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

Author: Dann Corbit

Date: 10:09:03 05/04/00

Go up one level in this thread


I intend to analyze the other alternative (the queen move) tonight.

[D] 2rqk2r/pb1nbp1p/4p1pB/1B1n4/Np1N4/7Q/PP3PPP/R3R1K1 b k - acd 14; acn
-1849201082; acs 10001; ce -20; pv a6 Bf1 Bf6 Rad1 Ne7 Nb3 Qc7 Rd2 Nf5 Rc1 Qd8
Nac5 Nxh6 Rxd7;
[D] 2rqk2r/pb1nbp1p/4N1p1/1B1n4/Np6/7Q/PP3PPP/R1B1R1K1 b k - acd 16; acn
-1679008274; acs 10000; ce 22; pv fxe6 Qxe6 a6 Bxa6 Bxa6 Qxa6 Ra8 Qc4 N7f6 Bh6
Kf7 b3 Re8 Bg5 Rc8 Qe2;
[D] 2rqk2r/pb1nbp1p/4R1p1/1B1n4/Np1N4/7Q/PP3PPP/R1B3K1 b k - acd 14; acn
-1712846349; acs 10001; ce 3; pv fxe6 Nxe6 Qa5 Bxd7+ Kxd7 Nec5+ Ke8 Qd7+ Kf7
Nxb7 Rc7 Nd6+ Kg7 Qe6 Bxd6 Qxd6 Re8 Bg5 Kg8;

And the logs:
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 166:40 (166:40)
         nss  depth   time  score   variation (1)
Black(0): exit

                6     0.78   0.02   1. ... a6 2. Bf1 Bf6 3. Qd3 Ne5 4.
                                    Qe4
                6->   1.57   0.02   1. ... a6 2. Bf1 Bf6 3. Qd3 Ne5 4.
                                    Qe4
                7     2.49   0.00   1. ... a6 2. Be2 e5 3. Bg7 Nf4 4. Qg4
                                    Nf6
                7->   4.10   0.00   1. ... a6 2. Be2 e5 3. Bg7 Nf4 4. Qg4
                                    Nf6
                8     7.29   0.08   1. ... a6 2. Be2 e5 3. Bg7 Nf4 4. Qg3
                                    Bh4 5. Qg4 Nxe2+ 6. Qxe2
                8->  11.13   0.08   1. ... a6 2. Be2 e5 3. Bg7 Nf4 4. Qg3
                                    Bh4 5. Qg4 Nxe2+ 6. Qxe2
                9    20.84  -0.03   1. ... a6 2. Bf1 Bf6 3. Rad1 Ne5 4.
                                    Be2 Nc4 5. Qb3 Qc7
                9->  34.95  -0.03   1. ... a6 2. Bf1 Bf6 3. Rad1 Ne5 4.
                                    Be2 Nc4 5. Qb3 Qc7
               10     1:16  -0.01   1. ... a6 2. Bxd7+ Qxd7 3. b3 Bf6 4.
                                    Rad1 Rc7 5. Qg4 Qe7 6. Rd2 Bc8 7. Nf3
               10->   1:28  -0.01   1. ... a6 2. Bxd7+ Qxd7 3. b3 Bf6 4.
                                    Rad1 Rc7 5. Qg4 Qe7 6. Rd2 Bc8 7. Nf3
               11     2:14  -0.01   1. ... a6 2. Bxd7+ Qxd7 3. b3 e5 4.
                                    Qxd7+ Kxd7 5. Rxe5 Rhe8 6. Re4 Bd8
                                    7. Rg4 f5 8. Rg3 Ke7
               11->   2:38  -0.01   1. ... a6 2. Bxd7+ Qxd7 3. b3 e5 4.
                                    Qxd7+ Kxd7 5. Rxe5 Rhe8 6. Re4 Bd8
                                    7. Rg4 f5 8. Rg3 Ke7
               12     4:14  -0.01   1. ... a6 2. Bxd7+ Qxd7 3. b3 Bf6 4.
                                    Rad1 Rc7 5. Qg4 Rc8 6. f3 Qe7 7. Rd3
                                    Rc7 8. Ne2
               12->   5:10  -0.01   1. ... a6 2. Bxd7+ Qxd7 3. b3 Bf6 4.
                                    Rad1 Rc7 5. Qg4 Rc8 6. f3 Qe7 7. Rd3
                                    Rc7 8. Ne2
               13    35:05  -0.06   1. ... a6 2. Bf1 Qa5 3. b3 Bf6 4. Rad1
                                    Nc5 5. Nxc5 Qxc5 6. Nxe6 fxe6 7. Qxe6+
                                    Be7 8. Bxa6 Bxa6 9. Rxd5
               13->  48:54  -0.06   1. ... a6 2. Bf1 Qa5 3. b3 Bf6 4. Rad1
                                    Nc5 5. Nxc5 Qxc5 6. Nxe6 fxe6 7. Qxe6+
                                    Be7 8. Bxa6 Bxa6 9. Rxd5
               14   120:55  -0.20   1. ... a6 2. Bf1 Bf6 3. Rad1 Ne7 4.
                                    Nb3 Qc7 5. Rd2 Nf5 6. Rc1 Qd8 7. Nac5
                                    Nxh6 8. Rxd7
              time=166:40  cpu=99%  mat=1  n=2445766214  fh=6%  nps=244575
              ext-> checks=111415740 recaps=5885025 pawns=331573 1rep=5721856
thrt:469560
              predicted=0  nodes=2445766214  evals=415770595
              endgame tablebase-> probes done=0  successful=0
PFGA: EPD record: 2
              time surplus   0.00  time limit 166:40 (166:40)
         nss  depth   time  score   variation (1)
                7     0.90   0.69   1. ... fxe6 2. Qxe6 a6 3. Bxa6 Bxa6
                                    4. Qxa6 Nc5 5. Nxc5 Rxc5
                7->   1.02   0.69   1. ... fxe6 2. Qxe6 a6 3. Bxa6 Bxa6
                                    4. Qxa6 Nc5 5. Nxc5 Rxc5
                8     1.83   0.66   1. ... fxe6 2. Qxe6 a6 3. Bxa6 Bxa6
                                    4. Qxa6 N7f6 5. Qb5+ Qd7 6. Qa6
                8->   2.10   0.66   1. ... fxe6 2. Qxe6 a6 3. Bxa6 Bxa6
                                    4. Qxa6 N7f6 5. Qb5+ Qd7 6. Qa6
                9     4.94   0.50   1. ... fxe6 2. Qxe6 a6 3. Bxa6 Bxa6
                                    4. Qxa6 N7f6 5. Bh6 Ng4 6. Bg7
                9->   5.65   0.50   1. ... fxe6 2. Qxe6 a6 3. Bxa6 Bxa6
                                    4. Qxa6 N7f6 5. Bh6 Ng4 6. Bg7
               10    13.56     ++   1. ... fxe6!!
               10    45.69   1.03   1. ... fxe6 2. Qxe6 a6 3. Bxa6 Bxa6
                                    4. Qxd5 Nc5 5. Qxd8+ Kxd8 6. Nb6 Nd3
                                    7. Rd1
               10->  46.87   1.03   1. ... fxe6 2. Qxe6 a6 3. Bxa6 Bxa6
                                    4. Qxd5 Nc5 5. Qxd8+ Kxd8 6. Nb6 Nd3
                                    7. Rd1
               11    55.93     --   1. ... fxe6
               11     1:16   0.40   1. ... fxe6 2. Qxe6 a6 3. Bxa6 Bxa6
                                    4. Qxa6 Nb8 5. Qe2 Nc6 6. Bh6 Nd4 7.
                                    Qe5
               11->   1:23   0.40   1. ... fxe6 2. Qxe6 a6 3. Bxa6 Bxa6
                                    4. Qxa6 Nb8 5. Qe2 Nc6 6. Bh6 Nd4 7.
                                    Qe5
               12     3:10   0.27   1. ... fxe6 2. Qxe6 a6 3. Bxa6 Bxa6
                                    4. Qxa6 Nb8 5. Qe2 Nc6 6. Bh6 Nd4 7.
                                    Qe5 Nf6
               12->   3:25   0.27   1. ... fxe6 2. Qxe6 a6 3. Bxa6 Bxa6
                                    4. Qxa6 Nb8 5. Qe2 Nc6 6. Bh6 Nd4 7.
                                    Qe5 Nf6
               13     8:28   0.23   1. ... fxe6 2. Qxe6 a6 3. Bxa6 Bxa6
                                    4. Qxa6 Nb8 5. Qe2 O-O 6. Rd1 Rf5 7.
                                    Qe6+ Kg7 8. g4 Rc6 9. gxf5 Rxe6 10.
                                    fxe6
               13->   9:39   0.23   1. ... fxe6 2. Qxe6 a6 3. Bxa6 Bxa6
                                    4. Qxa6 Nb8 5. Qe2 O-O 6. Rd1 Rf5 7.
                                    Qe6+ Kg7 8. g4 Rc6 9. gxf5 Rxe6 10.
                                    fxe6
               14    31:53   0.12   1. ... fxe6 2. Qxe6 a6 3. Bxa6 Bxa6
                                    4. Qxa6 Ra8 5. Qd3 N5f6 6. Qb3 Ra5
                                    7. Bd2 Nc5 8. Nxc5 Qxd2
               14->  38:46   0.12   1. ... fxe6 2. Qxe6 a6 3. Bxa6 Bxa6
                                    4. Qxa6 Ra8 5. Qd3 N5f6 6. Qb3 Ra5
                                    7. Bd2 Nc5 8. Nxc5 Qxd2
               15   118:08   0.22   1. ... fxe6 2. Qxe6 a6 3. Bxa6 Bxa6
                                    4. Qxa6 Ra8 5. Qc4 N7f6 6. Bh6 Kf7
                                    7. b3 Re8 8. Bg5 Rc8 9. Qe2
               15-> 129:29   0.22   1. ... fxe6 2. Qxe6 a6 3. Bxa6 Bxa6
                                    4. Qxa6 Ra8 5. Qc4 N7f6 6. Bh6 Kf7
                                    7. b3 Re8 8. Bg5 Rc8 9. Qe2
              time=166:40  cpu=99%  mat=0  n=2615959022  fh=4%  nps=261594
              ext-> checks=189149715 recaps=6300532 pawns=688386 1rep=10357245
thrt:1217600
              predicted=0  nodes=2615959022  evals=313929951
              endgame tablebase-> probes done=0  successful=0
PFGA: EPD record: 3
              time surplus   0.00  time limit 166:40 (166:40)
         nss  depth   time  score   variation (1)
                5->   0.65   0.23   1. ... fxe6 2. Nxe6 Rxc1+ 3. Rxc1 Qb8
                                    4. Bxd7+ Kxd7 5. Qg4
                6     0.69     --   1. ... fxe6
                6     0.75  -0.43   1. ... fxe6 2. Nxe6 Qa5 3. Bxd7+ Kxd7
                                    4. Nec5+ Ke8 5. Qd7+ Kf7 6. Nxb7
                6     2.58  -0.31   1. ... Rc7 2. Re4 O-O 3. Bh6 Re8 4.
                                    Rae1
                6->   2.71  -0.31   1. ... Rc7 2. Re4 O-O 3. Bh6 Re8 4.
                                    Rae1
                7     4.28  -0.26   1. ... Rc7 2. Re2 O-O 3. Bh6 Re8 4.
                                    Rae1 f6
                7->   5.80  -0.26   1. ... Rc7 2. Re2 O-O 3. Bh6 Re8 4.
                                    Rae1 f6
                8     8.81  -0.31   1. ... Rc7 2. Re2 O-O 3. Bh6 Re8 4.
                                    Rae1 a6 5. Bd3
                8->  19.10  -0.31   1. ... Rc7 2. Re2 O-O 3. Bh6 Re8 4.
                                    Rae1 a6 5. Bd3
                9    28.10  -0.42   1. ... Rc7 2. Re2 O-O 3. Bh6 Re8 4.
                                    Rc1 Rxc1+ 5. Bxc1 Bc8 6. Nc6 Qc7 7.
                                    Nxe7+ Rxe7 8. Rxe7 Nxe7
                9->  53.74  -0.42   1. ... Rc7 2. Re2 O-O 3. Bh6 Re8 4.
                                    Rc1 Rxc1+ 5. Bxc1 Bc8 6. Nc6 Qc7 7.
                                    Nxe7+ Rxe7 8. Rxe7 Nxe7
               10     1:27  -0.44   1. ... Rc7 2. Re2 O-O 3. Bh6 Bf6 4.
                                    Bxf8 Nf4 5. Qg4 Nxe2+ 6. Nxe2 Nxf8
                                    7. Qxb4
               10->   2:36  -0.44   1. ... Rc7 2. Re2 O-O 3. Bh6 Bf6 4.
                                    Bxf8 Nf4 5. Qg4 Nxe2+ 6. Nxe2 Nxf8
                                    7. Qxb4
               11     6:42  -0.27   1. ... Rc7 2. Re1 O-O 3. Bh6 Re8 4.
                                    Rec1 N5f6 5. Rxc7 Qxc7 6. Bg5 Rd8 7.
                                    Re1
               11->   7:49  -0.27   1. ... Rc7 2. Re1 O-O 3. Bh6 Re8 4.
                                    Rec1 N5f6 5. Rxc7 Qxc7 6. Bg5 Rd8 7.
                                    Re1
               12    14:09  -0.18   1. ... Rc7 2. Re1 O-O 3. Bh6 Re8 4.
                                    Rad1 Bf6 5. Qg4 Ne5 6. Qg3 Bh4 7. Qh3
               12->  19:20  -0.18   1. ... Rc7 2. Re1 O-O 3. Bh6 Re8 4.
                                    Rad1 Bf6 5. Qg4 Ne5 6. Qg3 Bh4 7. Qh3
               13    43:47     --   1. ... Rc7
               13    56:15  -0.91   1. ... Rc7 2. Bg5 O-O 3. Bxe7 Nxe7
                                    4. Rd6 Bc8 5. Re1 a6 6. Bc6 Kg7 7.
                                    Be4 Re8 8. f4
               13    94:29     ++   1. ... O-O!!
               13   115:19  -0.25   1. ... O-O 2. Bh6 fxe6 3. Nxe6 Qa5
                                    4. Bxd7 Rf6 5. Bd2 Ra8 6. Ng5 h5 7.
                                    Be6+ Kh8 8. b3
               13   152:49   0.03   1. ... fxe6 2. Nxe6 Qa5 3. Bxd7+ Kxd7
                                    4. Nec5+ Ke8 5. Qd7+ Kf7 6. Nxb7 Rc7
                                    7. Nd6+ Kg7 8. Qe6 Bxd6 9. Qxd6 Re8
                                    10. Bg5 Kg8
               13-> 154:22   0.03   1. ... fxe6 2. Nxe6 Qa5 3. Bxd7+ Kxd7
                                    4. Nec5+ Ke8 5. Qd7+ Kf7 6. Nxb7 Rc7
                                    7. Nd6+ Kg7 8. Qe6 Bxd6 9. Qxd6 Re8
                                    10. Bg5 Kg8
              time=166:40  cpu=99%  mat=0  n=2582120947  fh=19%  nps=258194
              ext-> checks=156146840 recaps=6174476 pawns=595303 1rep=9450647
thrt:646566
              predicted=0  nodes=2582120947  evals=372191329
              endgame tablebase-> probes done=0  successful=0

Crafty v17.10

Black(1): quit
execution complete.




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Last modified: Thu, 15 Apr 21 08:11:13 -0700

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