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20 votes
Accepted

Can you castle with a "ghost" rook?

The second part of the question is more straightforward, so I'll look at that first. Is castling with a "ghost" rook like this legal where there was a rook on a1 at the start of the game but it ...
Brian Towers's user avatar
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11 votes
Accepted

Play online live game against a friend with time odds

On Lichess there is a button that allows you to give 15 seconds to your opponent. You could use it to just give a bunch of extra minutes to your friend at the start of a game.
BlindKungFuMaster's user avatar
11 votes

Can you castle with a "ghost" rook?

No, not really. Some problemists might use your case 1 as a joke, but it's not really legal. Your case 2 is certainly not legal (even if the rook had never moved).
Rosie F's user avatar
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6 votes
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How big a rating difference between TOP GM and a patzer would be equivalent to odds games?

Has chess improved that much since Morphy that the odds would not be feasible to give to anyone other than absolute beginners? This is certainly not the case. Kasparov played a master-level player in ...
D M's user avatar
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6 votes

Can you castle with a "ghost" rook?

@Remellion suggested in a comment, less than an hour ago, for a directmate joke problem in which the key is to capture a ghost rook in order to prevent ghost castling as a defense. As such, I decided ...
Rewan Demontay's user avatar
5 votes

Play online live game against a friend with time odds

On the ICC, you can specify a match request to include two pairs of time controls when you request a match with a specific opponent. For example, you can enter the command: match FIZZBANG 30 10 45 20 ...
jaxter's user avatar
  • 3,357
4 votes
Accepted

What does an equal odds game look like for a GM vs an engine?

As of right now, the "equal odds" between a GM and an engine is about two pawns. I believe Hikaru Nakamura made that comment at some point in this match (I did not watch the entire video). ...
Allure's user avatar
  • 27.7k
3 votes

Is chess with pawn odds still a draw?

"Is there any evidence"? No, not unless you count anecdotes as evidence. The analysis is still intractable at this stage, and vastly fewer resources are redirected to odds analysis than to ...
L. Scott Johnson's user avatar
2 votes

King and Three Knights v/s King in end game

Short Answer Yes. 2 Knights cannot mate but 3 knights can. This is a duplicate question however: Please refer to Mate With 3 Knights
Dheebs's user avatar
  • 2,454
2 votes

Imagine your (stronger) opponent plays this Botez Gambit. How to strategise?

I'm confident a GM will beat Stockfish from that position. The key is to simplify the position ASAP. You can even give up material to do so as long as you retain enough material/advantage to win. Here'...
Allure's user avatar
  • 27.7k
2 votes

Is chess with pawn odds still a draw?

FEN: rnbqkbnr/pppppppp/8/8/8/8/PPPPP1PP/RNBQKBNR w KQkq - 0 1 (white without f2 pawn) Stockfish_22030820_x64_avx2: NNUE evaluation using nn-6877cd24400e.nnue enabled 61/65 267,302,583k -1.95 e2-e4 e7-...
Yash Jain's user avatar
  • 535
1 vote
Accepted

Imagine your (stronger) opponent plays this Botez Gambit. How to strategise?

Yes you should be able to get a good position against Magnus/engine. Obviously, Magnus/engine is going to start with Bb5+ Kd8 to misplace our king, and I'm going to assume d3 to break open the ...
NoseKnowsAll's user avatar
  • 5,793
1 vote
Accepted

Is chess with pawn odds still a draw?

I run sf14.1 engine at TC 10m+5s. Black pawn odds There are 8 positions, black has no pawn at a, b ... h. Score of Stockfish 14.1 white vs Stockfish 14.1 black: 8 - 0 - 0 [1.000] ... Stockfish 14....
ferdy's user avatar
  • 4,025
1 vote

How bad of a chess player was Alan Turing?

A similar question was asked on another forum a few years ago, and the answer that was given was "Alan Turing wasn’t a very strong chess player at all. He was probably at the level of a beginner. He ...
patbarron's user avatar
  • 3,664
1 vote

Can you castle with a "ghost" rook?

There are no official rules regarding games with "odds", so I guess it's up to your taste for this particular case. Anyway, my first thought would be to say "No. You can't" and allowing that ...
David's user avatar
  • 16.3k

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