Paul Felten's Defence against Forcing Pass

Source: Dutch Bridge Magazine feb 1980.

Opponents start with Pass (13+)

P w most hands w 13+
1C 16-20 5-5 or exceptional 5-4 (4-crd not M)
  -1D(R)-1H 5H + 5C/D/S rf
           -1S(R)
        -1S 5S + 5C/D rf
           -1NT(R)
        -1NT 5C + 5D rf
            -2H(R)
  -other bids natural
  -(oppo's intrefere)-X 7+
                     -P 0-6
                     -other natural
1D/H/S 5+ 7-11 hcp
      -new suit rf
      -3 in the suit preemptive
1NT gardener 7-11 hcp
   -2C asks suit nf
   -2NT forcing relay
2C 4441 or 5440 (not 5-crd M)
  -2NT asks short suit
2D as 1C but 21+ hcp
  -2H(R)-2S 5S + 5C/D/H rf
        -2NT 5H + 5C/D rf
        -3C 5C + 5D rf
2H/S polish-two 7-11 hcp
    -2NT asks minor
2NT minors 7-11 hcp
3-opening extremely destructive preemptives

Oppos bid (0-12 hcp)