Showing posts with label Buffalo Grove. Show all posts
Showing posts with label Buffalo Grove. Show all posts

Sunday, October 28, 2012

Basic Lessons in the Italian Game: 3rd Board v. BG

It seems like I have written this post several times, but of course, there are always new players who haven't seen it.  1.e4 e5 2.Nf3 Nc6 3.Bc4 is generally known as the Italian Game (although some consider the Italian Game to start only when Black replies 3...Bc5).  It is a very sound means of development that can lead to a a number of very exciting variations like the Evans Gambit and the Fried Liver Attack as well as a couple of more sedate continuations.  One of the weakest replies is 3...h6?! which I have seen played many times in my years of coaching high school chess.


The main problem with this move is that it doesn't develop a piece and lack of development can be fatal in many of the sharp lines in this opening.  In addition to being a non-developing move, it is a non-developing move that blocks a threat that doesn't need to be blocked.  The reason 3...h6 gets played is that Black is afraid of 3...Nf6 4.Ng5, however after the mainline moves 4...d5 5.exd5 Na5!?, Black's position is considered perfectly playable.


Black has sacrificed a pawn, but he has very active piece play as compensation.

Of course, sacrificing a pawn so early in the game as Black is not to everyone's taste.  (It's not to mine!)  Hence, Black's other main move 3...Bc5.  Note that 4.Ng5?? loses to 4...Qxg5.  If White delays the knight sortie with 4.0-0 Nf6 5.Ng5, Black simply replies 5...0-0.


Now Black is ahead in development.  So what should White do if Black wastes a move with 3...h6?  The best way to take advantage of a lead in development is to open the position up and attack. 4.d4 exd4 5.0-0 Bc5 6.c3!? looks like fun to me.


On 3rd Board in the Buffalo Grove match, White played the perfectly reasonable 4.c3 d6 5.d4 and Black played 5...Be7.  White replied with the disappointing 6.d5?!


This move is disappointing for both tactical and strategic reasons.  The tactical reason is that White could have won the f7 pawn with either 6.Qb3 or 6.dxe5 dxe5 7.Qb3.  The strategic problem with the move is that by closing the center White will have a much harder time exploiting his lead in development.

The other question to ask is "What's the rush?"  Even if closing the center is desirable, there is no need to do it now because Black sure isn't going to want to prevent it by exchanging pawns.  For example, after 6.0-0 exd4 7.cxd4, White has an absolutely lovely position with dominant central pawns and c3 available for his knight.


There was no reason for White to release the tension so soon.  By maintaining his lead in development, he could have kept Black guessing about his intentions.


Saturday, October 27, 2012

Friday, October 26, 2012

Some Games from the Buffalo Grove Match

Prospect Edges Buffalo Grove

In its tightest match of the year, Prospect beat Buffalo Grove 35.5-32.5.  As in the Schaumburg match, the lower boards saved the day.  Playing in his first match since the soccer season ended, Robert Moskwa won on 1st Board, but Buffalo Grove won on 2nd, 3rd and 4th.  Prospect squeaked by with wins on 5th, 6th, and 7th, and a draw on 8th.

There were many good lessons to be learned. 

Lesson 1:  Gambit Play

I have no objection to players trying out sharp gambits as long as they are prepared for the fact that they may find themselves behind by a lot of material if they don't find the right continuation. On 3rd Board, Prospect's Marc Graff decided to venture the Traxler Gambit against Buffalo Grove's Anna Shabayev.  The Traxler arises after 1.e4 e5 2.Nf3 Nc5 3.Bc4 Nf6 4.Ng5 Bc5!? and is considered reasonably sound but it is very complex and since Black may be called upon to sacrifice as much as a rook, he better find the best moves over the board.
 

5.Bxf7+!?, where White is content to grab a pawn and misplace Black's king, is generally considered to be the strongest reply to the Traxler, but Anna played 5.Nxf7 which is considered to give Black the better chances.  One of the mistakes that players sometimes make when trying to learn a new opening is concentrating too much on the moves for the other side that the books say are strongest.  Since players often don't play the strongest moves, it is important to know why the weaker moves are considered the weaker moves and how to take advantage of them.  Marc responded correctly with 5...Bxf2+, but after 6.Kxf2 Nxe4+ 7.Kg1, he slipped up with 7...Qf6?


7...Qf6? threatens mate on f2, but the problem is that this is the only thing that the move does.  When you've sacrificed a bishop and you've got a rook hanging, you need to find moves that multitask.  In this case 7...Qh4 is the strongest move.  Besides threatening mate, it protects the Black knight on e4.   After 8.g3 Nxg3 9.Nxh8, Black's strongest is 9...Nd4!


Positions like this are why the Traxler is seen more often in correspondence chess than it is in over-the-board play.  After 7...Qf6?, White played 8.Qe2 and Black was unable to generate any more threats and simply found himself down two pieces.  He eventually managed to get one of them back and fought on gamely for 63 moves but in the end the material he sacrificed in the opening was the difference.

As painful as this loss was for Black, it is no reason to give up on the Traxler.   With more preparation and more practice games, it can still be a dangerous weapon.

Lesson 2:  Sometimes Threatening a Queen with a Knight is Not So Scary.  


It is easy to fall into the trap of thinking that your threat dictates your opponent's reply only to be surprised to find that he can create threats that out weigh yours.  Prospect's 5th and 8th Boards learned that the hard way.

On 8th Board, Prospect's Brad Thomson thought he had given Buffalo Grove's Cory Moy something to worry about by attacking his queen with 21.Ne5 only to find his own queen under attack after 21...Bxb5 and it was White who a piece.



On 5th Board, Mike Morikado forked White's king and rook with 26...Nd2, but soon found that he was the one losing material after 27.Qd3+ Kh8 28.Rc4!

No matter how threatening your move may seem, unless it's a check, there is always a possibility that your opponent can ignore it because he has counter threats of his own that are stronger.  Make sure you have considered all your opponents checks and captures.

Lesson 3: A Neat Tactic

My favorite move of the match came on 5th Board where Mike Morikado, who despite losing a knight, managed to parlay his extra pawns into the following winning position.  Unfortunately, he only had a minute left on his clock.


According to the computer, Black's strongest moves are 59...a3 and 59...e3, but both moves leave White with two pieces on the board which means two pieces that Black has to watch, increasing the possibility of an oversight.  59...Rc1+!! cleans up the position beautifully however.  If 60.Nxc1 dxc1=Q+ and the queen will have no trouble escorting home the a-pawn or e-pawn or both.  After 60.Kg2 d1=Q 61.Rxd1 Rxd1, Black had no trouble forcing White to give up his knight for the a-pawn after which Black simply brought his king up to wipe out the rest of White's pawns.

Sunday, February 12, 2012

MSL at State: 1st Boards Shine

The Mid Suburban League acquitted itself well at the IHSA State Tournament this weekend led by a resurgent Barrington team.  After a disappointing 3-5, regular season, Barrington went 5-2 to finish 14th in the state led by 3rd Board Vyas Alwar who went 5.5-1.5 to earn the 10th place medal for that board.  Also finishing with five points were Prospect at 16th, Buffalo Grove at 18th, and Fremd at 23rd.  Close behind was Rolling Meadows at 29th with 4.5-2.5.  Hoffman Estates finished 45th with 4-3.  Conant and Palatine went 4-3 to finish 83rd and 85th and Schaumburg scored 2.5-4.5.

Placing five teams in the top thirty was the best that the MSL has ever achieved, but the real highlight was Prospect's Robert Moskwa and Buffalo Grove's Matt Wilber taking the 1st and 2nd medals on 1st Board with perfect 7-0 scores.  Robert got the nod on tie-breaks because his opponents scored a combined 27-22 in the tournament while Matt's went 24-25.   Robert also learned that he has been invited to the Denker Qualifying Tournament at the end of March where he will play in a round robin against Sam Schmakel, Adarsh Jayakumar, Aakash Meduri, and Kent Cen.

Wednesday, December 14, 2011

Battle of the Titans

Coach Neil Mott of Rolling Meadows reminded me that I have been somewhat remiss in updating my blog and he particularly expressed an interest in seeing the showdown between the two top players in the conference, Buffalo Grove's Matt Wilber and Prospect's Robert Moskwa.  I wish it were a more exciting game than it was.  Robert achieved a solid position with the Black pieces out of the opening but over optimistically snatched what only looked like a free pawn on his 17th move.  He quickly found himself down a pawn in a cramped position which is the last thing you want against a player of Matt's abilities.  Matt kept tight control of the position and ground out the win.

Tuesday, February 1, 2011

Moskwa v. Wilber

A week or two before Conference, Robert asked me whether I thought he should play Bird's Opening (1. f4) against Matt Wilber in the tournament. My natural reaction was that he should stick to the openings that he is comfortable with rather than choosing his opening based on the strength of his opponent. However, he beat me with it in practice so I certainly wasn't inclined to press the point.

In their regular season game, Matt had played very quietly and patiently until Robert grew frustrated and made a mistake, however, in this game Matt played an impulsive knight sacrifice on his 15th move. He may have felt he had to play more aggressively for a win because Buffalo Grove was missing several of its regular players on the lower boards, however Robert invested the time necessary to find the strongest response leaving Matt down a knight with little to show for it.

After gaining a material advantage, Robert played a bit too conservatively allowing Matt to generate some attacking chances, but Robert defended carefully and brought home the point.

Monday, January 31, 2011

Prospect v. Buffalo Grove

In the 4th round of MSL, tournament, things looked bleak for Prospect as the first four games to finish, 2nd, 6th, 7th, and 8th went Buffalo Grove's way. The games on 1st, 4th, and 5th looked promising, but Prospect's Caleb Royce was down a knight for a pawn on 3rd board in a position that didn't seem to offer much hope for counter-play. If Caleb lost, there would be a four-way tie at for first at 3-1. If Caleb could draw and the other three games went Prospect's way, the match would be drawn at 34-34 and Prospect would win the tournament with 3 1/2-1/2.

Caleb isn't the type of player who is happy defending an inferior position (not that anyone really is), but he hung tough and displayed unusual patience. Although down on material, his pawn structure was solid and there were no obvious weaknesses in his position. Buffalo Grove's Mike Diamond was unable to come up with a plan to convert his material advantage and Caleb managed to create a passed pawn. Eventually, Mike was forced to give up his extra knight. Although the game could still have gone either way, Mike was in time trouble and his king was exposed, which proved his undoing.



Another nail-biter was Nick Martin’s game against Karen Wilber. The players had castled on opposite sides of the board and Nick was attacking Karen’s king. I wished at the time that Caleb and Nick could trade positions as Caleb’s attacking instincts are stronger while Nick is the more patient defender. Nick missed several chances to deliver the coup de grace, but he kept the pressure on until the defensive task proved too great.



With Caleb, Nick, and Mike Monsen on 5th board winning, the match game down to Robert Moskwa's game against the strongest player in the conference and one of the strongest high school player's in the state, Buffalo Grove's Matt Wilber. Robert was up a piece but there was still a lot of play in the position. Eventually, Robert was able to quell Matt's counter-play to bring home the game as well as the match and the tournament.

Wednesday, November 24, 2010

Some Endgame Lessons

Prospect split with the Groves last week, losing a tough match to undefeated Buffalo Grove 42.5-25.5 on Tuesday and beating Elk Grove on Thursday 56.5-11.5. With some better endgame play, the Buffalo Grove match could have been much closer.

Endgame Lesson #1: King and Rook v. King and Pawn


The following position (more or less) occurred on 4th Board with Nick Martin playing white against Buffalo Grove's Matt Wiewel.

This should be a fairly easy win for White. Black will be compelled to give up his for White's d-pawn and White's king and rook should be able to round up the remaining Black pawns easily. However, it is possible to go wrong, so it is worthwhile considering an even more basic position.



The only way for White to win here is with 1.Rb5 cutting off the Black king from supporting the pawn. 1...f3 2.Rb3 f2 3.Rf3 f1=Q 4.Rxf1 and hopefully White knows how to mate with a king and rook. It is vital that White cut off the Black king immediately because the game is drawn if Black's king and pawn are another square farther down the board.


Now 1.Rb4 doesn't do the trick. After 1...f2, White is forced to play 2.Rb1 Kb4 3. Rf1 Kb3 and the game is drawn because White will be forced to trade his rook for the Black pawn.

Returning to the position from Martin-Wiewel, the easiest way for White to avoid a position where his rook might have trouble coping with the Black king and pawns is to get the White king into the action. Unfortunately, White tried to win the game without his king. 1.Ke8?! Heading the wrong direction. After 1.Ke6 Ra8 2.d8=Q Rxd8 3.Rxd8, the White king would have been two squares closer to the action than it was in the game after 1...Ra8+ 2.d8=Q Rxd8+ 3. Kxd8 Kf6. Still if White gets his king moving the win should be fairly easy. 4.Rf2?! Still on the wrong track. 4...Kf5 5.h3??. This was White's last chance, he still could have won with 5.Ke7 g4 6. Kd6 f3 7.Kd5 Kf4 8. Kd4 g3 9.hxg3+ Kxg3 10.Kf3. Now the win is no longer there after 5...g4 6.hxg4 Kxg4


The White king is too far away. The rook is a wonderfully powerful piece, but it cannot handle the combined king and pawn by itself. If it cannot cut off the king before the pawn has advanced too far, the rook must have the king's help to cope.

Endgame Lesson #2: Defending Rook and Pawns v. Rook and Pawns.

There is an old aphorism in chess that goes "All rook endings are drawn." This is obviously not true, but rook endings often offer unexpected drawing possibilities. Before considering the ending that arose between Michael Monsen and Matt Wiewel on 5th Board in the Buffalo Grove match, let's start with another basic position.


This position is drawn as long as White toggles his king between g2 and h2 because the Black rook is stuck in front of its own pawn. If White plays 1.Kg3, Black wins with 1...Rg1+ 2.Kf2 a1=Q. If White plays 1.Kf2, Black wins with 1...Rh2 2.Rxa2 Rh2+ 3.Kg3 Rxa2. However, after 1.Kh2, the Black rook cannot escape without dropping the pawn. If Black tries to bring his king over to help, the White rook will check it away.


Black has an extra pawn, but as in the previous diagram, his rook is defending the pawn from in front and the Black king is in no position to relieve the rook of its defensive chores. White panicked with 43.Rd3?? and was helpless against Black's extra pawn after the exchange of rooks . However, if White could have gotten his rook behind Black's passed pawn, I think he should have had pretty good drawing chances. 43. Rd5! looks very solid. After 45...a4 Ra5, it is hard to see how Black is going to improve his position as his king is tied to the defense of the f-pawn and the rook is tied to the a-pawn. If Black should try to bring his king over to support the a-pawn, White can bring his king over to defend and leave the rook to defend pawns on the other side.

Friday, December 11, 2009

Prospect Upsets Buffalo Grove's by Virtue of Correct Priorities

Prospect dealt Buffalo Grove its second defeat of the season yesterday after several BG players including top board Matt Wilber inexplicably decided to compete for the school's math team in Libertyville rather than its chess team in Mount Prospect. Prospect's mathletes were not forced to make such a choice as its math competition was just a couple of miles away at Hersey, although I am confident that they would have made the right choice had they been forced to do so.

1st Board: The Sicilian Dragon

As I pointed out last week, players usually have to balance the need to thwart their opponent's plans with their desire to pursue their own. Sometimes, however, when the players castle on opposite sides of the board and race to attack their opponent's king, neither side can afford the time for defensive moves. Such games often end with one of the players being checkmated in spectacular fashion. Few openings lead to such games as frequently as the Sicilian Dragon that BG's Andrey Puzanov played against Prospect's Robert Moskwa on 1st Board.

I have always loved the Dragon, and though I no longer play it in tournaments, I still resort to it regularly when playing on the internet. When White plays the Yugoslav Attack, as Robert did, Black needs to remember a couple points: (1) If both sides advance their pawns, White has the advantage so Black needs to attack with his pieces, and (2) Black must be prepared to sacrifice the exchange with ...Rxc3 in order to create weaknesses that his pieces can exploit. Unfortunately, Andrey's pawn storm proved too slow.



2nd Board: When to Agree to a Draw

Most high school players never resign no matter how hopeless their position. On one hand, I can appreciate the logic. Even if there is no rational expectation of winning, there is nothing to lose by playing the game out on the outside chance that an opponent will blunder and allow a stalemate.

On the other hand, there are situations in which playing a game out is a mistake. Sometimes, a position is so evenly balanced that neither player can reasonably expect to create winning chances without taking unnecessary risks. In such cases, the reasonable course is to agree a draw rather than giving one’s opponent the opportunity to win. On 2nd Board, Prospect’s Mike Zwolenik blundered a pawn in the opening but got it back when BG’s Ryan McGonagle missed a tactic in the middle game. In the resulting ending, both players had very solid positions that were evenly balanced. An agreed draw would have been a very reasonable outcome. Instead, Ryan tried to create imbalances which gave Mike the chance to win.