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Subject: Crashposition with Single reply extension

Author: Eelco de Groot

Date: 23:33:08 11/23/05

Go up one level in this thread


Just experimenting with beta 3 a bit, the following position completely stops
Gambit Fruit beta 3 at ply 14 when the Single reply extension is set to level
16, so with double numbr of fractional plies from 8. Set to level 12 there is no
problem.

Aufgabekandidat 85 Michael Gurevich, move to find e5 but only Fritz 9 seems to
like this move so I'm not convinced yet... Qh6 seems a bit reckless

[D]2r2rk1/1q1b1p1p/p2ppbp1/1p3P2/4P3/P1NB3Q/1PP3PP/4RR1K w - -

Gambit Fruit 1.0 Beta 3

 Gambit Fruit Beta 3
 200 Mb HT (2009 MHz Athlon)
 Rebel Reductions
 Quiescence Checks = 2 (from 1)
 History Treshold = 50 (from 60)
 Single reply extension level = 16 (from 8)

00:00:00.0	-0,51	1	25	fxe6 Bxe6
00:00:00.0	0,08	1	79	fxg6 fxg6
00:00:00.0	-0,15	2	2536	fxg6 fxg6 Qg3 Bxc3 bxc3
00:00:00.0	-0,15	3	3236	fxg6 fxg6 Qg3 Bxc3 bxc3
00:00:00.0	-0,42	4	8371	fxg6 fxg6 Qg3 Be5 Qh4 Rxf1+ Rxf1 Bxc3 bxc3 Rxc3
00:00:00.0	-0,28	4	13845	Qh6 Kh8 Rf3 Qb6
00:00:00.0	-0,34	5	32669	Qh6 Kh8 Rf3 Qb6 g4
00:00:00.1	-0,34	6	79871	Qh6 Kh8 Re3 Bg7 Qh4 Bd4
00:00:00.3	-0,31	7	196862	Qh6 Kh8 Rf3 Bg7 Qf4 Be5 Qh6
00:00:00.7	-0,26	8	517295	Qh6 Bg7 Qh4 Bxc3 bxc3 Rxc3 fxg6 hxg6 Qe7 Qc7 Ra1
00:00:01.9	-0,12	9	1383761	Qh6 Kh8 Re3 Bg7 Qh4 Bd4 Rh3 h5 Rhf3
00:00:04.7	-0,22	10	3599916	Qh6 Rce8 Re3 Bg7 Qh4 exf5 Rh3 h5 exf5 Be5
00:00:08.5	-0,13	11	6600390	Qh6 Rce8 Re3 Bg7 Qh4 exf5 Rh3 h5 exf5 Bxc3 bxc3 Qd5
00:00:20.0	-0,14	12	15763978	Qh6 Rce8 Re3 Bg7 Qh4 exf5 Rh3 h5 exf5 Bxc3 bxc3 Qd5
Qg5
00:00:22.8	-0,10	12	17869028	fxg6 fxg6 Rxf6 Rxf6 e5 dxe5 Ne4 Rf4 Ng5 Be8 Qxe6+
Bf7 Qh3 Bc4 Rxe5 Bxd3 cxd3
00:00:30.8	-0,27	13	24116054	fxg6 fxg6 Rxf6 Rxf6 e5 dxe5 Ne4 Rf4 Ng5 Be8 Qxe6+
Bf7 Nxf7 Rxf7 Rxe5 Kh8 c3
00:01:01.2	-0,02	13	48369012	Qh6 Bc6 Re3 Bg7 Qh3 exf5 exf5 Bd4 Ree1 Bxc3 bxc3
Kh8 f6 Qb6 Re7
00:02:01.4	0,00	13	96115578	Re3 Kg7 fxg6 fxg6 Ref3 Bxc3 bxc3 Qc7 e5 Rxf3 Qxf3
dxe5 Qf6+ Kg8 Qf7+ Kh8 Qf6+ Kg8

Here Gambit Fruit Beta 3 crashes! Task manager reports 0% activity for Gambit
beta 3.exe in ChessPartner.

With level 12:

00:00:00.0	-0,51	1	25	fxe6 Bxe6
00:00:00.0	0,08	1	79	fxg6 fxg6
00:00:00.0	-0,15	2	2533	fxg6 fxg6 Qg3 Bxc3 bxc3
00:00:00.0	-0,15	3	3206	fxg6 fxg6 Qg3 Bxc3 bxc3
00:00:00.0	-0,42	4	7942	fxg6 fxg6 Qg3 Be5 Qh4 Rxf1+ Rxf1 Bxc3 bxc3 Rxc3
00:00:00.0	-0,28	4	13212	Qh6 Kh8 Rf3 Qb6
00:00:00.1	-0,34	5	31555	Qh6 Kh8 Rf3 Qb6 g4
00:00:00.1	-0,34	6	73856	Qh6 Kh8 Re3 Bg7 Qh4 Bd4
00:00:00.3	-0,31	7	182998	Qh6 Kh8 Rf3 Bg7 Qf4 Be5 Qh6
00:00:00.7	-0,26	8	513756	Qh6 Bg7 Qh4 Bxc3 bxc3 Rxc3 fxg6 hxg6 Qe7 Qc7 Ra1
00:00:01.7	-0,12	9	1297032	Qh6 Kh8 Re3 Bg7 Qh4 Bd4 Rh3 h5 Rhf3
00:00:04.2	-0,22	10	3256587	Qh6 Rce8 Re3 Bg7 Qh4 exf5 Rh3 h5 exf5 Be5
00:00:08.5	-0,13	11	6657333	Qh6 Rce8 Re3 Bg7 Qh4 exf5 Rh3 h5 exf5 Bxc3 bxc3 Qd5
00:00:16.5	-0,14	12	12998067	Qh6 Rce8 Re3 Bg7 Qh4 exf5 Rh3 h5 exf5 Bxc3 bxc3 Qd5
Qg5
00:00:19.0	-0,10	12	14940904	fxg6 fxg6 Rxf6 Rxf6 e5 dxe5 Ne4 Rf4 Ng5 Be8 Qxe6+
Bf7 Qh3 Bc4 Rxe5 Bxd3 cxd3
00:00:27.9	-0,27	13	21976373	fxg6 fxg6 Rxf6 Rxf6 e5 dxe5 Ne4 Rf4 Ng5 Be8 Qxe6+
Bf7 Nxf7 Rxf7 Rxe5 Kh8 c3
00:00:45.5	-0,12	13	36261791	Qh6 Bc6 Re3 Bg7 Qh3 Bd4 Ree1 Bd7 Qh6 Bf6 Re3 Bg7
Qh4 Bxc3 bxc3
00:01:46.2	0,00	13	84509156	Re3 Kg7 fxg6 fxg6 Ref3 Bxc3 bxc3 Qc7 Rf7+ Rxf7 Rxf7+
Kxf7 Qxh7+ Kf8 Qh6+ Kg8 Qxg6+ Kh8 Qf6+ Kg8 Qg6+
00:03:16.3	0,01	14	156272548	Re3 Kg7 fxg6 fxg6 Ref3 h5 Qg3 Be5 Qg5 Rxf3 Qe7+ Kh6
Rxf3 Re8 Qf7 Qa7
00:06:36.1	0,01	15	314493148	Re3 Kg7 Ref3 exf5 exf5 Rce8 Qg4 Kh8 Ne4 gxf5 Qf4
Be5 Qh4 f6 Ng3 Bxb2 Bxf5
00:11:45.9	0,09	16	561540746	Re3 Kg7 Ref3 exf5 exf5 Rfe8 Qg3 g5 Qxd6 Bc6 Rg3 Qe7
Qb4 Qxb4 axb4 Rcd8 h4 h6

 Eelco



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