Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: ruffian position

Author: Scott Gasch

Date: 13:09:24 09/23/02

Go up one level in this thread


>>>8/3R4/6p1/5n2/1K4p1/r2N1k2/5P2/8 b - - 0 1

>>This might just be some piece of knowledge? PM gets Rxd3 at ply 1. However, PM's
>>score is nothing special and it's a lot slower than ruffian:

>That's interesting.  I tested all my freeware engines, comet, yace, aristarch,
>pepito, none of them could find it in under 2 minutes.  You must be right, it's
>got to be endgame knowledge.

Here's monsoon on a P3/500Mhz... score trend is rising but I am not patient
enough to wait for 18.  I'll give it a run at home on a faster machine.

 1u   +0.87  00:00:00.24  36           PV= Ra6 <+1.00>
 1u   +1.62  00:00:00.29  56           PV= Rxd3 1. Rxd3+ [Q] Kxf2 [Q] <+0.00>
 1.   +1.62  00:00:00.38  69           PV= Rxd3 1. Rxd3+ [Q] Kxf2 [Q] <+0.00>
 2.   +1.62  00:00:00.50  191          PV= Rxd3 1. Rxd3+ [+] Kxf2 [Q] <+0.00>
 3.   +1.62  00:00:00.63  467          PV= Rxd3 1. Rxd3+ [+] Kxf2 <+0.00>
 4.   +1.46  00:00:00.76  876          PV= Rxd3 1. Rxd3+ [+] Kxf2 2. Kc5 <+0.00>
 5.   +2.01  00:00:00.91  2739         PV= Rxd3 1. Rxd3+ [+] Kxf2 2. Rd2+ [+]
                                        > Kf3 3. Kc4 <+0.00>
 6.   +2.28  00:00:01.11  8189         PV= Rxd3 1. Rxd3+ [+] Kxf2 2. Rd2+ [+]
                                        > Kf3 3. Rd3+ [+] Kf4 <+0.00>
 7.   +2.26  00:00:01.37  20309        PV= Rxd3 1. Rxd3+ [+] Kxf2 2. Rd2+ [+]
                                        > Kf3 3. Rd3+ [+] Kf4 4. Kc5 g3
                                        > [pawn] 5. Rd2 <+0.00>
 8.   +2.25  00:00:01.73  44780        PV= Rxd3 1. Rxd3+ [+] Kxf2 2. Rc3 g3
                                        > [pawn] 3. Rc6 g2 [pawn] 4. Rxg6
                                        > Nh4 5. Rf6+ [+] Nf3 [Q] <-1.00>
 9.   +2.25  00:00:02.31  95897        PV= Rxd3 1. Rxd3+ [+] Kxf2 2. Rc3 g3
                                        > [pawn] 3. Rc6 Ne7 4. Rf6+ [+] Kg2
                                        > 5. Re6 Nd5+ [+] 6. Kc4 [Q] <+0.00>
10.   +2.51  00:00:03.57  247153       PV= Rxd3 1. Rxd3+ [+] Kxf2 2. Rd2+ [+]
                                        > Kf3 3. Rd8 g5 4. Kc5 g3 [pawn]
                                        > 5. Rd5 Kf4 6. Rd2 <+0.00>
11.   +2.51  00:00:05.90  527392       PV= Rxd3 1. Rxd3+ [+] Kxf2 2. Rd2+ [+]
                                        > Kf3 3. Rd3+ [+] Kf4 4. Rd1 g3
                                        > [pawn] 5. Rf1+ [+] Kg4 6. Rg1 Kf3
                                        > 7. Rf1+ [+] Ke4 <+0.00>
12.   +2.63  00:00:10.54  1156291      PV= Rxd3 1. Rxd3+ [+] Kxf2 2. Rd2+ [+]
                                        > Kf3 3. Rd3+ [+] Kf4 4. Rd1 g3
                                        > [pawn] 5. Rf1+ [+] Kg4 6. Rg1 g5
                                        > 7. Kc4 Kh3 8. Rh1+ [Q] Kg4 [Q]
                                        > <+0.00>
13.   +2.68  00:00:21.26  2593166      PV= Rxd3 1. Rxd3+ [+] Kxf2 2. Rd2+ [+]
                                        > Kf3 3. Rd3+ [+] Kf4 4. Rd1 g3
                                        > [pawn] 5. Rg1 Ne3 6. Kc3 Kf3 7.
                                        > Kd4 Kf2 8. Rc1 <+0.00>
14.   +3.12  00:00:55.33  6570556      PV= Rxd3 1. Rxd3+ [+] Kxf2 2. Rd2+ [+]
                                        > Ke3 3. Ra2 g3 [pawn] 4. Kc5 Kf3
                                        > 5. Ra6 g5 6. Rg6 g4 7. Rf6 Kf4
                                        > <+0.00>
15.   +3.62  00:01:50.69  13401563     PV= Rxd3 1. Rxd3+ [+] Kxf2 2. Rd2+ [+]
                                        > Ke3 3. Ra2 g3 [pawn] 4. Kc5 Kf3
                                        > 5. Ra1 g2 [pawn] 6. Rb1 g5 7.
                                        > Kd5 Kf2 8. Rb2+ [+] Kg3 9. Rb3+
                                        > [+] Kh2 10. Kc5 <+0.00>
16.   +4.51  00:03:25.05  26106540     PV= Rxd3 1. Rxd3+ [+] Kxf2 2. Rd2+ [+]
                                        > Ke3 3. Rc2 g3 [pawn] 4. Rc6 g5
                                        > 5. Rc3+ [+] Ke2 6. Kc5 g2 [pawn]
                                        > 7. Rc2+ [+] Kf3 8. Rc3+ [+] Ne3
                                        > 9. Rc1 Kf2 10. Kd4 g4 11. Ke4
                                        > g3 <+0.00>

Scott




This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.