Author: John Merlino
Date: 12:57:43 04/11/01
Go up one level in this thread
On April 11, 2001 at 15:32:49, Uri Blass wrote: >[D]8/p4k2/1p1p1qp1/1P1P4/P5P1/7P/4Q1K1/2b5 b - - 0 1 > >The test is to avoid Qb2 > >Most programs have no problem to avoid Qb2 but I suspect that this mistake is >typical for Junior(I have not the latest version and it is interesting to know >if Junior can avoid Qb2 and how much time does it need). > >I played Qb2 in a tournament game today and had to agree to a draw after Qxb2 >Bxb2 g5. > >It was my mistake to use only about 1 minute for 39...Qb2 when >I had about 6 minutes for moves 39-40. > >I thought that 39...Qb2 is winning the game. >Unfortunately I calculated only the line 39...Qb2 40.Qxb2 Bxb2 41.Kf3 > >Uri It takes CM8000 a little while to find something better than Qb2: Time Depth Score Positions Moves 0:00 2/6 -3.02 18847 1...Qb2 2. Qxb2 Bxb2 3. Kf3 Bc3 4. Ke4 g5 0:01 3/7 -3.07 47470 1...Qb2 2. Qxb2 Bxb2 3. Kf3 g5 4. Ke3 Bc3 5. Ke4 0:02 4/8 -3.11 185954 1...Qb2 2. Qxb2 Bxb2 3. g5 Bc3 4. Kf3 Bd2 5. h4 Be1 0:07 5/9 -3.15 703620 1...Qb2 2. Qxb2 Bxb2 3. g5 Bc3 4. Kg3 Ke7 5. Kf3 Bd2 6. h4 0:31 6/10 -3.08 3086042 1...Qb2 2. Qxb2 Bxb2 3. g5 Bc3 4. Kg3 Ke7 5. h4 Bb4 6. Kf4 Be1 2:14 7/11 -3.05 12606141 1...Qb2 2. Qxb2 Bxb2 3. g5 Bc3 4. Kg3 Ke7 5. h4 Kd8 6. Kg4 Kd7 7. h5 4:19 7/11 -3.42 21794306 1...Kg7 2. Qc2 Be3 3. Qe2 Qd4 4. Qf3 Qd2+ 5. Kf1 Qd3+ 6. Ke1 Bd2+ 7. Kf2 Be1+ 8. Kg2 Qc2+ 9. Kf1 Bh4 10. Kg1 Qxa4 jm
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