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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.

3W0158 [solution]	_____	3W0159 [solution]      [Next]
3W0160 [solution]	_____	3W0161 [solution]      [Next]
3W0158 1. f8=Q only stalemates. So instead 1. Kf6! (also Ke8 works too.) 1. ... Kh8 2. f8=Q+ Kh7 and now 3. Qg7 mate or 3. g6 mate	_____	3W0159 1. Rxc7 and the Queen can't move because of the mate threat on g7. If 1. ... Rf5 2. Rxd7 Rxe5 3. Rxd8+ wins No good is 1. Re7 Qg4
3W0160 1. Nxd5 and now if 1. ... Qc8 2. Nb6. If instead 1. ... Qd8 then 2. Nf6+ and now not Ke7 allowing 3. Qd6 mate so instead 2. ... Kf8 3. Nxd7 wins	_____	3W0161 white gets at least at least a two pawn advantag and great position after 1. cxd5 bxc5 2. dxe6 Qe7 3. exf7+ is 1. Bxd5 a viable alternative?
3W0162 [solution]	_____	3W0163 [solution]      [Next]
3W0164 [solution]	_____	3W0165 [solution]      [Next]
3W0162 1. Qg6!! threatens Qh7 mate and can't be taken because the f7 pawn is pinned by the g3 bishop. Now 1. ... Nf6 2. exf6 or Nf6+ forces mate on move 3.	_____	3W0163 1. Bd6!! threatens two pieces. If 1. ... Qxd6 2. Bxg6! threatens both the Queen and mate on move 3. No good is 2. ... Qxd1 3. Qxf7 mate.
3W0164 1. Rd8+ Kxd8 2. Kxf7 and the bishop must move so the pawn falls on g7 . if 2. ... g5 white has more than one good option including 3. Kxf8 and 3. Bxg5	_____	3W0165 1. Bxg6!! If 1. ... Rxg3 2. Rxb8 mate. If instead 1. ... hxg6 2. Rxb3 wins material. If instead 1. ... Rxb1+ 2. Rxb1 Rxb1+ 3. Bxb1 wins
3W0166 [solution]	_____	3W0167 [solution]      [Next]
3W0170 [solution]	_____	3W0171 [solution]      [Next]
3W0166 1. Nxh6+! gxh6 (Kh7 2. Nf7+ forces mate) 2. Qxh6! and black can't avoid mate next move. 2. ... Nf7 3. Qh7 mate. Also works is 2. Qg6+.	_____	3W0167 There seems to be more than one way to win, including 1. Rg8 and 1. Rh8 The simplest seems to be 1. Rg8 and 2. Kf3 winning the pawn on move 3.
3W0170 1. Bd6+ and now if the king moves to rank 5 then Rd5+ wins the knight. If instead 1. ... Kb4 2. Rd4+ Kc5 (or Kb5) 3. Rd5+ wins the knight.	_____	3W0171 1. b3 threatens to win a2. If now Qa5 then 2. Nxd6+ Kd7 3. Nxf7 wins two pawns and still gives white a strong position with a favorable attack.

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