Author: Harald Faber
Date: 22:13:12 05/03/01
Go up one level in this thread
On May 03, 2001 at 20:12:14, John Merlino wrote: >On May 03, 2001 at 18:51:08, Eduard Nemeth wrote: > >>In year 1998 i played a wonderful game vs. Fritz 5 (on a P100) with a nice mate! >>Here: >> >>[D]r4rk1/pb3pp1/2p1p2p/1pq1P3/5Q1B/P1PB4/2P3PP/1K5R b - - 0 0 >> >>wKb1,Qf4,Bd3,h4,Rh1,Pa3,c2,c3,e5,g2,h2/bKg8,Qc5,Bb7,Ra8,f8,Pa7,b5,c6,e6,f7,g7,h6 >> >>[Event "?"] >>[Site "?"] >>[Date "1998.??.??"] >>[Round "?"] >>[White "Nemeth,E"] >>[Black "Fritz5"] >>[Result "1-0"] >>[FEN "r4rk1/pb3pp1/2p1p2p/1pq1P3/5Q1B/P1PB4/2P3PP/1K5R b - -"] >> >>1... Qxa3 2. Bf6 Rfc8 3. Bxg7 Kxg7 4. Qf6+ Kf8 5. Rf1 Rc7 >>6. Bg6 Kg8 7. Bxf7+ Rxf7 8. Qxf7+ Kh8 9. Qf6+ Kh7 10. Rd1 >>Re8 11. Qf7+ Kh8 12. Qxe8+ Qf8 13. Qxf8+ Kh7 14. Qf7+ Kh8 >>15. Rd8# 1-0 >> >>1. what progam today play here never 19...Qxa3? >>2. have black after 20.Bf6 a chance for a draw, and when, how? >> >>You can your program now test. >> >>Eduard > >Chessmaster 8000 needs 48 seconds (on a PIII-600) to avoid 19...Qxa3: > >Time Depth Score Positions Moves >0:00 2/5 -3.47 11220 1...Qxa3 2. Rf1 c5 3. Bxb5 Bxg2 >0:00 2/6 -3.15 33234 1...Qxa3 2. Qe4 g6 3. Qe3 Qxc3 > 4. Be1 Qa3 5. Qxh6 >0:03 3/7 -2.92 221640 1...Qxa3 2. Bf6 Rfb8 3. Qg4 Qf8 > 4. Qe4 g6 5. Qg4 Qc5 6. Rd1 >0:07 3/8 -3.05 494858 1...Qxa3 2. Qe4 g6 3. Qf4 Qxc3 > 4. Be7 c5 5. Bxf8 Rxf8 6. Rd1 >0:23 4/9 -2.00 1734811 1...Qxa3 2. Bf6 Rfc8 3. Bxg7 Kxg7 > 4. Qf6+ Kg8 5. Qxh6 f5 6. Qxe6+ > Kf8 7. Qxf5+ Ke8 8. Rf1 >0:48 4/9 -2.30 3453263 1...Rfc8 2. Qe4 g6 3. Rf1 Rc7 4. > Kb2 Rd7 5. Qe1 a5 6. Rf3 Qd5 >1:29 4/10 -1.97 6653773 1...Rfc8 2. Qe4 g6 3. Qf4 Qf8 4. > Rd1 Rc7 5. Bf6 Rd7 6. Re1 a5 7. > Qe3 >5:54 5/11 -1.44 26587667 1...Rfc8 2. Qe4 g6 3. Rf1 Qf8 4. > Qe3 g5 5. Qe4 Qg7 6. Bf2 Rc7 7. > Bc5 Rd7 8. Rd1 > >and it takes 42 seconds to see the draw after 20.Bf6: > >Time Depth Score Positions Moves >0:42 4/9 0.00 3595579 2...Rfc8 3. Bxg7 Kxg7 4. Qf6+ Kg8 > 5. Bh7+ Kxh7 6. Qxf7+ Kh8 7. Qf6+ > Kg8 8. Qg6+ Kh8 9. Qxh6+ Kg8 10. > Qg6+ Kh8 11. Qh6+ >1:38 4/10 0.00 9094782 2...Rfc8 3. Bxg7 Kxg7 4. Qf6+ Kg8 > 5. Bh7+ Kxh7 6. Qxf7+ Kh8 7. Qf6+ > Kg8 8. Qg6+ Kh8 9. Qxh6+ Kg8 10. > Qg6+ Kh8 11. Qh6+ > >jm I doubt that this is draw. The pv does not consider Eduards strong move Rf1, what does CM say in this case? I have seen CM drop the eval from 0.00 (for some moves) suddenly down to -2 or so several times.
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