Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: A test position from my game in the chessbase server

Author: John Merlino

Date: 18:23:07 05/25/04

Go up one level in this thread


On May 25, 2004 at 18:00:57, Uri Blass wrote:

>Here is the game and a position that my opponent blundered
>
>[Event "Rated game, 3m + 0s"]
>[Site "Main Playing Hall"]
>[Date "2004.05.25"]
>[Round "?"]
>[White "Uri_Blass"]
>[Black "BoDiddley"]
>[Result "1-0"]
>[ECO "B00"]
>[WhiteElo "1902"]
>[BlackElo "1869"]
>[PlyCount "27"]
>[EventDate "2004.04.30"]
>[TimeControl "180"]
>
>1. e4 {[%emt 0:00:02]} b6 {[%emt 0:00:03]} 2. d4 {[%emt 0:00:01]} Bb7 {
>[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:02]} e6 {[%emt 0:00:00]} 4. Nf3 {
>[%emt 0:00:01]} d5 {[%emt 0:00:01]} 5. exd5 {[%emt 0:00:08]} exd5 {
>[%emt 0:00:08]} 6. Bd3 {[%emt 0:00:00]} Bd6 {[%emt 0:00:05]} 7. Qe2+ {
>[%emt 0:00:02]} Ne7 {[%emt 0:00:03]} 8. O-O {[%emt 0:00:00]} c6 {[%emt 0:00:01]
>} 9. Bg5 {[%emt 0:00:06]} O-O {[%emt 0:00:02]} 10. Ne5 {[%emt 0:00:03]} f6 {
>[%emt 0:00:03]} 11. Qh5 {[%emt 0:00:16]} Bxe5 {[%emt 0:00:33]} 12. Bxh7+ {
>[%emt 0:00:08]} Kh8 {[%emt 0:00:02]} 13. Bg6+ {[%emt 0:00:03]} Kg8 {
>[%emt 0:00:02]} 14. Qh7# {
>(Lag: Av=0.62s, max=2.6s) BoDiddley gibt auf [%emt 0:00:01]} 1-0
>
>
>
>Uri_Blass - BoDiddley, Rated game, 3m + 0s 2004
>[D]rn1q1rk1/pb2nppp/1ppb4/3pN1B1/3P4/2NB4/PPP1QPPP/R4RK1 b - - 0 1
>
>Analysis by Fritz 8:
>
>10...f6 11.Nf3 fxg5 12.Qe6+ Kh8 13.Nxg5 Na6 14.Nf7+ Rxf7 15.Qxf7 Nb4 16.Rae1
>Nxd3
>  µ  (-1.06)   Depth: 6/28   00:00:00  120kN
>10...f6 11.Nf3 fxg5 12.Qe6+ Kh8 13.Nxg5 Na6 14.Nf7+ Rxf7 15.Qxf7 Nb4 16.Rae1
>Nxd3
>  µ  (-1.06)   Depth: 7/29   00:00:00  183kN
>10...f6 11.Nf3 fxg5 12.Qe6+ Kh8 13.Nxg5 Na6 14.Nf7+ Rxf7 15.Qxf7 Nb4 16.Rae1
>Nxd3
>  µ  (-1.06)   Depth: 8/25   00:00:00  307kN
>10...f6--
>  µ  (-0.78)   Depth: 9/24   00:00:02  550kN
>10...f6 11.Qh5 h6
>  µ  (-0.78)   Depth: 9/39   00:00:04  1298kN
>10...f6--
>  ³  (-0.50)   Depth: 10/26   00:00:05  1657kN
>10...f6 11.Qh5 h6 12.Bxh6 fxe5
>  =  (0.19)   Depth: 10/35   00:00:08  2545kN
>10...f6 11.Qh5 h6 12.Bxh6 fxe5 13.dxe5 gxh6 14.Qxh6 Rf7 15.exd6
>  =  (0.19)   Depth: 11/31   00:00:22  8291kN
>10...f6 11.Qh5 g6 12.Nxg6 hxg6 13.Bxg6 Nxg6 14.Qxg6+
>  ²  (0.28)   Depth: 12/35   00:00:47  17936kN
>10...f6 11.Qh5 g6 12.Nxg6 hxg6 13.Bxg6 Nxg6 14.Qxg6+
>  ²  (0.47)   Depth: 13/34   00:01:53  45413kN
>10...Qc7!
>  ²  (0.44)   Depth: 13/38   00:05:41  142283kN
>10...Qc7 11.Qh5 Ng6 12.f4 Ba6 13.Rf3 Bxd3 14.Nxd3 Re8 15.f5 Nf8
>  ²  (0.34)   Depth: 13/40   00:08:53  220715kN
>
>(Blass, Tel-Aviv 25.05.2004)
>
>Note that I did not prove that f6 is losing in all lines but analysis suggest
>that white has a clear advantage after f6.

CM_SKR on an AMD 2500 needs 0:06 to avoid f6:

Time	Depth	Score	Positions	Moves
0:00	1/3	0.22	2226		1...f6 2.Qh5 fxe5 3.Qxh7+ Kf7
0:00	1/4	-0.55	7322		1...f6 2.Qh5 h6 3.Bxh6 fxe5 4.dxe5
					gxh6 5.exd6 Qxd6
0:00	1/5	-0.55	31080		1...f6 2.Qh5 h6 3.Bxh6 fxe5 4.dxe5
					gxh6 5.exd6 Qxd6
0:00	1/6	-0.29	95072		1...f6 2.Qh5 h6 3.Bxh6 fxe5 4.Bxg7
					Kxg7 5.Qg5+ Kf7 6.dxe5
0:01	1/7	0.61	225606		1...f6 2.Qh5 g6 3.Nxg6 hxg6 4.Bxg6
					Nxg6 5.Qxg6+ Kh8 6.Bh4 Bc8 7.Rae1
0:03	1/8	1.63	730556		1...f6 2.Qh5 f5 3.Rfe1 Bc8 4.Rad1
					h6 5.Bh4 Bb4
0:06	1/8	0.58	1656709		1...Qc7 2.Qh5 Ng6 3.Nxg6 fxg6 4.Qh4
					Nd7 5.Rae1 Rae8 6.a3
0:26	1/9	0.45	6594249		1...Qc7 2.Qh5 Ng6 3.Nxg6 fxg6 4.Qh4
					Nd7 5.Rae1 Rae8 6.Be7
0:54	1/10	0.65	14075027	1...Qc7 2.Qh5 Ng6 3.Rae1 Bxe5 4.dxe5
					Ba6 5.Qe2 Bxd3 6.cxd3 Na6 7.d4
2:53	1/11	0.49	45743371	1...Qc7 2.Qh5 Ng6 3.f4 Na6 4.f5
					Nxe5 5.dxe5 Bc5+ 6.Kh1 Nb4 7.f6
					Nxd3 8.fxg7 Rfe8 9.cxd3 Rxe5

jm



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.