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Grigory Serper vs Alexei Barsov
Agzamov Memorial (1988), Tashkent URS, Dec-??
French Defense: Tarrasch. Pawn Center Variation (C05)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Given 34 times; par: 29 [what's this?]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 4 OF 4 ·  Later Kibitzing>
Nov-23-20  agb2002: White is a bishop and two pawns down.

White wins with 25.Bg8:

A) 25... Rxg8 26.Qh6#.

B) 25... Rf7 26.Bxf7 (26.Qxf7 Bg7 27.Qe8 is much slower) 26... Bg7 27.Qh5+ Bh6 28.Qxh6#.

Nov-23-20  Brenin: A little harder than usual for a Monday: it took a few seconds to see that the more obvious tries, such as 25 Rxf6 or Qh6, all fail, and that a less common mating pattern Bg8 and Qh7 (or Qh6 if 25 ... Rxg8) was required.
Nov-23-20  murkia: The engine says 25...Qc3 and mated in 13.

TGIF?

Nov-23-20  Brenin: As <JimfromProvidence> pointed out twelve years ago, when White's 19th move was a Sunday POTD, White's continuation after 23 ... Bd7 (instead of hxg5) is quite a challenging problem. Try it if you found today's POTD too easy.
Nov-23-20  saturn2: 25.Qh5 works
Nov-23-20  Walter Glattke: 25.-Rf7 26.Bxf7 Qc2 27.Qg8# 26.-Bd7 27.Qh6#
Nov-23-20  Walter Glattke: 25.-Rf7 26.Bxf7 Qc2 27.Qh6+ Qh7 28.Qg8 Qxg8# sorry, must wake up this Monday soon.
Nov-23-20  morfishine: <25.Bg8> and thats that
Nov-23-20  thegoodanarchist: <morfishine: <25.Bg8> and thats that>

Indeed it is. That's one of those moves which gives you that sinking feeling in your gut when you opponent makes it.

25.Bg8 ruined Barsov's day.

Nov-23-20  awfulhangover: 25.Bg8! Nice and easy. But a move You can miss if little time.
Nov-23-20  Diademas: I spent way too much time on this.
It will be a tough week.
Nov-23-20  zb2cr: White has the neat resource 25. Bg8! threateing mate next move at h7. The obvious line is 25. ... Rg8; 26. Qh6#.

Black can also try 25. ... Rf7. Then 26. Bxf7 threatens two mates in one, by Qg8# and by Qh6#. The only move to prevent both is 26. ... Bg7, which is met by 27. Qh5+, Bh6#; 28. Qxh6#

Nov-23-20  TheaN: <25.Bg8 #13>. It's somewhat crucial, looking at the material deficit for White, that after 25....Rf7 26.Bxf7! and Black has no real defense against Qg8# and Qh6#, only 26....Bg7 works which follows 27.Qh5+ Bh6 28.Qxh6#. The reason the move itself is #13 is that 25....Qc2 defends against a quick mate (which I actually missed).
Nov-23-20  Nullifidian: 25. ♗g8 ends the game. If the rook captures, then 26. ♕h6#, there are no king moves, and the bishop can't do anything useful, so the only viable way to stave off immediate mate is 25... ♕c2, but giving up your queen is tantamount to resigning.
Nov-23-20  Cheapo by the Dozen: Fun! The only at all tricky part was realizing the solution had nothing to do with the f6 bishop. :)
Nov-23-20  mjmorri: The White King's bravery beginning at move 11 is commendable.
Nov-23-20  landshark: <geeker> <Diademas>

I wouldn't take it so hard - this is definitely not typical Monday material:

First - no Q sac. Then you had to realize 25.Qh5 doesn't work. Then you have to see that the only way to really force the win is to jam the bishop into g8, which is somewhat counterintuitive...

CG is definitely putting up some tricky puzzles earlier in the week these days -

Nov-23-20  TheaN: <mjmorri: The White King's bravery beginning at move 11 is commendable.>

Yes, but it's not that rare in the French. The key for Black is to try and keep the position closed for as long as this is viable, and the Kf2 maneuver provokes an early f6.

Somewhat contradictory, considering Black does play f6 often enough, but that's when the pressure on the king side is manageable. In the position here after Nd2-f3 and Bd3, it's Black who has to be very careful.

Nov-23-20
Premium Chessgames Member
  perfidious: From experience of both colours in 5.f4, I can state that the voluntary king march--to f2, then g2 after playing g3--is routine.
Nov-23-20  WorstPlayerEver: Ha. So I'm the only one with 25. Qh6
Nov-23-20
Premium Chessgames Member
  gawain: It's half of an epaulette mate!
Nov-23-20  messachess: Embarrassing not to see this one. So simple.
Nov-23-20  drollere: this was a puzzler for me. i had to wring out all the variations of R or Q xf6, Rb1, etc. before i found the obvious Bg8 (threatening mate), Rxg8, Qh6#.
Nov-23-20  saturn2: 25. h5 seems a tie at most

25....Kg7 26. Bd3 Rh8 27. Qg6+ Kf8 28. Rxf6+ Ke7- and black threatens Qxh2 and Qxa1. So white has to play 28 Qxf6 Qxf6 29 Rxf6 with two pawns less.

Nov-23-20  mel gibson: I didn't see it.
I thought 25. Q-h6

Am I getting Alzheimer's ?

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