Chess
Noam D. Elkies's user avatar
Noam D. Elkies's user avatar
Noam D. Elkies's user avatar
Noam D. Elkies
  • Member for 7 years, 10 months
  • Last seen this week
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6,514
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147k
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91
answers
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37
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233
Score
35
Posts
38
Posts %
136
Score
15
Posts
16
Posts %
88
Score
13
Posts
14
Posts %
73
Score
12
Posts
13
Posts %
55
Score
7
Posts
8
Posts %
54
Score
6
Posts
7
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Top posts
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All Questions Answers
Score Newest
answer
29
What moves solve this mate in 2?
May 11, 2020
answer
26
On an infinite board, which pieces are needed to checkmate?
Dec 19, 2020
answer
22
Elo loss for resign vs checkmate
Dec 23, 2016
answer
21
Positions where pawn promotion to queen is worse than to other piece
Mar 7
answer
20
What is the longest known sequence of forced moves leading to a checkmate for one side?
Feb 26, 2017
answer
16
Can a King and a Knight force stalemate against a lone King?
Jan 17, 2016
answer
16
Fastest possible checkmate by en passant
May 2, 2018
answer
16
Ruy Lopez Main Line - Why not Be7 before Nf6?
Feb 26
answer
12
Find a KNP-KQ endgame in which Black loses
Mar 9, 2021
answer
12
Longest sequence of mutually forced moves
Nov 29, 2015
Top network posts
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247
Should the formula for the inverse of a 2x2 matrix be obvious?
142
Source and context of $\frac{22}{7} - \pi = \int_0^1 (x-x^2)^4 dx/(1+x^2)$?
103
Tweetable Mathematics
91
Inverting lower triangular matrix in time $n^2$
85
Tweetable Mathematics

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