Author: John Merlino
Date: 17:39:18 06/28/05
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On June 28, 2005 at 19:39:30, Jasmine Baer wrote: >I was examining an engine vs. engine game a little more in depth with Shredder >9, and Shredder came up with a small little error: > >Shredder 9.02 UCI - Shredder 9 >3r2k1/3r1p2/3P3b/ppB2qp1/4pP1p/PP2Q3/3R2PP/5R1K w - - 0 1 > >Analysis by Shredder 9: > >1. = (0.04): 38.g3 hxg3 39.hxg3 f6 40.Rh2 Rh7 41.b4 axb4 42.Bxb4 gxf4 43.gxf4 >Kh8 44.Qb6 Re8 45.d7 >2. = (0.04): 38.g4 hxg3 39.hxg3 f6 40.Rh2 Rh7 41.b4 axb4 42.Bxb4 gxf4 43.gxf4 >Kh8 44.Qb6 Re8 45.d7 >3. = (0.00): 38.Rdf2 gxf4 39.Rxf4 Bxf4 40.Rxf4 Qh5 41.Rxe4 f5 42.Re5 Qd1+ 43.Qg1 >Qxg1+ 44.Kxg1 Rf7 45.Rd5 Rf6 >4. ³ (-0.35): 38.Bb6 gxf4 39.Qf2 Rxd6 40.Bxd8 e3 41.Rxd6 exf2 42.Rd2 h3 43.Rdxf2 >Qd3 44.Bxa5 hxg2+ 45.Rxg2+ Kh7 46.Rgf2 Qxb3 47.Rf3 Qb2 >5. ³ (-0.35): 38.Qf2 gxf4 39.Bb6 Rxd6 40.Bxd8 e3 41.Rxd6 exf2 42.Rd2 h3 43.Rdxf2 >Qd3 44.Bxa5 hxg2+ 45.Rxg2+ Kh7 46.Rgf2 Qxb3 47.Rf3 Qb2 > >(, 28.06.2005) > >In the second variation, White's 38th move is listed as g4, with the >continuation being 38...hxg3 --> which is impossible if the pawn is moved from >g2 to g4 on move 38. The second variation is identical to the first variation >with the exception of the erroneous 38.g4. > >I'm not knocking the engine - I only post this here because Shredder's author >may find it interesting. It's an en passant capture, and unfortunately the GUI is not annotating the move properly -- 38...hxg3ep jm
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