Mate in 15
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Oct 30, 2010
0
#1
If you don't look at the puzzle then you'll be scared.
Oct 30, 2010
0
#2
That was silly. I've seen this pattern before though. Solved in 15 seconds.
You can certainly mate one move faster with 2.Rxf8+. You can probably also mate considerably faster with 1.b4 since your material advantage is overwhelming, but I'm not as sure about that.
Oct 30, 2010
0
#4
SirDavid wrote:
You can certainly mate one move faster with 2.Rxf8+. You can probably also mate considerably faster with 1.b4 since your material advantage is overwhelming, but I'm not as sure about that.
either way works
Position illegal, 5 promoted white pieces on the board, only 4 pawns missing
this is in fact Mate in 10: 1. Rxf8+ Rxf8 2. b4!
Commonly there is no reason to go artificial on extreme themes. So much is possible within the scope of legality!
You only need to remeve one of the pawns lets say the one on c2 to make the position legal.
Then it is not difficult. You have to sac all your rooks on h8 and then checkmate with the queeb on h7.
In the last problem you have also the sac all your rooks on h8 and then the Queen on h7 for a stalemate.
I had this theme once in a real game.
RubenHogenhout wrote:
You only need to remove one of the pawns lets say the one on c2 to make the position legal.
Then it is not difficult. You have to sac all your rooks on h8 and then checkmate with the queeb on h7.
In the last problem you have also the sac all your rooks on h8 and then the Queen on h7 for a stalemate. .....
Removing c2 makes the OP-diagram legal but not nearly correct. There are other winning moves like 1. Rxf8+, 1.b4 and 1. b3.
I didn't attempt te repair the OP-problem but to show you can even sacrifice 10 rooks in a similar scheme and still keep it legal and correct. I could have done that in many ways but chose to pick one with an extra queen sacrifice because it is more interesting than one with Qh7#. Studywise, there is no preference of checkmate over stalemate, more likely the opposite!
@Arisktotle Here's a similar one but with White to win instead! The position is legal of course, as the maximum of 10 White rooks is sacrificed!
Source: https://www.yacpdb.org/#476086
Žigman, Matjaž,
Mat, 1988, #20
RewanDemontay wrote:
@Arisktotle Here's a similar one but with White to win instead! The position is illegal of course, as the maximum of 10 White rooks is sacrificed!
Did you mean "it's legal because the maximum of 10 rooks was sacrificed"?
Ah yes! Thanks for catching that. Question fixed.
Feb 1, 2020
0
#17
RewanDemontay escribió:
@Arisktotle Here's a similar one but with White to win instead! The position is legal of course, as the maximum of 10 White rooks is sacrificed!
Source: https://www.yacpdb.org/#476086
Žigman, Matjaž,
Mat, 1988, #20
Wow, very nice composition!