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Post by BostonGo on May 2, 2014 15:57:42 GMT -4
DragonGo Game #897946-> HEREWHITE: BOSTONGO BLACK: KUREIGU BOARD SIZE: 5X5 NO KOMI NO HANDICAPS ALL LEGAL MOVES MUST BE PLAYED. TOTAL MOVES: 16 CAPTURED WHITE STONES: 1 CAPTURED BLACK STONES: 0
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Post by BostonGo on May 2, 2014 16:03:00 GMT -4
MOVES 1-2
BOSTONGO: The center (てんげん) is the best move to start with. You can see that the potential territory (もよ) behind Black is larger than the single point (もく) behind White.
MOVES 3-4
くれいぐ: The first move is obvious at this size. The second, less so. My first planned move was to "contain" your stone by playing at b3 or c2, but I've decided that ends badly for me.
BOSTONGO: A のびる at B3 or C2 would have been the proper move. However, this move could be interesting since it can create a double 'hanging connection' (かけつぎ). and would secure the top right side of the board. Consider stones at D4 and D2 and ways for White to prevent that. Hanging connections are often called 'tiger's mouth' connections. A double hanging connection is sometimes called a 'lion's mouth' or the 'trumpet connection'. It is not a good connection on the outside because it invites forcing moves known as 'peeks' (のぞく) in front of the open connections. These peeks would threaten the connections and are forcing moves that could allow players an advantage. In this case, there is no threat since the threatening stones would be easily captured due to the proximity of the edge of the board.
The center known as 天元 (てんげん) is the best first move, but others are also interesting.
MOVES 5-6
くれいぐ: This, or C2 seem right, but since I avoided C2 last time...
BOSTONGO: In a 5X5 game there are no good moves for White but I think of the seemingly bad moves this straightforward move might be the best and seems 'joseki'.
MOVES 7-8
BOSTONGO: 切(き)っていました。
MOVES 9-10
くれいぐ: I'm debating between C2 and C5. This strikes as me more as an area capturing move, while C5 is more reactionary. I'm using BW-DGS to play these on my phone, and was trying to figure out what all of the numbers you sent mean. Finally realized the BW-GO doesn't handle Unicode and those are numeric representations of kana.
BOSTONGO: Comparing the two moves you mention C2 and C5...
C2 does not weaken or strengthen your chain. It had 3 liberties before the move and 3 liberties after the move. However, it reduces the strength of the white chain of two stones from 3 to 2 liberties.
C4 would create a new single stone chain which would be associated with the group in the top left corner. However, this one stone chain would have only two liberties. In the process it does weakens the white two stone chain by reducing its liberties from 3 to 2.
However, since the chains each have two liberties and White has the next move, Black is at a disadvantage and would be put into 当り(あたり) with White playing at D5.
MOVES 11-12
くれいぐ: I'm undecided if my last move was a mistake, but I'm pretty sure that this is the right one now.
BOSTONGO: Dropping to the edge is a common 手筋(てすじ) and rescues you here.
There is no coming back for White.
Black's play at 5B is a very strong move and is worthy of a club player.
I feel like you have become Hikaru and I'm Akira...LOL
Your last move was a critical mistake. You may not have noticed but my last move could have ended the game by playing a double 当り(あたり) at A4. Although A4 would have been in 当り, a 'throw-in', I think if you work it out you will see that the black stones in the corner would eventually be lost. I wanted the game to continue so I played on the outside instead.
What resulted was a very worthy position for study with your move being the correct, and perhaps only, answer to the previous 詰碁 (つめご) .
To be quite frank, I did not notice it, thank you for producing it.
As futile as any response is, I thought I would try the 跳ね(はね).
MOVES 13-14
くれいぐ: I had to look up the Hikaru and Akira reference. I agree that playing at c2, two moves go, was a critical mistake. I didn't even notice the double 当り until you pointed it out. I'm pretty sure the game would have ended 6 to -1 in your favour had you played "where you should have." Not responding to your 跳ね (はね) would be another critical mistake, so, a 跳ね of my own (I'm trying to determine if it's a 後手 (ごて) or 先手 (せんて) move. Can it be both?). Would c1 have been equivalent to your e3 play?
BOSTONGO: Sorry about the reference to Hikaru no Go. In these tight quarters almost every move is sente (せんて). You had to answer my move and defend, which makes my move 先手 (せんて). Is my move a direct response to yours?...I'll let you decide. Do you need to reply to my move?...We'll see. C1 and E3 are obviously both hanes (はね) but they are not equivalent. As it stood, it would take more moves to capture the chain in the bottom left.
MOVES 15-16
くれいぐ: I don't think d5 is a direct response to my e2. But I do need to answer it by playing at e4. Can 駄目 be used as a direct translation of liberty (一駄目、二駄目)?
BOSTONGO: I don't know the real answer to your question. I've never really used a Japanese word for liberties. The Sensei Library is not clear, could be 駄目(だめ) or 手(て). I am only used to referring to neutral territory as 駄目(だめ), territory as 目(もく) and eyes as 目(め). Perhaps someone else can answer.
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