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Kateryna Lahno vs Maarten Etmans
Wijk aan Zee C Group 2004  ·  Sicilian Defense: Old Sicilian. Open (B32)  ·  1-0


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sac: 60.Rd4+ PGN: download | view Help: general | java-troubleshooting

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Kibitzer's Corner
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Jun-19-06   monad: <notyetagm: 60 d4+! is a great example of exploiting pinning the defender. >

Nicely put. I was thinking through treacle this morning and didn't see it. Your line of reasoning is helpful.

Jun-19-06   monad: <RandomVisitor: Better for Black might be 21...Bxa2 >

You're right: That makes a lovely game for Black, provided White plays 22.Nxa2 (22.Ra1 might be better, but let's dream a little ) 22...Rxe2 now a more or less forced sequence: 23.e5 Ne4 24.Qf3 Nf2+ 25.Kg1 Ng4+ and Black can slowly put the boot in, even though White goes on the rampage.


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Black to play move 30....? Could this be winning for Black? Maybe not.

Jun-19-06
Premium Chessgames Member
  alexmagnus: <This game is from the time when Kateryna Lahno was a hot prospect. She's stalled a little since then. Hopefully she'll recover her form.> Surely she will.And even more than just recover, but get better.
Jun-19-06   Halldor: If it wasn't for the black queen, White could mate two ways (Rd4 or g3), that's indication of an overworked piece, - so the black queen is overworked, it can't defend the d4-square and keep the g-pawn pinned, so 60.Rd4+! releases the pin.

It took me at least 20 sec. to get this, don't know if I get a point from <blingice>... :)

Jun-19-06
Premium Chessgames Member
  greensfield: Took me a little while to find. I was fiddling around with lines after 60.Qc4+ to start with! Nice one for a Monday.
Jun-19-06
Premium Chessgames Member
  dakgootje: <monad> for your diagram its pity that whites queen isnt eg on a5 else ...Qf2 would be possible ;-)

but the position as it is in your diagram i think its about drawish (very bad at anylising positions for which is better, but that doesnt matter), as material is equal, but white has a a-pawn, which i doubt is able to promote because white hasnt worlds best back-rank

Jun-19-06   itz2000: very easy.
got it in less then 10 seconds.
Jun-19-06   zb2cr: Perhaps 5 seconds. I first saw the possibility of g3#, noticed the Black Queen, then started looking and saw Rd4+.
Jun-19-06   Sami Jr: Nice forced sacrifice (moving bishop to block check only delays the mate). Coolest Monday puzzle I have ever seen.
Jun-19-06
Premium Chessgames Member
  gerpm: I still like Mondays!
Jun-19-06
Premium Chessgames Member
  YouRang: Good Monday puzzle. A nice, basic, overworked piece theme.

It is solved instantly once you notice the key points:

1. White has two mate threats, with g3# and Rd4#.

2. Both mate threats are stopped only by the black queen (pinning the g3 pawn and guarding d4).

3. The black queen can't effectively stop BOTH threats.

Jun-19-06   Castle In The Sky: A perfect Monday puzzle, this requires a little thought, but not too much to burn out the synapses.
Jun-19-06   RookFile: Only took a second.

Sometimes, it's also useful to recognize black's threats. So, first of all, in the diagrammed position before move 60, black is threating mate on g2.

Recognizing this right away helps you to realize white needs to look for checks to solve Monday's puzzle.

Jun-19-06   lopium: I thought of Qc4, which probably wins but in a longer way. Hard monday puzzle for me, or maybe my skills are leaving me.
Jun-19-06
Premium Chessgames Member
  kevin86: I like Monday puzzles:makes us all look like genyuses. The queen is deflected and allows the lethal pawn to advance one solo square.

Black must have been very sporting (allowing this pretty mate to take place over the board) or very dumb (to miss said mate). Of course if the queen declines to capture,the rook mates on g4-so resigning way the only option.

Jun-19-06
Premium Chessgames Member
  chessic eric: oh my goodness i missed it! Played 60.Qc4+...
Jun-19-06   DeepBlade: I dont find resigning the only option...

''Hey look, a bird!''
*snatches Q on f7*
''60. ...Qxd4!!''
''Haha sucker, its checkmate 61.g3+''
''Wuahahaha 61. ...Kh5, and I have a winning endgame'' ''Where is my Q!?''
*searches under chesstable*
''Hehe, Ill grab your scoresheet, this game never happened!'' ''What the hell is going on ?!''
''Wuahahha!!!''
*runs around crazyly*

Jun-19-06   apawnandafool: i couldn't figure out why this was so easy. i had qxg2 checkmate! oh, i said, it's monday. then i double-checked my answer...yep. checkmate alrighty. looked at the answer, and...nope. i got it wrong. completely wrong. it's not even black's move. :(
Jun-19-06   ExcellingCalculation: Pretty easy puzzle....but of course it is Monday
Jun-19-06   Paladin88doug: I also had spent a little bit of time on the Qc4+ line, just like prinsallan, I had gotten to Kg7 and deduced that the queen trade would be the best way to go with that line, but surely we aren't letting Black get off that easy, huh? Too many moves for Monday! The possibilities of g3 kept haunting my soul (lol) so I finally looked and Rd4+ smacked me right in the face! Game over!
Jun-19-06
Premium Chessgames Member
  nateinstein: <apawnandafool> That's pretty funny. I didn't see Qxg2 for black. I think that would be a little too easy even for a Monday :). Tomorrow's puzzle will be white to move and checkmate on f7 with queen.
Jun-21-06
Premium Chessgames Member
  patzer2: Black's overworked Queen cannot simultaneously maintain the pin on g2 and guard d4. So the puzzle solution 60. Rd4+! allows a quick mate.
Jun-21-06
Premium Chessgames Member
  Peligroso Patzer: <jahhaj:

This game is from the time when Kateryna Lahno was a hot prospect. She's stalled a little since then. Hopefully she'll recover her form.>

I see in her biographical summary that Ms. Lahno won the European Women's Championship in 2005. Not too bad a result for a player in a slump.

Jul-03-08   Chess Guevara: <DeepBlade> nice endgame (outside the board)
Oct-30-08
Premium Chessgames Member
  aazqua: Nice finish.
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