Chicago Bridge (Game over!)

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Chicago Bridge (Game over!)

Post Post #0 (ISO) » Sun Jun 15, 2014 7:30 am

Post by StrangerCoug »

DEALING AND VULNERABILITY

The game will consist of four hands played in teams of two, north and south playing against east and west. Neither team is vulnerable for the first hand, the dealer's opponents are vulnerable in the second and third hands, and both sides are vulnerable in the last hand. The effects of vulnerability will be explained in the section on scoring.

BIDDING STAGE

Bidding starts with the dealer, who may choose to bid or pass. Bids are composed of a level followed by a strain. When six is added to the level, the result is the number of tricks bid, while the strain represents the trump suit if any. Each player, in turn, either bids higher than the last bid (if there was one) or pass. A bid is higher than the previous if:
  1. it is of a higher level, or
  2. if it is of the same level but a higher strain. Notrump outranks spades, which outranks hearts, which outranks diamonds, which outranks clubs.
The allowed bids, therefore, range from one club as the lowest to seven notrump as the highest.

You may also, in lieu of bidding or passing, double your opponent's last bid or redouble your opponent's double. Note that you cannot redouble your opponent's bid if they had made a bid since. The effects of doubling and redoubling will be explained in the section on scoring.

Bids, passes, doubles, and redoubles must all be bolded. I do not care about marking alertable and jump bids in any form.

If all players pass on their first opportunity, the hand is neither played nor counted as one of the four hands in the game and there will be a redeal with the same dealer. Otherwise, after three consecutive passes, the last bidder's side is awarded the contract. The bidder on that side that first bid the trump suit (or notrump, if that is applicable) is the declarer, his or her partner is the dummy. (I am not being mean—that is the actual term)

It is not only legal, but standard, to agree on meanings and conventions for bids. If you are unfamiliar with this, my recommendation to you is to partner up with a player who is and discuss it with him or her, but American players usually learn Standard American or a system based on it (2/1 game forcing is increasing in popularity), while most British players learn Acol. I do not know about other parts of the world very well if at all.
Discussions about exactly what bidding system and conventions to use must take place in this thread.


PLAY OF THE CARDS

The player after the declarer plays to the first trick and may play any card by bolding it. Then, the dummy or I, whichever of us is available first, will expose his or her hand to all players. Declarer must play cards for the dummy and must play a card of the same suit as the opening leader if possible; otherwise, any card from the dummy is legal. The other two players then play, following suit if able. The highest trump wins; if nobody has played trump, the highest card of the suit led wins.

The second through thirteenth tricks are led by the player who won the last trick. As before, declarer always plays for dummy. After all thirteen tricks are played (or earlier, if a side can prove that it will win or lose the rest of the tricks), the hand is scored.

Discussing card signaling follows the same rules as discussing bidding systems.

SCORING

The value of each contract is 20x points for a minor suit (clubs or diamonds) contract, 30x points for a major suit (hearts or spades) contract, and 30x + 10 points for a notrump contract. In each of these, x represents the level of the contract, so, for example, a 4NT contract is worth 30(4) + 10 = 130 points. These values are doubled for a doubled contract and quadrupled for a redoubled contract. The contract value is scored below the line if won. Making a doubled contract also earns 50 points above the line, while making a redoubled contract scores 100 points above the line.

Each overtrick scores above the line as follows:
Not vulnerableVulnerable
Undoubled (♣ or ♦)
20
20
Undoubled (♥, ♠, or NT)
30
30
Doubled
100
200
Redoubled
200
400


Bonuses for game (100 points or more below the line) and slam are scored above the line as follows:
Not vulnerableVulnerable
Game
300
500
Small slam (6-level contract)
500
750
Grand slam (7-level contract)
1,000
1,500

Partial scores (scores not enough for game) carry over to the next deal; however, if your opponents make game, your partial score below the line no longer counts toward game. You do, however, get a bonus of 100 points above the line for making a partial score in hand 4 that is not enough for game.

If you set your opponents' undoubled contract, you score points above the line for each undertrick as follows:
Not vulnerableVulnerable
Undoubled
50
100
Doubled (first undertrick)
100
200
Doubled (next two undertricks)
200
300
Doubled (each undertrick thereafter)
300
300
Redoubled (first undertrick)
200
400
Redoubled (next two undertricks)
400
600
Redoubled (each undertrick thereafter)
600
600


The highest score after four hands wins.

A FEW OTHER THINGS
  • Don't edit. Once you make a bid or play a card, it stands unless the rules don't let it—if that's the case, then make your correction in another post.
  • If you go 48 hours without no action, I will prod you. After another 24 hours, I will replace you.
  • Your PM will contain cards in both pictorial and textual form, with the text version nominally being a backup for the picture version. (This also goes if I am the one posting the dummy hand.) Since you are expected to keep track of what you've played, you may find it useful to copy and paste the text version of your hand (and the dummy's!) to a separate file and delete cards from it as they are played.
  • If you shorthand both cards and bids, it is easier for me to tell which is which if you follow bridge literature convention of putting the suit before the rank when playing a card (C2 or ♣2, not 2C or 2♣, for the two of clubs). If you forget, don't worry—I can figure out which is which from context.
  • It helped when I ran Spades in the past for the leader to mark the card he's playing (e.g.
    Lead: ♠A
    and for the last player to play to a trick to state the number of tricks each side won (e.g. "Declarer has 3/9, defenders have 1 trick").
  • As a rule, I'll only post as needed. If you need me for a clarification, let me know.
  • And last but not least, use your common sense. Don't say anything about your hand that the other side shouldn't know about, don't hinder your partner because you want to be a jerk, etc. Play nice and play fair. I'll eject and replace players that don't.
PLAYERS
  • North (Dealer):
    TierShift
  • East:
    penguin_alien
  • South:
    Mitillos
  • West:
    Thurhame
Convention for TierShift and Mitillos:
Acol (see for specifics)
Convention for penguin_alien and Thurhame:
Standard American (exactly as on the cheat sheet in the next post)

REPLACEMENTS


SCORESHEET

TierShift
Mitillos
penguin_alien
Thurhame
30
50
30
90
40
70
90
220
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Post Post #1 (ISO) » Sun Jun 15, 2014 7:57 am

Post by StrangerCoug »

Players wanting a crash course in bidding Standard American or 2/1 can go here; the same for Acol is here. As for conventions, the ACBL has a database here (scroll down to Bidding Toolkit).

ETA:
Another cheat sheet has been found for Standard American.
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Post Post #2 (ISO) » Sun Jun 15, 2014 2:31 pm

Post by StrangerCoug »

Corrected the scoring section.
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Post Post #3 (ISO) » Mon Jun 16, 2014 6:25 am

Post by RedCoyote »

I'd sign up if I knew how to play, SC!
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Post Post #4 (ISO) » Mon Jun 16, 2014 8:46 am

Post by StrangerCoug »

I know it looks daunting :P I'll worry about score; you see if you can find an experienced bridge player as a partner.
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Post Post #5 (ISO) » Wed Jun 18, 2014 1:47 am

Post by TierShift »

/in as North

I'm willing to play with anyone that wants to play Acol.
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Post Post #6 (ISO) » Wed Jun 18, 2014 3:51 am

Post by Mitillos »

@Tier: I'm a novice, but if you're OK with me as a partner, I could give it a try.
You don't have ambiguity; you have
options
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Post Post #7 (ISO) » Wed Jun 18, 2014 2:26 pm

Post by penguin_alien »

I'm /in, but I play Standard American. I'll read up on Acol if everyone else plays that system.

Question: since when does the dummy get to make suggestions? Once the cards are down, the dummy acts as a pair of hands and nothing else.
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Post Post #8 (ISO) » Wed Jun 18, 2014 3:55 pm

Post by StrangerCoug »

Deleted, then.

What seat?
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Post Post #9 (ISO) » Wed Jun 18, 2014 4:27 pm

Post by penguin_alien »

East, please.
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Post Post #10 (ISO) » Thu Jun 19, 2014 12:25 am

Post by TierShift »

I'll play with Mitillos!
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Post Post #11 (ISO) » Thu Jun 19, 2014 12:45 am

Post by TierShift »

Oh, I've never played chicago bridge, but I do know rubber bridge. Is there a difference I need to incorporate into my playing/bidding style (eg. be more cautious or be more reckless)?
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Post Post #12 (ISO) » Thu Jun 19, 2014 12:48 am

Post by Mitillos »

@Tier: Thank you. I hope I do well.

Any bidding conventions you want to use that don't appear in the sheet linked in post #1? Also, defense signals?
You don't have ambiguity; you have
options
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Post Post #13 (ISO) » Thu Jun 19, 2014 4:30 am

Post by TierShift »

We got our system synced up and ready!
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Post Post #14 (ISO) » Thu Jun 19, 2014 4:58 am

Post by StrangerCoug »

In post 13, TierShift wrote:We got our system synced up and ready!
Is it exactly as on the sheet? Your opponents must know
EXACTLY
what system you are using.
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Post Post #15 (ISO) » Thu Jun 19, 2014 6:46 am

Post by PrivateI »

I've never played, but would love to learn. One question though: Are you allowed to lead the trump suit any time?
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Post Post #16 (ISO) » Thu Jun 19, 2014 6:59 am

Post by TierShift »

SC, I'll publish our system shortly.

Private, bridge is pretty complicated and I'm not sure if this is the right place to try and learn the game...you'd be better off finding some free internet courses I think.
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Post Post #17 (ISO) » Fri Jun 20, 2014 5:49 pm

Post by Thurhame »

/in as penguin's partner

I'm fine with Standard American, as on the cheat sheet StrangerCoug posted or whatever other form penguin would prefer. I'm relatively new to bridge, but have a decent grasp of the basics.

P.S. I thought partial scores only carried over towards game in Rubber Bridge.
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Post Post #18 (ISO) » Fri Jun 20, 2014 6:01 pm

Post by penguin_alien »

Thurhame, works for me! My group plays 1430 instead of Blackwood as described, but I'm fine with Blackwood. I'll double check the second page of the sheet tomorrow, but it looks standard.
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Post Post #19 (ISO) » Fri Jun 20, 2014 11:06 pm

Post by TierShift »

Spoiler: Our bidding chart
TierShift wrote:
Opening bids

1C-no 4 in a suit od H or S, so 2+ clubs
1D- 4+ diamonds
1H/S- 5+ H/S
1NT- 15-17 points with a maximum of 1 doubleton
response to 1 NT: Stayman/Jacoby (in Acol chart)
2C- strong: 20+, relay 2D answer
2D- Multi OR 22+
2H/S- Muiderberg
2SA: 20-22 points, more or less balanced hand
3X- preemptive

Special response bids to opponents

overtake with a jump is
weak
. It's done to interrupt opponents' bidding and shows six cards in the suit with 6-10 points.

Conventions for slam bdding

Splinter bid- a double jump after an opening bid from partner shows support in partner's suit and a singleton or renonce in the bid color with slam interest.
4NT- Roman Keycards Blackwood (keycard is any ace or king of trumps)- 5C is 1 or 4 keycards, 5D is 0 or 3 keycards, 5H is 2 (or 5) keycards without queen of trumps, 5S is 2 (or 5) keycards with queen.
5NT is the same as 4NT but then for kings and queen of trumps. Should be used sparingly.

Our conventions do not change after a double from opponents, but they stop counting after a bid from opponents.
-Tier
Leads

Either first, third or fifth highest of a suit.

Signaling

High card of same suit=keep playing suit
Low card=change suit
For discarding, we use Lavinthal.
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Post Post #20 (ISO) » Sat Jun 21, 2014 6:06 am

Post by StrangerCoug »

In post 17, Thurhame wrote:/in as penguin's partner

I'm fine with Standard American, as on the cheat sheet StrangerCoug posted or whatever other form penguin would prefer. I'm relatively new to bridge, but have a decent grasp of the basics.

P.S. I thought partial scores only carried over towards game in Rubber Bridge.
You may be expecting this game to be scored closer to Duplicate Bridge. There is a scoring variant where partial scores count 50, but I decided not to use it (even though I printed a cheat sheet for scoring it out).

The card images were loaded before I had the adware problems I had mentioned in both Wheel of Fortune games, so this game will be unaffected by the lack of images. Hands will be ready shortly.
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Post Post #21 (ISO) » Sat Jun 21, 2014 6:10 am

Post by StrangerCoug »

TierShift may begin the bidding.
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Post Post #22 (ISO) » Sat Jun 21, 2014 7:07 am

Post by TierShift »

1♠

How many days would a game take? A week?
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Post Post #23 (ISO) » Sat Jun 21, 2014 8:32 am

Post by StrangerCoug »

In post 22, TierShift wrote:How many days would a game take? A week?
Spades averaged two weeks a hand when everyone was active.
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Post Post #24 (ISO) » Sat Jun 21, 2014 10:13 am

Post by TierShift »

Eeehhhh, I'll be on a holiday for three weeks starting from July 18th...
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