Eddie Kantar is a Grand Master in the World Bridge Federation and a two-time world bridge champion. He wrote Complete Defensive Play, a book listed as a top ten all-time bridge favorite, and is the author of the first three editions of Bridge For Dummies.
I'm not a Bridge player, but I have been reading about the game. This part of the rule surprises me. After the contract is closed, Dummy lays down his/her hand and thereafter doesn't take part in the game anymore.
From a game design perspective this looks silly. It excludes one of the players from the game. Dummy essentially becomes a spectator, which is certainly less fun. If it can't be avoided (e.g. making an incorrect accusation in Cluedo) then yeah, but Bridge offers an obvious way to keep Dummy in the game - just don't have Dummy drop their hand after bidding finishes and play normally.
This isn't for the purpose of excluding the player from the game - and typically the player in that seat will physically move the cards requested by the declarer to be played. The idea is that dummy's hand (and only that hand) becomes public information, creating an asymmetry - the declarer knows all 26 cards that will be used to try to make the contract, but the defenders must infer each others' holdings from the play.
It creates strategic depth. In particular, consider finesses. The skill set expected of declarers includes understanding the play of a finesse, as well as being able to determine whether to attempt them (based on conditional probabilities as well as the risk and reward involved according to the scoring system). If dummy's hand is closed, this becomes impossible - one player on the declaring side may intend to lead into a finesse, but the other player won't know this is the intent, and is torn between the priorities of ensuring the trick is won and sending lead-directing play signals. If we instead open one of the defender's hands in addition to dummy's, the play again becomes impossible - since everyone can deduce everyone else's hand, there is no longer a question of risk.
It makes bidding more competitive. Because of the trick-winning advantage inherent in declaring the contract, it's often possible, when the honours are evenly split, for either side to be able to make a 2- or 3-level contract even without unusual suit length. This enhances another skill component: deciding whether a sacrifice contract will be preferable to letting opponents make their game or slam (in rubber bridge, one might even sacrifice against a part-score contract if it would complete opponents' game).
It would violate a sacred design principle. Players are only supposed to communicate with each other via their actions - including publicly-known codes in bidding (I believe you asked a separate question about this).
It would be mechanically difficult to implement. If declarer only gets to look at the hand once, it creates memory issues; if multiple times, then it involves repeatedly passing cards across the table, which is messy and creates potential for cheating (by swapping cards between declarer's and dummy's hands, which defenders wouldn't know about in this hypothetical).
It would unbalance the advantage created by making it too strong. As is, defenders can take dummy's hand into consideration when choosing leads (except the first) and responses (i.e., avoid playing an unnecessarily high card when declarer is trying to exit with an unavoidable loser). Overly competitive bidding would ruin the scoring system. (While it might be feasible to calibrate that to match, the game was after all developed pretty organically. The current balance works; why disrupt it?)
Bridge has a lot to offer players looking for a stimulating mental challenge, an opportunity to socialize with friends, or a new game to try online. Although the game is known for its daunting rules, it's easier to learn than many expect.
Each player holds 13 cards. There are two teams, with teammates sitting across from each other. One is the declarer/dummy pair, and the other two players are the defenders. The declarer decides which suit is trump for the round, and each team tries to guess how many "tricks" they can take. After that, the game is simple.
Bridge has its own language, but it isn't terribly hard to understand. With a little practice, the terms quickly become familiar, and most of the names make sense when you understand the roles or actions they describe.
There are two keys to understanding bridge bidding: The first is communication with your partner, and the second is understanding how strong your hand is. When you bid, you state how many tricks you believe your team can take.
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Bridge, as any player will tell you, is simply the best card game ever. It's challengingeach hand presents a different set of conditions you must figure out and solve. It's very socialyou play with a partner and two opponents. And best of allit's fun. Bridge For Dummies gives you a step-by-step explanation of the fundamentals of the game in terms you can understand. It walks you through the different aspects of bridge, featuring real-life examples, so that you can feel comfortable with the basics before you ever start to play. And if you're already experienced at the game, you'll discover a wealth of tips and hints that can make you a better player.
I have spent a couple of days now trying to set up a bridge connection but apparently I cannot wrap my head around the documentation. I want to use the bridge for a KVM virtual machine that I am managing with libvirt/virt-manager. I have a very simple standard PC network setup with one Ethernet port and DHCP.
When I started I had netctl, dhcpcd, dhclient, NetworkManager and VMware installed and mostly running in parallel and one eth0 network interface (and lo and some VMware ones) and my network worked fine. By now I have disabled or uninstalled dhclient, NetworkManager and VMware, i.e. only netctl and dhcpcd are still active. That seems fine, i.e. I have a working network connection and I have this profile for eth0 in /etc/netctl:
The bound interface should not have an IP when the bridge is up. More to the point, you should not have a netctl profile (or dhcpcd) for the physical interface enabled or running alongside the bridge profile.
But whether the Constitution really be one thing, or another, this much is certain - that it has either authorized such a government as we have had, or has been powerless to prevent it. In either case, it is unfit to exist.
-Lysander Spooner
Great, thanks and sorry for even dumber questions now: Does that mean I need two bridges? One for the guest system in the KVM virtual machine and one for my host system? I rechecked the netctl profile man page but I am not clear how I would make sure the routing table is configured properly on the host system in that scenario?
Thanks, I will check tomorrow. There probably is some ifplugd service still lurking. I also realized that the bridge interface for the virtual machine probably shouldn't acquire any IP address itself since the guest OS will be running a DHCP client.
I use 'straight' qemu without libvirt, so I don't know how libvirt does networking. But br0 should get an IP. And unless there's NAT involved, the guest will get an IP from the same DHCP server as the host.
Looks like I have a proper setup now after making sure that all eth0 profiles and services are disabled. Thanks, that was great help! I also had to bump up the timeout for the DHCP client somewhat, 10 seconds was a bit tight in my network.
I'm an above average club-level player who started way back in the 1960's playing Acol at school. Between school and Uni I played a lot of bridge at Cardiff bridge club and later represented Sheffield University in the late 60's. I started playing Little Major at Uni and had great fun and some success with it as a system.
After leaving England, living in Bermuda for 5 years and moving to Sydney, Australia I eventually moved to the Ulladulla area on the NSW South Coast in 1994. I soon discovered the local bridge club and started playing again after nearly 30 years. The default system at Mollymook is Standard (5CM SNT) but I didn't enjoy that scheme. When Little Major became legal in Australia I played that with one partner for a couple of years and then we developed our own system based on 11-14 NT, 5CM, unbalanced diamond and a short forcing club. Almost all responses to 1-level openings are transfers.
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