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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.

4W0041 [solution]	_____	4W0042 [solution]      [Next]
4W0043 [solution]	_____	4W0044 [solution]      [Next]
4W0041 1. Qe6+ Kc5 2. Be3+ Kb4 3. c3+ Ka5 4. Qb6 mate. or 2. ... Rd4 3. Bxd4+ if Kxd4 4. Qe3 mate. Otherwise if 3. ... Kb4 4. Qe1 mate! Or 1. Qxf6+ Kc5 2. Qc3+ Kb6 3. Be3+ Rd4 4. Bxd4 mate.	_____	4W0042 1. c4 Rd6 2. Bc7 Re6 3. Bxe5 wins (Rxe5 4. Rxe5 wins. If instead 3. ... R8e8 4. Bg3 wins.)
4W0043 NOT 1. f7 stalemate. Instead 1. Kf7 and then 2. g6, 3. g7 and 4. g8=Q. Also possible is 2. Ke7.	_____	4W0044 1. Qf7+ Kh8 2. Bxg7+ Rxg7 3. Rh5+ and mate on move 4. It helps to move the king toward the corner.
4W0045 [solution]	_____	4W0046 [solution]      [Next]
4W0047 [solution]	_____	4W0048 [solution]      [Next]
4W0045 1. f6 Kg6 (Kg8 is the same) 2. h7! Kxh7 3. f7 Bxf7 (or else Queen) 4. Kxf7 is an easily won endgame.	_____	4W0046 1. Be2 Bg4 2. Bxg4 Qxg4 3. f3 Bg3+ gives up a pieces to save his queen, or else he allows 3. ... Qh5 4. g4
4W0047 1. Qxh6+ Kxh6 2. Bxd7 wins material but also the threat of 3. Bc6 and 4. Bxb7 is hard for black to avoid.	_____	4W0048 1. Rxb4 Rxb4 2. Rxb4 wins because of the pin on the pawn on a5. If 2. .... Qxc2 3. Rb8+ Kg7 4. Qxa5 wins
4W0049 [solution]	_____	4W0050 [solution]      [Next]
4W0051 [solution]	_____	4W0052 [solution]      [Next]
4W0049 1. Re7+ and now black can give up his queen or he can allow 1. ... Kh6 2. Qh8+ Kg6 3. Qh7+! Kf6 4. Qf7 mate.	_____	4W0050 1. Qd7+ and now if 1. ... Kf8 then 2. Qd8+ wins a rook. If Instead 1. ... Kf6 2. Qe6+ Kg5 3. Qe7+ Kh6 4. Qh6 mate.
4W0051 1. Qb5+ Ke1 2. Re6+ Kf2 3. Qf5+ Rf4 4. Qxf4 mate if 1. ... Kf2 then either 2. Qf5+ or 2. Rxd2+ or 2. Rxf6+ wins.	_____	4W0052 1. b6 axb6 2. axb6 Nxb6 3. e7 (or h8=Q) and both pawns can't be stopped. One of them is going to Queen on move 4.
4W0053 [solution]	_____	4W0054 [solution]      [Next]
4W0055 [solution]	_____	4W0056 [solution]      [Next]
4W0053 Better is Qh7+ followed by Qh8 mate. Also .... 1. Bh7+ Kh8 2. Bg6+ Kg8 3. Qh7+ Kf8 4. Qxf7 mate or Qh8 mate.	_____	4W0054 1. Qxf6!! threatening Qxg7 mate. 2. exf6 (or exh6) Rg3+ Kh8 3. Bg7+ Kg8 4. Bxf6 mate. Submitted by Eon on FICS.
4W0055 1. b5! black's bishop and rook are ineffective to stop b6, b7 and 4. Rc8 - black will have to give up a rook to stop it	_____	4W0056 1. Qh5+ and now if 1. ... Kg7 then 2. Rxg6+ forces mate on move 4. If instead 1. ... Kg8 then 2. Bxg6! forces mate on move 4.
4W0057 [solution]	_____	4W0058 [solution]      [Next]
4W0059 [solution]	_____	4W0060 [solution]      [Next]
4W0057 1. Qxh7+ forces black to move away from the defense of the Queen or 1. ... Ng7 2. Qxg7+ Ke8 3. Nc6+ Qd8 4. Rxd8 mate.	_____	4W0058 1. Qxf6+ Kg8 2. Qxg6+ Qg7 (if Kf8 then Re8 mate) 3. Re8+ Bf8 4. Bxd5 mate! Thanks to Kabal on for showing this too me.
4W0059 1. Rxd6 wins at least a knight. If 1. ... exd6 2. e7+ is going to queen a pawn. If 2. ... Kf7 3. Qe6+ is easily winning after 4. e8=Q	_____	4W0060 1. f8=Q+ Rxf8 (Kxf8 2. Rc8+) 2. Rc7+ Kf6 (Kh6 3. Rh7 mate) 3. Rf7+ Rxf7 4. gxf7 with two pawns threatening to Queen at once.

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