Othello Quiz 2005

今年も毎年恒例の第7回クイズコンテストが開催されました。今年は67人もの参加者がありました。出題者の予想に反し苦戦する人が多い中、金子さんが9問正解しダントツの成績で優勝しました。平均点は2.8点でした。

Result

順位 名前 正答した問題
1 金子 真一郎 9 1,3,4,5,6,7,8,9,10
2 皆上 強志 6 3,4,5,6,8,9
2 山本 雅人 6 1,3,6,7,9,10
2 永井 一矢 6 1,6,7,8,9,10
2 嶋田 誠 6 3,4,6,7,8,9
 

Problem1


Problem1 Answer


           1. R  24/20 23/20               Eq.:  0.159
               0.6%  12.8%  53.1%    46.9%   8.7%   0.4%
               Live cube rollout: 0.187
               95% confidence interval:
                  - money cubeless eq.: 0.105 ±0.024,
                  - live cube: 0.187 ±0.024.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 10779 games),
                  played 3-ply (small, 20%), cube 3-ply,
                  seed 1, with race database.

           2. R  9/5 8/5                   Eq.: -0.001 (-0.160)
               1.0%  16.3%  50.3%    49.7%  16.1%   0.9%
               Live cube rollout: 0.018
               95% confidence interval:
                  - money cubeless eq.: 0.010 ±0.028,
                  - live cube: 0.018 ±0.029.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 9122 games),
                  played 3-ply (small, 20%), cube 3-ply,
                  seed 1, with race database.

           3. R  23/16*                    Eq.: -0.028 (-0.187)
               1.2%  14.2%  49.6%    50.4%  15.5%   1.1%
               Live cube rollout: -0.024
               95% confidence interval:
                  - money cubeless eq.: -0.019 ±0.032,
                  - live cube: -0.024 ±0.037.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 7529 games),
                  played 3-ply (small, 20%), cube 3-ply,
                  seed 1, with race database.

           4. 3  23/20 13/9                Eq.: -0.214 (-0.373)
               0.5%  11.8%  45.7%    54.3%  18.1%   0.8%

           5. 3  13/9 8/5                  Eq.: -0.231 (-0.390)
               0.5%  11.9%  44.8%    55.2%  18.7%   0.8%

 

Problem2


Problem2 Answer

           1. R  13/8 13/9                 Eq.: -0.358
               1.0%  13.2%  46.2%    53.8%  19.2%   1.7%
               Live cube rollout: -0.387
               95% confidence interval:
                  - money cubeless eq.: -0.145 ±0.031,
                  - live cube: -0.387 ±0.037.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 6550 games),
                  played 3-ply (medium, 20%), cube 3-ply,
                  seed 1, with race database.

           2. R  13/9 11/6                 Eq.: -0.472 (-0.114)
               0.7%  11.9%  42.9%    57.1%  20.1%   1.7%
               Live cube rollout: -0.541
               95% confidence interval:
                  - money cubeless eq.: -0.234 ±0.030,
                  - live cube: -0.541 ±0.040.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 7304 games),
                  played 3-ply (medium, 20%), cube 3-ply,
                  seed 1, with race database.

           3. R  13/8 11/7                 Eq.: -0.497 (-0.139)
               0.7%  11.2%  42.7%    57.3%  20.1%   1.6%
               Live cube rollout: -0.558
               95% confidence interval:
                  - money cubeless eq.: -0.245 ±0.027,
                  - live cube: -0.558 ±0.045.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 7733 games),
                  played 3-ply (medium, 20%), cube 3-ply,
                  seed 1, with race database.

           4. R  24/15                     Eq.: -0.555 (-0.197)
               0.6%  10.1%  43.0%    57.0%  24.7%   1.7%
               Live cube rollout: -0.729
               95% confidence interval:
                  - money cubeless eq.: -0.296 ±0.032,
                  - live cube: -0.729 ±0.051.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 6646 games),
                  played 2-ply (medium), cube 3-ply,
                  seed 1, with race database.

           5. R  13/4                      Eq.: -0.556 (-0.198)
               0.6%  12.0%  43.7%    56.3%  22.6%   2.6%
               Live cube rollout: -0.593
               95% confidence interval:
                  - money cubeless eq.: -0.252 ±0.032,
                  - live cube: -0.593 ±0.055.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 6992 games),
                  played 2-ply (medium), cube 3-ply,
                  seed 1, with race database.

 

Problem3


Problem3 Answer


           1. R  22/16 6/2                 Eq.: -0.379
               0.3%   6.1%  34.6%    65.4%  24.8%   1.1%
               Live cube rollout: -0.380
               95% confidence interval:
                  - money cubeless eq.: -0.502 ±0.024,
                  - live cube: -0.380 ±0.014.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 14051 games),
                  played 2-ply (medium), cube 2-ply,
                  settlement 0.550 at 16 pts,
                  seed 1, without race database.

           2. R  13/7 13/9                 Eq.: -0.529 (-0.149)
               0.3%   6.3%  29.0%    71.0%  26.5%   2.1%
               Live cube rollout: -0.570
               95% confidence interval:
                  - money cubeless eq.: -0.640 ±0.022,
                  - live cube: -0.570 ±0.013.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 12516 games),
                  played 2-ply (medium), cube 2-ply,
                  settlement 0.550 at 16 pts,
                  seed 1, without race database.

           3. R  13/3                      Eq.: -0.555 (-0.176)
               0.4%   8.8%  26.9%    73.1%  25.6%   1.4%
               Live cube rollout: -0.570
               95% confidence interval:
                  - money cubeless eq.: -0.639 ±0.022,
                  - live cube: -0.570 ±0.012.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 15130 games),
                  played 2-ply (medium), cube 2-ply,
                  settlement 0.550 at 16 pts,
                  seed 1, without race database.

           4. R  22/16 13/9                Eq.: -0.593 (-0.214)
               0.3%   6.3%  30.1%    69.9%  33.2%   2.8%
               Live cube rollout: -0.588
               95% confidence interval:
                  - money cubeless eq.: -0.690 ±0.020,
                  - live cube: -0.588 ±0.013.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 17391 games),
                  played 2-ply (medium), cube 2-ply,
                  settlement 0.550 at 16 pts,
                  seed 1, without race database.

           5. 3  13/7 6/2                  Eq.: -0.735 (-0.356)
               0.2%   6.2%  23.6%    76.4%  33.9%   2.0%

 

Problem4


Problem4 Answer

           1. R  23/17                     Eq.: -0.367
               1.1%  11.8%  42.0%    58.0%  25.4%   1.2%
               Live cube rollout: -0.348
               95% confidence interval:
                  - money cubeless eq.: -0.296 ±0.029,
                  - live cube: -0.348 ±0.051.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 7813 games),
                  played 3-ply (medium, 20%), cube 3-ply,
                  settlement 0.550 at 16 pts,
                  seed 1, with race database.

           2. R  23/22 8/3*                Eq.: -0.467 (-0.100)
               1.1%  12.6%  39.3%    60.7%  24.4%   2.2%
               Live cube rollout: -0.495
               95% confidence interval:
                  - money cubeless eq.: -0.343 ±0.034,
                  - live cube: -0.495 ±0.058.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 6823 games),
                  played 3-ply (medium, 20%), cube 3-ply,
                  settlement 0.550 at 16 pts,
                  seed 1, with race database.

           3. R  23/22 13/8                Eq.: -0.519 (-0.152)
               1.0%  11.6%  37.9%    62.1%  25.3%   1.5%
               Live cube rollout: -0.502
               95% confidence interval:
                  - money cubeless eq.: -0.383 ±0.028,
                  - live cube: -0.502 ±0.050.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 8935 games),
                  played 2-ply (medium), cube 2-ply,
                  settlement 0.550 at 16 pts,
                  seed 1, with race database.

           4. R  13/8 6/5                  Eq.: -0.535 (-0.168)
               0.9%  10.5%  37.3%    62.7%  19.1%   1.3%
               Live cube rollout: -0.568
               95% confidence interval:
                  - money cubeless eq.: -0.344 ±0.031,
                  - live cube: -0.568 ±0.074.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 6175 games),
                  played 3-ply (medium, 20%), cube 3-ply,
                  settlement 0.550 at 16 pts,
                  seed 1, with race database.

           5. R  8/3*/2                    Eq.: -0.541 (-0.174)
               0.8%  10.7%  36.8%    63.2%  20.9%   1.4%
               Live cube rollout: -0.605
               95% confidence interval:
                  - money cubeless eq.: -0.373 ±0.030,
                  - live cube: -0.605 ±0.074.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 7435 games),
                  played 2-ply (medium), cube 2-ply,
                  settlement 0.550 at 16 pts,
                  seed 1, with race database.


 

Problem5


Problem5 Answer

           1. R  11/9* 7/1*                Eq.: -0.084
               0.8%  30.2%  47.7%    52.3%  13.7%   0.9%
               Live cube rollout: -0.079
               95% confidence interval:
                  - money cubeless eq.: 0.117 ±0.031,
                  - live cube: -0.079 ±0.019.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 8175 games),
                  played 3-ply (medium, 20%), cube 3-ply,
                  settlement 0.550 at 16 pts,
                  seed 1, with race database.

           2. R  24/22 7/1*                Eq.: -0.179 (-0.094)
               1.0%  27.7%  46.2%    53.8%  19.9%   2.3%
               Live cube rollout: -0.179
               95% confidence interval:
                  - money cubeless eq.: -0.013 ±0.033,
                  - live cube: -0.179 ±0.021.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 8689 games),
                  played 3-ply (medium, 20%), cube 3-ply,
                  settlement 0.550 at 16 pts,
                  seed 1, with race database.

           3. R  13/7 11/9*                Eq.: -0.201 (-0.117)
               0.9%  21.4%  44.7%    55.3%  11.6%   0.7%
               Live cube rollout: -0.218
               95% confidence interval:
                  - money cubeless eq.: -0.006 ±0.029,
                  - live cube: -0.218 ±0.021.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 8012 games),
                  played 3-ply (medium, 20%), cube 3-ply,
                  settlement 0.550 at 16 pts,
                  seed 1, with race database.

           4. R  24/16                     Eq.: -0.230 (-0.146)
               0.8%  14.5%  47.8%    52.2%  14.3%   0.8%
               Live cube rollout: -0.217
               95% confidence interval:
                  - money cubeless eq.: -0.042 ±0.028,
                  - live cube: -0.217 ±0.020.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 7665 games),
                  played 3-ply (medium, 20%), cube 3-ply,
                  settlement 0.550 at 16 pts,
                  seed 1, with race database.

           5. R  11/9*/3                   Eq.: -0.283 (-0.199)
               0.6%  19.3%  42.4%    57.6%  10.5%   0.6%
               Live cube rollout: -0.280
               95% confidence interval:
                  - money cubeless eq.: -0.064 ±0.022,
                  - live cube: -0.280 ±0.014.
               Rollout settings:
                  Truncated rollout, depth 11,
                  180 games (equiv. 12608 games),
                  played 2-ply (medium), cube 2-ply,
                  settlement 0.550 at 16 pts,
                  seed 1, with race database.


 

Problem6


Problem6 Answer

           1. R  10/4 6/5                  Eq.: -0.105
               0.6%   8.0%  37.9%    62.1%  31.3%   4.7%
               95% confidence interval:
                  - money cubeless eq.: -0.516 ±0.032.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 6709 games),
                  played 2-ply (small),
                  seed 1, with race database.

           2. R  10/4 9/8                  Eq.: -0.206 (-0.101)
               0.5%   7.2%  32.0%    68.0%  21.2%   2.0%
               95% confidence interval:
                  - money cubeless eq.: -0.515 ±0.029.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 6819 games),
                  played 2-ply (small),
                  seed 1, with race database.

           3. R  9/3 6/5                   Eq.: -0.223 (-0.118)
               0.5%   7.3%  32.9%    67.1%  27.4%   3.1%
               95% confidence interval:
                  - money cubeless eq.: -0.569 ±0.031.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 6182 games),
                  played 2-ply (small),
                  seed 1, with race database.
           4. R  10/3                      Eq.: -0.280 (-0.175)
               0.4%   6.3%  30.8%    69.2%  20.4%   1.3%
               95% confidence interval:
                  - money cubeless eq.: -0.534 ±0.027.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 6578 games),
                  played 2-ply (small),
                  seed 1, with race database.

           5. R  10/4 7/6                  Eq.: -0.286 (-0.181)
               0.4%   6.6%  31.4%    68.6%  28.0%   2.9%
               95% confidence interval:
                  - money cubeless eq.: -0.610 ±0.028.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 7561 games),
                  played 2-ply (small),
                  seed 1, with race database.

 

Problem7


Problem7 Answer
  
           1. R  bar/21 8/4*(2) 5/1*       Eq.:  0.546
               1.2%  26.0%  61.6%    38.4%  10.4%   0.8%
               95% confidence interval:
                  - money cubeless eq.: 0.392 ±0.031.
               Rollout settings:
                  Full rollout,
                  312 games (equiv. 7987 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           2. R  bar/21 13/5 11/7          Eq.:  0.421 (-0.126)
               0.6%  16.6%  61.8%    38.2%  10.2%   0.5%
               95% confidence interval:
                  - money cubeless eq.: 0.300 ±0.028.
               Rollout settings:
                  Full rollout,
                  312 games (equiv. 7712 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           3. R  bar/21 13/5 8/4*          Eq.:  0.303 (-0.243)
               1.0%  19.2%  58.0%    42.0%  12.8%   0.9%
               95% confidence interval:
                  - money cubeless eq.: 0.225 ±0.031.
               Rollout settings:
                  Full rollout,
                  312 games (equiv. 6719 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           4. R  bar/21 11/7 8/4*(2)       Eq.:  0.287 (-0.260)
               1.1%  20.0%  57.6%    42.4%  13.9%   0.8%
               95% confidence interval:
                  - money cubeless eq.: 0.216 ±0.035.
               Rollout settings:
                  Full rollout,
                  312 games (equiv. 4816 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.


 

Problem8


Problem8 Answer
 

           1. R  9/7* 5/1*                 Eq.:  0.143
               0.6%  20.1%  60.4%    39.6%  14.1%   1.6%
               95% confidence interval:
                  - money cubeless eq.: 0.256 ±0.029.
               Rollout settings:
                  Full rollout,
                  312 games (equiv. 9456 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           2. R  9/7*/3                    Eq.:  0.000 (-0.143)
               0.7%  16.6%  55.9%    44.1%  11.9%   0.7%
               95% confidence interval:
                  - money cubeless eq.: 0.165 ±0.028.
               Rollout settings:
                  Full rollout,
                  312 games (equiv. 9026 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           3. R  5/1* 3/1                  Eq.: -0.008 (-0.151)
               0.5%  18.2%  55.0%    45.0%  11.2%   0.4%
               95% confidence interval:
                  - money cubeless eq.: 0.171 ±0.027.
               Rollout settings:
                  Full rollout,
                  312 games (equiv. 9825 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.
  
               

 

Problem9


Problem9 Answer


           1. R  6/1 6/2*                  Eq.:  1.171
               1.9%  62.8%  79.9%    20.1%   5.2%   0.2%
               95% confidence interval:
                  - money cubeless eq.: 1.191 ±0.026.
               Rollout settings:
                  Full rollout,
                  312 games (equiv. 8818 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           2. R  8/4 7/2*                  Eq.:  1.007 (-0.164)
               2.6%  57.6%  76.8%    23.2%   8.5%   0.8%
               95% confidence interval:
                  - money cubeless eq.: 1.046 ±0.031.
               Rollout settings:
                  Full rollout,
                  312 games (equiv. 6700 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           3. R  23/18 12/8                Eq.:  0.998 (-0.173)
               2.2%  42.5%  80.8%    19.2%   3.5%   0.2%
               95% confidence interval:
                  - money cubeless eq.: 1.027 ±0.032.
               Rollout settings:
                  Full rollout,
                  312 games (equiv. 4810 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           4. R  12/7 12/8                 Eq.:  0.998 (-0.173)
               2.9%  43.2%  80.4%    19.6%   3.5%   0.1%
               95% confidence interval:
                  - money cubeless eq.: 1.032 ±0.025.
               Rollout settings:
                  Full rollout,
                  312 games (equiv. 6646 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.

           5. R  12/8 7/2*                 Eq.:  0.967 (-0.204)
               2.5%  56.3%  76.2%    23.8%   9.4%   0.9%
               95% confidence interval:
                  - money cubeless eq.: 1.009 ±0.030.
               Rollout settings:
                  Full rollout,
                  312 games (equiv. 8331 games),
                  played 3-ply (medium, 20%),
                  seed 1, with race database.


 

Problem10


Problem10 Answer

           1. R  24/13                     Eq.:  0.385
               0.8%  15.7%  59.1%    40.9%   9.2%   0.5%
               Live cube rollout: 0.427
               95% confidence interval:
                  - money cubeless eq.: 0.249 ±0.029,
                  - live cube: 0.427 ±0.052.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 7323 games),
                  played 3-ply (small, 20%), cube 3-ply,
                  settlement 0.550 at 16 pts,
                  seed 1, with race database.

           2. R  13/7 13/8                 Eq.:  0.216 (-0.169)
               1.6%  17.0%  52.6%    47.4%   7.9%   0.4%
               Live cube rollout: 0.154
               95% confidence interval:
                  - money cubeless eq.: 0.154 ±0.031,
                  - live cube: 0.154 ±0.053.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 6981 games),
                  played 3-ply (small, 20%), cube 3-ply,
                  settlement 0.550 at 16 pts,
                  seed 1, with race database.

           3. R  8/2 7/2                   Eq.:  0.196 (-0.188)
               1.9%  18.9%  52.4%    47.6%   9.7%   0.5%
               Live cube rollout: 0.199
               95% confidence interval:
                  - money cubeless eq.: 0.153 ±0.028,
                  - live cube: 0.199 ±0.048.
               Rollout settings:
                  Full rollout,
                  324 games (equiv. 7770 games),
                  played 3-ply (small, 20%), cube 3-ply,
                  settlement 0.550 at 16 pts,
                  seed 1, with race database.