MESON Chess Problem Database

Problem Display
PID: 76430 (8/8/8/5QK1/6Np/6Rb/6nb/6Bk w - - 0 1)

Cafferata, Louis William

The Tablet, 1930

(First published on Sat Mar 29 1930)

8/8/8/5QK1/6Np/6Rb/6nb/6Bk

#2

5 + 5

15239 Valois Notebooks 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Kxg1
      • 2.Qb1#
    • 1...Se1
      • 2.Sf2#
    • 1...Se3
      • 2.Sf2#
    • 1...Sf4
      • 2.Sf2#
  • Tries
    • 1.Bxh2?
      • threat
        • 2.Qf1#
      • 1...Se1
        • 2.Rg1#
      • 1...Se3
        • 2.Rg1#
      • 1...Sf4
        • 2.Rg1#
      • 1...Bxg4!
  • Keys
    • 1.Qf1!
      • threat
        • 2.Sf2#
        • 2.Bxh2#
      • 1...Bxg1
        • 2.Rxh3#
      • 1...Bxg3
        • 2.Bf2#
        • 2.Bh2#
        • 2.Be3#
        • 2.Bd4#
        • 2.Bc5#
        • 2.Bb6#
        • 2.Ba7#
      • 1...Bxg4
        • 2.Qxg2#
      • 1...hxg3
        • 2.Bxh2#
      • 1...Se1
        • 2.Sf2#
      • 1...Se3
        • 2.Sf2#
      • 1...Sf4
        • 2.Sf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • K(a);OGATEB,P-FLIGHT,P_SPINS(b),XB(A)::QAR(D)
    • S(b);::S(C)
  • Tries
    • Try
      • B(A);XB(c)
      • Threat
        • QAR2(D)
      • Vars
        • S(b);OGATE::R1(B)
      • Refutation
        • B(d);XS(C)
  • Actual
    • Q(D);
    • Threat
      • DUALS(2)
    • Vars
      • B(c);OGATEB,P_SPINB(c),XB(A)::R(B),XB(d)
      • B(d);N_GUARD,XS(C)::QAB1(D),XS(b)
      • P(e);XR(B)::QAR(D)+B(A),XB(c)
      • S(b);::S(C)
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