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Mark Hebden vs John Nunn
London m/1 (1979)
King's Gambit: Accepted. Abbazia Defense (C36)  ·  0-1

ANALYSIS [x]

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sac: 24...Rb3 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
Jan-02-06  Timothy Glenn Forney: Nice smothered mate threat by Nunn.
Jan-02-06  Holden: There's no stopping the smothered mate.

<Sneaky> should have this game in his "crazy rooks" collection. 24...Rb3! 0-1

Jan-02-06  Timothy Glenn Forney: The position after 18.Rxa7 is quite entertaining,just look how many pins there are! all centered around the Knight on c7,a real tense position.
Jan-02-06  Timothy Glenn Forney: The exchange sac 23...Rxf3!! leads to a winning position,no matter what white does.
Jan-02-06  Timothy Glenn Forney: In fact I'm giving 24...Rb3!! This game is a forgotten brilliancy.
Jan-03-06  Timothy Glenn Forney: See J Kinlay vs Nunn, 1977 another brilliancy by Nunn with the Abbazia defense.
Jan-06-06  Castle In The Sky: Nunn ends the game with a nice example of the "windmill."
Jan-06-06
Premium Chessgames Member
  offramp: The Abbazia Defence, the Windmill and the Stoke-Adams Attack.
Jan-06-06  Timothy Glenn Forney: I guess its not a forced smothered mate,so windmill is the best definition of the ending.
Feb-14-06  MorphyMatt: <Timothy Glenn Forney> Not a forced mate? not 27. ♔g1 ♘h3++ 28. ♔h1 ♕g1+! 29. ♖xg1 ♘f2#?
Feb-14-06  Timothy Glenn Forney: Its not a forced 'smothered' mate,the King can go to f1 then mate,follows,so technically its not a smothered mate.Its a windmill as <Castle In The Sky> points out.If you look at my first kibitz I said that.
Feb-15-06  notyetagm: <MorphyMatt> I agree with you: this is a forced smothered mate. It is in fact called <Philidor's Legacy>.

The variation with ♔f1 ♕f2# is almost always part of this mating pattern. This threat is what forces the White king to go into the h1-corner from where he is then dragged out by the knight check on f2 to face the dreaded ... ♘h3++ double check.

Feb-15-06  notyetagm: 24 ... ♖b3!, attacking the White b6-queen defender to <REMOVE THE GUARD> of the critical d4-square.

If the d4-square (not the d4-pawn!) falls to the Black d7-queen, then Nunn will be able to play the standard Philidor's Legacy smothered mate: ... ♕d4+, ... ♘f2+, ... ♘h3++, ... ♕g1+, ... ♘f2#.

So Nunn attacks the defender (White b6-queen) with a non-attacker (Black f3-rook) from a square not in the defensive complex (b3-square) and dominates the defending queen, controlling all of the squares that the White queen needs to occupy in order to defend the d4-checking/mating focal point: b4, b6, c5, and d6.

White chooses to meet the threat to his queen by <CAPTURING> the attacking rook (25 ♕x♖) but this allows the smothered mate discussed previously.

Feb-15-06  notyetagm: The more I think about it the more I realize that the ending combination is clearly not a windmill. One discovered check does not a windmill make.

<A windmill is a series of discovered checks.> For example, see the incredible windmill played by Torre against Emmanuel Lasker(!) in Carlos Torre vs Lasker, 1925. In that game the windmill consists of the <series> of discovered checks 27 ♖g7xf7+, 29 ♖g7xb7+, and 31 ♖g7-g5+, each of these rook moves being a discovered check of the Black h8-king by the White f6-bishop.

Feb-15-06  Timothy Glenn Forney: <notyetagm> What you are calling a "windmill" I call a "see-saw",a windmill is done with a ♗ and ♘.A see-saw check is with the ♗ and ♖.As in--A Kupferstich vs J Andreassen, 1953 This famous game is an example of a windmill--D Byrne vs Fischer, 1956 In the Nunn game it is not forced the ♔ can go to f1,stopping the smothered mate to just a normal mate with ♘ and a ♔.
Feb-15-06  Timothy Glenn Forney: The person who really deserves the smothered mate named after him is Greco, since he had the first documented game with one.
May-08-07  twin phoenix: i don't understand why white doesn't try to win the exchange on move 17 Nxa8? what am i missing?
May-31-07  Timothy Glenn Forney: You are right 17.Nxa8 is winning.
Sep-28-08  smocard: What about Nxe6?
Nxe6 Qxe6 Ng5 Bxg5 Bd6 (or Bxg5 if you wish) etc.
Or...
Nxe6 fxe6 Bxc4 Rxf4 Ne5 etc.
Sep-28-08  smocard: Oops, forgot to mention...
Nxe6 fxe6 Bxc4 Nxc4 Ng5
Nov-19-09  Smothered Mate: too bad...

Hebden resigned instead of letting me happen.

Sep-05-14  Christoforus Polacco: <Timothy Glenn Forney> In your absurdity definition ''the smothered mate'' not exist at all :)) But maybe you are right :) It's not forced mate ... because Hebden resigned before checkmate :)

The smothered mate idea is that the player is not a suicide and don't want to make ritual Japanese harakiri (seppuku) :)

...............
The most interesting move in this spectacular game in ''good, old style'' is 21.... Kh8 :) Anticipation for weakness of center ?

Sep-05-14  hcgflynn: I thought white is winning after 21. - Kh8.

22. Ng5 or 22. Ne5 seems good. (Or else I'm blind.)

Nov-07-14  Christoforus Polacco: <hcgflynn>
Probably 21....Kh8 it was very psychological move :) Nunn gave his opponent the chance to make error ... :)
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