MESON Chess Problem Database

Problem Display
PID: 140879 (5QN1/3qp2k/3P1B2/r6P/4R3/3B1N2/p7/1K6 w - - 0 1)

Morse, Christopher Jeremy

Problem Observer, 1979

5QN1/3qp2k/3P1B2/r6P/4R3/3B1N2/p7/1K6

#2

9 + 5

6490 yacpdb 2011

SOLUTION

  • SOUND
  • Keys
    • 1.Ka1!
      • threat
        • 2.Rxe7#
        • 2.Qg7#
        • 2.Qf7#
      • 1...exd6
        • 2.Re7#
      • 1...exf6
        • 2.Sxf6#
      • 1...Qg4
        • 2.Rxe7#
      • 1...Qe6
        • 2.Qg7#
      • 1...Qe8
        • 2.Rxe7#
        • 2.Qg7#
      • 1...Re5
        • 2.Qg7#
        • 2.Qf7#
      • 1...Rf5
        • 2.Qg7#
        • 2.Qf7#
      • 1...Rg5
        • 2.Sxg5#
        • 2.Rxe7#
      • 1...e5
        • 2.Sg5#
      • 1...e6
        • 2.Re5#

FEATURES

  • Static
    • TYPE = WHITE_IN_CHECK
  • Actual
    • K(A);P-FLIGHT
    • Threat
      • DUALS(3)
    • Vars
      • P(d);XP(F)::B(B)+R(D),DCHECK
      • P(d);XB(G)::S(I),XP(d)
      • Q(c);::B(B)+R(D),DCHECK,XP(d)
      • Q(c);::QAR1(H)
      • P(d);S_CUTR(b)::S(C)
      • P(d);S_CUTQ(c)::B(B)+R(D)
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