July 10 Fireworks

by admin on July 11, 2018

After six rounds of the Tuesday Night Marathon at the Mechanics Institute in San Francisco, I realized something kind of odd. I hadn’t played a single sacrifice in any of my first five games (in one round I took a half-point bye, so obviously no sacrifices in that game). Well, of course sacrifices aren’t always appropriate, but I still took this as a sign that I was perhaps playing conservatively — an approach reflected in my score of two wins and three draws. I decided that — again, if appropriate — I would not shy away from taking risks in my game last night.

Well, it turns out that I was just saving all my sacrifices for one game! In last night’s game I played two pawn sacrifices, an exchange sacrifice, and a bishop sacrifice; also there is a queen sacrifice in the notes which I didn’t get a chance to play in the actual game. For lovers of attacking chess, this game should be deeply satisfying.

I owe a big debt to Brian Wall for this game, for a reason that you will see.

Dana Mackenzie — Jaysen Shi, French Defense

1. e4 e6 2. Nf3 d5 3. Nc3 Nf6

I’ve been playing this Two Knights Variation of the French Defense for more than 30 years, but I only discovered four years ago that I had been playing the main variation wrong!

4. e5 Nfd7 5. d4 c5 6. Bg5!? …

A super provocative move. The two players have diametrically opposite philosophies about the position. Black wants a closed game with long-term pressure against White’s center pawns. White is doing everything in his power to develop his pieces rapidly and make it an open, tactical game.

6. … Qb6 7. dc! …

This is the startling, non-intuitive move that I learned from Brian Wall. For years and years I played 7. Qd2 here, because I thought that the pawn trade just made Black’s life too easy. As it turns out, the pawn trade is exactly the right move order, because of a deep tactical trick.

7. … Bxc5

Seems natural, but maybe 7. … Nxc5 should be considered.

8. Qd2 …

Continuing with the plan of rapid development, and enticing Black into a trap.

Position after 8. Qd2. Black to move.

FEN: rnb1k2r/pp1n1ppp/1q2p3/2bpP1B1/8/2N2N2/PPPQ1PPP/R3KB1R b KQkq – 0 8

It looks as if Black can just win material with 8. … Bxf2+ 9. Qxf2 Qxb2. However, White gets the last laugh: 10. Kd2! Qxa1 11. Bb5! Qxh1 12. Qc5 Qxg2+ 13. Kc1 Nc6 14. Bxc6 Qxg5+ 15. Nxg5 bc 16. Qxc6 Rb8 17. Nxd5! It’s not necessarily a forced win for White, but the position is way easier for White to play. This occurred in the game Brian Wall – Lior Lapid, Colorado Closed Championship 2014, and you can find the full game here.

I don’t know whether my opponent missed the 8. … Bxf2+ possibility or whether he had a suspicion, from the rapidity of my play, that something was up. In any case, he plays a good practical move that gets his king out of danger (for the time being).

8. … O-O 9. O-O-O …

In theory White could defend his two weaknesses with 10. Nd1, but this leaves the initiative in Black’s hands and I had zero interest in such a move. I did take a long time here, more than ten minutes. Shi may have sensed, correctly, that I was now out of my personal book knowledge, so he felt as if it would be all right now to take on f2. I doubt it!

9. … Bxf2?!

Black will now lose his dark-squared bishop, and that turns out to be a gargantuan strategic concession.

10. Na4! Qc6 11. Qxf2 Qxa4 12. Rd4! …

Offering a second pawn. This is not the time to worry about material. White wants to mobilize his pieces as quickly as possible, and if Black wants to spend more tempi capturing pawns, then so be it!

12. … Qxa2 13. Qh4 …

Playing on both sides of the board. If Black tries to develop naturally with 13. … Nc6? then 14. Ra4! traps his queen. At this point my opponent went into the tank for a long time. I really didn’t know what he would do, and I decided I wouldn’t even bother trying to analyze any more for the time being — I would just wait and see what he chose.

Position after 13. Qh4. Black to move.

FEN: rnb2rk1/pp1n1ppp/4p3/3pP1B1/3R3Q/5N2/qPP3PP/2K2B1R b – – 0 13

13. … Qa1+ 14. Kd2 Qa5+ 15. c3 Nc5

I don’t even know  what to recommend for Black, because White’s attack is so immense. When Black played this move, I was just coming to the conclusion that 15. … Nxe5 might be his best try. After 16. Nxe5 f6 17. Bd3 looks overwhelming — Black can’t take either piece because he gets mated. However, maybe Black can just play 16. Nxe5 f5 and try to survive with three pawns for a piece. I dunno.

However, the text move, 15. … Nc5, is just wrong on principle. It doesn’t develop any new pieces, it moves his only developed minor piece farther from the kingside, and it weakens the pressure on e5.

There’s a saying in chess, “If you see a good move, stop and look for a better one.” However, in the position below there was one move that seemed so overwhelmingly good that it was very difficult for me to consider any alternatives. Let’s see if you can figure out what the move was that got me so excited.

Position after 15. … Nc5. White to move.

FEN: rnb2rk1/pp3ppp/4p3/q1npP1B1/3R3Q/2P2N2/1P1K2PP/5B1R w – – 0 16

(Space added in case you want to think about it some more.)

The winning move (I feel pretty confident in this statement) is

16. Bf6!! …

One of those rare moves when everything comes together and works perfectly. I love everything about it. First of all, there is the Alekhine block motif; White sees that one of Black’s best defensive ideas is to play … f6 or … f5 and he physically prevents that. Second, the bishop sac cannot be accepted right away because 16. … gf? 17. Rg4+ would lead to mate next move. Third, Black’s idea of 16. … Ne4+ is too slow because of 17. Rxe4! de Qg5 forcing mate. Fourth, 16. … g6? would allow the queen sac 17. Qxh7+! (Hey, no sissy moves like 17. Qh6 here.) On most other moves, either 17. Qg5 or 17. Rg4 are lights out. Black really does need to get rid of White’s rook, so there is nothing wrong with his next move, even though it does continue his trend of giving up tempi for material.

16. … Nb3+ 17. Ke3! …

Believe it or not, this is the most secure location.

17. … Nxd4 18. cd! …

It’s important for White to keep his knight at f3 for a couple of the variations below.

18. … h6

I was hoping that he would continue to grab material with 18. … gf. Then 19. ef Kh8 20. Ng5 would end the game. By the way, I have to point out one other thing I love about this position, which is the way that the humble pawn on b2 takes away both of Black’s possible queen checks on the third rank.

When I first saw the possibility of 18. … h6, back on move 16, I almost thought it refuted my attack, but White has too many attackers and Black is in every variation one tempo too late to organize a defense.

19. Bd3! Nd7

The most thematic line would have been 19. … gf 20. Qxh6 f5 21. Ng5! This shows the importance of inviting all your pieces to the party! Even White’s rook on h1, which has never moved, plays a tiny role in the attack, because it prevents any possible defense with … Qe1+. The only White pieces that have contributed nothing to the attack are the pawns on g2 and h2.

The rest is just slaughter.

20. Qg3 Nxf6 21. ef g6 22. Bxg6 …

This piece sac is so obvious that I can’t even award it an exclamation mark.

22. … Kh8 23. Qf4 Black resigns.

If I ever have occasion to give a lecture on piece coordination, this game will be Exhibit A. I hope you enjoyed it!

Next week will be the eighth and final round of the Tuesday Night Marathon. With a score of 5-2, I’m out of contention for first place, but (especially if I can win my last game) I feel as if I’ve accomplished what I wanted to in this tournament — shaking off the rust and getting back into the competitive arena after two years away.

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A New Sheriff Comes to Town!

by admin on July 9, 2018

Last Friday I got a really surprising message on Facebook. “Hi Dana!” it started. “I hope that everything is going well. I just moved to Santa Cruz…” and it was signed Steven Zierk.

My regular readers will remember that I just wrote a blog post about Steven a couple of weeks ago (The GM Factory Continues). Amazingly, when I wrote that post I had no idea that he was moving to town; in fact, I had not heard from him for several years.

Last night we met at a Starbucks and I caught up on his saga. He graduated from MIT in 2015, and especially for the last year he has been working hard on his chess, playing in about “8 to 10” norm-qualifying tournaments, including the one in North Carolina where he finally got his third and final GM norm. He has already satisfied the rating requirement, so it should be just a formality for him to get his GM title. In fact, the FIDE executive committee has a meeting this month and it should become official then.

Steven is thinking about going to graduate school in mathematics, but for now he wants to see how far his chess career takes him. For any of my readers in the Bay Area who might be looking for a grandmaster coach, he is definitely looking for coaching and teaching opportunities.

It’s funny how a GM title changes things. Even though Steven is one of the friendliest people around, I still wasn’t sure whether he would actually agree to play a few games of speed chess. I was afraid that maybe my offbeat and stupid opening repertoire would offend his sensibilities or mess up his much more important opening preparation. But he said, “Sure.” And even though I did play a few wretched games, we also had some good ones. Here is my favorite.

Black to move.

FEN:2kr3r/ppbn1ppp/2p5/4P2q/3P2bP/1B1Q1NB1/PPP3P1/R5KR b – – 0 1

I’m White, and this position came from a King’s Gambit. Steven’s approach was very instructive: not only did he return the gambit pawn, he gave up a second pawn in order to put more pressure on my position. And indeed, he has a lot of compensation: my center pawns at d4 and e5 are vulnerable and static; my king is exposed on g1, and my knight on f3 is also a target. It is wonderful to see how Steven weaves all of these ingredients together into a combination. A combination that is perhaps not completely sound, but definitely good enough for speed chess.

1. … Nc5!

I was more concerned about 1. … f6, but I think that Steven probably decided against it because of 2. ef Bxg3 3. fg with murky complications, where both sides have chances. Instead he plays a variation that keeps the initiative firmly in Black’s hands. As for me, I felt like the “NN” in all of those “Morphy vs. NN” or “Alekhine vs. NN” games. While Steven was looking 8 moves ahead, I was looking one move ahead.

2. Qe3 …

“So what’s the big deal?” I thought. “Black takes on b3 and then I get an open a-file. Seems all right to me.”

One of my big weaknesses in speed chess is that I don’t consider all of the possible in-between moves. Steven hits me with a couple of them here.

2. … Bxf3

Weakening the foundations of White’s pawn structure in the center.

3. gf …

I still felt okay. I had no idea what was going to happen. 3. dc might be a possible bail-out move, but Steven said he felt very good about Black’s position there. White’s pawn on e5 will come under intense pressure.

3. … Rxd4!?

Wonderfully played. You and I see a logjam on the a7-g1 diagonal. Steven sees a dynamic opportunity. He’s going to clear everything out of the way and skewer my king and queen. There’s only one slight flaw with this idea, but it’s a beautiful idea.

For a tournament game, this rook sacrifice is perhaps just a bit too romantic. (That’s why I’ve given it a question mark to go with the exclamation mark.) Black has a simpler way to get a clear advantage with 3. … Nxb3 4. ab Qg6 5. Kg2 (now if 5. Qf2? Rxd4! is stronger than in the game) 5. … Qxc2+ 6. Qf2 Qxf2+ 7. Bxf2 Bg6. Material is back to even, but White has all the weaknesses and Black has all the pressure.

However, in a 5-minute game, Steven’s romantic approach is easily good enough.

4. Qxd4 Nxb3 5. ab …

Worse is 5. Qg4+ Qxg4 6. fg Nxa1 7. c3, as Black has no problem extricating his knight after 7. … Rd8.

5. … Bb6 6. Qxb6 ab 7. Ra8+ …

This is the downside to Black’s plan. He has allowed White unnecessary counterplay. One skewer after another!

7. … Kd7 8. Rxh8 Qxf3

Position after 8. … Qxf3. White to play.

FEN:7R/1p1k1ppp/1pp5/4P3/7P/1P3qB1/1PP5/6KR w – – 0 8

This is an interesting position. I suspect that Steven probably got here in his analysis before move 1 and stopped, figuring that Black was winning or at least had all the practical chances. In fact, I felt the same way. My pieces are scattered and uncoordinated, and the queenside pawns look like easy pickings for his queen.

The computer is considerably more optimistic for White, and gives White a slight advantage all the way to the end of the game. And there is some reason for this: if White can avoid hanging a piece due to a fork (easy for a computer, harder for a human) and if White can manage to coordinate his rooks, then the very significant material advantage of 2R + B against a queen will start to exert an influence. Black may want to look for ways to escape with a perpetual check.

A line that exemplifies both of these themes is 9. Kh2, when 9. … Qe2+ 10. Kh3 Qxc2? is not so good after 11. Rf1! Now the rooks are starting to work together; if 11. … Ke7 12. Rb8 black is not able to hold the second rank. Instead, according to Rybka, after 9. Kh2 Black should head for an immediate draw with 9. … f5! 10. ef Qe2+ 11. Kh3 Qe6+.

Instead, the game continued 9. Bf2 Qg4+ 10. Kf1 Qd1+ 11. Kg2 Qxc2 12. Re1 c5 13. Rb8 Qxb3 14. Rxb7+ Ke6 and White lost on time.

In the final position I had time to figure out that Black is threatening both … Qd5+ and … Qxb2 but I did not have time to figure out what to do about it. In fact, 15. Kg1! defends both threats, because 15. … Qxb2 would be met by 16. Bxc5 and there are no forks. In fact, believe it or not, Rybka still thinks White has a half-pawn advantage in the final position, although I would be happy with a draw.

I did almost manage to win one speed game (out of 12, at least), a Scotch Game where I was Black and managed to get to an exchange-up endgame that we both agreed was a complete win for me. However, I couldn’t handle the time scramble. At one point I had 30 seconds left to Steven’s 10, and yet I lost on time a couple moves later. Maybe I missed the button on my clock? More likely I just had a brain freeze.

Anyway, I had a fun time and I would like to welcome Santa Cruz’s new grandmaster-in-residence.


For any readers who are wondering about USCF National Master Evan Sandberg’s quest to become a millionaire at the World Series of Poker, he’s still doing pretty well. He had a terrific day yesterday, amassing a stack of 1,106,000 chips, which put him in 142nd place (out of 310 remaining). Unfortunately, such is the nature of the World Series of Poker that you can have the best day of your life and still barely keep up with the opposition. He was just barely above the median of the remaining players, and the chip leaders had more than 5 million in their stacks. Nevertheless, I’ll keep you posted on his progress.

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A Million and Two Reasons

July 7, 2018

For poker players, this is one of the biggest weeks of the year — the week of the “Main Event” at the World Series of Poker. And even though there are a million reasons why I don’t play poker, I thought it would be fun to catch up on some former (and current) chess players […]

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Missed Opportunities

July 4, 2018

Round six of the Tuesday Night Marathon at the Mechanics Institute was another hard-fought draw. I really don’t mind draws, even against lower-rated players, as long as good chess was played on both sides. In this game, my opponent made a really strange mistake on move 7 and I thought that the game might just […]

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Simple Chess

June 27, 2018

Last night at the Tuesday Night Marathon I played a thrilling draw against Greg Sarafian, a high class-A player. As you’ll see, this was a game where all three results were possible. In the immediate aftermath I was very relieved because I felt I had escaped from very serious trouble. But with a calmer look […]

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Winning (Again) with the Mike Splane Question

June 20, 2018

Last night I played my fourth round in the Tuesday Night Marathon at the Mechanics Institute Chess Club in San Francisco. I won a nice game against a very friendly class-A player named Jonathan Mendoza. That brought my score to 3-1, with two wins, a draw and a half-point bye. To me the most interesting […]

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The GM Factory Continues

June 17, 2018

The San Francisco Bay area has been an unbelievable incubator for chess talent since the year 2000 or so, thanks to the hard work by organizers such as Judit Sztaray of Bay Area Chess and teachers like Michael Aigner. One player after another has progressed through the ranks from class players all the way up […]

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Bestsellers and Goodsellers: One-Month Retrospective

June 15, 2018

I think it’s likely that every author who has ever published a book has wondered if it has what it takes to be a bestseller. There was even a day or two last month when I thought The Book of Why might have a serious chance to make a bestseller list. But it didn’t, and […]

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My One Thousandth Post

June 3, 2018

Today my blog reaches a milestone — its one thousandth post! I started “dana blogs chess” a little over ten years ago, in October 2007, so that means I have averaged slightly less than a hundred posts per year. I wondered whether I should compose something special for the occasion, as I did when I […]

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First In-Depth Review of “The Book of Why”

June 2, 2018

Yesterday the first serious, in-depth review of The Book of Why appeared in The New York Times. This is the news that I have been holding my breath for over the last two weeks. I can see that the book is selling well. I can see that it has good customer reviews on Amazon.com. But […]

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