This is a repost of my tables on the ratio of average damage using 
straight attacks, to the average damage when alternating feints and attacks. 

EQUAL SKILL FEINTING

                    Parry:
      11    12    13    14    15    16    17    18
Skill:

10   0.60  0.64  0.70  0.75  0.80  0.83  0.68  0.59
11   0.64  0.69  0.78  0.87  0.98  1.05  0.82  0.67
12   0.67  0.74  0.85  0.99 *1.15**1.30* 1.00  0.79
13   0.69  0.78  0.91 *1.09**1.31**1.55**1.18* 0.91
14   0.70  0.80  0.95 *1.16**1.43**1.75**1.33* 1.03
15   0.70  0.79  0.91 *1.05**1.19**1.26**1.02* 0.84
16   0.68  0.75  0.83  0.91  0.96  0.95  0.81  0.71
17   0.68  0.75  0.84  0.92  0.96  0.96  0.82  0.71
18   0.68  0.75  0.84  0.92  0.96  0.96  0.82  0.71


ATTACKER'S SKILL = DEFENDER'S SKILL + 1

                    Parry
      11    12    13    14    15    16    17    18
Attacker's
Skill:
10   0.61  0.66  0.72  0.78  0.84  0.87  0.70  0.60
11   0.66  0.72  0.82  0.93 *1.05**1.14* 0.88  0.71
12   0.70  0.79  0.92 *1.08**1.29**1.47**1.11  0.86
13   0.73  0.84  1.00 *1.22**1.51**1.81**1.36**1.03*
14   0.75  0.88 *1.07**1.33**1.69**2.11**1.60**1.21*
15   0.75  0.86 *1.02**1.21**1.40**1.51**1.21* 0.97
16   0.72  0.82  0.93 *1.04**1.11**1.11* 0.93  0.79
17   0.73  0.82  0.94 *1.05**1.12**1.12* 0.95  0.81
18   0.73  0.82  0.94 *1.05**1.13**1.13* 0.96  0.82 


ATTACKER'S SKILL = DEFENDER'S SKILL + 2

                    Parry
       11    12    13    14    15    16    17    18
Attackers
Skill:
10   0.62  0.67  0.74  0.81  0.87  0.90  0.72  0.61
11   0.67  0.75  0.85  0.98 *1.12**1.21  0.93  0.73
12   0.72  0.83  0.98 *1.17**1.40**1.62**1.21* 0.92
13   0.77  0.90 *1.09**1.35**1.70**2.07**1.54**1.15
14   0.80  0.95 *1.18**1.51**1.95**2.48**1.87**1.40
15   0.80  0.94 *1.14**1.38**1.62**1.78**1.41**1.12
16   0.78  0.89 *1.03**1.18**1.27**1.28**1.07* 0.90
17   0.78  0.90 *1.05**1.20**1.30**1.32**1.11* 0.93
18   0.78  0.90 *1.05**1.20**1.32**1.33**1.12* 0.95