Author: Tim Foden
Date: 14:25:02 05/17/02
Go up one level in this thread
On May 17, 2002 at 12:01:48, Will Singleton wrote:
>Here's a position that came up today on ICC. Amateur wasn't able to bring home
>the bacon (but Yace also likes Qa3 for awhile). How about your program?
>
>[D]5rk1/p1p3p1/6rp/8/5n1Q/4qbPP/P4N1K/4RRN1 b - - bm Qc3
GLC 2.18, 24MB Hash, AXP1700+ ... changes to Qc3 after 4.14 seconds:
Game stage: Middle game
Current eval: 2.212
Ply Time Score Nodes Principal Variation
3 0.02 +1.106 5508 Ne2 2. Nd1 Qa3 3. Rxf3 Rxf3 4. Nxe2 Qxa2
4 0.03 +1.340 13379 Qa3 2. Qe7 Qxe7 3. Rxe7 Nd5
4 0.03 +1.340 15923 Qa3 2. Qe7 Qxe7 3. Rxe7 Nd5
5 0.04 +1.341 30709 Qa3 2. Qe7 Qxe7 3. Rxe7 Nd5 4. Rd7
5 0.06 +1.341 51051 Qa3 2. Qe7 Qxe7 3. Rxe7 Nd5 4. Rd7
6 0.16 +1.480 91600 Qa3 2. Qe7 c5 3. Re3 Qa6 4. Rfe1
6 0.19 +1.480 110349 Qa3 2. Qe7 c5 3. Re3 Qa6 4. Rfe1
7 0.36 +1.378 283151 Qa3 2. Nh1 Bxh1 3. Rxf4 Bd5 4. Rxf8+ Qxf8 5. Qd4
Qd6
7 0.51 +1.378 462121 Qa3 2. Nh1 Bxh1 3. Rxf4 Bd5 4. Rxf8+ Qxf8 5. Qd4
Qd6
8 0.82 +1.232 778376 Qa3 2. Nh1 Bxh1 3. Rxf4 Bd5 4. Rxf8+ Qxf8 5. Qd4
Bxa2 6. Qxa7
8 1.02 +1.232 1035007 Qa3 2. Nh1 Bxh1 3. Rxf4 Bd5 4. Rxf8+ Qxf8 5. Qd4
Bxa2 6. Qxa7
9 2.04 +1.295 2137430 Qa3 2. Qe7 Qxe7 3. Rxe7 Bc6 4. Re3 Nd5 5. Rf3 Re8
6. Nd3
9 4.14 +1.351 4205792 Qc3 2. Rc1 Qa3 3. Rxc7 Nd5 4. Rcc1 Ne3 5. Rfe1 Bd5
9 4.58 +1.351 4684812 Qc3 2. Rc1 Qa3 3. Rxc7 Nd5 4. Rcc1 Ne3 5. Rfe1 Bd5
10 7.19 +1.751 6940330 Qc3 2. Rc1 Qa3 3. Rxc7 Nd5 4. Rcc1 Ne3 5. Rfe1 Bd5
6. Re2 Qxc1 {++}
10 9.35 +1.850 8945564 Qc3 2. Rc1 Qa3 3. Rc2 Ne6 4. Nxf3 Rxf3 5. Rg1 Rgf6
6. Ne4 R6f5
10 10.46 +1.850 9995479 Qc3 2. Rc1 Qa3 3. Rc2 Ne6 4. Nxf3 Rxf3 5. Rg1 Rgf6
6. Ne4 R6f5
11 21.16 +2.115 20070k Qc3 2. Rc1 Qa3 3. Rxc7 Nd5 4. Qc4 Bg2 5. Ne4 Bxf1
6. Qxd5+ Kh8 7. Kh1
11 24.99 +2.115 24448k Qc3 2. Rc1 Qa3 3. Rxc7 Nd5 4. Qc4 Bg2 5. Ne4 Bxf1
6. Qxd5+ Kh8 7. Kh1
12 40.52 +2.107 39940k Qc3 2. Rc1 Qa3 3. Rc2 Nd5 4. Re1 Ne3 5. Rd2 Bd5 6.
Nd3 Re6 7. Qd4
12 54.67 +2.107 56658k Qc3 2. Rc1 Qa3 3. Rc2 Nd5 4. Re1 Ne3 5. Rd2 Bd5 6.
Nd3 Re6 7. Qd4
13 1:35 +2.291 96251k Qc3 2. Rc1 Qa3 3. Rc2 Nd5 4. Nh1 Ne3 5. Rxf3 Rxf3
6. Nxf3 Nxc2 7. Qc4+ Kh7 8. Qxc2 Qxf3 9. Qxc7
13 2:20 +2.291 144791k Qc3 2. Rc1 Qa3 3. Rc2 Nd5 4. Nh1 Ne3 5. Rxf3 Rxf3
6. Nxf3 Nxc2 7. Qc4+ Kh7 8. Qxc2 Qxf3 9. Qxc7
14 3:30 0/60 Qc3 >exit
local: t=3:35 nps=1023625.2 n=220057912 (18.9% / 81.1%) fh=87.5%
total: t=3:35 nps=1023625.2 n=220057912 draws=140038
trans: probes=41538503 hits=5144787 (12.39%) draft=3694870 (8.90%)
tcuts: exact=645 (0.00%) upper=2197191 (5.29%) lower=1006896 (2.42%)
tstor: exact=919 (0.00%) upper=14141545 (68.01%) lower=6650067 (31.98%)
ext: check=11133417 recap=609457 ppush=1099 1rep=1107968 thrt=0
q-moves: gen=129571715 tested=63559156 made/un=22735288 max-dep=13
max eval diff: part-1=3.154 part-2=2.443
>
Cheers, Tim.
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