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03-20-2006 12:06:30

Appendix 1

Best Lead in Notrump Auctions-the Gory Details

The last three tables are the full numerical bloodshed.  Conclude whatever you want about the adequacy of the data.

Lead v Honors.  — The Gory Details

 
Rank leads at Notrump
South is Stronger
East Leads West Leads Average
Length 1 2 3 4 5 6 1 2 3 4 5 6
AKQ 83.93 75.00 66.07 74.39 69.51 90.48 76.9
4 4 4 6 6 6 30
KQJ 57.14 60.51 71.88 70.09 78.57 67.68 71.67 78.13 69.1
2 20 16 17 1 12 13 12 93
AKJ 42.86 60.71 72.06 77.88 48.21 45.24 60.00 70.99 64.2
2 10 5 8 4 3 5 12 49
KQT 61.90 56.51 65.73 59.43 59.52 66.11 66.46 74.24 63.6
3 21 13 8 3 13 12 10 83
AKT 7.14 54.46 63.71 77.14 50.00 53.17 57.29 79.63 61.7
1 8 9 5 1 9 7 8 48
QJT 44.90 52.85 58.71 58.55 59.78 59.59 60.45 66.41 58.8
7 18 29 17 7 21 29 19 147
AK 59.52 55.15 58.02 51.55 66.67 54.37 62.86 59.29 69.64 58.5
6 20 27 14 7 18 30 10 4 136
JT9 53.66 61.25 62.29 48.26 61.43 57.22 56.62 48.36 58.0
6 40 26 13 10 26 22 9 152
AK9 46.43 54.88 56.25 66.67 46.43 55.29 48.21 74.29 56.6
2 6 7 2 2 15 4 5 43
KQ9 34.29 52.86 60.61 65.85 55.45 63.54 59.21 47.58 55.1
5 10 5 6 8 7 11 9 61
T9 61.38 53.42 54.29 54.14 53.05 50.47 53.22 53.42 56.78 58.82 54.2
21 63 91 40 12 31 94 102 46 15 515
QJ9 49.35 54.58 67.14 49.52 56.25 51.24 51.89 56.00 53.6
11 19 10 16 7 23 19 11 116
9 50.00 53.04 52.98 54.60 53.74 46.15 51.58 50.28 52.63 53.00 56.66 63.24 52.8
50 197 281 158 50 4 55 177 277 164 55 5 1473
J9 53.96 50.25 52.29 59.20 61.79 46.23 49.76 53.24 52.12 60.84 52.7
29 86 85 54 18 23 90 98 51 12 546
JT 51.37 54.30 53.53 54.81 67.92 54.09 54.17 45.30 50.00 53.38 52.5
37 67 104 50 8 23 67 66 47 11 480
x 51.46 53.40 53.35 54.35 59.09 83.33 47.43 50.57 51.79 55.38 57.59 50.00 51.9
353 511 458 174 19 1 362 580 441 150 21 1 3071
T 54.09 48.64 50.70 57.37 54.65 52.21 48.08 49.00 50.82 54.01 51.23 57.47 51.4
49 185 267 136 31 10 60 180 279 157 47 13 1414
J 50.45 51.15 50.59 54.21 52.12 55.21 48.74 46.94 51.58 52.78 52.36 54.29 51.1
49 150 230 134 28 7 40 174 219 147 55 5 1238
QJ 54.85 53.04 44.88 54.93 67.59 51.95 48.99 50.75 54.19 32.29 50.6
15 54 59 32 8 11 64 58 26 7 334
QT9 42.00 53.38 44.80 43.21 40.43 54.05 53.63 59.62 50.2
11 32 18 12 7 27 18 8 133
KQ 58.33 51.74 51.92 56.44 50.81 44.05 43.86 46.11 48.93 40.82 49.3
12 33 41 15 9 6 40 28 27 7 218
Q9 51.71 42.68 45.14 55.14 39.38 53.08 46.75 51.53 54.88 51.90 48.6
21 59 84 45 12 21 55 62 31 12 402
Q 47.73 50.31 48.60 51.47 57.64 51.47 52.72 45.24 42.71 45.86 56.97 34.85 47.9
38 139 221 118 33 5 29 144 193 117 29 5 1071
A9 35.32 43.61 48.02 52.99 52.46 47.77 45.85 54.20 47.39 54.41 47.7
18 38 47 17 9 16 33 41 22 5 246
AT 41.67 40.36 49.35 54.17 61.76 53.23 45.20 46.14 56.82 36.59 47.2
12 40 45 26 5 9 59 58 19 6 279
A 50.00 49.86 44.48 51.60 46.38 52.38 45.97 41.48 44.12 49.30 53.47 51.22 47.0
27 103 127 90 22 3 18 77 125 82 21 6 701
KT9 17.86 48.81 48.96 44.16 53.57 37.08 52.12 53.64 46.5
6 18 21 11 10 13 17 8 104
AJ 60.00 42.97 48.44 52.92 49.21 36.26 42.80 45.27 45.86 51.32 46.4
10 38 42 23 9 13 35 38 23 11 242
AJT 15.48 43.64 63.26 52.45 21.43 36.56 48.55 47.57 46.0
6 17 19 15 2 23 20 15 117
AQJ 44.29 57.14 39.76 57.89 35.71 47.96 35.71 22.73 45.2
5 13 12 14 5 7 13 5 74
K9 36.73 39.49 52.27 46.96 41.94 28.93 46.02 43.09 55.20 58.96 45.2
14 62 63 33 9 20 47 67 29 10 354
AT9 55.95 48.98 48.05 40.83 57.14 36.36 48.46 38.00 45.0
6 14 11 9 2 16 19 11 88
K 50.87 39.28 47.49 53.06 53.94 50.00 52.97 34.30 39.77 47.74 44.44 66.67 44.8
33 112 169 118 37 5 29 109 172 115 34 4 937
QT 40.58 41.90 46.41 40.69 44.08 50.67 37.67 48.31 50.27 60.49 44.8
22 58 75 42 11 32 65 72 27 12 416
KJT 39.29 44.06 46.36 52.70 39.80 49.39 44.83 29.55 44.4
6 21 24 11 7 24 21 13 127
AQ 38.94 40.38 47.44 66.32 35.00 30.65 27.47 49.26 42.92 82.50 43.9
15 26 39 14 3 9 26 39 17 3 191
KT 44.66 38.38 49.39 54.63 30.43 27.20 38.32 42.32 49.34 40.91 43.4
19 57 71 31 7 18 68 61 55 11 398
AQ9 22.62 40.36 48.98 35.29 39.29 35.71 59.38 60.98 41.8
6 12 7 5 2 19 7 6 64
AJ9 42.86 29.44 48.21 48.98 41.67 39.29 19.05 51.64 41.3
4 13 12 7 6 8 3 9 62
KJ 35.40 43.12 45.83 44.54 66.25 33.90 34.19 39.92 42.33 40.63 40.9
23 43 50 25 6 17 45 57 29 7 302
KJ9 48.57 36.22 41.53 47.55 22.46 27.96 42.70 54.08 38.6
5 14 18 15 10 22 20 7 111
AQT 35.71 38.18 43.75 53.06 35.71 40.00 34.82 24.53 38.4
4 16 7 7 5 16 8 8 71
Average 51.1 50.3 49.1 51.8 53.8 53.8 48.5 47.3 47.8 50.0 52.2 54.1 50.0
599 1671 2599 2177 954 365 593 1697 2611 2119 995 357 16737

 
Rank side-suit leads
South is Stronger
East Leads West Leads Average
Length 1 2 3 4 5 6 1 2 3 4 5 6
AKQ 64.29 67.65 70.55 66.16 53.57 65.79 62.44 67.77 66.2
4 17 32 34 6 19 29 29 170
AK9 57.14 67.01 59.27 67.11 78.57 58.00 66.03 69.85 63.8
6 21 26 11 3 18 23 10 118
AKJ 42.50 65.91 68.60 66.11 60.32 61.22 58.10 66.20 63.6
3 22 31 22 9 21 31 21 160
AKT 62.50 63.91 65.92 59.65 58.70 65.73 60.95 62.69 63.1
4 22 32 17 10 26 30 20 161
AK 63.77 59.05 64.76 67.50 66.13 54.03 59.27 62.15 67.28 58.97 62.8
10 44 60 23 9 9 48 52 52 17 324
KQJ 56.02 53.77 59.51 58.78 54.55 58.91 60.99 60.04 58.6
12 36 44 63 8 37 55 41 296
KQT 52.38 56.08 52.91 62.83 61.76 64.25 54.95 56.47 57.1
9 38 50 33 5 30 57 33 255
QJT 62.29 57.90 53.32 51.98 53.25 59.74 53.28 53.56 55.2
17 51 65 41 11 45 73 39 342
x 60.05 55.93 53.41 54.29 51.53 57.33 58.03 53.68 52.09 53.79 51.38 46.97 54.8
483 787 722 295 71 11 439 845 689 304 69 5 4720
JT9 58.17 57.33 52.72 55.69 48.86 54.48 54.61 51.98 54.5
15 59 45 41 19 60 41 38 318
9 61.03 56.42 55.03 54.42 52.85 55.59 56.37 53.25 51.97 53.24 54.37 53.38 54.2
62 271 424 293 107 22 51 266 444 285 100 22 2347
KQ9 53.06 52.97 57.85 52.65 54.67 55.57 46.07 56.02 54.1
7 29 42 25 11 43 26 28 211
JT 55.04 55.20 52.96 54.15 53.92 54.37 54.59 51.99 54.74 52.72 53.8
34 121 170 94 30 41 123 167 104 35 919
T 64.74 55.81 53.87 53.39 56.39 48.13 62.58 51.12 51.91 52.09 53.74 56.90 53.7
64 277 464 296 92 12 66 264 447 328 89 21 2420
A 62.72 55.27 54.11 51.14 52.09 46.36 61.16 55.20 51.45 52.51 55.94 53.30 53.6
33 155 264 197 66 8 34 152 249 187 68 16 1429
T9 59.21 54.05 53.84 53.94 58.52 53.01 53.93 52.66 49.07 51.44 53.4
40 138 201 103 34 48 151 174 109 31 1029
KQ 57.25 57.61 51.86 55.31 59.91 60.66 47.80 51.88 52.19 59.88 53.3
10 70 109 52 16 20 85 100 66 24 552
J 58.41 53.89 51.10 51.89 50.77 53.09 57.53 52.38 51.26 51.13 54.46 42.55 52.1
45 258 383 256 94 24 51 251 374 276 98 14 2124
AT 60.17 49.41 54.09 52.00 62.50 45.97 51.58 48.48 50.81 58.71 51.9
17 85 118 72 25 18 78 119 62 26 620
QJ9 50.00 51.67 53.93 54.82 53.68 53.15 47.33 52.48 51.9
16 39 48 29 14 46 55 24 271
J9 45.51 52.35 54.01 49.29 51.69 56.01 49.77 50.49 51.48 55.73 51.5
35 129 174 92 39 30 125 163 103 28 918
QJ 54.01 53.01 51.98 51.83 51.24 54.35 50.19 49.16 51.87 50.79 51.4
27 91 139 83 30 20 115 129 77 28 739
AT9 46.34 55.51 54.53 58.21 41.82 38.49 51.82 54.89 51.2
6 38 43 20 8 35 40 20 210
A9 55.14 54.01 54.64 46.67 55.37 41.25 48.25 47.87 48.09 52.65 50.4
21 80 105 61 31 23 91 102 64 20 598
Q 56.88 52.31 49.87 52.04 50.39 52.34 59.02 47.77 45.89 48.83 49.51 44.40 49.7
43 213 332 265 92 19 44 204 340 265 88 18 1923
AJT 50.00 45.90 52.55 62.09 34.06 42.98 46.94 52.81 49.5
11 37 40 32 10 34 52 39 255
QT9 46.43 47.65 51.94 55.49 38.78 49.18 47.66 50.25 49.4
14 49 56 27 7 62 62 29 306
AJ9 50.00 52.66 47.20 62.79 35.48 47.24 43.32 56.00 49.4
12 27 31 19 9 26 36 18 178
Q9 51.34 50.88 52.82 50.41 54.63 55.07 46.38 45.44 43.67 54.68 49.2
38 114 138 88 30 30 105 138 91 25 797
QT 52.93 49.85 48.37 53.06 51.43 53.11 45.25 47.43 49.01 51.33 49.1
32 99 155 83 36 28 108 143 95 33 812
AJ 53.45 48.56 47.41 50.34 51.39 50.90 44.34 44.57 50.89 53.91 48.0
13 70 98 64 16 16 71 85 49 17 499
AQJ 51.22 42.86 56.17 50.48 46.43 30.80 38.24 52.40 47.3
6 18 34 45 6 16 37 43 205
AQT 62.90 48.09 48.88 50.52 31.63 37.20 40.43 56.22 47.1
9 38 39 28 7 24 41 32 218
K 57.26 45.92 45.61 49.90 49.06 46.12 53.25 44.40 40.70 46.18 46.91 53.24 46.1
44 174 271 224 69 15 45 150 295 211 70 16 1584
K9 55.72 45.97 48.20 53.00 54.78 35.96 38.87 42.10 46.97 45.78 45.5
24 118 129 63 23 25 119 131 79 33 744
KT 50.24 45.45 43.74 51.58 45.73 51.03 40.32 44.42 43.79 35.26 44.7
30 94 131 78 36 21 95 116 88 28 717
AQ9 51.11 50.63 49.00 58.74 41.84 27.60 26.60 42.78 43.3
13 23 29 21 7 18 27 13 151
KT9 44.90 45.74 45.48 48.42 39.69 37.50 41.94 40.64 43.1
21 54 54 23 14 38 54 39 297
AQ 50.96 44.91 44.58 48.96 54.44 51.54 37.13 35.89 40.85 50.00 42.9
15 64 67 42 13 19 63 89 44 20 436
KJT 34.92 47.34 41.82 43.08 54.41 43.97 37.12 40.28 42.3
9 44 54 37 10 44 53 37 288
KJ9 35.71 47.34 43.46 49.47 34.68 39.96 30.70 47.42 41.9
9 35 43 28 16 34 31 23 219
KJ 34.64 40.12 43.24 44.50 57.83 44.97 38.13 39.94 40.88 41.75 41.3
22 84 119 60 12 26 90 118 87 14 632
Average 60.2 54.2 51.7 52.0 52.3 55.0 58.2 51.9 49.0 49.6 49.7 52.6 51.7
774 2503 4464 4436 2487 1087 730 2506 4495 4358 2605 1067 31512

 
Rank trump leads
South is Stronger
East Leads West Leads Average
Length 1 2 3 4 5 6 1 2 3 4 5 6
AKQ 50.00 66.67 67.86 46.43 46.43 57.1
1 3 2 2 2 10
AKJ 50.00 65.79 58.33 45.59 53.0
1 3 1 5 10
AKT 42.86 42.59 57.69 57.14 50.00 65.38 50.6
2 4 2 1 2 2 13
x 49.50 49.76 49.95 49.22 42.31 49.16 48.29 47.32 46.98 55.56 49.0
541 598 290 37 2 527 627 265 36 3 2926
T 49.35 45.88 46.91 48.99 50.00 50.83 49.16 48.51 47.15 54.17 48.0
67 237 146 36 4 86 197 159 41 2 975
QJT 50.00 52.68 64.29 42.86 38.71 48.0
6 8 1 5 5 25
9 51.38 47.77 48.81 47.74 52.63 50.69 46.46 45.60 48.20 61.11 47.9
78 190 151 55 3 73 199 172 36 3 960
AK 53.97 48.89 37.78 45.83 50.00 48.31 50.89 50.00 47.6
9 13 13 2 8 13 8 1 67
T9 46.13 47.18 47.42 50.00 46.05 47.30 45.74 65.91 47.4
24 69 31 4 31 53 21 7 240
A 51.12 45.23 46.28 47.95 52.50 46.49 44.29 48.41 43.41 58.33 46.5
51 104 77 29 3 43 121 109 30 2 569
J 50.31 41.45 46.15 41.84 38.00 49.88 44.71 45.03 42.74 41.67 44.9
69 169 131 43 4 62 184 152 44 2 860
JT9 34.52 43.16 50.00 51.43 51.28 43.48 44.7
6 14 4 5 6 4 39
A9 53.81 39.12 54.38 57.69 50.00 46.69 35.17 26.92 44.7
15 31 12 2 22 26 21 4 133
J9 51.31 46.03 31.67 25.00 43.49 47.66 45.23 54.84 44.6
22 40 27 2 31 46 35 5 208
KQJ 46.43 46.43 41.67 50.00 30.77 50.00 33.33 44.1
6 2 1 2 2 1 1 15
Q 47.08 40.20 43.75 46.79 50.00 50.31 45.17 39.09 48.99 65.00 44.0
44 153 127 43 2 70 132 109 43 3 726
JT 49.24 46.89 33.85 51.56 47.51 22.16 57.69 42.9
19 39 28 23 52 24 2 187
AQJ 28.57 46.43 39.29 52.63 42.6
2 2 2 3 9
AQT 42.86 51.92 38.46 25.00 48.57 23.08 41.8
3 4 2 2 5 2 18
KQT 47.06 44.79 33.33 57.14 33.33 33.33 41.4
5 7 3 3 7 3 28
Q9 44.87 40.61 46.63 41.94 40.18 36.42 41.61 17.86 41.0
28 40 24 5 24 38 21 2 182
AT 41.84 40.23 41.56 50.00 38.35 36.94 50.00 31.58 39.8
14 31 11 3 19 35 7 3 123
AK9 14.29 50.00 50.00 50.00 39.8
2 1 3 1 7
KQ9 23.81 28.57 50.00 51.47 39.29 38.6
3 3 1 5 4 16
K 52.07 33.65 41.49 47.24 75.00 49.39 24.46 41.79 42.52 50.00 38.2
52 152 121 19 4 59 133 87 31 1 659
AJ 39.80 33.90 42.65 14.29 36.36 35.11 38.71 57.50 37.4
7 17 15 1 16 27 9 3 95
QT 40.43 36.83 39.32 22.22 42.41 32.23 37.15 39.47 37.2
27 48 30 3 16 37 21 3 185
K9 28.17 46.01 46.24 50.00 27.21 28.39 31.44 54.17 35.9
18 38 19 3 21 34 14 2 149
KJ9 35.71 50.00 50.00 34.29 19.05 35.6
3 3 1 5 3 15
AQ 1.79 35.06 40.91 30.73 39.24 40.45 26.92 35.2
4 22 11 14 21 13 2 87
QJ 51.55 32.96 23.19 52.94 32.50 19.09 11.54 35.2
23 32 20 17 29 16 2 139
AJT 30.95 30.36 45.45 39.29 19.05 34.62 33.8
3 4 5 2 3 2 19
KQ 51.43 32.42 34.40 50.00 45.24 26.74 28.05 0.00 33.8
10 26 16 2 9 27 12 1 103
KT 31.12 30.60 31.30 39.47 27.78 36.27 42.79 41.67 33.5
28 29 18 3 18 34 16 5 151
QT9 30.95 34.57 25.00 25.00 41.27 23.08 33.3
6 12 2 5 9 2 36
AQ9 7.14 50.00 50.00 50.00 32.4
2 1 1 1 5
KT9 38.10 19.81 50.00 32.86 35.71 0.00 30.9
6 8 2 5 5 1 27
AJ9 10.71 61.90 58.33 16.67 23.53 30.7
2 3 1 3 5 14
KJ 25.00 33.24 38.84 37.50 58.33 25.00 27.74 34.15 30.6
18 27 18 2 1 12 42 12 132
KJT 25.00 27.08 54.17 31.43 20.37 46.15 29.0
2 7 2 5 8 2 26
QJ9 23.81 32.14 10.00 23.21 35.71 25.3
9 8 3 4 1 25
AT9 21.43 24.07 30.77 28.57 17.86 23.6
6 4 2 2 2 16
Average 49.8 44.9 44.2 42.2 46.2 54.2 49.5 44.6 43.1 40.7 44.5 33.3 44.9
902 1869 1619 653 87 2 920 1874 1625 589 88 1 10229
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