Two Diamond opener Flashcards
2D - 2H
weak
2D - 2S
playable in 2S or 3H
2D - 3H
playable in 3H or 3S
2D - 3S
playable in 3S or 4H
2D - 2NT
asking bid
2D - 3C
competitive
2D - 4C
pre-emptive
2D - 4D
pre-emptive
2D - 2NT - 3C
weak 2 in H
can be followed 3D as relay to 3H
2D - 2NT - 3D
weak 2 in S
can be followed by 3H as relay to 3S
2D - 2NT - 3H
4441 singleton H
2D - 2NT - 3S
4441 singleton S
2D - 2NT - 3NT
4441 singleton D (4C relay to 4D for major sign off)
2D - 2NT - 4C
4441 singleton C
can be followed by 4D relay to 4H for major sign off
2D - 2NT - 3NT - 4C
relay to 4D for major sign off
2D - 2NT - 4C - 4D
relay to 4H for major sign off
2D - 2NT - 3C - 3D
relay to 3H
2D - 2NT - 3D - 3H
relay to 3S
2D - * - pass
prepared to play in 2D *
2D - * - **
asks P to bid his major suit
2D
weak 2 in major or 4441 and 18+
2D - 2H - 2S
correcting
2D - 2H - 2NT
singleton C (bid below) (3C relay for point count)
2D - 2H - 2NT - 3C
request point count 18/19 20/21 etc
2D - 2H - 3C - 3D
request point count 18/19 20/21 etc
2D - 2H - 3C
singleton D (bid below) (3D relay for point count)
2D - 2H - 3D - 3H
request point count 18/19 20/21 etc
2D - 2H - 3D
singleton H (bid below) (3H relay for point count)
2D - 2H - 3H - 3S
request point count 18/19 20/21 etc
2D - 2H - 3H
singleton S (bid below) (3S relay for point count)
2D - key responses
Over 2NT bid the singleton, over 2H, 2S bid below so the shortage can be used to relay strength
2D - 3D
competitive
2D - 2S - 2NT
singleton C (bid below) (3C relay for point count)
2D - 2S - 2NT - 3C
request point count 18/19 20/21 etc
2D - 2S - 3C - 3D
request point count 18/19 20/21 etc
2D - 2S - 3C
singleton D (bid below) (3D relay for point count)
2D - 2S - 3D - 3H
request point count 18/19 20/21 etc
2D - 2S - 3D
singleton H (bid below) (3H relay for point count)
2D - 2S - 3NT
singleton S (bid below) (4C relay for point count) 3H being unavailable as would show preference for H over S
2D - 2S - 3NT - 4C
request point count 18/19 20/21 etc
2D - 2S - 3H
Correcting
2D - 2S - 3S
Maximum, invitational