/sci/ - Science & Math » Thread #11352650

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chess puzzle

Anonymous Sat 01 Feb 22:02:31 2020 No.11352650 View Reply Original Report

Quoted By: >>11352752 >>11352753 >>11352796 >>11352803 >>11352934 >>11352996 >>11353052 >>11353079 >>11353106 >>11353211

this is the last puzzle i solved that made me pass 3k rating :)
can /sci/ also find the best moves?

Anonymous

Anonymous Sat 01 Feb 2020 22:51:34 No.11352752 Report

Quoted By: >>11352758 >>11352769

>>11352650
1. Ne4

Anonymous

Anonymous Sat 01 Feb 2020 22:52:20 No.11352753 Report

Quoted By: >>11352862

>>11352650
can't bother to find the correct exact moves but plan is to shoo away white queen from first rows with rooks since g1,f1 are controlled by bishops, this should force some unfavorable trade or mate

Anonymous

Anonymous Sat 01 Feb 2020 22:53:36 No.11352758 Report

Quoted By:

>>11352752
or this, thats why I am 1800

Anonymous

Anonymous Sat 01 Feb 2020 22:57:07 No.11352769 Report

Quoted By: >>11352807 >>11352862

>>11352752
nvm Qe4

Anonymous

Anonymous Sat 01 Feb 2020 23:06:41 No.11352796 Report

Quoted By:

>>11352650
I finally won 2 games today playing on this site. Guess i'll have to sign up. I've always been bad at chess. Mostly because i failed to pursue putting the king in checkmate, instead wanting to take the other players pieces and reacting to thier moves. But i've always liked chess. I've noticed a few strategies the last couple of days i've never noticed before.

Anonymous

Anonymous Sat 01 Feb 2020 23:09:19 No.11352803 Report

Quoted By: >>11352862

>>11352650
it doesn't look black to move and force mate/win or I miss some 10 move forcing tactic

Anonymous

Anonymous Sat 01 Feb 2020 23:11:30 No.11352807 Report

Quoted By: >>11352825 >>11352862

>>11352769
if Rxb6 either rook to e8, if rook blocks you are up. If after Rxb6 Bd2 Ng4. f pawn cant take so queen or bishop e1. If Qe1 Nf2 wins, not sure about bishop but Be3 looks good

Anonymous

Anonymous Sat 01 Feb 2020 23:18:36 No.11352825 Report

Quoted By: >>11352862 >>11352866

>>11352807
If Nxb6 attacked rook to e1 Bd2 Ng4 Be1 Qh5 so if fxg4 bxg4 wins queen, if queen moves Bf3 Kg1 Qg4 wins bishop and e rook prevents king escaping

op Sat 01 Feb 2020 23:33:44 No.11352862 Report

Quoted By: >>11352870

>>11352753
yes, that's a good idea. but right now black's queen and bishop are under attack. so a strategy is in order.
>>11352769
you mean Qe5?
>>11352803
it is black to move.
>>11352807
>>11352825
i assume you meant ..Qe5. and i believe you solved most of the continuing possibilities, but it is too hard to follow/understand your notations, since most of them are illegal.
> if queen moves Bf3
how does bishop go to Bf3?

Anonymous

Anonymous Sat 01 Feb 2020 23:34:53 No.11352866 Report

Quoted By: >>11352894

>>11352825
>nx, fx, bx
Please explain.

Anonymous

Anonymous Sat 01 Feb 2020 23:35:56 No.11352870 Report

Quoted By: >>11352874

>>11352862
Who are we trying to get to win here. Black right?

op Sat 01 Feb 2020 23:37:21 No.11352874 Report

Quoted By:

>>11352870
yeah, find best move for black

Anonymous

Anonymous Sat 01 Feb 2020 23:45:08 No.11352894 Report

Quoted By: >>11352923

>>11352866
Nx>Knight takes fx/bx> f or b pawn takes

Anonymous

Anonymous Sat 01 Feb 2020 23:51:30 No.11352923 Report

Quoted By: >>11352950

>>11352894
I don't understand at all.

Anonymous

Anonymous Sat 01 Feb 2020 23:54:35 No.11352934 Report

Quoted By: >>11353035

>>11352650
Q to e4, R to e1, Q to e8, white queen takes. R to e8.

Anonymous

Anonymous Sun 02 Feb 2020 00:00:16 No.11352950 Report

Quoted By:

>>11352923
Its chess notation, how games are written. Gooogle it if you want

Anonymous

Anonymous Sun 02 Feb 2020 00:20:34 No.11352996 Report

Quoted By:

>>11352650
white or black? if white, do I have to stick with the rook move?

Anonymous

Anonymous Sun 02 Feb 2020 00:33:21 No.11353035 Report

Quoted By:

>>11352934
White just need to move bishop for sucsessful defence

Anonymous

Anonymous Sun 02 Feb 2020 00:40:40 No.11353052 Report

Quoted By:

>>11352650
The bishop's gone. Qe5

Anonymous

Anonymous Sun 02 Feb 2020 00:54:26 No.11353079 Report

Quoted By:

>>11352650
It's black queen to e5 (with the intent to move to g5) I think the notation is 1. ...Qe5
If white rook responds by take bishop then:
2. ...Qg2 is checkmate.
If white queen comes Qg1 to defend, capture with black bishop. If white king captures back (3. KxBg1), push Queen to e1, mate because the black light-square bishop prevents white king to flee to h2

Anonymous

Anonymous Sun 02 Feb 2020 00:54:36 No.11353080 Report

Quoted By: >>11353086 >>11354373

1. Qe5
2. Bxf4 (adding the a1 rook to the defense of the e1 square)
3. Rc3 to protect the pawn - if the f3 pawn isn't protected, then Qxf3+ Kg1 Qg2#
4. Ne4
5. Fxe4, Ne4 was threatening Nf2 to pick up the queen, so it had to be captured
6. Qxe4+
7. Qf3
8. Qe1+
9. Qf1, the rook can't capture the queen because of Rxe1 followed by Qf1 and Rxf1#
10. Bxf1
11. Rxe1
12. Rxe1
13. h4, to prevent Bh3#

Couldn't bother to calculate the rest, but bringing the other rook in would surely end up in a mate

Anonymous

Anonymous Sun 02 Feb 2020 00:58:05 No.11353086 Report

Quoted By:

>>11353080
I never understood why people think calling this many moves ahead doesn't betray their stupidity.

Anonymous

Anonymous Sun 02 Feb 2020 01:12:34 No.11353106 Report

Quoted By: >>11353126 >>11353144

Queen takes rook
>>11352650

Anonymous

Anonymous Sun 02 Feb 2020 01:22:06 No.11353126 Report

Quoted By: >>11353325

>>11353106
And you'll end up mated in few moves

Anonymous

Anonymous Sun 02 Feb 2020 01:30:18 No.11353144 Report

Quoted By:

>>11353106
Pawn takes queen.

Anonymous

Anonymous Sun 02 Feb 2020 02:05:39 No.11353211 Report

Quoted By: >>11353219

>>11352650
This us unfair, in the puzzle game you dint gave to think so far ahead the engine will tell you that move is correct after each one. We have to think through all various moves and far ahead which is far more difficult and I'm sure you didn't do

Anonymous

Anonymous Sun 02 Feb 2020 02:08:03 No.11353219 Report

Quoted By: >>11353286

>>11353211
i see

Anonymous

Anonymous Sun 02 Feb 2020 02:38:18 No.11353286 Report

Quoted By:

>>11353219
I sorta agree but i think it's a good thought exercise i hope you post the result later i've given up doing other things.

Anonymous

Anonymous Sun 02 Feb 2020 02:53:46 No.11353325 Report

Quoted By:

>>11353126
how? pawn takes queen, rook e1 and from there it's pretty easy

Anonymous

Anonymous Sun 02 Feb 2020 15:41:25 No.11354365 Report

Quoted By:

No answer op?

Anonymous

Anonymous Sun 02 Feb 2020 15:50:42 No.11354373 Report

Quoted By:

>>11353080
What prevents 2. Nxb6?

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