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Thomas Espig vs Lothar Zinn
DDR-ch 22th (1973), Erfurt GDR, rd 7
Modern Defense: Gurgenidze Defense (B06)  ·  1-0



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Kibitzer's Corner
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Premium Chessgames Member
  al wazir: I was clueless, but 33. Be4+ would have shortened the game by two moves. White didn't know what he was doing either.
Apr-27-14  SketchQuark: He could have either been hoping his opponent would play Qa6, missing the win after Rxa4. Or he might have wanted more time to think over the other line.
Apr-27-14  jawill500: Can someone please tell me how white wins from move 42 ??
Apr-27-14  diagonalley: well i think i had the right general idea... although OTB i would have started by pinning that pesky knight with the king's rook (which appeared to be doing sod all)... but of course - this being insanity sunday - such a nicety was bound to be out of the question. :-|
Apr-27-14  newzild: I managed to get this up to move 36, when I envisaged 36. Qd6, rather than Espig's rook sac on a4. <jawill500> 42...Kf5 43. Qd3+ Kg5 (43...Kf4 44. Qf3+ Kg5 45. Rg1+ Kh6 46. Qf5+, transposing into line "a" below) 44. Rg1+, and now:

a) 44...Kh5 45. Qf5+ Kh6 46. Qf4+ Kh5 (46...Kh7 47. Qxh4+ Qh5 48. Qxh5#) 47. Qg4+ Kh6 48. Qxh4+ Qh5 49. Qxf6+ followed by mate next.

b) 44. Kh6 45. Qe3+ Kh7 (45...Kh5 46. Qf3+ soon transposes to line "a") 46. Qe4+ f5 (46...Kh6 47. Qf4+ transposes to line "a") 47. Qxh4+ Qh5 48 Qxh5#

Apr-27-14  morfishine: <29.d6>
Premium Chessgames Member
  Once: In a game I'd probably play 29. Rhb1 and be happy with an enduring but small edge.

Staring at a Sunday insane POTD, I expected the answer to be something like d6 or even something crazy like Rxa4. But that requires bigger cojones and more brain cells than I can muster. Let's just stick with 29. Rhb1.

Switch on Fritzie and he quickly finds that 29. d6 is by far the better move, although 29. Rhb1 is okay. It's scoring around +0.69 which is not far behind yesterday's "winning" move.

Add in the fact that the puzzle position happens at move 29 in OTB play with tocks clicking...

We may have a situation where 29. d6 is objectively the "best" move, but 29. Rhb1 is arguably the more pragmatic choice.

I think I'd still play 29. Rhb1.

Premium Chessgames Member
  offramp: Unfortunately, after move 32 this good game devolves into an ur-Kasparov vs Topalov, 1999.
Apr-27-14  mistreaver: I also found 29 d6 but didn't know what to do after 29... a6(a5). Here is the answer
30 Rhb1 Ka7
31 Rxb6! Kxb6
32 Rb1+ Ka7
33 d7
and white has many threats
Apr-27-14  Cheapo by the Dozen: Over the board I'd try d6, all the more because Black's blockade with Bd6 looks like a pretty sound defense if he gets the chance.

That it hangs the c-pawn doesn't look like a big deal.

If Black tried to blockade with Nd7 and hide his king at c8, I'd try to break through on the queenside files.

Apr-27-14  fishkabob: Regarding the question how white wins from final position. Check with the queen. Took check the g file some more queen check and Qh4. Etc. For instance Kf5 Qd3 Kg5 Rg1 Kh6 Qe3 Kh7 Qe4-h4
Apr-27-14  morfishine: <fishkabob> Nice! I was missing <44.Rg1+>
Apr-27-14  1971: With the clock ticking, I settled on 29. Rhb1 where black still has to solve problems, since I found nothing after:

29. Rxa4 NxR 30. Qb3+ Nb6 31. Qb5 Qe8 when both Qc6+ and Qa5 are harmless.

29. d6 Qxc4 30. Qf3+ Ka6

Apr-27-14  Sally Simpson: Had a look whilst waiting for the Nak v Maggie game to get out of the opening.

click for larger view

Looked at 29. Rxa4 Nxa4 30.Qb3+ Nb6 31.Qb5

click for larger view

....maybe...naybe not.

Then saw the trap!

click for larger view

29.d6 Qxc4 30.Qf3+ Ka6 31.Bd3

click for larger view

It's the only other dynamic try. (cannot resist a good trap...never could.) After that it's a let see what he does and play it from there position. (too long and varied for accurate calcualtion - play it off the cuff.)

Right off to watch Nak v Maggie, last time I looked the Canadian lads were hogging the page and exchanging greetings, let's hope at last they have something to cheer about - it can only mean a wild game.

Apr-27-14  Moszkowski012273: 39.Qb7+ was much stronger.
Apr-27-14  CC0112358: White is down two pawns

29. d6 Bh6
30. Qe5+ Kb8
31. d7 Bxf4
32. Qxf4+ Kb7
From here, white's pieces (Q, B, R) will chase the black King around the board until a point where the King is trapped

Apr-27-14  Refused: 29.d6 looks like the most natural moves, and all of a sudden those neat little Bishops and the Queen have open diagonals to hunt that king down.

29.d6 Bh6 black has to try to take off as much pressure off his king as possible. 30.Qe4+ Kb8 (Ka6 looks even more unpleasent with a queen ready to enter on c6) 31.d7+ Bxf4
32.Qxf4+ Kb7
33.Be4+ Ka6
34.Rxa4 and the King will eventually get hunted down by Queen Rook and Bishop.

Apr-27-14  patzer2: Considered and dismissed the winning move 29. d6!!, solving today's Sunday puzzle, because I didn't see the possibility of an amazing King hunt.

Here's a fairly deep look, played out move-by-move, with Fritz 12:

<29. d6!! Bh6>

If 29... Qxc4 (diagram below),

click for larger view

then 30. Qf3+! Nd5 (diagram below)

click for larger view

31. Rxa4! Qxa4 32. Qxd5+ Kb8 33. Rb1+ Qb4 34. d7+ Bd6 35. Bxd6#

<30. Qe4+ Kb8>

If 30...Ka6, then 31. Rxa4+! Nxa4 32. Qc6+ Nb6 33. Ra1#.

<31. d7+ Bxf4 32. Qxf4+ Kb7>

If 32...Ka8, then 33. Be4+ Nd5 34. Bxd5+ Qxd5 35. cxd5 .

<33. Qe4+ Kc7 34. Qf4+ Kb7 35. Be4+ Ka6 36. Rxa4+ Nxa4 37. Qd6+ Ka5>

Not 37... Nb6?? 38. Ra1#.

<38. Qc7+ Kb4>

If 38...Nb6, then 39. Qxc5+ Ka4 (39... Ka6 40. Qb5#) 40. Bc2#.

<39. Rb1 Kc3>

If 39...Kxc4, then 40. Rc1+ Kd4 (40...Nc3 41. Qa5! ) 41. Qf4! .

<40. Qa5+ Kd4 41. Qd2+ Kxe4 42. Re1+>

Black resigns in lieu of 42...Kf5 43. Qd3+! Kg5 44. Rg1+ Kf4 (44... Kh6 45. Qe3+! Kh5 46. Qf3+ Kh6 47. Qf4+ Kh5 48. Qg4+ Kh6 49. Qxh4+ Qh5 50. Qxf6+ Kh7 51. Qg7#) 45. Rg4+ Ke5 46. Re4+ Kf5 47. Re7+ Kg5 48. Rxf7 .

Premium Chessgames Member
  Penguincw: I thought 29.Rxa4 Nxa4 30.Qb3+ Nb6 31.Qb5 would be good. :|
Apr-27-14  vajeer: I deviated from the text on move 37 with Qc7 instead of Qd6+. White threatens mate in one with 38. Bb7. 38....Rb8 fails to d8(Q) while Nb6 fails to Ra1+. So Black must continue with

38 Bb7+ Kb5
39 Rb1+ Nb2
40 Bc6+ Kb4 (Ka6 then Ra1+)
41 Qb7+ and black is doomed. I like this line better than the text unless I have missed any refutation.

Apr-27-14  Patriot: White is down 2 pawns for the bishop pair.


29...Bxd6 30.Bxd6 Nxc4 31.Qf3+ Kb6 32.Rhb1+ Ka5 33.Qc3+

29...Bxd6 30.Bxd6 Nc8 31.Qf3+ may be winning as well.

29...Qxc4 30.Qf3+ Nd5 31.Be4 looks pretty good.

29...Nxc4 30.Qf3+ Kb6 31.Rhb1+ looks similar to the first line.

I'll go with 29.d6.

Premium Chessgames Member
  gawain: Who is that guy, Espig, anyway? Wonderful king hunt. You don't have to be a GM to come up with a brilliancy.
Premium Chessgames Member
  agb2002: White has the bishop pair for a bishop, a knight and two pawns.

Black is probably considering 29... Bd6, blocking the d-pawn and trying to trade the dark square bishops.

White should open lines to make the most of the bishop pair and better piece coordination. This leads to 29.d6:

A) 29... Qxc4 30.Qf3+ Nd5 (30... Ka6 31.Bd3 + -; 30... Qd5 31.Be4 + -; 30... Kb8 31.d7+ + -) 31.Be4 Kc6 (31... Rxd6 32.Bxd6 + -) 32.Rhd1 + -.

B) 29... Nxc4 30.Qe4+ Kb8 (30... Ka6 31.Qc6+ and mate next; 30... Kb6 31.Rhb1+ and mate soon) 31.Rhb1+ Nb6 32.d6+ Bd6 33.Bxd6#.

C) 29... Bh6 30.Qf3+

C.1) 30... Ka6 31.Rxa4+ Nxa4 32.Qc6+ and mate next.

C.2) 30... Kb8 31.d6+ Bxf4 32.Qxf4+ Kb7 (32... Ka8 33.Be4+ wins) 33.Be4+ Ka6 34.Qd6 Qxc4 (34... Ka5 35.Qxc5+ Ka6 36.Qb5#) 35.Bd3 wins the queen.

D) 29... Bxd6 30.Bxd6 Nc8 31.Be4+ and mate in two.

Apr-27-14  morfishine: I guess tossing the Bishop at the end was the "insane" move


Premium Chessgames Member
  agb2002: I thought that 34.Qd6 in my line C.2 was more elegant than the other two moves I considered, 34.Rxa4+ and 34.Qc7, but missed 34... Qxd7 - +.

Ironically, the other two moves win.

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