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Subject: Q&A with Feng-Hsiung Hsu

Author: Andrew Williams

Date: 09:00:39 10/13/02

Several people asked:

Question: What does "12(6)" mean in Deep Blue's logs?

Dr Hsu said, "12(6) means 12 plies of brute force (not counting the search
extensions & quiescence). 6 means the maximum hardware search depth allowed.
this means that the PV could be up to 6 plies deeper before quiescence."

Unfortunately questions were being fed through a third-party, so it wasn't
possible to get a follow-up.

Andrew

Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 18:20:32 10/13/02
- Re: Q&A with Feng-Hsiung Hsu Andreas Guettinger 01:53:28 10/14/02
  - Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 10:28:23 10/14/02
  - Re: Q&A with Feng-Hsiung Hsu Vincent Diepeveen 08:31:35 10/14/02
    - Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 10:36:52 10/14/02
Re: Q&A with Feng-Hsiung Hsu Vincent Diepeveen 11:25:00 10/13/02
- Re: Q&A with Feng-Hsiung Hsu Keith Evans 20:10:38 10/13/02
  - Re: Q&A with Feng-Hsiung Hsu Slater Wold 23:43:37 10/13/02
    - Re: Q&A with Feng-Hsiung Hsu Vincent Diepeveen 02:12:59 10/14/02
      - Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 10:40:46 10/14/02
- Re: Q&A with Feng-Hsiung Hsu James Swafford 11:40:12 10/13/02
  - Re: Q&A with Feng-Hsiung Hsu Vincent Diepeveen 12:35:12 10/13/02
    - Re: Q&A with Feng-Hsiung Hsu Dave Gomboc 04:05:42 10/14/02
      - Re: Q&A with Feng-Hsiung Hsu Vincent Diepeveen 06:44:06 10/14/02
        
        Re: Q&A with Feng-Hsiung Hsu Jeremiah Penery 00:27:34 10/15/02
        
        Re: Q&A with Feng-Hsiung Hsu Vincent Diepeveen 03:46:29 10/16/02
        
        Re: Q&A with Feng-Hsiung Hsu Jeremiah Penery 04:50:01 10/16/02
        
        Re: Q&A with Feng-Hsiung Hsu Dave Gomboc 18:39:43 10/14/02
        
        Re: Q&A with Feng-Hsiung Hsu Vincent Diepeveen 04:01:27 10/16/02
        
        Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 18:25:16 10/16/02
        
        Re: Plese a translation for a change (was Q&A with Feng-Hsiung Hsu Rolf Tueschen 19:23:08 10/14/02
        
        Re: Q&A with Feng-Hsiung Hsu James Swafford 07:06:39 10/14/02
        
        Re: Q&A with Feng-Hsiung Hsu Uri Blass 09:09:25 10/14/02
        
        Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 10:44:03 10/14/02
        
        Re: Q&A with Feng-Hsiung Hsu James Swafford 09:39:50 10/14/02
        
        Re: Q&A with Feng-Hsiung Hsu Vincent Diepeveen 07:20:14 10/14/02
        
        Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 10:46:26 10/14/02
      - Re: Q&A with Feng-Hsiung Hsu James Swafford 05:39:40 10/14/02
    - Re: Q&A with Feng-Hsiung Hsu Andreas Guettinger 02:13:03 10/14/02
      - Re: Q&A with Feng-Hsiung Hsu Vincent Diepeveen 03:08:44 10/14/02
        
        Re: Q&A with Feng-Hsiung Hsu James Swafford 10:31:07 10/15/02
        
        Re: Q&A with Feng-Hsiung Hsu Vincent Diepeveen 04:31:01 10/16/02
        
        Re: Q&A with Feng-Hsiung Hsu Jeremiah Penery 06:40:21 10/16/02
        
        Re: Q&A with Feng-Hsiung Hsu Vincent Diepeveen 15:24:24 10/16/02
        
        Re: Q&A with Feng-Hsiung Hsu Uri Blass 08:05:50 10/16/02
        
        Re: Q&A with Feng-Hsiung Hsu Jeremiah Penery 14:44:11 10/16/02
        
        Re: Q&A with Feng-Hsiung Hsu Vincent Diepeveen 15:28:37 10/16/02
    - Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 18:27:08 10/13/02
      - Re: Q&A with Feng-Hsiung Hsu Bas Hamstra 04:34:16 10/14/02
        
        Re: Q&A with Feng-Hsiung Hsu Johan Melin 11:01:35 10/15/02
        
        Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 20:35:10 10/16/02
        
        Re: Q&A with Feng-Hsiung Hsu Vincent Diepeveen 10:35:57 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Jeremiah Penery 19:29:42 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Jeremiah Penery 19:25:38 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 21:05:36 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Jeremiah Penery 22:00:17 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 14:52:46 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Johan Melin 03:13:26 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Vincent Diepeveen 10:06:26 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 07:41:20 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Uri Blass 08:34:35 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 15:21:06 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Uri Blass 17:50:55 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 21:00:17 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Uri Blass 00:11:41 10/18/02
        
        Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 11:59:09 10/18/02
        
        Re: Q&A with Feng-Hsiung Hsu Uri Blass 12:02:57 10/18/02
        
        Re: Q&A with Feng-Hsiung Hsu Jeremiah Penery 19:18:07 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 21:02:43 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Vincent Diepeveen 10:26:54 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Jeremiah Penery 19:14:19 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Vincent Diepeveen 11:40:37 10/18/02
        
        Re: Q&A with Feng-Hsiung Hsu Jeremiah Penery 16:32:38 10/18/02
        
        Re: Q&A with Feng-Hsiung Hsu Jeremiah Penery 03:46:50 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Vincent Diepeveen 10:09:58 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Jeremiah Penery 15:14:56 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Uri Blass 17:58:39 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Jeremiah Penery 19:22:29 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Vincent Diepeveen 11:52:13 10/18/02
        
        Re: Q&A with Feng-Hsiung Hsu Uri Blass 04:04:42 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Jeremiah Penery 04:21:24 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Uri Blass 05:01:56 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 07:46:42 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Vincent Diepeveen 10:13:21 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 12:09:15 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Uri Blass 08:08:19 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 09:02:04 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Uri Blass 00:09:17 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 07:50:06 10/17/02
        
        Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 10:48:26 10/14/02
        
        Re: Q&A with Feng-Hsiung Hsu Uri Blass 12:17:20 10/14/02
        
        Re: Q&A with Feng-Hsiung Hsu Jeremiah Penery 16:13:22 10/14/02
        
        Re: Q&A with Feng-Hsiung Hsu Uri Blass 16:27:52 10/14/02
        
        Re: Q&A with Feng-Hsiung Hsu Jeremiah Penery 23:13:23 10/14/02
        
        Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 12:24:57 10/14/02
        
        Re: Q&A with Feng-Hsiung Hsu Bas Hamstra 12:54:10 10/14/02
        
        Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 14:36:11 10/14/02
        
        Re: Q&A with Feng-Hsiung Hsu Uri Blass 14:45:55 10/14/02
      - Re: Q&A with Feng-Hsiung Hsu Vincent Diepeveen 03:13:40 10/14/02
        
        Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 10:49:51 10/14/02
    - note Vincent Diepeveen 12:47:14 10/13/02
      - Re: note Robert Hyatt 18:33:49 10/13/02
Re: Q&A with Feng-Hsiung Hsu Frank Phillips 11:10:04 10/13/02
Re: Q&A with Feng-Hsiung Hsu Peter Berger 10:19:34 10/13/02
- Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 20:09:48 10/13/02
- Re: Q&A with Feng-Hsiung Hsu Jeremiah Penery 10:50:24 10/13/02
  - Re: Q&A with Feng-Hsiung Hsu Vincent Diepeveen 11:14:13 10/13/02
    - Re: Q&A with Feng-Hsiung Hsu Jeremiah Penery 12:47:43 10/13/02
      - Re: Q&A with Feng-Hsiung Hsu Vincent Diepeveen 12:55:05 10/13/02
        
        Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 18:38:29 10/13/02
        
        Re: Q&A with Feng-Hsiung Hsu Jeremiah Penery 13:55:32 10/13/02
        
        Re: Q&A with Feng-Hsiung Hsu Vincent Diepeveen 14:19:50 10/13/02
        
        Re: Q&A with Feng-Hsiung Hsu Jeremiah Penery 16:13:34 10/13/02
        
        Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 18:40:42 10/13/02
        
        Re: Q&A with Feng-Hsiung Hsu Jeremiah Penery 19:48:10 10/13/02
        
        Re: Q&A with Feng-Hsiung Hsu Daniel Clausen 01:29:41 10/14/02
        
        Re: Q&A with Feng-Hsiung Hsu Vincent Diepeveen 03:34:43 10/14/02
        
        Re: Q&A with Feng-Hsiung Hsu Jeremiah Penery 16:09:20 10/14/02
        
        Re: Q&A with Feng-Hsiung Hsu James Swafford 05:59:37 10/14/02
        
        Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 10:51:25 10/14/02
        
        Re: Q&A with Feng-Hsiung Hsu James Swafford 19:22:21 10/14/02
        
        Re: Q&A with Feng-Hsiung Hsu Vincent Diepeveen 07:01:47 10/14/02
        
        Re: Q&A with Feng-Hsiung Hsu Robert Hyatt 10:55:24 10/14/02
        
        impossibility of b.f. <= 4 when searching fullwidth. Vincent Diepeveen 07:18:36 10/14/02
        
        Re: impossibility of b.f. <= 4 when searching fullwidth. James Swafford 09:53:49 10/14/02
        
        counter example Vincent Diepeveen 13:05:21 10/13/02
    - Re: Q&A with Feng-Hsiung Hsu James Swafford 11:36:07 10/13/02
      - 12(6) = 12 ply in total nominal Vincent Diepeveen 12:02:47 10/13/02

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