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Subject: Re: A long travel for the king (test pos)

Author: Vincent Lejeune

Date: 11:58:15 10/10/00

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On October 09, 2000 at 08:56:30, Vincent Lejeune wrote:

>[Event ""]
>[Site "Groningen"]
>[Date "2000.09.28"]
>[Round "2"]
>[White "Q5T"]
>[Black "Century 2.0, Rebel"]
>[Result "1-0"]
>
>1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6
>6.Be3 e6 7.f3 b5 8.Qd2 Nbd7 9.O-O-O Bb7 10.g4 Nb6
>11.Qf2 Nfd7 12.Kb1 Rc8 13.Bd3 b4 14.Nce2 Nc5 15.c3 bxc3
>16.Nxc3 d5 17.Nb3 d4 18.Bxa6 Bxa6 19.Nxc5 Bxc5 20.Bxd4 Qe7
>21.Bxc5 Rxc5 22.Qd4 O-O 23.Qd6 Qxd6 24.Rxd6 Rb8 25.Rxb6 Rxb6
>26.Na4 Bd3+ 27.Ka1 Rbb5 28.Nxc5 Rxc5 29.b4 Rc8 30.Kb2 Be2
>31.Re1 Bxf3 32.Kb3 Rd8 33.a4 Bd1+ 34.Rxd1 Rxd1 35.a5 Ra1
>36.Kc3 g5 37.Kb2 Rh1 38.b5 Rxh2+ 39.Kb3 Rh1 40.Ka2 Rd1
>41.b6 Rd2+ 42.Ka3 Rd3+ 43.Kb4 Rd1 44.a6 Kg7 45.b7 Rb1+
>46.Kc5 e5 47.a7 Rxb7 48.a8=Q Rb1 49.Kd6 Rf1 50.Kxe5 Rf4
>51.Qc8 h6 52.Qd8 Rf3 53.Qd1 Rf6 54.Kd5 Ra6 55.Qd3 Ra2
>56.Qc4 Rd2+ 57.Kc5 Rd7 58.Qa4 Rd2 59.Qb4 Rd1 60.Qc3+ f6
>61.e5 fxe5 62.Qxe5+ Kg6 63.Qe4+ Kg7 64.Qb7+ Kg6 65.Qb3 Rc1+
>66.Kd6 Kh7 67.Qe3 Ra1 68.Qe4+ Kg8 69.Qg6+ Kh8 1-0
>
>
>[d]6k1/5ppp/4p3/P7/1P2P1P1/1K6/7P/3r4 b - - id Q5T - Century 2.0, Rebel;
>
>In this position, 35th move, RC 2.0 (as many chess engines) didn't find a good
>move, better is :
>
>as a human will think, king does nothing at g8 and there's a dangerous duo pawns
>on the other side of the board, so : 1... Kf8 2. a6 Ke7 3. b5 Kd6
>
>as a computer will think, to rise some positional evaluation at "small" depth,
>trying to create a passed f pawn : 1... h5 2. g5 f5 3. gxf6 gxf6 4. a6 Ra1 5. b5
>f5 6. exf5 exf5 7. Kc4 f4 8. Kd3 Ra5 9. Ke4 Rxb5 10. Kxf4 Ra5 *
>
>In the game, black gave some check but white king use this check to find a
>better place on the board, and the black rook gave up an open lines, at d1 the
>rook have the opportunity to go on many interresting squares ...

Hiarcs 7.32 doesn't play well in this position :


New game - Hiarcs 7.32
6k1/5ppp/4p3/P7/1P2P1P1/1K6/7P/3r4 b - - 0 1

Analysis by Hiarcs 7.32:

35...Re1 36.b5
  -+  (-4.83)   Depth: 1   00:00:00
35...Re1 36.b5
  -+  (-4.83)   Depth: 2/2   00:00:00
35...Re1 36.b5
  -+  (-4.83)   Depth: 3/2   00:00:00
35...Re1 36.b5
  -+  (-4.83)   Depth: 4/2   00:00:00
35...Re1 36.a6
  -+  (-4.58)   Depth: 5/2   00:00:00  2kN
35...Re1 36.a6 Kf8 37.e5
  -+  (-4.47)   Depth: 5/16   00:00:00  5kN
35...Ra1 36.e5 Kf8 37.Kc4 Ke7
  -+  (-4.66)   Depth: 5/17   00:00:00  7kN
35...Ra1 36.h4 Kf8 37.Kb2 Ra4 38.Kb3
  -+  (-4.62)   Depth: 6/18   00:00:00  48kN
35...Rd3+ 36.Kc4 Rh3 37.b5 Rxh2 38.b6
  -+  (-4.70)   Depth: 6/18   00:00:01  90kN
35...Rd3+ 36.Kc4 Ra3 37.Kc5 Kf8 38.Kd6 Ke8 39.e5
  -+  (-4.73)   Depth: 7/20   00:00:04  312kN
35...Rd3+ 36.Kc4 Ra3 37.Kc5 Kf8 38.Kd6 Ke8 39.e5 Rh3 40.b5 Rxh2
  -+  (-4.77)   Depth: 8/23   00:00:13  959kN
35...Rd3+ 36.Kc4 Ra3 37.Kc5 Kf8 38.h4 Ke7 39.e5 Kd7 40.Kb6
  -+  (-4.80)   Depth: 9/27   00:00:41  3161kN
35...Rd3+ 36.Kc4 Ra3 37.Kc5 Kf8 38.Kb6 Ra4 39.Kb5 Ra2 40.h4 Ke7 41.a6
  -+  (-4.73)   Depth: 10/28   00:03:03  14728kN
35...Rd3+ 36.Ka4 Rh3 37.a6 Rxh2 38.Kb3 Rh1
  -+  (-4.73)   Depth: 11/30   00:11:15  53962kN

(L., xxx 10.10.2000)



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