System Summary Form (SSF), 2020 JLall Online Teams #1


Team: Dinkin Last Updated Oct 1, 2020 at 16:46
Players: Sam Dinkin - Michael Shuster

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Bids that Require Advance Preparation

ACBL Pre-alerts:
1M could be canapé any seat
We play 1M openings as light as 8 HCP and upgrade qualifying hands that are lighter (1HCP per card over 9 in two suits) in 1st and 2nd seats and very wide range 2M (0-14) preempts 3rd seat and direct jump overcalls when partner has passed. We also play very light (0+) responses to 1C.
1NT can be either natural or (5431), (4441) or (6331) with a small singleton.
Opening preempts may be as undisciplined as all spot cards.
Other opening bids, responses and competitive calls that may require advance preparation, but are not ACBL pre-alerts are listed at the bottom of the general bidding style. In general, people like to make defenses against 1D strong and 2NT strong and limited with 6+S and rarely against 1NT for t/o and 1C-1R transfers.

General Bidding Style

Strong D, Weak 1M/2m 1st/2nd
[For points listed here, we routinely upgrade HCP ranges according to ACBL's Rule of 19 (e.g., 5-5 is a 1 point upgrade). This is on top of any other permissible controls, quality or concentration related upgrades which are usually 1 point and rarely 2+.]

List of Openings:
1C = 0+C, art.;
-1st/2nd 10 to 14 nf;
-3rd/4th 15 to 17 unbal forcing (5- losers)
1D = STR 0+D, forcing; we will open this instead of 2NT if we want to ask/bad suit;
-1st/2nd 15 to 37;
-3rd/4th 18 to 37
1H = 4+H could be canapé, we open every hand qualifying for 1M this or something else;
-1st/2nd 8 to 11;
-3rd/4th 15 to 17, 4+H, typically NAT NT
1S = 4+S, 0-3H, could have longer m;
-1st/2nd 8 to 11;
-3rd/4th 15 to 17 4+S, 1-3H, typically NAT NT
1NT = Either NAT or could have one small singleton, no void and 9 or fewer cards in two longest suits;
-1st/2nd 12 to 14;
-3rd/4th 15 to 17, no 4+Major
2C = natural
-1st/2nd 0-6D, 0-4S, 0-4H
--NV 5+C 4+ to 9;
--V 6+C, VV 7+ to 11, RvW 10 to 14;
-3rd 5+C 0-14
-4th 5+C 13-14
2D = natural
-1st/2nd 0-6C, 0-4H, 0-3S
--NV 5+D, 4+ to 9
--V 6+D, VV 7+ to 11, RvW 10 to 14;
-3rd 5+D 0-14
-4th 5+D 13-14
2H = natural 5+H
-1st/2nd: 11 to 14, 5H4m(31) or 6+H0-3S;
-3rd: 0 to 14, any distribution;
-4th: 13 to 14, any distribution
2S = 5+S;
-1st/2nd: 11 to 14, 5S4m(31) or 6+S0-3H;
-3rd: 0 to 14 any distribution;
-4th: 13 to 14 any distribution
2NT = 6-7S single suited
-1st/2nd: 15 to 17
-3rd/4th: 18 to 19
3NT = solid minor
-1st/2nd: no side A or K
-3rd/4th: Gambling/Preemptive, expectation game can make vs. a random 5 count but slam is unlikely

Psychics/awkward situations where we violate system: We tend not to be crazy third seat because we are systemically crazy first and second. Have rarely opted to show Kx when holding stiff K in relay or add a card to AQ and subtract a card from xxxx; rare because it will be two cards off actual pattern. We cannot show 8+suits, 7411 or 12+ cards in two suits in relay so have to represent another pattern if responding to relay.
Forcing pass: We play pass double inversion when one of us has made a game forcing bid. This does not apply to a game raise. In some invitational sequences (e.g., 1D-1H and 1C-2C) our direct passes of bids are forcing below 2NT.

Relay notes: For all openings 1st/2nd through 2NT and 1m/2NT 3rd/4th and 2nd seat power doubles there is a response or advance that forces game and initiates a subsequent relay. To prevent relay:
1C-(1S) is high enough
(1X)-X-(1NT) is high enough 2nd, we do not play relay after 3rd and 4th seat power doubles
1D-(1NT) is high enough
1M-(1NT) is high enough 1st/2nd if it is natural or shows 2 known suits otherwise 2C, no relay 3rd/4th
1N-X is high enough if it cards/penalty/takeout or shows two known suits, (2C) is high enough 1st/2nd if it shows two known suits, otherwise (2D), system off 3rd/4th
2C-(2D) is high enough 1st/2nd, no relay after initial response 3rd/4th
2D-(2H) is high enough 1st/2nd, no relay 3rd/4th
2H-(2S) is high enough 1st/2nd, no relay 3rd/4th
2S-(2NT) is high enough 1st/2nd, no relay 3rd/4th
2NT-(3C) is high enough if it shows two known suits otherwise (3D)

To interrupt relay once started,
Typically 3 steps; this may increase by two steps if opponents double after pattern has been shown
Before pattern is shown, if there is one-step interference (e.g., 1D-1N; (2C), opener has a penalty double available. After a double, opener and responder have a penalty redouble available before pattern has been shown, afterwards only opener has a penalty redouble and only direct.

General style: We play a strong diamond system with many weird openings, competing calls and follow ups.
In the 15 to 37 range in 1st and 2nd seats we have 2 calls:

1D = artificial, 15+, forcing
2NT = artificial, 6+S 0-3H, usually one suited, 15 to 17

In 1st and 2nd seats in the 10 to 14 range we have six calls available:

2M = natural;
-5M4m(31) or 6M0-3oM;
-11 to 14

1NT = natural, possibly with small singleton instead of singleton honor
-12 to 14

1C = 10 to 14, art., 0+C nf

1M = 8 to 11 4+M could have a longer side suit, 1S also shows 0-3H

-We prefer to open 2M or 1NT to 1M or 1C; 1M to 2m NV; 2m to 1C V (but may open 1C with an unbal 2X shape if we do not know whether to accept an invitation or not).
In the 8 to 9 range we can either open at the 3-level or above or, if we have a 4+card major, we open 1 of a major, and except unfavorable, 2m can be opened.
NV we will prefer 1NT to 1M, unless it is a downgrade such as 0-1 control.
Both V&NV, 11 HCP hands with 4+M we tend to avoid 1M and instead bid 2M or 1C if they are 5431, or have more shape unless they have 0-1 control.
Our style is to open all 10 HCP hands even 4333 and all 8+HCP strength hands with a 4+M. We can upgrade or downgrade (with some exceptions imposed by the Open+ chart like not being able to upgrade from less than near average to near average to open 1M or from near average to average to open 1NT). Our preempting style is disciplined on tricks and length, but not suit quality. Length is 6+ 3-level, 7+ 4-level and higher, except that VvV 3m is 7+.

In 3rd and 4th seats, since we already opened all 10+ and most 8+ hands, we increase the strength requirements for our strong bids to 18+. We add another forcing opening: 1C with 15 to 17 and a 5-card suit unbalanced and a 5 or fewer loser hand. Our 1M and 1NT are all 15 to 17 also, but NF.
In the 15 or higher range, we have 8 bids
1C = 15-17 unbal art.
1D = 18+ art.
1M = 4+M Either balanced or Nat NT possibly with a small singleton instead of a stiff honor
-4-5M,
-balanced, semi-balanced or 4441 hands.
-could be canapé
-1S also shows 1-3H

1NT = 15-17 Natural NT denying 4+M or (31)(54)/(33)(61) possibly with a small singleton
2NT = 6S 0-3H, usually one suited 18-19

In the less than 15 range we play 2X 5+card suit natural with no distribution requirements
-3rd 0 to 14
-4th 13 to 14

In 3rd/4th seats, we will pass 0-14 counts with no 5 card suit.

Other opening bids that may require advance preparation:
1C 1st/2nd seats = 10 to 14,
-any pattern,
-could be as short as 0,
-non forcing.

1D = 15 to 37
-artificial;
-forcing
-Some negative inferences that opener did not opt to open 2NT;
-3rd/4th seats 18 to 37

1N 1st/2nd seats = natural, (4441), (5431) or (6331). 4=4=(41) can be shown in relay. Others require representing a doubleton usually by moving it from the shortest 3+m. Opening with small singletons rare, but most likely with (31)(54) or (31)(63)
12 to 14

1N 3rd/4th seats = natural or 6m(331)
-denies a major (i.e., 1-3 in each major),
-15 to 17


Responses that may require advance preparation:
1C-1R 1st/2nd seats = transfer, 0-11
1C-1S 1st/2nd seats = GF art.
1C-2C 1st/2nd seats = 12-13 HCP,
-artificial,
-Stayman,
-does not promise 4+M
1D-1H artificial;
-semi positive;
-1st/2nd seats 6 to 9 or a quick trick; forcing
-3rd/4th seats 4+-7-, 4+ will have at least one control; non-forcing

1D-1S artificial,
-double negative,
-non-forcing,
-less than one quick tricks
-1st/2nd seats 0 to 5,
-3rd/4th 0 to 4-, if 4-, no controls

1D-1NT+ = artificial, game forcing

1M-2C 1st/2nd seats = artificial, game forcing
1M-2C = Art. semi-fitted+, inv+ (4+ card support 3rd/4th)
1M-2oM = NF not a drop
1N-2C 1st/2nd seats = artificial, game forcing
2C-2D = artificial game forcing
2D-2H = art. GF
2H-2S = art. GF
2H-3C = artificial, invitational in S
2H-3D = artificial, invitational in H
2S-2NT = Game forcing, artificial
2S-3new = inv. art
2NT-3C = GF art.
2NT-3R = Jacoby (may req. def. b/c 2N=6+S STR)
2NT-4m = SPL

Competitive calls that may require advance preparation:
(1 of a suit natural) – 1NT = takeout,
-typically 8 to 16 2nd seat
-10 to 18 3rd/4th seats)

(1 of a suit natural) - Double = str NT overcall typically, 2+ in suit doubled,
-2nd seat: 15 to 37,
-3rd/4th: 18 to 37,

1st two jump overcalls are Roman showing a reverser or longer with that suit and the next higher except 1S-3C is natural intermediate
1X-(2X) shows a reverser or longer in the suit immediately above and below the opening bid suit.

Opening Leads AND Leads in the Middle of the Hand

Upside down attitude and count (ATT primary exc. kind lead)
3/lo vs. Suits
4th from suits we like v. NT
ATT leads breaking new suits in middle of hand
standard honors except big king vs. NT
ATT leads vs. NT in a suit that the defenders bid
Suit pref leads possible (e.g. giving ruff)

Defensive Signals

Upside down attitude and count, count primary except on king lead
Standard suit preference