Skip to main content
5 votes
Accepted

Best interesting chess engine?

You can surprise opponents with any engine - just run the engine in multi-PV mode and focus on the 2nd, 3rd, 4th, etc. moves that the engine suggests. You can also try running Lc0 with high WDL ...
Allure's user avatar
  • 28.1k
3 votes

Meaning of output from fast-chess engine testing suite

(Not an expert, but I follow computer chess closely so I have some idea.) In computer chess engines take turns to play the same opening. This is because left to their own devices, engines play a very ...
Allure's user avatar
  • 28.1k
2 votes
Accepted

Is there a chess engine that always responds with the same move to a given position?

I dug around for a bit and it seems it's surprisingly less straightforward than I thought. I don't know about other engines, but much of the randomness of eg. Stockfish and Leela Chess Zero comes from ...
alices_and_bobs's user avatar
2 votes

Which Chess Engine is Most Preferred by Grandmasters for Analysis and Considered the Fastest and Best Currently?

Matthew Sadler on his Silicon Road channel has an excellent series on using Leela with WDL contempt to generate exciting new opening ideas that are difficult to refute over-the-board. See my other ...
qwr's user avatar
  • 3,962
2 votes

Question about stockfish and horizon effect

Regarding maximum depth: Yes, Stockfish simply stops searching when reaching it. Regarding "dismissing a possibility", selectivity of search decreases as nominal depth increases, i.e., the ...
Fabian Fichter's user avatar
1 vote
Accepted

Why calculate magic numbers for bitboards rather than using the blocker bitboard as a key?

Basically, what you're missing is that while there may only be 64*212 possible different blocker values to consider, those values are spread out across almost the entire 64-bit number range, which is ...
Nelson O's user avatar
  • 770
1 vote

Engines and blocked positions

There is a performant engine to determine whether positions are dead from one side or both sides. See deadpos. This isn't the same as blocked positions, such as the example given, where the players ...
Laska's user avatar
  • 13.1k
1 vote

Engines and blocked positions

Is there an engine today which, on an ordinary laptop, is capable of assessing it as 0.00 in a few seconds? Engines will start giving the correct evaluation for this position when they are capable of ...
Nils Lindemann's user avatar
1 vote

Question about stockfish and horizon effect

Maximum depth has nothing to do with the Horizon Effect. HE means the engine oversees a forced line because it only calculates x moves ahead, and in the move x+1 there is a forced win or draw or a ...
MikeTrans's user avatar
  • 161
1 vote

Best interesting chess engine?

I should say that you should analyze your games yourself to actually have serious improvement (and it is a good idea to analyze your own games). That being said, there are adaptive chess engines that ...
Cyriac Antony's user avatar
1 vote

Viability of 4 player chess engines

First, I agree with James Martin that the question is difficult to answer for a free-for-all four-player chess because even the definition of optimal strategy becomes unclear. So I’m going to assume ...
Andrei Matveiakin's user avatar
1 vote

Positions that stump engines

Here's an interesting example that I saw in the July 2024 issue of The Problemist. I will quote below John Nunn's commentary in full. He encountered this position in a 2023 solving competition. [Title ...
Timothy Chow's user avatar
  • 1,017

Only top scored, non community-wiki answers of a minimum length are eligible