MESON Chess Problem Database

Problem Display
PID: 51392 (8/8/8/B1p3p1/B2bR3/KQ1Rrp1N/1p2k2N/nr4q1 w - - 0 1)

Morse, Christopher Jeremy

Manchester Guardian, 1959

8/8/8/B1p3p1/B2bR3/KQ1Rrp1N/1p2k2N/nr4q1

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Rd2#
    • 1...Sc2+
      • 2.Qxc2#
  • Tries
    • 1.Rdxe3+?
      • 1...Bxe3
        • 2.Qc4#
      • 1...Qxe3!
  • Keys
    • 1.Qc4!
      • threat
        • 2.Rdxe3#
      • 1...Sc2+
        • 2.Qxc2#
      • 1...Rxe4
        • 2.Rxf3#
      • 1...Bc3
        • 2.Rd1#
      • 1...Sb3
        • 2.Rdxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • R(b);SBLOCK::R1(D)
    • S(a);CHECK,N_GUARD::QAR2(C),XS(a)
  • Tries
    • Try
      • R(D);CHECK,XR(f)
      • Vars
        • B(h);P_SPINB(h),XR(D)::QAB(C)
      • Refutation
        • Q(c);P_PINQ(C),P_SPINQ(c),XR(D)
  • Actual
    • Q(C);P_SPINR(D)
    • Threat
      • QAB(C)+R(D),DCHECK,XR(f)
    • Vars
      • S(a);CHECK,N_GUARD::QAR2(C),XS(a)
      • R(f);N_PINR(D),N_SPINR(f),XR(G)::QAB(C)+R(D),XP(g)
      • B(h);N_PINR(D)::QAB(C)+R(D)
      • S(a);N_PINR(D)::QAB(C)+R(D),XB(h)
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