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Subject: Re: Cute RWBC win : Ruffian 2.1.0 needs 2sec for Rd3

Author: Johan Havegheer

Date: 13:31:15 05/27/04

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On May 27, 2004 at 08:52:29, Anthony Cozzie wrote:

>Zappa lost ignominiously to SSEChess in round 1 of RWBC Class D, so it entered
>round 2 thirsty for blood.  This position reminds me a bit of the famous
>Rubinstein game.  I haven't done any analysis - there may be better moves for
>both sides.
>
>[D]3r2k1/1q3pp1/4p3/p6r/1pP2Pn1/1N4Pp/PP1R3P/3RQ1K1 b - - 0 34
>
>At first glance, this looks OK for white, but Zappa drops the hammer with Rd3 -
>That file belongs to me!

Analysis by Ruffian 2.1.0:

  (0.65) 1...Txd2 2.Txd2   00:00:00
=  (0.23) 1...Txd2 2.Txd2 Df3   00:00:00
  (0.46) 1...Txd2 2.Dxd2 Dg2+ 3.Dxg2 hxg2 4.Td8+ Kh7 5.Kxg2 Txh2+   00:00:00
  (0.39) 1...Da7+ 2.c5 Thd5 3.De2   00:00:00
  (0.45) 1...Da7+ 2.c5 Thd5 3.De2 Txd2 4.Txd2   00:00:00
  (0.48) 1...Da7+ 2.c5 Txd2 3.Txd2 Td5 4.De2 Pf6   00:00:00
  (0.39) 1...Da7+ 2.c5 Txd2 3.Dxd2 Td5 4.De2 Txd1+ 5.Dxd1 Pe3 6.Dd8+   00:00:00
=  (0.17) 1...Txd2 2.Dxd2 a4 3.Pc1 Dg2+ 4.Dxg2 hxg2 5.Td8+ Kh7 6.Kxg2 Txh2+
7.Kf3   00:00:00
=  (0.12) 1...Txd2 2.Dxd2 Dg2+ 3.Dxg2 hxg2 4.Td8+ Kh7 5.Kxg2 Pe3+ 6.Kg1 Pxc4
7.Td7 Td5   00:00:00
=  (0.13) 1...Txd2 2.Dxd2 g6 3.Te1 Dg2+ 4.Dxg2 hxg2 5.Kxg2 Txh2+ 6.Kf3 Pf6
7.Pxa5 Txb2   00:00:00
=  (0.08) 1...Txd2 2.Dxd2 a4 3.Pc1 g6 4.b3 Dg2+ 5.Dxg2 hxg2 6.Td8+ Kg7 7.Kxg2
Txh2+ 8.Kf3   00:00:01
=  (0.02) 1...Da7+ 2.c5 Txd2 3.Dxd2 Td5 4.De2 Txd1+ 5.Dxd1 a4 6.Dd8+ Kh7 7.Da5
Dd7 8.Pc1   00:00:01
=  (-0.22) 1...Td3   00:00:02
=  (-0.24) 1...Td3 2.c5 a4 3.Pc1 Te3 4.Df1 Txg3+ 5.hxg3 h2+ 6.Txh2 Txh2 7.Td8+
Kh7   00:00:02
  (-0.59) 1...Td3   00:00:04
  (-0.79) 1...Td3 2.De2 Txg3+ 3.hxg3 h2+ 4.Dxh2 Pxh2 5.Txh2 Txh2 6.Kxh2 Dc7
7.c5 Dc6   00:00:04
  (-0.86) 1...Td3 2.Tc2 De4 3.Te2 Dxc4 4.Txd3 Dxd3 5.Td2 Df3 6.Td8+ Kh7 7.Db1+
g6 8.Td7   00:00:08
  (-1.06) 1...Td3 2.Tc2 Da7+ 3.c5 Txd1 4.Dxd1 a4 5.Dd8+ Kh7 6.Pd2 Txc5 7.Dd4
Da8 8.Dd3+ Kh8 9.Pe4 Td5   00:00:12
  (-1.11) 1...Td3 2.Te2 Da7+ 3.c5 Txd1 4.Dxd1 a4 5.Dd8+ Kh7 6.Dd3+ g6 7.Pd4
Txc5 8.Td2 e5 9.fxe5 Txe5 10.Tc2   00:00:25

(Havegheer, Diksmuide 27.05.2004)



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