Prokovich game

For lessons, as well as threads about specific moves, and anything else worth studying.
User avatar
gaius
Lives in gote
Posts: 476
Joined: Tue Apr 27, 2010 2:55 am
Rank: Dutch 2 dan
GD Posts: 56
KGS: hopjesvla
Has thanked: 193 times
Been thanked: 83 times

Re: Prokovich game

Post by gaius »

According to my count, white is solidly ahead, by more than 5 points (even counting the fact that it's black's move). In fact, given that this is a professional game, maybe they would even call it "game over". Which is interesting, because not so long ago I had the feeling black wasn't doing bad at all.

Of course, since then, white's center group has been 100% solidified with points, whereas black's center area now looks much smaller than it did then. But still...
My name is Gijs, from Utrecht, NL.

When in doubt, play the most aggressive move
User avatar
Magicwand
Tengen
Posts: 4844
Joined: Wed Apr 21, 2010 5:26 am
Rank: Wbaduk 7D
GD Posts: 0
KGS: magicwand
Tygem: magicwand
Wbaduk: rlatkfkd
DGS: magicwand
OGS: magicwand
Location: Mechanicsburg, PA
Has thanked: 62 times
Been thanked: 504 times

Re: Prokovich game

Post by Magicwand »

i really didnt count but i still think black is ahead
"The more we think we know about
The greater the unknown"

Words by neil peart, music by geddy lee and alex lifeson
mitsun
Lives in gote
Posts: 553
Joined: Fri Apr 23, 2010 10:10 pm
Rank: AGA 5 dan
GD Posts: 0
Has thanked: 61 times
Been thanked: 250 times

Re: Prokovich game

Post by mitsun »

I think W has been ahead for a long time. By my count, W now leads on the board, even without komi.
robinz
Lives in gote
Posts: 414
Joined: Thu Sep 16, 2010 3:40 am
Rank: KGS 9k
GD Posts: 0
KGS: robinz
Location: Durham, UK
Has thanked: 95 times
Been thanked: 15 times

Re: Prokovich game

Post by robinz »

Wow - I'm really bad at counting the score during a game (which is part of the reason I don't do it enough), so it's reassuring to see that 4/5-dans can't even agree about who's winning in a given board position :)
User avatar
Magicwand
Tengen
Posts: 4844
Joined: Wed Apr 21, 2010 5:26 am
Rank: Wbaduk 7D
GD Posts: 0
KGS: magicwand
Tygem: magicwand
Wbaduk: rlatkfkd
DGS: magicwand
OGS: magicwand
Location: Mechanicsburg, PA
Has thanked: 62 times
Been thanked: 504 times

Re: Prokovich game

Post by Magicwand »

robinz wrote:Wow - I'm really bad at counting the score during a game (which is part of the reason I don't do it enough), so it's reassuring to see that 4/5-dans can't even agree about who's winning in a given board position :)


it is not that we can not count...it is that i am too lazy and dont have time to count accurately.
i recounted and i confirm that white is ahead by about 5 points because it is black's turn.
"The more we think we know about
The greater the unknown"

Words by neil peart, music by geddy lee and alex lifeson
dfan
Gosei
Posts: 1598
Joined: Wed Apr 21, 2010 8:49 am
Rank: AGA 2k Fox 3d
GD Posts: 61
KGS: dfan
Has thanked: 891 times
Been thanked: 534 times
Contact:

Re: Prokovich game

Post by dfan »

Click Here To Show Diagram Code
[go]$$Bcm109 ACTUAL GAME: Move 109. Points from prisoners: B 2
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . X . . . . . . . |
$$ | . . . . . X O X X X . . . . X . . . . |
$$ | . . X , X O . . O O O . . . . , X . . |
$$ | . . . . X O . O . . . . . . X . . 1 . |
$$ | . . . X . X O . . . . . . . . . O . . |
$$ | . . . X . X O . . . . . . . . . . . . |
$$ | . . . X X . . . . . . . . . . . X O . |
$$ | . O O O O O O O . O . . . . . . O . . |
$$ | . X O O X X X X . , O . . . . , . O . |
$$ | . X X X X . . . X . . . . . . X X O . |
$$ | . . . . O . O . . . . . . . . . O . . |
$$ | . O X X . . O X . . . . . . X O . . . |
$$ | . . O . . . . X . . . . X . X X O . . |
$$ | . . . O O O O X . . X . . . . O X . . |
$$ | . . . O . X X O X . . O X . . O . . . |
$$ | . . O X X . . O . X X O . X X . O . . |
$$ | . . O . . . O . O O X . . X O O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
dfan
Gosei
Posts: 1598
Joined: Wed Apr 21, 2010 8:49 am
Rank: AGA 2k Fox 3d
GD Posts: 61
KGS: dfan
Has thanked: 891 times
Been thanked: 534 times
Contact:

Re: Prokovich game

Post by dfan »

Click Here To Show Diagram Code
[go]$$Wcm110 ACTUAL GAME: Move 110. Points from prisoners: B 2
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . X . . . . . . . |
$$ | . . . . . X O X X X . . . . X . . . . |
$$ | . . X , X O . . O O O . . . . , X . . |
$$ | . . . . X O . O . . . . . . X . . X . |
$$ | . . . X . X O . . . . . . . . . O . . |
$$ | . . . X . X O . . . . . . . . . . . . |
$$ | . . . X X . . . . . . . . . . . X O . |
$$ | . O O O O O O O . O . . . . . . O . . |
$$ | . X O O X X X X . , O . . . . , . O . |
$$ | . X X X X . . . X . . . . . . X X O . |
$$ | . . . . O . O . . . 1 . . . . . O . . |
$$ | . O X X . . O X . . . . . . X O . . . |
$$ | . . O . . . . X . . . . X . X X O . . |
$$ | . . . O O O O X . . X . . . . O X . . |
$$ | . . . O . X X O X . . O X . . O . . . |
$$ | . . O X X . . O . X X O . X X . O . . |
$$ | . . O . . . O . O O X . . X O O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
User avatar
gaius
Lives in gote
Posts: 476
Joined: Tue Apr 27, 2010 2:55 am
Rank: Dutch 2 dan
GD Posts: 56
KGS: hopjesvla
Has thanked: 193 times
Been thanked: 83 times

Re: Prokovich game

Post by gaius »

Ouch, there goes black's little area... My endgame is really not good enough for accurate predictions, but maybe something like this now?
Click Here To Show Diagram Code
[go]$$Wcm111
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . X . . . . . . . |
$$ | . . . . . X O X X X . . . . X . . . . |
$$ | . . X , X O . . O O O . 4 . . , X . . |
$$ | . 6 . . X O . O . . . . . . X . . X . |
$$ | 5 . . X . X O . . . . 7 . . . . O . . |
$$ | . . . X . X O . . . . . . . . . . . . |
$$ | . . . X X . . . . . . . . . . . X O . |
$$ | . O O O O O O O . O . . . . . . O . . |
$$ | . X O O X X X X . , O . . . . , . O . |
$$ | . X X X X . . . X . . . . . . X X O . |
$$ | . . . . O . O . . . O . . . . 2 O . . |
$$ | . O X X . . O X . . . . . . X O 3 . . |
$$ | . . O . . . . X . . . . X . X X O . . |
$$ | . . . O O O O X . . X . . . . O X . . |
$$ | . . . O . X X O X . . O X . . O . . . |
$$ | . . O X X . . O . X X O . X X . O . . |
$$ | . . O . . . O . O O X . . X O O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
My name is Gijs, from Utrecht, NL.

When in doubt, play the most aggressive move
dfan
Gosei
Posts: 1598
Joined: Wed Apr 21, 2010 8:49 am
Rank: AGA 2k Fox 3d
GD Posts: 61
KGS: dfan
Has thanked: 891 times
Been thanked: 534 times
Contact:

Re: Prokovich game

Post by dfan »

Click Here To Show Diagram Code
[go]$$Bcm111 ACTUAL GAME: Move 111. Points from prisoners: B 2
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . X . . . . . . . |
$$ | . . . . . X O X X X . . . . X . . . . |
$$ | . . X , X O . . O O O . . . . , X . . |
$$ | . . . . X O . O . . . . . . X . . X . |
$$ | . . . X . X O . . . . . . . . . O . . |
$$ | . . . X . X O . . . . . . . . . . . . |
$$ | . . . X X . . . . . . . . . . . X O . |
$$ | . O O O O O O O . O . . . . . . O . . |
$$ | . X O O X X X X . , O . . . . , . O . |
$$ | . X X X X . . . X . . . . . . X X O . |
$$ | . . . . O . O . . . O . . . . . O . . |
$$ | . O X X 1 . O X . . . . . . X O . . . |
$$ | . . O . . . . X . . . . X . X X O . . |
$$ | . . . O O O O X . . X . . . . O X . . |
$$ | . . . O . X X O X . . O X . . O . . . |
$$ | . . O X X . . O . X X O . X X . O . . |
$$ | . . O . . . O . O O X . . X O O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
User avatar
gaius
Lives in gote
Posts: 476
Joined: Tue Apr 27, 2010 2:55 am
Rank: Dutch 2 dan
GD Posts: 56
KGS: hopjesvla
Has thanked: 193 times
Been thanked: 83 times

Re: Prokovich game

Post by gaius »

This is sente - white will now bamboo I suppose. dfan, if there is a sente exchange like this, maybe you could just upload a few moves in one go (especially with sente exchanges); it'll help speed up the game. In an endgame like this, writing comments at every single move is just too much...
My name is Gijs, from Utrecht, NL.

When in doubt, play the most aggressive move
dfan
Gosei
Posts: 1598
Joined: Wed Apr 21, 2010 8:49 am
Rank: AGA 2k Fox 3d
GD Posts: 61
KGS: dfan
Has thanked: 891 times
Been thanked: 534 times
Contact:

Re: Prokovich game

Post by dfan »

One problem is that at my level, it's not always obvious just how sente a move is and whether the opponent has to make a real decision about whether to answer it or not. But if it is super-obvious, I'll try to post pairs, and if someone guesses the move I'll update early.

Click Here To Show Diagram Code
[go]$$Wcm112 ACTUAL GAME: Move 112. Points from prisoners: B 2
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . X . . . . . . . |
$$ | . . . . . X O X X X . . . . X . . . . |
$$ | . . X , X O . . O O O . . . . , X . . |
$$ | . . . . X O . O . . . . . . X . . X . |
$$ | . . . X . X O . . . . . . . . . O . . |
$$ | . . . X . X O . . . . . . . . . . . . |
$$ | . . . X X . . . . . . . . . . . X O . |
$$ | . O O O O O O O . O . . . . . . O . . |
$$ | . X O O X X X X . , O . . . . , . O . |
$$ | . X X X X . . . X . . . . . . X X O . |
$$ | . . . . O . O . . . O . . . . . O . . |
$$ | . O X X X 1 O X . . . . . . X O . . . |
$$ | . . O . . . . X . . . . X . X X O . . |
$$ | . . . O O O O X . . X . . . . O X . . |
$$ | . . . O . X X O X . . O X . . O . . . |
$$ | . . O X X . . O . X X O . X X . O . . |
$$ | . . O . . . O . O O X . . X O O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
dfan
Gosei
Posts: 1598
Joined: Wed Apr 21, 2010 8:49 am
Rank: AGA 2k Fox 3d
GD Posts: 61
KGS: dfan
Has thanked: 891 times
Been thanked: 534 times
Contact:

Re: Prokovich game

Post by dfan »

Click Here To Show Diagram Code
[go]$$Bcm113 ACTUAL GAME: Moves 113-114. Points from prisoners: B 2
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . X . . . . . . . |
$$ | . . . . . X O X X X . . . . X . . . . |
$$ | . . X , X O . . O O O . . . . , X . . |
$$ | . . . . X O . O . . . . . . X . . X . |
$$ | . . . X . X O . . . . . . . . . O . . |
$$ | . . . X . X O . . . . . . . . . . . . |
$$ | . . . X X . . . . . . . . . . . X O . |
$$ | . O O O O O O O . O . . . . . . O . . |
$$ | . X O O X X X X . , O . . . . , . O . |
$$ | . X X X X . . . X . 2 1 . . . X X O . |
$$ | . . . . O . O . . . O . . . . . O . . |
$$ | . O X X X O O X . . . . . . X O . . . |
$$ | . . O . . . . X . . . . X . X X O . . |
$$ | . . . O O O O X . . X . . . . O X . . |
$$ | . . . O . X X O X . . O X . . O . . . |
$$ | . . O X X . . O . X X O . X X . O . . |
$$ | . . O . . . O . O O X . . X O O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
dfan
Gosei
Posts: 1598
Joined: Wed Apr 21, 2010 8:49 am
Rank: AGA 2k Fox 3d
GD Posts: 61
KGS: dfan
Has thanked: 891 times
Been thanked: 534 times
Contact:

Re: Prokovich game

Post by dfan »

Click Here To Show Diagram Code
[go]$$Bcm115 ACTUAL GAME: Moves 115. Points from prisoners: B 2
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . X . . . . . . . |
$$ | . . . . . X O X X X . . . . X . . . . |
$$ | . . X , X O . . O O O . . . . , X . . |
$$ | . . . . X O . O . . . . . . X . . X . |
$$ | . . . X . X O . . . . . . . . . O . . |
$$ | . . . X . X O . . . . . . . . . . . . |
$$ | . . . X X . . . . . . . . . . . X O . |
$$ | . O O O O O O O . O . . . . . . O . . |
$$ | . X O O X X X X . , O . . . . , . O . |
$$ | . X X X X . . . X . O X . . . X X O . |
$$ | . . . . O . O . . . O . . . . . O . . |
$$ | . O X X X O O X . 1 . . . . X O . . . |
$$ | . . O . . . . X . . . . X . X X O . . |
$$ | . . . O O O O X . . X . . . . O X . . |
$$ | . . . O . X X O X . . O X . . O . . . |
$$ | . . O X X . . O . X X O . X X . O . . |
$$ | . . O . . . O . O O X . . X O O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
User avatar
Harleqin
Lives in sente
Posts: 921
Joined: Sat Mar 06, 2010 10:31 am
Rank: German 2 dan
GD Posts: 0
Has thanked: 401 times
Been thanked: 164 times

Re: Prokovich game

Post by Harleqin »

Heh, that was sente? I did not see that. :blackeye:
A good system naturally covers all corner cases without further effort.
dfan
Gosei
Posts: 1598
Joined: Wed Apr 21, 2010 8:49 am
Rank: AGA 2k Fox 3d
GD Posts: 61
KGS: dfan
Has thanked: 891 times
Been thanked: 534 times
Contact:

Re: Prokovich game

Post by dfan »

According to the commentary, here's why Black played b115:

Click Here To Show Diagram Code
[go]$$Wc If B omits 115
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . X . . . . . . . |
$$ | . . . . . X O X X X . . . . X . . . . |
$$ | . . X , X O . . O O O . . . . , X . . |
$$ | . . . . X O . O . . . . . . X . . X . |
$$ | . . . X . X O . . . . . . . . . O . . |
$$ | . . . X . X O . . . . . . . . . . . . |
$$ | . . . X X . . . . . . . . . . . X O . |
$$ | . O O O O O O O . O . . . . . . O . . |
$$ | . X O O X X X X . , O . . . . , . O . |
$$ | . X X X X . . . X . O X . . . X X O . |
$$ | . . . . O . O 1 2 . O . . . . . O . . |
$$ | . O X X X O O X 4 3 . . . . X O . . . |
$$ | . . O . . . . X . . 7 . X . X X O . . |
$$ | . . . O O O O X 6 5 X . . . . O X . . |
$$ | . . . O . X X O X . . O X . . O . . . |
$$ | . . O X X . . O . X X O . X X . O . . |
$$ | . . O . . . O . O O X . . X O O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Back to the actual game:

Click Here To Show Diagram Code
[go]$$Wcm116 ACTUAL GAME: Move 116. Points from prisoners: B 2
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . X . . . . . . . |
$$ | . . . . . X O X X X . . . . X . . . . |
$$ | . . X , X O . . O O O . . . . , X . . |
$$ | . . . . X O . O . . . . . . X . . X . |
$$ | . . . X . X O . . . . . . . . . O . . |
$$ | . 1 . X . X O . . . . . . . . . . . . |
$$ | . . . X X . . . . . . . . . . . X O . |
$$ | . O O O O O O O . O . . . . . . O . . |
$$ | . X O O X X X X . , O . . . . , . O . |
$$ | . X X X X . . . X . O X . . . X X O . |
$$ | . . . . O . O . . . O . . . . . O . . |
$$ | . O X X X O O X . X . . . . X O . . . |
$$ | . . O . . . . X . . . . X . X X O . . |
$$ | . . . O O O O X . . X . . . . O X . . |
$$ | . . . O . X X O X . . O X . . O . . . |
$$ | . . O X X . . O . X X O . X X . O . . |
$$ | . . O . . . O . O O X . . X O O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

I guess that's better than the monkey jump?
Post Reply