Ah. That makes sense. It's a pattern centered on a possible next move. Very cool. Tysvm for explaining.
On Tue, Nov 3, 2015 at 1:33 PM, Detlef Schmicker <d...@physik.de> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > > > Am 03.11.2015 um 20:24 schrieb Jim O'Flaherty: > > I don't see how "leave the center empty" works as a valid case, > > assuming this it just any valid 3x3 window on the board. Given bots > > playing each other, there can be 9x9 clumps of a stone of the same > > color. I can see it being argued there is no computational value in > > this specific pattern instance. But, then what are the conditions > > of the exceptions to the generalization? And how do you effectively > > iterate through the other +20,000 variations (not reduced by > > location or color symmetry)? > > > > So, I'm curious, is there some other assumption about the 3x3 > > window other than it be a view into any valid 3x3 space on a Go > > board? > > Sorry, I did not explain the details, the assumption is: > I play in the middle, so it must be empty. I thought legal moves might > not really reduce the number of 3x3 patterns, as there can be no > suicide known from 3x3 patterns, as a capture is always possible. > > Therefore I wonder, what 14 patterns did not appear in my 40000 games > harvested:) > > > > > > On Tue, Nov 3, 2015 at 1:04 PM, Álvaro Begué > > <alvaro.be...@gmail.com> wrote: > > > >> I get 1107 (954 in the middle + 135 on the edge + 18 on a > >> corner). > >> > >> Álvaro. > >> > >> > >> > >> On Tue, Nov 3, 2015 at 2:00 PM, Detlef Schmicker <d...@physik.de> > >> wrote: > >> > > Thanks, but I need them reduced by reflection and rotation > > symmetries (and leave the center empty so 3^8 + 3^5 + 3^3 and than > > reduce) > > > > > > > > Am 03.11.2015 um 19:32 schrieb Gonçalo Mendes Ferreira: > >>>>> If you are considering only black stone, white, empty and > >>>>> border, ignoring symmetry, wouldn't it be > >>>>> > >>>>> 3^9 + 3^6 + 3^4 > >>>>> > >>>>> 3^9 for patterns away from the border, 3^6 for near the > >>>>> sides and 3^4 near the corners, assuming you are also > >>>>> interested in the center value. > >>>>> > >>>>> This makes 20493, then you need to take out illegal > >>>>> patterns (surrounded middle stone). So I'd hint it's close > >>>>> to 20000. > >>>>> > >>>>> On 03/11/2015 18:17, Detlef Schmicker wrote: I could not > >>>>> find the number of 3x3 patterns in Go, if used all > >>>>> symmetrie s. > >>>>> > >>>>> Can anybody give me a hint, were to find. Harvesting 40000 > >>>>> games I get 1093:) > >>>>> > >>>>> Thanks, Detlef > >>>>>> _______________________________________________ > >>>>>> Computer-go mailing list Computer-go@computer-go.org > >>>>>> http://computer-go.org/mailman/listinfo/computer-go > >>>>> > >>>>> _______________________________________________ Computer-go > >>>>> mailing list Computer-go@computer-go.org > >>>>> http://computer-go.org/mailman/listinfo/computer-go > >>>>> > >>> _______________________________________________ Computer-go > >>> mailing list Computer-go@computer-go.org > >>> http://computer-go.org/mailman/listinfo/computer-go > >>> > >> > >> > >> _______________________________________________ Computer-go > >> mailing list Computer-go@computer-go.org > >> http://computer-go.org/mailman/listinfo/computer-go > >> > > > > > > > > _______________________________________________ Computer-go mailing > > list Computer-go@computer-go.org > > http://computer-go.org/mailman/listinfo/computer-go > > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v2.0.22 (GNU/Linux) > > iQIcBAEBAgAGBQJWOQv1AAoJEInWdHg+Znf4GTYQAIATv45HU7fR1S4bfiygapDI > IOOnTtHTdjNoqHWGD07Y3MUy8rP24AcWHtEmlH+uwt42HBFXhCW9Hr2ul/Yreofl > e/lxcoawYYWs1tPuHEKV8TPQUVM3aHvPREoQgBMbkMlDpKQA1Jj3Q0Kv8T9cUVOW > S2URrTyOFrLiEbl4znYJwiH7hVI7q0HKom/XGFYWkfwhvJjDdKDrPbTUyl4IWo2Q > v/HdIXC/6WrPSnkeFnkc595w0qTUiXWj+B/0JYMnKvBml3aEsG8W6uT79SdDJ1MN > OJ4iW9L08p68Ovxt6Wp+eXopiPZSQ90PxPtI3cfmWrPWhs3/P95mLPg+u0CEt+PH > iuMaCM/XR68rWqQhMjRVbJkM+udo0f5iIGwN3xSDQiqfD1OO4Ks60Bdbj2qmKu/B > npEMGGeCqQmiyPftCYSdeMTHPScH+CvcL1nZaC4kdW7+aDfrC7JvU3L5nfKhVxMK > RfuXdNeX6mVAI2uL+MvFFea1B38qvdBS4y1XCQ8QObQxuxNJJupzQ8fixYGdOotj > UzuuXI4pyCzEcWWG+dr58pA35MbEpUWVsw/UMSA96RjevaqAUQ7nyFvNxcBahzE/ > PGHRvcdp/c9AtlxKLDCqMd4+XMVWkSzj75jFhJuyRM4hkcszYdzVngWj6D4h9Npk > bzUgyQTYpesLVPNtVfjx > =Vqlf > -----END PGP SIGNATURE----- > _______________________________________________ > Computer-go mailing list > Computer-go@computer-go.org > http://computer-go.org/mailman/listinfo/computer-go >
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