MESON Chess Problem Database

Problem Display
PID: 76835 (8/5R2/7P/6pk/4Q3/8/5K2/8 w - - 0 1)

Butwillo, Brother

The Tablet, 1947

(First published on Sat Mar 8 1947)

8/5R2/7P/6pk/4Q3/8/5K2/8

#2

4 + 2

15239 Valois Notebooks 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Kxh6
      • 2.Rh7#
      • 2.Qh7#
  • Tries
    • 1.Ke1?
      • 1...Kxh6
        • 2.Rh7#
        • 2.Qh7#
      • 1...g4!
    • 1.Kf1?
      • 1...Kxh6
        • 2.Rh7#
        • 2.Qh7#
      • 1...g4!
    • 1.Kg1?
      • 1...Kxh6
        • 2.Rh7#
        • 2.Qh7#
      • 1...g4!
    • 1.Ke2?
      • 1...Kxh6
        • 2.Rh7#
        • 2.Qh7#
      • 1...g4!
    • 1.Kg2?
      • 1...Kxh6
        • 2.Rh7#
        • 2.Qh7#
      • 1...g4!
    • 1.Ke3?
      • 1...Kxh6
        • 2.Rh7#
        • 2.Qh7#
      • 1...g4!
    • 1.Kf3?
      • 1...Kxh6
        • 2.Rh7#
        • 2.Qh7#
      • 1...g4+!
    • 1.Kg3?
      • 1...Kxh6
        • 2.Rh7#
        • 2.Qh7#
      • 1...g4!
    • 1.Ra7?
      • 1...Kxh6
        • 2.Rh7#
        • 2.Qh7#
      • 1...g4!
    • 1.Rb7?
      • 1...Kxh6
        • 2.Rh7#
        • 2.Qh7#
      • 1...g4!
    • 1.Rc7?
      • 1...Kxh6
        • 2.Rh7#
        • 2.Qh7#
      • 1...g4!
    • 1.Rd7?
      • 1...Kxh6
        • 2.Rh7#
        • 2.Qh7#
      • 1...g4!
    • 1.Re7?
      • 1...Kxh6
        • 2.Rh7#
        • 2.Qh7#
      • 1...g4!
    • 1.Qf5?
      • 1...Kxh6
        • 2.Rh7#
        • 2.Qh7#
      • 1...Kh4!
    • 1.h7?
      • threat
        • 2.h8Q#
        • 2.h8R#
      • 1...Kh6
        • 2.h8Q#
        • 2.h8R#
      • 1...g4!
  • Keys
    • 1.Rg7!
      • 1...Kxh6
        • 2.Rh7#
        • 2.Qg6#
        • 2.Qh7#
      • 1...g4
        • 2.Qh1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Refutation
        • P(a);
    • Try
      • K(A);P-FLIGHT
      • Refutation
        • P(a);
    • Try
      • K(A);S_FLIGHT
      • Refutation
        • P(a);
    • Try
      • K(A);P-FLIGHT
      • Refutation
        • P(a);
    • Try
      • K(A);P-FLIGHT
      • Refutation
        • P(a);
    • Try
      • K(A);S_FLIGHT
      • Refutation
        • P(a);
    • Try
      • K(A);P-FLIGHT
      • Refutation
        • P(a);CHECK
    • Try
      • K(A);S_FLIGHT
      • Refutation
        • P(a);
    • Try
      • R(D);
      • Refutation
        • P(a);
    • Try
      • R(D);
      • Refutation
        • P(a);
    • Try
      • R(D);
      • Refutation
        • P(a);
    • Try
      • R(D);
      • Refutation
        • P(a);
    • Try
      • R(D);
      • Refutation
        • P(a);
    • Try
      • Q(B);P_PINP(a)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
    • Try
      • P(C);
      • Threat
        • P=Q
      • Vars
        • K(b);P-FLIGHT::P=Q
      • Refutation
        • P(a);
  • Actual
    • R(D);
    • Vars
      • P(a);::QAR(B)
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