Author: Paulo Soares
Date: 20:33:37 05/31/99
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On May 31, 1999 at 19:28:58, Francis Monkman wrote: >I couldn't resist posting this one, a good example of Mihai Suba's >dynamic play , and I think, a good test for programs: > > >1r1r1nk1/q4bpp/2pb1p2/P1N1p3/P3P3/B1R1Q1PB/3P3P/5R1K w - - > >1. Nd7!! Qxe3 ( 1. ...Rxd7 2. Qxa7 Rxa7 3. Bxd6 Rba8 >4. Rxc6 Rxa5 ( 4. ...Bg6 5. Bf5 Rxa5 ) 5. Rfc1 Rxa4 >6. Rc8 Be8 7. Bxf8 ) 2. dxe3 Rxd7 3. Bxd7 Bxa3 >4. Bxc6 Bb4 5. Rb1 > >At this point, "the position was technically won", says >Suba (suggesting that 5. a6 might have been quicker). I >can't imagine there's any doubt about this. > > >I didn't expect any program to get this easily, so I was both >surprised and pleased when LGG 2.0 found it immediately, with >no apparent 'waverings'! CSTal II found it at 2 seconds, but >lost the plot at 21 seconds. Fritz 5.32 (in multiple mode) is >still playing 1. a6 (not good for White after 1. ...Bxc5), it's >been on about ten minutes now (1. Nd7 not yet among the top >seven lines). Crafty 16.6 and Genius 6 hadn't found it after >3 minutes plus. (P Pro 200MHz.) > >Any other results? > >Francis Doctor? 3.0 (as Fritz engine), PII-300, HT=32Mb: Move Depth Time(sec.) Evaluation Nd7 First time 15 32 +0.15 Nd7 16 at 21 - +0.15 Nd7 21 537 +0.15 Paulo Soares, from Brazil.
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