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Copyright 1991,1996, 1997, 1998 John Richard Coffey.
If you find any errors, then please let me know.- John.
Please use the links below to center the problems, find the solution, and to advance to the next problem.

5B0041 [solution]	_____	5B0042 [solution] [Next]
5B0043 [solution]	_____	5B0044 [solution] [Next]
5B0041 1. ... Nxe4 with a crushing attack. if 2. cxd4 then Nxg3+ winning the rook. If 2. Qxg4 then Nf2+. If 2. dxe4 then Rxe4+ 3. Be2 Rxe2+ 4. Kf1 Qd1+ 5. Qe1 Qxe1 mate	_____	5B0042 1. ... Re1+ 2. Kg2 (not 2. Kf2 Qe2 mate) 2. ... Qe2+ 3. Rf2 Qe4+ 4. Rf3 (4. Kh2 Qh1 mate) 4. ... Re2+ forces the king to move away from his rook. So then 5. ... Qf3
5B0043 Although Be3+ wins the knight, better is 1. ... Rg8+ 2. Kf2 (if 2. Kh1 Bg2+ 3. Kg1 Bxf3+ attacks the rook.) 2. ... Bg3+ 3. Kg1 Bf4+ 4. Kf2 Rg2+ 5. Kf1 Rd2+ wins the rook.	_____	5B0044 1. ... Be6+!! stops the pawn from queening. (Black missed this and lost.) 2. Kxe6 (no good is Kf8) Kxg7 and the f4 pawn queens on move 5. White can delay with cxd6 cxd6 but it doesn't matter
5B0045 [solution]	_____	5B0046 [solution] [Next]
5B0047 [solution]	_____	5B0048 [solution] [Next]
5B0045 The best way to win this is 1. ... Kf8!!! (amazing) where black threatens 2. ... Nxg3+! So if now 2. Qxa8+ Ke7 and not only is the queen threatened, but so is 3. ... Nxg3+ leading to mate on move 5.	_____	5B0046 1. ... Qe4 and the double threat of Qxg6 and Qxc2+ is deadly. 2. Rg1 Qxc2+ 3. Ka1 Qc3+ 4. Kb1 Qd3+ 5. Ka1 Qd4+ wins. If the King goes to the second rank then Rf2+ is deadly. If 5. Kc1 Qe3+ wins.
5B0047 1. ... h3+ 2. Rxh3 Qxf3 + 3. Kxf3 Rxh3 wins at least the exchange. If instead 2. Kxg3 Rdg8+ 3. Kf2 Rg2+ wins more than that. The alternative 3. Kf4 is suicidal after Rh4+ 4. Qg4 R4xg4+ 5. Kf5 Qe6 mate.	_____	5B0048 The trick to mating the white king is to bring him closer to the black pieces. So 1. ... Ne5+ 2. Kxc5 Qe3+ and now 3. Rd4 Ba3+ 4. Qxa3 Qxa3+ 5. Rb4 Qxb4 mate. If instead 3. Kd6 then Rd8+ mates next move.
5B0049 [solution]	_____	5B0050 [solution] [Next]
5B0051 [solution]	_____	5B0052 [solution] [Next]
5B0049 1. ... Qh3!! threatens the pawn on f3 and threates to play 2. ... Rg2. At any point white can delay things a move with Rg7?! but play might proceed 2. Rg1 Rxg1+ 3. Kxg1 Rg8+ 4. Kh1 and now both Ng3+ and Qxf3+ mate on move 5.	_____	5B0050 Black wins by move 5. by going after the pawn on a5. He plays Kb6 and then Ka5. White can't caputre the c6 pawn or play Kd6 because black plays e4! and wins. If white tries do defend the a5 pawn then e4! wins anyway.
5B0051 1. ... g5 and white can't avoid g4. If the knight on f3 moves then it is still g4 winning the knight on h3. If 2. Ne5 Qc7 and now if 3. Ng6 Rf6 4. Qh5 Kg7 and the knight has run out of squares and will drop on move 5.	_____	5B0052 The game continued 1. ... Rxf2 2. Qxf2 g3 3. Qf5+ Qxf5 4. exf5 gxh2 5. Kxf2 Rg4 forks the pawns and looks like a won endgame to me. If 3. Qe1 (to protect h4) gxh2 4. Kxh2 Rg4 5. Kh3 Rf4 is a little better for black
5B0053 [solution]	_____	5B0054 [solution] [Next]
5B0055 [solution]	_____	5B0056 [solution] [Next]
5B0053 1. ... Ne4+! and now if 2. Kh1? Qxh2+!!! 3. Kxh2 Rg2+ 4. Kh1 Ng3 mate. If instead 2. Kf1 Rg1+!!! and now 3. Bxg1 Nd2 mate, so instead 3. Kxg1 Qg5+! 4. Kf1 Qg2+ 5. Ke1 Qe2 mate. How many people can see this problem all the way through?	_____	5B0054 This is complicated. At some points white can sac material to delay mate but the result is the same. 1. ... Ne4+ and 2. Kh1 or Kf1 then Qh3 fores mate. 2. Kf1 Qh3 3. Ke1 Qxf3! 4. Qf2 or Bf2 Rg1+ 5. Bxg1 Nd3 mate! If U can C this, U master.
5B0055 1. ... Ne5+ 2. Kxe5 Nc6+ (the idea was just to get the pawn out of the so as to open lines to the king.) 3. Kd3 or Kd5 and then Qd8+ 4. Kc5 Qd4+ 5. Kb5 Qb4 mate. If 3. Kc4 then Be6+ forces mate. If 3. Kc3 then Qf6+ forces mate.	_____	5B0056 I don't recommend cxb4 although it might win but it requires black to retreat his king to stop the pawn on c4. Much more to the point is 1. ... h3! (or d3!) and the pawn will queen with check. If 2. Kg3 d3! 3. Kf3 h2 4. Kg2 d2 queens on move 5.
5B0057 [solution]	_____	5B0058 [solution] [Next]
5B0059 [solution]	_____	5B0060 [solution] [Next]
5B0057 If white can play g6 here he wins, so to prevent that play 1. ... hxg5 2. hxg5 g6! locks out the white king. If then 3. fxe6 fxe6 4. g3+ Kc5 (also interesting is Kc3) 5. Kf4 (He has run out of delaying moves) Kd5 wins the pawn and the game.	_____	5B0058 the position looks difficult for Black. But he can do well with 1. ... Rd2! and now the best line is 2. Qxd2 Rxd2 3. Bxb7 cxd5 and it looks like white has two pieces hanging, but he can play 4. Nf3! so now Rxe2 5. Bxa6 Ra2! and Black wins a pawn and has the better game.
5B0059 Although black can win with 1. Rf2+ Rxf2 2. Qxf2+ and 3. Qxf6 and 4. Rg8, Black might as well play for mate because of the exposure of the White king. There may be more than one way to get mate, but it probably has to start with 1. ... Qd2+ 2. Ke4 (Not 2. Kf3 Qe2+ 3. Kf4 Rg4 mate.) 2. ... Qe2+ 3. Kd4 Qd3+ 4. Ke5 Qe3+ 5. Kd6 Qc5 mate.	_____	5B0060 1. ... Nxe4 wins at least a pawn. If 2. Nxe4 Nxd4 gets the piece back. If then 3. c3 Nxe2+ etc. But this can get trickier than that. If 2. Nf5 Nxc3! and now 3. Bxb6 Nxd1 4. Nxg7 axb6 5. Rxd1 Kxg7 wins. If instead 3. bxc3 Qa5 4. Nxg7 white has won a pawn and can win another with 4. ... Qxc3 because the knight on g7 has nowhere to hide.

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