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Reichert vs Emil Joseph Diemer
Germany (1950)
Bishop's Opening: Calabrese Countergambit (C23)  ·  0-1
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 4 OF 4 ·  Later Kibitzing>
Nov-09-09
Premium Chessgames Member
  Check It Out: This is the ol' sting in the tale this website has taught me to look for at the end of combinations. Must have been a surprise to Reichert!
Nov-09-09
Premium Chessgames Member
  patzer2: <beentere240> Oops! Oh well, can't accuse me of using a computer on that one. I suppose after 22. Nxf8 Qh6, White could try 23. Ne6+ Bxe6 24. Bxe6 Qxe6 25. Qb3 with an unbalanced but roughly even game.
Nov-09-09  Summerfruit: White is two pawns up.

22...Ng3+ 23.hxg3 Rh8+ 24.Qh5 Rxh5#

Nov-09-09  myratingstinks: 22 nxe7 is a horse bleep move. I know the monday puzzle is supposed to be very very easy, but this looks highly suspicious to me. The endgame is more than evident after 22 nxe7. I have never heard of this player, but he/she was either 4 years old or this is a fixed game.
Nov-09-09
Premium Chessgames Member
  beenthere240: It was an interesting (and pretty speculative) attack (20. Nfxg6+) but I think white got greedy and decided to win a whole piece (22. Nxe7) instead of the exchange (Nxf8). After all, it looks like after 22 Nxe7. white can easily extricate the knight via d5 -- also attacking the black queen. Reichert (probably a single-named rock star) probably thought that all black had was the win of the exchange by 22...Nf2+. Had he seen the threat he would have obviously played 22. Nxf8 if only to get rid of the rook.
Nov-09-09  ruinme: too easy! So obvious! Then again how many times might i have missed this mate in a blitz game cuz I was looking for something more complex?
Nov-09-09  ruinme: 19) Nf4 Qg1+ 20) RXQ Nf2++
Nov-09-09  ruinme: Sorry... I just realized the King can take.. the rook doesnt have to take. Clearly grandmasters wouldn't miss a mate in one
Nov-09-09  MaxxLange: these guys were not Grandmasters
Nov-09-09  Nullifidian: Saw this one instantly.

22... ♘g3+ 23. ♙hxg3▢ ♖h8+ 24. ♕h5▢ ♖xh5#

Why on earth didn't Reichert go for the rook, winning the exchange and maintaining a solid advantage?

Nov-09-09
Premium Chessgames Member
  Thrajin: <MaxxLange: these guys were not Grandmasters>

True, but for me Diemer's games are so much more appealing than those of many grandmasters. He had great tactical awareness and could find ways to press the action in almost any position, for better or worse.

Nov-09-09
Premium Chessgames Member
  David2009: Monday's problem Reichert vs E J Diemer, 1950 Black 22..?

Looks like a competitive game with White over-reaching.

There has to be better than the miserable 22...Nf2+ winning the exchange - and of course there is, 22...Ng3+ mates. Check:
====
Yes. Interesting game. Interesting comments: <dzechiel: [snip] Then their third thought should be, "There's gotta be more in this position than a simple exchange. What other forcing moves do we have?"> Mind reader! <FSR: ... 22.Nxf8! Kxf8 (or 22...Bxf8) 23.Qh5! looks very strong.> Yes <sfm: <FSR>That is no overstatement. On 22.Nxf8 I think Black only has 22.-,Qh6>> 22.Nxf8! Qh6! 23 Kg1 Qe3+ repeats: can either side do better?

Nov-09-09
Premium Chessgames Member
  David2009: <patzer2: <beentere240> Oops! Oh well, can't accuse me of using a computer on that one. I suppose after 22. Nxf8 Qh6, White could try 23. Ne6+ Bxe6 24. Bxe6 Qxe6 25. Qb3 with an unbalanced but roughly even game.> The computer (Crafty) interpolates 24 ...Rh8 instead of 24...Qxe6. So far I have lost steadily as White except when I play 23 Kg1 and draw by repetition. This probably tells you more about my lack of skill than the objective merits of the position - an unbalanced ending RPP versus BN or BB.

Crafty link: http://www.chessvideos.tv/endgame-t...

Nov-09-09  MaxxLange: <Thrajin> One can definitely learn a lot of tactics from his games
Nov-09-09
Premium Chessgames Member
  beenthere240: On move 19. Nf4 white is threatening mate with 2 knight checks on g6. When 19... g6 is played, While probably figured he could go right ahead with his attack and regain his piece by capturing the e7 bishop. I'll bet he just rattled off the moves without pausing for a deep think. I've lost a few won games in this fashion. Quite a few.
Nov-09-09  ROO.BOOKAROO: These Monday puzzles are refreshing and encouraging for a beginner like me who could immediately spot the mating line: keep the dark g1-a7 diagonal controlled by the Queen and simply open the h file for the Rook with the nimble Knight. A perfectly smooth set-up.
Nov-09-09
Premium Chessgames Member
  beenthere240: White can escape immediate disaster by playing 23. Rf3 and then 24. Kg1 when (as <David2009> points out), he is playing with a rook and 2 pawns agains a 2 minor pieces and it's hard not to get sliced to ribbons. If it's a 1.5 point advantage for white as <TheaN> claims, good luck.
Nov-09-09  WhiteRook48: 22...Ng3+ 23 hxg3 Rh8+. too easy, however I almost went for 22...Nf2+ instead
Nov-09-09  TheaN: <beenthere240: If it's a 1.5 point advantage for white as <TheaN> claims, good luck.>

Which doesn't originate from the material deficit, more from the position. Black is no longer calling the shots. It was preliminary analysis though, maybe Qh6 is better than Qg5. Still, after Nxf8 Black is in hot water, compared to Nxe7.... well, you know what happened after that :).

Nov-09-09  FlashinthePan: <Manic:<FlashinthePan> Sorry to spoil your fun, but 23.Kxg1 wouldn't be funny at all if your black.> You're right, I realized that shortly after posting, but I got carried away by that unusual mate and neglected to analyse the Kxg1 variation.
Nov-09-09
Premium Chessgames Member
  patzer2: <David2009> Thanks! Looks like Crafty shot down my 22. Nxe8! Qh6! 23. Ne6+?! Bxe6 24. Bxe6?! idea with the clever intemezzo 24...Rh8! .

So back to the drawing board. After 22. Nxe8! Qh6! let's try 23. Qf3! , when Fritz gives one possible winning continuation as 23...Bxf8?! (better is 23...Bh4! 24. Rad1 ) 24. Rae1 Nd2 25. Qg3+ Kf6 26. Qe5+ Kg6 27. Be6 Bxe6 28. Qxe6+ Kg7 29. Qd7+ Kh8 30. Rxf5 Ne4 31. Rf7 Ng5 32. Rf4 Qg7 33. Qf5 Nh7 34. Rh4 c6 35. Re3 Be7 36. Rg3 Bxh4 37. Rxg7 Kxg7 38. Qg4+ Bg5 39. h4 .

Nov-09-09
Premium Chessgames Member
  patzer2: <David2009><22.Nxf8! Qh6! 23 Kg1 Qe3+ repeats: can either side do better?> After a long look with Fritz, I'm convinced 22. Nxe8! Qh6! 23. Qf3! to is with strong play a win for White.

One possibility per Fritz is 22. Nxf8! Qh6! 23. Qf3! Bh4 24. Rad1! Bg3 25. h3 Bh4 26. Kg1! Qf6 27. Qf4 Bg3 28. Qxe4 fxe4 29. Rxf6 Kxf6 30. Rf1+ Bf5 31. Be6 Rxf8 32. Rxf5+ Ke7 33. Rxf8 Kxf8 34. Kf1 (+2.50 @ 17 depth) when White's two extra pawns give him all the winning chances in an opposite color Bishop endgame.

P.S.: Of course finding this OTB could be extremely difficult.

Nov-09-09  muralman: I got it, but it was not that easy for me.
Nov-09-09  ComboKal: This position should have never happened! <22.Nxe7?> At any level, one should have a sense of wether their king is in immediate danger. Here we see right away that the white king can be checked three ways, and each should be briefly explored before making a non-forcing move. If you do this, you will see the forced mate in just a few seconds.
Nov-10-09
Premium Chessgames Member
  David2009: <patzer2: <David2009><22.Nxf8! Qh6! 23 Kg1 Qe3+ repeats: can either side do better?> After a long look with Fritz, I'm convinced 22. Nxe8! Qh6! 23. Qf3! is with strong play a win for White. One possibility per Fritz is 22. Nxf8! Qh6! 23. Qf3! Bh4 24. Rad1! Bg3 25. h3 Bh4 26. Kg1! Qf6 27. Qf4 Bg3 28. Qxe4 fxe4 29. Rxf6 Kxf6 30. Rf1+ Bf5 31. Be6 Rxf8 32. Rxf5+ Ke7 33. Rxf8 Kxf8 34. Kf1 (+2.50 @ 17 depth) when White's two extra pawns give him all the winning chances in an opposite color Bishop endgame.>

Many thanks for this. I tried Fritz's moves against Crafty getting to the following purple patch: 22. Nxf8! Qh6! 23. Qf3! Bh4 24. Rad1! and now Crafty plays Ng3+ 25 Kg1 (forced) Nxf1


click for larger view

Qd5! (23 Qf3 had been one of the many lines I had tried [and lost] against Crafty earlier. Before I saw your post I had played the automatic Rxf1? and lost to Kxf8. Knowing that the line is good inspired me to look further: thank you. Computers can be beaten!)

26...Qf6 (note that Crafty is not tempted by the adventure Qe3+ 27 Kh1 and White checkmates first) 27 Qg8+ Kh6 28 Kxf1 Qg7 (objectively best otherwise Crafty wouldn't play it, but White (me!) is delighted to see this move) 29 Qxg7+ Kxg7 30 Ne6+ Bxe6 31 Bxe6 Rh8 (Crafty sacrifices a third Pawn - what is the catch?) 32 Bxf5 Bf6 33 h3 Rd8 (one Pawn goes!)


click for larger view

Reichert-Diemer 1950 var, 34? 34 d5 Bxb2 35 Rxd6 Bf6 (a human player might have avoided the Rook exchange with ...Rf8) 36 Rxd8 Bxd8 37 Bc8 Be7 38 Bxb7 Bxc5 39 Bxa6 Bd7 40 g3 and wins easily. White's plan is to advance the K side Pawns to h5 and g4 (allowing them to be blockaded) and/or advance the a pawn, protect them with the Bishop and then advance the a pawn supported by the King, so winning Black's Bishop. Black can do nothing against this plan. Without the a pawn, the two untited passed Pawns are not enough to win against the B of opposite colour: however the a and g Pawns (without the h pawn) would be. Reference: http://www.k4it.de/index.php?topic=... (six man Nalimov database).

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