  - money cubeless eq.: 0.229 ±0.031.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 7103 games),
                  played 2-ply (medium),
                  seed 1, with race database.

           4. R  7/4(2) 5/2*(2)            Eq.:  0.226 (-0.174)
               1.2%  24.9%  54.8%    45.2%  14.3%   0.5%
               95% confidence interval:
                  - money cubeless eq.: 0.208 ±0.034.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 6243 games),
                  played 2-ply (medium),
                  seed 1, with race database.

           5. R  21/18(3) 17/14            Eq.:  0.193 (-0.207)
               1.0%  18.7%  56.8%    43.2%  15.3%   0.6%
               95% confidence interval:
                  - money cubeless eq.: 0.175 ±0.029.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 7808 games),
                  played 2-ply (medium),
                  seed 1, with race database.

 

Problem8


Problem8 Answer
 
           1. R  22/17 4/3                 Eq.: -0.334
               0.2%   4.1%  43.5%    56.5%  17.5%   0.2%
               95% confidence interval:
                  - money cubeless eq.: -0.264 ±0.024.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 10337 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           2. R  7/2* 7/6                  Eq.: -0.551 (-0.217)
               0.1%   3.0%  38.2%    61.8%  19.9%   0.4%
               95% confidence interval:
                  - money cubeless eq.: -0.409 ±0.018.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 15024 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           3. R  7/2* 4/3                  Eq.: -0.640 (-0.306)
               0.0%   2.6%  36.1%    63.9%  19.7%   0.4%
               95% confidence interval:
                  - money cubeless eq.: -0.452 ±0.016.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 19705 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           4. R  7/2*/1                    Eq.: -0.701 (-0.367)
               0.0%   2.2%  35.4%    64.6%  20.2%   0.7%
               95% confidence interval:
                  - money cubeless eq.: -0.480 ±0.018.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 13337 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           5. 3  8/2*                      Eq.: -0.763 (-0.430)
               0.2%   4.3%  35.7%    64.3%  25.8%   1.3%
               Simplified 3-ply, 20%.

               

 

Problem9


Problem9 Answer

           1. R  24/18 6/1*                Eq.: -0.076
               0.7%  16.4%  42.7%    57.3%  17.2%   1.1%
               95% confidence interval:
                  - money cubeless eq.: -0.158 ±0.034.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 6187 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           2. R  24/18 9/4                 Eq.: -0.179 (-0.103)
               1.1%  15.6%  38.4%    61.6%  17.0%   1.5%
               95% confidence interval:
                  - money cubeless eq.: -0.250 ±0.034.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 6294 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           3. R  24/13                     Eq.: -0.340 (-0.264)
               0.6%  12.0%  34.5%    65.5%  18.4%   1.4%
               95% confidence interval:
                  - money cubeless eq.: -0.382 ±0.032.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 6583 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

 

Problem10


Problem10 Answer

           1. R  8/7(2) 6/5(2)             Eq.: -0.057
               0.6%  14.6%  49.4%    50.6%  17.0%   0.8%
               95% confidence interval:
                  - money cubeless eq.: -0.038 ±0.034.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 5809 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           2. R  23/22(2) 6/5(2)           Eq.: -0.261 (-0.204)
               0.4%  12.1%  43.2%    56.8%  15.3%   0.5%
               95% confidence interval:
                  - money cubeless eq.: -0.169 ±0.029.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 7402 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           3. R  23/22(2) 6/4              Eq.: -0.292 (-0.234)
               0.6%  11.0%  41.2%    58.8%  13.3%   0.6%
               95% confidence interval:
                  - money cubeless eq.: -0.200 ±0.027.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 9752 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           4. R  6/5(3) 5/4                Eq.: -0.353 (-0.295)
               0.5%  12.5%  41.1%    58.9%  17.9%   1.2%
               95% confidence interval:
                  - money cubeless eq.: -0.239 ±0.031.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 7259 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           5. R  8/7(2) 6/4                Eq.: -0.368 (-0.311)
               0.5%  11.6%  40.5%    59.5%  16.3%   0.9%
               95% confidence interval:
                  - money cubeless eq.: -0.241 ±0.031.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 6375 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.