MESON Chess Problem Database

Problem Display
PID: 76550 (4R2K/5p2/5Pp1/4Qpk1/5N2/8/7P/8 w - - 0 1)

Lakeland, Rev T

The Tablet, 1936

(First published on Sat Apr 11 1936)

4R2K/5p2/5Pp1/4Qpk1/5N2/8/7P/8

#2

6 + 4

15239 Valois Notebooks 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Qc3?
      • 1...Kxf4
        • 2.Qg3#
      • 1...Kg4
        • 2.Qg3#
      • 1...Kh4
        • 2.Qg3#
      • 1...Kh6!
    • 1.Qe3?
      • 1...Kg4
        • 2.Qg3#
      • 1...Kh4
        • 2.Qg3#
      • 1...Kxf6
        • 2.Sd5#
        • 2.Qe7#
      • 1...Kh6!
  • Keys
    • 1.Qe1!
      • 1...Kxf4
        • 2.Qg3#
      • 1...Kg4
        • 2.Qg3#
      • 1...Kxf6
        • 2.Qe7#
      • 1...Kh6
        • 2.Qh4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);N_PINP(a)
      • Vars
        • K(b);S_FLIGHT,XS(B)::QAB1(C)
        • K(b);P-FLIGHT::QAR1(C)
        • K(b);S_FLIGHT::QAB1(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(C);N_PINP(a)
      • Vars
        • K(b);P-FLIGHT::QAR1(C)
        • K(b);S_FLIGHT::QAB1(C)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(C);N_PINP(a)
    • Vars
      • K(b);S_FLIGHT,XS(B)::QAB1(C)
      • K(b);P-FLIGHT::QAR1(C)
      • K(b);OGATEB,S_FLIGHT,XP(D)::QAB1(C)
      • K(b);S_FLIGHT::QAR2(C)
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