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Subject: Re: Is the sacrifice correct?

Author: Roy Brunjes

Date: 09:32:54 02/22/04

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On February 22, 2004 at 04:02:32, Kurt Utzinger wrote:

>[D]rnb1k2r/pp1pp1bp/6p1/2pn2B1/8/2NB1N2/PqPQ2PP/1R2K2R w Kkq - 0 11
>Reti,R - Euwe,M (Amsterdam 1920)
>Position before 11.Nxd5!! (or ?!)
>
>
>[Event "Amsterdam m"]
>[Site "Amsterdam"]
>[Date "1920.??.??"]
>[Round "2"]
>[White "Reti, Richard"]
>[Black "Euwe, Max"]
>[Result "1-0"]
>[ECO "A83"]
>[PlyCount "33"]
>[EventDate "1920.??.??"]
>
>1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 g6 5. f3 exf3 6. Nxf3 Bg7 7. Bd3 c5 8. d5
>Qb6 9. Qd2 Qxb2 10. Rb1 Nxd5 11. Nxd5 Qxb1+ 12. Kf2 Qxh1 13. Bxe7 d6 14. Bxd6
>Nc6 15. Bb5 Bd7 16. Bxc6 bxc6 17. Qe2+ 1-0

CM9000 running my very strong personality called GM_Active gives the following
line after a LONG think on my AMD XP 1800 (64 MB hashtables).  It is interesting
to me that it thinks that Qxh1 is a bad idea and opts for Qb2 in the line.  Not
sure if it would really play that though -- just in the PV it shows it prefers
Qb2.


Time	Depth	Score	Positions	Moves
0:02	1/9	-0.14	561384		11.Rxb2 Bxc3 12.O-O Bxd2 13.Nxd2
					Rf8 14.Rxf8+ Kxf8 15.Be4 e6 16.c4
0:07	1/10	0.01	1699161		11.Rxb2 Bxc3 12.O-O Bxd2 13.Nxd2
					Rf8 14.Rxf8+ Kxf8 15.Ne4 d6 16.Bc4
					Nb4 17.Bh6+ Ke8
0:19	2/11	-0.02	4661009		11.Rxb2 Bxc3 12.O-O Bxd2 13.Nxd2
					Rf8 14.Ne4 Nc6 15.Rxf8+ Kxf8 16.c4
					Ndb4 17.Nxc5 Nxd3 18.Nxd3
1:29	2/11	0.63	21414376	11.Nxd5 Qxb1+ 12.Kf2 Qb2 13.Bxe7
					Bd4+ 14.Ke2 Nc6 15.Qg5 d6 16.Bxd6
					Be6 17.a4 Kd7
3:51	3/12	0.84	54957776	11.Nxd5 Qxb1+ 12.Kf2 Qb2 13.Nxe7
					Bd4+ 14.Kg3 Be5+ 15.Nxe5 Qxe5+
					16.Bf4 Qxe7 17.Re1 Qe6 18.Rxe6+
					dxe6 19.Qc3 O-O 20.Qxc5
48:58	5/14	1.39	744913975	11.Nxd5 Qxb1+ 12.Kf2 Qb2 13.Nxe7
					Bd4+ 14.Kg3 Be5+ 15.Nxe5 Qxe5+
					16.Kh3 Qe6+ 17.g4 d5 18.Nxc8 O-O
					19.Ne7+ Kh8 20.Qc3+ d4 21.Qxc5
					Rf3+ 22.Kh4 Nd7 23.Qxd4+ Ne5

Roy



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