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Subject: Re: Testposition - The Arrow's Point

Author: Dieter Buerssner

Date: 06:51:44 03/06/01

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On March 06, 2001 at 06:55:28, Sune Larsson wrote:

>
>  [D]k4B1b/p6P/Kp6/1P3P2/4P3/R2P4/2P2p2/6n1 w - - 0 1
>
>  Larsen,P 1932
>
>  The name of the author sure gives associations... But it's a common name
>  and the initial + year tells us that it couldn't be this Larsen nor that
>  Larsen...;) This one carries an indian theme. White has a nice and sharp
>  arrow, formed by the pawns c2,d3,e4,f5,h7. On the other hand he's facing
>  defeat since the black f2 pawn is about to promote. Looks like there is
>  no decent way to stop this runner. But the arrow carries some poison and
>  with an intriguing manouvre white is aiming for peace. And succeeds...
>
>
>  Test: White moves for the draw. Fire off your arrow and show us your
>        peace evals! The smoke signals are further down. ;)

Yace does not see a drawish score. It just sees that other moves seem loosing:

  14248498  2:17.1 -Mat09 13t  1.Bg7 f1=Q 2.Bxh8 Qc1 3.Ra2 Qb1 4.Ra1 Qxc2
                               5.Bc3 Qxc3H 6.h8=Q+H Qxh8H 7.Rc1H Ne2H 8.Rc2H
                               Qa1+H 9.Ra2H Qxa2#H {HT} {-1181}
  14248498  2:17.1  -5.81 13t  1.c4 f1=Q 2.c5 Qc1 3.cxb6 Qc8+ 4.b7+ Qxb7+
                               5.Ka5 Qb6+ 6.Ka4 Ne2 7.Rb3 Qd4+ 8.Bb4 Nc1 9.Rb1
                               Nxd3 10.e5 Bxe5 11.Ka5 {-681}
  16905638  2:50.9  -5.81 13.  1.c4 f1=Q 2.c5 Qc1 3.cxb6 Qc8+ 4.b7+ Qxb7+
                               5.Ka5 Qb6+ 6.Ka4 Ne2 7.Rb3 Qd4+ 8.Bb4 Nc1 9.Rb1
                               Nxd3 10.e5 Bxe5 11.Ka5 {-681}
  19234144  3:15.3  -6.21 14-- 1.c4 f1=Q 2.c5 Qc1 3.cxb6 Qc8+ 4.b7+ Qxb7+
                               5.Ka5 Qb6+ 6.Ka4 Ne2 7.Rb3 a6 8.f6 Qd4+ 9.Ka5
                               Qd8+ 10.b6 Qxf8 11.b7+ Kb8 12.Rb6 Bxf6 {HT}
                               {-951}
  24568405  4:10.2  -6.19 14t  1.c4 f1=Q 2.c5 Qc1 3.cxb6 Qc8+ 4.b7+ Qxb7+
                               5.Ka5 Qb6+ 6.Ka4 Ne2 7.Rb3 a6 8.f6 Qd4+ 9.Rb4
                               Qa1+ 10.Kb3 Qxf6 11.bxa6 Qf7+ 12.Ka4 Nc3+
                               13.Ka5 Qxf8 {HT} {-871}
  26467716  4:28.9  -6.18 14t+ 1.Ra1 Bxa1 2.c3 Bxc3 3.d4 Bxd4 4.e5 f1=Q 5.h8=Q
                               Bxe5 6.Qxe5 Qb1 7.Ba3 Nf3 8.Qd6 Qxf5 {-70}
  26691024  4:30.4  -5.41 14++ 1.Ra1 Bxa1 2.c3 Bxc3 3.d4 Bxd4 4.e5 f1=Q 5.h8=Q
                               Bxe5 6.Qxe5 Qb1 7.Ba3 Nf3 8.Qd6 Qxf5 {-70}
  27461708  4:40.0  -2.40 14t  1.Ra1 Bxa1 2.c3 Bxc3 3.d4 Bxd4 4.e5 Bxe5 5.f6
                               f1=Q 6.h8=Q Qh3 7.Bg7+ Qxh8 8.Bxh8 {-340}
  28461994  4:57.4  -2.40 14.  1.Ra1 Bxa1 2.c3 Bxc3 3.d4 Bxd4 4.e5 Bxe5 5.f6
                               f1=Q 6.h8=Q Qh3 7.Bg7+ Qxh8 8.Bxh8 {-340}
  29454653  5:08.9  -2.41 15t  1.Ra1 Bxa1 2.c3 Bxc3 3.d4 Bxd4 4.e5 Bxe5 5.f6
                               f1=Q 6.h8=Q Qh3 7.Qxh3 Nxh3 8.Be7 Nf4 {-340}
  33132968  5:52.8  -2.41 15.  1.Ra1 Bxa1 2.c3 Bxc3 3.d4 Bxd4 4.e5 Bxe5 5.f6
                               f1=Q 6.h8=Q Qh3 7.Qxh3 Nxh3 8.Be7 Nf4 {-340}
  36166177  6:19.2  -2.38 16t  1.Ra1 Bxa1 2.c3 Bxc3 3.d4 Bxd4 4.e5 Bxe5 5.f6
                               f1=Q 6.h8=Q Qh3 7.Qxh3 Nxh3 8.Be7 Ng5 9.Bd8
                               {-340}
  42712631  7:32.5  -2.38 16.  1.Ra1 Bxa1 2.c3 Bxc3 3.d4 Bxd4 4.e5 Bxe5 5.f6
                               f1=Q 6.h8=Q Qh3 7.Qxh3 Nxh3 8.Be7 Ng5 9.Bd8
                               {-340}
  48830186  8:26.7  -2.41 17t  1.Ra1 Bxa1 2.c3 Bxc3 3.d4 Bxd4 4.e5 Bxe5 5.f6
                               f1=Q 6.h8=Q Bb8 7.Qh1+ Qf3 8.Qxf3+ Nxf3 9.Ba3
                               Ne5 10.Bb2 Bc7 11.Bd4 {HT} {-340}

-- Dieter




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