MESON Chess Problem Database

Problem Display
PID: 76537 (R1K5/2p5/2p5/Pk6/1p6/1P6/P7/Q7 w - - 0 1)

Cafferata, Louis William

The Tablet, 1933

(First published on Sat Dec 30 1933)

R1K5/2p5/2p5/Pk6/1p6/1P6/P7/Q7

#2

6 + 4

15239 Valois Notebooks 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Qe5#
  • Tries
    • 1.Kb7?
      • 1...Kc5
        • 2.Qe5#
      • 1...c5!
    • 1.Kxc7?
      • 1...Kc5
        • 2.Qe5#
      • 1...c5!
    • 1.Kd7?
      • 1...Kc5
        • 2.Qe5#
      • 1...c5!
    • 1.Kb8?
      • 1...Kc5
        • 2.Qe5#
      • 1...c5!
    • 1.Kd8?
      • 1...Kc5
        • 2.Qe5#
      • 1...c5!
    • 1.Ra7?
      • 1...Kc5
        • 2.Qe5#
      • 1...c5!
    • 1.Qb2?
      • 1...Kc5
        • 2.Qe5#
      • 1...c5!
    • 1.Qg7?
      • 1...Kc5
        • 2.Qe5#
      • 1...c5!
    • 1.Qh8?
      • 1...Kc5
        • 2.Qe5#
      • 1...c5!
    • 1.Qe1?
      • 1...Kc5
        • 2.Qe5#
      • 1...c5!
    • 1.Qh1?
      • 1...c5
        • 2.Qb7#
      • 1...Kc5!
    • 1.a4+?
      • 1...Kc5
        • 2.Qe5#
      • 1...bxa4 ep!
  • Keys
    • 1.Qf6!
      • 1...Kc5
        • 2.Qe5#
      • 1...c5
        • 2.Qa6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::QAR2(A)
  • Tries
    • Try
      • K(F);S_FLIGHT
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • P(c);
    • Try
      • K(F);P-FLIGHT,XP(d)
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • P(c);
    • Try
      • K(F);S_FLIGHT
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • P(c);
    • Try
      • K(F);P-FLIGHT
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • P(c);
    • Try
      • K(F);P-FLIGHT
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • P(c);
    • Try
      • R(E);
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Vars
        • P(c);OGATE,SBLOCK::QAR2(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • P(B);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • P(a);EP,XP(B)
  • Actual
    • Q(A);
    • Vars
      • K(b);P-FLIGHT::QAR2(A)
      • P(c);OGATE,SBLOCK::QAB1(A)
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