Speelman's Agony #63

by Jonathan Speelman
10/30/2017 – This week GM Jon Speelman takes a break from amateur games to look at a new theme: when your engines let you down. Two famous examples from World Championship history — Kasparov vs. Anand (1995) and Kramnik vs. Leko (2004), plus two recent ones from the Isle of Man and the European Club Cup. Want Jon to take a look at your games? Send them in, and if selected, not only will you get free detailed commentary of your games by one of chess’s great authors and instructors, and former world no. 4 player, but you also win a free three-month ChessBase Premium Account! | Photo: Chess.com / Maria Emelianova

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Engines gone awry

This week, I thought we'd go on a slight tangent, with the Agony that can be unleashed when collaboration with chess engines goes wrong. These have, of course, become immensely strong nowadays especially in tactical positions. But they nevertheless still require sufficient time to do their thing and this can lead to horrible accidents.

Peter Leko and Vladimir Kramnik in 2004The most famous instance of all occurred  in the Classical World Championship match between Vladimir Kramnik and Peter Leko in Brissago In Switzerland in October 2004. World Championship matches (as I know from personal experience after being a second at two of them) generate an unbelievable volume of analytical work and  it's crucial both to identify the battleground and to get it right.

The first requirement may seem obvious but it's all too easy to take a sequence for granted and that's what happened in the Kasparov vs. Anand match in New York 1995 when Anand played the Open Ruy Lopez for the second time and we started analysing a move too late...

 
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1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.Nbd2 Nc5 10.c3 d4 11.Ng5 dxc3 12.Nxe6 fxe6 13.bxc3 Qd3
They had contested this position in game 6 a week earlier and Kasparov then temporised with a Scotch in game 8. Game 6 was immensely complex and threw up a huge amount of analytical work after Kasaprov's choice of 14.Nf3. However in the interim the Kasparov camp had analysed the move a move reportedly suggested by Misha Tal and which had been tried in some correspondence games which we in the Anand camp didn't know of - and so Vishy was caught cold. 14.Bc2 Qxc3 15.Nb3 Nxb3 16.Bxb3 Nd4 17.Qg4 Qxa1 18.Bxe6 Rd8 19.Bh6 Qc3 20.Bxg7 Qd3 21.Bxh8 Qg6 22.Bf6 Be7 23.Bxe7 Qxg4 24.Bxg4 Kxe7 25.Rc1 c6 26.f4 a5 27.Kf2 a4 28.Ke3 b4 29.Bd1 a3 30.g4 Rd5 31.Rc4 c5 32.Ke4 Rd8 33.Rxc5 Ne6 34.Rd5 Rc8 35.f5 Rc4+ 36.Ke3 Nc5 37.g5 Rc1 38.Rd6
1–0
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WhiteEloWBlackEloBResYearECOEventRnd
Kasparov,G2795Anand,V27251–01995C80PCA-World Championship10

On this DVD a team of experts gets to the bottom of Kasparov's play. In over 8 hours of video running time the authors Rogozenko, Marin, Reeh and Müller cast light on four important aspects of Kasparov's play: opening, strategy, tactics and endgame.


In Brissago, Kramnik's camp identified the opening line perfectly  but no doubt snowed under by variations, managed to get an assessment wrong by a full 180%!

 
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1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 0-0 8.c3 d5 9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 c6 12.d4 Bd6 13.Re1 Qh4 14.g3 Qh3 15.Re4 g5 16.Qf1 Qh5 17.Nd2 Bf5 18.f3 Nf6 19.Re1 19.Qg2 is most common nowadays 19...Rae8 20.Rxe8 Rxe8 21.a4 Qg6 22.axb5 Bd3 23.Qf2 Re2 24.Qxe2 Bxe2 25.bxa6
Kramnik's team had analysed up to here and believed their engine(s) that White is much better. In 2004, it would probably have taken some time for this assessment to change to winning for Black but nowadays it takes a couple of seconds. I wanted to check what I'd written at the time and after some faffing, converting a microsoft works file (.wps) to a .docx file that Free Office can read after finding the excellent www.zamzar. com found this: The move 25...Qd3 isn't that hard to find - though actually I'd first thought of 25...g4? which loses: but he didn't leave his computer running long enough. Such was the labyrinth that they'ed already worked through that they trusted whichever engine(s) they were using and failed to think for themselves. After a little while, the assessment goes from better for White to winning to Black to such cheery announcements as "Mate in 10". But they never saw this. Kramnik was too fired up at the board to check properly and lost a brilliant game. 25...Qd3 26.Kf2 Bxf3 27.Nxf3 Ne4+ 28.Ke1 Nxc3 29.bxc3 Qxc3+ 30.Kf2 Qxa1 31.a7 h6 32.h4 g4
0–1
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WhiteEloWBlackEloBResYearECOEventRnd
Kramnik,V2770Leko,P27410–12004C89World Championship8

On this DVD Vladimir Kramnik retraces his career from talented schoolboy to World Champion in 2006. With humour and charm he describes his first successes, what it meant to be part of the Russian Gold Medal team at the Olympiad, and how he undertook the Herculean task of beating his former mentor and teacher Garry Kasparov.


If you're going to play a critical opening, then you have to be as confident as possible in your analysis. Quite often, top players simply forget the details of their analysis if they are slightly surprised by their opponent's choice. But in the recent Isle of Man Open Gawain Jones willingly played a recommendation from a DVD by Peter Svidler which his opponent Fabiano Caruana knew in advance to be unsound. In a welter of analysis, there is bound to be the odd error and this is absolutely no criticism of Svidler, but the outcome was disastrous for Jones.

 
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1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 b5 6.Bb3 Bc5 7.c3 d6 8.a4 Rb8 9.d4 Bb6 10.a5 Ba7 11.h3 0-0 12.Be3 Ra8 13.Re1 h6 14.Nbd2 exd4 15.cxd4 Nb4 16.e5 Nfd5 17.Ne4 Nxe3 18.Rxe3 Bb7 19.e6 Nd5 20.exf7+ Kh8 21.Re1 Rxf7 22.Rc1 22.Nfg5 Re7 isn't a big problem here. 22...Rc8?
However, now the rook turns out to be vulnerable on c8. I haven't seen Svidler's analysis myself but did see Gawain over the weekend at the regional Bundesliga and he tells me that on the DVD this was assessed as okay for Black. If you leave an engine on for long enough it will realise that Nfg5 is now very strong. But it does take a long time in computer terms. It was about 40 seconds before Houdini 6 promoted Nfg5 to first place and Fritz and Komodo were no quicker. 23.Nfg5 Rf5? Losing 23...Re7 24.Qg4 Qe8 and White can choose between Kh2 and Kf1. 24...Qd7? 25.Qxd7 Rxd7 loses to 26.Nxd6 25.Kf1 25.Kh2 Qf8 26.Ne6 Rxe6 27.Qxe6 Nf4 28.Qf7 Qxf7 29.Bxf7 Nd3 30.Nxd6 Rf8 31.Nxb7 Nxc1 32.Rxc1 Rxf7 25...Bxd4 26.Rcd1 Ne3+ 27.fxe3 Bxb2 28.Bc2 hxg5 29.Nxg5 g6 24.Ne6 Qd7 25.Qg4 Qf7
26.Rxc7! This beautiful blow demolishes the Black position. Rxc7 27.Nxd6 Rxf2 28.Nxc7 Qf6 29.Nxd5 Qxd4 30.Qxd4 Bxd4 31.Re4 Ba7 32.Nb6
1–0
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WhiteEloWBlackEloBResYearECOEventRnd
Caruana,F2799Jones,G26681–02017C78chess.com IoM Masters7.2

The purpose of this DVD is to teach players how to conduct the attack on the black king using different methods. Although the Italian Game and the Ruy Lopez are mostly positional openings, it is very often possible to make use of attacking methods of play


I was prompted to write on this subject not  by any of the above but a murderously complicated endgame at the recent European Club Cup. When I first looked at this, I believed my engine that Black was winning after the complications started. But later I gave the silicon monster(s) more time and it turns out that White can hold, albeit after a totally hair raising sequence.

 
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1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 d6 7.c3 Bg4 8.h3 Bh5 9.d3 Nd7 10.Nbd2 Nc5 11.Bc2 Ne6 12.Nf1 Ng5 13.Bxg5 Bxg5 14.Ng3 Bxf3 15.Qxf3 0-0 16.Rad1 Qf6 17.Qxf6 Bxf6 18.Nf5 Ne7 19.Ne3 g6 20.Bb3 Bg7 21.Nd5 Nxd5 22.Bxd5 c6 23.Bb3 a5 24.a4 Kh8
25.d4?! Wanting to react before Black gets in ...f5, Najer weakens the long black diagonal and pleases the g7 bishop. 25.h4 f5 25.g3 f5 25...exd4 26.cxd4 Ra6 27.Bc2 White would like to play 27.Bc4 Rb6 28.d5 Rb4 29.b3 when with one more tempo to play dxc6 he would be better. However, it's black's move and b5! gives a clear advantage. 30.Bf1 bxa4 31.bxa4 I tried to make 31.dxc6 work but after axb3 32.c7 b2 33.Ba6 a4 34.c8Q Rxc8 35.Bxc8 a3 White can resign. 31...c5 27...Rb6 28.b3 Rb4 29.e5 d5 30.f4 f5 31.Rf1 Bh6 To hold up g4. 32.g3 Kg8 33.Rf3 Kf7 34.Kf2 34.g4 Ke6 35.g5 35.gxf5+ gxf5 36.Kf2 c5 35...Bg7 was still rather unclear. 34...Ke6 35.Rc3 Rc8 36.Kf3 Bf8 37.Ke2 Be7 38.Rcd3 Rf8 39.Rf3 h5 40.Rff1 40.g4 hxg4 41.hxg4 fxg4 42.Rff1 c5 43.Bxg6 Rxd4 Black is just in time to prevent f5+ and better since if 44.Rxd4 cxd4 45.Kd3 Bg5 40.h4 was okay here when if c5 41.dxc5 Bxc5 42.Rc1 b6 43.Rc3 White is in time. 40...c5 41.dxc5 Bxc5 42.h4?!
42.Rd3 Re4+ 43.Kf3 42...Re4+‼ This beautiful move liberates all the energy in Black's position. I would have bene a little nervous that it might go wrong, especially playing for a team but I imagine that they already had a healthy lead in the match and Mamaedyarov had judged it very well. 43.Bxe4 43.Kd2 Bb4+ 44.Kc1 Re2 43...fxe4 44.Rc1 b6 45.b4! Quite rightly acting before the pawns start to roll. axb4 46.a5 d4 47.axb6 Kd5
48.b7 A mistake after which Black is winning. When I first looked at this game, I was of course aware that White might be able to create enough play but believed my enigne that he couldn't. When I gave it a bit more time, it turned out that he can create serious play which seems to draw. 48.e6! d3+ 49.Kd2 Bxb6 49...Rb8 50.Rxc5+ Kxc5 51.e7 Kd4 52.Rb1 e3+ 53.Kd1 Kc3 54.Rc1+ Kd4 55.b7 b3 56.Rb1 Kc3 57.Rc1+ Kb4 58.Rc6! the only move. b2 59.Rb6+ Kc3 60.Rc6+
with a strange positional draw.
50.f5! Kd4 50...gxf5 51.e7 Re8 52.Rxf5+ Kd4 53.Rb5 e3+ 54.Kd1 d2 55.Rxb4+ Kd3 56.Rb3+ Ke4 57.Rc6 Bd4 58.Re6+ Kf3 59.Rd3 Rc8 60.Rxd2 exd2 61.e8Q Rxe8 62.Rxe8 Kxg3 63.Kxd2 Bf6= 51.e7 Ra8 52.f6 e3+ 53.Ke1 Bc7 54.f7
54...Bxg3+ 55.Rf2 d2+ 56.Kd1 dxc1Q+ 57.Kxc1 exf2 58.f8Q Re8 58...Ra1+ 59.Kc2 Re1 should also lead to a draw. 59.Qf6+ Ke3 60.Kc2 Bxh4 61.Qe6+ Kf3 62.Qf7+ Ke3! 62...Kg2 63.Qxe8 leads to positions in which it's Black who is having to make tthe draw. 63.Qe6+ Kf4 64.Qf7+ Kg5 65.Qxe8 f1Q
66.Qd7 Apparently this and Qd8 draw and other moves lose. 66.Qf8 Qc4+ 67.Kd2 Qd4+ 68.Ke2 Qe4+ 69.Kf1 69.Kd2 Kg4 70.e8Q Bg5+ 71.Kd1 Qd3+ 72.Ke1 Bh4+ 69...Qe1+ 70.Kg2 Qe2+ 71.Kg1 Bf2+ 72.Qxf2 Qxe7 66...Qc4+ 67.Kd2 67.Kb2 Bf2 68.Qd2+
48...Rb8 49.f5 d3+ 50.Kd2 Kd4 51.Rxc5 e3+ 52.Kc1 Kxc5 53.fxg6 Kd4 54.Rf7 54.Rf6 Rxb7 55.Rf7 d2+ 56.Kd1 Kd3 54...b3 55.g7 e2 56.Kd2 e1Q+ 57.Kxe1 b2
0–1
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WhiteEloWBlackEloBResYearECOEventRnd
Najer,E2699Mamedyarov,S27910–12017C8733rd ECC Open 20177.2

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Correction October 31: In the Kasparov vs. Anand game, Jon initially wrote that Mikhail Tal had suggested the move 14.Bc2 "in the interim". The text has been updated to reflect the fact that Tal was no longer living in 1995.

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Jonathan Speelman, born in 1956, studied mathematics but became a professional chess player in 1977. He was a member of the English Olympic team from 1980–2006 and three times British Champion. He played twice in Candidates Tournaments, reaching the semi-final in 1989. He twice seconded a World Championship challenger: Nigel Short and then Viswanathan Anand against Garry Kasparov in London 1993 and New York 1995.

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