MESON Chess Problem Database

Problem Display
PID: 82 (8/3p1n2/5P2/2RB1k1K/2nQ4/3p4/1p3N2/1bb5 w - - 0 1)

Mansfield, Comins

Morecombe Visitor, 1930

8/3p1n2/5P2/2RB1k1K/2nQ4/3p4/1p3N2/1bb5

#2

6 + 8

3202 Complete Mansfield/I 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Scd6
      • 2.Bxf7#
    • 1...Sfd6
      • 2.Bxc4#
  • Tries
    • 1.Bxc4+?
      • 1...Se5
        • 2.Qxe5#
      • 1...d5!
    • 1.Be4+?
      • 1...Ke6
        • 2.Bf5#
      • 1...Kf4!
    • 1.Bxf7+?
      • 1...Se5
        • 2.Qxe5#
      • 1...d5!
  • Keys
    • 1.Sg4!
      • threat
        • 2.Qe4#
      • 1...Sd2
        • 2.Se3#
      • 1...Scd6
        • 2.Bxf7#
      • 1...Sg5
        • 2.Sh6#
      • 1...Sfd6
        • 2.Bxc4#
      • 1...d2
        • 2.Qf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(e);N_GUARD,S_CUTP(g)::R(C)+B(D),XS(h)
    • S(h);N_GUARD,S_CUTP(g)::R(C)+B(D),XS(e)
  • Tries
    • Try
      • B(D);CHECK,XS(e)
      • Vars
        • S(h);N_GUARD,P_SPINS(h)::QAR1(B),XS(h)
      • Refutation
        • P(g);P_SPINP(g)
    • Try
      • B(D);CHECK
      • Vars
        • K(f);S_FLIGHT::B(D)
      • Refutation
        • K(f);P-FLIGHT
    • Try
      • B(D);CHECK,XS(h)
      • Vars
        • S(e);N_GUARD,P_SPINS(e)::QAR1(B),XS(e)
      • Refutation
        • P(g);P_SPINP(g)
  • Actual
    • S(A);
    • Threat
      • QAB1(B)
    • Vars
      • S(e);N_GUARD,S_CUTB(b)::S(A)
      • S(e);N_GUARD,S_CUTP(g)::R(C)+B(D),XS(h)
      • S(h);N_GUARD,S_CUTB(b)::S(A)
      • S(h);N_GUARD,S_CUTP(g)::R(C)+B(D),XS(e)
      • P(d);S_CUTB(b)::QAR(B)
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