![[Index]](index.gif){kind=small}
Multi/MuiderbergMulti/Muiderberg
schollaardt (06-2): 2D-2S(nf)-3H H, min
-4H H, max
sint (02-2): 2D-2H-2S-3H nf w - KQ9732 AKQ86 63
schollaardt (21-7): 2D-2H-2NT 23-24
schollaardt (17-1): 2D-2H/S-3NT 25-26
niemeijer (13-1): 2D-2H-2NT 23-25 stronger than after 2C
niemeijer (12-6): 2D-2H/S-2NT 25-26
westra (11-11): 2D-2H-2NT 25-26
borm/vanderpas (01-7): 2D-2x-3NT w A A3 QJ6 AKQJ876
maas (99-1): 25-26 or 29-30 NT
forum (12-8): 2D-2S-4D transfer
groenenboom (08-3): 2D-2H-3C w 6 AQ AKQJ83 AQ95
-3H 5-crd+6-crd D
niemeijer (05-1): 2D-2S-3C-3H(two-way)-4H-4S lasttrain
niemeijer (03-12): 2D-2H-3D-3S control for NT
verhees (02-6): 2D-2H-3S w AKQ73 4 KQJ952 6
sint (98-5): 2D-2H-3D-4H w xxxx KQJTxx x xx
forum (97-5): 2D-2H-3D-4C cuebid
hoogenkamp (97-2): 2D-2S-3S=invite w QJT9742 A75 2 93
vdpauw (95-12): 2D-2H;3D-4D is stronger than
-5D
sint (94-11): 2D-2S;3H-3S = 6-card S, 3-card H
forum (14-10): 2D-2NT-3C H min/med
-3D S min/med
-3H S! max
-3S H! max
forum (14-10): 2D-2NT-(3D)-3H! w KQT864 875 3 K97
westra (14-3): 2D-2NT-3S-4H to play 6 AKQ92 AQJ874 9
niemeijer (13-1): 2D-2NT-3C min H
-3D min S
-3H max S!
-3S max H!
gosschalk (11-7): 2D-2NT-(3C)-3D min S
westra (10-6): 2D-2NT-3NT bal
-4C/D real
hoogenkamp (09-6): 2D-2NT-3C min H
-3D invite
jacobs (07-7): (1NT)-2D(10+)-2NT-3C min 6-crd H
-3D?-3H min
-4D transfer
schollaardt (06-2): 2D-2NT-(3C)-X 6-crd H min
-(3D)-P 6-crd H min
-X 6-crd S min
tevelde (05-3): (1NT)-2D-2NT-3D 6-crd S not max: AK9852 T4 873 Q6
-3H askd max or med
sint (05-1): 2D-2NT-4D-4H cuebid
forum (03-9): 2D-2NT-3C(H,min/med)-3D(R)-3H min
-4H med
-3D(S,min/med)-3H(R)-3S min
-4S med
forum (03-1): 2D-2NT-3C-3S real, forc.
niemeijer (00-11): 2D-2NT-3C weak2 H
-3D(R)-3H min
-3S/4C splinter
-3NT no singleton
-3NT AKQxxx
sint (00-2): 2D-2NT-(3S)-X-4H invite to 6H
maas (99-1): 2D-2NT-3NT(25-26)-niemeijer
schollaardt (16-10): 2D-3C-3S-4C- w K AQ3 4 AQJT9874
P w QJT982 KJ9 J65 3
niemeijer (13-1): 2D-3C/D real forcing
hoogenkamp (09-6): 2D-3C/D forcing
groenenboom (08-3): 2D-3C/D real,rf
forum (21-9): 2D-3/4H/4D w KJT6 Q8653 KQ 73
niemeijer (13-1): 2D-3NT to play
-4C asks transfer
-4D asks suit
-4H/S to play
hoogenkamp (09-6): 2D-4C-4D H
-4H S
schollaardt (06-2): 2D-3S 6-crd nf!
vdpas (96-7): 2D-3H-4H/S 5-crd 22-23
forum (21-9): 2D-(X)-XX ask the suit
niemeijer (20-6): (1NT)-2D-(X)-2H/S own suit
-P =D
-XX asks
niemeijer (15-7): 2D-(X)-2H nf,own suit: JT AQT832 A53 K4
ritmeijer (14-9): 2D-(X)-P w AK842 A KJ852 63
forum (12-10): 2D-(X)-XX not P w A6 T4 KQ96 K9642
tammens (11-5): 2D-(X)-P-(2H)-P-X pass or convert w AQ9 - AT976 QJ983
groenenboom (08-3): 2D-(X)-P 5-crd D, singletom M
-3C/D fitbid
förch (02-12): 2D-2S/NT same as wo (X)
-3/4H asks to convert to S if needed
westra (17-5): 2D-(3C)-3H both MM
-X penalty
westra (11-11): 2D-(3C/D)-X penalty
-4H-P/4S
tammens (10-4): 2D-(3C)-4C asks the suit
or -4H pass or convert
groenenboom (08-3): 2D-(2H)-X pass or correct
jacobs (07-7): (1NT)-2D(10+)-2H/S P or correct
-3C/D 12-15 6-crd
jacobs (07-7): (1NT)-2D(10+)-2NT-3NT 12-15 6-crd m
jacobs (07-7): (1NT)-2D(10+)-3H/S-3NT 12-15 6-crd m
förch (02-12): 2D-(2H/S)-X fit in other M
-2NT fit both M
-3C/D nf
sint (01-5): 2D-(3D)-X-(3H)-X 6-crd H
-P 6-crd S
forum (91-5): 2D-(2H)-2S w doubleton S, singleton H
AKA Dutch-two. Developed by Onno Janssens who lived in Muiderberg (a village near Amsterdam).
taal (12-3): P w K4 98742 Q8 K854
pasman (11-10): (1NT)-2H (all) w J7 QJ962 2 KQJ92
P:
niemeijer (12-12): 2S-P w JT K3 KJ9 AT9653
KJ AK63 Q962 J93
73 AK632 9 AJ964
2S:
lankveld (16-6): 2H-2S nf
niemeijer (12-12): 2H-2S nf: AKJT94 K Q93 874
2NT:
niemeijer (20-6): (1NT)-2H/S-(X)-2NT asks
forum (17-11): 2H-2NT w AK864 HQ - AK8652
lankveld (16-6): 2H/S-2NT 15+ asks 4-crd
niemeijer (15-7): 2H-(X)-2NT asks minor: 9764 2 Q952 A752
niemeijer (12-12): 2S-2NT-3C-3S-..-4NT asking aces
niemeijer (12-12): 2S-(X)-2NT asks minor
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?-3H 5-crd C max
-4C sets trumpsuit
-4D/H S is trump
kroes (06-5): 2H-2NT-3D-3H-3S/4C-5D lackwood
tevelde (05-3): (1NT)-2H/S-2NT-3NT 44m max
3C/D:
niemeijer (20-6): (1NT)-2H/S-(X)-3C/D to play
lankveld (16-6): 2H/S-3C 0-14
lankveld (16-6): 2H/S-3D invite 4H/S
niemeijer (15-7): 2H-(X)-3C own suit: 954 2 J7 AJT8643
niemeijer (12-12): 2H/S-3C-P=C
-3D=D
niemeijer (12-12): 2S-3D invite AJ93 KJ32 A53 J8
niemeijer (12-12): 2S-(X)-3C to play
2S-3H:
lankveld (16-6): 2S-3H nf
westra (15-1): 2S-P w 2 A86542 KT2 J87
niemeijer (12-12): 2S-3H nf
Support:
lankveld (16-6): 2H-3H and
2S-3S preempt
niemeier (12-12): 2S-3S preempt: QJ87 AJ4 T72 Q93
Higher:
lankveld (16-6): 2H-3NT/4H to play
2S-3NT/4S to play
forum (15-3): 2H-(X)-4C fitbid: 3 KQ74 975 AKT63
niemeijer (12-12): 2H-3S real gf
2S-3NT to play
-4C/D fitbid
-4S to play: QJ5 85 AKJT4 A94
-4NT asks minor
-5C/D/H to play
2H-4C w J9 AQ32 Q3 KQT83
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
forum (03-4): 2H-(2S)-4C fitbid
förch (02-4): 2S-5C asks to convert
vancleef (99-06): 2H-4S to play
westra (15-7): 2H-(3C)-X penalty, not "pass or correct"
jacobs (07-7): (1NT)-2H-(2NT:sohl)-X-P-3H 3-crd 10-11
-3H 4-crd weaker
jacobs (01-9): (1NT)-2H-(2S)-2NT-3H lied about 2-suiter
jacobs (98-10): (1NT)-2S-(3NT)-P-4H
w AT87543 J9852 J - i.e. common sense
forum (01-5): 2H-(X)-XX business
As defence against 1NT:
jacobs (07-7): (1NT)-2H-(2NT:sohl)-X-P-3H 3-crd 10-11
-3H 4-crd weaker