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Subject: Re: Junior 9 (important endgame weakness)

Author: James T. Walker

Date: 14:48:43 01/08/05

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It's funny that my Junior 9 does not make the moves in the second/third
positions.  Even so I wonder why Rd1 loses in the first position.  Junior must
have made another mistake sometime later.  Here is my Junior 9 analysis on
XP2400+.

New game,
[D]3r1k2/1p3ppp/8/1p6/8/5P2/PPP4P/2K4R w - - 0 1

Analysis by Junior 9:

1.f4 Ke7
  ³  (-0.28)   Depth: 3   00:00:00
1.b4 Ke7
  =  (-0.23)   Depth: 3   00:00:00
1.Rd1 Ke7 2.b4
  =  (0.24)   Depth: 3   00:00:00
1.Rd1 Rxd1+ 2.Kxd1 Ke7 3.Ke2 Kd6 4.Kd3
  ²  (0.33)   Depth: 6   00:00:00  1kN
1.Re1 Rd5 2.Re4
  ²  (0.39)   Depth: 6   00:00:00  2kN
1.Re1 Rd5 2.h4 Rd4 3.Re4 Rxe4 4.fxe4
  ²  (0.34)   Depth: 9   00:00:00  6kN
1.Re1 Rd5 2.f4 g5 3.fxg5 Rxg5 4.h4 Rg2 5.Re5
  ²  (0.26)   Depth: 12   00:00:00  47kN
1.Rd1 Rxd1+ 2.Kxd1 Ke7 3.Kd2 Kd6 4.Kc3 Kc5 5.b4+ Kd5 6.Kd3
  ²  (0.33)   Depth: 12   00:00:00  126kN
1.Rd1 Rxd1+ 2.Kxd1 Ke7 3.Kd2 Kd6 4.Kc3 Kc5 5.b4+ Kd5 6.h4 h5 7.Kd3
  ²  (0.33)   Depth: 15   00:00:01  549kN
1.Rd1 Rxd1+ 2.Kxd1 Ke7 3.Kd2 Kd6 4.Kc3 Kc5 5.Kd3 f5 6.h4 h5 7.f4
  ²  (0.28)   Depth: 18   00:00:03  3150kN
1.Rd1 Rxd1+ 2.Kxd1 Ke7 3.Kd2 Kd6 4.Kc3 Kc5 5.f4 f5 6.b4+ Kd5 7.Kd3 h5 8.h4 g6
  =  (0.24)   Depth: 21   00:00:16  19344kN
1.Rd1 Rxd1+ 2.Kxd1 Ke7 3.Kd2 Kd6 4.Kc3 Kc5 5.Kd3 Kd5 6.h4 h5 7.a3 f5 8.b4
  ²  (0.27)   Depth: 23   00:01:05  84282kN, tb=12



New game,
[D]8/5pkp/4pp2/8/qQ6/P5PP/5P2/6K1 b - - 0 1

Analysis by Junior 9:

1...Qxb4 2.axb4 Kg6 3.b5 Kf5
  ²  (0.47)   Depth: 3   00:00:00
1...Qd1+ 2.Kh2 Kg6 3.a4 Kf5
  ²  (0.27)   Depth: 6   00:00:00  4kN
1...Qd1+ 2.Kh2 Kg6 3.a4 Kf5
  ²  (0.27)   Depth: 6   00:00:00  4kN
1...Qd1+ 2.Kh2 Qc2 3.Kg2 Kg6 4.a4 Qc6+ 5.Kh2 Qd5
  ²  (0.34)   Depth: 9   00:00:00  88kN
1...Qd1+ 2.Kg2 Qd5+ 3.Kh2 Qa2 4.Kg1 Qd5 5.a4 Kg6 6.a5 Kf5
  ²  (0.35)   Depth: 12   00:00:01  1157kN
1...Qd1+ 2.Kg2 Qd5+ 3.Kh2 Qa2 4.Kg1 e5 5.a4 h5 6.a5 Kg6 7.Qc5 Qb3
  ²  (0.42)   Depth: 15   00:00:04  5749kN, tb=2
1...Qd1+ 2.Kg2 Qd5+ 3.Kh2 Qa2 4.Kg1 Qc2 5.a4
  ²  (0.42)   Depth: 18   00:00:39  62404kN, tb=462


New game,
[D]8/2k5/p3r2p/2P5/R3p1p1/4K1P1/7P/8 w - - 0 1

Analysis by Junior 9:

1.c6 Kxc6 2.Rxa6+ Kd5 3.Rxe6
  µ  (-1.32)   Depth: 3   00:00:00
1.Ra1 Kd7
  µ  (-0.88)   Depth: 3   00:00:00
1.Ra3 Kd7
  µ  (-0.86)   Depth: 3   00:00:00
1.Rxe4 Rxe4+ 2.Kxe4 Kc6 3.Kf5 Kxc5 4.Kxg4
  =  (-0.24)   Depth: 3   00:00:00
1.Rxe4 Rxe4+ 2.Kxe4 a5 3.Kd5 a4 4.Kd4 Kc6
  -+  (-1.86)   Depth: 6   00:00:00  3kN
1.Ra3 Kd7 2.Kd4
  ³  (-0.57)   Depth: 6   00:00:00  3kN
1.Rb4 a5 2.Ra4 Kc6 3.Rxa5
  ³  (-0.35)   Depth: 6   00:00:00  5kN
1.Rb4 h5 2.Rxe4 Rxe4+ 3.Kxe4 Kc6 4.Kd4 a5 5.Kc4 a4
  ³  (-0.67)   Depth: 9   00:00:00  13kN
1.Ra3 Kd7 2.Ra4 a5 3.Rxa5 Kc6
  ³  (-0.34)   Depth: 9   00:00:00  17kN
1.Ra3 Kd7 2.Kd4 h5 3.Re3 a5 4.Rxe4 Rxe4+ 5.Kxe4
  ³  (-0.31)   Depth: 12   00:00:00  116kN
1.Ra3 h5 2.Ra4 Kb7 3.Ra3 Re7 4.Kd4 Rc7 5.Kd5
  ³  (-0.45)   Depth: 15   00:00:01  705kN, tb=1
1.Ra3 h5 2.Ra4 Kb7 3.Ra3 Re7 4.Kd4 e3 5.Rxe3 Rxe3 6.Kxe3 Kc6 7.Kd4
  ³  (-0.45)   Depth: 18   00:00:03  4323kN, tb=63
1.Ra3 Kd7 2.Ra1 Kd8 3.Ra3 Kc8 4.Rb3
  ³  (-0.45)   Depth: 21   00:00:23  31209kN, tb=1108
1.Ra3 Kd7 2.Ra1 h5 3.Ra5 Ke7 4.Ra2 Kd8 5.Ra4 Kc7
  ³  (-0.41)   Depth: 23   00:01:19  103356kN, tb=6395




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