MESON Chess Problem Database

Problem Display
PID: 166047 (1Q6/8/8/1R6/p1K5/B7/2kp4/8 w - - 0 1)

Ouellet, Charles

Die Schwalbe, 2017

1Q6/8/8/1R6/p1K5/B7/2kp4/8

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Qg3?
      • 1...d1Q
        • 2.Qc3#
      • 1...d1S
        • 2.Qd3#
      • 1...d1B
        • 2.Qc3#
        • 2.Qd3#
      • 1...d1R
        • 2.Qc3#
      • 1...Kd1!
    • 1.Qf4?
      • 1...d1Q
        • 2.Rb2#
      • 1...d1S
        • 2.Qc1#
      • 1...d1B
        • 2.Rb2#
        • 2.Qc1#
      • 1...d1R
        • 2.Rb2#
      • 1...Kd1!
    • 1.Qe5?
      • 1...d1Q
        • 2.Qb2#
        • 2.Qc3#
      • 1...d1S
        • 2.Qe2#
      • 1...d1B
        • 2.Qb2#
        • 2.Qc3#
      • 1...d1R
        • 2.Qb2#
        • 2.Qc3#
      • 1...Kd1!
  • Keys
    • 1.Re5!
      • 1...Kd1
        • 2.Qb1#
      • 1...d1Q
        • 2.Qb2#
      • 1...d1S
        • 2.Re2#
      • 1...d1B
        • 2.Qb2#
      • 1...d1R
        • 2.Qb2#

This is after

After S Podushkin.

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);
      • Vars
        • P(b);SBLOCK::QAR1(D)
        • P(b);::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);
      • Vars
        • P(b);SBLOCK::R1(C)
        • P(b);OGATE::QAR1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);
      • Vars
        • P(b);OGATEB::QAR2(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(C);
    • Vars
      • K(a);S_FLIGHT::QAR2(D)
      • P(b);SBLOCK::QAR1(D)
      • P(b);OGATEB,SBLOCK::R(C)
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