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Vladas Mikenas vs Salomon Flohr
Olympiad (1933), Folkestone ENG, rd 7, Jun-17
Caro-Kann Defense: Panov Attack. Modern Defense Mieses Line (B13)  ·  1-0
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Jan-31-14  FSR: Wow, what a shot! I thought of 19.Qa3? Qxb5 and of 19.Nxa7+, but combining the two never entered my mind. It just looks too slow, but somehow it isn't. Incidentally, <TheBish>'s assertion that after 20...b6 21.Rxb6! threatens 22.Rb8# is erroneous, since the bishop guards b8. The real threat is 22.Qa6+.
Jan-31-14
Premium Chessgames Member
  morfishine: Fairly quickly, I spotted 19.Qa3 Bxa3 20.Nxa7# and thought "Wow, thats the fastest Friday I ever solved" but then noticed Black has 19...Qxb5 spoiling the party

So, lets change the move-order:

<19.Nxa7+ Bxa7 20.Qa3> Black is extremely cramped here; 21.Qxa7 is a huge threat; defending the Bishop with 20...b6 doesn't work due to 21.Rxb6 and White has a winning attack threatening 22.Qc5+ and 22.Qa6+

Black Queen must vacate d7 to allow the King to flee, but where?

(1) 20...Qc6 21.Qxa7 Qa6 22.Qb8+ Kd7 23.Rxb7+ Ke6 24.Qe5#

(2) 20...Qf5 21.Qxa7 Qe4 (at first I thought this was a great defense for Black, but this fails to 22.Rfe1 Qc6 23.Re7)

I don't think Black can hold this position

*****
PM: a pure positional sacrifice and an exquisite example of how changing the move order makes all the difference (although I haven't tried my luck with "Ole Crafty" yet)

*****

Jan-31-14  Nick46: One could say there was a definite Flohr in Salomon's game.
Jan-31-14
Premium Chessgames Member
  Penguincw: I got close on a Friday puzzle. I got 19.Nxa7+ Bxa7 but thought 20.Rxb7 was necessary.
Jan-31-14
Premium Chessgames Member
  hedgeh0g: I can't believe I fell for the too-good-to-be-true 19.Qa3?

Whoops.

Jan-31-14
Premium Chessgames Member
  Oxspawn: I had a sound strategy.
1. Give a check,
2. stop black swapping queens and
3. produce a devastating winning move that makes black resign immediately.

Amongst other avenues I tried
19. Nxa7 Bxa7
20. Qa3...
and concluded: this is obviously going nowhere...
It is bad enough not seeing the 'solution' but when you see it and don't recognise it, that is doubly depressing. Better go and learn why black resigned ...

Jan-31-14
Premium Chessgames Member
  Oxspawn: Oh. Now I see it. Sort of. Better wait for Monday.
Jan-31-14  awfulhangover: Solved it in a minute. Must be easiest friday ever?
Jan-31-14  JohnBoy: I solved this completely - by spending a minute or two trying desperately to make 19.Qa3 work. There was no way around ...Qxb5. But after 19.Nxa7 and 20.Qa3 black can neither guard the B nor move it.
Jan-31-14  PJs Studio: Not too hard to see. I got nxa7 but missed Qa3 mating in short order. Ugh.
Jan-31-14
Premium Chessgames Member
  kevin86: This almost looks like a Monday puzzle,but it is too coy. After the second move,the bishop cannot be saved and at least two avenues are set up for mate:the last row and the c-file.
Jan-31-14
Premium Chessgames Member
  gofer: Black is in a mating net, so all we need to do is give a check that cannot be defended, 19 Nxa7+ results in Bxa7. 19 Qa3 results in Qxb5! But what about the two together!!!!

<19 Nxa7+ Bxa7>
<20 Qa3! ...>

20 ... Bb6/Bc5
21 Qa8#

20 ... Bb8
21 Qa8

20 ... b6
21 Rxb6 Rde8
22 Qa6+ Kd8
23 Rd6

<20 ... b5>
<21 Rxb5 Rde8>
<22 Qa6+ Kd8>
<23 Rb7 Qe6>
<24 Qxa7 ...>

Now black is dead. White has recovered the sacrifice, has two pawns for his troubles and is actively marching on a king hunt.

~~~

No wonder black resigned on move 20!!!

Jan-31-14  CC0112358: Nice compared to yesterday's!

First off, 19 QxQ gets nowhere for white.

Next, with the white queen under the gun and white's pawn disadvantage, while 19.Qa3 was luring, I thought white must accelerate the game and immediately threaten the black King. Therefore the obvious:

19 Nxa7 Bxa7

Then went down the route of

20 Rxb7 with no resolution and too slow.

Therefore, the only suitable option for a forceful attack became

20 Qa3

From here, any of black's options lead to death (...Bb8, ...Bb6,...b6,...b5,...)

Jan-31-14
Premium Chessgames Member
  agb2002: White is one pawn down.

Black threatens 19... Qxh3.

White has four pieces aiming at the black king. The first idea that comes to mind is 19.Qa3, threatening 20.Qxc5+ and 20.Nxa7+. However, after 19... Qxb5 20.Qh3+ Qd7 White is a piece down and the attack vanished (21.Rxb7 Kxb7 22.Rb1+ Bb6).

Another idea is 19.Nxa7+ Bxa7 20.Qa3:

A) 20... Bb8 21.Qa8

A.1) 21... Qc6 22.Qxb8+ Kd7 23.Rxb7+ Qxb7 (23... Ke6 24.Qe5#; 23... Ke8 24.Re8+ wins) 24.Qxb7+, etc.

A.2) 21... Qe6 22.Qxb7#.

A.3) 21... Qe7 22.Qxb8+ Kxd7 23.Rxb7+ Ke8 24.Rxe7+, etc.

B) 20... b6 21.Rxb6

B.1) 21... Bxb6 22.Qa8#.

B.2) 21... Rdg8 22.Qa6+ Kd8 23.Rd6 + -.

B.3) 21... Qf5 22.Qxa7 + -.

B.4) 21... Qe7 22.Qxe7 Bxb6 23.Rb1 + -.

C) 20... b5 21.Rxb5

C.1) 21... Rdg8 22.Qa6+ Kd8 23.Rb7 Qe6 (else 24.Qd6+) 24.Qxa7 + -.

C.2) 21... Qc6 22.Qxa7 + -.

D) 20... Qc6 21.Qxa7

D.1) 21... Nh5 22.Qa8+ Kd7 23.Rxb7+ Ke6 (23... Ke8 24.Re1+ wins) 24.Re1+ Kf6 25.Rxf7+ Kxf7 26.Qxc6 Nxf4 27.Qc7+ and 28.Qxf4, etc.

D.2) 21... Kd7 22.Rxb7+ Ke8 (22... Ke6 23.Rb6) 23.Re1+ Kf8 24.Rxf7+ Kg8 25.Rxg7+ Kf8 26.Qf7#.

E) 20... Nh5 21.Qxa7

E.1) 21... Nxf4 22.Qa8+ Kc7 23.Rxb7+ Kc6 (23... Kd6 24.Rxd7+ Kxd7 25.Qb7+ with attack and material advantage) 24.Qa6+ Kc5 25.Rxd7 Rxd7 26.Qb5+ Kd6 27.c5+, again with a winning attack.

E.2) 21... Qc6 transposes to D.1.

Jan-31-14  Patriot: Black is up a pawn.

19.Nxa7+ Bxa7 20.Qa3

20...Bb8 21.Qa8 Qc6 22.Qxb8+ Kd7 23.Rxb7+

20...b6 21.Rxb6 d3 22.Qa6+

20...Nh5 21.Qxa7 Nxf4 22.Qa8+ Kd7 23.Rxb7+

Also interesting is 19.Qa3:

19...Bxa3?? 20.Nxa7#

19...Qxb5

I think that rules this out.

Jan-31-14  BOSTER: < PB: I'm sure that 19. Qa3 wll be at the top of many <candidate > move >. If CG were among such < candidates > , POTD will be white to play 17.
Jan-31-14  King Sacrificer: Seeing <19...Qxb5!> after <19. Qa3> is harder than the puzzle itself.
Jan-31-14  Patriot: <BOSTER> Good point about move 17. I wondered why 19.Nxa7+ wasn't played there but 19...Bxa7 20.Qa3 b6 (my second candidate for black above since 21.Rxb6 is not an option here)
Jan-31-14  Patriot: <BOSTER> 17.Nxa7+, I meant...sorry.
Jan-31-14  BOSTER: < King Sacr. : Qxb5 is harder than the puzzle.> Examine all replies by the opponent.
Jan-31-14
Premium Chessgames Member
  morfishine: Black can play 20...Bb8 but loses eventually: 20.Qa3 Bb8 21.Qa8 Qc7 22.Bxc7 Kxc7 23.Rxb7+ Kd6 24.Qa6+ Ke5 25.f4+ Kf5 26.Rxf7 Bd6 27.h3 Kg6 28.Ra7 Rhe8 29.Qb5 h6 30.g4 Kh7 31.g5 hxg5 32.fxg5 Nh5 33.Qf5+ Kh8 34.g6 Nf6 35.Rxg7 Rf8 36.Rf7 Rxf7 37.gxf7 Be7 38.Qg6 Rd6 39.Rxf6 Rxf6 40.Qxf6+ Bxf6 41.f8=Q+

*****

Jan-31-14
Premium Chessgames Member
  Phony Benoni: <BOSHER> <Patriot> I don't think the puzzle starts at White's 17th move since Black has to make a clear mistake for the combination to work. Here's the position:


click for larger view

First of all, the game idea 17.Nxa7+ Bxa7 18.Qa3 fails to 18...Qf5. White needs to play <17.Rab1> before any combination can work.

Then, after <17...Qc6 18.Qh3+>:


click for larger view

Black's reply <18...Qd7> is a blunder. After either 18....Qe6 or 18...Rd7, Black has a resource not available in the game: 19.Nxa7+ Bxa7 20.Qa3 Qa6.

Jan-31-14  Patriot: <Phony Benoni> Yes I think you are right about 18...Qf5. I thought it failed to the simple 18...b6 since there is no 19.Rxb6 follow-up. 18...Qf5 is a much more active move I probably should have addressed in the original position (if I had seen it).
Sep-28-14
Premium Chessgames Member
  OhioChessFan: "Vladas' Knight"
Nov-28-14
Premium Chessgames Member
  tpstar: In this Caro-Kann PBA, 6 ... Bg4 can be met with the simple 7. Be2 Opening Explorer and White scores well. Any ... dxc4 becomes a temporary gambit, then Black's Kingside development is terribly slow, or else ... 0-0-0 like here.

tpstar-755 (FICS 11/28/14): 1. e4 d5 2. ed Nf6 3. c4 c6 4. d4 cd 5. Nc3 Nc6 6. Nf3 Bg4 7. Be2 Bxf3 8. Bxf3 dc 9. d5 Ne5 10. 0-0 Nxf3+ 11. Qxf3 g6 12. d6 Rb8 (12 ... Qxd6 13. Qxb7 Rb8 14. Qxa7) 13. Re1 e6 (13 ... Qxd6?? 14. Bf4) 14. Bg5 Bg7 15. d7+ (15. Ne4 ) Qxd7 (15 ... Kf8 16. Ne4) 16. Bxf6 Bxf6 17. Qxf6 0-0 18. Rad1 Qc7 19. Ne4 Rfd8 20. Rxd8+ Rxd8 21. h4 1-0.

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