nine passed pawns

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David Dahlem
Posts: 900
Joined: Wed Mar 08, 2006 9:06 pm

nine passed pawns

Post by David Dahlem »

Wanna check your passed pawn code? :lol:

From Smyslov - Botvinnik USSR 1941

[d]2r5/7k/P4R2/5P1p/4P2p/2p2P2/1p1p4/6RK b - - 0 59

Spark 0.3a:

18/45 01:30 69.634.951 768.122 -M16 Rc8c7 a6a7 b2b1R a7a8Q Rb1xg1+ Kh1xg1 d2d1Q+ Kg1h2 Qd1e2+ Kh2g1 Qe2e3+ Kg1h2 c3c2 Rf6g6 Qe3f2+ Kh2h3 Qf2xf3+ Kh3xh4 Qf3h1+ Kh4g3 Rc7c3+ Kg3f4 Qh1h2+ Kf4g5 c2c1Q+ Kg5f6 Qh2d6+ Kf6f7 Rc3c7+ Kf7e8 Qd6e7+
19/45 01:53 91.929.037 811.620 -M16 Rc8c7 a6a7 b2b1R a7a8Q Rb1xg1+ Kh1xg1 d2d1Q+ Kg1h2 Qd1e2+ Kh2g1 Qe2e3+ Kg1h2 c3c2 Rf6g6 Qe3f2+ Kh2h3 Qf2xf3+ Kh3xh4 Qf3h1+ Kh4g3 Rc7c3+ Kg3f4 Qh1h2+ Kf4g5 c2c1Q+ Kg5f6 Qh2d6+ Kf6f7 Rc3c7+ Kf7e8 Qd6e7+
20/45 02:37 138.964.134 882.923 -M16 Rc8c7 a6a7 b2b1R a7a8Q Rb1xg1+ Kh1xg1 d2d1Q+ Kg1h2 Qd1e2+ Kh2g1 Qe2e3+ Kg1g2 c3c2 Rf6g6 Qe3e2+ Kg2h3 Qe2xf3+ Kh3xh4 Qf3h1+ Kh4g3 Rc7c3+ Kg3f4 Qh1h2+ Kf4g5 c2c1Q+ Kg5f6 Qh2d6+ Kf6f7 Rc3c7+ Kf7e8 Qd6e7+
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rlsuth
Posts: 322
Joined: Wed Mar 08, 2006 9:37 pm

Re: nine passed pawns

Post by rlsuth »

[d]2r5/7k/P4R2/5P1p/4P2p/2p2P2/1p1p4/6RK b - - 0 1

Analysis by spark-0.3a:


1...d1R 2.Rxd1 c2 3.Rd7+ Kg8 4.Rg6+ Kf8 5.Rdg7 b1Q+ 6.Kh2 Qa2 7.Rg2 c1Q 8.Rxa2 Qf4+ 9.Kh3 Qxf3+ 10.Kh2 Kxg7 11.Rg2+ Kh8 12.f6 Rc1 13.f7 Qf4+ 14.Kh3 Rc3+ 15.Rg3 Qxg3#
-+ (-#15) Depth: 22/43 00:02:02 245mN
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