Mixing
Not Your Regular Chess Challenge
Clash Royale CLAN TAG#URR8PPP
up vote
1
down vote
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Imagine that you have a normal 8x8 chessboard and you have an unlimited amount of all kinds of chess pieces. Find the greatest and lowest number of pieces you can have in that chessboard without those pieces being able to attack each other if :
You have to pick exactly 3 different kinds of chess pieces
You have to pick exactly 4 different kinds of chess pieces
You have to pick exactly 5 different kinds of chess pieces
To clarify :
What kind of chess pieces you pick is entirely up to you.
logical-deduction chess
asked Aug 14 at 3:27
Kevin L
1,12126
 |Â
show 5 more comments
up vote
1
down vote
favorite
Imagine that you have a normal 8x8 chessboard and you have an unlimited amount of all kinds of chess pieces. Find the greatest and lowest number of pieces you can have in that chessboard without those pieces being able to attack each other if :
You have to pick exactly 3 different kinds of chess pieces
You have to pick exactly 4 different kinds of chess pieces
You have to pick exactly 5 different kinds of chess pieces
To clarify :
What kind of chess pieces you pick is entirely up to you.
logical-deduction chess
asked Aug 14 at 3:27
Kevin L
1,12126
1
Just as a comment -- not to take anything away from @sedrick's answer -- but it might be best if you either didn't accept an answer yet or write in the title that part of it is still unsolved. I know that I personally tend not to look at "solved" puzzles with an accepted answer (unless they look interesting, like this one), so you might get more viewer traffic if this puzzle doesn't appear to be solved. Just my two cents, though! :)
– El-Guest
Aug 14 at 12:47
Hmm, I guess you're right. Thx for the suggestion :) @El-Guest
– Kevin L
Aug 14 at 13:09
A couple of questions: 1: are all pieces the same colour, or can I use pawns going both ways? 2: pieces of the same colour can attack each other, right? 3: Is there some sort of extra information that makes the "lowest number" question more sensible?
– Bass
Aug 15 at 7:29
Answer : 1 and 2. All pieces will try to eat each other so place them so that they cannot reach each other. Colour does not matter. 3. Oh yeah. I forgot, place them so that they cannot attack each other. Gonna edit that :) @Bass
– Kevin L
Aug 15 at 10:33
Continuing 1: Still unclear. Is this correct: different coloured pawns are ok, but they count as the same kind? This is important, because a white pawn cannot be on rank 8, but a black pawn can. Also, different coloured pawns attack in opposite directions. 3: that still doesn't make any sense. Putting exactly 3 different chess pieces on the board so that they don't attack each other isn't exactly a challenge.
– Bass
Aug 15 at 12:57
 |Â
show 5 more comments
up vote
1
down vote
favorite
up vote
1
down vote
favorite
Imagine that you have a normal 8x8 chessboard and you have an unlimited amount of all kinds of chess pieces. Find the greatest and lowest number of pieces you can have in that chessboard without those pieces being able to attack each other if :
You have to pick exactly 3 different kinds of chess pieces
You have to pick exactly 4 different kinds of chess pieces
You have to pick exactly 5 different kinds of chess pieces
To clarify :
What kind of chess pieces you pick is entirely up to you.
logical-deduction chess
asked Aug 14 at 3:27
Kevin L
1,12126
Imagine that you have a normal 8x8 chessboard and you have an unlimited amount of all kinds of chess pieces. Find the greatest and lowest number of pieces you can have in that chessboard without those pieces being able to attack each other if :
You have to pick exactly 3 different kinds of chess pieces
You have to pick exactly 4 different kinds of chess pieces
You have to pick exactly 5 different kinds of chess pieces
To clarify :
What kind of chess pieces you pick is entirely up to you.
logical-deduction chess
asked Aug 14 at 3:27
Kevin L
1,12126
edited Aug 16 at 2:04
asked Aug 14 at 3:27
Kevin L
1,12126
asked Aug 14 at 3:27
Kevin L
1,12126
asked Aug 14 at 3:27
Kevin L
1,12126
1,12126
1
Just as a comment -- not to take anything away from @sedrick's answer -- but it might be best if you either didn't accept an answer yet or write in the title that part of it is still unsolved. I know that I personally tend not to look at "solved" puzzles with an accepted answer (unless they look interesting, like this one), so you might get more viewer traffic if this puzzle doesn't appear to be solved. Just my two cents, though! :)
– El-Guest
Aug 14 at 12:47
Hmm, I guess you're right. Thx for the suggestion :) @El-Guest
– Kevin L
Aug 14 at 13:09
A couple of questions: 1: are all pieces the same colour, or can I use pawns going both ways? 2: pieces of the same colour can attack each other, right? 3: Is there some sort of extra information that makes the "lowest number" question more sensible?
– Bass
Aug 15 at 7:29
Answer : 1 and 2. All pieces will try to eat each other so place them so that they cannot reach each other. Colour does not matter. 3. Oh yeah. I forgot, place them so that they cannot attack each other. Gonna edit that :) @Bass
– Kevin L
Aug 15 at 10:33
Continuing 1: Still unclear. Is this correct: different coloured pawns are ok, but they count as the same kind? This is important, because a white pawn cannot be on rank 8, but a black pawn can. Also, different coloured pawns attack in opposite directions. 3: that still doesn't make any sense. Putting exactly 3 different chess pieces on the board so that they don't attack each other isn't exactly a challenge.
– Bass
Aug 15 at 12:57
 |Â
show 5 more comments
1
Just as a comment -- not to take anything away from @sedrick's answer -- but it might be best if you either didn't accept an answer yet or write in the title that part of it is still unsolved. I know that I personally tend not to look at "solved" puzzles with an accepted answer (unless they look interesting, like this one), so you might get more viewer traffic if this puzzle doesn't appear to be solved. Just my two cents, though! :)
– El-Guest
Aug 14 at 12:47
Hmm, I guess you're right. Thx for the suggestion :) @El-Guest
– Kevin L
Aug 14 at 13:09
A couple of questions: 1: are all pieces the same colour, or can I use pawns going both ways? 2: pieces of the same colour can attack each other, right? 3: Is there some sort of extra information that makes the "lowest number" question more sensible?
– Bass
Aug 15 at 7:29
Answer : 1 and 2. All pieces will try to eat each other so place them so that they cannot reach each other. Colour does not matter. 3. Oh yeah. I forgot, place them so that they cannot attack each other. Gonna edit that :) @Bass
– Kevin L
Aug 15 at 10:33
Continuing 1: Still unclear. Is this correct: different coloured pawns are ok, but they count as the same kind? This is important, because a white pawn cannot be on rank 8, but a black pawn can. Also, different coloured pawns attack in opposite directions. 3: that still doesn't make any sense. Putting exactly 3 different chess pieces on the board so that they don't attack each other isn't exactly a challenge.
– Bass
Aug 15 at 12:57
1
1
Just as a comment -- not to take anything away from @sedrick's answer -- but it might be best if you either didn't accept an answer yet or write in the title that part of it is still unsolved. I know that I personally tend not to look at "solved" puzzles with an accepted answer (unless they look interesting, like this one), so you might get more viewer traffic if this puzzle doesn't appear to be solved. Just my two cents, though! :)
– El-Guest
Aug 14 at 12:47
Just as a comment -- not to take anything away from @sedrick's answer -- but it might be best if you either didn't accept an answer yet or write in the title that part of it is still unsolved. I know that I personally tend not to look at "solved" puzzles with an accepted answer (unless they look interesting, like this one), so you might get more viewer traffic if this puzzle doesn't appear to be solved. Just my two cents, though! :)
– El-Guest
Aug 14 at 12:47
Hmm, I guess you're right. Thx for the suggestion :) @El-Guest
– Kevin L
Aug 14 at 13:09
Hmm, I guess you're right. Thx for the suggestion :) @El-Guest
– Kevin L
Aug 14 at 13:09
A couple of questions: 1: are all pieces the same colour, or can I use pawns going both ways? 2: pieces of the same colour can attack each other, right? 3: Is there some sort of extra information that makes the "lowest number" question more sensible?
– Bass
Aug 15 at 7:29
A couple of questions: 1: are all pieces the same colour, or can I use pawns going both ways? 2: pieces of the same colour can attack each other, right? 3: Is there some sort of extra information that makes the "lowest number" question more sensible?
– Bass
Aug 15 at 7:29
Answer : 1 and 2. All pieces will try to eat each other so place them so that they cannot reach each other. Colour does not matter. 3. Oh yeah. I forgot, place them so that they cannot attack each other. Gonna edit that :) @Bass
– Kevin L
Aug 15 at 10:33
Answer : 1 and 2. All pieces will try to eat each other so place them so that they cannot reach each other. Colour does not matter. 3. Oh yeah. I forgot, place them so that they cannot attack each other. Gonna edit that :) @Bass
– Kevin L
Aug 15 at 10:33
Continuing 1: Still unclear. Is this correct: different coloured pawns are ok, but they count as the same kind? This is important, because a white pawn cannot be on rank 8, but a black pawn can. Also, different coloured pawns attack in opposite directions. 3: that still doesn't make any sense. Putting exactly 3 different chess pieces on the board so that they don't attack each other isn't exactly a challenge.
– Bass
Aug 15 at 12:57
Continuing 1: Still unclear. Is this correct: different coloured pawns are ok, but they count as the same kind? This is important, because a white pawn cannot be on rank 8, but a black pawn can. Also, different coloured pawns attack in opposite directions. 3: that still doesn't make any sense. Putting exactly 3 different chess pieces on the board so that they don't attack each other isn't exactly a challenge.
– Bass
Aug 15 at 12:57
 |Â
show 5 more comments
3 Answers
3
active
oldest
votes
up vote
6
down vote
My initial thoughts for maximum:
3 types
31
Pawns on rows 1,3,5,8. Replace B8 with knight and H8 with king. Remove G8 pawn.
4 types
29
Same as above then replace D8 with bishop and remove the 2 pawns it attacks (A5 and G5)
5 types
27
Same as above then put rook on A7 and remove pawns on A1, A3, A8.
answered Aug 14 at 6:21
sedrick
1,641514
Gotta take back that check mark @sedrick
– Kevin L
Aug 14 at 13:09
As a token of apology, please have my upvote though! +1
– El-Guest
Aug 14 at 13:10
Yup no problem. I get where you're coming from too
– sedrick
Aug 14 at 14:23
+1 from me too :)) @sedrick
– Kevin L
Aug 15 at 1:51
add a comment |Â
up vote
5
down vote
Here are the lowest that I have found by using Queen minimum;
with 3 lowest (6 pieces):
with 4 lowest (7 pieces):
with 5 lowest (8 pieces):
Here is the highest amount of pieces that you can put:
with 3 lowest (32 pieces)
with 4 lowest (31 pieces)
with 5 highest (27 pieces)
answered Aug 15 at 12:10
Oray
14k435139
If I understand the rules correctly, if you can move one of the pieces to a position where it isn't attacked, then you have not solved the puzzle. In the low, 3 piece, the queen on G8 could move to E8 without being attacked. If OP did not mean this, the rules should likely be adjusted to remove "unable to move anywhere without being eaten".
– Joel Rondeau
Aug 15 at 19:57
@JoelRondeau puzzle has been changed after a day so I lost interest solving it :)
– Oray
Aug 15 at 19:59
add a comment |Â
up vote
3
down vote
Since you ask for "greatest and lowest", here's the lowest:
1. knight a1, pawn b2, rook c3
2. the above plus king h8
3. the above plus bishop h2
answered Aug 14 at 5:42
jafe
4,8541264
I interpreted the lowest as that I cannot add another piece of the same type on board anywhere
– kushj
Aug 14 at 6:09
yes that is what I meant
– Kevin L
Aug 14 at 6:30
Makes sense. I knew there had to be something I was missing.
– jafe
Aug 14 at 7:29
add a comment |Â
3 Answers
3
active
oldest
votes
3 Answers
3
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
6
down vote
My initial thoughts for maximum:
3 types
31
Pawns on rows 1,3,5,8. Replace B8 with knight and H8 with king. Remove G8 pawn.
4 types
29
Same as above then replace D8 with bishop and remove the 2 pawns it attacks (A5 and G5)
5 types
27
Same as above then put rook on A7 and remove pawns on A1, A3, A8.
answered Aug 14 at 6:21
sedrick
1,641514
Gotta take back that check mark @sedrick
– Kevin L
Aug 14 at 13:09
As a token of apology, please have my upvote though! +1
– El-Guest
Aug 14 at 13:10
Yup no problem. I get where you're coming from too
– sedrick
Aug 14 at 14:23
+1 from me too :)) @sedrick
– Kevin L
Aug 15 at 1:51
add a comment |Â
up vote
6
down vote
My initial thoughts for maximum:
3 types
31
Pawns on rows 1,3,5,8. Replace B8 with knight and H8 with king. Remove G8 pawn.
4 types
29
Same as above then replace D8 with bishop and remove the 2 pawns it attacks (A5 and G5)
5 types
27
Same as above then put rook on A7 and remove pawns on A1, A3, A8.
answered Aug 14 at 6:21
sedrick
1,641514
Gotta take back that check mark @sedrick
– Kevin L
Aug 14 at 13:09
As a token of apology, please have my upvote though! +1
– El-Guest
Aug 14 at 13:10
Yup no problem. I get where you're coming from too
– sedrick
Aug 14 at 14:23
+1 from me too :)) @sedrick
– Kevin L
Aug 15 at 1:51
add a comment |Â
up vote
6
down vote
up vote
6
down vote
My initial thoughts for maximum:
3 types
31
Pawns on rows 1,3,5,8. Replace B8 with knight and H8 with king. Remove G8 pawn.
4 types
29
Same as above then replace D8 with bishop and remove the 2 pawns it attacks (A5 and G5)
5 types
27
Same as above then put rook on A7 and remove pawns on A1, A3, A8.
answered Aug 14 at 6:21
sedrick
1,641514
My initial thoughts for maximum:
3 types
31
Pawns on rows 1,3,5,8. Replace B8 with knight and H8 with king. Remove G8 pawn.
4 types
29
Same as above then replace D8 with bishop and remove the 2 pawns it attacks (A5 and G5)
5 types
27
Same as above then put rook on A7 and remove pawns on A1, A3, A8.
answered Aug 14 at 6:21
sedrick
1,641514
answered Aug 14 at 6:21
sedrick
1,641514
answered Aug 14 at 6:21
sedrick
1,641514
answered Aug 14 at 6:21
sedrick
1,641514
1,641514
Gotta take back that check mark @sedrick
– Kevin L
Aug 14 at 13:09
As a token of apology, please have my upvote though! +1
– El-Guest
Aug 14 at 13:10
Yup no problem. I get where you're coming from too
– sedrick
Aug 14 at 14:23
+1 from me too :)) @sedrick
– Kevin L
Aug 15 at 1:51
add a comment |Â
Gotta take back that check mark @sedrick
– Kevin L
Aug 14 at 13:09
As a token of apology, please have my upvote though! +1
– El-Guest
Aug 14 at 13:10
Yup no problem. I get where you're coming from too
– sedrick
Aug 14 at 14:23
+1 from me too :)) @sedrick
– Kevin L
Aug 15 at 1:51
Gotta take back that check mark @sedrick
– Kevin L
Aug 14 at 13:09
Gotta take back that check mark @sedrick
– Kevin L
Aug 14 at 13:09
As a token of apology, please have my upvote though! +1
– El-Guest
Aug 14 at 13:10
As a token of apology, please have my upvote though! +1
– El-Guest
Aug 14 at 13:10
Yup no problem. I get where you're coming from too
– sedrick
Aug 14 at 14:23
Yup no problem. I get where you're coming from too
– sedrick
Aug 14 at 14:23
+1 from me too :)) @sedrick
– Kevin L
Aug 15 at 1:51
+1 from me too :)) @sedrick
– Kevin L
Aug 15 at 1:51
add a comment |Â
up vote
5
down vote
Here are the lowest that I have found by using Queen minimum;
with 3 lowest (6 pieces):
with 4 lowest (7 pieces):
with 5 lowest (8 pieces):
Here is the highest amount of pieces that you can put:
with 3 lowest (32 pieces)
with 4 lowest (31 pieces)
with 5 highest (27 pieces)
answered Aug 15 at 12:10
Oray
14k435139
If I understand the rules correctly, if you can move one of the pieces to a position where it isn't attacked, then you have not solved the puzzle. In the low, 3 piece, the queen on G8 could move to E8 without being attacked. If OP did not mean this, the rules should likely be adjusted to remove "unable to move anywhere without being eaten".
– Joel Rondeau
Aug 15 at 19:57
@JoelRondeau puzzle has been changed after a day so I lost interest solving it :)
– Oray
Aug 15 at 19:59
add a comment |Â
up vote
5
down vote
Here are the lowest that I have found by using Queen minimum;
with 3 lowest (6 pieces):
with 4 lowest (7 pieces):
with 5 lowest (8 pieces):
Here is the highest amount of pieces that you can put:
with 3 lowest (32 pieces)
with 4 lowest (31 pieces)
with 5 highest (27 pieces)
answered Aug 15 at 12:10
Oray
14k435139
If I understand the rules correctly, if you can move one of the pieces to a position where it isn't attacked, then you have not solved the puzzle. In the low, 3 piece, the queen on G8 could move to E8 without being attacked. If OP did not mean this, the rules should likely be adjusted to remove "unable to move anywhere without being eaten".
– Joel Rondeau
Aug 15 at 19:57
@JoelRondeau puzzle has been changed after a day so I lost interest solving it :)
– Oray
Aug 15 at 19:59
add a comment |Â
up vote
5
down vote
up vote
5
down vote
Here are the lowest that I have found by using Queen minimum;
with 3 lowest (6 pieces):
with 4 lowest (7 pieces):
with 5 lowest (8 pieces):
Here is the highest amount of pieces that you can put:
with 3 lowest (32 pieces)
with 4 lowest (31 pieces)
with 5 highest (27 pieces)
answered Aug 15 at 12:10
Oray
14k435139
Here are the lowest that I have found by using Queen minimum;
with 3 lowest (6 pieces):
with 4 lowest (7 pieces):
with 5 lowest (8 pieces):
Here is the highest amount of pieces that you can put:
with 3 lowest (32 pieces)
with 4 lowest (31 pieces)
with 5 highest (27 pieces)
answered Aug 15 at 12:10
Oray
14k435139
edited Aug 15 at 13:25
answered Aug 15 at 12:10
Oray
14k435139
answered Aug 15 at 12:10
Oray
14k435139
answered Aug 15 at 12:10
Oray
14k435139
14k435139
If I understand the rules correctly, if you can move one of the pieces to a position where it isn't attacked, then you have not solved the puzzle. In the low, 3 piece, the queen on G8 could move to E8 without being attacked. If OP did not mean this, the rules should likely be adjusted to remove "unable to move anywhere without being eaten".
– Joel Rondeau
Aug 15 at 19:57
@JoelRondeau puzzle has been changed after a day so I lost interest solving it :)
– Oray
Aug 15 at 19:59
add a comment |Â
If I understand the rules correctly, if you can move one of the pieces to a position where it isn't attacked, then you have not solved the puzzle. In the low, 3 piece, the queen on G8 could move to E8 without being attacked. If OP did not mean this, the rules should likely be adjusted to remove "unable to move anywhere without being eaten".
– Joel Rondeau
Aug 15 at 19:57
@JoelRondeau puzzle has been changed after a day so I lost interest solving it :)
– Oray
Aug 15 at 19:59
If I understand the rules correctly, if you can move one of the pieces to a position where it isn't attacked, then you have not solved the puzzle. In the low, 3 piece, the queen on G8 could move to E8 without being attacked. If OP did not mean this, the rules should likely be adjusted to remove "unable to move anywhere without being eaten".
– Joel Rondeau
Aug 15 at 19:57
If I understand the rules correctly, if you can move one of the pieces to a position where it isn't attacked, then you have not solved the puzzle. In the low, 3 piece, the queen on G8 could move to E8 without being attacked. If OP did not mean this, the rules should likely be adjusted to remove "unable to move anywhere without being eaten".
– Joel Rondeau
Aug 15 at 19:57
@JoelRondeau puzzle has been changed after a day so I lost interest solving it :)
– Oray
Aug 15 at 19:59
@JoelRondeau puzzle has been changed after a day so I lost interest solving it :)
– Oray
Aug 15 at 19:59
add a comment |Â
up vote
3
down vote
Since you ask for "greatest and lowest", here's the lowest:
1. knight a1, pawn b2, rook c3
2. the above plus king h8
3. the above plus bishop h2
answered Aug 14 at 5:42
jafe
4,8541264
I interpreted the lowest as that I cannot add another piece of the same type on board anywhere
– kushj
Aug 14 at 6:09
yes that is what I meant
– Kevin L
Aug 14 at 6:30
Makes sense. I knew there had to be something I was missing.
– jafe
Aug 14 at 7:29
add a comment |Â
up vote
3
down vote
Since you ask for "greatest and lowest", here's the lowest:
1. knight a1, pawn b2, rook c3
2. the above plus king h8
3. the above plus bishop h2
answered Aug 14 at 5:42
jafe
4,8541264
I interpreted the lowest as that I cannot add another piece of the same type on board anywhere
– kushj
Aug 14 at 6:09
yes that is what I meant
– Kevin L
Aug 14 at 6:30
Makes sense. I knew there had to be something I was missing.
– jafe
Aug 14 at 7:29
add a comment |Â
up vote
3
down vote
up vote
3
down vote
Since you ask for "greatest and lowest", here's the lowest:
1. knight a1, pawn b2, rook c3
2. the above plus king h8
3. the above plus bishop h2
answered Aug 14 at 5:42
jafe
4,8541264
Since you ask for "greatest and lowest", here's the lowest:
1. knight a1, pawn b2, rook c3
2. the above plus king h8
3. the above plus bishop h2
answered Aug 14 at 5:42
jafe
4,8541264
answered Aug 14 at 5:42
jafe
4,8541264
answered Aug 14 at 5:42
jafe
4,8541264
answered Aug 14 at 5:42
jafe
4,8541264
4,8541264
I interpreted the lowest as that I cannot add another piece of the same type on board anywhere
– kushj
Aug 14 at 6:09
yes that is what I meant
– Kevin L
Aug 14 at 6:30
Makes sense. I knew there had to be something I was missing.
– jafe
Aug 14 at 7:29
add a comment |Â
I interpreted the lowest as that I cannot add another piece of the same type on board anywhere
– kushj
Aug 14 at 6:09
yes that is what I meant
– Kevin L
Aug 14 at 6:30
Makes sense. I knew there had to be something I was missing.
– jafe
Aug 14 at 7:29
I interpreted the lowest as that I cannot add another piece of the same type on board anywhere
– kushj
Aug 14 at 6:09
I interpreted the lowest as that I cannot add another piece of the same type on board anywhere
– kushj
Aug 14 at 6:09
yes that is what I meant
– Kevin L
Aug 14 at 6:30
yes that is what I meant
– Kevin L
Aug 14 at 6:30
Makes sense. I knew there had to be something I was missing.
– jafe
Aug 14 at 7:29
Makes sense. I knew there had to be something I was missing.
– jafe
Aug 14 at 7:29
add a comment |Â
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1
Just as a comment -- not to take anything away from @sedrick's answer -- but it might be best if you either didn't accept an answer yet or write in the title that part of it is still unsolved. I know that I personally tend not to look at "solved" puzzles with an accepted answer (unless they look interesting, like this one), so you might get more viewer traffic if this puzzle doesn't appear to be solved. Just my two cents, though! :)
– El-Guest
Aug 14 at 12:47
Hmm, I guess you're right. Thx for the suggestion :) @El-Guest
– Kevin L
Aug 14 at 13:09
A couple of questions: 1: are all pieces the same colour, or can I use pawns going both ways? 2: pieces of the same colour can attack each other, right? 3: Is there some sort of extra information that makes the "lowest number" question more sensible?
– Bass
Aug 15 at 7:29
Answer : 1 and 2. All pieces will try to eat each other so place them so that they cannot reach each other. Colour does not matter. 3. Oh yeah. I forgot, place them so that they cannot attack each other. Gonna edit that :) @Bass
– Kevin L
Aug 15 at 10:33
Continuing 1: Still unclear. Is this correct: different coloured pawns are ok, but they count as the same kind? This is important, because a white pawn cannot be on rank 8, but a black pawn can. Also, different coloured pawns attack in opposite directions. 3: that still doesn't make any sense. Putting exactly 3 different chess pieces on the board so that they don't attack each other isn't exactly a challenge.
– Bass
Aug 15 at 12:57