MESON Chess Problem Database

Problem Display
PID: 12145 (8/1N6/4P3/7Q/2pk4/8/K4N2/8 w - - 0 1)

di Vincenzi, Renato

Unpublished, 1975

8/1N6/4P3/7Q/2pk4/8/K4N2/8

#2

5 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...c3
      • 2.Qc5#
  • Tries
    • 1.Qf3?
      • 1...c3
        • 2.Qe4#
      • 1...Ke5!
    • 1.Qa5?
      • 1...c3
        • 2.Qc5#
      • 1...Ke3!
    • 1.Qb5?
      • 1...Kc3
        • 2.Qb2#
      • 1...c3
        • 2.Qc5#
      • 1...Ke3!
    • 1.Qg5?
      • 1...c3
        • 2.Qc5#
      • 1...Kc3!
  • Keys
    • 1.Qe2!
      • 1...Kc3
        • 2.Qb2#
      • 1...Kd5
        • 2.Qe4#
      • 1...c3
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(a);::QAB1(C)
  • Tries
    • Try
      • Q(C);
      • Vars
        • P(a);SBLOCK::QAR1(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • P(a);::QAB1(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(b);S_FLIGHT::QAB1(C)
        • P(a);::QAB1(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • P(a);::QAB1(C)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(b);S_FLIGHT::QAB1(C)
      • K(b);P-FLIGHT::QAB1(C)
      • P(a);SBLOCK::QAR1(C)
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