The game, from the TCEC Superfinal, which is essentially the world championship of chess programs, can be found in the archives at the TCEC site. It's completely insane. And there was some controversy, apparently, with the ending. Q vs BB is a win, but not within the fifty move rule. Or at least, I read that somewhere today. Take THAT with a grain of salt. But the game is nearly incomprehensible for long stretches. Maybe if I say down and looked at it more closely with a computer running it would make sense. But I'm not going to do that. For all effective purposes, the top programs running of good hardware are playing a different game than we do. You can watch the games of the Superfinal at this link.Suggest marking Game 17 of Stockfish-Houdini superfinal today for when you have a few years to study a game. Kudos to our robot overlords.— Jonathan Tisdall (@GMjtis) November 15, 2016
Showing posts with label Stockfish. Show all posts
Showing posts with label Stockfish. Show all posts
Wednesday, November 16, 2016
Meanwhile, at the REAL world championship...
Today Jonathan Tisdall tweeted:
Tuesday, January 5, 2016
Solution Time for the Christmas Position of the Day
Back on Christmas I posted a position from one of John Nunn's puzzle books. Here it is again:
Nunn gives the solution as 1...Re1! 2 a8(Q) h3! 3 Ra2 g2! 4 Rf2 Rxf1+ 5 Rxf1 h2+ 6 Kxh2 gxf1(Q), the first two moves of which were played before White resigned. (I'll have this and more in a replayable board below.)
I didn't figure it out. I kept trying to make another move work. It seemed to me that 1...Rg2+ was the way to go, but I couldn't figure it out. When I saw Nunn's solution I figured it was the "correct" sequence, and that I had been off my rocker looking at the other move.
But lo and behold! When I put the position into ChessBase prior to publishing, the computer spit out that 1...Rg2+ was indeed a winning move. The trouble isn't with that move, but the follow-up, which runs 2 Kh1 (forced) Rc2!!, and here White is losing in all lines.
I'm not going to pretend to understand how White is losing by force here, but he is. I've included the main lines from the computer analysis below. Improvements can be found along the way, but it appears only for Black.
Kudriashov vs. I Ivanov, USSR 1979
Black to move
5rk1/PP4b1/3p2p1/3P4/1R2P2p/5pp1/4r3/R4NK1 b - - 0 1
Nunn gives the solution as 1...Re1! 2 a8(Q) h3! 3 Ra2 g2! 4 Rf2 Rxf1+ 5 Rxf1 h2+ 6 Kxh2 gxf1(Q), the first two moves of which were played before White resigned. (I'll have this and more in a replayable board below.)
I didn't figure it out. I kept trying to make another move work. It seemed to me that 1...Rg2+ was the way to go, but I couldn't figure it out. When I saw Nunn's solution I figured it was the "correct" sequence, and that I had been off my rocker looking at the other move.
But lo and behold! When I put the position into ChessBase prior to publishing, the computer spit out that 1...Rg2+ was indeed a winning move. The trouble isn't with that move, but the follow-up, which runs 2 Kh1 (forced) Rc2!!, and here White is losing in all lines.
Kudriashov vs. I Ivanov, USSR 1979
White to move
I'm not going to pretend to understand how White is losing by force here, but he is. I've included the main lines from the computer analysis below. Improvements can be found along the way, but it appears only for Black.
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