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Ludwig Rellstab vs Miguel Najdorf
Bled (1950), rd 5, Oct-??
King's Indian Defense: Orthodox Variation (E94)  ·  0-1

ANALYSIS [x]

FEN COPIED

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Given 53 times; par: 24 [what's this?]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Jan-19-05  maxundmoritz: <patzer2> Do you see this game as won? After 23.Qxd8 and the line from above, does Black have enough material advantage (R vs. B and pawn) to force a win? Or does White have legitimate hope for a draw?
Jan-19-05
Premium Chessgames Member
  patzer2: The solution to today's puzzle is the beautiful obstruction or interference move 21...Bd4!, forcing the win of the exchange with an endgame advantage.

However, after the best defense with <23.Qxd8 Rxc1 24.Bxc1 Nxe2+ 25. Kf2 Rxd8 26. Kxe2> , pointed out by <Maxundmoritz>, White, with an extra pawn and an active Bishop for the exchange, has excellent practical drawing chances.

Jan-20-05  who: I think that 15 Nbd5 was brilliant and leads directly to 18. NxR QxN where white has a rook and two pawns for two pieces. if 19. f4 Nc6 (Ned7 leads to trouble after c5 Na4 e5 threatening b3 and Bb5.) 20. e5 leaves white up a pawn and after placing his bishop on f3 can attempt to push his queenside pawns the game certainly even if not in white's favor. i think white got a bit greedy with 18.c5 with the idea of winning back the knight, he simply missed the tactical reply 21...Bd4! otherwise his game play was not only sound but really impressive.

On a seperate note i think that white invisioned 17...Re7 with strong attacking possibilities i'm not sure what follows after that but c5 Bg5 and NxB all look very strong.

Jan-20-05  who: Whites best chances after 21. Bd4 lie with 23 Qxd8 Rexd8 24 Kxe2 leaving white with a RBP v RR endgame
Jan-21-05  euripides: <who> After 23 Qxd8, 23...Rxc1+ as patzer and max suggest above looks better, as drawing chances are usually reduced by the exchange of rooks.
Nov-18-07
Premium Chessgames Member
  hesyrett: 19 c6? blew it.  What's the rush?  After 19 f4 ♘c6 20 b4 White has two ♙s and a bind for his piece, plus numerous threats, e.g. 21 b5 followed by 22 c6, or 21 ♗c4 followed by 22 a3 and 23 ♕a2.  Under no circumstances should White swap his monster ♘ on d6 for Black's passive ♖ or ♗.
Jan-30-10
Premium Chessgames Member
  Fusilli: Position after 14...Nfd7:


click for larger view

15.Ndb5! And White gets decisive advantage soon, but blows it, as <hesyrett> put it, with 19.c6? probably (as <noone2> said) because he didn't see Black's ingenious defense after 21.Qxd7:


click for larger view

21...Bd4! and the tables turn.

Najdorf was not considered to be too strong with openings, but he was known to be an extremely resourceful and dangerous middle game player. This game serves as illustration for both claims.

Apr-10-10  SpiritedReposte: 21. ...Bd4! is just money. Tough to see at least for me.(Ludwig too I guess!) No draw here. Black threatens both bishops, one with a knight fork at e2 the other directly with the rook. And go figure b5 is covered by the black knight also, so he can't play Bb5 and save both.
Oct-16-10  sevenseaman: Rellstab flattered to deceive! Agree with <heysrett and Fusilli> comments. To my mind going for the light squared B was a bad idea. Taking the R makes more sense as this move protects c5 indirectly and enables White the luxury of fortifying it with b4.

Black Q is obliged to take the White N immediately as it attacks the more strategic B on g7.

Rellstab would have retained terrific initiative.

Oct-16-10  sevenseaman: The board would now look like this


click for larger view

I think its an inspiring position for White.

Feb-24-13  ForeverYoung: I recently found this game while looking at my Chess Life & Review CD ROM. this game was selected by Reinfeld in his book the Complete Chess Course as an example of not giving up when things have gone wrong.
Jan-08-20  Cheapo by the Dozen: Core idea: Interfere at d4 to undefend White's queen, then capture a piece with check if White initiates a queen exchange. The knight version of the plan doesn't work, but the bishop version does.
Jan-08-20
Premium Chessgames Member
  al wazir: I went for 21...Nd4 instead of 21...Bd4. It doesn't work.

After 21...Bd4 22. Qxb7, is white so badly off? 22...Bxe3+ 23. Kf1 Bxc1 24. Rxd8 Rexd8 25. Bb5 Nd4 26. Ba4. Black has a ♖+♖+♘ vs. ♕+♙+♙.

Jan-08-20  saturn2: <al wazir After 21...Bd4 22. Qxb7, is white so badly off? 22...Bxe3+ 23. Kf1 Bxc1> 23...Qb6 seems better for black.

Looked at the knight move first too but dismissed it and saw 21. Bd4 working.

22.Rxd4Nxd423.Qxd4Rxc1 and the bishop Be3 is overloaded.

22.Qxd8Bxe3+23.Kf1Rexd8

22.Kf2Qxd7

Jan-08-20  Walter Glattke: White has one pawn more, after 21.-Bd4 black threatens check with Bxe3 or Nxe2. 22.Rxd4 Nxd4 23.Qxd8 Rxc1+ 24.Kf2 Rxd8 25.Bxc1 black advantage BP for R. Or 23.-Nxe2+ 24.Kf2 Rexd8 25.Rxc8 Rxc8 26.Kxe2 similar
Jan-08-20
Premium Chessgames Member
  agb2002: Black has a bishop and a knight for the bishop pair and a pawn.

White threatens Qxb7.

The rook on d1 gets disconnected from the defense of the queen after 21... Bd4:

A) 22.Bxd4 Qxd7 wins decisive material.

B) 22.Qxd8 Bxe3+ and 23... Rexd8 wins a piece.

C) 22.Rxd4 Nxd4

C.1) 23.Qxd8 Nxe2+ 24.Kf1 Rexd8 25.Kxe2 (25.Rxc8 Rxc8 26.Kxe2 Rc2+ and 27... Rxb2 wins more material) 25... Rxc1 26.Bxc1 Kg7 with the exchange for a pawn and a won ending.

C.2) 23.Qxc8 Nxe2+ as in C.1.

C.3) 23.Qxd4 Rxc1+ wins (24.Bxc1 Qxd4+).

D) 22.Qxe8+ Qxe8 23.Bxd4 Nxd4 wins decisive material (24.Rxc8 Nxe2+; 24.Rxd4 Rxc1+).

Jan-08-20  TheaN: A very useful lesson on the <zwischenzug>.

It's clear we need to <interpose> something on the d-file, otherwise Black has no option for a combination. Then it's the question, bishop or knight?

The knight <may> be more intuitive: knights before bishops and they tend to be stronger in combinations. However, the latter makes it so we want the knight to finish the job rather than spearheading it.

After 21....Nd4? the simplest defense works for White as the knight's relatively weak also. After 22.Qxd8! Nxe2+ 23.Kf2 Rcxd8 24.Rxd8 Rxd8 25.Kxe2 Bxb2 26.Rb1 ± White neutralizes everything keeping the additional e-pawn to boot.

21....Bd4! however neutralizes 22.Qxd8? Bxe3+ -+ as the bishop cannot be attacked. In the full combo itself, the knight prevails: 22.Rxd4 (else QxQ -+) Nxd4! ∓ winning the exchange in all lines.

Jan-08-20
Premium Chessgames Member
  Dionysius1: That's a very pretty solution. Made me smile.
Jan-08-20
Premium Chessgames Member
  Dionysius1: As pointed out by kibitzers in 2005, the final position may not be so terrible for white. It must be hard to re-calibrate after such a jolt though, and start calculating how to try and save the game. Easier under the shock to resign and look forward to the next game. Modern super GMs seem to have that "deep breath, re-calibrate" technique off pat.
Jan-08-20
Premium Chessgames Member
  chrisowen: Packdunk revantus pivotlad rutsdove bd4slads dracula revantus rd4slads dracula revantus nd4slads dracula revantus bb5slads bitedown vinelads rebindus dunks it div 23.Qxd8 vestlads ibsonus dracula revantum 1 2 it lowonump vowunump vimumump relineas rc1slads crockpot bc1slads crockpot qd7slads dracula revantus bd7slads dracula revantus dunks it dives 25Rd8 vestlads rideover crockget;

dracula revantus 5 it
lowonump vowunump vimumump;

relineas rubsdove packdunk revantus jacques its errorlad wrongbad humidlad pacewins its errsvant ongoodby timidlag vowumums vimumums rubsdove puckswins its geronimo vestlads nd4slads dracula revantus crockpot frackdud revantus dunks it a 21.Qxd7 vestvant hoodlads revintus dracula revantus 1 2 it lowonump vowunump vimumump relineas dunks it a 21.Rxc6 vestvant hoodlads revintus crockoff 0 1 it lowonump vowunump vimumump relineas mellyran umsumums grateful revantus hivelads fragonum finishof rubsdove packdunk revantus bd4slads dracula?

Jan-08-20
Premium Chessgames Member
  Jimfromprovidence: The final position,below, shows that white will either loses his white bishop to the rook or his dark bishop to the knight fork. He cannot protect both pieces. That's why he resigns.


click for larger view

For example, he cannot protect the e2 forking square with his bishop (He cannot play 26 Bc5.) Or, if he attacks the knight with 26 Be3, black wins after 26...Rxd7.

Jan-08-20  Momentum Man: I am glad I solved this puzzle
Jan-08-20
Premium Chessgames Member
  Breunor: From the computer, for a lot of the previous analysis:

Black goes wrong with 14 ...Nd7

Best is:

14...Qe7 15.Bg5 Bd7 16.a4 a5 17.Nc2 Nc8 18.b3 Qf8 19.Be3 ⩲ +0.66 (21 ply)

15 Ndb5 is the best move, 1.67

17 .... Ne5 is inferior to

17...Nf8 18.c5 Nbd7 19.Bg5 Bf6 20.Bxf6 Nxf6 21.b4 Re7 ⩲ +1.17; after 18 c5, score is 2.35

As many people have said, 19 c6? gives away the advantage:

+2.38 (22 ply) 19.f4 Re7 20.b4 Nc6 21.b5 Qa5 22.bxc6 Qxd2 23.Rxd2 bxc6 +- +2.63 (22 ply)

but after 19 c6 Nxf6, game is even (0.00).

Even without a computer 20 N x c8? looked weird - why trade off that wonderful knight? I would at least take the rook?

It gives:

20. b4 a6 21.Bxa6 bxa6 22.Nxe8 Qxe8 23.Rxc6 Nf8 24.Rd6 = +0.01 (25 ply)

I looked at 20 Nxe8, the move all patzers like me would really make, it is also dead even:

1) =0.00 (25 ply) 20...Qxe8 21.b4 a6 22.a4 Nf6 23.b5 axb5 24.axb5 Na5 25.Qb4 Bf8 26.Qd4 Bg7 27.Qb4

21 Bd4, the puzzle move, as others have said isn't outfight winning but it is close. Best for white is:

1) -1.35 (29 ply) 22.Rxd4 Nxd4 23.Qxd8 Rxc1+ 24.Bxc1 Nxe2+ 25.Kf2 Rxd8 26.Kxe2 Rc8 27.Kd1 f6 28.Be3 g5 29.Kd2 Kf7 30.a4 b6 31.Kd3 Rd8+ 32.Bd4 Ke6 33.b3 h5 34.b4 Rd7 35.Kc3 h4 36.h3 Rd8 37.a5 bxa5 38.bxa5 a6 39.Be3 Rc8+ 40.Kd3

Also as people have said, 21 ..Nd4 puts white in the driver's seat:

1) +1.47 (24 ply) 22.Qxd8 Nxe2+ 23.Kf1 Rcxd8 24.Rxd8 Rxd8 25.Kxe2 Bxb2 26.Rb1 Bd4 27.Rxb7 a6 28.a4 Bxe3 29.Kxe3 Rc8 30.Ra7 Rc2 31.Rxa6 Rxg2 32.Ra8+ Kg7 33.h4 Ra2 34.a5 Ra3+ 35.Kf4 Kf6 36.Ra7 Ke6 37.a6

The final no return losing move is 23 Bb5 ?

Then 24 ... Rxc1 is evaluated at -6.18

Also, as Jim and others have said, the ending is totally lost because a bishop has to be lost by white/ After 25 Rd1:

26.Kf1 Rxd7 27.Be3 Nc2 28.Bf4 Nb4 29.Ke2 Nxa2 30.h3 Nb4 -+ -6.40 (24 ply)

Jan-09-20  saturn2: <Breunor Even without a computer 20 Nxc8? looked weird - why trade off that wonderful knight? I would at least take the rook?>

By the destroying the guard combo 20.Nxc8 Rxc8 21 Qxd7 he won a piece instead of an exchante by 20 Nxe8. The problem was white did not anticipate 21..Bd4

Jan-09-20
Premium Chessgames Member
  Dionysius1: Thanks <Jim>. Now that's a quandary. The Stockfish engine that the nice chessgames.com people provide suggests that the final position could have been avoided if White had exchanged Queens on 23. And that should have resulted in somewhere between -1.0 and -2.0. Maybe a flawed solution then: within the range you get in modern GM games with the result still undecided. Heho!
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