Author: Dann Corbit
Date: 13:57:10 03/01/02
Go up one level in this thread
On March 01, 2002 at 15:54:31, ALI MIRAFZALI wrote: >The game Benjamin vs Gulko from the 1996 US championship was analyzed by >Deeper Blue (when Benjamin wasworking on the Project).Here are some moments >(courtesy of Joel Benjamin and Deeper Blue).I am not interested in whether >programs can see that white is winning here (because he obviously is) but rather >in how does a modern PC program Principal Variation for the position differ and >Compare to that of Deeper Blue.Here it is: >[D]8/3b4/6k1/2R5/6p1/4KpPP/8/8 w >59.hxg4 Bxg4 60.Rc4 Kg5 61.Rb4 Kh5 61.Rb4 Kh5 62.Rf4 Kg5 63.Ke4 Kh5 64.Rf8 Kg5 >65.Rg8+ Kh5 66.Ke3 Be6 67.Rh8+ Kg4 68.Kf2 Bd5 69.Rb8 Bc6 70.Rg8+ Kf5 71.g4+ Kf6 >72.g5+ Kf7 73.Rc8 Bd5 74.Rd8 Be4 75.Ke3 Be6 76.Rd6 Ba8 77.Kd4 >IF 76....Kg7 77.Ra6 f2 78.Rf6. >No information available on the time score or NPS for Deeper Blue.How does your >programs PV compare to the lines above? Here is Chessmaster 8000: Time Depth Score Positions Moves 0:00 7/8 2.22 104683 1. hxg4 Bxg4 2. Rc4 Kf5 3. Rf4+ Kg5 4. Rd4 Bh5 5. Rd5+ Kg6 6. Rxh5 Kxh5 7. Kxf3 0:01 8/9 2.14 264330 1. hxg4 Bxg4 2. Rc4 Kf5 3. Rf4+ Kg5 4. Kf2 Bh5 5. Rf8 Bg4 6. Rg8+ Kf5 0:01 8/9 2.19 322463 1. Rc7 Bf5 2. Rc6+ Kg5 3. h4+ Kh5 4. Kf2 Be6 5. Rc5+ Kg6 6. h5+ Kg7 7. Rc6 Bf5 0:03 9/10 2.22 611519 1. Rc7 Bf5 2. Rc6+ Kg5 3. h4+ Kh5 4. Rd6 Bc8 5. Rf6 Bd7 6. Kd2 Be8 7. Rf5+ Kh6 8. Ke1 0:07 10/11 2.22 1536858 1. Rc7 Bf5 2. Rc6+ Kh5 3. h4 Bd7 4. Rf6 Ba4 5. Rf5+ Kh6 6. Kf2 Bc2 7. Rf4 0:23 11/12 2.23 4716375 1. Rc7 Bf5 2. Rc6+ Kh5 3. h4 Bd7 4. Rf6 Ba4 5. Rf5+ Kh6 6. Kf2 Bd7 7. Rf4 Kg6 8. Rf8 0:59 12/13 2.34 11683390 1. Rc7 Bf5 2. Rc6+ Kh5 3. h4 Bd7 4. Rc7 Be6 5. Rc5+ Kg6 6. h5+ Kg7 7. h6+ Kh7 8. Rc7+ Kg8 9. Rg7+ Kh8 10. Kf2 Bf5 11. Rg5 3:22 13/14 2.24 38479990 1. Rc7 Bf5 2. h4 Kh6 3. Rc5 Bd7 4. Rd5 Bc8 5. h5 Bb7 6. Rf5 Kg7 7. Rf4 Kh6 8. Rf7 7:13 13/14 3.51 83076643 1. Rd5 Bf5 2. Rd8 gxh3 3. Kxf3 Kg5 4. Rd5 Kf6 5. g4 Bg6 6. Rd6+ Kg5 7. Kg3 Be4 8. Kxh3 Kf4 10:08 14/15 3.56 119247404 1. Rd5 Bf5 2. Rd8 gxh3 3. Kxf3 Kg5 4. Rd5 Kf6 5. g4 Bc8 6. Kg3 Be6 7. Rh5 Kg6 8. Rxh3 Kf6 25:37 15/16 3.62 309274374 1. Rd5 Bf5 2. Rd8 gxh3 3. Kxf3 Kg5 4. Rd5 h2 5. Kg2 Kf6 6. Kxh2 Bg4 7. Kg2 Ke6 8. Ra5 Be2 9. Kf2 Bd3 Both Chessmaster 8000 and Chess Tiger 14 like Rd5. I don't like either move (DB's hxg4 or Rd5 by the PC programs) as well has h4. Put the rook behind the passed pawn and apply the pressure. Once I get the rook to h2, there is nothing black can do to apply pressure. Maybe the plan fails, but it appeals to me.
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.