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• Copyright 1991,1996, 1997, 1998 John Richard Coffey.
• Please use the links below to center the problems, and to advance to the next diagram.
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0       [Next]	White: A rated class A player. Black: A rated Master. Where: A tournament in Salt Lake City.
1       [Next]	The Sicillian Defense as we have already seen.
2       [Next]	Develops and prepares d4.
3       [Next]	Black would like to be able to play Nf6 without e5 being too much of a nuisance.
4       [Next]	This unusual line prepares to go into a gambit.
5       [Next]	Black Develops.
6       [Next]	White Develops.
7       [Next]	Attacks the pawn that can't be defended by Nc3.
8       [Next]	This sets a trap ...
9       [Next]	... that Black falls for by taking the pawn.
10       [Next]	Now the knight on c6 can't move because then Qa4+ would fork the king and the knight on e4.
11       [Next]	Since he is going to lose the knight anyway, the master decides to take a pawn.
12       [Next]	White captures the knight
13       [Next]	He has to move this knight.
14       [Next]	Now that White is winning, he wants to trade as many pieces as possible to simplify the position.  Doubling the pawns also doesn't hurt.
15       [Next]	Recaptures.
16       [Next]	White pursues a goal of forcing pieces to trade off.
17       [Next]	Blocks the check.
18       [Next]	Guards the bishop and prepares to trade off both the bishop and the queen.
19       [Next]	Black is under no obligation to trade pieces, so he makes an opening for his bishop.
20       [Next]	White doesn't have to be in a hurry to trade pieces.  Instead he attacks a pawn while developing.  This will force Black to defend the pawn.
21       [Next]	Black defends the pawn while developing his rook.
22       [Next]	This knight move sets a very subtle trap .....
23       [Next]	... that Black falls for.
24       [Next]	Now the exchanges start.
25       [Next]	Recaptures.
26       [Next]	With queens off the board White should win.
27       [Next]	Recaptures.
28       [Next]	And now the trap becomes apparent.  White threatens both the fork Nb6+ and to win the pawn on e5.
29       [Next]	This stops the fork.
30       [Next]	White grabs his booty.
31       [Next]	Develops and attacks the knight.
32       [Next]	White goes wrong here.  Much better is Nf3.
33       [Next]	Now the master fights back!  White can't take the pawn because his knight would drop.
34       [Next]	The bishop must retreat.
35       [Next]	This move puts White in a real bind.  Black threatens to win the bishop with f4 and/or win the knight on e5 as well.
36       [Next]	But White fights back with a counter threat of d7+.
37       [Next]	Captures the pawn.
38       [Next]	Threatens Nxd6+ forking the king and rook.
39       [Next]	Prevents the fork.
40       [Next]	Captures the pawn with check.
41       [Next]	Black might like to win the knight and bishop for a rook.   Now White merely needs to play Rad1 and he has a won game.  He is not worried about f4 because he can play Nf7+ winning the rook.
42       [Next]	But instead White makes a major blunder by capturing this pawn.
43       [Next]	This rook move pins the knight to the king and there is no good way to defend the knight.
44       [Next]	White thinks that if he can get both his rooks active that he might still have winning chances.
45       [Next]	Gets out of check and attack the knight.
46       [Next]	Here comes the other rook.
47       [Next]	There goes the knight.
48       [Next]	White hopes that if he can penetrate Black's position with his rooks that he can get some advantage.
49       [Next]	Check.  Material is even.
50       [Next]	As we are nearing the endgame, White would rather have the king in the center of the board.
51       [Next]	Black fights back by attacking a pawn on the 7th rank.   Just playing b3 will not work because the pawn on c3 will drop.
52       [Next]	White is hoping for Rxd6, Bxd6 where he will have an advantage because of his rook on the 7th rank and the relative weakness of the Black pawns.
53       [Next]	But Black defends accurately.  Now Rxb6 Rxb6 is bad for White because of the weakness of his b2 pawn.  Also bad is Rxf6 Bxf6 where he has both a pawn and a rook hanging.
54       [Next]	Unfortunately the rook must retreat to a more defensive position.
55       [Next]	Now Black forces a trade of that annoying rook on the 7th rank.  The game is now even but eventually the strong expert was able to win in the endgame when White fell into time trouble.

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