Nick Hughes
2005-01-23 08:33:29 UTC
These are very similar methods over 1NT (or a strong club).
Which is better? Surely somebody has done some theoretical work comparing
them.
Astro is American, Aspro is the English version, Asptro is gaining ground in
England.
Astro: 2C = hearts & a minor, 2D = spades & another
Aspro: 2C = hearts & another, 2D = spades & a minor
Asptro: 2C = hearts & another, 2D = spades & another
They differ in the way they handle both majors:
1) With Astro, you bid 2D with both, then can pass partner's 2H "relay" with
4-5 majors but tend to bid 2S with 5-4. This risks missing a 4-4 heart fit.
2) With Aspro, you bid 2C with both then 2S over the likely 2D "relay" with
5-4, and 2H with 4-5. Over this, responder can continue with 2S "pass or
correct". This looks better, though responder with 5-2-4-2 or similar will
usually pass 2H rather than see the Aspronaut rebid 3C over a delayed 2S.
3) With Asptro, you show the shorter major first so bid 2C with 5-4 and 2D
with 4-5. This might be best though responder with 3-3-5-2 will tend to
choose 2S over your 2D, rather than hear you rebid 3C.
It's often tempting to try Asptro or similar with 4-4 majors.
Continuations are interesting. Taking Asptro as the base, this is the usual
Australian structure:
2C 2D "pass with 5 diamonds or bid your 5-carder"
2H often 3-card support (unless 4333 or something like 2-3-4-4 when
2D is better)
2S natural, not forcing
2NT "bid your other suit"
3C/D natural
3H limit 4-card raise (not pre-emptive)
2C 2D
2H 2S "pass or correct" could be 3-1-5-4 say
2NT natural invitation
3C/D no idea!
3H 3-card raise
Of course, 3rd hand often bids, perhaps tipping the scales towards one of
the older methods.
Hoping for some feedback (and minimal advice on the merits of Cappelletti,
DONT, Pottage, etc),
Nick
Which is better? Surely somebody has done some theoretical work comparing
them.
Astro is American, Aspro is the English version, Asptro is gaining ground in
England.
Astro: 2C = hearts & a minor, 2D = spades & another
Aspro: 2C = hearts & another, 2D = spades & a minor
Asptro: 2C = hearts & another, 2D = spades & another
They differ in the way they handle both majors:
1) With Astro, you bid 2D with both, then can pass partner's 2H "relay" with
4-5 majors but tend to bid 2S with 5-4. This risks missing a 4-4 heart fit.
2) With Aspro, you bid 2C with both then 2S over the likely 2D "relay" with
5-4, and 2H with 4-5. Over this, responder can continue with 2S "pass or
correct". This looks better, though responder with 5-2-4-2 or similar will
usually pass 2H rather than see the Aspronaut rebid 3C over a delayed 2S.
3) With Asptro, you show the shorter major first so bid 2C with 5-4 and 2D
with 4-5. This might be best though responder with 3-3-5-2 will tend to
choose 2S over your 2D, rather than hear you rebid 3C.
It's often tempting to try Asptro or similar with 4-4 majors.
Continuations are interesting. Taking Asptro as the base, this is the usual
Australian structure:
2C 2D "pass with 5 diamonds or bid your 5-carder"
2H often 3-card support (unless 4333 or something like 2-3-4-4 when
2D is better)
2S natural, not forcing
2NT "bid your other suit"
3C/D natural
3H limit 4-card raise (not pre-emptive)
2C 2D
2H 2S "pass or correct" could be 3-1-5-4 say
2NT natural invitation
3C/D no idea!
3H 3-card raise
Of course, 3rd hand often bids, perhaps tipping the scales towards one of
the older methods.
Hoping for some feedback (and minimal advice on the merits of Cappelletti,
DONT, Pottage, etc),
Nick