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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.

3W0171 [solution]	_____	3W0172 [solution] [Next]
3W0173 [solution]	_____	3W0174 [solution] [Next]
3W0171 1. Rc6!! threatens Rf6 mate. If 1. ... Rf8 2. e4 mate. So if 1. ... Re6 2. e4+ Rxe4 (forced) 3. Rf6 mate. Thanks to flanker on the Internet Chess Club (ICC)	_____	3W0172 1. Rh4! threatens Bf8 mate. So if 1. ... Rh7 2. Bd3 wins the rook on move 3. If instead 1. ... Kh7 2. Bd3+ Rg6 3. Bxg6+ with a winning advantage.
3W0173 White can't queen his pawn because the queening square is attacked by the enemy queen. But after 1. Nf5+ Kg6 (Kf8 2. Rd8 mate) 2. Rd6+ f6 3.b8=Q wins	_____	3W0174 1. Nf6+ and now if Kg7 then 2. Ne8+ wins the queen. So if instead 1. ... Kg6 2. Bh5+! and now Kg7 3. Ne8+. Thanks to Kabal on FICS for this problem.
3W0175 [solution]	_____	3W0176 [solution] [Next]
3W0177 [solution]	_____	3W0178 [solution] [Next]
3W0175 1. Bg8 (threatening Rh7 mate) g5 2. fg+ Kg6 3. Bh7 mate. Thanks to Dr. D. Schmid for pointing out that checks can delay mate, but they do not stop mate.	_____	3W0176 1. f5+ Kd5 and white mistakenly thought 2. c4+ was checkmate but now dxc3 3. Nxc3 is mate. Instead 2. Qf7+ is a very impressive win but takes longer.
3W0177 1. Rxf5 (white played Bxf5 and won anyway) threatens both the queen and 2. Rf8+! leading to mate on move 3. Black can dealy things with 1. ... Nxg3+ but it hardly matters.	_____	3W0178 1. Bd3 and now the bishop on e6 must move. So then 2. b4 traps the knight. Instead interesting is 1. dxe6 Nxc4 2. exf7+ Kxf7 3. Qd5+ forking the king and knight
3W0179 [solution]	_____	3W0180 [solution] [Next]
3W0179 the easy way is 1. Bh5+ and now if 1. ... Kf8 2. Qf3+ or Qf4+ forces mate after king moves and 3. Qf7 mate. Black can give up his queen to delay mate but it hardly matters here.	_____	3W0180 1. h4! and now g4 then 2. h5 wins the pawn on d5. If instead 1. ... gxf4 or gxh4 2. recpatures the pawn and h5 3. a3 wins! The alternativie of 1. Kc5 seems to work too.

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