MESON Chess Problem Database

Problem Display
PID: 60786 (8/8/8/8/7P/5K1r/7k/1RR1Q2B w - - 0 1)

Vaughan, Colin V

The Problemist, 1971

8/8/8/8/7P/5K1r/7k/1RR1Q2B

#2

6 + 2

145 StrateGems 2010

SOLUTION

  • SOUND
  • Keys
    • 1.Kg4!
      • threat
        • 2.Rb2#
        • 2.Rc2#
        • 2.Qd2#
        • 2.Qf2#
        • 2.Qg1#
        • 2.Qe2#
      • 1...Rg3+
        • 2.Qxg3#
      • 1...Rxh4+
        • 2.Qxh4#
      • 1...Rb3
        • 2.Rc2#
        • 2.Qd2#
        • 2.Qf2#
        • 2.Qg1#
        • 2.Qe2#
      • 1...Rc3
        • 2.Qd2#
        • 2.Qf2#
        • 2.Qg1#
        • 2.Qe2#
      • 1...Rd3
        • 2.Qf2#
        • 2.Qg1#
        • 2.Qe2#
      • 1...Re3
        • 2.Qf2#
        • 2.Qg1#
      • 1...Rf3
        • 2.Qg1#

FEATURES

  • Static
    • TYPE = WHITE_IN_CHECK
  • Actual
    • K(E);S_FLIGHT
    • Threat
      • DUALS(6)
    • Vars
      • R(b);CHECK,N_GUARD::QAB1(C),XR(b)
      • R(b);CHECK,OGATE,XP(F)::QAR2(C),XR(b)
      • R(b);::QAB1(C)
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