MESON Chess Problem Database

Problem Display
PID: 76819 (8/5p2/3K1k1P/4pPb1/5pP1/8/3Q4/8 w - - 0 1)

Butwillo, Brother

The Tablet, 1946

(First published on Sat Aug 24 1946)

8/5p2/3K1k1P/4pPb1/5pP1/8/3Q4/8

#2

5 + 5

15239 Valois Notebooks 2016

SOLUTION

  • SOUND
  • Sets
    • 1...e4
      • 2.Qc3#
      • 2.Qb2#
      • 2.Qd4#
  • Tries
    • 1.Kc7?
      • threat
        • 2.Qd6#
        • 2.Qd8#
      • 1...Ke7
        • 2.Qd8#
      • 1...Bh4
        • 2.Qd8#
      • 1...e4
        • 2.Qd6#
      • 1...Bxh6!
    • 1.Qe1?
      • threat
        • 2.Qxe5#
      • 1...Bh4
        • 2.Qxh4#
      • 1...e4
        • 2.Qc3#
        • 2.Qa1#
      • 1...Bxh6!
    • 1.Qa5?
      • threat
        • 2.Qd8#
        • 2.Qxe5#
      • 1...Bh4
        • 2.Qd8#
      • 1...e4
        • 2.Qc3#
        • 2.Qd8#
        • 2.Qa1#
        • 2.Qe5#
      • 1...Bxh6!
  • Keys
    • 1.Qh2!
      • 1...Bxh6
        • 2.Qxh6#
      • 1...Bh4
        • 2.Qxh4#
      • 1...f3
        • 2.Qxe5#
      • 1...e4
        • 2.Qb2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • K(d);S_FLIGHT::QAB1(A)
        • B(c);::QAB(A)
        • P(b);::QAR2(A)
      • Refutation
        • B(c);XP(E)
    • Try
      • Q(A);
      • Threat
        • QAB1(A),XP(b)
      • Vars
        • B(c);OGATEB::QAB(A),XB(c)
      • Refutation
        • B(c);XP(E)
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • B(c);::QAB(A)
      • Refutation
        • B(c);XP(E)
  • Actual
    • Q(A);
    • Vars
      • B(c);OGATE,XP(E)::QAR2(A),XB(c)
      • B(c);OGATEB::QAB(A),XB(c)
      • P(a);OGATE::QAB1(A),XP(b)
      • P(b);OGATEB::QAB(A)
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