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Harold James Plaskett vs Igor Vasilievich Ivanov
Ch Great Britain (1983), Brighton (England)
Reti Opening: General (A09)  ·  0-1
ANALYSIS [x]

FEN COPIED

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Given 7 times; par: 63 [what's this?]

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sac: 30...Qxc8 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
May-04-07  MostlyAverageJoe: <jkiipli: maybe white can draw after 38.fxe3 Bxe4 39.Qxb2 Rc2+ 40.Qxc2 Bxc2>

Doubtful. Black bishop will take residence on a8-h1. The black has better pawn structure and should take white apart after f7-f5 (which needs to be done soon).

May-04-07
Premium Chessgames Member
  SwitchingQuylthulg: Got that one easy. I seem to be lucky on Fridays (third "easy" Friday in a row, while I usually never get Thursday puzzles)... Although I don't know if I can claim full credit. I checked most defenses against ...Ne3 but not all of them. Still, I felt it was the move to play ;-)
May-04-07  Skylark: I got Ne3, but I didn't calculate the reply Bb1; I'm pretty tired, I've been studying for a tournament over this weekend and I couldn't really be bothered checking lines where the knight wasn't taken.

<More amazing thing about this game is that as early as move 30, white had the courage to give away Q for black N and R !! I don't think White could have calculated all possible lines from there on till end. So I use the word "courage". Rather he must have had the FEELING that he can win in the resulting position.> No one tries to calculate those sort of imbalances out to a forced win; it'd be like trying to prove that e4 wins from the starting position. What makes the pieces better in this situation is their activity; just like two pieces vs a rook, or 3 pieces vs a queen, or rook and piece (or even 2 pieces) vs a queen, or 3 pawns for a piece or whatever, it's only a difference. The queen is by no means necessarily stronger than a knight and rook - it can be if white's queen is active enough, but that is for the players to decide obviously.

May-04-07
Premium Chessgames Member
  Marmot PFL: You could almost get Ne3 by elimination - everything else is bad. Realise that black wins if he gets Rc1 with pb2, and that fe3 allows Rc2+ fork and you pretty much have it.
May-04-07  Kleve: Brilliant. Even after reading all your analysis, it took me like thirty minutes to understand.

Thanks for all your comments, all! One day I may play chess at your level.

May-04-07  LIFE Master AJ: Problem of the Day
(Friday; May 04th, 2007.)
BLACK to move. (37...???)


click for larger view

White pieces: Kh2, Qd4, Be4; Pawns - a5, e5, f2, g3, h4. / Black pieces: Kg7, Nd5, Bc6, Rc7; Pawns - b2, e6, f7, g6, h5.

37...???

May-04-07  LIFE Master AJ: I found 37...Ne3 pretty quickly, however, I discarded 38.Bb1 after some thought - believing it to be a mistake.

Apparently, I was correct, after Bb1 the evals take a drastic turn for the worse. (Although this is not easy to "see" for a human, especially when you are actually playing the game.)

Probably the best continuation was: >/= 38.Qxb2 Ng4+; 39.Kg1 Bxe4; 40.Qa3 Rb7; 41.f3 Rb1+; 42.Kg2 Bd5; 43.a6 Rb3; " " although Black should win without too much difficulty.

May-04-07
Premium Chessgames Member
  YouRang: Today I suffered from having a one track mind.

I was *certain* that the ultimate objective was to (1) move the knight to some devilishly threatening place while opening the a8-h1 diagonal, and (2) get the rook to the 1st rank where it supports the twin threats of ...b1=Q and Rh1#.

I looked and looked, but couldn't make it happen, so I peeked at the puzzle to see how it was done -- to find out that it wasn't. The real solution was way different from what I expected. Lessons to be learned...

May-04-07  newton296: black wins by useing the dual threat of mate and passing his q pawn. I couldnt figure this one due to my 1 track mind of figuring out how to q the b pawn only to realize when looking at the game I needed to combine the threat to q my passer with mate threats. nice played game from both sides and instructive finish!
May-04-07  D4n: The puzzle said Blacks turn to move, why did White move first? It changes the order of thinking and that.
May-04-07
Premium Chessgames Member
  kevin86: I saw a few of the themes,but I failed to put the problem together. I saw a possible desperato move by the knight-and then I saw how the white bishop overworked in trying to guard the long diagonal and stop the black pawn.Finally,I saw mate/promotion threats along the last row.

The text takes ALL of these into account and forces a quick win.

May-04-07  newton296: considered ne3! but figured blacks best response ... Qxb2 not bb1? and just giving up the (lsb) and getting the material back later pushing my own a5 passer! I dont see why white can't hold this ending? I dont get this one ?
May-04-07  MostlyAverageJoe: <LIFE Master AJ: I found 37...Ne3 pretty quickly, however, I discarded 38.Bb1 ... Probably the best continuation was: 38.Qxb2 ...>

Indeed, 38.Bb1 does accelerate the loss. Qxb2 is indeed the best response, but still losing (-3.48). 38.fxe3 is the second best (-4.11). Analysis done with HIARCS 11.1, 23-ply deep, so should be reasonably accurate for endgame.

The line proposed by HIARCS agrees with <LMAJ> up to 40.Qa3: 38. Qxb2 Ng4 39. Kg1 Bxe4 40. Qa3 Nxe5 <instead of Rb7 in LMAJ's line>.

After 40 ... Nxe5, the position is:


click for larger view

(white to move).

The white pawn appears doomed, and the black should win.

May-04-07  newton296: mostlyaveragejoe! Yes, your analysis clearly shows ( thx to graphic I wish i could figure out how to do) that the a pawn will not make it so my line Q x b2 isnt so good after all.
May-04-07  MostlyAverageJoe: <newton296: thx to graphic I wish i could figure out how to do>

See FEN Help Page.

Most chess programs should let you copy/paste FEN descriptions of positions.

May-04-07  zb2cr: Rotgut. I fell in love with the idea of 37. ... Nc3 and missed the correct play.
May-04-07
Premium Chessgames Member
  outplayer: I saw 37...Ne3 could be a move but I am still learning not to blitz these puzzles. 38.fxe3 Bxe4 39.Qxb2 and I didn't see 39...Rc2+.
May-04-07  Crowaholic: <D4n: The puzzle said Blacks turn to move, why did White move first?> Huh? Are you sure you are looking at the right move (37. after Qd4)?
May-04-07  IMDONE4: <mkrk17>, all black has to do at the end of the variation is play Rc2+, forking king and queen
May-04-07
Premium Chessgames Member
  fm avari viraf: After the brilliant move 37...Ne3 White seems to be in critical fettle. All other defensive lines show that Black should win & even the analysis done by HIARCS posted by <MostlyAverageJoe> is conclusive.
May-04-07  TheBB: I think I've seen a similar theme before (or this very game?!?) so I got this pretty quickly. Feels good, not often I get fridays.
May-04-07  Zorts: I can't believe I got it, but I set it up and manipulated the pieces--is that allowed?
May-05-07  Fisheremon: <Bingat29: Instead of 34. Qa7, I would prefer 34. Qb3. The pass b pawn needs immediate attention.> Perhaps, you meant 34.Qb2, but Black has 34...Rc3, so 34.Qa7 is more convincing (of course 33...b3?, better 33...Rc7!? defendable). White should play 37.Bb1! on a move earlier and win the game (Oops 37.Qd4?? perhaps a zeitnot blunder).
May-05-07
Premium Chessgames Member
  YouRang: <Zorts: I can't believe I got it, but I set it up and manipulated the pieces--is that allowed? >

Well, it's "allowed" in the sense that nobody can stop you; and nobody *really* cares. :-)

But it is normally considered that "solving a chess puzzle" means working it out in your head, as if you were actually playing by the rules (...which say that you may not touch/move pieces until you are ready to commit to a move).

Furthermore, solving a puzzle in your head does much more to enhance your ability to mentally "see" the board accurately a number of moves ahead, which of course, is a critical chess skill. IMO, it is far more gratifying to solve it in my head, than to announce here that "I got it".

On the other hand, if you just can't solve it, then working it out on a board until you understand it is more rewarding that just dismissing it.

In short, it's not so much a matter of being "allowed"; rather, it's a matter of your own sense of determination, gratification, and desire to develop as a chess player.

May-06-07  Zorts: I suck.
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