@ white 10?How could I have recognized this?
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speedchase
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Numsgil
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Re: How could I have recognized this?
If it's any consolation, your phone is probably mid to high SDK on 9x9. It was many many months, maybe even a year, of intensive study before I could beat my phone on an even game on a 9x9 board.
If you play online on KGS (or another server) and find other DDKs to play against it won't be quite as frustrating.
As to getting better: it's just drilling go problems over and over and over and over and over and over...
If you play online on KGS (or another server) and find other DDKs to play against it won't be quite as frustrating.
As to getting better: it's just drilling go problems over and over and over and over and over and over...
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jts
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Re: How could I have recognized this?
Xezlec wrote:jts wrote:I'm curious, what resistance did white find that made A fail? (I can see one or two lines that might be tricky for black, but I would play A myself.)
Darn it, I don't remember. I may have just made a silly mistake and then backtracked right away without looking closely enough. I know at least one of the ways I tried it, white played at the point immediately to the right of b. This move made it really hard for me to do anything, because he could connect to the group at the top if I didn't block that. That might not have been the time I started out by playing at a though. Sorry.
Ah, I can see how that might have put you in a pickle. You don't actually need the points in the corner to win, though... Indeed, if you insist on keeping them, I'm not sure if you can win. B6, b8, a5, c9, a3, and you win. Otoh, I think that after a8, b9, c9 (trying to keep the corner), b6, white captures.
Re: How could I have recognized this?
jts wrote:You don't actually need the points in the corner to win, though... Indeed, if you insist on keeping them, I'm not sure if you can win. B6, b8, a5, c9, a3, and you win. Otoh, I think that after a8, b9, c9 (trying to keep the corner), b6, white captures.
Huh. I was able to keep the top-left corner and win with that move at b I mentioned originally. Maybe the phone didn't play optimally (I'm not playing it at its maximum difficulty level). But now that you mention it, that may be more points than I actually needed. I didn't actually count them at the time. Just sort of assumed I didn't have enough, since I usually don't.
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hyperpape
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Re: How could I have recognized this?
is the problem. I don't think b works.
But cheer up. This is a problem for a single digit kyu player. It's not something I'd want to see in a fast game.
This may be the best B can do.
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Uberdude
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Re: How could I have recognized this?
Your move 3 didn't gain any liberties for your in danger group, nor remove any from the white stones you wanted to capture. If you just play as above then the white stones have only 2 liberties, and yours have 3, so you win (though in some situations it's not as simple as this with approach moves). White does sneak into the corner this way so, after reading this sequence, you could try looking for improvements that not only capture white's 4 stones but means you have more points and white fewer. But this is the basic approach of taking liberties to win a capturing race.
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ez4u
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Re: How could I have recognized this?
I think this is a nice little endgame problem.
For everyone:
Assume that White captured two Black stones on the marked square and there is a half point komi for White. What is the result with best play?
(Edit - Actually I see that Uberdude did make a nice explanation of what I wanted to say below. So really all I add are a couple of clarifying diagrams. It's what I get for only reading page 1 of the postings!)
@Xezlec
I think no one has said it precisely so let me make my attempt for your original question from a beginner's POV. Note that when Black plays
below the Black stones have four liberties (points marked with circles) while White has only three (marked X). You win as long as you keep reducing White's liberties as fast as White reduces yours.
below reduces your liberties from four to three. If you play as shown, you reduce White's liberties from three to two and are still winning the race.
When you played as shown below, White continued to have three liberties and meanwhile Black's liberties remained at three (although they changed location). As a result, you failed to reduce White's liberties as fast as White reduced yours - and lost sente. Yes! You performed one of those great mysteries that plague the beginner (and and the rest of us when our opponents are strong enough 
) - you died in gote! Congratulations, your feet are thus firmly planted on the road to Go addiction. The fact that you came here to complain and seek guidance rather than just switching to another game on your phone may mean that you will never be able to escape Go and return to a normal life. Well done I say and indeed, welcome to Life in 19x19! 
For everyone:
Assume that White captured two Black stones on the marked square and there is a half point komi for White. What is the result with best play?
(Edit - Actually I see that Uberdude did make a nice explanation of what I wanted to say below. So really all I add are a couple of clarifying diagrams. It's what I get for only reading page 1 of the postings!)
@Xezlec
I think no one has said it precisely so let me make my attempt for your original question from a beginner's POV. Note that when Black plays
below the Black stones have four liberties (points marked with circles) while White has only three (marked X). You win as long as you keep reducing White's liberties as fast as White reduces yours. below reduces your liberties from four to three. If you play as shown, you reduce White's liberties from three to two and are still winning the race.When you played
as shown below, White continued to have three liberties and meanwhile Black's liberties remained at three (although they changed location). As a result, you failed to reduce White's liberties as fast as White reduced yours - and lost sente. Yes! You performed one of those great mysteries that plague the beginner (and and the rest of us when our opponents are strong enough ) - you died in gote! Congratulations, your feet are thus firmly planted on the road to Go addiction. The fact that you came here to complain and seek guidance rather than just switching to another game on your phone may mean that you will never be able to escape Go and return to a normal life. Well done I say and indeed, welcome to Life in 19x19! Dave Sigaty
"Short-lived are both the praiser and the praised, and rememberer and the remembered..."
- Marcus Aurelius; Meditations, VIII 21
"Short-lived are both the praiser and the praised, and rememberer and the remembered..."
- Marcus Aurelius; Meditations, VIII 21