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Subject: CM9 Default takes 2:27

Author: Jason Kent

Date: 06:25:04 11/24/04

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On November 24, 2004 at 08:54:45, Jason Kent wrote:

>How long does it take your engine to find a mate in 13?
>
>[D]8/5p1k/7P/7R/2pPp3/1nP5/1r3r1P/6RK b - - 0 54

CM9 Default finds it in 2:27

CM9k_Def  WB1 124 MB:
3001   00:00  2.85   e3 Rg7+ Kh8 Rg1 f5
4001   00:00  2.83   e3 Rg7+ Kh8 Re5 Rxh2+ Kg1 Rxh6 Rxf7
4001   00:00  2.94   f5 Rg7+ Kh8 d5 Rbd2 Kg1 Nc5
5001   00:00  2.68   f5 Rg7+ Kh8 Rg1 Nd2 h7 Rb8 Rh6
5001   00:00  2.93   e3 Rg7+ Kh8 Re5 Rf1+ Rg1 e2 Re8+ Kh7 d5 Rxg1+ Kxg1 Kxh6
6001   00:00  3.20   e3 Rg7+ Kh8 Re5 Rf1+ Rg1 e2 d5 Kh7 Re4 Nc5
7001   00:01  4.34   e3 Re1 Rbc2 Rh3 Rxc3 Rhxe3 Rxe3 Rxe3 Nxd4 Kg1
8001   00:01  6.42   e3 Re1 Nd2 Rh3 Nf3 Rxf3 Rxf3 Kg1 Kxh6 Ra1 Rd2
8001   00:02  6.61   Nd2 Rg7+ Kh8 h7 Rb1+ Rg1 Rxg1+ Kxg1 e3 Rh3 Rf1+ Kg2 e2 Re3
e1Q Rxe1 Rxe1
9002   00:03  9.43   Nd2 Rg7+ Kh8 h7 Rb1+ Rg1 Rxg1+ Kxg1 e3 Rh3 Nf3+ Rxf3 Rxf3
Kg2 e2 Kxf3 e1Q d5 Qxc3+ Ke4 Qd3+ Ke5 Qe3+ Kf5 Kxh7
10003   00:05  9.78   Nd2 Rg7+ Kh8 h7 Rb1+ Rg1 Rxg1+ Kxg1 e3 Rh3 Nf3+ Rxf3 Rxf3
Kg2 e2 Kxf3 e1Q Kf4 Qxc3 Ke4 Qd3+ Kd5 Kxh7
11004   00:14  13.64   Nd2 Rg7+ Kh8 h7 Rb1+ Rg1 Rxg1+ Kxg1 e3 Rh3 Nf3+ Rxf3 Rxf3
Kg2 Rf6 Kg3 e2 Kg4 e1Q Kg5 Rg6+ Kf4 Qxc3
12005   00:40  13.64   Nd2 Rg7+ Kh8 h7 Rb1+ Rg1 Rxg1+ Kxg1 e3 Rh3 Nf3+ Rxf3 Rxf3
Kg2 Rf6 Kg3 e2 Kg4 e1Q Kg5 Rg6+ Kf4 Qxc3
13006   02:27  M13  Nd2 Rg7+ Kh8 h7 Rb1+ Rg1 Rxg1+ Kxg1 e3 Rh3 Nf3+ Rxf3 Rxf3
Kg2 Rf6 Kg3 e2 Kg4 e1Q Kg5 Qf2 Kh5 Qxh2+ Kg4 Rf4+ Kg5 Qh4+




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