MESON Chess Problem Database
Problem Display
PID: 42866 (4k3/K4R2/pNP3P1/1B3pB1/4b3/4n3/4p3/R1r5 w - - 0 1)
Macleod, Norman Alasdair
The Problemist, 1978
#3
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.c7+
- 2...Rxb5
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...axb5
- 3.c8Q#
- 3.c8R#
- 2...Rxb5
- 2.c7+
- 1...Re1
- 2.c7+
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...axb5
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 2.c7+
- 1...Rf1
- 2.c7+
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...axb5
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 2.c7+
- 1...Rg1
- 2.c7+
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...axb5
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 2.c7+
- 1...Rh1
- 2.c7+
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...axb5
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 2.c7+
- 1...Bc2
- 2.Sd7
- threat
- 3.Rf8#
- threat
- 2.c7+
- 2...axb5
- 3.c8Q#
- 3.c8R#
- 2...axb5
- 2.Sd7
- 1...Sd1
- 2.Sa8
- threat
- 3.Sc7#
- threat
- 2.Sc8
- threat
- 3.Sd6#
- threat
- 2.Sa8
- 1...Sf1
- 2.Sa8
- threat
- 3.Sc7#
- threat
- 2.Sa8
- 1...Sc2
- 2.Sa8
- threat
- 3.Sc7#
- threat
- 2.c7+
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...axb5
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 2.Sa8
- 1...Sg2
- 2.Sa8
- threat
- 3.Sc7#
- threat
- 2.Sa8
- 1...Sc4
- 2.Sa8
- threat
- 3.Sc7#
- threat
- 2.c7+
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...axb5
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 2.Sa8
- 1...a5
- 2.c7+
- 2...Rc6
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 3.c8Q#
- 3.c8R#
- 2...Rc6
- 2.c7+
- 1...Rb1
- Tries
- 1.Sc8?
- threat
- 2.Sd6#
- 1...Sc4
- 2.Be7
- threat
- 3.Rf8#
- 2...Bxc6
- 3.Bxc6#
- threat
- 2.Be7
- 1...Rd1!
- threat
- 1.Rxc1?
- threat
- 2.c7+
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...axb5
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 2.c7+
- 1...Bb1
- 2.Sd7
- threat
- 3.Rf8#
- threat
- 2.Rh1
- threat
- 3.Rh8#
- threat
- 2.c7+
- 2...axb5
- 3.c8Q#
- 3.c8R#
- 2...axb5
- 2.Sd7
- 1...Bh1
- 2.Rxh1
- threat
- 3.Rh8#
- threat
- 2.c7+
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...axb5
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 2.Rxh1
- 1...Bc2
- 2.Sd7
- threat
- 3.Rf8#
- threat
- 2.Rh1
- threat
- 3.Rh8#
- threat
- 2.c7+
- 2...axb5
- 3.c8Q#
- 3.c8R#
- 2...axb5
- 2.Sd7
- 1...Bg2
- 2.c7+
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...axb5
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 2.c7+
- 1...Bd3
- 2.Sd7
- threat
- 3.Rf8#
- threat
- 2.Rh1
- threat
- 3.Rh8#
- threat
- 2.c7+
- 2...Bxb5
- 3.c8Q#
- 3.c8R#
- 2...axb5
- 3.c8Q#
- 3.c8R#
- 2...Bxb5
- 2.Sd7
- 1...Bf3
- 2.c7+
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...axb5
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 2.c7+
- 1...Bd5
- 2.c7+
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...axb5
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 2.c7+
- 1...Sd5
- 2.c7+
- 2...axb5
- 3.c8Q#
- 3.c8R#
- 2...axb5
- 2.c7+
- 1...a5
- 2.Sa8
- threat
- 3.Sc7#
- 2...Sd5
- 3.c7#
- threat
- 2.c7+
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 2.Sa8
- 1...axb5!
- threat
- 1.Rxa6?
- threat
- 2.c7+
- 2...Rc6
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 3.c8Q#
- 3.c8R#
- 2...Rc6
- 2.c7+
- 1...Rxc6
- 2.Kb7
- threat
- 3.Ra8#
- threat
- 2.Sa8
- threat
- 3.Sc7#
- 2...Sd5
- 3.Bxc6#
- threat
- 2.Kb7
- 1...Rd1
- 2.Sa8
- threat
- 3.Sc7#
- 2...Rd7+
- 3.cxd7#
- 2...Sd5
- 3.c7#
- threat
- 2.Sa8
- 1...Ra1
- 2.c7+
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 2.c7+
- 1...Rb1
- 2.c7+
- 2...Rxb5
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...Rxb5
- 2.c7+
- 1...Re1
- 2.Sa8
- threat
- 3.Sc7#
- 2...Sd5
- 3.c7#
- threat
- 2.c7+
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 2.Sa8
- 1...Rf1
- 2.Sa8
- threat
- 3.Sc7#
- 2...Sd5
- 3.c7#
- threat
- 2.c7+
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 2.Sa8
- 1...Rg1
- 2.c7+
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 2.c7+
- 1...Rh1
- 2.Sa8
- threat
- 3.Sc7#
- 2...Sd5
- 3.c7#
- threat
- 2.c7+
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 2.Sa8
- 1...Rc2
- 2.c7+
- 2...Rc6
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 3.c8Q#
- 3.c8R#
- 2...Rc6
- 2.c7+
- 1...Rc3
- 2.c7+
- 2...Rc6
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 3.c8Q#
- 3.c8R#
- 2...Rc6
- 2.c7+
- 1...Rc4
- 2.c7+
- 2...Rc6
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 3.c8Q#
- 3.c8R#
- 2...Rc6
- 2.c7+
- 1...Rc5
- 2.c7+
- 2...Rxb5
- 3.c8Q#
- 3.c8R#
- 2...Rc6
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 3.c8Q#
- 3.c8R#
- 2...Rxb5
- 2.c7+
- 1...Bb1
- 2.c7+
- 2...Rc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...Rc6
- 2.c7+
- 1...Bh1
- 2.c7+
- 2...Rc6
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 3.c8Q#
- 3.c8R#
- 2...Rc6
- 2.c7+
- 1...Bg2
- 2.c7+
- 2...Rc6
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 3.c8Q#
- 3.c8R#
- 2...Rc6
- 2.c7+
- 1...Bd3
- 2.Sc8
- threat
- 3.Sd6#
- 2...Sc4
- 3.c7#
- threat
- 2.Sc8
- 1...Bf3
- 2.c7+
- 2...Rc6
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 3.c8Q#
- 3.c8R#
- 2...Rc6
- 2.c7+
- 1...Bd5
- 2.c7+
- 2...Rc6
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 3.c8Q#
- 3.c8R#
- 2...Rc6
- 2.c7+
- 1...Sc2
- 2.Sa8
- threat
- 3.Sc7#
- threat
- 2.c7+
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 2.Sa8
- 1...Sc4
- 2.Sa8
- threat
- 3.Sc7#
- threat
- 2.c7+
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 2.Sa8
- 1...Sd5
- 2.c7+
- 2...Rc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...Rc6
- 2.c7+
- 1...Bxc6!
- threat
- 1.Rb7?
- threat
- 2.Rb8#
- 1...Rd1
- 2.Rb8+
- 2...Rd8
- 3.Rxd8#
- 2...Rd8
- 2.Rb8+
- 1...Kf8!
- threat
- 1.Rc7?
- threat
- 2.Rc8#
- 1...Rd1
- 2.Rc8+
- 2...Rd8
- 3.Rxd8#
- 2...Rd8
- 2.Rc8+
- 1...Kf8!
- threat
- 1.Re7+?
- 1...Kd8
- 2.Rb7+
- 2...Ke8
- 3.Rb8#
- 2...Ke8
- 2.Rd7+
- 2...Ke8
- 3.Rd8#
- 2...Ke8
- 2.Rg7+
- 2...Ke8
- 3.Rg8#
- 2...Ke8
- 2.Rh7+
- 2...Ke8
- 3.Rh8#
- 2...Ke8
- 2.Rb7+
- 1...Kf8!
- 1...Kd8
- 1.Rh7?
- threat
- 2.Rh8#
- 1...Rh1
- 2.c7+
- 2...Kf8
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 3.c8Q#
- 3.c8R#
- 2...axb5
- 3.c8Q#
- 3.c8R#
- 2...Kf8
- 2.c7+
- 1...Bd5
- 2.Rh8+
- 2...Bg8
- 3.Rxg8#
- 2...Bg8
- 2.Rh8+
- 1...Kf8!
- threat
- 1.c7+?
- 1...Rc6
- 2.c8Q#
- 2.c8R#
- 1...Bc6
- 2.c8Q#
- 2.c8R#
- 1...axb5!
- 1...Rc6
- 1.Sc8?
- Keys
- 1.Ba4!
- threat
- 2.c7+
- 2...Rc6
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 3.c8Q#
- 3.c8R#
- 2...Rc6
- 2.c7+
- 1...Rxa1
- 2.c7+
- 2...Rxa4
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...Rxa4
- 2.c7+
- 1...Rxc6
- 2.Sa8
- threat
- 3.Sc7#
- 2...Sd5
- 3.Bxc6#
- threat
- 2.Sa8
- 1...Bxc6
- 2.Rxc1
- threat
- 3.Bxc6#
- 2...Bxa4
- 3.Rc8#
- 2...Bb5
- 3.Rc8#
- 2...Bd7
- 3.Bxd7#
- 3.Rc8#
- threat
- 2.Rxc1
- 1...Rd1
- 2.Sa8
- threat
- 3.Sc7#
- 2...Rd7+
- 3.cxd7#
- 2...Sd5
- 3.c7#
- threat
- 2.Sa8
- 1...Rb1
- 2.c7+
- 2...Rb5
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...Rb5
- 2.c7+
- 1...Re1
- 2.Sa8
- threat
- 3.Sc7#
- 2...Sd5
- 3.c7#
- threat
- 2.c7+
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 2.Sa8
- 1...Rf1
- 2.Sa8
- threat
- 3.Sc7#
- 2...Sd5
- 3.c7#
- threat
- 2.c7+
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 2.Sa8
- 1...Rg1
- 2.c7+
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 2.c7+
- 1...Rh1
- 2.Sa8
- threat
- 3.Sc7#
- 2...Sd5
- 3.c7#
- threat
- 2.c7+
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 2.Sa8
- 1...Rc2
- 2.c7+
- 2...Rc6
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 3.c8Q#
- 3.c8R#
- 2...Rc6
- 2.c7+
- 1...Rc3
- 2.c7+
- 2...Rc6
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 3.c8Q#
- 3.c8R#
- 2...Rc6
- 2.c7+
- 1...Rc4
- 2.c7+
- 2...Rxa4
- 3.c8Q#
- 3.c8R#
- 2...Rc6
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 3.c8Q#
- 3.c8R#
- 2...Rxa4
- 2.c7+
- 1...Rc5
- 2.c7+
- 2...Rb5
- 3.c8Q#
- 3.c8R#
- 2...Rc6
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 3.c8Q#
- 3.c8R#
- 2...Rb5
- 2.c7+
- 1...Bb1
- 2.c7+
- 2...Rc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...Rc6
- 2.c7+
- 1...Bh1
- 2.c7+
- 2...Rc6
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 3.c8Q#
- 3.c8R#
- 2...Rc6
- 2.c7+
- 1...Bc2
- 2.Sd7
- threat
- 3.Rf8#
- threat
- 2.Sd7
- 1...Bg2
- 2.c7+
- 2...Rc6
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 3.c8Q#
- 3.c8R#
- 2...Rc6
- 2.c7+
- 1...Bd3
- 2.Sc8
- threat
- 3.Sd6#
- 2...Sc4
- 3.c7#
- threat
- 2.Sc8
- 1...Bf3
- 2.c7+
- 2...Rc6
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 3.c8Q#
- 3.c8R#
- 2...Rc6
- 2.c7+
- 1...Bd5
- 2.c7+
- 2...Rc6
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 3.c8Q#
- 3.c8R#
- 2...Rc6
- 2.c7+
- 1...Sc2
- 2.Sa8
- threat
- 3.Sc7#
- threat
- 2.c7+
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 2.Sa8
- 1...Sc4
- 2.Sa8
- threat
- 3.Sc7#
- threat
- 2.c7+
- 2...Bc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...Bc6
- 2.Sa8
- 1...Sd5
- 2.c7+
- 2...Rc6
- 3.Bxc6#
- 3.c8Q#
- 3.c8R#
- 2...Rc6
- 2.c7+
- threat
- 1.Ba4!
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