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Hans Ree vs Zsofia Polgar
Donner Memorial Open (1995), Amsterdam NED, rd 6, Aug-??
Colle System (D05)  ·  0-1



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Given 9 times; par: 38 [what's this?]

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sac: 21...Rf6 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
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Jan-03-12  desiobu: 32...Rxb2 33. Rxb2 Qc1+ wins a piece
Premium Chessgames Member
  Penguincw: 32...♖xb2 33.♖xb2 ♕c1+ 34.♕d1 ♕xb2 leaves black up the exchange and a pawn.

click for larger view

Jan-03-12  Sularus: redemption! feels good =)
Premium Chessgames Member
  kevin86: A comical conclusion-white has to allow a fork and then abandon his rook.

eg, 33 ♖xb2 ♕c1+ 34 ♕d1 ♕xb2 black is up an exchange and a pawn...

Premium Chessgames Member
  WannaBe: <<<ANNOUNCEMENT>>> The Annual Caissar Award is now open for Nominee submission.

Here are the categories, you don't have to nominate in every category: <Best Avatar>, <Best Profile>, <Best Game Collection>, <Best Historian>, < Best Username/Handle>, <Best Written Post>, <Funniest Kibitzer>, <Most Constructive>, <Best Informed>, <Most Helpful>, <Best Analysis>, <Best/Worst Pun for Game of the Day>.

Please, <<Post your nomination(s) in my forum, Click on the Wabbit Avatar>>. For I am too lazy to run all over the place to collect them.

Nomination will end on Sunday, Jan. 8th, 11:59PM, Eastern Time Zone.

Premium Chessgames Member
  HeMateMe: <Sularus> Hey! Are you nominated yet? You have a terrific avatar. Get into the Cafe, and get yo'self nominated for best avatar!
Jan-03-12  LIFE Master AJ: <Patriot> Good job.

I am just trying different things.

For about six months, I allowed myself to take as long as I liked and did not worry too much about time. (Now, I am trying a different approach.)

Back in September-October, I did several weeks of solving extremely difficult endgames, doing at least 2-3 every day.

A.) I get bored if I do the same thing all of the time.

B.) Just like a body-builder hits plateau's, I think your brain will get stagnant doing the same old thing all of the time. So ... I try to change things up every few months now - or add a different twist or put the emphasis on a new area.

It's definitely fun and exciting and makes things more challenging. It also keeps me from getting burned out on problem solving.

Premium Chessgames Member
  chrisowen: Must stash this dismantling of the colle glowing appraisal! Cheeky trade down queen instead of finessing lions share knight retreat allows black grounds for regroup final mistake c2 rxb2 and white crumbles sap please 31.Nf3 looks it I am a giant chipmunk when it arrives to pieces check sheez deez chessnuts.
Jan-03-12  newton296: was a little unfocused looking at this one. didn't see any weak squares or mate threats so lowered my ambitions and then I had it. Qc1+ back rank theme to divert the Q after Rxb2


Jan-03-12  newton296: <chrisowen: Must stash this dismantling of the colle glowing appraisal! Cheeky trade down queen instead of finessing lions share knight retreat allows black grounds for regroup final mistake c2 rxb2 and white crumbles sap please 31.Nf3 looks it I am a giant chipmunk when it arrives to pieces check sheez deez chessnuts.>

couldn't have said it any better myself!

Jan-03-12  jackpawn: I found Rxb2, winning a piece, very quickly. Then spent a couple of minutes trying to find something even more decisive. But I'm lazy, my attitude quickly became 'winning the piece is good enough!'. In this case I was right.
Jan-03-12  poachedeggs: My eyes went to the Bishop on B2 and Rook on C2 and realized the Rook was being overworked. Then I saw that if the Rook moves of that file...bad things happen.
Jan-03-12  Nullifidian: Looks like 32... ♖xb2 33. ♖xb2 ♕c1+ 34. ♕d1 ♕xb2 wins.
Jan-03-12  Marmot PFL: 32...Rxb2 33 Rxb2 Qc1+ is a fairly common type of combination based on bad king position. Either the queen has to interpose, leaving the rook unguarded, or the king has to move in between the rook and the queen.
Jan-03-12  bachbeet: I went with my gut and got it. Doesn't happen often but it worked this time.
Jan-03-12  ajile: I wonder how Colle himself would have played the position after 10..h6.
Jan-03-12  zb2cr: 32. ... Rxb2 does it. White retakes, and 33. ... Qc1+ wins back the Rook, leaving Black up by a piece.
Jan-03-12  stst: see the advantage:
No reason that W does not retake with R*
33.RxR Qc1+
34.Qd1 interpose QxR gain in material.
IF really W does not re-take, then it loses more:
33.Rxe4+ BxR
34.QxB+ Kf1
35.RxR and W shatters.
Jan-04-12  sevenseaman: <
< chrisowen: Must stash this dismantling of the colle glowing appraisal! Cheeky trade down queen instead of finessing lions share knight retreat allows black grounds for regroup final mistake c2 rxb2 and white crumbles sap please 31.Nf3 looks it I am a giant chipmunk when it arrives to pieces check sheez deez chessnuts.>

'chessnuts'! Best summation of the day.

Jan-04-12  TheoNov: It seems Ree misevaluated the result of playing 24.b5, which gave Polgar a winning game. <BlackSheep: Black actually blew their attack with the recapture 26 ...bxc6 . Qh3+ or Re8 was the only way to continue> Quite true. After 26...bxc6, it is dead even until Ree made the final mistake with 31.Nf3 (correct was 31.Qd2 Qxd2 32.Kxd2 f6 33.Ng6 Rxe4 Kc3 34.Bf5 Be6+ 36.Kh7 Nxf8+ with a draw in sight). Polgar then found the beautiful winning tactic.

Let's look at what might have happened if Black had continued with the correct 26...Qh3+:

click for larger view

27. Ke1

(If 27. Kg1 Re8 28. Qf1 Qh4 29. Qg2 Rxd3 30. c7 Rc8 31. Nxe5 Rb3 32. Bxd4 Rxc7 33. Re1 Qd8 34. Be3 Bxc5

click for larger view

And the a-pawn will also fall.)

27. .. Rxd3 28. cxb7 Rb8 29. c6

click for larger view

Looks scary for Black, but: Qh1+ 30. Qf1 Qxe4+ 31. Qe2 Qh1+ 32. Qf1 Qxc6! 33. Qxd3 Rxb7

click for larger view

Who is winnning here? Black!

34. Rc2

(If 34. Nxe5 Qh1+ 35. Kd2 Rxb2+ 36. Rc2 Rb1 37. Qe2 Qh4 38. Kd3 Rb3+ 39. Kc4 d3+)

34. .. Rc7 35. Rc1 Qe6 36. Nd2 Rxc1+ 37. Bxc1 Qc6 38. Bb2 Qb7 39. Bc1 Qh1+ 40. Nf1 h5 41. f4 Qh4+ 42. Qg3 Be7

click for larger view

43. Qxh4 Bxh4+ 44. Ke2 e4 45. Kd1 e3

click for larger view

and White will have to give back a piece to liquidate the two Black passers, leaving him lost. Amazing!

Premium Chessgames Member
  al wazir: <abuzic>: You're right about 23. Nh2 Nf4+ 24. Kh1 Qxe2, etc., but I couldn't follow the rest of your analysis.

24. Kf1 may be better. If 24...Qxe2 25. Bxe2, white remains a piece up.

Jan-04-12  TheoNov: Move 23.?

click for larger view

<abuzic: ... 23. Nh2 Nf4+ 24. Kh1 Qxe2, etc. loses>

<al wazir: 24. Kf1 may be better. If 24...Qxe2 25. Bxe2, white remains a piece up.>

<abuzic> is right -- 23.Nh2 loses. 24. Kf1 fails to 24...Qh3+

According to Houdini, best for White was the counter-intuitive 23. Kh1! Rxf3 (23. .. Qxf3+ 24. Qxf3 Rxf3 25. Be2 loses a piece) 24. Rg2 Nf6 25. Rh2 Rxd3 (25. .. g5 26. b5 Rxd3 27. Qxd3 Nd8 28. Nxe5 is worse) 26. Qxd3 Nxe4 27. Kg2 Qf5 28. Kf1 f6 29. Re1 Nd6 30. Qxf5 Nxf5 31. g4 b5 32. cxb6 Nd6 33. Rc1

click for larger view

with a comfortable advantage for White. The interesting thing about the above line starting with 23.Kh1 is that it is mostly "forced", in that the alternative moves for each side are significantly worse than the mainline (the exceptions are 25.Rh2, where 25.Re1, 25.Nd2, 25.Bc2 or 25.Kg1 are also possible, and 31...b5, where 31...Nfe7 can be played).

Oct-23-12  bystander: I was so surprized that white choose to develop his queenside in this game. I thought the aim of white in the Colle defense is an attack in the centre/kingside. So I would have expected 11)e5 instead of 11)b4.
Oct-23-12  bystander: 21) h3 weakens the kingside of white. What about 21)♕d1 ♖e8 22) b5 ♘d8 23) ♗e2? My sillicon monster also prefers Qd1 on move 24, but black is already one pawn up by then and I do not see what's the compemsation for white, or how white should continue.
Oct-23-12  bystander: On second thoughts, the first part of my previous post is not valid. 21) h3 is a very good move als long white plays 24) Kh1 instead of 24) Kf1 as pointed out by <Theonov jan-04-12> Sometimes when a game is a puzzle or when live kibites are posted, there is so much information that you miss the really interesting posts.
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