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Subject: Re: Is this move really the best? [Three alternatives analyzed]

Author: Dann Corbit

Date: 09:36:57 05/05/00

Go up one level in this thread


On May 04, 2000 at 17:39:16, Dann Corbit wrote:
>On May 04, 2000 at 16:33:49, Laurence Chen wrote:
>>Hi Dan, what about 1.Qd3.  Junior 6a after pondering in the initial position for
>>8 hrs in a PIII 600 MHz, 128 MB Ram of Hashtable, came with 1. Qd3 as the best
>>move, and it gives a pv of -0.3x. Could you verify this move?
>
>Yes.  That is the original CAP data move as well.  It is the "queen move" I was
>talking about analyzing tonight in the post you responded to.

[D] 2rqk2r/pb1nbp1p/4p1p1/1B1n4/Np1N4/3Q4/PP3PPP/R1B1R1K1 b k - acd 15; acn
-1338476902; acs 30001; ce 6; pv a6 Bxa6 Bxa6 Qxa6 Ra8 Qc6 O-O Bh6 Re8 Red1 Ne5
Qc2 Bg5 Bxg5 Qxg5 Rac1 Red8;

pondering enabled.
EGTB cache memory = 6M bytes.
hash table memory = 24M bytes.
pawn hash table memory = 8M bytes.
play best book line after search.
EGTB access enabled
using tbpath=./TB
4 piece tablebase files found
1302kb of RAM used for TB indices and decompression tables
PFGA: EPD record: 1
              clearing hash tables
              time surplus   0.00  time limit 500:00 (500:00)
         nss  depth   time  score   variation (1)
Black(0): exit

                5->   0.72   1.05   1. ... O-O 2. Bh6 Re8 3. Rac1 Bd6
                6     0.80   1.03   1. ... O-O 2. Bh6 Re8 3. Rad1 Bf8 4.
                                    Bxf8 Rxf8
                6->   1.12   1.03   1. ... O-O 2. Bh6 Re8 3. Rad1 Bf8 4.
                                    Bxf8 Rxf8
                7     1.41   1.09   1. ... O-O 2. Bh6 Re8 3. Rad1 Qc7 4.
                                    Rc1 Qd6
                7->   2.18   1.09   1. ... O-O 2. Bh6 Re8 3. Rad1 Qc7 4.
                                    Rc1 Qd6
                8     2.86   0.95   1. ... O-O 2. Bh6 Re8 3. Rad1 Bf8 4.
                                    Bxf8 Rxf8 5. Qf3 Qc7
                8->   8.44   0.95   1. ... O-O 2. Bh6 Re8 3. Rad1 Bf8 4.
                                    Bxf8 Rxf8 5. Qf3 Qc7
                9    16.97   1.04   1. ... O-O 2. Bh6 Re8 3. h3 e5 4. Nf5
                                    Bf8 5. Bxf8 Rxf8 6. Nd6
                9->  19.75   1.04   1. ... O-O 2. Bh6 Re8 3. h3 e5 4. Nf5
                                    Bf8 5. Bxf8 Rxf8 6. Nd6
               10    37.32   1.01   1. ... O-O 2. Bh6 Re8 3. Rad1 Qc7 4.
                                    Rc1 Qd6 5. Qf3 Rxc1 6. Rxc1 Rd8
               10->   1:18   1.01   1. ... O-O 2. Bh6 Re8 3. Rad1 Qc7 4.
                                    Rc1 Qd6 5. Qf3 Rxc1 6. Rxc1 Rd8
               11     1:40     --   1. ... O-O
               11     2:31   0.13   1. ... O-O 2. Bh6 Re8 3. Rxe6 Nc7 4.
                                    Re2 Nxb5 5. Qxb5 Nb6 6. Nxb6 axb6 7.
                                    Qe5 Qd5
               11->  17:36   0.13   1. ... O-O 2. Bh6 Re8 3. Rxe6 Nc7 4.
                                    Re2 Nxb5 5. Qxb5 Nb6 6. Nxb6 axb6 7.
                                    Qe5 Qd5
               12    19:04   0.06   1. ... O-O 2. Bh6 Re8 3. Rxe6 Nc7 4.
                                    Re2 Nxb5 5. Qxb5 Nb6 6. Nxb6 Qxb6 7.
                                    Qxb6 axb6 8. Rae1 Rc7
               12    31:37   0.10   1. ... a6 2. Bxa6 Bxa6 3. Qxa6 Ra8
                                    4. Qc6 O-O 5. Bh6 Re8 6. Qb5 N7f6 7.
                                    Qc6 Rc8
               12->  32:39   0.10   1. ... a6 2. Bxa6 Bxa6 3. Qxa6 Ra8
                                    4. Qc6 O-O 5. Bh6 Re8 6. Qb5 N7f6 7.
                                    Qc6 Rc8
               13    35:51   0.04   1. ... a6 2. Bxa6 Bxa6 3. Qxa6 Ra8
                                    4. Qc6 O-O 5. Bh6 Re8 6. Qc2 Rc8 7.
                                    Nc6 Bf8 8. Bxf8 Rxf8
               13-> 100:11   0.04   1. ... a6 2. Bxa6 Bxa6 3. Qxa6 Ra8
                                    4. Qc6 O-O 5. Bh6 Re8 6. Qc2 Rc8 7.
                                    Nc6 Bf8 8. Bxf8 Rxf8
               14   110:44   0.03   1. ... a6 2. Bxa6 Bxa6 3. Qxa6 Ra8
                                    4. Qc6 O-O 5. Bh6 Re8 6. Rac1 Rc8 7.
                                    Qxc8 Qxc8 8. Rxc8 Rxc8 9. Kf1
               14-> 296:43   0.03   1. ... a6 2. Bxa6 Bxa6 3. Qxa6 Ra8
                                    4. Qc6 O-O 5. Bh6 Re8 6. Rac1 Rc8 7.
                                    Qxc8 Qxc8 8. Rxc8 Rxc8 9. Kf1
               15   334:41   0.06   1. ... a6 2. Bxa6 Bxa6 3. Qxa6 Ra8
                                    4. Qc6 O-O 5. Bh6 Re8 6. Red1 Ne5 7.
                                    Qc2 Bg5 8. Bxg5 Qxg5 9. Rac1 Red8
              time=500:00  cpu=99%  mat=1  n=2956490394  fh=0%  nps=98549
              ext-> checks=376781459 recaps=19328674 pawns=1751589 1rep=20707222
thrt:1538231
              predicted=0  nodes=2956490394  evals=1268624144
              endgame tablebase-> probes done=0  successful=0

Crafty v17.10

Black(1): quit
execution complete.




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