Copycat chess is backCopycat Chess (Part 3/3)Copycat Chess (Part 2/3)Copycat Chess (Part 1/3)The Erasmus rook...
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Copycat chess is back
Copycat Chess (Part 3/3)Copycat Chess (Part 2/3)Copycat Chess (Part 1/3)The Erasmus rook tourCan you stop the rambling rook?No More Kings puzzleGetting rid of all chess pieces (except the kings) in a sequence consisting only of capturesA Chess Puzzle in ReverseA Battle of Dysfunctional Kings (Chess)The Fastest Queen Trap (Chess)Loser Chess : another proof gameThe Chess 24 GameHow many total checkmates can you possibly make against the enemy king?
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This puzzle is inspired by and has similar rules to the series of puzzles by Sleafar.
Definition. A copycat chess opening is a sequence of moves starting from the conventional starting position, where every move by White (including the last one) is copied by Black identically, resulting in a symmetrical position with respect to the mid-horizontal axis. Every move must be legal, but the last move doesn't have to be checkmate, hence the name opening instead of game.
What is the shortest copycat chess opening in which a rook captures another rook?
chess
$endgroup$
add a comment |
$begingroup$
This puzzle is inspired by and has similar rules to the series of puzzles by Sleafar.
Definition. A copycat chess opening is a sequence of moves starting from the conventional starting position, where every move by White (including the last one) is copied by Black identically, resulting in a symmetrical position with respect to the mid-horizontal axis. Every move must be legal, but the last move doesn't have to be checkmate, hence the name opening instead of game.
What is the shortest copycat chess opening in which a rook captures another rook?
chess
$endgroup$
$begingroup$
Does it need to be symmetrical up to the rook capture or after the rook capture?
$endgroup$
– Brandon_J
18 mins ago
$begingroup$
@Brandon_J every move, including the last one...
$endgroup$
– Arnaud Mortier
11 mins ago
add a comment |
$begingroup$
This puzzle is inspired by and has similar rules to the series of puzzles by Sleafar.
Definition. A copycat chess opening is a sequence of moves starting from the conventional starting position, where every move by White (including the last one) is copied by Black identically, resulting in a symmetrical position with respect to the mid-horizontal axis. Every move must be legal, but the last move doesn't have to be checkmate, hence the name opening instead of game.
What is the shortest copycat chess opening in which a rook captures another rook?
chess
$endgroup$
This puzzle is inspired by and has similar rules to the series of puzzles by Sleafar.
Definition. A copycat chess opening is a sequence of moves starting from the conventional starting position, where every move by White (including the last one) is copied by Black identically, resulting in a symmetrical position with respect to the mid-horizontal axis. Every move must be legal, but the last move doesn't have to be checkmate, hence the name opening instead of game.
What is the shortest copycat chess opening in which a rook captures another rook?
chess
chess
edited 4 mins ago
Arnaud Mortier
asked 23 mins ago
Arnaud MortierArnaud Mortier
2,112725
2,112725
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Does it need to be symmetrical up to the rook capture or after the rook capture?
$endgroup$
– Brandon_J
18 mins ago
$begingroup$
@Brandon_J every move, including the last one...
$endgroup$
– Arnaud Mortier
11 mins ago
add a comment |
$begingroup$
Does it need to be symmetrical up to the rook capture or after the rook capture?
$endgroup$
– Brandon_J
18 mins ago
$begingroup$
@Brandon_J every move, including the last one...
$endgroup$
– Arnaud Mortier
11 mins ago
$begingroup$
Does it need to be symmetrical up to the rook capture or after the rook capture?
$endgroup$
– Brandon_J
18 mins ago
$begingroup$
Does it need to be symmetrical up to the rook capture or after the rook capture?
$endgroup$
– Brandon_J
18 mins ago
$begingroup$
@Brandon_J every move, including the last one...
$endgroup$
– Arnaud Mortier
11 mins ago
$begingroup$
@Brandon_J every move, including the last one...
$endgroup$
– Arnaud Mortier
11 mins ago
add a comment |
4 Answers
4
active
oldest
votes
$begingroup$
How about seven moves each
1) p-a4 p-a5
2) p-b4 p-b5
3) p(b)xp pxp
4) p-a6 p-a3
5) p-a7 p-a2
6) pxN=R pxN=R
7) RxR RxR
$endgroup$
$begingroup$
Yep :) not the shortest though.
$endgroup$
– Arnaud Mortier
5 mins ago
2
$begingroup$
@Arnaud Mortier How about now
$endgroup$
– Penguino
3 mins ago
add a comment |
$begingroup$
I hope this answer doesn't get sniped...
Building off of @penguino's answer, we can cut the opening to just 7 moves:
1. a4 a5 2. b4 b5 3. bxa5 bxa4 4. a6 a3 5. a7 a2 6. axb8=R axb1=R 7. Rbxa8 Rxa1
Ah darn, I did get sniped :(
$endgroup$
$begingroup$
Yes you did :) +1 though.
$endgroup$
– Arnaud Mortier
2 mins ago
$begingroup$
Maybe if I added an explanation...
$endgroup$
– PiIsNot3
1 min ago
add a comment |
$begingroup$
Could it be
1. h4 h5
2. g4 g5
3. hxg5 hxg4
4. Rxh8...?
$endgroup$
1
$begingroup$
lol nice answer; beat me to it
$endgroup$
– Brandon_J
13 mins ago
$begingroup$
No idea if it’s right or not but that’s the first thing I thought of haha @Brandon_J
$endgroup$
– El-Guest
12 mins ago
$begingroup$
I think both of you forgot to read the rules: every move, including the last one... :)
$endgroup$
– Arnaud Mortier
11 mins ago
$begingroup$
@Brandon_J this entire puzzling experience has been very meta LOL
$endgroup$
– El-Guest
11 mins ago
2
$begingroup$
"I'm So Meta, Even This Acronym" - XKCD
$endgroup$
– Brandon_J
10 mins ago
add a comment |
$begingroup$
Here's
8 moves
lichess study
1. a4 a5 2. b4 b5 3. axb5 axb4 4. Nc3 Nc6 5. b6 b3 6. b7 b2 7. b8=R b1-R 8. Rxb1 Rxb8
$endgroup$
$begingroup$
Think I just sniped you, friend!
$endgroup$
– El-Guest
13 mins ago
$begingroup$
I think both of you forgot to read the rules: every move, including the last one... :)
$endgroup$
– Arnaud Mortier
11 mins ago
$begingroup$
Weeeelll, I'm late to the party again @ArnaudMortier
$endgroup$
– Brandon_J
2 mins ago
$begingroup$
@Brandon_J I hope you had fun anyway :)
$endgroup$
– Arnaud Mortier
55 secs ago
$begingroup$
I did. Thanks for the puzzle!
$endgroup$
– Brandon_J
18 secs ago
add a comment |
Your Answer
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4 Answers
4
active
oldest
votes
4 Answers
4
active
oldest
votes
active
oldest
votes
active
oldest
votes
$begingroup$
How about seven moves each
1) p-a4 p-a5
2) p-b4 p-b5
3) p(b)xp pxp
4) p-a6 p-a3
5) p-a7 p-a2
6) pxN=R pxN=R
7) RxR RxR
$endgroup$
$begingroup$
Yep :) not the shortest though.
$endgroup$
– Arnaud Mortier
5 mins ago
2
$begingroup$
@Arnaud Mortier How about now
$endgroup$
– Penguino
3 mins ago
add a comment |
$begingroup$
How about seven moves each
1) p-a4 p-a5
2) p-b4 p-b5
3) p(b)xp pxp
4) p-a6 p-a3
5) p-a7 p-a2
6) pxN=R pxN=R
7) RxR RxR
$endgroup$
$begingroup$
Yep :) not the shortest though.
$endgroup$
– Arnaud Mortier
5 mins ago
2
$begingroup$
@Arnaud Mortier How about now
$endgroup$
– Penguino
3 mins ago
add a comment |
$begingroup$
How about seven moves each
1) p-a4 p-a5
2) p-b4 p-b5
3) p(b)xp pxp
4) p-a6 p-a3
5) p-a7 p-a2
6) pxN=R pxN=R
7) RxR RxR
$endgroup$
How about seven moves each
1) p-a4 p-a5
2) p-b4 p-b5
3) p(b)xp pxp
4) p-a6 p-a3
5) p-a7 p-a2
6) pxN=R pxN=R
7) RxR RxR
edited 3 mins ago
answered 8 mins ago
PenguinoPenguino
7,1772168
7,1772168
$begingroup$
Yep :) not the shortest though.
$endgroup$
– Arnaud Mortier
5 mins ago
2
$begingroup$
@Arnaud Mortier How about now
$endgroup$
– Penguino
3 mins ago
add a comment |
$begingroup$
Yep :) not the shortest though.
$endgroup$
– Arnaud Mortier
5 mins ago
2
$begingroup$
@Arnaud Mortier How about now
$endgroup$
– Penguino
3 mins ago
$begingroup$
Yep :) not the shortest though.
$endgroup$
– Arnaud Mortier
5 mins ago
$begingroup$
Yep :) not the shortest though.
$endgroup$
– Arnaud Mortier
5 mins ago
2
2
$begingroup$
@Arnaud Mortier How about now
$endgroup$
– Penguino
3 mins ago
$begingroup$
@Arnaud Mortier How about now
$endgroup$
– Penguino
3 mins ago
add a comment |
$begingroup$
I hope this answer doesn't get sniped...
Building off of @penguino's answer, we can cut the opening to just 7 moves:
1. a4 a5 2. b4 b5 3. bxa5 bxa4 4. a6 a3 5. a7 a2 6. axb8=R axb1=R 7. Rbxa8 Rxa1
Ah darn, I did get sniped :(
$endgroup$
$begingroup$
Yes you did :) +1 though.
$endgroup$
– Arnaud Mortier
2 mins ago
$begingroup$
Maybe if I added an explanation...
$endgroup$
– PiIsNot3
1 min ago
add a comment |
$begingroup$
I hope this answer doesn't get sniped...
Building off of @penguino's answer, we can cut the opening to just 7 moves:
1. a4 a5 2. b4 b5 3. bxa5 bxa4 4. a6 a3 5. a7 a2 6. axb8=R axb1=R 7. Rbxa8 Rxa1
Ah darn, I did get sniped :(
$endgroup$
$begingroup$
Yes you did :) +1 though.
$endgroup$
– Arnaud Mortier
2 mins ago
$begingroup$
Maybe if I added an explanation...
$endgroup$
– PiIsNot3
1 min ago
add a comment |
$begingroup$
I hope this answer doesn't get sniped...
Building off of @penguino's answer, we can cut the opening to just 7 moves:
1. a4 a5 2. b4 b5 3. bxa5 bxa4 4. a6 a3 5. a7 a2 6. axb8=R axb1=R 7. Rbxa8 Rxa1
Ah darn, I did get sniped :(
$endgroup$
I hope this answer doesn't get sniped...
Building off of @penguino's answer, we can cut the opening to just 7 moves:
1. a4 a5 2. b4 b5 3. bxa5 bxa4 4. a6 a3 5. a7 a2 6. axb8=R axb1=R 7. Rbxa8 Rxa1
Ah darn, I did get sniped :(
answered 2 mins ago
PiIsNot3PiIsNot3
1,712124
1,712124
$begingroup$
Yes you did :) +1 though.
$endgroup$
– Arnaud Mortier
2 mins ago
$begingroup$
Maybe if I added an explanation...
$endgroup$
– PiIsNot3
1 min ago
add a comment |
$begingroup$
Yes you did :) +1 though.
$endgroup$
– Arnaud Mortier
2 mins ago
$begingroup$
Maybe if I added an explanation...
$endgroup$
– PiIsNot3
1 min ago
$begingroup$
Yes you did :) +1 though.
$endgroup$
– Arnaud Mortier
2 mins ago
$begingroup$
Yes you did :) +1 though.
$endgroup$
– Arnaud Mortier
2 mins ago
$begingroup$
Maybe if I added an explanation...
$endgroup$
– PiIsNot3
1 min ago
$begingroup$
Maybe if I added an explanation...
$endgroup$
– PiIsNot3
1 min ago
add a comment |
$begingroup$
Could it be
1. h4 h5
2. g4 g5
3. hxg5 hxg4
4. Rxh8...?
$endgroup$
1
$begingroup$
lol nice answer; beat me to it
$endgroup$
– Brandon_J
13 mins ago
$begingroup$
No idea if it’s right or not but that’s the first thing I thought of haha @Brandon_J
$endgroup$
– El-Guest
12 mins ago
$begingroup$
I think both of you forgot to read the rules: every move, including the last one... :)
$endgroup$
– Arnaud Mortier
11 mins ago
$begingroup$
@Brandon_J this entire puzzling experience has been very meta LOL
$endgroup$
– El-Guest
11 mins ago
2
$begingroup$
"I'm So Meta, Even This Acronym" - XKCD
$endgroup$
– Brandon_J
10 mins ago
add a comment |
$begingroup$
Could it be
1. h4 h5
2. g4 g5
3. hxg5 hxg4
4. Rxh8...?
$endgroup$
1
$begingroup$
lol nice answer; beat me to it
$endgroup$
– Brandon_J
13 mins ago
$begingroup$
No idea if it’s right or not but that’s the first thing I thought of haha @Brandon_J
$endgroup$
– El-Guest
12 mins ago
$begingroup$
I think both of you forgot to read the rules: every move, including the last one... :)
$endgroup$
– Arnaud Mortier
11 mins ago
$begingroup$
@Brandon_J this entire puzzling experience has been very meta LOL
$endgroup$
– El-Guest
11 mins ago
2
$begingroup$
"I'm So Meta, Even This Acronym" - XKCD
$endgroup$
– Brandon_J
10 mins ago
add a comment |
$begingroup$
Could it be
1. h4 h5
2. g4 g5
3. hxg5 hxg4
4. Rxh8...?
$endgroup$
Could it be
1. h4 h5
2. g4 g5
3. hxg5 hxg4
4. Rxh8...?
answered 13 mins ago
El-GuestEl-Guest
21.5k25092
21.5k25092
1
$begingroup$
lol nice answer; beat me to it
$endgroup$
– Brandon_J
13 mins ago
$begingroup$
No idea if it’s right or not but that’s the first thing I thought of haha @Brandon_J
$endgroup$
– El-Guest
12 mins ago
$begingroup$
I think both of you forgot to read the rules: every move, including the last one... :)
$endgroup$
– Arnaud Mortier
11 mins ago
$begingroup$
@Brandon_J this entire puzzling experience has been very meta LOL
$endgroup$
– El-Guest
11 mins ago
2
$begingroup$
"I'm So Meta, Even This Acronym" - XKCD
$endgroup$
– Brandon_J
10 mins ago
add a comment |
1
$begingroup$
lol nice answer; beat me to it
$endgroup$
– Brandon_J
13 mins ago
$begingroup$
No idea if it’s right or not but that’s the first thing I thought of haha @Brandon_J
$endgroup$
– El-Guest
12 mins ago
$begingroup$
I think both of you forgot to read the rules: every move, including the last one... :)
$endgroup$
– Arnaud Mortier
11 mins ago
$begingroup$
@Brandon_J this entire puzzling experience has been very meta LOL
$endgroup$
– El-Guest
11 mins ago
2
$begingroup$
"I'm So Meta, Even This Acronym" - XKCD
$endgroup$
– Brandon_J
10 mins ago
1
1
$begingroup$
lol nice answer; beat me to it
$endgroup$
– Brandon_J
13 mins ago
$begingroup$
lol nice answer; beat me to it
$endgroup$
– Brandon_J
13 mins ago
$begingroup$
No idea if it’s right or not but that’s the first thing I thought of haha @Brandon_J
$endgroup$
– El-Guest
12 mins ago
$begingroup$
No idea if it’s right or not but that’s the first thing I thought of haha @Brandon_J
$endgroup$
– El-Guest
12 mins ago
$begingroup$
I think both of you forgot to read the rules: every move, including the last one... :)
$endgroup$
– Arnaud Mortier
11 mins ago
$begingroup$
I think both of you forgot to read the rules: every move, including the last one... :)
$endgroup$
– Arnaud Mortier
11 mins ago
$begingroup$
@Brandon_J this entire puzzling experience has been very meta LOL
$endgroup$
– El-Guest
11 mins ago
$begingroup$
@Brandon_J this entire puzzling experience has been very meta LOL
$endgroup$
– El-Guest
11 mins ago
2
2
$begingroup$
"I'm So Meta, Even This Acronym" - XKCD
$endgroup$
– Brandon_J
10 mins ago
$begingroup$
"I'm So Meta, Even This Acronym" - XKCD
$endgroup$
– Brandon_J
10 mins ago
add a comment |
$begingroup$
Here's
8 moves
lichess study
1. a4 a5 2. b4 b5 3. axb5 axb4 4. Nc3 Nc6 5. b6 b3 6. b7 b2 7. b8=R b1-R 8. Rxb1 Rxb8
$endgroup$
$begingroup$
Think I just sniped you, friend!
$endgroup$
– El-Guest
13 mins ago
$begingroup$
I think both of you forgot to read the rules: every move, including the last one... :)
$endgroup$
– Arnaud Mortier
11 mins ago
$begingroup$
Weeeelll, I'm late to the party again @ArnaudMortier
$endgroup$
– Brandon_J
2 mins ago
$begingroup$
@Brandon_J I hope you had fun anyway :)
$endgroup$
– Arnaud Mortier
55 secs ago
$begingroup$
I did. Thanks for the puzzle!
$endgroup$
– Brandon_J
18 secs ago
add a comment |
$begingroup$
Here's
8 moves
lichess study
1. a4 a5 2. b4 b5 3. axb5 axb4 4. Nc3 Nc6 5. b6 b3 6. b7 b2 7. b8=R b1-R 8. Rxb1 Rxb8
$endgroup$
$begingroup$
Think I just sniped you, friend!
$endgroup$
– El-Guest
13 mins ago
$begingroup$
I think both of you forgot to read the rules: every move, including the last one... :)
$endgroup$
– Arnaud Mortier
11 mins ago
$begingroup$
Weeeelll, I'm late to the party again @ArnaudMortier
$endgroup$
– Brandon_J
2 mins ago
$begingroup$
@Brandon_J I hope you had fun anyway :)
$endgroup$
– Arnaud Mortier
55 secs ago
$begingroup$
I did. Thanks for the puzzle!
$endgroup$
– Brandon_J
18 secs ago
add a comment |
$begingroup$
Here's
8 moves
lichess study
1. a4 a5 2. b4 b5 3. axb5 axb4 4. Nc3 Nc6 5. b6 b3 6. b7 b2 7. b8=R b1-R 8. Rxb1 Rxb8
$endgroup$
Here's
8 moves
lichess study
1. a4 a5 2. b4 b5 3. axb5 axb4 4. Nc3 Nc6 5. b6 b3 6. b7 b2 7. b8=R b1-R 8. Rxb1 Rxb8
edited 2 mins ago
answered 13 mins ago
Brandon_JBrandon_J
3,538244
3,538244
$begingroup$
Think I just sniped you, friend!
$endgroup$
– El-Guest
13 mins ago
$begingroup$
I think both of you forgot to read the rules: every move, including the last one... :)
$endgroup$
– Arnaud Mortier
11 mins ago
$begingroup$
Weeeelll, I'm late to the party again @ArnaudMortier
$endgroup$
– Brandon_J
2 mins ago
$begingroup$
@Brandon_J I hope you had fun anyway :)
$endgroup$
– Arnaud Mortier
55 secs ago
$begingroup$
I did. Thanks for the puzzle!
$endgroup$
– Brandon_J
18 secs ago
add a comment |
$begingroup$
Think I just sniped you, friend!
$endgroup$
– El-Guest
13 mins ago
$begingroup$
I think both of you forgot to read the rules: every move, including the last one... :)
$endgroup$
– Arnaud Mortier
11 mins ago
$begingroup$
Weeeelll, I'm late to the party again @ArnaudMortier
$endgroup$
– Brandon_J
2 mins ago
$begingroup$
@Brandon_J I hope you had fun anyway :)
$endgroup$
– Arnaud Mortier
55 secs ago
$begingroup$
I did. Thanks for the puzzle!
$endgroup$
– Brandon_J
18 secs ago
$begingroup$
Think I just sniped you, friend!
$endgroup$
– El-Guest
13 mins ago
$begingroup$
Think I just sniped you, friend!
$endgroup$
– El-Guest
13 mins ago
$begingroup$
I think both of you forgot to read the rules: every move, including the last one... :)
$endgroup$
– Arnaud Mortier
11 mins ago
$begingroup$
I think both of you forgot to read the rules: every move, including the last one... :)
$endgroup$
– Arnaud Mortier
11 mins ago
$begingroup$
Weeeelll, I'm late to the party again @ArnaudMortier
$endgroup$
– Brandon_J
2 mins ago
$begingroup$
Weeeelll, I'm late to the party again @ArnaudMortier
$endgroup$
– Brandon_J
2 mins ago
$begingroup$
@Brandon_J I hope you had fun anyway :)
$endgroup$
– Arnaud Mortier
55 secs ago
$begingroup$
@Brandon_J I hope you had fun anyway :)
$endgroup$
– Arnaud Mortier
55 secs ago
$begingroup$
I did. Thanks for the puzzle!
$endgroup$
– Brandon_J
18 secs ago
$begingroup$
I did. Thanks for the puzzle!
$endgroup$
– Brandon_J
18 secs ago
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$begingroup$
Does it need to be symmetrical up to the rook capture or after the rook capture?
$endgroup$
– Brandon_J
18 mins ago
$begingroup$
@Brandon_J every move, including the last one...
$endgroup$
– Arnaud Mortier
11 mins ago