Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Immortal game?

Author: Albert Silver

Date: 05:41:29 11/07/04

Go up one level in this thread


On November 07, 2004 at 05:23:27, Ed Schröder wrote:

>Last night I played a game against my own brainchild, I sometimes still do that.
>The game got interesting when I played a wild sacrifice which I couldn't oversee
>till the end but as it seems is correct after all. It's my bet (in case the
>sacrifice is correct) no engine will find this move.
>
>I want to find out if the sac is correct so I can label this game as my own
>personal immortal game.
>
>Here is the game and the critical positions, please start your engines...
>
>[Event "Play for fun"]
>[Site "Deventer"]
>[Date "06.11.2004"]
>[Round "?"]
>[White "Ed"]
>[Black "Rebel 12"]
>[Result "1-0"]
>[WhiteElo "?"]
>[BlackElo "?"]
>
>1. d4 Nf6 2. f3 d5 3. Nc3 c6 4. e4 e6 5. e5 Nfd7 6. f4 Bb4 7. Nf3 O-O 8.
>Bd3 c5 9. Ng5 g6 10. h4 cxd4 11. h5 dxc3 12. b3 Qc7 13. Nxh7 Nxe5 14. fxe5
>Qxe5+ 15. Kf1 Kxh7 16. hxg6+ Kg8 17. g7 Qf6+ 18. Ke1 Qxg7 19. Bh7+ Kh8
>20. Qh5 f5 21. Bg5 Nc6 22. Bxf5+ Kg8 23. Bh7+ Kh8 24. Be4+ Kg8 25. Bh6
>Qg3+ 26. Kd1 dxe4 27. Bg5 Qd6+ 28. Kc1 Qd7 29. Bf6 Qd2+ 30. Kb1 Qe1+ 31.
>Rxe1 Rxf6 32. Rh1 Kf8 33. Qh8+ Ke7 34. Rh7+ Rf7 35. a3 Bd6 36. Ka2 e5 37.
>Rah1 Nd8 38. R1h6 Bf5 39. Qf6+ Ke8 40. Rh8+ Bf8 41. Qxe5+ Kd7 42. Rf6 Rxf6
>43. Qxf6 Be6 44. Qxf8 *
>
>[d]rnbq1rk1/pp1n1p1p/4p1p1/3pP1N1/1b1p1P1P/2NB4/PPP3P1/R1BQK2R w KQ - bm h5;
>
>Position after 10..cxd4, move to find 11.h5!!
>
>[d]rnbq1rk1/pp1n1p1p/4p1p1/3pP1NP/1b3P2/1PpB4/P1P3P1/R1BQK2R b KQ - bm Qc7;
>
>12..Qc7 looks like a smart defence (see the game) but is it really the best
>move? Else I think the rest is forced. I think this is the critical position.

Deep Fritz 8 had huge fail-low (I presume) on the 12th ply, but so far prefers
12...Nxe5 as shown here. I'll feed it the immediate follow-up and see what it
says for white as the take seems more or less forced.

New game
rnbq1rk1/pp1n1p1p/4p1p1/3pP1NP/1b3P2/1PpB4/P1P3P1/R1BQK2R b KQ - 0 1

Analysis by Deep Fritz 8:


1...Nf6 2.exf6 Qxf6 3.hxg6 hxg6 4.Nh7 Qh8 5.Qg4
  -+  (-1.77)   Depth: 9/42   00:00:08  7164kN
1...Nf6--
  -+  (-1.49)   Depth: 10/27   00:00:09  7479kN
1...Nf6 2.exf6 Qxf6 3.hxg6 hxg6 4.Nh7 Qh8 5.Qg4 Re8 6.Bxg6 Qg7 7.Bf5 exf5+
  -+  (-1.44)   Depth: 10/45   00:00:09  7842kN
1...Nxe5!
  -+  (-1.44)   Depth: 10/45   00:00:09  8233kN
1...Nxe5!
  -+  (-1.60)   Depth: 10/45   00:00:10  8441kN
1...Nxe5 2.fxe5 Qc7 3.Nf3 Nc6 4.Qe2 Bc5 5.Bh6
  -+  (-1.65)   Depth: 10/45   00:00:10  8641kN
1...Nxe5 2.fxe5 Qc7 3.Nf3 Nc6 4.Qe2 f6 5.Bh6 Nxe5 6.Nxe5 Qxe5
  µ  (-1.40)   Depth: 11/35   00:00:13  11660kN
1...Nxe5--
  µ  (-1.12)   Depth: 12/40   00:00:23  20506kN
1...Nxe5 2.fxe5 Qc7 3.Qe2 f6 4.hxg6 hxg6 5.Nh7 Qxe5 6.Qxe5 fxe5 7.Nxf8 Bxf8
8.Bxg6 Kg7 9.Bd3 Bc5
  ³  (-0.61)   Depth: 12/61   00:12:45  1375760kN
1...f5!
  ³  (-0.61)   Depth: 12/61   00:13:13  1400955kN
1...f5!
  µ  (-0.77)   Depth: 12/61   00:13:17  1404940kN
1...f5 2.Nxe6 Qe7 3.Nxf8 Nxf8 4.hxg6 hxg6 5.a3 Bc5 6.Qf3 Nc6 7.Qxd5+
  µ  (-0.78)   Depth: 12/61   00:13:19  1406441kN
1...f5--
  ³  (-0.50)   Depth: 13/37   00:13:33  1419555kN
1...f5 2.hxg6 Qe8 3.Rh6 hxg6 4.Qf3
  =  (0.00)   Depth: 13/46   00:13:42  1427209kN
1...Nxe5!
  =  (-0.01)   Depth: 13/46   00:13:49  1432827kN
1...Nxe5!
  =  (-0.16)   Depth: 13/46   00:13:52  1435211kN
1...Nxe5!
  ³  (-0.47)   Depth: 13/46   00:13:54  1437676kN
1...Nxe5 2.fxe5 Qc7 3.Qe2 f6 4.hxg6 hxg6 5.Nh7 Qxe5 6.Qxe5 fxe5 7.Nxf8 Bxf8
8.Bxg6 Kg7 9.Bd3 Bc5
  ³  (-0.61)   Depth: 13/46   00:14:03  1444639kN
1...Nxe5 2.fxe5 Qc7 3.Qe2 Nc6 4.Nxh7 Qxe5 5.Nxf8 Bxf8 6.hxg6 fxg6 7.Be3 Nb4 8.a3
  ³  (-0.34)   Depth: 14/41   00:15:39  1530022kN
1...Nxe5 2.fxe5 Qc7 3.Qe2 Nc6 4.Nxh7 Qxe5 5.Nxf8 Bxf8 6.hxg6 fxg6 7.Be3
  ³  (-0.41)   Depth: 15/43   00:20:39  1791937kN
1...Nxe5 2.fxe5 Qc7 3.Qe2 Nc6 4.Nxh7 Qxe5 5.Nxf8 Bxf8 6.hxg6 fxg6 7.Be3
  ³  (-0.37)   Depth: 16/44   00:29:50  2257812kN

(Silver, Private 07.11.2004)



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.