Author: pete
Date: 05:23:22 12/12/00
Go up one level in this thread
On December 11, 2000 at 23:39:29, Jon Dart wrote: >On December 11, 2000 at 15:28:12, Peter Berger wrote: > >>> >>arasan.24 is incorrect: ...a6 loses to h6! (+7.50 at ply 13 ) > >As noted in your followup, the solution given is .. Kg7. As noted in my followup to my followup ..Kg7 is _no_ solution though :-) Crafty 17.13 : 15-> 97:20 -5.18 1. ... Kg7 2. h6+ Kxh6 3. Qf6 Ne5 4. Bf8+ Rxf8 5. Qf4+ Kg7 6. Qxe5+ Kg8 7. Qxc7 Qxc7 8. Rxc7 Nb2 9. Bc2 b5 10. Raxa7 Nc4 11. Kh2 >>arasan.88 is dubious : ..Bxf3 is just as good as ...Nxf2 in Fritz' and my humble >>opinion (same idea) > >I'm not sure about this. If I force Crafty to search only Bxf3, I get: > > > 14-> 6:17 -0.48 1. ... Bxf3 2. hxg4 Bxg2 3. Kxg2 Bxd4 > 4. Rd1 Bxe5 5. Be2 Rd8 6. Qxa6 Qxa6 > 7. Bxa6 O-O 8. Bb5 Nc5 9. Rxd8 Rxd8 > 15 9:31 -- 1. ... Bxf3 >It's failing low but didn't complete ply 15 so I'm not sure how bad it is. >Nxg2 looks better. Not by much though it seems ; the position isn't that good anyway . I let Crafty 17.13 search both ...Bxf3 and ...Nxf2 . Here is what I got : 17-> 86:48 -1.09 1. ... Bxf3 2. hxg4 Bxg2 3. Kxg2 Bxd4 4. Rd1 Rd8 5. f4 Bxb2 6. Rb1 Qd4 7. Qxd4 Bxd4 8. Bxa6 Nc5 9. Bb5+ Ke7 10. Rb4 Bc3 17-> 204:33 -0.85 1. ... Nxf2 2. Rxf2 Bxf3 3. Rxf3 Bxd4+ 4. Kh1 Rd8 5. Bg5 O-O 6. Bxd8 Rxd8 7. Be4 Qc5 8. Rd1 Nxe5 9. Rb3 Nc4 10. Qxa6 Nxb2 To call ...Nxf2 the best move needs additional proof IMHO . Remains a little dubious. Greetings. pete > >>arasan.92 : solved ( I think this is the most difficult one ! ) >>arasan.131: solved (very difficult, too !) >>arasan.143: solved (another great one :-) ! ) >>arasan.150: solved >>arasan2.11: typo in FEN string , Rb8 is correct ( solved by both Crafty and >>Fritz ) >>arasan2.14 : ...Ke3 looks best but seems to lose,too :2.Bc8 g3 3.hxg3 >> hxg3 4.Kf1 Ke4! 5.Bb7+!; both Crafty and Fritz don't do too well >>here , Crafty being >> the better one . > >I think Black can't save this but it still may be a good test as it is >interesting to see how long a program takes to reject g3. > >--Jon
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