Author: James Robertson
Date: 12:01:17 08/03/99
Go up one level in this thread
On August 03, 1999 at 12:06:29, Dann Corbit wrote: >The latest version of Crafty likes Rd8+ pretty consistently. Here is the EPD >record (acn is hosed by integral truncation): > >4k3/p4prp/1p6/2b5/8/2Q3P1/P2R1PKP/4q3 w - - acd 19; acn 1310196265; acs 36001; >bm Rd8+; ce 141; id "WAC.038"; pv Rd8+ Kxd8 Qxe1 f6 Qc3 Ke7 f4 a5 Kf3 a4 Qe1+ >Kf8 Qd1 Ra7 Kg4 a3 Kf5 Rf7 Qd5 Kg7 Qe6; > >And here is the detail of the analysis. See also Peter Kappler's excellent >analysis in the other branch of the thread. > >pondering enabled. >play best book line after search. >PFGA: EPD record: 1 ID: WAC.038 >middle-game phase > clearing hash tables > time surplus 0.00 time limit 600:00 (600:00) > s depth time score variation (1) >White(1): exit > > 6-> 0.86 1.21 1. Rd8+ Kxd8 2. Qxe1 Kd7 3. Qe5 Rg6 > 4. Kf3 > 7 0.98 1.19 1. Rd8+ Kxd8 2. Qxe1 f6 3. Qe4 Rc7 > 4. Qd3+ Rd7 5. Qe4 > 7-> 1.45 1.19 1. Rd8+ Kxd8 2. Qxe1 f6 3. Qe4 Rc7 > 4. Qd3+ Rd7 5. Qe4 > 8 1.60 1.18 1. Rd8+ Kxd8 2. Qxe1 f6 3. Kf3 Kd7 > 4. Qe4 Kd6 5. h3 > 8-> 5.86 1.18 1. Rd8+ Kxd8 2. Qxe1 f6 3. Kf3 Kd7 > 4. Qe4 Kd6 5. h3 > 9 6.18 1.18 1. Rd8+ Kxd8 2. Qxe1 f6 3. Qe6 Bd4 > 4. Qd5+ Rd7 5. Qa8+ Ke7 6. Qe4+ Kd8 > 7. f3 > 9-> 7.53 1.18 1. Rd8+ Kxd8 2. Qxe1 f6 3. Qe6 Bd4 > 4. Qd5+ Rd7 5. Qa8+ Ke7 6. Qe4+ Kd8 > 7. f3 > 10 8.07 1.21 1. Rd8+ Kxd8 2. Qxe1 f6 3. Qe6 Bd4 > 4. Kf3 Rd7 5. Qg8+ Kc7 6. Qc4+ Kb7 > 7. h3 > 10-> 10.28 1.21 1. Rd8+ Kxd8 2. Qxe1 f6 3. Qe6 Bd4 > 4. Kf3 Rd7 5. Qg8+ Kc7 6. Qc4+ Kb7 > 7. h3 > 11 11.53 1.18 1. Rd8+ Kxd8 2. Qxe1 f6 3. Qe6 Bd4 > 4. h3 Rd7 5. a4 Be5 6. f4 Re7 > 11-> 28.90 1.18 1. Rd8+ Kxd8 2. Qxe1 f6 3. Qe6 Bd4 > 4. h3 Rd7 5. a4 Be5 6. f4 Re7 > 12 31.07 1.18 1. Rd8+ Kxd8 2. Qxe1 f6 3. Qe6 Bd4 > 4. h3 Rd7 5. Kf3 Kc7 6. Qc4+ Kb7 7. > a4 f5 <HT> > 12-> 6:39 1.18 1. Rd8+ Kxd8 2. Qxe1 f6 3. Qe6 Bd4 > 4. h3 Rd7 5. Kf3 Kc7 6. Qc4+ Kb7 7. > a4 f5 <HT> > 13 6:47 1.23 1. Rd8+ Kxd8 2. Qxe1 f6 3. Qc3 Rf7 > 4. h3 Ke7 5. Kf3 Rg7 6. Qd3 Ke6 7. > Qe4+ Kd6 8. Ke2 > 13-> 11:01 1.23 1. Rd8+ Kxd8 2. Qxe1 f6 3. Qc3 Rf7 > 4. h3 Ke7 5. Kf3 Rg7 6. Qd3 Ke6 7. > Qe4+ Kd6 8. Ke2 > 14 11:17 1.25 1. Rd8+ Kxd8 2. Qxe1 f6 3. Qc3 Ke7 > 4. Qf3 Ke6 5. Qc6+ Kf5 6. Qd5+ Kg6 > 7. Qe4+ Kf7 8. Kf3 h5 9. a4 Rg4 > 14-> 14:06 1.25 1. Rd8+ Kxd8 2. Qxe1 f6 3. Qc3 Ke7 > 4. Qf3 Ke6 5. Qc6+ Kf5 6. Qd5+ Kg6 > 7. Qe4+ Kf7 8. Kf3 h5 9. a4 Rg4 > 15 14:39 1.29 1. Rd8+ Kxd8 2. Qxe1 f6 3. Qc3 Ke7 > 4. Qf3 Rf7 5. Qd5 f5 6. Qe5+ Kd7 7. > h3 Bd6 8. Qd5 Ke7 9. Kf3 > 15-> 21:29 1.29 1. Rd8+ Kxd8 2. Qxe1 f6 3. Qc3 Ke7 > 4. Qf3 Rf7 5. Qd5 f5 6. Qe5+ Kd7 7. > h3 Bd6 8. Qd5 Ke7 9. Kf3 > 16 22:11 1.29 1. Rd8+ Kxd8 2. Qxe1 f6 3. Qc3 Ke7 > 4. Qf3 Rf7 5. Qf5 Kf8 6. h3 Ke7 7. > f4 Kd6 8. Qd3+ Kc6 9. Qe4+ Kd6 10. > Kf3 > 16-> 44:08 1.29 1. Rd8+ Kxd8 2. Qxe1 f6 3. Qc3 Ke7 > 4. Qf3 Rf7 5. Qf5 Kf8 6. h3 Ke7 7. > f4 Kd6 8. Qd3+ Kc6 9. Qe4+ Kd6 10. > Kf3 > 17 45:28 1.30 1. Rd8+ Kxd8 2. Qxe1 f6 3. Qc3 Ke7 > 4. Qf3 Rf7 5. Qf5 Kd6 6. a4 Ke7 7. > Kf3 Kd6 8. Ke4 Re7+ 9. Kd3 <HT> > 17-> 132:56 1.30 1. Rd8+ Kxd8 2. Qxe1 f6 3. Qc3 Ke7 > 4. Qf3 Rf7 5. Qf5 Kd6 6. a4 Ke7 7. > Kf3 Kd6 8. Ke4 Re7+ 9. Kd3 <HT> > 18 136:04 1.35 1. Rd8+ Kxd8 2. Qxe1 f6 3. Qc3 Ke7 > 4. Qf3 Rf7 5. Qf5 Bd6 6. h3 Bc5 7. > Kf3 Kd6 8. Ke4 Re7+ 9. Kd3 Rf7 10. > Qf4+ Kc6 11. Qc4 > 18-> 286:18 1.35 1. Rd8+ Kxd8 2. Qxe1 f6 3. Qc3 Ke7 > 4. Qf3 Rf7 5. Qf5 Bd6 6. h3 Bc5 7. > Kf3 Kd6 8. Ke4 Re7+ 9. Kd3 Rf7 10. > Qf4+ Kc6 11. Qc4 > 19 298:16 1.41 1. Rd8+ Kxd8 2. Qxe1 f6 3. Qc3 Ke7 > 4. f4 a5 5. Kf3 a4 6. Qe1+ Kf8 7. Qd1 > Ra7 8. Kg4 a3 9. Kf5 Rf7 10. Qd5 Kg7 > 11. Qe6 > time=600:00 cpu=99% mat=-3 n=1310196265 fh=3% nps=36394 > ext-> checks=1169572130 recaps=19608518 pawns=645664 1rep=63479022 >thrt:3670675 > predicted=0 nodes=1310196265 evals=1915076847 > endgame tablebase-> probes done=0 successful=0 > >Crafty v16.15 > >White(1): quit >execution complete. Thanks! James
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