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Alexey Sokolsky vs Nikolay Kopaev
Trade Unions Championship (1938), Leningrad URS, rd 1
King's Indian Defense: Saemisch Variation (E80)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Jul-09-13  Nick46: Got today's easily. BTW, why do top players so often have at least one K in their names? (Perhaps Magnus should change his name to Karlsen.)
Jul-09-13  Oxspawn: Monday/Tues the wrong way around this week? This seems banal unless I missed something. Black's one knight stand is not enough.

23. Rd7+ Nxd7
24. Qxh7+ Kf6
25. Qe7++

Jul-09-13  whiteshark: I love Mondays!

<23.Rd7+>, and that's it.

Jul-09-13
Premium Chessgames Member
  radtop: What about 21.....Rxf7?
Jul-09-13  geniokov: Just play 23.Rd7+! And the rest is elementary.
Jul-09-13  newzild: I saw the same mate-in-six as <M.Hassan>. I'm giving myself the point, though. I'm generous like that.
Jul-09-13  Bartimaeus: <wingpawn> was there anything wrong with 21...Rxf7?

<radtop> What about 21.....Rxf7?

While there doesn't seem to be anything seriously wrong with 21...Rxf7, it doesn't look too great either. After 21...Rxf7 22. Rxd3 black is down a pawn, his rooks are disconnected, back rank is weak and his biggest problem is finding a good square for the Knight. White will soon double his rooks on the d-file, get his king to b1 and has a better position overall. It isn't an outright loss for Black like the game line which seems a blunder but Black is on the defensive and has to fight for the draw.

Black can't of course try to take the a-pawn in this line

21...Rxf7 22. Rxd3 Qxa2? 23. Rd8+ Rxd8 24. Nxa2

Jul-09-13  zb2cr: 23. Rd7+ lures away the Black Knight. After 23. ... Nxd7; 24. Qxh7+, Kf6; 25. Qe7#.
Jul-09-13  James D Flynn: Material is equal but Black threatens 23….Qa1# winning at least a piece after 24.Kd2 Qxb2+ 25.Ke3 Rxc3 so White must act quickly. If the Black N on f6 could be diverted then 24.Qxh7+ Ke6(or Ke8) 25.Qd7#. The obvious try 23.g5 Nh4 24.Qxh7+ Ng7 25.Rd7# is too slow 23.g5 Qa1+ 24.Kd2 Qb2+ 25.Ke3 Rxc3 26.gxf6 Rxd3+ 27.Kxd3 Rd8+ 28.Kc4 b5+ 29.Kc5 Qc3+ 30.Kxb5 Rb8+ 31.Ka4 Qb3+ 32.Ka5 Qb5#. 23.Rd7+(the alternative diversion)Nxd7(else 24.Qg7#) 24.Qxh7+ Kf6 25.Qe7#
Jul-09-13
Premium Chessgames Member
  gawain: I overlooked the escape square f6 created by 23 Rd7+ Nxd7. So I imagined that 24 Qxh7 would be mate.

So over the board I would have been briefly surprised by the King's escape! And then (I hope!) I'd have found 25 Qe7#

Jul-09-13  mistreaver: Tuesday. White to play. Easy. 23.?
23 Rd7+ seems to work.
23... Nxd7 (23... Kg8 24 Qg7 mate)
24 Qxh7+ Kf6
25 Qe7 mate
Jul-09-13  YetAnotherAmateur: 23. Rd7+ Nxd7 (Kg8 24. Qg7#)
24. Qxh7+ Kf6
25. Qe7#

I actually goofed on this at first, going with the longer but just as forcing 25. g5+ Kf5 26. Qxd7+ Kf4 27. Qg4#

Jul-09-13  Alex56171: Easy indeed: 23. Rd7+ Nd7 (...Kg8 24.Qg7#) 24.Qh7+ Kf6 25.Qe7#
Jul-09-13  kevin86: The queen sac fails,but the rook sac at d7 is successful in bringing out a rook/queen mate.
Jul-09-13  M.Hassan: <newzild:I saw the same mate-in-six as <M.Hassan>. I'm giving myself the point, though. I'm generous like that.>

So did I!! LOL.

Jul-09-13  Nullifidian: 23. ♖d7 ♘xd7 (♔g8 24. ♕g7#) 24. ♕xh7+ ♔f6 25. ♕e7#
Jul-09-13  Once: It's all about the unbearable smugness of horses.

No really it is. They prance around the chessboard as if they are better than anyone else. The only chessman with ears and nostrils. The only chess piece that can jump over other pieces.

Unless you count kings and rooks doing their castledance thing. And anyway I've always fondly imagined that they don't jump over each other when they castle. Surely rooks can't jump and kings would be far too dignified. I reckon they do one of those medieval line dance jobbies where they link arms and twirl each other around. So, yes, knights probably are the only pieces who can jump over other men.

And knight have this aloof arrogance when it comes to chessboard agility. It's a case of "look at me, I can protect or attack multiple squares at once."

I mean, what other animal can go to the toilet on prime time television? That's privilege, that is. Not that I'm jealous or would want a similar privilege for myself, you understand. Just saying ... unbearable smugness of horses, I tell you.

Take today's POTD. The Nf6 thinks he is controlling a7 and d7 at the same time. Just three points of cheap burger on the hoof holding back 14 points of combined rookery and Royal terminatrix.

Pride comes before a fall. Especially if that fall comes at Becher's Brook in the Grand National. With 23. Rd7, white shows why a knight's defensive prowess is sometimes more imagined than real.

Jul-09-13  hellopolgar: Funny how white missed 22.Rd7+.
Jul-09-13  BOSTER: <al wazir:Why didn't black play the move natural ...20.Rxf7?>. I like the curiosity. At least this is a nice step to improve the game. In the pos. after 20.Rd4 where black played <natural> Bd3, and after couple moves lost the game. But because white rook in this pos. not united, and knight on c3 is pinned , black could play ...20.Be6 (diagram) .And after 21.Rxe6 Rxc4 22.Rxc4 fxe6 he could continue to play.


click for larger view

Jul-09-13  zooter: back after a long time... i Saw the mate 22.Rd7+ Nxd7 23.Qxh7+ Kf6 24.Qg7#

now, I don't know if Qg7 is actually mate (looks like), but there is a java issue on my computer preventing me from playing out the moves and I don't have a chessboard in office (obviously!)

Jul-09-13  zooter: yeah ok, 24.Qg7+ Kxg7 and white hangs his head in shame!
Jul-09-13  Patriot: 23.Rd7+ Nxd7 24.Qxh7+ Kf6 25.Qe7#
Jul-10-13  Abdel Irada: <<•> Elmer's? <•>>

Riffing on <Once>'s observation about the knight on f6: This problem offers a forthright way to send him to the glue factory, with his liege along for good measure.

<<•> 23. Rd7†, Nxd7 >

This is forced, but now /der Springer/ has run out of spring.

<<•> 24. Qxh7†, Kf6 >

The king, having despaired of trading his kingdom for a horse, must content himself with hiding in the stable.

<<•> 25. Qe7# >

Darn! Who'd have expected the king hunters to look in the stable?

Jul-10-13  Abdel Irada: If Black continues to counterattack so recklessly, his HMO will surely raise his <Kopaev>.

Jul-10-13  RandomVisitor: After 11.exd5:


click for larger view

Rybka 4.1 x64:

<[+0.01] d=24 11...b5> 12.Kb1 b4 13.Ne4 Nxd5 14.Bh6 Bxh6 15.Qxh6 N5f6 16.Ng5 Nc5 17.Ng3 exd4 18.Bc4 Be6 19.Bxe6 fxe6 20.Rc1 Qe7 21.Rxc5 Qxc5 22.Nxe6 Qe7 23.Nxf8 Rxf8 24.Qd2 Rd8 25.Re1 Qc5

[+0.64] d=24 11...a6 12.Kb1 Re8 13.dxe5 Nxe5 14.Ng3 b5 15.h4 h5 16.Be2 Rb8 17.Ka1 b4 18.Nce4 Nxe4 19.Nxe4 b3 20.a3 Bf5 21.d6 Nd7 22.Bc4 Nb6

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