MESON Chess Problem Database

Problem Display
PID: 227447 (K7/8/1R2p3/3k4/8/8/3NP3/6Q1 w - - 0 1)

Livanec, V

Rude Pravo, 1926

K7/8/1R2p3/3k4/8/8/3NP3/6Q1

#2

5 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...e5
      • 2.e4#
  • Tries
    • 1.Ka7?
      • 1...e5
        • 2.e4#
      • 1...Ke5!
    • 1.Kb7?
      • 1...e5
        • 2.e4#
      • 1...Ke5!
    • 1.Kb8?
      • 1...e5
        • 2.e4#
      • 1...Ke5!
    • 1.Ra6?
      • 1...e5
        • 2.e4#
      • 1...Ke5!
    • 1.Qf2?
      • 1...e5
        • 2.e4#
      • 1...Ke5!
  • Keys
    • 1.e3!
      • 1...Kc5
        • 2.e4#
      • 1...Ke5
        • 2.Qg5#
      • 1...e5
        • 2.e4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK::P(C)
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Vars
        • P(b);SBLOCK::P(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(E);S_FLIGHT
      • Vars
        • P(b);SBLOCK::P(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(E);P-FLIGHT
      • Vars
        • P(b);SBLOCK::P(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(D);
      • Vars
        • P(b);SBLOCK::P(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • P(b);SBLOCK::P(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • P(C);
    • Vars
      • K(a);P-FLIGHT::QAB(A)+P(C)
      • K(a);P-FLIGHT::QAR2(A)
      • P(b);SBLOCK::P(C)
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