Author: Pete Galati
Date: 16:12:55 03/02/00
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On March 02, 2000 at 10:11:50, Shep wrote: > >This is from a correspondence game I played last year. >14...Nxf2 is the amazing novelty my opponent found. >This position is going to be part of my upcoming Shep 2000 test suite >to be released next month. > >1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O Qc7 7. Qe2 d6 8. c4 >g6 9. Rd1 Bg7 10. Nf3 O-O 11. Nc3 Nbd7 12. Bc2 Ng4 13. Bf4 Nde5 14. Nd2 (14. >Nd2 b5 15. h3 Nf6 16. cxb5 axb5 17. Bb3 b4 18. Nb5 Qb8 19. Nxd6 Nh5 20. Bxe5 >Bxe5 21. N2c4 Ba6 22. Qf3 {1-0 Cabrilo,G-Kovacevic,V/Vrnjacka Banja 1988 (33)}) >(14. Nxe5 Nxe5 15. Bb3 (15. Rac1 b6 16. b3 Rd8 17. Bb1 Rb8 18. Be3 Qe7 19. Na4 >Nd7 20. b4 b5 21. cxb5 axb5 22. Nc3 { >1-0 Schaefer,M-Bluhm,G/BL2-W 8889 1989/BL2 (38)}) 15... b6 16. Rac1 Bb7 17. f3 >Rac8 18. Qd2 Rfd8 19. Bg5 Rd7 20. Qf2 h6 21. Be3 Nxc4 22. Na4 { >1-0 Hawelko,M-Hulak,K/Berlijn open 1988 (39)}) 14... Nxf2 $3 $146 { Junior 6. >0: 0:55, +0,35 Deep Junior 6.0a: 0:59, +0,32 Nimzo 7.32: 6:00, +0,40 Hiarcs >7.32: 8:19, +0,06 Fritz 6.0a: >10:00 } 15. Qxf2 (15. Kxf2 Qb6+ 16. c5 Qxb2 >17. Nb3 (17. cxd6 Qxc3 18. Nb3 Bd7 {transposition}) 17... Qxc3 18. cxd6 Bd7 $19 >) 15... Ng4 16. Qe2 Qb6+ 17. Kf1 (17. c5 Qxb2 18. Rac1 Qxc3 19. Nb3 (19. cxd6 >e5 $19) (19. Bxd6 $4 Bd4+ $19) 19... dxc5 $17) 17... Qxb2 18. Bxd6 Qxc3 (18... >Rd8 19. e5 Qxc2 20. Qxg4 Qxc3 $17) 19. Qxg4 {White resigns} 0-1 > >Critical position: >[D]r1b2rk1/1pq2pbp/p2pp1p1/4n3/2P1PBn1/2N5/PPBNQPPP/R2R2K1 b - - 0 14; bm Nxf2; >id Shep 2000.01 > >14...Nxf2!! > >The results from the programs I tested (PIII-550): > >Junior 6.0: 0:55, +0,35 >Deep Junior 6.0a: 0:59, +0,32 >Nimzo 7.32: 6:00, +0,40 >Hiarcs 7.32: 8:19, +0,06 >Fritz 6.0a: >10:00 > >--- >Shep Keep in mind this is on my slow 90mhz machine, but I could not get Crafty to find Nxf2 in analyze mode, so I fed it the move and annotated the game (cut short at 14. ...Nxf2) and also below is the game log. Pete [Event "Game from non-PGN file"] [Site "DEFAULT"] [Date "2000.03.02"] [Round "-"] [White "?"] [WhiteElo ""] [Black "?"] [BlackElo ""] [Result "*"] [Annotator "Crafty v17.8"] {annotating only black moves.} {using a scoring margin of -1.00 pawns.} {search time limit is 15:00} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O Qc7 7. Qe2 d6 8. c4 g6 9. Rd1 Bg7 10. Nf3 O-O 11. Nc3 Nbd7 12. Bc2 Ng4 13. Bf4 Nde5 14. Nd2 Nxf2 ({10:-1.48} 14. ... Nxf2 15. Qxf2 Ng4 16. Qf3 Qb6+ 17. Kf1 Qxb2 18. Qxg4 Qxc2 19. Rac1 Qd3+ 20. Ne2 $16) White has a moderate advantage ({10:-0.09} 14. ... Bd7 15. h3 Nf6 16. Rac1 Rac8 17. Bxe5 dxe5 18. Ba4 Bxa4 19. Nxa4 Rfd8 20. Qf3 $10) drawish position * White(1): info Crafty version 17.8 hash table memory = 12M bytes. pawn hash table memory = 1M bytes. EGTB cache memory = 1M bytes. 60 moves/30 minutes 0 seconds primary time control 30 moves/15 minutes 0 seconds secondary time control frequency (freq)..............1.00 static evaluation (eval)......0.10 learning (learn)..............0.30 CAP (CAP score)...............1.00 White(1): annotate White(1): annotate shep2.pgn b 14 -1 900" White(1): e4 Black(1): c5 White(2): Nf3 Black(2): e6 White(3): d4 Black(3): cxd4 White(4): Nxd4 Black(4): a6 White(5): Bd3 Black(5): Nf6 White(6): O-O Black(6): Qc7 White(7): Qe2 Black(7): d6 White(8): c4 Black(8): g6 White(9): Rd1 Black(9): Bg7 White(10): Nf3 Black(10): O-O White(11): Nc3 Black(11): Nbd7 White(12): Bc2 Black(12): Ng4 White(13): Bf4 Black(13): Nde5 White(14): Nd2 Black(14): Nxf2 Searching all legal moves.---------------------------------- middle-game phase clearing hash tables time surplus 0.00 time limit 15:00 (15:00) nss depth time score variation (1) 6 6.94 -0.13 14. ... Bd7 15. h3 Nf6 16. Qe3 b5 17. Qe2 6-> 9.87 -0.13 14. ... Bd7 15. h3 Nf6 16. Qe3 b5 17. Qe2 7 13.23 -0.14 14. ... Bd7 15. h3 Nf6 16. Bb3 Rac8 17. Bxe5 dxe5 18. Qf3 7-> 24.16 -0.14 14. ... Bd7 15. h3 Nf6 16. Bb3 Rac8 17. Bxe5 dxe5 18. Qf3 8 29.78 -0.20 14. ... Bd7 15. h3 Nf6 16. Qe3 Rac8 17. Bh6 Qc5 18. Qf4 8 1:05 -0.18 14. ... b6 15. h3 Nf6 16. Bb3 Nh5 17. Bg5 f6 18. Be3 8-> 1:26 -0.18 14. ... b6 15. h3 Nf6 16. Bb3 Nh5 17. Bg5 f6 18. Be3 9 2:26 -0.10 14. ... b6 15. h3 Nf6 16. Bb3 Nfd7 17. Nf3 Nxf3+ 18. Qxf3 Ne5 19. Bxe5 Bxe5 20. Rac1 9-> 3:09 -0.10 14. ... b6 15. h3 Nf6 16. Bb3 Nfd7 17. Nf3 Nxf3+ 18. Qxf3 Ne5 19. Bxe5 Bxe5 20. Rac1 10 7:58 -0.16 14. ... b6 15. a4 Bb7 16. h3 Nf6 17. Bxe5 dxe5 18. a5 bxa5 19. Nb3 Rad8 20. Rxa5 Rxd1+ 21. Bxd1 10 13:12 -0.09 14. ... Bd7 15. h3 Nf6 16. Rac1 Rac8 17. Bxe5 dxe5 18. Ba4 Bxa4 19. Nxa4 Rfd8 20. Qf3 10-> 14:51 -0.09 14. ... Bd7 15. h3 Nf6 16. Rac1 Rac8 17. Bxe5 dxe5 18. Ba4 Bxa4 19. Nxa4 Rfd8 20. Qf3 time=15:00 cpu=99% mat=0 n=17442904 fh=91% nps=19360 ext-> checks=131762 recaps=53155 pawns=1072 1rep=5267 thrt:21 predicted=0 nodes=17442904 evals=5142155 endgame tablebase-> probes done=0 successful=0 Searching only the move played in game.-------------------- time surplus 0.00 time limit 45:00 (45:00) nss depth time score variation (1) 8 9.75 -1.82 14. ... Nxf2 15. Qxf2 Ng4 16. Qf3 Qb6+ 17. c5 Bd4+ 18. Kf1 Qxb2 19. Qxg4 Qxc2 8-> 9.77 -1.82 14. ... Nxf2 15. Qxf2 Ng4 16. Qf3 Qb6+ 17. c5 Bd4+ 18. Kf1 Qxb2 19. Qxg4 Qxc2 9 25.71 -1.65 14. ... Nxf2 15. Qxf2 Ng4 16. Qf3 Qb6+ 17. Kf1 Qxb2 18. Qxg4 Qxc2 19. Rac1 9-> 25.73 -1.65 14. ... Nxf2 15. Qxf2 Ng4 16. Qf3 Qb6+ 17. Kf1 Qxb2 18. Qxg4 Qxc2 19. Rac1 10 56.80 -1.48 14. ... Nxf2 15. Qxf2 Ng4 16. Qf3 Qb6+ 17. Kf1 Qxb2 18. Qxg4 Qxc2 19. Rac1 Qd3+ 20. Ne2 10-> 56.83 -1.48 14. ... Nxf2 15. Qxf2 Ng4 16. Qf3 Qb6+ 17. Kf1 Qxb2 18. Qxg4 Qxc2 19. Rac1 Qd3+ 20. Ne2 time=56.84 cpu=99% mat=0 n=1346787 fh=91% nps=23694 ext-> checks=11364 recaps=3775 pawns=261 1rep=1114 thrt:0 predicted=0 nodes=1346787 evals=216634 endgame tablebase-> probes done=0 successful=0 White(15): q execution complete.
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