Muiderberg

AKA Dutch-two. Developed by Onno Janssens who lived in Muiderberg (a village near Amsterdam).

vancleef (09-7): 2S v w KQT93 43 AT92 74 (min)
                        KQT93 3 AJ942 74 (max)
sint (08-6): P w H8 KQ853 T654 J4
ramondt/paulissen (08-2): P w KQ972 K54 Q875 J (3-crd H)
quiz (06-9): P not 2H 3rd hand w QT6 97654 KQJ85
schollaardt (06-7): P w AT8 T9752 AJT8 9
rebattu (04-2): 2H w 76 T9864 AQ654 3
jansma (99-12): K3 J8543 5 T9843 nv/v
vancleef (99-06): 2H 5-10, 5-crd, 4+ crd m
hoogenkamp (98-summer): KT865 42 KJ Q964

vancleef (99-6): 2H-2S nf
poll (99-5): 2H-2S nf

vanderpas (09-10): 2S-2NT-3C/D 4-crd or 5-crd min
                              -3H real gf
                              -3S nf
                         -3H 5-crd C max
                         -3S 5-crd D max
                            -4C real
                            -4D D is trump
                            -4NT S is trump
sint (09-2): 2S-2NT-3H(5-crd C)-4C gf
                   -4C(6-crd)-4D C-fit
                             -4H S-fit
hoogenkamp (08-6): 2S-2NT?-3C/D 4+crd
                               -3S slamtry
                          -3H 5-crd C max
                             -4C sets trumpsuit
                             -4D/H S is trump
                          -3S 5-crd D max
niemeijer (07-12): 2H/S-2NTgf-3C/D 4-crd or 5-crd min
                             -3H 5-crd C max
                             -3S 5-crd D max
kroes (06-5): 2H-2NT-3D-3H-3S/4C-5D lackwood
vancleef (99-6): 2H-2NT gf
poll (99-5): 2H/S-2NT gf
sint (99-2): 2S-2NT-4D w AJT54 - QJ9532 JT

hoogenkamp (08-6): 2S-3C(weak)-P =C
                              -3D =D
vancleef (99-06): 2H-3C asks minor, nf
poll (99-5): 2H/S-3C asks for P or 3D

hoogenkamp (08-6): 2S-3D invite 4M
niemeijer (07-12): 2H/S-3D invite to 4H/S
vancleef (99-06): 2H-3D invite to 4M
poll (99-5): 2H/S-3D invite to 4H/S

vanderpas (09-10): 2S-3H invite
hoogenkamp (08-6): 2S-3H real invite
vancleef (99-6): 2S-3H nf
poll (99-5): 2S-3H forcing 

tammens (vk09-10): 2S-5S preempt
hoogenkamp (08-6): 2S-3S preempt
vancleef (99-06): 2H-3H preemtive
poll (99-5): 2H/S-3H/S preempt

hoogenkamp (08-6): 2S-4C/D splinter
niemeijer (06-3): 2H-4C fitbid
quiz (03-4): 2H-(2S)-4C fitbid
zhao (00-7): 2H-(2S)-4C fitbid
quiz (99-12): 2H-4C control w fit
vancleef (99-06): 2H-4C/D splinter or real suit with fit

hoogenkamp (08-6): 2S-3NT/4H to play
schollaardt (07-7): 2S-(3H)-5C to play
drijver (06-9): 2H-(X)-4H-(4S)-X 6-5
förch (02-4): 2S-5C asks to convert
vancleef (99-06): 2H-3S gf
vancleef (99-06): 2H-3NT/4H/4S to play
vancleef (99-06): 2H-4NT blackwood

sint (08-6): 2H-(3D)-X-P =D
                      -4C =C
hoogenkamp (06-4): 2S-(X)-2NT asks m
                         -3C own suit
quiz (01-5): 2H-(X)-XX business
                   -2NT asks minor
                   -3C/D to play

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