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Eduard Prandstetter vs Vlastimil Hort
CSR-ch (1984), Sumperk CSR, rd 11, Jul-??
Scotch Game: Potter Variation (C45)  ·  0-1



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Kibitzer's Corner
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Premium Chessgames Member
  nasmichael: The closing of lanes is a powerful tool. As a chess variant fan in addition to loving the FIDE standard, I have seen this idea on the board--but to see it in a championship game is marvelous!
Premium Chessgames Member
  nasmichael: Where in The Czech Republic is Sumperk? Anyone from there posting here?
Premium Chessgames Member
  Gypsy: <Where in The Czech Republic is Sumperk?> In northern Moravia, towards the Polish border. If you extend the straight line from Vienna to Brno and further up North, you will pass next to Sumperk. It's a county-seat type of town nested in some foothils.
Premium Chessgames Member
  Benzol: <Gypsy> If you're still online can you tell me where the city of Kyjov is. Thanks in advance.
Premium Chessgames Member
  Gypsy: Kyjov is in southern Moravia, not far from Slovakia border. The line connecting Vienna (again) and Ostrava goes fairly nearby. Kyjov is almost half way between the two, but clearly closer to Vienna. It's a cool town to visit during one of their festivals. That whole region (Moravske Slovacko) is known for their music, dances, and deadly-strong plum-brandy called 'slivovice'.
Premium Chessgames Member
  offramp: Hort was quite a trend-setter.
Apr-22-14  M.Hassan: "Easy"
Black to play 26...?
Black is a pawn up and has a mighty Knight for a Bishop.

<if declined, 27.Kh1 Rxh3#>

27.Rxg1 Nf3+
28.Kh1 Rxh3#

Apr-22-14  diagonalley: oooooo... quite tricky for a tuesday.... took me a while to spot the deflection by black's bishop... well, it is 6.30am so i guess that's some excuse...
Apr-22-14  LIFE Master AJ: 26...♗g1+! or 26...Bg1+!

White resigns, not because of material, but because of mate.

27.RxB/g1▢, NxP/f3+; 28.Kh1▢, RxN/h3#.

Apr-22-14  LIFE Master AJ: Amazing how Hort plays for mate ... right out of the opening. (Black cannot be bothered with nice things like castling and that sort of silliness.)

Of course, I can remember when Hort was one of the highest rated players in the world, easily "Top Ten," but that was a long time ago ...

Premium Chessgames Member
  al wazir: Suppose white sees the mate threat and plays 26. Nd2, whereupon black plays 26...Be3. If now 27. Rd1, then 27...Bf4+. But what if white plays 27. f4 ? I suppose the continuation would be 27...Ng4+ 28. Kg3 Rxh3+ 29. Kxh3 Bxd2. Good enough for a win, but not as elegant as the game line.
Apr-22-14  fishkabob: 28...Nf6 is better than Rh3 in the above variation
Premium Chessgames Member
  Once: We need to talk about Godzilla.

No, really we do. You see, my son, aka the best boy in the world, aka the trainee teenager has just discovered the joys of monsters rampaging through scale models of Tokyo.

He loves these movies even though I tell him that it's a metaphor for the damage that man is doing to the environment, or Japan's (understandable) concerns about the harmful effects of nuclear (a) power and (b) weapons, or even that it's just a man in a monster suit ...

<Don't be silly, Daddy, it's all done with CGI these days. Men in monster suits are so ... your generation. Next you'll be telling me that they used to make movie monsters out of plasticine.>

But better still than Godzilla is the anti-Godzilla - the piece of technology that mankind uses to defend against said creature from the depths. And better still if that anti-Godzilla is a giant robot with guns and swords and stuff.

(And another excuse for a man in a suit)

<Sush, Dad.>

Ladies and gentlemen, boys and girls (but mostly the gentlemen and the boys), I give you ... drum roll ... <Pacific Rim>. Giant robots fighting Godzilla-type creatures (but just different enough so the studio doesn't get sued for breach of copyright). Blue light cannons, swords, elbow rockets firing punches, kung fu (ish) and a stirring speech "tonight we are cancelling the apocalypse!"

Part of the plot (if you can call it that) is that the Governments of the world, having successfully invented giant robots to defend us from monsters, suddenly switches tactics and starts building walls to keep the monsters out instead.

And everybody knows that the walls are never going to work. Those fools in the Governments should have kept faith with their robots. A good offence will always beat a good deeefence, and all that.

And that is what today's POTD is about too. You get more flexibility in attack than you do in defence. Black is attacking, attacking, attacking. When his h file hack stalls, he switches to a g file hack. Not quite as alliterative but just as much fun.

White tries nearly all of the patented defences against the h file. He meets h5 with h4. He swaps off queens. He brings more pieces to the defence of the queenside. It's all good defensive stuff, but you can't help feeling that it's walls vs giant robots all over again.

In our puzzle position, the white king has to stay on h2 to defend the Nh3. The white Rf1 has to stay on the f file to defend against Bg1+ and Nxf3+. It's all very static. Where black can shift his attack, white can't flex his defence. So 26. Bg1+ works by deflecting the Rf1 away from the defence of f3.

Don't get me wrong. There's a time and a place for a good wall. But if the enemy's attack has gained sufficient momentum you might find yourself wishing you had a counterattack of your own, which may or may not involve asking one of your pieces to put on the smelly rubber suit.

Apr-22-14  Cybe: First white’s strange move is 8. g3. 15. Nf4? is critical (15. Ne3 ?!). Seems, that 24. Nd2 was the last chance.
Premium Chessgames Member
  agb2002: Black has a bishop and a pawn for a knight.

If the rook on f1 were on, say, a1 then Black would force mate in two with 26... Nxf3+. Hence, 26... Bg1+ 27.Rxg1 (27.Kh1 Rxh3#) 27... Nxf3+ 28.Kh1 Rxh3#.

Apr-22-14  rogl: Black must avoid to play the wrong deflection move, 26...Nxf3+??, since after 27.Rxf3 there is another rook on d1 guarding the g1 square so that 27...Bg1+ doesn't work.
Apr-22-14  morfishine: White's rook on <f1> is overloaded protecting <f3> and the back rank

26...Bg1+ 27.Rxg1 Nxf3+ 28.Kh1 Rxh3#


Apr-22-14  zb2cr: Clever little device. 26. ... Bg1+! Now, if White plays 27. Kh1, Rxh3#. And if White plays 27. Rxg1, a further point emerges: 27. ... Nxf3+; 28. Kh1, Rxh3#.
Premium Chessgames Member
  Oxspawn: Knights are fearsome opponents, but when pinned they might as well be bishops or even pawns, for all the side-stepping tricks they can get up to. The black rook on the g file nicely isolates the white king from other defenders and prevents the king moving to defend the f pawn. The rook on f1 is overworked and underpaid.

26 Bg1+
Sacrificing itself in style by landing on a square defended by four pieces (if you count the king and the remote rook).

27. Rxg1 Nxf3+
28. Kh1 Rxh3 is mate
If 27. Kh1 Rxh3 same outcome only quicker.

Apr-22-14  CC0112358: White is one pawn down

27. Rxg1 Nxf3+
28. Kh1 Rh3#

Apr-22-14  mel gibson: An easy one today but it still took me a few minutes.
Apr-22-14  patzer2: Positions like today's Tuesday puzzle (26....?) are excellent for teaching the rules of the game and basic tactics to beginners, with a conversation that might go as follows:

Teacher: Here's a position awaiting Black's 26th move from What kind of forcing moves (checks or captures) are available to Black?

Student: He has two checks with capture (26...Nxf3+ and 26...Rxh3+) and two checks without capture (26...Bg1+ and 26...Rg2+).

Teacher: Very good! Now which of those captures most restrict the King's freedom (i.e. with the least number of free squares to move to afterwards)?

Student: The Rook checks (26...Rg2+ and 26...Rxf3+) leave the King at least two free squares, but the Bishop (26...Bg1+) and Knight checks (26...Nf3+) leave him only one free square.

Teacher: Excellent observation! So let's look at those restricting Bishop and Knight Checks. Which one of those checks allows us to follow-up with the other minor piece restricting check afterwards?

Student: With 26...Nxf3+ 27. Rxf3 the Black Bishop has no checks, but after 26...Bg1+ 27. Rxg1 Nxf3+ we get the one-two punch follow-up check.

Teacher: That's right! Now visualize the position after 26...Bg1+. Other than 27. Rxg1, what other choices does White have to get out of check?

Student: He can move the King after 26...Bg1+ to 27. Kh1.

Teacher: Good! Now can you visualize the position after 26...Bg1+ 27. Kh1?

Student: Yes! I see it's mate after 26...Bg1+ 27. Kh1 Rxh3#.

Teacher: That's right! Now why couldn't White play 26...Bg1+ 27. Nxg1?

Student: Because the Knight is pinned, and you can't move a pinned piece and expose your King to check.

Teacher: Correct! Capturing a checking piece is one way to get out of check, but pinned pieces protecting their King (a.k.a. absolute pins) can't move (let alone capture).

Now I want you to visualize the position after 26...Bg1+ 27. Rxg1 Nxf3+. Have you got it?

Student: Yes, I see it now. After 26...Bg1+ 27. Rxg1+ Nxf3+ the King is forced to play 28. Kh1 and now Black can play 28...Rh3#.

Teacher: Yes mate-in-two or three with the sham sacrifice of the Bishop! You've got it!

P.S.: Even though it's only a basic two and three move mate, the combination involves the decoy, deflection (removing the guard) and pin tactics.

Apr-22-14  Castleinthesky: A good Tuesday puzzle. It's also a very good game on piece positions and lane closure.
Premium Chessgames Member
  gawain: Not hard, but very very dramatic. That bishop comes swooping in from his hiding place on a7 to deliver the crushing blow.
Apr-22-14  BOSTER: <Once: A good offence wil always beat a good defence.>

This is too far to be the truth.

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