Author: mike schoonover
Date: 04:00:12 09/24/04
Go up one level in this thread
On September 23, 2004 at 20:16:05, Cliff Sears wrote:
>The move played was Qxf3
>
>Analysis from "The World's Greatest Chess Games" says Rg4 is best. What does
>your engine say?
>
>[d] 1r2k1r1/pbppnp1p/1bn2P2/7q/Q7/B1PB1N2/P4PPP/3RR1K1 b - - 0 19
>
>[Event "GCG_003"]
>[Site "Berlin"]
>[Date "1852.??.??"]
>[Round "?"]
>[White "Anderssen, A."]
>[Black "Dufresne, J."]
>[Result "1-0"]
>[ECO "C52"]
>[WhiteElo "2600"]
>[BlackElo "2370"]
>[Annotator "Fritz 5.00 (5s)"]
>[PlyCount "47"]
>[EventDate "1852.??.??"]
>
>1. e4 e5 {Opening = C52 - Evans Gambit-Hauptvariante /Evans Gambit-main line}
>2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O d3 8. Qb3 Qf6 {
>Exerts pressure on the isolated pawn} 9. e5 Qg6 10. Re1 Nge7 11. Ba3 $146 (11.
>Nbd2 O-O 12. Ne4 d2 13. Bxd2 d5 14. exd6 cxd6 15. Bd3 Qe6 16. Qc2 Qd7 17. Bf4
>Bc7 18. Rad1 Ng6 19. Bg3 d5 20. Nc5 Qd8 21. Bxg6 hxg6 22. Bh4 Bxh2+ 23. Kh1 Qd6
>24. Ne4 Qa3 25. Rxd5 Bc7 26. Qd2 Be6 27. Nf6+ Kh8 28. Rxe6 fxe6 29. Rd7 Rad8
>30. Qh6+ {1-0 Losev,D-Kadimova,I/Moscow op Russian Winter 1991/TD 91\03}) 11...
>b5 $15 (11... d5 $142 $5 12. exd6 cxd6 $17) 12. Qxb5 Rb8 13. Qa4 Bb6 14. Nbd2
>Bb7 15. Ne4 Qf5 (15... Nd4 16. Nfg5 Ne6 17. Bxd3 $11) 16. Bxd3 Qh5 (16... Nxe5
>$4 17. Nd6+ cxd6 18. Bxf5 $18) 17. Nf6+ $15 (17. Rab1 $142 $5 $11) 17... gxf6
>18. exf6 Rg8 19. Rad1 $4 $19 (19. Kf1 Rxg2 20. Kxg2 $19) 19... Qxf3 {
>Do you see the mate threat?} 20. Rxe7+ Nxe7 $4 (20... Kd8 21. Rxd7+ $1 Kc8 22.
>Rd8+ Kxd8 23. Be2+ Nd4 24. Bxf3 Bxf3 $14) 21. Qxd7+ $3 Kxd7 22. Bf5+ Ke8 23.
>Bd7+ Kf8 (23... Kd8 24. fxe7#) 24. Bxe7# 1-0
this is ruffians thinking after 10:09 on a 2.53 ghz celeron D.
Logfile: Fri Sep 24 05:45:01 2004
Total hash size 64M
Open book: ruffian.bok
Book version 0.3 created Sun Sep 29 02:01:08 2002
59116 book moves, depth=60
ruffian: [xboard]
Initializing tablebases: c:/tb
{protover 2}
[protover 2]
[accepted done]
[accepted setboard]
[accepted analyze]
[accepted setboard]
[accepted myname]
[accepted ics]
[accepted done]
[accepted ping]
[new]
[random]
[ics -]
[level 40 5 0]
[post]
[hard]
[ping 1]
[force]
[setboard 1r2k1r1/pbppnp1p/1bn2P2/7q/Q7/B1PB1N2/P4PPP/3RR1K1 b - - 0 1]
[analyze]
1r2k1r1/pbppnp1p/1bn2P2/7q/Q7/B1PB1N2/P4PPP/3RR1K1 b - -
Depth Time Score Best line
1/3 0.00 -2.92 ... h6 fxe7
1/7 0.00 -2.55 ... Bc5 fxe7 Bxa3 Qxa3
1/7 0.00 0.63 ... Rg4
1/9 0.00 3.80 ... Qxf3
2/9 0.00 3.94 ... Qxf3 Bxe7 Rxg2+
3/12 0.03 7.26 ... Qxf3 Be4 Rxg2+ Kh1
4/14 0.08 6.18 ... Qxf3 Bg6 Bxf2+ Kh1 Qxf6
5/16 0.12 1.82 ... Qxf3 Rxe7+ Kd8 Be4 Rxg2+ Kh1 Rg4+ Bxf3 Rxa4 Rdxd7+
6/18 0.29 -1.74 ... Qxf3 Rxe7+ Kd8 Rxd7+ Kc8 Rd8+ Kxd8 Be2+ Nd4 Bxf3
Bxf3 Rxd4+ Bxd4 Qxd4+
6/18 0.61 -0.02 ... Rg4 Qc2 Ne5 Rxe5 Rxg2+ Kf1 Qxf3 Rxe7+
6/19 1.18 0.37 ... Qh3 Bf1 Qf5 Rd3 Qxf6 Bxe7 Nxe7 Rxd7 Bxf3 Rdxe7+
6--> 1.89 0.37 ... Qh3 Bf1 Qf5 Rd3 Qxf6 Bxe7 Nxe7 Rxd7 Bxf3 Rdxe7+
7/21 2.26 -- ... Qh3
7/21 2.73 -0.32 ... Qh3 Bf1 Qf5 Bb5 Qxf3 Rxe7+ Kd8 Rdxd7+ Kc8 Bxc6
Bxc6
7/21 4.36 x.xx ... Rxg2+
7/21 4.43 0.39 ... Rxg2+ Kxg2 Ne5 Be4 Qg4+ Kh1 Nxf3 Bxe7 Nxe1 Rxe1
Bxf2
7/22 5.26 x.xx ... Ne5
7/22 5.36 ++ ... Ne5
7/22 5.47 0.88 ... Ne5 Rxe5 Rxg2+ Kf1 Rxf2+ Ke1 Bc6 Rxe7+ Kd8 Qh4
Bxf3 Qxh5 Bxh5
7--> 5.67 0.88 ... Ne5 Rxe5 Rxg2+ Kf1 Rxf2+ Ke1 Bc6 Rxe7+ Kd8 Qh4
Bxf3 Qxh5 Bxh5
8/22 5.75 -- ... Ne5
8/23 6.15 -2.68 ... Ne5 Rxe5 Rxg2+ Kf1 Bc6 Rxe7+ Kd8 Rxd7+ Bxd7 Be7+
Ke8 Qxd7+ Kxd7 Bg6+ Kc6 Bxh5 Rxf2+
8/23 6.33 x.xx ... Qh3
8/25 7.98 0.00 ... Qh3 Bf1 Qf5 Bd3 Qh3
8/25 8.84 x.xx ... Rxg2+
8/25 9.11 0.54 ... Rxg2+ Kxg2 Ne5 Qxd7+ Nxd7 Rxe7+ Kd8 Rxd7+ Kc8
Rd8+ Kxd8 Bf5+ Bd4 Rxd4+ Ke8 Bd7+ Kd8
8/25 12.47 x.xx ... Bd4
8/25 13.58 0.57 ... Bd4 Nxd4 Rxg2+ Kxg2 Nxd4+ Be4 Bxe4+ Rxe4 Qg6+
Kh3 Qxe4 Qxd4 Qxd4 Rxd4
8--> 13.87 0.57 ... Bd4 Nxd4 Rxg2+ Kxg2 Nxd4+ Be4 Bxe4+ Rxe4 Qg6+
Kh3 Qxe4 Qxd4 Qxd4 Rxd4
9/26 14.97 -- ... Bd4
9/26 17.81 -0.83 ... Bd4 cxd4 Qxf3 Be4 Rxg2+ Kh1 Ne5 Bxf3 Bxf3 Re3
Bxd1 Qxd1
9/26 19.36 x.xx ... Qh3
9/26 22.37 0.00 ... Qh3 Bf1 Qf5 Bd3 Qh3
9--> 35.76 0.00 ... Qh3 Bf1 Qf5 Bd3 Qh3
10/29 44.95 0.00 ... Qh3 Bf1 Qf5 Bd3 Qh3
10--> 1:04 0.00 ... Qh3 Bf1 Qf5 Bd3 Qh3
11/31 1:25 0.00 ... Qh3 Bf1 Qf5 Bd3 Qh3
11--> 2:15 0.00 ... Qh3 Bf1 Qf5 Bd3 Qh3
12/35 3:15 0.00 ... Qh3 Bf1 Qf5 Bd3 Qh3
12--> 5:18 0.00 ... Qh3 Bf1 Qf5 Bd3 Qh3
13/37 7:49 0.00 ... Qh3 Bf1 Qf5 Bd3 Qh3
{exit}
Time: 10:09, cpu 97.48%, nodes 541198249, nps 888054
Hash: 32M, used 100%, hits 17%
EGTB: probs 0, hits 0
regards
mike
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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