Shortest-proof-game challenge - Chess Forums - Page 348

cobra91 · 2011-11-27T02:40:56-08:00

Anyone up for this? For anyone that doesn't know, this involves determining the FASTEST way that a given chess position can be reached in a normal (but not necessarily logical) game. 1. Only one answer per person (to discourage guessing, of course). 2. The first person to come up with the so

daStrwbrry

Mar 25, 2025

0

#6941

BishopTakesH7 wrote:

My friend has found a proof game of 69 moves for both sides. Can you reach this position with white to move faster?

Yes. Here is a proof game in 36 moves, which I believe is the shortest:

BigDoggProblem

Mar 25, 2025

0

#6942

daStrwbrry wrote:

BishopTakesH7 wrote:

My friend has found a proof game of 69 moves for both sides. Can you reach this position with white to move faster?

Yes. Here is a proof game in 36 moves, which I believe is the shortest:

It can be done in 35.5 [bB can go straight to h1 without stopping on g2]:

daStrwbrry

Mar 25, 2025

0

#6943

BigDoggProblem wrote:

It can be done in 35.5 [bB can go straight to h1 without stopping on g2]:

Perhaps I should have specified that my proof game was the shortest with "white to move", as requested. But 35.5 is indeed the shortest without any constraints - good spot.