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Subject: Re: Chess Tiger 14 floored in 20 moves.

Author: John Merlino

Date: 15:43:31 04/15/05

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On April 15, 2005 at 17:36:14, Eelco de Groot wrote:

>I think this was a nice attacking game from Pro Deo Betazoid T8. 10.g2-g4 seems
>fairly risky, first move after the opening, it is still established theory.
>10..b7-b5 11.g5 maybe not, I haven't checked? 14.Ndxb5 is a nice sac, and
>probably not hard to find. Chess Tiger was unlucky with 10..b5 I think and used
>up a lot of time after. I had to replay the game since Tiger caused a time-out
>first time with 12..Nc5, taking longer than 40 minutes for this move. But,
>replayed, it was over before the time trouble could begin.
>
>All games Celeron 500 MHz, 13 and 12 Mb HT, EGTB's for Chess Tiger, 40 moves in
>2 1/2 hours.
>
>[Event "Test T8"]
>[Site "Groningen"]
>[Date "2005.04.15"]
>[Round "6.2"]
>[White "Pro Deo 1.0 - Betazoid T8"]
>[Black "Chess Tiger 14.0"]
>[Result "1-0"]
>[TimeControl "40/9000:20/4500"]
>
>1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6
>6.Be2 e6 7.O-O Be7 8.f4 O-O 9.Be3 Qc7 10.g4 b5
>11.g5 Nfd7 12.f5 Nc5 13.f6 Bd8 14.Ndxb5 {!} axb5 {Chess Tiger thinks White is
>now -0.28} 15.Nxb5 Qc6
>16.fxg7 Kxg7 17.Nxd6 Ncd7 18.Bb5 Qc7 19.Nxf7 Be7 20.Bd4+ e5
> 1-0

It appears that 12...Nc5 is the cause of all of Tiger's problems. It's also the
first of Tiger's moves that I cannot find in my database.

19.Nxf7 is a phenomenal move. It takes CM9_R1 just over two minutes to find this
move on an AMD 2500.

[D]rnbb1r2/2qn1pkp/3Np3/1B4P1/4P3/4B3/PPP4P/R2Q1RK1 w - - 0 19

Time	Depth	Score	Positions	Moves
0:00	1/3	2.38	3830		19.Rxf7+ Rxf7 20.Ne8+ Kg8 21.Nxc7
					Bxc7
0:00	1/4	1.85	18667		19.Rxf7+ Rxf7 20.Ne8+ Kg8 21.Nxc7
					Bxc7 22.Kh1 Ne5
0:00	1/4	1.88	20912		19.c3 f6 20.gxf6+ Nxf6 21.e5
0:00	1/4	2.11	22075		19.Kh1 f6 20.Nxc8 Qxc8 21.gxf6+
					Nxf6 22.Qd2 Nxe4
0:00	1/4	2.17	41938		19.a4 f6 20.Nxc8 Qxc8 21.gxf6+
					Nxf6 22.Qd2
0:00	1/5	1.63	72114		19.a4 Kg8 20.Nxc8 Qxc8 21.b4 Ne5
					22.Qd6
0:00	1/5	1.68	149059		19.Qd4+ Kg8 20.Rad1 Ba6 21.Bxa6
					Rxa6
0:01	1/5	1.94	202576		19.Rxf7+ Rxf7 20.Ne8+ Kg8 21.Nxc7
					Bxc7 22.Kh1 Ne5 23.Qd2
0:01	1/5	2.04	220497		19.c3 Kg8 20.Nxc8 Qxc8 21.Qd6 Qb7
0:01	1/5	2.31	267433		19.Qd2 Ba6 20.a4 Bxb5 21.axb5 Rxa1
					22.Rxa1
0:01	1/6	1.50	349259		19.Qd2 Kg8 20.a4 Ne5 21.Nxc8 Qxc8
					22.a5 Nbc6
0:02	1/6	1.67	585822		19.Qd4+ f6 20.Qd2 Kg8 21.Nxc8 Qxc8
					22.gxf6 Bxf6
0:12	1/7	1.41	2741515		19.Qd4+ f6 20.gxf6+ Bxf6 21.Rxf6
					Nxf6 22.Rf1 Nd7 23.e5 Nd5 24.Qg4+
					Kh8
0:14	1/7	1.54	3039097		19.Rxf7+ Rxf7 20.Bd4+ Kf8 21.Nxf7
					Qf4 22.Nxd8 Qxg5+ 23.Kh1 Qxb5 24.Qf3+
					Ke7
0:16	1/7	2.01	3624983		19.Bd4+ e5 20.Be3 f6 21.Qd2 fxg5
					22.Rxf8 Kxf8 23.Nxc8 Qxc8
0:26	1/8	2.25	6027050		19.Bd4+ e5 20.Rxf7+ Rxf7 21.Ne8+
					Kg8 22.Nxc7 Bxc7 23.Be3 Nb6 24.a4
					Bd7
0:52	1/9	1.98	12694339	19.Bd4+ e5 20.Rxf7+ Rxf7 21.Ne8+
					Kh8 22.Nxc7 Bxc7 23.Bc4 Rf8 24.Bd5
					Ra6 25.Be3 Nc6
2:01	1/9	2.02	29612533	19.Nxf7 Be7 20.Bd4+ e5 21.Qh5 Ra6
					22.Bxa6 Bc5 23.Bxc5 Qxc5+ 24.Kh1
					Bxa6
4:43	1/10	4.77	73134943	19.Nxf7 Ne5 20.Nxe5 Rxf1+ 21.Bxf1
					Bxg5 22.Qg4 Qxe5 23.Qxg5+ Qxg5+
					24.Bxg5 Bb7 25.Bg2 Nd7
6:06	1/11	4.83	95978353	19.Nxf7 Ne5 20.Nxe5 Rxf1+ 21.Kxf1
					Bxg5 22.Qg4 Qxe5 23.Qxg5+ Qxg5
					24.Bxg5 Bb7 25.e5 Nc6

jm



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