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Subject: Re: Most brilliant novelty from cct7 Witchess-Arasan

Author: Steffen Jakob

Date: 08:29:34 02/14/05

Go up one level in this thread


On February 14, 2005 at 10:56:24, Vincent Diepeveen wrote:

// ...

>>I analyzed this overnight with Crafty but didn't find where Arasan
>>went wrong. I didn't like 7.. Ne7 and 7.. Bd6 seems to be better -
>>this has occurred in a few games with this line. After Ne7, Arasan
>>had its Bishop locked in and failed to develop it.
>
>I watched this game live and found it a very strong game from witchess.
>Especially because it plays without book. Let's be honest there. That's 700
>rating points (a real strong book).
>
>>1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6 4. Nf3 Nxe4 5. Nxe4 d5 6. Bd3 dxe4
>>7. Bxe4 Ne7
>
>Ne7 was first move out of book and to me it looked not only very strong, it is
>also well known theory.
>
>>8. c3
>
>Personally i would have played Bd3 there, but c3 is a very solid setup.
>
>> f5 9. Bc2 e4 10. Ne5 Qd5 11. f4 exf3 12. Nxf3 Qe6+
>>13. Kf2
>
>Kf2 is simply the best move. Amazingly no one plays it.

[D]r1b1kb1r/ppp1n1pp/4q3/5p2/8/2P2N2/PPBP2PP/R1BQK2R w KQkq

Hossa also wants to play Kf2 right from the beginning, soon getting a score > 1:

 depth   value    time    nodes pv
    1    +0.62    0.10        2 1.Kf2
   <1>   +0.62    0.15       14 1.Kf2
    2    +0.33    0.20       66 1.Kf2 e7c6
   <2>   +0.33    0.25       90 1.Kf2 e7c6
    3    +0.75    0.31      406 1.Kf2
    3    +0.82    0.36      980 1.Kf2 g6 2.h1e1
   <3>   +0.82    0.42     1045 1.Kf2 g6 2.h1e1
    4    +0.84    0.48     3854 1.Kf2 e6g6 2.d4 c8d7
   <4>   +0.84    0.54     4076 1.Kf2 e6g6 2.d4 c8d7
    5    +0.75    0.68    13289 1.Kf2 e6b6 2.d4 c8d7 3.f3e5 O-O-O
   <5>   +0.75    0.68    13758 1.Kf2 e6b6 2.d4 c8d7 3.f3e5 O-O-O
    6    +0.95    0.87    34285 1.Kf2 e6b6 2.d4 c8d7 3.h1e1 O-O-O
                                4.c2b3
   <6>   +0.95    0.99    35272 1.Kf2 e6b6 2.d4 c8d7 3.h1e1 O-O-O
                                4.c2b3
    7    +0.86    1.35    96957 1.Kf2 c8d7 2.h1e1 e6d6 3.c2b3 O-O-O
                                4.d4
   <7>   +0.86    1.47   100530 1.Kf2 c8d7 2.h1e1 e6d6 3.c2b3 O-O-O
                                4.d4
    8    +0.74    1.82   172697 1.Kf2 c8d7 2.h1e1 e6d6 3.d4 O-O-O
                                4.Kg1 d8e8
   <8>   +0.74    1.95   182919 1.Kf2 c8d7 2.h1e1 e6d6 3.d4 O-O-O
                                4.Kg1 d8e8
    9    +0.97    2.68   406484 1.Kf2 c8d7 2.h1e1 e6d6 3.d4 O-O-O
                                4.Kg1 d8e8 5.f3e5
   <9>   +0.97    2.73   407219 1.Kf2 c8d7 2.h1e1 e6d6 3.d4 O-O-O
                                4.Kg1 d8e8 5.f3e5
   10    +1.03    4.51  1002123 1.Kf2 c8d7 2.h1e1 e6f6 3.d4 O-O-O
                                4.c1g5 f6d6 5.f3e5 d8e8
  <10>   +1.03    4.64  1010453 1.Kf2 c8d7 2.h1e1 e6f6 3.d4 O-O-O
                                4.c1g5 f6d6 5.f3e5 d8e8
   11    +1.26   10.98  3257340 1.Kf2 c8d7 2.h1e1 e6b6 3.d4 O-O-O
                                4.Kg1 c5 5.d4xc5 b6xc5 6.c1e3 c5b5
                                7.b4
  <11>   +1.26   11.21  3278980 1.Kf2 c8d7 2.h1e1 e6b6 3.d4 O-O-O
                                4.Kg1 c5 5.d4xc5 b6xc5 6.c1e3 c5b5
                                7.b4
   12    +1.27   23.45  7463667 1.Kf2 c8d7 2.h1e1 e6f6 3.d4 f4
                                4.f3e5 O-O-O 5.e5xd7 d8xd7 6.Kg1 g5
  <12>   +1.27   23.70  7510966 1.Kf2 c8d7 2.h1e1 e6f6 3.d4 f4
                                4.f3e5 O-O-O 5.e5xd7 d8xd7 6.Kg1 g5
   13    +1.26   55.50 17539913 1.Kf2 e6b6 2.d4 c8e6 3.c2a4 c6
                                4.h1e1 e6d5 5.a4b3 O-O-O 6.b3xd5 e7xd5
                                7.d1c2 f4 8.Kg1
  <13>   +1.26   56.09 17685476 1.Kf2 e6b6 2.d4 c8e6 3.c2a4 c6
                                4.h1e1 e6d5 5.a4b3 O-O-O 6.b3xd5 e7xd5
                                7.d1c2 f4 8.Kg1
   14    +1.19    1:30 29408898 1.Kf2 e6b6 2.d4 c8e6 3.c2a4 c6
                                4.h1e1 e6d5 5.a4b3 O-O-O 6.b3xd5 e7xd5
                                7.d1c2 g6 8.c1g5 d8d7
  <14>   +1.19    1:31 29748385 1.Kf2 e6b6 2.d4 c8e6 3.c2a4 c6
                                4.h1e1 e6d5 5.a4b3 O-O-O 6.b3xd5 e7xd5
                                7.d1c2 g6 8.c1g5 d8d7

Greetings,
Steffen.

>
>> Qb6+
>
>I understand why programs go Qb6 here to avoid a quick d4-d5 later. However
>perhaps it's the wrong plan. Just development with Bd7 and you can still choose.
>
>Yet whites advantage is obvious after Bd7.
>
>For your own confidence, even the top programs see relative little score
>difference between Qb6 and other moves here. Only after a few moves they realize
>the problem bigtime for black.
>
>>14. d4 Be6 15. Ba4+ c6 16. Re1 Bd5 17. Bb3 O-O-O 18. Bg5
>
>After Bg5 the position is already completely won.
>
>>Qc7 19. Bxd5 cxd5 20. Qe2 Qb6 21. c4
>
>c4!!
>
>> Rd7 22. cxd5 Kb8 23. Qe5+ Ka8
>>24. d6 Rxd6 25. Bxe7 Bxe7 26. Qxe7 Rc8 27. Kg1 Rg8 28. Rac1 Rdd8
>> 1-0 {ArasanX resigns}
>
>It's a brilliant game from white.
>
>Black has made 0 mistakes and lost.
>
>>I was a bit surprised by 13. Kf2, keeping the Queens on -
>>Arasan expected Qd2 and a Queen exchange.
>
>13.Kf2!! is simply an improvement of the theory which deserves 2 exclamation
>marks.
>
>Because black has made 0 mistakes and white has shown a superb novelty, this
>is therefore the best game of the tournament by a large margin.
>
>>cEng played a nice attack and won handily.
>
>>Overall I am happy with a 4.5 score but it seems like you have to
>>keep improving to stay even - this is the best Arasan version I have
>
>50 points a year at least.
>
>>ever had, and the best hardware, and it is still finishing in the
>>middle of the field. As others have said, the amateur chess community
>>generally is improving.
>>
>>I appreciate the opportunity to have my program play and hope we will
>>do a CCT8.
>>
>>--Jon



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