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Martyn J Corden vs John Moles
Oxford (1970)
French Defense: Winawer. Delayed Exchange Variation (C01)  ·  0-1

ANALYSIS [x]

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Kibitzer's Corner
Dec-07-03  Lawrence: Some of us of the Old Age Pensioner persuasion were a bit slow to see this one. After 10.....g5! the line is 11.Qxg5 (11.Qg3 is even worse for White) 11.....Bxe2 12.Bxe2 Qa3+ 13.Kb1 Ne4 (threatening 14.Nxc3+ and mate on the next move) 14.Rd3 Nxg5 15.Bxg5 and Black is up between 3.5 and 4.85 pawnsworth depending on which of these wonderful modern labour-saving devices you use to do your thinking for you.
Dec-08-03  chrisortega: holla
Dec-08-03  technical draw: <chrisortega> Maybe you mean,Hola?. Buena suerte con Sam.
Jan-07-04  AlexBabich: Can somebody give me that "modern device". I want it to do all my thinking. I tire my brain so much with all these thoughts!
Jan-07-04
Premium Chessgames Member
  patzer2: <Lawrence> Great explanation!

I see it as a combination of putting five tactical themes in the correct sequence:

Deflection (10...g5! 11. Qxg5) + Deflection by Removing the Guard (11...Bxe2 12. Bxe2) + Deflection (12...Qa3+) + Knight Fork (13. Kd2 Ne4+) or Double Attack (13. Kb1 Ne4) = win

Although I'm not yet drawing social security, it took me more than a few seconds. It was kind of like mentallly putting the pieces of a puzzle together to get the three forcing deflection moves in the correct sequence with the double attack/knight fork to come up with the winning combination.

Jan-07-04  AlexBabich: <patzer2>, What is the best solid opening line?
Jan-07-04  francescog: It seems to me that 9.Nxc3 would have been better... why did he choose to do bxc3? What do you think about that?
Jan-07-04  DWINS: francescog, Black wins the exchange after 9.Nxc3 Bg4 10.Nxd5 Bxf3 11.Nxe7 Bxd1 12.Nxc6 Bxc2 13.Kxc2 bxc6
Jan-07-04  Catfriend: Talking about the opening, why 7.Q:d5 is bad? And I utterly dislike 5.Qf3...
Jan-07-04
Premium Chessgames Member
  crafty: 11. ♕xg5 ♗xe2 12. ♗xe2 ♕a3+ 13. ♔b1 ♘e4   (eval -3.95; depth 16 ply; 750M nodes)
Jan-07-04  Lawrence: AlexBabich, you can still get a free copy of Crafty, I think, and it's a fabulous program.
Jan-07-04
Premium Chessgames Member
  patzer2: Surprisingly, the move 4. exd5 in this French Exchange (delayed) Variation has a very decent winning percentage of over 56% for white versus only 14% wins for Black. Although the small sample size (36 games) makes it suspect, the opening has seen a bit of renewed interest lately among a few strong players.

I think 5. Qf3?! is dubious at best. Better was <5. Bd3> as in the draws secured by White in the recent games V Belov vs B Sambuev, 2003 and Lahno vs S Ivanov, 2003

Jan-07-04
Premium Chessgames Member
  patzer2: <AlexBabich> To stay within the posting guidelines, I've answered your question at the Kibitzer's Cafe'.
Jan-07-04  John Doe: ... How hard would you rate this puzzle?

Many of my moves coincided with that variation... I took a cursory look over g5 but dismissed it, favoring a "better" first move. :(

Jan-07-04  Dick Brain: I'd rate this as an excellent puzzle. I've become accustomed on these puzzles to look for ways to attack exposed queens yet this wasn't easy for me. I didn't see it fast enough to be useful in an over-the-board game. It's very easy to get sidetracked with tries like 10... Bxe2 11 Be2 Qa3+ 12 Kc1 Ne4 13 Bd2 a5 intending to give up a knight to open the a-file with 14 ... Nb4.
Jan-07-04  Hidden Skillz: <Lawrence> where can u get it??
Jan-08-04
Premium Chessgames Member
  tamar: Holy Moly 10...g5!! I missed it.
Jan-08-04  Lawrence: Hidden Skillz and AlexBabich, you can find out how to load Crafty and Winboard--both free--at this address: http://www.mark-yatras.org/chess/
Jan-09-04  Hidden Skillz: thx man..
Dec-31-10  OldManGilgamesh: I suspect you have the White player's name incorectly spelt. If you compare with Psakhis's book on French Def 3.Nc3 Bb4 he gives the name as Corden, a name which appears in your player directory as Corden Martyn J. He also indicates that the game finishes 11.Qg5 Be2 12.Be2 Qa3.
Dec-31-10
Premium Chessgames Member
  perfidious: <Gilgamesh> This is all correct-White was indeed Martyn Corden.

<Catfriend> 5.Qf3 is indeed dubious, despite its successful maiden voyage in Larsen-Portisch, Amsterdam IZ 1964, and went into the shades altogether after 5....Qe7+ was discovered.

Corden, who was an excellent tactician, likely rejected 7.Qxd5 due to the rejoinder 7....Nf6, which leaves him struggling to get his pieces out of the box.

Dec-31-10  OldManGilgamesh: (perfidious) Thank you foryour affirmation. I guess you are probably my age group (66yrs) - 190-200BCF strength. I unfortunately fell victim to the same surprise when John Cannon of Horsham club sprang it on me! :(
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