Author: Dan Ellwein
Date: 12:43:41 03/31/05
Go up one level in this thread
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
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