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Joerg Bethmann vs Peter Leisebein
corres DDR/BRD (1990) (correspondence)
Vienna Game: Stanley Variation. Meitner-Mieses Gambit (C23)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
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Dec-22-09
Premium Chessgames Member
  johnlspouge: Tuesday (Easy)

J Bethmann vs P Leisebein, 1990 (11.?)

White to play and win.

Material: B for N+P. The Black Kf8 has 2 legal moves, both light squares on the back rank. The White Rf8 pins Pf7 to Kf8. The White Bc4 also attacks Pf7, with Qg4 and Nh3 able to reinforce a sacrificial attack.

Candidates (11.): Rxf7+, Bxf7

[11.Rxf7+ Nxf7 12.Qf3 d5 13.Ng5 Bf5 (threatening 14.Nxg5) holds]

11.Bxf7

(1) Black can accept the sacrifice:

11…Nxf7 12.Qf3 (threatening 13.Qxf7#)

12…Ke8 [Nf5 13.Qxf5 Ke8 14.Qxf7+ Kd8 is hopeless]

13.Qxf7+ Kd8 14.Qf8+ Rxf8 15.Qxf8#

(2) Black can decline the sacrifice, but after 12.Bc4+ Ke8 13.Qxg7, his K is under extreme fire without material compensation.

Dec-22-09  cyclon: 11.Bxf7 cufflinks, because -Nxf7 (-h5 12.Bd5+ and Qxg7, or -d5 12.Bxd5+) 12.Qf3 Ke8 13.Qxf7+ Kd8 14.Qf8+ mates.
Dec-22-09  cyclon: <sethoflagos: Another futile defence to add to the list:

11 Bxf7 Ng8
12 Bc4+>
I`d play in case of 11.-Ng8, instead of 12.Bc4+, > 12.Bxg8+ Kxg8 (-Ke7 13.Qxg7+ is also hopeless) 13.BH6 Ne6 (-g6 14.Rf8X) 14.Qf5 Nf4 (-g6 14.Qf8+ Nxf8 15.Rxf8X, or -gxh6 14.Qf7X) 15.Ng5 still mates.

Dec-22-09
Premium Chessgames Member
  kevin86: There IS NO way to defend the knight!
Dec-22-09  zanshin: Actually, Black started to go wrong as early as move 4.
Dec-22-09  YouRang: It took me a surprisingly long time to get it. :-\
Dec-22-09  TheChessGuy: <Marmot PFL> Deutsche Demokratische Republik.
Dec-22-09  David2009: Tuesday's puzzle J Bethmann vs P Leisebein, 1990 White 11?

11 Bxf7 wins back the sacrificed Pawn and exposes the Black K: e.g. ...Nxf7 12 Qf3 Ke8 13 Qxf7+ Kd8 14 Qf8+ Rxf8 15 Rxf8#. It is difficult to find a satisfactory line for Black. Time to find out how the game went:
====


click for larger view

Bethmann vs Leisebein 11?

11 ...Nxf7 was a blunder, Black has to sacrifice a lost of material to avoid mate after 12 Qf3, hence 12...Resigns. Much better was 11 ...d6 limiting losses to a Pawn after 12 Be6+. Crafty defending as Black plays 11 ...d6 and there could follow 12 Be6+ Ke8 13 Bxc8 Rxc8 14 Qxg7 Rg8 15 Qxh7 Rxg2 16 Ng5 Rg1 and there is a lost of play left. On-line link: http://www.chessvideos.tv/endgame-t... You are white, drag and drop the move you want to make.

Dec-22-09
Premium Chessgames Member
  whiteshark: According to MegaCorr database played in <1980>.
Dec-22-09  Eisenheim: I admit that I missed this easy line at first! I thought about trying to corner the black queen with an ultimate c3 and by starting with an elegant 11 Rf6, and then I said waaaay too complicated for a Tuesday and sac'd the bishop for the correct line. Shows you how easy it is to go astray and OTB I may have missed this lay-up
Dec-22-09  GreenFacedPatzer: <agb2002> I don't think 12 ... d5 saves black in the 11 Rxf7+ Nxf7 12 Qf3 line (which was my solution). After 12 ... d5 13 Ng5 , black is just as dead (it just takes a little longer.)
Dec-22-09
Premium Chessgames Member
  sethoflagos: <cyclon> good line.
Dec-22-09  MiCrooks: Not to mention TheaN that after Ng5 the Queen can no longer GET to g7 as the Knight is now in the way.
Dec-22-09  cyclon: <David200911 ...d6 limiting losses to a Pawn after 12 Be6+. Crafty defending as Black plays 11 ...d6 and there could follow 12 Be6+ Ke8 13 Bxc8 Rxc8 14 Qxg7 Rg8 15 Qxh7 Rxg2 16 Ng5 Rg1 and there is a lost of play left.> I don`t know about Crafty, but in case of 11. -d6, I`d play (instead of 12.Be6?) 12.BG6+ Kg8 (-Bf5, or -Nf5 13.Bxf5 just wins a piece) 13.Qf3 hxg6 14.Qf8+ Kh7 15.Ng5+ Kh6 16.Qxh8X. Even try (after 12.BG6+) 12. -Nf7, fails to 13.Qf3, which simply wins a piece, but not an unclear 13.Rxf7+.
Dec-22-09  WhiteRook48: I had 11 Rxf7+ Nxf7 12 Qf3
Dec-22-09
Premium Chessgames Member
  patzer2: For today's Tuesday puzzle solution, White plays 11. Bxf7! which yields a decisive attack on the helpless King after 11...Nxf7 12. Qf3! .

In the final position, 12...Ke8 leads to the quick back rank mate 13. Qxf7+ Kd8 14. Qf8+ Rxf8 15. Rxf8# and 12...Nf5 13. Qxf5 wins a piece with a crushing attack.

Dec-22-09  dumbgai: Losing in 12 moves in correspondence takes some special talent.
Dec-22-09  BOSTER: Let's see what was happened if black played 7...h5 8.Qg5 Qd4
9.d3 Be7
Is this position really undefended?
Dec-22-09  Dr. J: <capanegra: <this game looks more like 1890 than 1990! romantic chess> Actually, the first eight moves are identical to Mieses vs Chigorin, 1906>

Here's a prettier one with this opening: I A Horowitz vs NN, 1940

Dec-23-09  TheBish: J Bethmann vs P Leisebein, 1990

White to play (11.?) "Easy"

Forgot to post this earlier -- too busy trying to win a prize, which I finally did! ;)

11. Bxf7! Nxf7 12. Qf3 is crushing... a day late (minutes actually) and a dollar short on posting, but others have already done that fully, no doubt.

Dec-23-09  TheBish: I forgot to mention that after 12...Ke8 it's mate in 3, i.e. 13. Qxf7+ Kd8 14. Qf8+ Rxf8 15. Rxf8#.
Dec-23-09
Premium Chessgames Member
  patzer2: <David2009><Much better was 11 ...d6 limiting losses to a Pawn after 12 Be6+.> After 11...d6 12. Bc4+! Black is busted. Also winning and improving on the Crafty line is 11...d6 12. Be6+ Ke8 13. Qxg7!

Perhaps Black needs to make an improvement earlier in the opening. Although 4...Qf6 is listed as the most popular reply in our opening explorer, I think it's not necessarily the best choice here. My preference is 4...g6 as in M De Mie vs F Naes, 2001. Also perhaps worth considering is 4...Bf8 as in Z Stojcevski vs K Vebic, 2009.

P.S. An interesting game in the 4...Bf8 line is White's win in B Lengyel vs N Adams, 2006.

Dec-23-09  sneaky pete: <BOSTER> 7... h5 8.Qg5 Qd4 9.d3 Be7 has been played, see R Grosshans vs H Wundt, 1989.

After 10.Qg3 ..


click for larger view

black's position is very difficult.

Leisebein, in his notes to this game, mentions another game from the same tournament, where 7... h5 was played:

7... h5!? scheint doch kein "Heilmittel" für die ramonierte Variante zu sein: 8.♕g5!? ♕d4 9.d3 ♗e7 10.♕g3 ♘f6 11.c3 ♕c5 12.♘xc7 .. mit überlegender Stellung! Leisebein-Bethmann, corr 1989, gleiches Turnier.

I couldn't find the word <ramonierte> in my dictionary, but it doesn't sound inviting.

Dec-23-09
Premium Chessgames Member
  whiteshark: <sneaky pete <ramponiert>> battered
Dec-23-09  sneaky pete: <whiteshark> Thank you, it should be <ramponiert> indeed. Not my mistake this time, but a typo in the invaluable "500 Brandneue Gambitpartien, Band 2".

I now recognize the origin (ram, common in old German, Dutch and English) of the word <ramponieren>. 10 or 20 strong men with helmets and shields, holding a big pole and battering it against a castle wall or door. The Dutch word is rammeien or (in pornographic literature) rampe(s)tampen.

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