MESON Chess Problem Database

Problem Display
PID: 132112 (8/8/3P3R/K2k4/4N3/6Q1/8/7B w - - 0 1)

Marchand, Andre

Meson, 2009

8/8/3P3R/K2k4/4N3/6Q1/8/7B

#2

6 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.Sd2+?
      • 1...Kc5
        • 2.Qf2#
        • 2.Qe5#
        • 2.Qg1#
        • 2.Qc3#
        • 2.Qe3#
      • 1...Kd4!
    • 1.Rh5+?
      • 1...Kc4
        • 2.Qc3#
      • 1...Kd4
        • 2.Qc3#
      • 1...Kc6
        • 2.Sc5#
        • 2.Sf6#
      • 1...Ke6!
    • 1.Qd3+?
      • 1...Kc6
        • 2.Qb5#
      • 1...Ke5!
  • Keys
    • 1.Qe3!
      • threat
        • 2.Sd2#
        • 2.Qc5#
      • 1...Kc4
        • 2.Sd2#
      • 1...Ke5
        • 2.Sg3#
      • 1...Kc6
        • 2.Sc5#

This is a version of 24219

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(F);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(B);
    • Threat
      • DUALS(2)
    • Vars
      • K(a);S_FLIGHT::S(C)
      • K(a);P-FLIGHT::QAR(B)+S(C)
      • K(a);S_FLIGHT::B(A)+S(C)
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