Memory palaces work for some. If you are unfamiliar with the term, search Amazon for it. It works best for those with a vivid visual imagination. People have successfully used this technique to do things like remember the entire written works of Shakespeare, etc.
If you don’t want to go that route, Here are some tips that work for me.
Focus on what is most important to remember and do not try to remember too much. Gradually build your capacity to remember. Don’t try to remember every card played. Most of the spots played are irrelevant.
What 3 cards are high in each suit right now?
- if the Ace and King are played at trick one, in your mind you promote the QJT to high.
- If the T, J and king are played at trick one, the A,Q and 9 are high.
If you can only remember one thing about a suit, this is it.
How many trumps do the defenders hold?
The key to remembering whether trumps are out is counting trumps in the best way.
- How many trumps did they begin with?
- What is the most even distribution of that number between 2 hands?
- For example, if they hold 5 trumps, the most even distribution is 3–2.
- Have they used one to ruff?
- How many rounds did they follow to?
- For example, they started with 5 trumps. No one has ruffed.
- You play 2 rounds of trump and no one shows out.
- They both followed to two rounds. Trumps must have been were divided 3–2 originally
- Only one trump is outstanding
When you can always count Trumps correctly, begin to count all long suits.
Remembering Spot Cards
Whenever partner leads a spot card or signals with a spot card on your opening lead, ask yourself whether there are lower spots which are unseen. Do this before you attempt to assign meaning to the lead or signal.
For example, you lead a suit, dummy plays ace. Partner plays 3—that looks low. Now look for the 2 in your hand and dummy. Then interpret the signal. Perhaps the 2 is missing. In that case, the 3 might be partner making a tiny echo.
The act of looking for lower spots will reinforce the memory of the 3 being played.
Watch for Showouts
Make a mental note any time any player fails to follow to a suit. Stop at that time and recreate the original distribution of that suit around the table.
For example, you hold AKQ opposite 3 small. On the 3rd round, LHO discards something. What he discards is normally much less important than that he discarded. Count the suit around the table. You started with 6, they started with 7. LHO held 2, so RHO must have had 5.
Recreating the original distribution mentally will seal in the memory that the showout happened. When you no longer have trouble remembering showouts, add in the memory of the card discarded.
When ever a showout occurs, I take a mental picture of the trick in my mind. i take a moment to stare at all the cards. I often do not immediately process the meaning of the enemy’s discard (was it a count or an attitude signal to his partner?). When I want to know, I think back to my mental picture of the card played on the showout trick.
I would start with a question: why is it important to remember what has been played? The answer, of course: so that you know what remains — and hopefully which of the two hidden hands contain each remaining card. Since that is the goal, I recommend starting your practice with a visualization of each hidden hand: its possible shapes, high cards, and remaining cards in each suit, based on the bidding and updated as play progresses. Rather than remembering that 8 hearts have been played after two rounds in the suit, remember that there are 5 outstanding: (for example) the two you hold, and three more, which are all likely to be in Declarer’s hand since he opened 1H. The permutations are endless, but it is nearly always possible to draw useful inferences with practice. It is also very helpful to memorize all of the possible ways to add 4 numbers to 13 (4-3-3-3, 4-4-3-2, 5-3-3-2 etc.) and use them in your counting, both as original suit distributions of each hand and the original distribution of each suit across all 4 hands.
There are national competitions for memorizing decks of cards. There is a pretty standardized technique that people use in these competitions. The essence of the technique is to associate vivid mental images with each card. This technique could help you for remembering cards played in bridge. For example, you could associate Shaquille O’Neal driving a purple and yellow Volkswagen Beetle while spinning a basketball in his left hand and associate that image with the king of spades. When the king of spades is played you would recall the image. Later in the game, you would go through the order of images to remember which cards were played.
Check these articles out:
Method of loci
Secrets of a Mind-Gamer
How to Memorize a Deck of Cards in 43 Seconds
For the average player it is difficult to remember all the cards played so prioritise.
First count the trumps down from 13.
Remember which suits were played in each round.
Look at the highest card in each suit in your hand and remember if it is a winner or not. Look for consecutive cards in a suit and remember if they are winners. For example J, T, 9 are equivalent. Watch for two of the A, K, Q falling in the same trick making one of these a winner. If all 3 fall in one trick then you have two winners. (Obviously outstanding trumps may affect this.)
Remember if a card in the middle of a consecutive sequence has been played. For example if you have Q, T, 9, X and the J is played the Q, T, 9 become equivalent.
If you have 3 low cards in a suit, it probably isn’t worth remembering that suit, if you have 4 low cards it is possible that the distribution is 4-3-3-3. This is a long shot so only count this suit if you need to win that fourth card for contract.
Well, the way I do it is to keep track of tricks:
If trick one and two are hearts, and no one throws off suit, then 8 hearts have been played and 5 remain. That means if you have one heart, there are four left between the other players.
If a player throws off suit, this is valuable information, and it effects the count: if one player trumps the second heart lead, and your partner overruffs it, then only 6 hearts have been played (and two trump are gone). You now know exactly how many and which hearts the one remaining opponent has.
So begin practicing by picking a specific suit (I recommend the trump suit), and just keep track of how many tricks in the suit happen until a discard.
As for the exact cards, only worry about the honors first. If you do this every hand for a few games, it will become much easier to keep track of, and you can add another suit to the mix (I recommend your longest non-trump suit, so you can practice avoiding getting trumped). As this becomes easier, add the remaining two suits.
1. Do not turn the trick fast. Look at the cards that were played, make a mental note.
2. Start with counting just the honors and trumps, when this becomes automatic try to remember every card.
3. When dummy – don’t sit idle, count out your partners hand. Look at it later to see how well you counted.
Don’t. (you generally do not need to memorize each card as it is played)
You generally start off knowing 26 cards and their positions – your own hand and the dummy. You know what sort of hand declarer should have, give or take. So you should have a fair idea of likely distributions, and locations of some of the key cards.
Discards will tell you not only that a person is out of a suit, but also what the exact distribution of that suit was in the first place.
After the first three tricks, you will likely know all but 5 or 6 key cards at the most. A “key card” is one which will be sure to beat your card in a suit :). It is a lot easier to be sure to remember who is short in which suit, and which remaining cards are not winners, than it is to “memorize” 52 cards. Really.
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