Author: John Merlino
Date: 19:04:00 10/17/02
Go up one level in this thread
On October 17, 2002 at 16:22:19, John Merlino wrote: >On October 17, 2002 at 16:01:11, Gian-Carlo Pascutto wrote: > >>[D]r1bqkb1r/1ppp1ppp/p1n5/4p3/B3n3/5N2/PPPP1PPP/RNBQR1K1 b kq - 0 6 >> >>The standard move is d4 here, but my thing wants to play Re1 and >>thinks it's quite a bit better. >> >>My book has nearly no games with this, so I looked in the full >>database to see whether this has been played before. It has, >>very occasionally. Mostly by lesser players, which isn't exactly >>encouraging. However, the last 2 games with this in my database >>were: >> >>PARSOS-IKARUS, WCCC 2002 Maastricht >>XINIX-IKARUS, WCCC 2002 Maastricht >> >>To add to the coincidence, even though Ikarus was involved in >>both games, the Re1 move is whites. So this means that both >>ParSOS and XiniX chose to play the 'odd' move at the exact >>same tournament. >> >>-- >>GCP > >Here are the results of the position in the CM9000 database: > >d4 -- +661 =716 -387 -- 57.8% (1764 games) >Re1 -- +9 =21 -15 -- 43.3% (45 games) >Qe2 -- +1 =2 -5 -- 25.0% (8 games) >Bxc6 -- +1 =0 -1 -- 50.0% (2 games) > >Of the 45 games in which 6.Re1 was played, the average ELO for White was 2335. >The average ELO for White in the 1764 games for 6.d4 was 2462. > >Only two players above 2500 played 6.Re1. Here are the two games: > >[Event "Lloyds Bank"] >[Site "London ENG"] >[Date "1991.08.??"] >[Round "6"] >[White "Kengis, Edvins"] >[Black "Morris, Philip"] >[TimeControl "-"] >[Result "1-0"] >[ECO "C80"] >[WhiteELO "2575"] >[BlackELO "2385"] >[WhiteTitle "IGM"] >[BlackTitle "IM"] >[WhiteCountry "URS"] >[BlackCountry "ENG"] > >1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.Re1 Nc5 7.Nc3 Be7 >8.Nd5 O-O 9.Bxc6 dxc6 10.Nxe7+ Qxe7 11.d4 Ne6 12.Rxe5 f6 13.Re1 Bd7 >14.c4 Rad8 15.Qb3 Qf7 16.Be3 Rfe8 17.Red1 Bc8 18.Rac1 Nf8 19.Bf4 Ng6 >20.Bg3 b6 21.Qa4 Bb7 22.Qc2 Rd7 23.Re1 Rde7 24.Rxe7 Rxe7 25.h4 Nf8 26.b4 >c5 27.d5 cxb4 28.Qd2 a5 29.Nd4 Rd7 30.Qf4 Ba6 31.Nf5 Ng6 32.Qg4 Kh8 >33.Re1 h6 34.h5 Ne5 35.Bxe5 fxe5 36.Rxe5 b5 37.Qe4 Rd8 38.Nxh6 gxh6 >39.Re7 Rf8 40.Rxf7 Rxf7 41.Qe6 1-0 > >[Event "Interzonal tournament"] >[Site "Subotica YUG"] >[Date "1987.06.??"] >[Round "2"] >[White "Popovic, Petar"] >[Black "Prasad, Devaki V"] >[TimeControl "-"] >[Result "1/2-1/2"] >[ECO "C80"] >[WhiteELO "2540"] >[BlackELO "2425"] >[WhiteTitle "IGM"] >[WhiteCountry "YUG"] >[BlackCountry "IND"] > >1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.Re1 Nc5 7.Bxc6 dxc6 >8.Nxe5 Be7 9.b3 O-O 10.Ba3 Ne6 11.Bxe7 Qxe7 12.Nc3 Bd7 13.Re3 Rad8 14.d3 >Bc8 15.Qh5 Nf4 16.Qf3 Qg5 17.Qg3 Qxg3 18.hxg3 Nd5 19.Nxd5 cxd5 20.b4 >Rfe8 21.Rae1 f6 22.Nf3 Bd7 1/2-1/2 > >jm Perhaps I should also add that, although CM9000 will always play 6.d4 from its book in this position, WITHOUT its book it takes 4:32 on a P4-2.66 to switch from Re1 to d4: Time Depth Score Positions Moves 0:00 1/3 -0.17 1216 6.d3 b5 7.dxe4 bxa4 0:00 1/4 -0.15 2368 6.d3 Nc5 7.Bg5 Be7 0:00 1/5 -0.30 9533 6.d3 Nf6 7.d4 exd4 8.Re1+ Be7 9.Nxd4 0:00 1/5 -0.13 20648 6.Re1 Nc5 7.Bxc6 dxc6 8.Rxe5+ Be7 9.d3 0:00 1/5 -0.10 26204 6.Qe2 Nc5 7.Bxc6 dxc6 8.Qxe5+ Qe7 0:00 1/6 0.01 38131 6.Qe2 Nc5 7.Bxc6 dxc6 8.d4 Ne6 9.Qxe5 0:00 1/7 -0.12 75847 6.Qe2 Nc5 7.Bxc6 dxc6 8.Qxe5+ Qe7 9.d3 Qxe5 10.Nxe5 0:00 1/7 -0.07 113731 6.Re1 Nc5 7.Bxc6 dxc6 8.Rxe5+ Be6 9.d3 f6 0:01 1/8 0.12 228741 6.Re1 Nc5 7.Bxc6 dxc6 8.Nxe5 Be6 9.d4 Nd7 10.Nc3 Nxe5 11.Rxe5 0:02 1/9 -0.02 510831 6.Re1 Nc5 7.Bxc6 dxc6 8.d4 Ne6 9.dxe5 Bd7 10.Nc3 Bc5 0:07 1/10 0.19 1622849 6.Re1 Nc5 7.Bxc6 dxc6 8.d4 Ne6 9.Nxe5 Bd6 10.c4 Qh4 0:14 2/11 0.08 3361333 6.Re1 Nc5 7.Bxc6 dxc6 8.d4 Ne6 9.Nxe5 Bd6 10.Nc3 O-O 11.Be3 Ng5 0:39 3/12 0.21 9300639 6.Re1 Nc5 7.Bxc6 dxc6 8.Nxe5 Ne6 9.d4 Bd6 10.c4 O-O 11.Nc3 Qh4 1:44 4/13 0.15 25268280 6.Re1 Nc5 7.Bxc6 dxc6 8.Nxe5 Ne6 9.Qh5 Qf6 10.Nc3 g6 11.Qe2 Bg7 12.d3 O-O 13.Bd2 4:32 4/13 0.20 63361544 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.a4 Na5 10.Ba2 Nc4 11.axb5 axb5 12.Nbd2 Nexd2 13.Bxd2 Nxb2 jm
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