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Author Topic: Random Stuff Part IV  (Read 76214 times)

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blueblimp

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Re: Random Stuff Part IV
« Reply #550 on: December 17, 2020, 05:00:56 am »
0

Randomness means search isn't going to help much, unlike in chess and go. Randomness isn't itself such a big problem; IIRC computers were playing superhuman backgammon before superhuman chess. But it does diminish the opportunity to out-calculate humans.

Doesn't that also work the other way round? Humans are notoriously garbage at calculating probability (especially at guesstimating it when the math gets too complicated to do on the fly), but for computers, it's trivial. Working out chess or go decision trees in your head is still impossibly hard to do even nearly as comprehensively as computers can because you just don't have the brain capacity to do it, but I don't think it's an inherently difficult skill for humans.
Could be. I'm not sure about this point.

I should also clarify that I'm imagining an AlphaZero-style AI that learns strategy for itself. It's probably more straightforward to make a superhuman Dominion AI by giving it a lot of per-card strategy hints, but that's a lot of work and not very interesting.
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silverspawn

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Re: Random Stuff Part IV
« Reply #551 on: December 17, 2020, 08:52:59 am »
0

AFAIK, computers are still garbage at the strategic part of Starcraft.

I don't think so. AlphaStar had a decent series against Serral, and it had strictly limited APM.
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blueblimp

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Re: Random Stuff Part IV
« Reply #552 on: December 17, 2020, 04:07:07 pm »
+1

AFAIK, computers are still garbage at the strategic part of Starcraft.

I don't think so. AlphaStar had a decent series against Serral, and it had strictly limited APM.
I vaguely remember that being more driven by consistent micro (which is an advantage computers have even with limited APM) than by strategy. I think SC is kind of a bad testbed because being real-time makes it hard to get a meaningfully even comparison with humans.
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GendoIkari

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Re: Random Stuff Part IV
« Reply #553 on: December 21, 2020, 01:34:20 pm »
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When Best Buy says "same day delivery", they really mean it, even if it means that your doorbell rings at 11:56 PM because your package has been delivered.
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LibraryAdventurer

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Re: Random Stuff Part IV
« Reply #554 on: December 25, 2020, 05:52:27 am »
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« Last Edit: February 14, 2021, 01:44:07 pm by LibraryAdventurer »
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silverspawn

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Re: Random Stuff Part IV
« Reply #555 on: February 12, 2021, 05:50:00 pm »
+1

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infangthief

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Re: Random Stuff Part IV
« Reply #556 on: March 10, 2021, 10:59:37 am »
0

I saw a puzzle once along the lines of:

White to play and force Black to achieve checkmate in 12 moves.

EDIT: And now that I look for it I find that wikipedia has an entry on "Selfmate", so it seems to be an established type of problem.
« Last Edit: March 10, 2021, 11:01:21 am by infangthief »
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spineflu

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Re: Random Stuff Part IV
« Reply #557 on: June 20, 2021, 10:38:10 pm »
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big cats like pumas and tigers can get absolutely zooted via catnip, just like house cats do

GendoIkari

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Re: Random Stuff Part IV
« Reply #558 on: June 21, 2021, 06:55:33 pm »
+2

Oh hey if were posting chess puzzles here, this is a really cool one:

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blueblimp

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Re: Random Stuff Part IV
« Reply #559 on: June 23, 2021, 02:17:54 am »
+1

Oh hey if were posting chess puzzles here, this is a really cool one:


Is this it?

Uppercase = white
Lowercase = black

n = K
i = R
k = B
g = N
t = Q
h = P

Previous move was by black: bxc1=R+

I tried to only do provable deductions to get here, so it should be a unique solution, but my confidence in accuracy is low.
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silverspawn

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Re: Random Stuff Part IV
« Reply #560 on: June 23, 2021, 09:43:27 am »
0

Nvm I'm stupid bluelimp got it. I missed the diagonal promotion. Good puzzle. This solution is most certainly unique.
« Last Edit: June 23, 2021, 10:03:48 am by silverspawn »
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Jack Rudd

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Re: Random Stuff Part IV
« Reply #561 on: June 23, 2021, 12:28:05 pm »
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Oh hey if were posting chess puzzles here, this is a really cool one:


OK, this looks fun. Here's my deductions:

The king must be a letter of which there's exactly one on each side. Thus N is the king.

T, I, G and K cannot be pawns, because each of those letters is on a back rank somewhere. So H is the pawn.

I cannot be the queen, because then both kings would be in check. G cannot be a queen or bishop, because the c3 king would be in an illegal double check from the two pieces.

Suppose the c3 king is not in check. Then I would have to be the bishop, with G and T being rook and knight between them, but that leaves K as the queen, and then the king on b6 is in an illegal double check from the bishop on a5 and queen on b8. Thus the c3 king is in check and the b6 king is not. This, in turn, means I is a rook or knight, and K a knight or bishop. Thus T is the queen. This leaves K as the only possible option for the bishop.

The king on c3 must be in double check from the queen on a1 and either a knight on a2 or a rook or c1. The first is an impossible double check, but the second is possible if it's a black rook and the last move was ...b2xc1=R+. So upper case letters are white.

N - king
T - queen
I - rook
K - bishop
G - knight
H - pawn

Upper case = white
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GendoIkari

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Re: Random Stuff Part IV
« Reply #562 on: June 23, 2021, 09:21:17 pm »
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Having not memorized the exact solution myself, I can say that the three answers posted are almost certainly correct because they all mention a pawn promotion as the last move, which is the only way to make it possible.
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SirPeebles

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Re: Random Stuff Part IV
« Reply #563 on: August 08, 2021, 12:31:33 am »
+1

How am I still the 25th most prolific poster in these forums? I've barely even been here in the past seven years.
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Awaclus

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Re: Random Stuff Part IV
« Reply #564 on: August 08, 2021, 04:14:22 am »
+1

How am I still the 25th most prolific poster in these forums? I've barely even been here in the past seven years.

Most of the discussion is on the Discord nowadays, the forum is pretty much just for Mafia and VAFC at this point.
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LibraryAdventurer

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Re: Random Stuff Part IV
« Reply #565 on: November 24, 2021, 04:00:48 am »
+2

My parents' Alexa completely at random and unprovoked: I prefer to throw it down.

Tables

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Re: Random Stuff Part IV
« Reply #566 on: November 24, 2021, 03:51:57 pm »
+4

I've reached a weird point where when I play old games, I sometimes look online for info about them - strategy stuff, formulae and so on. And I find a good post giving the kind of detail I'm after, only to realise it was posted my myself, 5-10 years ago. It's a strange feeling.
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GendoIkari

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Re: Random Stuff Part IV
« Reply #567 on: November 24, 2021, 05:30:06 pm »
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I've reached a weird point where when I play old games, I sometimes look online for info about them - strategy stuff, formulae and so on. And I find a good post giving the kind of detail I'm after, only to realise it was posted my myself, 5-10 years ago. It's a strange feeling.

I have definitely had this happen with posts on this forum about Dominion.
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