#252 djllap vs topazg

topazg · Post by **topazg** » Sat Mar 26, 2016 10:58 am

Click Here To Show Diagram Code: [go]$$Bcm141 $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , X X X X . X . X . | $$ | X O O . . . . . . . X O O O X . . X O | $$ | . X X O . O . . . . X O . O 2 X X O . | $$ | . . O . . . . . . . O X O O 3 O O . . | $$ | . . . . . . . . . . O X X X C 1 . O . | $$ | . . . O . . . . . . O X . X C X O . . | $$ | . . . , . . . . . , X O X . X , . X . | $$ | . . . O X . O . . O O O X X X X X . . | $$ | . . X X O O . . . . X X X O X O . . . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

DJLLAP · Post by **DJLLAP** » Sat Mar 26, 2016 11:06 am

Click Here To Show Diagram Code: [go]$$Bcm141 $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , X X X X . X . X . | $$ | X O O . . . . . . . X O O O X . . X O | $$ | . X X O . O . . . . X O . O O X X O . | $$ | . . O . . . . . . . O X O O C O O . . | $$ | . . . . . . . . . . O X X X 4 X . O . | $$ | . . . O . . . . . . O X . X . X O . . | $$ | . . . , . . . . . , X O X . X , . X . | $$ | . . . O X . O . . O O O X X X X X . . | $$ | . . X X O O . . . . X X X O X O . . . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

topazg · Post by **topazg** » Sat Mar 26, 2016 11:08 am

Click Here To Show Diagram Code: [go]$$Bcm141 $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , X X X X 5 X . X . | $$ | X O O . . . . . . . X O O O X . . X O | $$ | . X X O . O . . . . X O . O O X X O . | $$ | . . O . . . . . . . O X O O C O O . . | $$ | . . . . . . . . . . O X X X 4 X . O . | $$ | . . . O . . . . . . O X . X . X O . . | $$ | . . . , . . . . . , X O X . X , . X . | $$ | . . . O X . O . . O O O X X X X X . . | $$ | . . X X O O . . . . X X X O X O . . . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

Post by **Joaz Banbeck** » Sat Mar 26, 2016 2:14 pm

@observers:

Click Here To Show Diagram Code: [go]$$Wc $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , X X X X X X . X . | $$ | X O O . . . . . . . X O O O X . . X O | $$ | . X X O . O . . . . X O . O O X X O . | $$ | . . O . . . . . . . O X O O . O O . . | $$ | . . . . . . . . . . O X X X O X . O . | $$ | . . . O . . . . . . O X . X . X O 1 2 | $$ | . . . , . . . . . , X O X . X , . X . | $$ | . . . O X . O . . O O O X X X X X . . | $$ | . . X X O O . . . . X X X O X O . . . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

Click Here To Show Diagram Code: [go]$$Wc $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , X X X X X X . X . | $$ | X O O . . . . . . . X O O O X . . X O | $$ | . X X O . O . . . . X O . O O X X O . | $$ | . . O . . . . . . . O X O O . O O . 1 | $$ | . . . . . . . . . . O X X X O X 2 O . | $$ | . . . O . . . . . . O X . X . X O 3 4 | $$ | . . . , . . . . . , X O X . X , . X . | $$ | . . . O X . O . . O O O X X X X X . . | $$ | . . X X O O . . . . X X X O X O . . . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

Click Here To Show Diagram Code: [go]$$Wc $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , X X X X X X . X . | $$ | X O O . . . . . . . X O O O X . . X O | $$ | . X X O . O . . . . X O . O O X X O 1 | $$ | . . O . . . . . . . O X O O . O O 4 . | $$ | . . . . . . . . . . O X X X O X 2 O 3 | $$ | . . . O . . . . . . O X . X . X O . . | $$ | . . . , . . . . . , X O X . X , . X . | $$ | . . . O X . O . . O O O X X X X X . . | $$ | . . X X O O . . . . X X X O X O . . . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

Click Here To Show Diagram Code: [go]$$Wc $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , X X X X X X . X . | $$ | X O O . . . . . . . X O O O X . . X O | $$ | . X X O . O . . . . X O . O O X X O 3 | $$ | . . O . . . . . . . O X O O . O O . 2 | $$ | . . . . . . . . . . O X X X O X 1 O 4 | $$ | . . . O . . . . . . O X . X . X O 6 5 | $$ | . . . , . . . . . , X O X . X , . X . | $$ | . . . O X . O . . O O O X X X X X . . | $$ | . . X X O O . . . . X X X O X O . . . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

Hmmm...this one looks done.

@Topazg:

topazg · Post by **topazg** » Sat Mar 26, 2016 4:07 pm

@Joaz+Obs:

Sorry about this, you did ask :lol:

Basically, when I chose to cut at L14, I had to read it to the end. The cost of playing that move if it didn't work was simply too high to do it without being pretty confident it worked. Having said that, he made two different moves that I hadn't read (that I had to double check didn't affect the status, bit of a scary moment on those .. more details below on those two). There were a couple of headache-inducing deep reads on the way through the full first read out though (more details below also).

Firstly, the bit I thought was completely forced (I felt :b7:

had to be there, due to the extra liberty if he cut at "a" later than if I connected at "a")

Click Here To Show Diagram Code: [go]$$Bcm1 The forced line $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , 7 X X X a X . . . | $$ | X O O . . . . . . . 3 2 O 4 5 . . . . | $$ | . X X O . O . . . . 1 O C 6 . X . . . | $$ | . . O . . . . . . . O X O O . . . . . | $$ | . . . . . . . . . . O X X X 8 . . . . | $$ | . . . O . . . . . . O X C 9 0 . . . . | $$ | . . . , . . . . . , X O X O . , . . . | $$ | . . . O X . O . . O O O X X X X X . . | $$ | . . X X O O . . . . X X X O X O . . . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

Click Here To Show Diagram Code: [go]$$Bcm11 The forced line 2 $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , X X X X . X . . . | $$ | X O O . . . . . . . X O O O X . . . . | $$ | . X X O . O . . . . X O . O . X 3 . . | $$ | . . O . . . . . . . O X O O . 2 4 . . | $$ | . . . . . . . . . . O X X X O . . . . | $$ | . . . O . . . . . . O X . X O . . . . | $$ | . . . , . . . . . , X O X C 1 , . . . | $$ | . . . O X . O . . O O O X X X X X . . | $$ | . . X X O O . . . . X X X O X O . . . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

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Position A
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This was the point where I really started reading, as the final position was easier to visualise and I felt everything up to here was linear. So, the moves I considered to begin with:

Click Here To Show Diagram Code: [go]$$Bcm15 Initial thoughts $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , X X X X . X . . . | $$ | X O O . . . . . . . X O O O X . . . . | $$ | . X X O . O . . . . X O . O . X X a . | $$ | . . O . . . . . . . O X O O . O O . . | $$ | . . . . . . . . . . O X X X O . . . . | $$ | . . . O . . . . . . O X . X O d b c . | $$ | . . . , . . . . . , X O X . X , . . . | $$ | . . . O X . O . . O O O X X X X X . . | $$ | . . X X O O . . . . X X X O X O . . . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

"a" was my original fave, but:

Click Here To Show Diagram Code: [go]$$Bcm15 Initial thoughts $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , X X X X . X . . . | $$ | X O O . . . . . . . X O O O X . . . . | $$ | . X X O . O . . . . X O . O . X X 1 . | $$ | . . O . . . . . . . O X O O . O O 2 . | $$ | . . . . . . . . . . O X X X O . 6 . . | $$ | . . . O . . . . . . O X . X O . 3 4 . | $$ | . . . , . . . . . , X O X . X . . 5 . | $$ | . . . O X . O . . O O O X X X X X . . | $$ | . . X X O O . . . . X X X O X O . . . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

(actually, I realised when writing this up that :b19:

@

kills just fine I think, and :b17:

@

looks like it works too, but I'd missed it at the time)

"b" looks like shape, but failed immediately as far as I could see:

Click Here To Show Diagram Code: [go]$$Bcm15 Shape leaves miai $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , X X X X . X . . . | $$ | X O O . . . . . . . X O O O X . . . . | $$ | . X X O . O . . . . X O . O . X X . . | $$ | . . O . . . . . . . O X O O . O O . . | $$ | . . . . . . . . . . O X X X O . 2 . 6 | $$ | . . . O . . . . . . O X . X O 3 1 4 . | $$ | . . . , . . . . . , X O X . X , . 5 . | $$ | . . . O X . O . . O O O X X X X X . . | $$ | . . X X O O . . . . X X X O X O . . . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

"c" looked like a way to deprive White of one of the key points in the "b" line, but ...

Click Here To Show Diagram Code: [go]$$Bcm15 White can still force $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , X X X X . X . . . | $$ | X O O . . . . . . . X O O O X . . 7 . | $$ | . X X O . O . . . . X O . O . X X 6 . | $$ | . . O . . . . . . . O X O O . O O . 8 | $$ | . . . . . . . . . . O X X X O . 4 2 . | $$ | . . . O . . . . . . O X . X O 5 3 1 . | $$ | . . . , . . . . . , X O X . X , . . . | $$ | . . . O X . O . . O O O X X X X X . . | $$ | . . X X O O . . . . X X X O X O . . . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

Click Here To Show Diagram Code: [go]$$Bcm15 Similar outcome $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , X X X X . X . . . | $$ | X O O . . . . . . . X O O O X . . 7 . | $$ | . X X O . O . . . . X O . O . X X 6 . | $$ | . . O . . . . . . . O X O O . O O . 8 | $$ | . . . . . . . . . . O X X X O . . 2 . | $$ | . . . O . . . . . . O X . X O 3 4 1 . | $$ | . . . , . . . . . , X O X . X , . 5 . | $$ | . . . O X . O . . O O O X X X X X . . | $$ | . . X X O O . . . . X X X O X O . . . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

In each line, Black desperately wanted to play Q11, so I had a look through lines as that (option "d"), and I couldn't find a refutation for Black. So Strange as it looks, that's why I played it in the end! My reading was as follows

Click Here To Show Diagram Code: [go]$$Bcm15 Black plays 17 at another key point $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , X X X X . X . . . | $$ | X O O . . . . . . . X O O O X . . . . | $$ | . X X O . O . . . . X O . O . X X . . | $$ | . . O . . . . . . . O X O O . O O 5 . | $$ | . . . . . . . . . . O X X X O . . 3 . | $$ | . . . O . . . . . . O X . X O 1 2 4 . | $$ | . . . , . . . . . , X O X . X , . . . | $$ | . . . O X . O . . O O O X X X X X . . | $$ | . . X X O O . . . . X X X O X O . . . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

Click Here To Show Diagram Code: [go]$$Bcm15 Either block is the same $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , X X X X . X . . . | $$ | X O O . . . . . . . X O O O X . . . . | $$ | . X X O . O . . . . X O . O . X X . . | $$ | . . O . . . . . . . O X O O . O O 4 . | $$ | . . . . . . . . . . O X X X O . . 3 . | $$ | . . . O . . . . . . O X . X O 1 2 5 . | $$ | . . . , . . . . . , X O X . X , 6 7 . | $$ | . . . O X . O . . O O O X X X X X . . | $$ | . . X X O O . . . . X X X O X O . . . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

Click Here To Show Diagram Code: [go]$$Bcm15 White can't hane or descend $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , X X X X . X . . . | $$ | X O O . . . . . . . X O O O X . . 3 . | $$ | . X X O . O . . . . X O . O . X X 2 . | $$ | . . O . . . . . . . O X O O . O O 4 . | $$ | . . . . . . . . . . O X X X O . . . . | $$ | . . . O . . . . . . O X . X O 1 . 5 . | $$ | . . . , . . . . . , X O X . X , . . . | $$ | . . . O X . O . . O O O X X X X X . . | $$ | . . X X O O . . . . X X X O X O . . . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

Click Here To Show Diagram Code: [go]$$Bcm15 White can't move faster without leaving other key shape points $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , X X X X . X . . . | $$ | X O O . . . . . . . X O O O X . . . . | $$ | . X X O . O . . . . X O . O . X X 5 . | $$ | . . O . . . . . . . O X O O . O O 3 . | $$ | . . . . . . . . . . O X X X O . . 4 . | $$ | . . . O . . . . . . O X . X O 1 9 2 . | $$ | . . . , . . . . . , X O X . X , 8 . . | $$ | . . . O X . O . . O O O X X X X X 6 . | $$ | . . X X O O . . . . X X X O X O . 7 . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

Click Here To Show Diagram Code: [go]$$Bcm15 White can't move faster without leaving other key shape points $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , X X X X . X . . . | $$ | X O O . . . . . . . X O O O X . . . . | $$ | . X X O . O . . . . X O . O . X X . . | $$ | . . O . . . . . . . O X O O . O O 3 . | $$ | . . . . . . . . . . O X X X O . . . . | $$ | . . . O . . . . . . O X . X O 1 4 2 . | $$ | . . . , . . . . . , X O X . X , . . . | $$ | . . . O X . O . . O O O X X X X X 5 . | $$ | . . X X O O . . . . X X X O X O . . . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

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Position B!
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However, I hadn't predicted the hane and hanging connection, figuring the ko would be unfightable, so the first "re-read" I had to do was here:

Click Here To Show Diagram Code: [go]$$Bcm1 Time to reassess! $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , X X X X . X . . . | $$ | X O O . . . . . . . X O O O X . . 3 . | $$ | . X X O . O . . . . X O . O . X X 2 b | $$ | . . O . . . . . . . O X O O . O O . . | $$ | . . . . . . . . . . O X X X O . a 4 . | $$ | . . . O . . . . . . O X . X O 1 . . . | $$ | . . . , . . . . . , X O X . X , . c . | $$ | . . . O X . O . . O O O X X X X X . . | $$ | . . X X O O . . . . X X X O X O . . . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

"a" and "b" feel like the key shape points for depriving White of a second eye, but point "c" gave White such an annoying dodge:

Click Here To Show Diagram Code: [go]$$Bcm5 Time to reassess! $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , X X X X . X . . . | $$ | X O O . . . . . . . X O O O X . . X 3 | $$ | . X X O . O . . . . X O . O . X X O 1 | $$ | . . O . . . . . . . O X O O . O O . 2 | $$ | . . . . . . . . . . O X X X O . . O . | $$ | . . . O . . . . . . O X . X O X . . a | $$ | . . . , . . . . . , X O X . X , . 4 . | $$ | . . . O X . O . . O O O X X X X X . . | $$ | . . X X O O . . . . X X X O X O . . . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

Now preventing White from making an eye at "a" required winning the ko fight, and White has a fairly handy number of local threats. At this point, I can't let any part of White's shape survive, so I was logically drawn to :w8:

in the last diagram

Click Here To Show Diagram Code: [go]$$Bcm5 Time to reassess! $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , X X X X . X . . . | $$ | X O O . . . . . . . X O O O X . . X . | $$ | . X X O . O . . . . X O . O . X X O . | $$ | . . O . . . . . . . O X O O . O O a . | $$ | . . . . . . . . . . O X X X O . b O . | $$ | . . . O . . . . . . O X . X O X . . . | $$ | . . . , . . . . . , X O X . X , . 1 . | $$ | . . . O X . O . . O O O X X X X X . . | $$ | . . X X O O . . . . X X X O X O . . . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

Now the only possible eye points are "a" and "b", so the reading from here was fairly straightforward.

Click Here To Show Diagram Code: [go]$$Wcm6 Shortage of liberties doesn't exist $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , X X X X . X . . . | $$ | X O O . . . . . . . X O O O X . . X . | $$ | . X X O . O . . . . X O . O . X X O . | $$ | . . O . . . . . . . O X O O . O O . 1 | $$ | . . . . . . . . . . O X X X O 2 a O . | $$ | . . . O . . . . . . O X . X O X . . . | $$ | . . . , . . . . . , X O X . X , . X . | $$ | . . . O X . O . . O O O X X X X X . . | $$ | . . X X O O . . . . X X X O X O . . . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

If White plays :w6:

to make an eye on the edge, although "a" fails to a shortage of liberties, :b7:

is forcing, after which Black can play "a" and White dies.

Click Here To Show Diagram Code: [go]$$Wcm6 Shortage of liberties doesn't exist $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , X X X X . X . . . | $$ | X O O . . . . . . . X O O O X . . X . | $$ | . X X O . O . . . . X O . O . X X O . | $$ | . . O . . . . . . . O X O O 3 O O . . | $$ | . . . . . . . . . . O X X X O 2 . O . | $$ | . . . O . . . . . . O X . X O X 1 . 4 | $$ | . . . , . . . . . , X O X . X , . X . | $$ | . . . O X . O . . O O O X X X X X . . | $$ | . . X X O O . . . . X X X O X O . . . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

If White plays :w6:

to make sure Black can't play "a" in the previous diagram because of the shortage of liberties, Black can still force and then take away the eye directly. No amount of thrashing around seems to change the result:

Click Here To Show Diagram Code: [go]$$Wcm10 Thrashing around doesn't help $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , X X X X . X . . . | $$ | X O O . . . . . . . X O O O X . . X . | $$ | . X X O . O . . . . X O . O . X X O . | $$ | . . O . . . . . . . O X O O O O O . . | $$ | . . . . . . . . . . O X X X O X 3 O 4 | $$ | . . . O . . . . . . O X . X O X O 1 X | $$ | . . . , . . . . . , X O X . X 2 . X . | $$ | . . . O X . O . . O O O X X X X X . . | $$ | . . X X O O . . . . X X X O X O . . . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

Click Here To Show Diagram Code: [go]$$Wcm10 Thrashing around doesn't help 2 $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , X X X X . X . . . | $$ | X O O . . . . . . . X O O O X . . X . | $$ | . X X O . O . . . . X O . O . X X O 4 | $$ | . . O . . . . . . . O X O O O O O . . | $$ | . . . . . . . . . . O X X X O X . O 3 | $$ | . . . O . . . . . . O X . X O X O 1 C | $$ | . . . , . . . . . , X O X . X 2 . X 5 | $$ | . . . O X . O . . O O O X X X X X . 6 | $$ | . . X X O O . . . . X X X O X O . . . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

Click Here To Show Diagram Code: [go]$$Wcm10 Thrashing around doesn't help 3 $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , X X X X . X . . . | $$ | X O O . . . . . . . X O O O X . . X . | $$ | . X X O . O . . . . X O . O . X X O . | $$ | . . O . . . . . . . O X O O O O O . 5 | $$ | . . . . . . . . . . O X X X O X 6 O . | $$ | . . . O . . . . . . O X . X O X O 1 X | $$ | . . . , . . . . . , X O X . X 2 3 X . | $$ | . . . O X . O . . O O O X X X X X 4 . | $$ | . . X X O O . . . . X X X O X O . . . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

So far all according to plan, albeit with a slight roadbump, but then White didn't connect my "forcing" move, and I had to double check again!

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Position C
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Click Here To Show Diagram Code: [go]$$Bcm1 Time to reassess! $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , X X X X a X . . . | $$ | X O O . . . . . . . X O O O X . . X . | $$ | . X X O . O . . . . X O . O 4 X X O . | $$ | . . O . . . . . . . O X O O . O O . . | $$ | . . . . . . . . . . O X X X O 3 c O . | $$ | . . . O . . . . . . O X . X O X 2 . . | $$ | . . . , . . . . . , X O X . X b . 1 . | $$ | . . . O X . O . . O O O X X X X X . . | $$ | . . X X O O . . . . X X X O X O . . . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

Now I had to think about whether the fact "a" was suddenly going to change things. Fortunately, having to connect at "b" was no longer in issue if Black captures first, which means I get the extra tempo required to connect at "a" and still take away the eyespace at "c" anyway, reverting to the previous lines:

Click Here To Show Diagram Code: [go]$$Bcm5 move 1 at the circled point $$ +---------------------------------------+ $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . O . . O . . . | $$ | . X X X . X . . . . O O X O O . X . . | $$ | . X O O O X . . . , X X X X 3 X . . . | $$ | X O O . . . . . . . X O O O X . . X . | $$ | . X X O . O . . . . X O . O O X X O . | $$ | . . O . . . . . . . O X O O C O O . 8 | $$ | . . . . . . . . . . O X X X 2 X 9 O . | $$ | . . . O . . . . . . O X . X . X O 4 5 | $$ | . . . , . . . . . , X O X . X . 6 X . | $$ | . . . O X . O . . O O O X X X X X 7 . | $$ | . . X X O O . . . . X X X O X O . . . | $$ | . . O X X O . O O . . . O . O . . . . | $$ | . . O . . . X O . O . . . . . . . . . | $$ | . . O X X X O . . O . O . . . O . . . | $$ | . . . O X . O O O X O . . . . , X . . | $$ | . . O . . X . O X X O X . . . X . . . | $$ | . . . O . . X O X . X X . . . . . . . | $$ | . . . . . . . X . X . . . . . . . . . | $$ +---------------------------------------+[/go]

So from here I think White should be dead.

Did I read it to the end back at L14? Yes. Did I read it completely so that I couldn't have messed up? No, I had to deal with two curve balls that I hadn't looked at, and was kind of lucky that neither of them changed anything really!

DJLLAP · Post by **DJLLAP** » Mon Mar 28, 2016 1:33 pm

It looks like i neglected a vital branch of reading, so I have to resign here.

Thanks for the game Topazg. It was fun to actually finish a Malkovich game.

topazg · Post by **topazg** » Mon Mar 28, 2016 2:19 pm

Many thanks to you too, it was fun

Life In 19x19

#252 djllap vs topazg

Re: #252 djllap vs topazg

Re: #252 djllap vs topazg

Re: #252 djllap vs topazg

Re: #252 djllap vs topazg

Re: #252 djllap vs topazg

Re: #252 djllap vs topazg

Re: #252 djllap vs topazg