Author: Ricardo Gibert
Date: 18:03:09 09/25/00
Go up one level in this thread
On September 25, 2000 at 13:48:30, Robert Hyatt wrote: >On September 25, 2000 at 13:21:34, Mark Young wrote: > >>On September 25, 2000 at 09:01:19, Antonio Dieguez wrote: >> >>>hello! >>> >>>I come to ask two things, please... >>> >>>What are the results of the basics endgames KRB vs KR and KRN vs KR, both draws? >>> if it is, there is some exceptions except the obvius? >>> >>>And can someone post some of these mate in n positions with n very very very >>>high? >>> >>>Thanks! >> >>Easy position to win!! > > >This is wrong. _most_ KRB vs KR and KRN vs KR are _drawn_. There are some >wins for the stronger side, and even a couple of wins for the side without >the B/N, but in general these are dead draws. These are generally draws, but they are not "dead draws". I watched an IM Ben Finegold lose a drawn, but otherwise normal position in just such an ending at a tournament despite the aid of adjournment analysis. Ask him. I bet he remembers. It was against a computer and it cost him a lot of money. You must be thinking of KR vs KB, which is generally mindlessly easy to hold. > > >> >>[d]5k2/2R5/8/5K2/3B4/8/8/4r3 w - - 0 1 >> >>1.Be5 #50/1 5 Rb1 #50/1 0 2.Rd7 #49/1 0 Rb5 #49/1 0 3.Ke6 #48/1 0 >>Rb6+ #48/1 0 4.Bd6+ #47/1 0 Kg8 #47/1 0 5.Kf6 #46/1 0 Rb2 #46/1 0 >>6.Rg7+ #45/1 0 Kh8 #45/1 0 7.Ra7 #44/1 0 Rb6 #44/1 0 8.Rd7 #43/1 0 >> Rb2 #43/1 0 9.Bc5 #42/1 0 Rc2 #42/1 0 10.Rd5 #41/1 0 Rc3 #41/1 0 >>11.Bd6 #40/1 0 Rc1 #40/1 0 12.Rh5+ #39/1 0 Kg8 #39/1 0 13.Be5 #38/1 >> 0 Rb1 #38/1 0 14.Rg5+ #37/1 0 Kh7 #37/1 0 15.Rg7+ #36/1 0 Kh8 >>#36/1 0 16.Ra7 #35/1 0 Rb6+ #35/1 0 17.Kf7+ #34/1 0 Kh7 #34/1 0 >>18.Bf4 #33/1 0 Rb5 #32/1 0 19.Kf6+ #32/1 0 Kg8 #32/1 0 20.Ra8+ >>#31/1 0 Kh7 #31/1 0 21.Be5 #30/1 0 Rb1 #30/1 0 22.Ra7+ #29/1 0 Kg8 >> #29/1 0 23.Bd4 #28/1 0 Rf1+ #28/1 0 24.Ke6 #27/1 0 Rf7 #27/1 0 >>25.Ra3 #26/1 0 Rf8 #26/1 0 26.Rh3 #25/1 0 Re8+ #25/1 0 27.Kf6 #24/1 >> 0 Re2 #23/1 0 28.Rg3+ #23/1 0 Kf8 #23/1 0 29.Be5 #22/1 0 Rf2+ >>#21/1 0 30.Ke6 #21/1 0 Ke8 #21/1 0 31.Rb3 #20/1 0 Rd2 #20/1 0 >>32.Rb7 #19/1 0 Rd1 #19/1 0 33.Rg7 #18/1 0 Rf1 #18/1 0 34.Bg3 #17/1 >>0 Rf3 #17/1 0 35.Bd6 #16/1 0 Re3+ #16/1 0 36.Be5 #15/1 0 Rf3 #15/1 >> 0 37.Re7+ #14/1 0 Kf8 #14/1 0 38.Rc7 #13/1 0 Kg8 #13/1 0 39.Rg7+ >>#12/1 0 Kf8 #12/1 0 40.Rg4 #11/1 0 Re3 #11/1 0 41.Rh4 #10/1 0 >>Rxe5+ #10/1 0 42.Kxe5 #9/1 0 Kf7 #9/1 0 43.Rg4 #8/1 0 Ke7 #8/1 0 >>44.Rg7+ #7/1 0 Ke8 #6/1 0 45.Ke6 #6/1 0 Kd8 #6/1 0 46.Rh7 #5/1 0 >>Kc8 #5/1 0 47.Kd6 #4/1 0 Kb8 #4/1 0 48.Kc6 #3/1 0 Ka8 #3/1 0 >>49.Kb6 #2/1 0 Kb8 #2/1 0 50.Rh8# #1/1 0 1-0
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