MESON Chess Problem Database

Problem Display
PID: 133095 (3K4/p5p1/5P2/Bp1P2Q1/r2kP1n1/4p1N1/b1RP1n2/2N5 w - - 0 1)

Luke, R

The Field, 1960

(First published on Thu May 12 1960)

3K4/p5p1/5P2/Bp1P2Q1/r2kP1n1/4p1N1/b1RP1n2/2N5

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd5
      • 2.Qxd5#
    • 1...Sd3
      • 2.Sce2#
    • 1...Sxe4
      • 2.Sge2#
    • 1...Sh2
      • 2.dxe3#
    • 1...Se5
      • 2.Qxe3#
      • 2.dxe3#
    • 1...Sxf6
      • 2.dxe3#
    • 1...Sh6
      • 2.dxe3#
    • 1...a6
      • 2.Bb6#
  • Tries
    • 1.Sb3+?
      • 1...Kd3
        • 2.Rc3#
      • 1...Bxb3!
  • Keys
    • 1.d6!
      • threat
        • 2.Qc5#
      • 1...Sxe4
        • 2.Sge2#
      • 1...Rc4
        • 2.Qd5#
      • 1...Bc4
        • 2.Bc3#
      • 1...Bd5
        • 2.Qxd5#
      • 1...Sd3
        • 2.Sce2#
      • 1...Se5
        • 2.Qxe3#
        • 2.dxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • B(a);OGATE,XP(G)::QAR1(H),XB(a)
    • S(b);SBLOCK::S(A)
    • S(b);SBLOCK,XP(E)::S(D)
    • S(f);N_GUARD::P(C),XP(c)
    • S(f);N_GUARD,XP(I)::P(C),XP(c)
    • P(h);N_GUARD::B(F)
  • Tries
    • Try
      • S(A);CHECK
      • Vars
        • K(e);P-FLIGHT::R1(B)
      • Refutation
        • B(a);XS(A)
  • Actual
    • P(G);
    • Threat
      • QAB1(H)
    • Vars
      • S(b);SBLOCK,XP(E)::S(D)
      • R(d);S_CUTB(a)::QAR1(H)
      • B(a);SBLOCK::B(F)
      • B(a);N_GUARD::QAR1(H),XB(a)
      • S(b);SBLOCK::S(A)
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