Author: Dan Ellwein
Date: 14:02:49 03/31/05
Go up one level in this thread
On March 31, 2005 at 16:17:42, Mihaly Szalai wrote: >On March 31, 2005 at 15:43:41, Dan Ellwein wrote: > >>On March 31, 2005 at 11:21:10, Mihaly Szalai wrote: >> >>>I think this is a very good engine test. >>>Try to avoid Rh1+ (leads to a draw) and find Rg1! >>> >>>J. Fleck - Ch. Lutz >>> >>>[D]8/7r/1pp4P/8/1P1K4/7k/8/R7 w - - 0 1 >>> >>>1. Rg1! (1. Rh1+? Kg2 2. Rh5 c5+ 3. bxc5 bxc5+ 4. Ke5 Kf3 5. Kf6 Ke3=) 1... c5+ >>>( >>>1... Kh4 2. Ke4 Rxh6 3. Ke5 c5 4. b5 c4 5. Rh1+ Kg5 6. Rxh6 Kxh6 7. Kd4+-) 2. >>>bxc5 bxc5+ 3. Ke5 c4 4. Kf5 Kh2 5. Rg6 Rc7 6. Rg7 Rc5+ 7. Kg4 c3 8. h7 Rc4+ 9. >>>Kg5 Rc5+ 10. Kh6 c2 11. h8=Q c1=Q+ 12. Kg6+ Kg3 13. Kf6++- >> >>[d]8/7r/1pp4P/8/1P1K4/7k/8/1R6 b - - 0 1 >> >>after forcing Rg1... >> >>CM10_SoFar does not see the win for white.... >> >>P8/850 >> >>Time Depth Score Positions Moves >>0:00 1/3 0.71 948 1...Kh4 2.Rh1+ Kg5 3.b5 cxb5 >>0:00 1/3 1.46 785 1...c5+ 2.bxc5 bxc5+ 3.Kxc5 Kh4 >> 4.Rh1+ Kg5 >>0:00 1/3 0.71 948 1...Kh4 2.Rh1+ Kg5 3.b5 cxb5 >>0:00 1/3 0.00 1301 1...Kg2 2.Rb2+ Kh1 3.Rb1+ Kg2 >>0:00 1/4 -0.11 1825 1...Kg2 2.Rb2+ Kg3 3.Rb3+ Kg4 4.b5 >> Rxh6 5.bxc6 Rxc6 >>0:00 1/4 -0.42 2865 1...Kh4 2.Rh1+ Kg5 3.Rg1+ Kxh6 >> 4.Rc1 >>0:00 1/5 0.00 4439 1...Kh4 2.Rh1+ Kg5 3.Ke5 Rxh6 4.Rxh6 >> Kxh6 5.Kd6 c5 6.bxc5 bxc5 7.Kxc5 >>0:00 1/5 -0.46 5637 1...Kg2 2.Rb2+ Kg3 3.Rb3+ Kg4 4.Rc3 >> Rxh6 >>0:00 2/6 -0.49 10930 1...Kg2 2.Rb2+ Kg3 3.Rb3+ Kg4 4.Rc3 >> Rxh6 5.Ke5 >>0:00 2/7 -0.42 23538 1...Kg2 2.Rb2+ Kg3 3.Ra2 Rxh6 4.Ra6 >> Rd6+ 5.Kc4 b5+ 6.Kc5 >>0:00 2/8 -0.15 44329 1...Kg2 2.Rb2+ Kg3 3.Ra2 Rxh6 4.Ra6 >> c5+ 5.Kc3 cxb4+ 6.Kxb4 Rh4+ 7.Kc3 >>0:01 3/9 -0.15 76148 1...Kg2 2.Rb2+ Kg3 3.Ra2 Rxh6 4.Ra6 >> c5+ 5.Kc3 Rc6 6.bxc5 Rxc5+ 7.Kb4 >>0:01 3/10 -0.14 160347 1...Kg2 2.Rb2+ Kg3 3.Ra2 Rxh6 4.Ra6 >> c5+ 5.Kc3 Rc6 6.bxc5 Rxc5+ 7.Kb4 >> Rc6 >>0:03 3/11 -0.12 365637 1...Kg2 2.Ra1 Rxh6 3.Ra6 c5+ 4.Kc3 >> Rh3+ 5.Kb2 c4 6.Rxb6 Rb3+ 7.Kc2 >> Kf3 8.b5 >>0:06 4/12 -0.02 664971 1...Kg2 2.Ra1 Rxh6 3.Ra6 c5+ 4.Kc3 >> Rh3+ 5.Kc2 cxb4 6.Rxb6 Rc3+ 7.Kb2 >> Rc4 8.Kb3 Rd4 9.Rxb4 >>0:13 5/13 -0.02 1511222 1...Kg2 2.Ra1 Rxh6 3.Ra6 c5+ 4.Kc3 >> Rh3+ 5.Kc2 cxb4 6.Rxb6 Rc3+ 7.Kb2 >> Rc4 8.Kb3 Rd4 9.Rxb4 >>0:31 6/14 -0.02 3657079 1...Kg2 2.Ra1 Rxh6 3.Ra6 c5+ 4.Kc3 >> cxb4+ 5.Kxb4 Kf3 6.Kb5 Ke4 7.Rxb6 >> Rh8 8.Kc4 Rc8+ 9.Kb3 Rc7 >>1:11 7/15 -0.01 8822534 1...Kg2 2.Ra1 Rxh6 3.Ra6 c5+ 4.Kc3 >> cxb4+ 5.Kxb4 Kf3 6.Kb5 Ke4 7.Rxb6 >> Rh2 8.Rc6 Rh3 9.Rc5 Kd4 >>2:42 8/16 -0.01 20715799 1...Kg2 2.Ra1 Rxh6 3.Ra6 c5+ 4.Kc3 >> cxb4+ 5.Kxb4 Kf3 6.Kb5 Ke4 7.Rxb6 >> Rh2 8.Rc6 Rh5+ 9.Rc5 Rh6 10.Rc4+ >> Ke5 11.Rc5+ Kd4 >>6:07 9/17 -0.01 46332134 1...Kg2 2.Ra1 Rxh6 3.Ra6 c5+ 4.Kc3 >> cxb4+ 5.Kxb4 Kf3 6.Kb5 Ke4 7.Rxb6 >> Rh2 8.Rc6 Rb2+ 9.Kc4 Rc2+ 10.Kb5 >> Ra2 11.Rc4+ Ke5 12.Rc5+ Kd4 >>14:46 10/18 -0.01 111057917 1...Kg2 2.Ra1 Rxh6 3.Ra6 c5+ 4.Kc3 >> cxb4+ 5.Kxb4 Kf3 6.Kb5 Ke4 7.Rxb6 >> Rh8 8.Kc5 Ke5 9.Kc4 Rd8 10.Rg6 >> Rd2 11.Rg5+ Ke4 >>Dan > >After 1.Rg1 you cannot move 1...Kg2. > >Mihaly you're right, Mihaly here's the correct position... [d]8/7r/1pp4P/8/1P1K4/7k/8/6R1 b - - 0 1 and CM10_SoFar does see white winning... Time Depth Score Positions Moves ---- ---- ---- ---- ---- 0:00 1/3 1.46 673 1...c5+ 2.bxc5 bxc5+ 3.Kxc5 Kh4 4.Rh1+ Kg5 0:00 1/3 0.96 867 1...Kh4 2.Rg6 Kh5 0:00 1/3 0.96 867 1...Kh4 2.Rg6 Kh5 0:00 1/4 0.55 1688 1...Kh4 2.Rg6 Kh5 3.Rxc6 Rxh6 4.Rxh6+ Kxh6 0:00 1/5 0.55 4763 1...Kh4 2.Rg6 Kh5 3.Rxc6 Rxh6 4.Rxh6+ Kxh6 0:00 2/6 0.64 14768 1...Kh4 2.Rg6 c5+ 3.Kc4 cxb4 4.Rxb6 Kg5 0:00 2/7 0.05 40877 1...Kh4 2.Rg6 c5+ 3.bxc5 bxc5+ 4.Kxc5 Kh5 5.Rg2 Rxh6 6.Kd4 0:00 2/8 0.04 64055 1...Kh4 2.Rg6 c5+ 3.Ke4 cxb4 4.Ke3 Kh5 5.Rxb6 Rxh6 6.Rxb4 0:01 3/9 0.04 119050 1...Kh4 2.Rg6 c5+ 3.bxc5 bxc5+ 4.Ke5 c4 5.Kd4 Kh5 6.Rc6 Rxh6 7.Rxc4 0:02 3/10 0.07 224246 1...Kh4 2.Rg6 c5+ 3.bxc5 bxc5+ 4.Ke5 c4 5.Kf5 Kh5 6.Rg3 Rf7+ 7.Ke6 Rc7 8.Rh3+ Kg6 0:04 3/11 0.06 445603 1...Kh4 2.Rg6 c5+ 3.bxc5 bxc5+ 4.Ke5 c4 5.Kf5 Kh5 6.Rg1 Rf7+ 7.Ke6 Rc7 8.Rh1+ Kg6 9.Kd5 0:07 4/12 0.03 807469 1...Kh4 2.Rg6 c5+ 3.bxc5 bxc5+ 4.Ke5 c4 5.Kf5 Kh5 6.Rc6 Rxh6 7.Rxc4 Rg6 8.Rc7 Rg5+ 9.Ke4 0:13 5/13 0.03 1560508 1...Kh4 2.Rg6 c5+ 3.bxc5 bxc5+ 4.Ke5 c4 5.Kf5 Kh5 6.Rc6 Rxh6 7.Rxc4 Rg6 8.Rc7 Rg5+ 9.Ke4 Rg4+ 10.Ke5 0:31 6/14 0.03 3672557 1...Kh4 2.Rg6 c5+ 3.bxc5 bxc5+ 4.Ke5 c4 5.Kf5 Kh5 6.Rg3 Rf7+ 7.Ke6 Rh7 8.Kd5 Rxh6 9.Kxc4 Rf6 10.Kd5 1:34 7/15 0.53 10941624 1...Kh4 2.Ke4 Rxh6 3.Ke5 c5 4.b5 c4 5.Rh1+ Kg5 6.Rxh6 Kxh6 7.Kd4 c3 8.Kxc3 Kg6 9.Kd4 Kf7 10.Kd5 Ke8 11.Ke5 8:20 8/16 2.26 56799489 1...Kh4 2.Ke4 Kh3 3.Kf5 Kh2 4.Rg6 c5 5.Rxb6 cxb4 6.Kg6 Rh8 7.Rxb4 Rg8+ 8.Kf7 Rd8 9.Kg7 Kg3 16:10 8/16 1.33 108424960 1...c5+ 2.Ke4 cxb4 3.Kf5 Kh2 4.Rg6 Rf7+ 5.Kg5 b5 6.Rb6 Rf3 7.h7 Rg3+ 8.Kh6 Rh3+ 9.Kg7 b3 10.h8=Q Rxh8 11.Kxh8 Kg3 12.Kg7 Dan
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