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Karoly Honfi vs Laszlo Barczay
Toth Memorial (1977), Kecskemet HUN, Mar-??
Sicilian Defense: Najdorf. Amsterdam Variation (B93)  ·  0-1



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Given 8 times; par: 53 [what's this?]

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sac: 29...Rxc4 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
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Apr-11-04  euripides: 29...Rxe4 is also interesting. 30 Qxe4 loses to 30...Qxb2+ so white must play 30 cb and Black can try 30...Qf5+ 31 Ka1 Rc2 32 Qe8+ Qf8 33 Qxf8+ Kxf8 34 Rb1 ab 35 Na5 b6 and 36 Nb7 will lose the knight, I think, so 36 Nc6 and Black's K-side majority plus the paralysis of White's K and R may win the game. Any thoughts ?
Apr-11-04  chessfected: 29...Rxe4 30. Qxe4 Qxb2+ 31. Rxb2 Nc3+ 32. Kc1 Nxe4 33. Rc2 should not lead anywhere for black; though he probably has compensation for the exchange.
Apr-11-04  Calculoso: That is some nice wisdom <kevin86>.
Apr-11-04  chrismiceli: I like Rxe4, but what do I know.
Apr-11-04  crafty: 29...♖xe4 30. ♕xe4 ♕xb2+ 31. ♖xb2 ♘c3+ 32. ♔c1 ♘xe4 33. ♖c2 =   (eval -0.14; depth 17 ply; 2000M nodes)
Apr-11-04  chessfected: thanks for the confirmation, crafty!
Apr-12-04  euripides: <chessfected> thanks. For some reason I thought Back had won a piece.
Apr-12-04  karlzen: After 29...Rxe4.... a likely end is 33...Nc3 34.Nd2 Ne2+ 35.Kd1 Nc3+ ½-½ a spectacular way to reach a draw! Or 34.Na5 Rc5 35.Nxb7 Rxc4 36.Nxd6 Nxa2+ 37.Kd2 Rxc2+ 38.Kxc2 Nb4+ 39.Kb3 Nxd5 40.Ne4 Be5 41.Rd1 Ne3 42.Rd8+ Kg7 43.Re8 Bd4 44.Re7+ Kg8 45.Rd7 Be5 46.Ka4 h5 and after fixating the h4-pawn it's a certain draw, so Crafty seems very right!
Mar-05-06  patzer2: Barczay's 29...Rxc4!! is listed as the solution to number 1183 in Chess Informant's 1980 "Encyclopedia of Chess Middlegames," and is classified as a decoy (spelled "dicoying" in this multi-language classic reference work).

This initial move (29...Rxc4!!) is the first of three decoys, including 30. Qxb2+! and 32...Qxb2+!, leading to the win of two pawns and a decisive position while recovering all of the material given up by these sham sacrifices. A Knight Fork and several deflections also play a key role in this combination.

Sep-08-08  sallom89: That is insane. . .
Sep-14-11  tacticalmonster: 1 Rxc4

a) 2 Qxc4? Qxb2+ 3 Rxb2 Na3+ 4 Kc1 Bxb2+ 5 Kxb2 Nxc4+ 6 Kc3 Rxe4 - Black is simply up two pawns

b) 2 Bxg6 Rxe2 3 Bxh7+ Kh8 4 Qxe2 Kxh7

Dec-12-16  clement41: Nice combo indeed!
Oct-10-20  Walter Glattke: The attacked knight can manage a queen check in a1 with king hunt, therefore 29.-Na3+ 30.Bxa3 Qa1+ 31.Kc2 Qxa2+ 32.Kd1 Qxa3 33.Nc1 Qa4+ 34.Qb3 Rxc4 but no more advantage then, so prepare attack with 29.-Rxe4 30.cxb5 Rxe2 31.Qxe2 Qf5+ 32.Ka1 Rc2 33.Qe8+ Bf8 34.Qe6+ Qxe6 35.dxe6 axb5 is "draw", too, but 32.-Qxd5 33.Rd1 Qxb5 34.QxQ axb5 no addtive win. They played 29.-Rxc4 30.Qxc4 Qxb2+ 31.Rxb2 Na3+ 32.Kc1 Bxb2+ 33.Kxb2 Nxc4+ 34.Kc3 Rxe4 is only a change, black has 2 pawns more in move 28, all combinations here are a change only with 2 pawns more resting.
Oct-10-20  Walter Glattke: The analysis seems not to be correct, anywhere black win pawns here, watch the variations above.
Oct-10-20  nalinw: 29.... Na3+ 30.bxa3 Qa1+

I tried that too ... but White has

31 Nxa1 ....

Oct-10-20  mel gibson: I didn't see that but I didn't look for long enough.

Stockfish 12 says:

29... Rxc4

(29. .. Rxc4 (♖c8xc4 ♕d3xc4
♕f6xb2+ ♖e2xb2 ♘b5-a3+ ♔b1-c1 ♗g7xb2+ ♔c1-d2 ♘a3xc4+ ♔d2-d3 ♘c4-e5+ ♔d3-c2 ♗b2-a3 h4-h5 ♖e8-c8+ ♔c2-d1 ♖c8-c4 ♗e4-b1 ♔g8-g7 ♖h1-h3 b7-b5 h5xg6 h7xg6 ♖h3-e3 ♔g7-f6 ♘b3-d2 ♖c4-c1+ ♔d1-e2 ♗a3-b4 ♘d2-e4+ ♔f6-e7 ♘e4xd6 ♖c1-e1+ ♔e2-f2 ♖e1xb1 ♖e3xe5+ ♔e7xd6 ♖e5-e6+ ♔d6xd5 ♖e6xa6 ♗b4-d6 ♔f2-e2 ♖b1-b4 ♖a6-a7 g6-g5 ♖a7-g7 g5-g4) +5.53/36 238)

score for Black +5.53 depth 36

Oct-10-20  Brenin: A very pretty combination! 29 ... Nxc3+ was threatened, so White needed reinforce the P on c3 with 29 Rc1 or Rc2; instead he played the apparently plausible move 29 c4, missing (as I did) the sac of the R and then Q, followed by the Na3+ fork and the loss of the hanging B on e4. At the end, the P on d5 is going to fall, leaving Black 3P ahead.
Premium Chessgames Member
  OhioChessFan: If 35. Kd3, Black escapes by 35...Rg4 36.h5 Ne5+ 37.Ke3 Ra4.
Oct-10-20  malt: Finally got it, spied the knight fork at a3, if 30.Q:c4,

how to get rid of the b2 pawn.

30...Q:b2+ 31.R:b2 Na3+ 32.Ka1/c1 B:b2+ 33.K:b2 N:c4+ picking up 2 pawns

Premium Chessgames Member
  agb2002: White threatens cxb5.

The knight so close to White's pieces suggests the possibility of forks. This invites to play 29... Rxc4:

A) 30.Qxc4 Qxb2+ 31.Rxb2 Na3+

A.1) 32.Ka1 Bxb2+ 33.Kxb2 Nxc4+ 34.Kc3 Rxe4 wins two pawns.

A.2) 32.Kc1 Bxb2+

A.2.a) 33.Kxb2 as in A.1.

A.2.b) 33.Kd2 Nxc4+ 34.Kd3 b5 wins two pawns.

A.2.c) 33.Kd1 Nxc4 as above.

B) 30.Rhe1 Rcxe4 wins decisive material (31.Rxe4 Qxb2#).

C) 30.Bf3 Rxe2 31.Qxe2 Rf4 looks good for Black.

D) 30.Bg2 Rxe2 31.Qxe2 Rxh4 looks interesting. For example, 32.Rxh4 Qxh4 33.Qe6+ Kf8 34.Qc8+ Kf7 35.Qxb7+ Qe7 36.Qxa6 Qe1+ 37.Nc1 (37.Kc2 Qe2+ 38.Nd2 Nd4+ wins) 37... Bxb2 38.Qc6 (38.Kxb2 Qc3+ 39.Kb1 Na3+ wins) 38... Bxc1 39.Qxc1 Na3+ 40.Kb2 Qb4+ 41.Ka1 Qd4+ 42.Qb2 Qd1+ and mate next.

Premium Chessgames Member
  catlover: At first I did not see the point of the beautiful combination. The story from the 2004 post by <kevin86> illustrates the point very well.
Oct-10-20  landshark: I was sniffing around the right idea of a R sac followed by the Q sac on b2 followed by a N fork recouping the Q - just trying to make it work starting with ....Rxe4, which wasn't working. I glanced at ....Rxc4!! and discarded it, not noticing the fork potential on a3, and falling for the typical club player's bane of not pursuing a winning move to its culmiation because of too much <immediate> material loss -

Beautiful combo!

Premium Chessgames Member
  Jimfromprovidence: This line is worth reporting.

29...Rxc4 30 Bf3 Rxe2 31 Qxe2 Qf5+ 32 Ka1 Bxb2+ 33 Qxb2 Qxf3.

click for larger view

I see that <agb2002> had a very similar idea. <C) 30.Bf3 Rxe2 31.Qxe2 Rf4 looks good for Black.>

Oct-10-20  RandomVisitor: The stars aligned perfectly for this tactical combination with the last 3 moves 28.Qd3 Rac8 29.c4. White was doing well, better might have been 29.Rc2:

click for larger view

NNUE evaluation using nn-baeb9ef2d183.nnue enabled

<62/101 3:58:58 +1.17 29.Rc2 Qf4 30.Nd2 Bxc3 31.bxc3 Na3+ 32.Kb2 Nxc2> 33.Kxc2 Re7 34.h5 Rec7 35.c4 b5 36.Re1 Qh2 37.Qe2 Qxh5 38.Qxh5 gxh5

Premium Chessgames Member
  Alex Schindler: wow this was a tough one. it's completely logical once you start thinking "if only that pawn weren't on b2" but the full sequence doesn't easily appear on one's radar.
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