MESON Chess Problem Database

Problem Display
PID: 76960 (7K/8/8/R3P2p/2Pk3P/N7/pn1P4/2N1Q1bb w - - 0 1)

Gallery, Terence C

The Tablet, 1948

(First published on Sat Mar 13 1948)

7K/8/8/R3P2p/2Pk3P/N7/pn1P4/2N1Q1bb

#2

9 + 6

15239 Valois Notebooks 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Bh2
      • 2.Qe3#
    • 1...Be3
      • 2.Qxe3#
    • 1...Be4
      • 2.Qxg1#
    • 1...Bd5
      • 2.Rxd5#
    • 1...Sd3
      • 2.Sb3#
    • 1...Sxc4
      • 2.Sc2#
  • Tries
    • 1.Qe2?
      • threat
        • 2.Sb3#
        • 2.Sc2#
      • 1...Be3
        • 2.Qxe3#
      • 1...Be4
        • 2.Sb3#
      • 1...Sd3
        • 2.Sb3#
        • 2.Qxd3#
      • 1...a1S!
    • 1.d3?
      • threat
        • 2.Sc2#
      • 1...Sxd3
        • 2.Sb3#
      • 1...a1S!
  • Keys
    • 1.e6!
      • threat
        • 2.Qe5#
      • 1...Sxc4
        • 2.Sc2#
      • 1...Be3
        • 2.Qxe3#
      • 1...Bh2
        • 2.Qe3#
      • 1...Be4
        • 2.Qxg1#
      • 1...Bd5
        • 2.Rxd5#
      • 1...Sd3
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::QAB1(B)
    • B(a);N_GUARD::QAB1(B),XB(a)
    • B(b);SBLOCK::QAB(B),XB(a)
    • B(b);N_GUARD::R1(G),XB(b)
    • S(d);SBLOCK::S(A)
    • S(d);SBLOCK,XP(E)::S(D)
  • Tries
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);N_GUARD::QAB1(B),XB(a)
        • B(b);::S(A)
      • Refutation
        • P(c);
    • Try
      • P(C);
      • Threat
        • S(D)
      • Vars
        • S(d);SBLOCK,XP(C)::S(A)
      • Refutation
        • P(c);
  • Actual
    • P(H);
    • Threat
      • QAB1(B)
    • Vars
      • S(d);SBLOCK,XP(E)::S(D)
      • B(a);N_GUARD::QAB1(B),XB(a)
      • B(a);N_GUARD::QAB1(B)
      • B(b);SBLOCK::QAB(B),XB(a)
      • B(b);N_GUARD::R1(G),XB(b)
      • S(d);SBLOCK::S(A)
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