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Subject: Re: Diep vs. Tiger - Exchange sac and zugzwang

Author: Albert Silver

Date: 07:14:22 12/21/99

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On December 21, 1999 at 09:33:22, Vincent Diepeveen wrote:

>As you only post your wins,
>forgetting that you never lose:

I never said that, and that was also Diep's only win so far. There were other
wins by Tiger that I didn't mention either as I thought they weren't very
interesting.

>
>here an opening where diep plays a line that's in the books as winning
>advantage for white, but Diep slowly fights back and kills tiger.
>As we can see both books end after move 9 of white
>
>Unrated standard match, initial time: 30 minutes, increment: 8 seconds
>
>Move  SubtleOne          Secret
>----  ----------------   ----------------
>  1.  e4       (0:17)    e6       (0:00)
>  2.  d4       (0:10)    d5       (0:00)
>  3.  Nc3      (0:04)    Bb4      (0:00)
>  4.  e5       (0:04)    c5       (0:00)
>  5.  a3       (0:04)    Ba5      (0:00)
>  6.  b4       (0:04)    cxd4     (0:00)
>  7.  Nb5      (0:04)    Bc7      (0:00)
>  8.  f4       (0:04)    Ne7      (0:00)
>  9.  Nf3      (0:04)    Bd7      (0:00)
> 10.  Bd3      (1:57)    Bxb5     (2:50)
> 11.  Bxb5+    (0:04)    Nbc6     (1:04)
> 12.  Bd3      (0:08)    Bb6      (1:07)
> 13.  O-O      (0:45)    a6       (1:28)
> 14.  g3       (0:27)    Rc8      (1:54)
> 15.  Bb2      (1:16)    O-O      (0:00)
> 16.  Qd2      (2:48)    g6       (1:48)
> 17.  Nh4      (0:41)    Qc7      (0:56)
> 18.  Rfe1     (0:08)    a5       (0:43)
> 19.  b5       (0:40)    Nb8      (0:44)
> 20.  Nf3      (1:45)    a4       (0:41)
> 21.  Qf2      (0:39)    Ba5      (0:40)
> 22.  Reb1     (1:05)    Nf5      (0:34)
> 23.  Nxd4     (0:56)    Bb6      (0:00)
> 24.  Rc1      (2:01)    Nd7      (0:56)
> 25.  Kg2      (0:55)    Nc5      (0:37)
> 26.  Qf3      (0:37)    Nxd3     (1:03)
> 27.  cxd3     (0:32)    Qd7      (0:29)
> 28.  Nxf5     (1:24)    exf5     (0:22)
> 29.  Rab1     (1:33)    Rxc1     (0:00)
> 30.  Bxc1     (0:33)    Rc8      (0:00)
> 31.  Qd1      (0:20)    Qc7      (0:13)
> 32.  Bd2      (0:30)    Qc2      (0:50)
> 33.  Rc1      (1:22)    Qxd1     (0:00)
> 34.  Rxd1     (0:59)    Rc2      (0:00)
> 35.  Kh3      (2:23)    f6       (0:33)
> 36.  exf6     (0:07)    Kf7      (0:25)
> 37.  Bb4      (0:53)    Be3      (0:00)
> 38.  Be7      (1:05)    Rb2      (0:00)
> 39.  d4       (0:21)    Rxb5     (0:32)
> 40.  Bb4      (0:07)    Rb6      (0:24)
> 41.  Kg2      (0:05)    Rc6      (0:32)
> 42.  Kf3      (0:26)    Rc1      (0:31)
> 43.  Rxc1     (0:21)    Bxc1     (0:08)
> 44.  Be7      (0:07)    g5       (0:23)
> 45.  fxg5     (0:37)    Bxg5     (0:00)
> 46.  Bc5      (0:53)    Kxf6     (0:30)
> 47.  Ke2      (0:16)    Ke6      (0:13)
> 48.  Kd3      (0:29)    f4       (0:38)
> 49.  gxf4     (0:29)    Bxf4     (0:00)
> 50.  h3       (0:08)    Bc7      (0:29)
> 51.  Kc3      (0:15)    b6       (0:28)
> 52.  Bf8      (0:14)    Bf4      (0:27)
> 53.  Bb4      (0:17)    Bg3      (0:27)
> 54.  Kc2      (0:10)    Kf5      (0:27)
> 55.  Kd3      (0:21)    Kf4      (0:04)
> 56.  Be7      (0:12)    Bf2      (0:26)
> 57.  Bd8      (0:17)    b5       (0:25)
> 58.  Bc7+     (0:12)    Kf3      (0:25)
> 59.  Kc3      (0:07)    Be1+     (0:24)
> 60.  Kd3      (0:06)    Kg2      (0:17)
> 61.  Bb6      (0:05)    Kxh3     (0:24)
> 62.  Ke2      (0:08)    Bg3      (0:15)
> 63.  Kf1      (0:05)    Bd6      (0:23)
> 64.  Ke2      (0:15)    Kg2      (0:07)
> 65.  Kd3      (0:13)    h5       (0:09)
> 66.  Bc5      (0:08)    Bg3      (0:23)
> 67.  Kc3      (0:06)    h4       (0:22)
> 68.  Kb4      (0:11)    h3       (0:09)
> 69.  Kxb5     (0:05)    h2       (0:16)
> 70.  Kxa4     (0:06)    h1=Q     (0:12)
>       {White resigns} 0-1
>
>
>
>On December 21, 1999 at 08:58:43, Albert Silver wrote:
>
>>This was played last night on ICC. Tiger's play was quite interesting and it's
>>exchange sacrifice, plus the way it forced a zugzwang on Diep made for a nice
>>game. The game was in 45 minutes plus a 6 second increment. Diep ran on a dual
>>Celeron 550 with 128 Mb Ram and Tiger ran on a K6-2/350 with 64 Mb Ram (32 for
>>the hash). 11...Ng6 was Tiger's first move out of book.
>
>Incredible that this line is 11 moves in book. you told me your book sucked?
>Big liar!

??? For your information, every line I have seen goes from 9 up to 13 moves. No
exceptions. That is hardly a great book, plus I'm not even very sure about the
quality of the lines Tiger chooses with the CA book.

                                  Albert Silver

>>[Event "ICC 45 6 u"]
>>[Site "Internet Chess Club"]
>>[Date "1999.12.20"]
>>[Round "-"]
>>[White "Secret"]
>>[Black "SubtleOne"]
>>[Result "0-1"]
>>[ICCResult "White checkmated"]
>>[WhiteElo "2599"]
>>[BlackElo "2516"]
>>[Opening "French: advance, Paulsen attack"]
>>[ECO "C02"]
>>[NIC "FR.03"]
>>[Time "18:25:13"]
>>[TimeControl "2700+6"]
>>
>>1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 c4 7. Nbd2 Na5 8. Be2
>>Bd7 9. O-O Ne7 10. Rb1 h6 11. Re1 Ng6 12. Nf1 Nb3 13. Be3 Be7 14. Ng3 Ba4



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