MESON Chess Problem Database

Problem Display
PID: 183996 (8/8/2Q5/2nN4/2kp4/8/K2R4/8 w - - 0 1)

Pavlenko, Ksenia

Kudesnik, 2018

8/8/2Q5/2nN4/2kp4/8/K2R4/8

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Rb2?
      • 1...d3
        • 2.Rb4#
      • 1...Kd3!
    • 1.Rf2?
      • 1...d3
        • 2.Rf4#
      • 1...Kd3!
    • 1.Rg2?
      • 1...d3
        • 2.Rg4#
      • 1...Kd3!
    • 1.Rh2?
      • 1...d3
        • 2.Rh4#
      • 1...Kd3!
  • Keys
    • 1.Re2!
      • 1...Kd3
        • 2.Qb5#
      • 1...d3
        • 2.Re4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Vars
        • P(b);SBLOCK::R1(B)
      • Refutation
        • K(a);N_SPINS(c),S_FLIGHT
    • Try
      • R(B);
      • Vars
        • P(b);OGATEB,SBLOCK::R(B)
      • Refutation
        • K(a);N_SPINS(c),S_FLIGHT
    • Try
      • R(B);
      • Vars
        • P(b);OGATEB,SBLOCK::R(B)
      • Refutation
        • K(a);N_SPINS(c),S_FLIGHT
    • Try
      • R(B);
      • Vars
        • P(b);OGATEB,SBLOCK::R(B)
      • Refutation
        • K(a);N_SPINS(c),S_FLIGHT
  • Actual
    • R(B);
    • Vars
      • K(a);N_SPINS(c),S_FLIGHT::QAB(D)
      • P(b);OGATEB,SBLOCK::R(B)
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