Author: Sune Larsson
Date: 14:18:56 02/28/01
Go up one level in this thread
On February 28, 2001 at 16:31:51, John Merlino wrote: >On February 28, 2001 at 13:35:50, Sune Larsson wrote: > >> >> 5nk1/2p3q1/1p1p1p2/3P1P1Q/2P1P1p1/5p2/PPB2P2/5K2 w - - 0 1 >> >> This is from Alekhine-Johner, Zurich 1934. A pawn down, black is about >> to manoeuvre his knight to e5, with excellent prospects. On the other >> hand the white bishop is in the need of more space, free lines to feel >> alive again. So Alekhine took a deep breath, played 1.e5! and said: >> "I need some more air." Well it could have been that way anyhow...;) >> >> 1.e5! dxe5 [If 1.-fxe5 2.f6 Qxf6 3.Qxg4+ Kf7 4.Be4 with white advantage] >> 2.d6! [The crux of white's combination. On 2.-cxd6 3.c5! is murderous] >> 2.-c5 3.Be4 Qd7 4.Qh6 1-0 >> >> The end could be 4.-Nh7 5.Bd5+ Kh8 6.Qg6 Qd8 7.d7 >> >> Test: Well, a few of the positions sent were rather easy, so for a >> change some real stuff to chew on... If your program plays >> 1.e5! you really have something going... >> >> Sune > >CM8000 comes close, as 1.e5 is its second best move: Pity, that close of sacking pawns just like Alekhine...;) > >Time Depth Score Positions Moves >0:00 2/6 1.88 14459 1. Ba4 Nh7 2. Bc6 Nf8 3. a3 Nh7 > 4. Qe8+ Nf8 >0:00 3/7 1.67 45735 1. Ba4 Nh7 2. Qg6 Ng5 3. Bd7 Nxe4 > 4. Qe8+ Kh7 5. Qxe4 Qxd7 6. Qxg4 >0:01 3/8 1.53 114561 1. Ba4 Nh7 2. Kg1 Ng5 3. Qe8+ Qf8 > 4. Qg6+ Qg7 5. Bd7 Nh3+ 6. Kf1 > Nf4 7. Qxg7+ Kxg7 >0:03 4/9 1.47 272998 1. Ba4 Nh7 2. Bd1 Qg5 3. Qxg5+ > Nxg5 4. Bc2 Nf7 5. Ba4 Ne5 6. Bb5 >0:07 5/10 1.33 715093 1. Ba4 Nh7 2. a3 Qg5 3. Qxg5+ Nxg5 > 4. Bc2 Nf7 5. b3 Ne5 6. Ke1 Kf7 > 7. Kd2 >0:23 6/11 1.32 2199424 1. Ba4 Nh7 2. a3 Qg5 3. Qxg5+ Nxg5 > 4. Bc2 Nf7 5. b3 Ne5 6. Ke1 Kf7 > 7. Kd2 Ke7 >1:09 7/12 1.33 6602374 1. Ba4 Nh7 2. a3 Qg5 3. Qxg5+ Nxg5 > 4. Bc2 Nf7 5. b3 Ne5 6. Ke1 Kf7 > 7. Kd2 Ke7 8. Ke3 >3:39 8/13 1.32 20960059 1. Ba4 Nh7 2. a3 Qg5 3. Qxg5+ Nxg5 > 4. Bc2 Nf7 5. b3 Ne5 6. Ke1 Kf7 > 7. Kd2 Ke7 8. Ke3 Kd7 > >jm
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