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Subject: Re: WCSAC.0050

Author: Renze Steenhuisen

Date: 08:01:02 05/07/05

Go up one level in this thread


On May 07, 2005 at 10:55:38, Steven Edwards wrote:

>On May 07, 2005 at 10:37:48, Renze Steenhuisen wrote:
>>On May 07, 2005 at 09:39:10, Steven Edwards wrote:
>
>>>Here's WCSAC.0050:
>>>
>>>[D] r1bq1rk1/pp3pb1/2p1pnp1/4NnBp/2BPN3/2P2Q2/PP3PPP/R3K2R w KQ - 0 1
>>>
>>>Book: g4
>>>
>>>Toolkit: Rd1 Qe7 g4 a5 gxh5 gxh5 Rg1 (+2.798)
>>>
>>>Currently running a probable cook rate of about 8%.
>>
>>I beg you pardon? What do you mean? What exactly is it that you're doing?
>
>I'm trying to find alternative solutions for the positions givin in Reinfeld's
>_Winning Chess Sacrifices and Combinations_.  These will be incorporated in a
>revised version of the WCSAC test suite for all to share.

Yes, I know. You may have noticed my previous postings of the long analyses of
Crafty on your WCSAC positions? Anyway, 8% is done?

Crafty v19.3 with 768 MB, 3 GHz PIV:
              clearing hash tables
              time surplus   0.00  time limit 166666:39 (166666:39)
              depth   time  score   variation (1)
                1     0.00   1.50   1. O-O
                1->   0.01   1.50   1. O-O
                2     0.01   1.42   1. O-O Qe7
                2->   0.01   1.42   1. O-O Qe7
                3     0.01   1.59   1. O-O Qe7 2. Rfe1
                3     0.02   1.67   1. g4 b5 2. gxf5 bxc4 3. fxg6
                3->   0.02   1.67   1. g4 b5 2. gxf5 bxc4 3. fxg6
                4     0.04   1.67   1. g4 b5 2. gxf5 bxc4 3. fxg6
                4->   0.05   1.67   1. g4 b5 2. gxf5 bxc4 3. fxg6
                5     0.08     ++   1. g4!!
                5     0.15   3.13   1. g4 h4 2. gxf5 exf5 3. Nc5
                5->   0.17   3.13   1. g4 h4 2. gxf5 exf5 3. Nc5
                6     0.23     ++   1. g4!!
                6     0.39   3.57   1. g4 Nxd4 2. cxd4 Qa5+ 3. Bd2 Qd8
                                    4. Bg5
                6->   0.47   3.57   1. g4 Nxd4 2. cxd4 Qa5+ 3. Bd2 Qd8
                                    4. Bg5
                7     0.48     --   1. g4
                7     0.60   3.13   1. g4 Nxd4 2. cxd4 Qa5+ 3. Bd2 Qd8
                                    4. Nxf6+ Qxf6 5. Qxf6 Bxf6 6. g5
                7->   0.72   3.13   1. g4 Nxd4 2. cxd4 Qa5+ 3. Bd2 Qd8
                                    4. Nxf6+ Qxf6 5. Qxf6 Bxf6 6. g5
                8     1.02   3.42   1. g4 Nxd4 2. cxd4 Qa5+ 3. Bd2 Qd8
                                    4. gxh5 Nxe4 5. Qxe4 gxh5
                8->   1.23   3.42   1. g4 Nxd4 2. cxd4 Qa5+ 3. Bd2 Qd8
                                    4. gxh5 Nxe4 5. Qxe4 gxh5
                9     2.10   3.30   1. g4 Nxd4 2. cxd4 Qa5+ 3. Bd2 Qd8
                                    4. g5 Nd5 5. O-O-O a5
                9->   2.48   3.30   1. g4 Nxd4 2. cxd4 Qa5+ 3. Bd2 Qd8
                                    4. g5 Nd5 5. O-O-O a5
               10     3.74   3.05   1. g4 Nxd4 2. cxd4 Qa5+ 3. Bd2 Qd8
                                    4. Nxf6+ Bxf6 5. Bb4 hxg4 6. Nxg4 Be7
                                    7. Nh6+ Kg7 8. Bxe7 Qxe7
               10    18.36   3.19   1. O-O-O b5 2. Bb3 Bb7 3. g4 c5 4.
                                    Bxf6 Bxf6 5. gxf5 Bxe4 6. Qxe4 exf5
               10->  20.03   3.19   1. O-O-O b5 2. Bb3 Bb7 3. g4 c5 4.
                                    Bxf6 Bxf6 5. gxf5 Bxe4 6. Qxe4 exf5
               11    27.88   3.07   1. O-O-O b5 2. Bd3 Bb7 3. g4 b4 4.
                                    cxb4 hxg4 5. Nxg4 c5 6. Bxf6 Bxe4 7.
                                    Bxe4 Bxf6 8. Bxa8 cxd4
               11->  57.01   3.07   1. O-O-O b5 2. Bd3 Bb7 3. g4 b4 4.
                                    cxb4 hxg4 5. Nxg4 c5 6. Bxf6 Bxe4 7.
                                    Bxe4 Bxf6 8. Bxa8 cxd4
               12     1:25   3.21   1. O-O-O b5 2. Bd3 b4 3. Nxc6 Qb6 4.
                                    Nxf6+ Bxf6 5. Bxf6 bxc3 6. bxc3 Bb7
                                    7. Be4 Rfc8 8. Bxf5 Bxc6
               12->   1:38   3.21   1. O-O-O b5 2. Bd3 b4 3. Nxc6 Qb6 4.
                                    Nxf6+ Bxf6 5. Bxf6 bxc3 6. bxc3 Bb7
                                    7. Be4 Rfc8 8. Bxf5 Bxc6
               13     2:18   3.03   1. O-O-O b5 2. Bd3 b4 3. Nxc6 Qb6 4.
                                    Nxf6+ Bxf6 5. Bxf6 bxc3 6. bxc3 Bb7
                                    7. Be4 Bxc6 8. Bxc6 Rab8
               13     3:37   3.20   1. h3 c5 2. dxc5 Kh8 3. Ng4 hxg4 4.
                                    hxg4+ Kg8 5. Qh3 Re8 6. Bxf6 Bxf6 7.
                                    gxf5 g5 8. Nd6
               13->   5:32   3.20   1. h3 c5 2. dxc5 Kh8 3. Ng4 hxg4 4.
                                    hxg4+ Kg8 5. Qh3 Re8 6. Bxf6 Bxf6 7.
                                    gxf5 g5 8. Nd6
               14     7:05   3.31   1. h3 c5 2. dxc5 Kh8 3. Ng4 hxg4 4.
                                    hxg4+ Kg8 5. Qh3 Re8 6. Bb5 Bd7 7.
                                    Bxf6 Bxf6 8. Bxd7 Bxc3+ 9. Nxc3 Qxd7
                                    10. gxf5 exf5+
               14    12:56   3.44   1. g4 Nxd4 2. cxd4 Qa5+ 3. Bd2 Qd8
                                    4. Nxf6+ Bxf6 5. gxh5 Bxe5 6. dxe5
                                    Qd4 7. Be2 Qxb2 8. Bc3 Qc2 9. hxg6
                                    fxg6
               14->  13:29   3.44   1. g4 Nxd4 2. cxd4 Qa5+ 3. Bd2 Qd8
                                    4. Nxf6+ Bxf6 5. gxh5 Bxe5 6. dxe5
                                    Qd4 7. Be2 Qxb2 8. Bc3 Qc2 9. hxg6
                                    fxg6
               15    15:47   3.46   1. g4 Nxd4 2. cxd4 Qa5+ 3. Bd2 Qd8
                                    4. Nxf6+ Bxf6 5. gxh5 Bxe5 6. dxe5
                                    Qd4 7. Qf4 Qxb2 8. O-O Rd8 9. Be3 b5
                                    10. Rab1
               15    21:30   3/56*  1. h3



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