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Joseph G Gallagher vs Alistair Compton
Tradewise Gibraltar (2014), Catalan Bay GIB, rd 1, Jan-28
French Defense: McCutcheon. Dr. Olland (Dutch) Variation (C12)  ·  1-0
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Feb-04-16  mel gibson: Hi Perfidious,
I tested 27...Nd5 &
the computer gives a score of +0.61 to white.

28 Qf4-h4 g6- g5
29 Qh4-g4 Qc2-c3

depth 20.

Feb-04-16
Premium Chessgames Member
  whiteshark: gofer: <28 Qc1 Qg5 29 Qxc8+ Nxc8 30 f4 <Qh4> 31 g3 ...> fixed that 4u
Feb-04-16  The Kings Domain: Tough puzzle and nice finish.
Feb-04-16
Premium Chessgames Member
  whiteshark: I thought that 28.Qc1 was winning outrightly so I missed the <idea> behind 28...Qg5. Should have been <suspicious> about my <superficiality> ...

<> randomly chosen

Feb-04-16  CHESSTTCAMPS: White has the material disadvantage of bishop for a knight and pawn, but has complete control of the position. With the powerful battery of white rooks controlling the d-file and the bishop preventing castling, the rook on h8 is trapped out of play and the king has no legal moves. White can finish with

28.Qc1! The alternative 28.Qd2 can be countered with Nd5. Now white has the compelling threat of 29.Qxc8+ and there is no satisfactory defense:

A.28... Rxc1 29.Rd8#

B.28... Ra8/b8 (Rd8 29.Rxd8#) 29.Qc6+ Nd7 30.Qxd7#

C.28... Nc4 29.Qxc4 Rxc4 30.Rd8#

D.28... Qg5 29.Qxc8+!! Nxc8 30.f4 Qh4 31.g3 Qe7 (otherwise 32.Rd8#) 32.Bxe7 Kxe7 (Nxe7 33.Rd8#) 33.Rd7+ Kf8 34.Rd8+ Kg7 35.Rxh8 Kxh8 36.Rd8+ 1-0

E.28... f6 29.Qxc8+ Nxc8 30.Rd8+ Kf7 31.R1d7+ Ne7 32.Rxe7#

F.28... other (except 28... Qf6 29.exf6) 29.Qxc8+ Nxc8 30.Rd8#

Time for review...

Feb-04-16  CHESSTTCAMPS: I also missed the improvement 30.h4.

<Phony Benoni: Reminds me a bit of one of the lines in the mythical game, E Z Adams vs Carlos Torre, 1920> I've taught that one to elementary school kids (without disillusioning them about the authenticity). It may be concocted, but it sure is pretty.

Feb-04-16  Al2009: <CHESSTTCAMPS>

After 28. Qd2! Nd5

29. Qa5! is quickly winning...

Feb-04-16  Al2009: <CHESSTTCAMPS>

to be more precise...

After 28. Qd2! Nd5 (as you suggested)
29. Qa5! Qxe5
30. Qb5+! Kd8
31. f4! Qe3+
32. Kf1

And Black can only "delay" mate with a desperate 32...Qxd4

So, why the "spectacular" 28. Qc1, when White can win even more quickly, and without sac?

Feb-04-16
Premium Chessgames Member
  thegoodanarchist: Got it.

Straight outta Compton.

Feb-04-16  dfcx: White can mate with Rd8 if not for the rook, thus we should try deflecting the rook.

28.Qc1!

A. 28...Rb1/a1 29.Qc6+ Nd7 Qxd7#
B. 28...Rxc1 29.Rd8#
C. 28...Qg5 29.Qxc8+ Nxc8 30.f4 Qh4 31.g3

and the queen has no place to go without leaving the d8 square unguarded

31...Qe7 32.Bxe7 Kxe7 33.Rd7+ Kf8 34.Rd8+ Kg7 35.Rxh8 Kxh8 36.Rd8+ Kg7 37.Rxc8

Feb-04-16
Premium Chessgames Member
  patzer2: <mel Gibson><perfidious> Let's check.

In the game if instead of 27...Qf5?, Black plays 27...Nd5 (diagram below):


click for larger view

and <there would follow 28.Rxd5 28....exd5 29.Rc1> (diagram below),


click for larger view

Black has the saving resource 29...Rc4! when play might continue 30. Rxc2 Rxf4 31. Rc8+ Kd7 32. Rxh8 Ra4 33. e6+ (33. Bb2 Rb4 34. e6+ (34. Bd4 Rb1#) 34... fxe6 35. Rxh6 Rxb2 36. Kf1 ) 33... fxe6 34. Rh7+ Kc6 35. Rxh6 Rxa3 36. Kf1 Ra1+ 37. Ke2 a5 38. Rxg6 Kd6 39. h4 a4 40. Rg7 Ke5 41. h5 Kf5 42. Kf3 a3 43. g4+ Kf6 44. Ra7 a2 45. h6 Kg5 46. h7 Rh1 47. Rxa2 Rxh7 = (0.00 @ 29 depth, Deep Fritz 15).

P.S.: So for an improvement, instead of <27...Qf5?>, Black should play <mel Gibson>'s 27...Nd5! when the computers indicate White has an edge after 28. Qh4 (+0.59 @ 22 depth, Deep Fritz 15).

Feb-04-16
Premium Chessgames Member
  perfidious: <patzer2> For some reason, I had reached the position in your analysis after your move 29....Rc4 30.Rxc2 Rxf4 31.Rc8+ Kd7 32.Rxh8 Ra4 33.Bb2, thinking this good enough after 33....Ra2 instead of the obvious (in the cold light of day) 33....Rb4; I should emphasise that I perform analyses without a board, as I haven't one.
Feb-04-16
Premium Chessgames Member
  kevin86: sorry, the queen has no place to go!
Feb-04-16  KID Slayer: Perhaps 22...Kf8 would have given Black a longer fight than 22...Rc8?, which is asking for trouble with 23.Ba3, trapping the king in the center via the weak dark squares around him.
Feb-04-16  The17thPawn: I simply thought why not Qc1 as it worked so well for Rubinstein in at least two excellent games.
Feb-04-16  psmith: <patzer2>, <perfidious> per Stockfish, Gallagher should have played 27. Qf3! Nd5 28. Rxd5 instead of 27. Qf4?!.
Feb-04-16  psmith: <Al2009> After 28. Qd2 Nd5 29. Qa5 Qc2, white is winning, but not as quickly as after 28. Qc1.
Feb-04-16
Premium Chessgames Member
  gawain: I love this one. The winning move is a sort of retreat! The Q ends up 3 ranks and 1 column further from the enemy king.

I was so certain that 28 Qc1 was the right move that I did not bother to look for defensive resources such as 28...Qg5. My bad. So I did not discover for myself White's 30...h4 chasing the Q off the diagonal. A subtle and pleasing conclusion.

Feb-04-16  King Harvest: Extraordinary. The black queen is dominated along the crucial defensive diagonal with each square of the diagonal held by a different piece! Truly a puzzle like finish.
Feb-04-16  b.firm: I like the 23. Ba3, it was good to prevent black for castling and to threat the king (attacking) as well..
Feb-04-16  WDenayer: I absolutely do not understand 23. ... Qd5. What does this move achieve? Is Black going to take on e5? To me, it wastes a tempo - just the tempo that White needs to set up the battery on the d-file.
Feb-04-16  Patriot: <morf> Nice to see your posts as well! I'm glad you are having fun--fun is what it's about!
Feb-04-16  Moszkowski012273: 27...Nd5 28.Rxd5,exd5 29.Rc1 draws or loses to 29...Rc4
Feb-05-16  Moszkowski012273: 27.Qf3... is quite winning. Not 27.Qf4...
Feb-05-16
Premium Chessgames Member
  perfidious: <King Harvest> Have you ever gone <Dancing In The Moonlight>?
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