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Kevin Spraggett vs Bruce Harper
Ch. Ouvert Montreal (1976), rd 5
French Defense: Advance Variation. Nimzowitsch System (C02)  ·  1-0
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 1 OF 2 ·  Later Kibitzing>
Oct-31-14  greenfield67: At the end, I'm guessing on 23...Bf6 or 23...Rff6 24. Qc6 works nicely. After 23...Rcf6 is there anything better than 24. Qd7 when White will be some pawns up?
Oct-31-14  Cheapo by the Dozen: Material is close to even -- Black is up a pawn, but it's doubled and hanging. Black's king position is open, but White doesn't actually have much pointed at the kingside, so a mating attack would seem to require action in the center.

An obvious try is:

19 Nxd5 exd5
20 Qxd5+ Kh8
21 Rxc6 Bxc6/Rxc6
22 Bxe5+ Bf6

In the 21 ... Bxc6 version, 23 Qxd8 now wins, as either rook recapture undefends a Black bishop. So my main line starts

19 Nxd5 exd5
20 Qxd5+ Kh8
21 Rxc6 Rxc6

White has now sacrificed rook for pawn. The continuation 22 Rd1 gives Black difficulties, in that:

The d7 bishop is hanging.
The d7 bishop is the only defender of the c6 rook.
22 ... Rd6 runs afoul of the fork 23 Bxd5+.
22 ... Rc7 runs afoul of the same fork.
22 ... Rc5 is also defeated by 23 Bxd5+, as Black will have to interpose at f6 and undefend the c5 rook.

So Black has to return material at this point, e.g. by abandoning the d7 bishop to its fate. So we are on track for White to have a pawn or two for the exchange and what is still a strong attack, albeit with queens and perhaps more material exchanged.

It's hard to calculate precisely beyond this point, since Black has so many tries to bolster his defenses while returning material. But in most opponent/clock scenarios, I'd play this line based just on the calculations so far.

Oct-31-14  Cheapo by the Dozen: The game line transposed moves from mine, and Black seems to have squandered a tempo along the way. OK ...
Oct-31-14  plumbst: Difficult. White is down a pawn.

Couldn't get this one. My biggest candidate was 19.Nxd5 exd5 20.Qxd5+ Kh8 but didn't know after that. (had tried 21.Rxc6, Qe4, Bxe5+) I also considered 19.Rxe5 Nxe5 20.Bxe5 Bf6 but same story there...

_____________

Ok should've known it was the quiet but deadly Red1...moves like those I would certainly play over the board.

Oct-31-14  plumbst: <Cheapo by the Dozen> 23.Qxd8 Rcxd8..?

One line I did go over was if Black had played

20...Rf7,

21.Bg6!? and 21.Bxh7+!? were the two moves I planned that both give White strong compenstation, but it turns out 21.Ba2! is even better.

21...Be8 22.Qe4! and Black's position is crumbling; White threatens 23.Bxf7+ Kxf7 (23...Bxf7 24.Rxc6) 24.Qxh7+ with a winning attack, and Black's knight is indirectly pinned due to the fork Qg4+

22...Bf6 23.Red1! (the move again) Qc7 24.Qf5 and Black is losing lots of material.

Overall, definitely very tough for a Friday.

Oct-31-14  diagonalley: hmmmm.. the black K is not entirely in the altogether, but an assault appears to be indicated... but the greater part of the white army is marshalled miles away on the back rank... oh well... maybe a case of 'reculer pour mieux sauter' as the splendid proverb goes... so i suppose it must now be 19.NxQP to bring HRH into play... though OTB i might waver
Oct-31-14  morfishine: My candidate progression went from 19.Qg4+ to 19.Ne4 to 19.Nxd5 to 19.Bxh7+, in that order, without forcing a win

Whats particularly mortifying is in not fathoming the strength of 21.Red1, I abandoned 19.Nxd5 with the least amount of effort :(

*****

Oct-31-14  Prosperus: Couldn't black continue 23. ... Bf6
Oct-31-14
Premium Chessgames Member
  Penguincw: Not even close to guessing this Friday puzzle (19.Rxe5 Nxe5 20.Rxe5, surrounding the king).
Oct-31-14  Coriolis: What does a Scotsman call a rook-sac?
Oct-31-14  Coriolis: [camping equipment]
Oct-31-14  Autoreparaturwerkbau: The puzzle is set at black king already somewhat oddly denuded of f- and g- pawn protection.

The solution of puzzle is to expose black of all 3 d- and e- pawns in next 5 moves...

From black pawns' perspective final position looks like nowaday tropical rainforests. :)

Oct-31-14  BalaKKa: 23.Be5+ - Bf6
24.Qxc6! and it's all over

All pieces are overwhelmed, black can't really recapture the Q, due to after Bxc6 white chops on d8, and then on f6 with a fork.

Oct-31-14  Marmot PFL: typical chess player vs political celebrity game.
Oct-31-14  villageboy: @BalaKKa:

Rc1+, picks up the white Bishop too, after the chop & fork.

Oct-31-14
Premium Chessgames Member
  kevin86: A series of sacrifices leads Spraggett to victory.
Oct-31-14  LIzzard: Did anyone see any merit in

Bxe5 Nxe5
Rxe5 ..

to set up the rook lift and leave the queen and bishop lanes to threaten the king?

Oct-31-14
Premium Chessgames Member
  Longview: <Lizzard> you were going the same direction I was. I also saw the merit of c3x d5 to have the c file opened to the c1 rook. What I missed was the opportunity for Qd5. I kept wanting Qg4 and was trying to deal with ...Bg5 blocking my access to the black King. Qd5 takes care of that nicely. Well, for once I missed the first move and got later ones. Generally I get the first move and then stall with the follow on moves.
Oct-31-14
Premium Chessgames Member
  Longview: What I notice now is that black has more pieces on the Queen's half of the board than on the King's half leaving his King more vulnerable than usual!
Oct-31-14  eezzell: I read the comments and am still confused by the game continuation. After 19. Nxd5 why does black retake? Why not 19. ...Bg5? or ...Rf7?
Oct-31-14
Premium Chessgames Member
  agb2002: White is one pawn down.

White seems to be able to eliminate Black's central pawns with 19.Nxd5 exd5 20.Qxd5+ but I'm too tired today to attempt a deep analysis.

Oct-31-14
Premium Chessgames Member
  chrisowen: Enough a map inept have d5 good in c3 magpie

generally steals the gold fish f6 in out of water f6xe5 special request ar gent lesson to be learnt c6x e5 fine for proceedings again business at hand d5 blood be drawn from a stone in effect ham up pet lance pawn cash in light one down ever

the optimist a beeline to be made e5 pick i lead centre as on c3 l0 win victor foot d5 lurch in

bid oh shock black bit wobbly from here on in wave to re-address the gap takes c6 into account really last night c6 ar grilled back e5 torrid it ok in ogle e5 flow d5 an see shoe fit up in toast to that e5 undone i tow in uniform over the hill e5 looks like a scary plug as awe in c3 loud boom

we quest aids d5 light in ascendancy wrack at crevice chin rook elevates later c6 tear up skim sense jet in jerk why beef d5 undone black on the back foot ar good jangle you yin and yang dame d1 us again see a d5 replete good hunting h8 allow ground if ive this right riok wheel a f7 ay etc then in bishop peekaboo a2 and light has pins taking care of business ave for one i effect aim dead delve in at eline a pt idea nip in the bud as f6xe5 line catch my dift unbuckle horse c6 and roam astray stay a centre ground about equal i cover f7 amongst ideas and am c6 out struck of trouble in calm e5 at cedes am ground in fly cutoff at dig dead food for thought in feed e7 can create counter threat at c1 ooh a g5 nip scream e7 away after glide an i e1 over tickle d1

method as ogle d7 often eg liege nt a fold to think black can get off easily one for lynch giving pin thought at sugar field roam an got cultivate a corner h8 to yield in believe black at sixes and sevens i bemoans lack of roomed it now in cuff an cap to try cave over batch afraid.

Oct-31-14  Cheapo by the Dozen: <plumbst>,

I under-analyzed the ... Rf7 interposition, because I saw Bh7+ as more obviously crushing that it is, because I overlooked that f8 had been vacated for the king.

But you're right -- Ba2 looks scary for Black, in that even as he defends passively White ensures a pretty decent material situation (rook and pawn(s) for two pieces) while the attack still has strong force.

Oct-31-14
Premium Chessgames Member
  DarthStapler: I didn't get it
Oct-31-14  Patriot: <morf> <Whats particularly mortifying is in not fathoming the strength of 21.Red1...> I didn't consider that move either. I chose 19.Nxd5 mostly because it doesn't risk a lot of material and it seems to be the start of some sort of attack, although I wasn't completely sure how to do it. Sometimes it doesn't work out so well but usually that sort of reasoning turns a favorable position into a drawn position (or slightly worse).
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