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Alberic O'Kelly de Galway vs Ahlbach
Correspondence (1938), ?
Sicilian Defense: Prins Variation (B54)  ·  1-0
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
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Jun-09-10
Premium Chessgames Member
  patzer2: As an aside, today's puzzle solution combines the deflection (15. Bb6!) and decoy (16. Bf5!) tactics, to set up the winning Knight fork position (e.g. 16...Qxf5 17. Nxe7+ ).

At one time I was considering a collection which combined the deflection and decoy tactics. I may yet do so. This puzzle might be an excellent example with which to to begin one.

Jun-09-10
Premium Chessgames Member
  chrisowen: Ah to be sure to be sure, so it is so it is like. Reap the bedrock of Galway's attack is the b7 stone. Blah blah blah need the lucky charm 15.Bb6 kiss the queen off goodbye. Just remember as you slide down the banister of life, may the splinters never point in the wrong direction.
Jun-09-10
Premium Chessgames Member
  kevin86: An amusing finish...White traps the queen with a pair of cross-firing bishops.

Power to the bishops-chess version of Vatican II

Jun-09-10  chinaski: This is a correspondence chess game.I wonder,why didn't Ahlbach see this little combination?
Jun-09-10  mastyin: 1. Bb6 Qd7 2. Bf5

queen is lost

Jun-09-10  Marmot PFL: <chinaski> It was played in 1938 BC (before computers)
Jun-09-10  Boerboel Guy: <Once> Brad and Janet didn't run out of petrol (or did they?). Wasn't it a flat tyre? Never mind, I like your style!
Jun-09-10  Patriot: <patzer2> Is Bb6 really a deflection? I only saw it as a threatening move followed by a decoy tactic and knight fork. It could be that I never knew what a deflection tactic is.
Jun-09-10  chinaski: Marmot PFL: <chinaski> It was played in 1938 BC (before computers)

1938 BC :))) I liked this abbr.

Jun-09-10
Premium Chessgames Member
  YouRang: Got it in fairly short order.

The first move, <15.Bb6> jumped into my face, not necessarily because it's good, but because it follows from the <monkey see queen attack, monkey make queen attack> principle.

Upon further review, it also turns out to be good.

First, its forcing <18...Qd7> (18...Nc7? 19.Bxc7) and black's queen, which is solely responsible for the defence of Be7 is facing immobility problems.

Second, it set up another attack on the queen, <19.Bf5!> which took a moment for me to fully appreciate. I saw that black couldn't capture my bishop due to 19...Qxf5 20.Nxe7+ (forking K+Q), but it took me a moment to notice that black had NO safe square for his queen!

Jun-09-10  The Rocket: Fairly easy puzzle for a wednesday
Jun-09-10
Premium Chessgames Member
  NARC: 15. ... Qd7
One more player inspired by Nimzowitsch? ;-)
Jun-09-10  kingsindian2006: i didnt get the puzzle but it sure was a lovely attack. beautiful !!
Jun-09-10
Premium Chessgames Member
  DarthStapler: I got the first move
Jun-09-10  Rachit: beautifull :)... i got the moves ... but only because it was a puzzle !!! Else i would have have 50% screwed one out of the only two moves required :)
Jun-09-10
Premium Chessgames Member
  YouRang: <Patriot: <patzer2> Is Bb6 really a deflection? I only saw it as a threatening move followed by a decoy tactic and knight fork.>

I would agree with your assessment. The point of Bb6 isn't simply to make the queen *leave* the square it was on (which is the point of a deflection).

The point of Bb6 was to make the queen *arrive* at a specific square (d7) upon which further tactics may be employed. It works in this case because d7 is the only square the queen can "safely" arrive at.

I'm not sure if there's a better term for 18.Bb6 than "threat". It's not quite a decoy either, because decoy (IMO) compels the opponent to capture the attacking piece. For example, 19.Bf5 is clearly a decoy (a bishop sac to set up the fork).

Jun-09-10
Premium Chessgames Member
  YouRang: On the other hand...

After poking about, I did see one definition of 'deflection' that says "force a piece to a less desirable square" -- which works in this case.

Jun-09-10
Premium Chessgames Member
  Once: <Boerboel Guy> On second thoughts, I think you are exactly right. Doesn't Frank N Furter say something like "you were caugtht out by a flat/ well how about that?"??

Rhymes so much better than anything to do with petrol.

Jun-09-10  lzromeu: I caught this, but only by luck.
What a beautiful trap!
<yourang> this is the right word: trap (or trick). Creativity. I love the strategies of Sicilian games.
In this, the white queen and rooks remain unmoved
Jun-09-10  turbo231: Well 3 days in a row a first for me. It took me awhile to see it. I disagree with those that say it's too easy, I've seen easier Sunday puzzles than this one. It could be a Friday's puzzle maybe. It's a 3 mover.
Jun-09-10  cjgone: Human bias got in the way for me this time. I overlooked the move because human instinct told me not to play it since black would just take the bishop....I should have looked ahead a little more.. Stupid instincts. :(
Jun-09-10
Premium Chessgames Member
  gofer: 15 Bb6 ...

15 ... Qd7 16 Bf5 winning a queen with Qc6/Qxf5 17 Nxe7+

15 ... Nc7 16 Nxc7 winning a rook with Rb8 17 Ne6 Qe8 18 Nxf8

Time to check...

Jun-09-10
Premium Chessgames Member
  Benzol: Amazing, before yesterday this game was only in one collection. Now it's in five others.
Jun-09-10  EyesofBlue: Is 15... Nc7 any better? (i.e., does it minimize loss of the queen?)
Jun-11-10  TheaN: Wednesday 9 June 2010 (two days late)

<15.?>

Target: 2:10;000
Taken: untimable, >3m I think

Material: =

Candidates: Bxh7†, Nb6.... Bb6.... <[Bb6]> :)

-ML-
I've looked at this puzzle with quite some intervals (busy the last days) and couldn't really find anything in short periods. Now, I look at it for ~25s and I find it :O. Clearly, White has a clear advantage in piece placement. However, he is facing a pawn centre and if Black is able to solve his piece placement Black is better. However, White has a killer move in a move I saw quite some time ago but couldn't finish up.

<15.Bb6!> taking an outpost and attacking the loose Queen. Although Nc7 is probably just as bad as the text presented here it just loses a piece to Bxc7 .

<15....Qd7> now, where's the killer? When I was looking at this early I saw Bf5 but just couldn't get Qxf5 to work. However, that's in fact what's the point here!

<16.Bf5 Qxf5 17.Nxe7† > and it's in fact over. I missed the undefended Bishop on e7 AND winning the Queen to boot.

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