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Marcel Defosse vs Frank
Belgium (1977), BEL
Queen's Indian Defense: Kasparov Variation (E12)  ·  0-1

ANALYSIS [x]

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sac: 13...Ng5 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
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Apr-01-20  vpandzharov: 14...Nxf3+ 15. Kh1 Rxh4 16. Kg2 Ne1+ 17. Kg3 Rg4+ 18. Kh3 Bg2# 14...Nxf3+ 15. Kg2 Ne1+ 16. Kg3 Rg6+ 17. Kf4 Rg4+ 18. Ke5 Nf3# 14...Nxf3+ 15. Kg2 Ne1+ 16. Kg3 Rg6+ 17. Kf4 Ng2+ 18. Ke5 d6# 14...Nxf3+ 15. Kg2 Ne1+ 16. Kh3 Bg2+ 17. Kg3 Rg6+ 18. Kf4 Rg4+ 19. Ke5 Nf3#
Apr-01-20  saturn2: Black deflects the defender Nf3 by 13...Ng514.gxh4Nxf3+15.Kg2Ne1+

a. 16.Kh3Nxc217.Bxc2g5 winning just pawn

b. 16.Kg3(Walter Glattke) Rg6+17.Kf4Ng2+18.Ke5d6 mate

Apr-01-20
Premium Chessgames Member
  patfoley: 14 ... Nf3
15 ... Rg6
16 ... Rg4
17 ... Nc6 completes development
Apr-01-20  Brenin: 13 ...Ng4 14 gxh4 Nxf3+ 15 Kh1 (if Kg2 then Ne1+ 16 Kh3 Bg2+ 17 Kg3 Rg6+ 18 Kf4 Rg4+ 18 Ke5 Nc6 mate) Rxh4 16 h3 (if Kg2 then Ne1+ again leads to mate) Nxd4+ 17 Kh2 Nxc2 18 Bxc2 Na6, and Black is two pawns up with a much better position.
Apr-01-20  RandomVisitor: It looks like 13...Qh3 is playable here. In the 13...Ng5 line below, black wins his sacrificed queen back and ends up by a few pawns.


click for larger view

Stockfish_20033022_x64_modern:

<47/80 33:20 -6.96 13...Qh3 14.d5 Nc6> 15.Nh4 Ne5 16.Bxe4 fxe4 17.f4 exf3 18.Nxf3 Rf8 19.Qg2 Qxg2+ 20.Kxg2 Rhf6 21.Nd2 Rxf1 22.Nxf1 exd5 23.e4 dxc4 24.Bf4 Bxe4+ 25.Kf2 Nd3+ 26.Ke3 Bg2 27.Ke2 Nxf4+ 28.gxf4 Rxf4 29.Ng3 Kf7 30.Rg1 Bc6 31.Nf1 Rh4 32.Ke1 Be4

47/73 33:20 -4.63 13...Ng5 14.gxh4 Nxf3+ 15.Kh1 Rxh4 16.h3 Nxd4+ 17.Kh2 Nxc2 18.Bxc2 Na6 19.a4 Rxc4 20.Bd2 Nc5 21.a5 bxa5 22.Rxa5 Be4 23.Bd1 Bd3 24.Rg1 a6 25.Bf3 Rb8 26.Ra2 Kf7 27.Rga1 d6 28.Be1 g6 29.Kg3 g5 30.Kh2 Kf6 31.Bg2 h5 32.f3 Kf7

47/79 33:20 -2.90 13...Qh5 14.d5 exd5 15.Nh4 g5 16.Be2 Qf7 17.Ng2 dxc4 18.f3 Qh5 19.h4 Nxg3 20.e4 Rc6 21.Bxg5 h6 22.Bf4 Nxe2+ 23.Qxe2 fxe4 24.Qxe4 Na6 25.Rae1 Rf8 26.Bd2 Nc5 27.Qxc4+ Kh8 28.Qd4+ Rcf6 29.c4 Ne6 30.Qxd7 Qc5+ 31.Be3 Qxc4 32.Rc1 Qb3

Apr-01-20  Tomate: After 13...Ng5 14.gxh4 Nxf3+ there are two lines:

a) 15.Kg2 Ne1++ 16.Kh3 Bg2+ 17.Kg3 Rg6+ 18.Kf4 Rg4+ 19. Ke5 Nc6#

b) 15.Kh1 (with the idea of playing f3
on Ne1+) Rxh4 (grabbing a pawn as a preparation of the ending. This treathens the arabian mate Rxh2#) 16.h3 Nxd4+ (grabbing another pawn is better than Ne1+) 17.Kh2 Nxc2 18.Qxc2 Black is two pawn up, and white position offers mo chance: the remaining pawn are weak, especially the isolated c3-c4.

Apr-01-20  RandomVisitor: On 13...Qh3 there is 14.d5 or 14.Nh4


click for larger view

Stockfish_20033022_x64_modern:

<44/82 34:24 -7.13 14.d5> Nc6 15.Nh4 Ne5 16.Bxe4 fxe4 17.f4 exf3 18.Nxf3 Rf8 19.Qg2 Qxg2+ 20.Kxg2 Rhf6 21.Nd2 Rxf1 22.Nxf1 exd5 23.e4 dxc4 24.Bf4 Bxe4+ 25.Kg1 Nd3 26.Nd2 Nxf4 27.gxf4 Rxf4 28.Nxc4 Rg4+ 29.Kf2 Rg2+ 30.Ke3 Bf5 31.Nd2 Rxh2 32.Rf1 Be6 33.Rc1 Rh3+

<44/68 34:24 -8.32 14.Nh4> Qxh4 15.f3 Nxg3 16.Rf2 Nh5 17.Qe2 Qh3 18.Qf1 Rg6+ 19.Rg2 Qxg2+ 20.Qxg2 Bxf3 21.Qxg6 hxg6 22.Bd2 Nc6 23.Be1 Be4 24.Bf1 Kf7 25.Ra2 Nf6 26.Be2 g5 27.a4 Na5 28.Rb2 Rh8 29.c5 bxc5 30.dxc5 f4 31.exf4 gxf4 32.c6 Nxc6 33.Bd2 f3

43/68 34:24 -21.41 14.Bxe4 Bxe4 15.Nh4 Bxc2 16.f3 Bd3 17.Rf2 g5 18.e4 f4 19.Rg2 Bxc4 20.Rb1 Na6 21.Bd2 Rh5 22.Kf2 Kf7 23.Rc1 Rg8 24.a4 Nb8 25.Rcg1 Nc6 26.Rb1 fxg3+ 27.Rxg3 Qxh4 28.h3 d5 29.Re1 Bd3 30.Re3 Bc2 31.Be1 Bxa4 32.Bd2 Na5 33.Re1 Bc2

Apr-01-20  Brenin: White's Chessgames profile is not inspiring: see Koltanowski vs M Defosse, 1936 for another quick loss in a 2009 game of the day. According to Wikipedia "Marcel Defosse (19062000) was a Belgian journalist who used the name Denis Marion. Defosse played for Belgium in the 1937 Chess Olympiad." He published a number of books, mainly on the cinema.
Apr-01-20
Premium Chessgames Member
  MissScarlett: Reminded me of


click for larger view

from Paulsen vs H Montgomery, 1857

Apr-01-20
Premium Chessgames Member
  chrisowen: The Bfg no?
Apr-01-20  Tomate: The date 1977 is incorrect: the game already appeared in a 1974 book of Camil Seneca (in French). BTW Seneca indicates Bruxelles 1947 for the game. According to him, the game continues as follows:

14.gxh4 Nxf3+ 15.Kg2 Ne1++ 16.Kg3 Rg6+
17.Kf4 Rg4+ 18.Ke5 Nf3#

I do not believe White resigned after 14.gxh4. White played quite poorly (Nd2, g3) and suddently he is able to foresee his own end which is not that obvious, especially if he plays 15.Kh1.

Apr-01-20
Premium Chessgames Member
  perfidious: Believe this miniature was in Reinfeld's <The Complete Chess Course>, without attribution--I definitely remember the motif from this, which often arises from the Nimzo-Indian instead (4.e3 b6 5.Nf3 Ne4 6.Qc2 Bb7).
Apr-01-20
Premium Chessgames Member
  agb2002: Black has a bishop and a knight for the bishop pair.

White threatens Nxg4 and gxh4.

The weak light squares around the white king suggest 13... Qh3:

A) 14.Rd1 Ng5 15.Ne1 (15.Nxg5 Qg2#; 15.Nh4 Rxh4 16.gxh4 Nf3+ 17.Kh1 Qxh2#) 15... Nf3+ 16.Nxf3 Bxf3 17.Bf1 Qxh2#.

B) 14.Be2 Ng5 wins (15.d5 Nxf3+ 16.Bxf3 Qxh2#).

C) 14.Nh4 Rxh4 15.gxh4 Qg4+ 16.Kh1 Nxf2#.

D) 14.Bxe4 Bxe4 15.Qe2 Bxf3 wins.

E) 14.d5 Ng5 15.Nh4 Rxh4 16.gxh4 Nf3+ 16.Kh1 Qxh2#.

Apr-01-20  Walter Glattke: Saturn2 I thought, Kh3 will be answered with Bg2, so 16.Kh3 Bg2+ 17.Kg3 Rg6+ 18.Kf4 Rg4+ 19.Ke4 Nc6# transposed similar to the other variation. I saw that check in the morning, and others, Brenin, say that, 16.-Nxc2 17.Bxc2 g5 18.Rg1 Rh4+ 19.Kg3 only little advantage for black.
Apr-01-20
Premium Chessgames Member
  agb2002: I missed 16.f4, complicating things a lot, in my line E.
Apr-01-20  Walter Glattke: C2) 14.Nh4 Rxh4 15.f4 Nxg3 16.Rf2 no mate but lose.
Apr-01-20  TheaN: I saw pretty much all variations in this combination, though I played a <losing> one in the main line.

After <13....Ng5> (which might not be best but looks pleasing) <14.gxh4> anything else is mate via Nxf3, Qxh2 or Nh3, whatever applies <14....Nxf3+>. Sadly, the inverse combination doesn't work: 14....Nh3?! 15.Kg2 Rg6+ 16.Kxh3 Bxf3, but now 17.Rg1! Rxg1 18.h5! if 18....Rg4? 19.Bxf5 +-. <15.Kh1> White's mated beautifully by double check after 15.Kg2? Ne1++ 16.Kh3 Bg2+ 17.Kg3 Rg6+ 18.Kf4 Rg4+ 19.Ke5 Nc6#. <15....Rxh4 16.h3> else Rxh2#.


click for larger view

This is one of those tricky combination positions where you'll have to reevaluate. What did we invest, Q for N+P, but we can win the queen back with another pawn for the knight with 16....Nxd4+ 17.Kh2 Nxc2. Net result, 2P, eventually 3P because Pc4 is eternally weak. In fact, this is Black's only winning move.

I opted to go for 16....Rxh3+? 17.Kg2 Rh2+ 18.Kg3 h5?. The idea to continue the attack is courageous but ill-fated, as this idea fails due to the very simple 19.d5 +-.

Black has invested, can regain with interest and should, even though the position <may> not ask for it. That said, White did resign prematurely, probably expecting mate which is not there. Not directly, at least.

Apr-01-20  schachfuchs: I missed the double check (and mate) in the line 13... Ng5 14.gxh4 Nxf3+ 15.Kh1 Rxh4 16.Kg2 Ne1+ 17.Kg3 Rg4+ 18.Kh3 Bg2#

Of course, a bit more resistance provides 16.h3 Nxd4+ 17.Kh2 Nxc2 -3.0

Apr-01-20
Premium Chessgames Member
  paavoh: Took a while to see 13...Ng5! 14.gxh4 Nxf3+ 15.Kg2 Nxd4+ 16.Kg3 Rg6+ (16.Kg1 Rg6#; 16.Kh3 Nxc2 17.Bxc2 g5 ∓) 17. Kf4 Rg4+ 18. Ke5 d6#.
Apr-01-20
Premium Chessgames Member
  TheAlchemist: Similar are V Litvinov vs Veresov, 1958, Bellon-Pfleger, Plachetka vs L Zinn, 1974
Apr-01-20  scormus: What is the lesson from this puzzle?

Perhaps that things are sometimes not as they seem.

Quite appropriate for 1 April. Kudos CG!

Apr-01-20
Premium Chessgames Member
  chrisowen: Brilliant!
Apr-01-20
Premium Chessgames Member
  takchess: Perfect for April Fools Day . It has a feel for those positions were Ng5 is a quick easy solution with a final checkmate with a Knight and Bishop on F3 and H3. this is more complex.
Nice to see the chessgames.com mascot is wearing a Jesters cap. Cheers .
Apr-01-20
Premium Chessgames Member
  WorstPlayerEver: Think I must've seen it before. So it must be an old game.
Apr-01-20  RandomVisitor: A final look at 13...Qh3


click for larger view

Stockfish_20033022_x64_modern:

<53/92 13:19:33 -7.08 14.d5 Nc6 15.Bxe4 fxe4 16.Qxe4> g5 17.Rd1 Rf8 18.Ra2 Na5 19.Rd4 Nb3 20.Nh4 gxh4 21.Qg4+ Qxg4 22.Rxg4+ Rg6 23.Rxg6+ hxg6 24.Rc2 hxg3 25.fxg3 exd5 26.cxd5 Nxc1 27.Rxc1 Bxd5 28.c4 Bc6 29.c5 Rf5 30.cxb6 axb6 31.Rc3 Rb5 32.h4 Rb2 33.Kf1 Kf7

53/99 13:19:33 -9.44 14.Nh4 Qxh4 15.f3 Nxg3 16.Rf2 Rg6 17.hxg3 Rxg3+ 18.Rg2 Rxf3 19.Bf1 Rh3 20.Rh2 Qg4+ 21.Rg2 Bxg2 22.Bxg2 Nc6 23.Ra2 Rf8 24.Qe2 Qg6 25.Rc2 Na5 26.Rb2 f4 27.exf4 Rxc3 28.Qe1 Rxa3 29.c5 Nc4 30.Re2 Rg3 31.Kh2 Rd3 32.Be4 Qh5+ 33.Kg1 Qg4+

52/79 13:19:33 -25.07 14.Bxe4 Bxe4 15.Nh4 Bxc2 16.f3 Bd3 17.Rf2 g5 18.e4 f4 19.Rg2 Bxc4 20.Rb1 Na6 21.Rbb2 Kf7 22.Rbf2 gxh4 23.g4 Rg6 24.g5 Rag8 25.Bxf4 h6 26.Rg4 hxg5 27.Bg3 d6 28.Rg2 hxg3 29.R4xg3 Qh4 30.h3 Qf4 31.e5 Qc1+ 32.Kh2 Qxc3 33.exd6 Qxd4

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