
The tournament
The tournament is an eleven-round competition played at 40 moves in 90 minutes followed by 30 minutes for the rest of the game and a 30-second increment as of move one. The first round is on May 15 with rounds every day until round eleven on May 24, including a double-round on May 17. Play typically starts at 5PM.
Although there are tiebreak scoring systems in place, starting with direct encounter, Buchholz, and more, in the event of a draw at the top, the top four qualifiers will be decided by a rapid tiebreak match or tournament, depending on the number, starting at 15 minutes plus a ten-second increment.
The prizes are US$5000 for first, $3400 for second, $2400 for third with prizes all the way to 20th place. Note that as FIDE events of this caliber, all norms scored count double, thus a player who scores a norm at the end of the competition will be considered to have earned two norms, not one.
Round three
Sunday was a big day in more ways than one. In an already intense and important competition such as the American Continental, it was the only day with two rounds, meaning a long and tiresome day of battle. There was still no point in talking about leaders, since after two rounds they numbered more than made sense to mention, but by the day’s end one lone warrior would stand apart.
The round started at a bright and early 9:30 AM, and while most players were still settling in, and even I was still doing the rounds taking some pictures, a message came in over Skype asking me if there was a mistake in the transmission.
Mistake? Why? The broadcast says top-seed Granda Zuñiga lost in 16 moves. After some checking, and not a little consternation by other players hearing the news and arbiters, it was confirmed. What had happened?

IM Alan Pichot, the reigning World Youth under-16 champion, could not have wished for more:
beating the top-seed in record time. (Click on image for high-res version)
IM Alan Pichot - GM Julio Granda Zuñiga (annotated by IM Luis Rodi)
1.e4 | 1,186,706 | 54% | 2421 | --- |
1.d4 | 960,560 | 55% | 2434 | --- |
1.Nf3 | 286,913 | 56% | 2440 | --- |
1.c4 | 185,115 | 56% | 2442 | --- |
1.g3 | 19,902 | 56% | 2427 | --- |
1.b3 | 14,609 | 54% | 2428 | --- |
1.f4 | 5,959 | 48% | 2376 | --- |
1.Nc3 | 3,919 | 50% | 2383 | --- |
1.b4 | 1,791 | 48% | 2379 | --- |
1.a3 | 1,252 | 54% | 2406 | --- |
1.e3 | 1,081 | 49% | 2409 | --- |
1.d3 | 969 | 50% | 2378 | --- |
1.g4 | 670 | 46% | 2361 | --- |
1.h4 | 466 | 54% | 2382 | --- |
1.c3 | 439 | 51% | 2425 | --- |
1.h3 | 289 | 56% | 2420 | --- |
1.a4 | 118 | 60% | 2461 | --- |
1.f3 | 100 | 47% | 2427 | --- |
1.Nh3 | 93 | 66% | 2506 | --- |
1.Na3 | 47 | 62% | 2476 | --- |
Please, wait...
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Nd7 10.d4 Bf6 10...Nb6 11.Nbd2 Bf6 12.Nf1 Re8 13.Ng3 g6 14.Bh6 Bb7 11.a4 Bb7 12.d5 Ne7 13.axb5 axb5 14.Rxa8 Bxa8 14...Qxa8 15.Na3 Ba6 15.Na3 Qb8 16.Nxb5 16.Nxb5 Qxb5 17.Ba4! Qb8 18.Bxd7 1–0
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Pichot,A | 2504 | Granda Zuñiga,J | 2650 | 1–0 | 2015 | C92 | Continental | 3 |
Please, wait...
IM Luis Rodi explains, "Black loses a pawn since Qxb5 is answered by Ba4 and Bxd7. The database contains numerous games with this exact position and disaster, including.... Hou Yifan-Granda Zuñiga (Merida, 2008), in which the Peruvian resigned in the exact same position!
On the stage, the top-seed was stunned after 16.Nxb5 and stared at the board for nearly ten minutes. He finally shook out of it and with a wry laugh resigned. Other top players have also fallen victim to this, such as Smyslov in Moscow, 1950, who resigned one move later against Boleslavsky. Tseschkovsky played 16...Nc5, the most practcal reply, and actualy managed to wring out a draw from Savon in 1975.
What can one say about what happened? Julio's enormous talent is widely recognized, but it can also be his downfall as was the case here. He often seeks to play lines that go off the beaten path, but lines in which he himself is not necessarily well versed. That is apparently what happened here as the Peruvian played a little played variation, choosing logical moves that led to a position the Peruvian simply forgot he had played once before."

Brazilian IM Evandro Barbosa (2438) also got a result drawing GM Ruben Felgaer

American GMs Alexander Shabalov and Aleksander Lenderman drew their game in round three

Peruvian Jorge Cori had a perfect 3.0/3 start. (Click on image for high-res version)
Lunch and games
After round three was over, Gregory Kaidanov and I decided to walk back to the center to grab some lunch during the multihour gap. The day was still incredibly pleasant and it was only a couple of kilometers away.

On the way we saw a beautiful fountain and could not pass up the chance
We found a nice place, had a relaxing lunch and decided to stroll a bit. After a few blocks in a direction we had not really explored yet, we saw a huge congregation of people in front of a building that took us by surprise since until now, the streets had been quite empty on this Sunday afternoon.

As we approached we were astonished to see it was a massive Gamer’s Convention

Much like a Comic Convention or the like, gamers come to play and compete in video and computer
games, and many will go to great lengths to outdo the others as they dress in their favorite characters

The perfect excuse to enjoy Halloween more than once a year! (Click on image for high-res version)

One thing was clear, the kids were having a ball

Still, not all were interested in video games, and this motley crew set up a board for their own entertainment

They were hardly the first or last we would see setting up chess games every which where
Round four
This was the biggie and was possibly an even larger surprise than the previous round. No, none of the GMs were going to resign in fewer moves than Granda's disaster, but by the end of the round, only one player would still had a perfect 4.0/4 score, and it was who that might astonish.
When we arrived in the playing hall, the tables had all been set up, and one could see the arbiters all in deep concentration on one of the computer screens before the round started. They never said a word. What were they up to?

Football! Indeed, two of the country's most important teams were duking it out on the turf,
and since the arbiters are all South American, where football is as much sport as religion, how
could they not be following it until the very last minute? (Click on image for high-res version)

The ever-ebullient WCM Lorena Garcia from Venezuela

FM Roberto Andrade

The definition of Power Play

Brazilian José Pereira Braga is one of many amateurs enjoying the event

The masters
On the top stage, the defining battle took place between IM Yago Santiago and GM Sandro Mareco
IM Yago Santiago - GM Sandro Mareco (annotated by IM Luis Rodi)
Replay and check the LiveBook here |
Please, wait...
1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.a3 g6 5.g3 Bg7 6.Bg2 0-0 7.d3 h6 8.0-0 d6 9.Rb1 Be6 10.Nd2 Qd7 11.b4 Bh3 12.b5 Bxg2 13.Kxg2 Ne7N 13...Nd4 14.e3 Ne6= 14.a4 Nh7 15.Nf3 f5 16.Qb3 Kh8 17.Nd5 g5 18.Nxe7 Qxe7∞ 19.e3 Rf7 19...Rae8 20.c5!? dxc5 21.Bb2 Kg8 22.e4 fxe4 23.dxe4 Re8 23...g4!? 24.Nh4 Ng5 24.Rbd1 Nf8 25.h4 Bf6 25...Ne6!?= 26.Rd5!? 26.hxg5 hxg5 27.Rh1 26...Qe6 27.Qe3 gxh4!? 27...Ng6 28.hxg5 Nf4+ 29.gxf4 exf4 30.Qxc5 Qg4+ 31.Kh2 Qh5+ 32.Kg2 Bxb2 33.Qc4 Bg7= 28.Rxc5 28.Nxh4 c6∞ 28...Rg7?! 28...Ng6! 29.Bxe5 29.Nxh4 Bg5 29...Bxh4 30.Rxe5± 30.Qa3!? Be7 31.Nf5 Bxc5 32.Qxc5 Rh7 33.Qe3 29...hxg3 29...Nd7 30.Bxf6 Nxf6 31.Nxh4 Nxe4 32.Rf5 30.fxg3 30.Bxf6 Qxf6 31.fxg3 Qe6= 30...Nd7? 30...Bxe5 31.Rxe5 Qg4 32.Qb3+ Re6 33.Ng5 Rxg5 34.Rxf8+ Kxf8 35.Rxe6 Qe2+= 31.Nd4! Qb6 31...Qa2+ 32.Rc2+- 32.Bxf6 Nxf6 33.Nf5+- Rg6 34.Nxh6+ Kh7 35.Rh1 Rxe4 36.Qb3 Re2+ 37.Kf1 Re6 38.Nf5+ Kg8 39.a5? 39.Rc6‼ bxc6 39...Ne4 40.Rxb6 Nd2+ 41.Kg2 Nxb3 42.Rxb7+- 40.Qxe6+ Kf8 41.Rh8+ Ng8 42.Qe7# 39...Qxc5 40.Qxe6+ Kf8 41.Rh8+ Ng8 42.Qc8+ 42.Qxg6 Qxb5+ 43.Kg1 43.Kg2 Qb2+ 43...Qb1+ 44.Kg2 Qb2+ 45.Kf3 Qxh8= 42...Kf7 43.Rh7+ Kf6 44.Qd8+ Ke5 45.Qxc7+ Qxc7 46.Rxc7 Kxf5 47.Rxb7 Rxg3 48.Rxa7 Rb3 48...Nf6 49.b6 Rb5 49...Nf6 50.b7 Ne4 51.a6 Nc5 50.b7 Ke4? 50...Nf6 51.a6 Nd5 52.Ra8 52.Kg2 Nb4 53.Ra8 Nxa6= 52...Nc7! 53.b8Q 53.Rf8+ Ke4= 53...Rxb8 54.Rxb8 Nxa6 51.a6+- Kf3 52.Ke1 Ke3 53.Kd1 Kd3 54.Kc1 Ne7 55.Ra8 Nc6 56.Rc8 Nb4 57.Rd8+ Ke2 58.a7 Na2+ 59.Kc2 1–0 - Start an analysis engine:
- Try maximizing the board:
- Use the four cursor keys to replay the game. Make moves to analyse yourself.
- Press Ctrl-B to rotate the board.
- Drag the split bars between window panes.
- Download&Clip PGN/GIF/FEN/QR Codes. Share the game.
- Games viewed here will automatically be stored in your cloud clipboard (if you are logged in). Use the cloud clipboard also in ChessBase.
- Create an account to access the games cloud.
Santiago,Y | 2400 | Mareco,S | 2581 | 1–0 | 2015 | A26 | Continental | 4 |
Please, wait...

IM Yago Santiago the first to take the sole lead with 4.0/4

Venezulean GM Eduardo Iturrizaga is in the pack right behind with 3.5/4
Standings after four rounds
Click for complete standings
The top eight boards of the event can be followed live at both the official site and on Playchess.
All photos by Albert Silver