MESON Chess Problem Database

Problem Display
PID: 76742 (8/8/2Q5/2B5/2b5/1PkP4/8/2K5 w - - 0 1)

Butwillo, Brother

The Tablet, 1944

(First published on Sat Sep 2 1944)

8/8/2Q5/2B5/2b5/1PkP4/8/2K5

#2

5 + 2

15239 Valois Notebooks 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd3
      • 2.Qf3#
  • Tries
    • 1.Qf6+?
      • 1...Kxd3
        • 2.Qf3#
      • 1...Kxb3!
    • 1.dxc4?
      • threat
        • 2.Qf3#
      • 1...Kd3
        • 2.Qf3#
      • 1...Kxb3!
  • Keys
    • 1.Qg2!
      • threat
        • 2.Qc2#
      • 1...Kxb3
        • 2.Qc2#
      • 1...Kxd3
        • 2.Qf3#
        • 2.Qc2#
      • 1...Bxb3
        • 2.Qd2#
      • 1...Bxd3
        • 2.Qb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • K(a);OGATEB,P-FLIGHT,XP(C)::QAR2(E)
  • Tries
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(C)::QAR2(E)
      • Refutation
        • K(a);P-FLIGHT,XP(B)
    • Try
      • P(C);XB(b)
      • Threat
        • QAR(E)
      • Vars
        • K(a);P-FLIGHT::QAR2(E)
      • Refutation
        • K(a);P-FLIGHT,XP(B)
  • Actual
    • Q(E);
    • Threat
      • QAR1(E)
    • Vars
      • K(a);P-FLIGHT,XP(B)::QAB1(E)
      • B(b);SBLOCK,XP(B)::QAB1(E)
      • B(b);SBLOCK,XP(C)::QAB1(E)
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