MESON Chess Problem Database

Problem Display
PID: 244679 (8/8/8/8/5Q1p/3k3B/8/R3K3 w - - 0 1)

Chernyavsky, Mykola Vasilovich

Sem Shakhmatnikh not, 2017

8/8/8/8/5Q1p/3k3B/8/R3K3

#2

4 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Be6?
      • 1...Kc2
        • 2.Qd2#
      • 1...Kc3
        • 2.Qd2#
      • 1...h3!
    • 1.Qa4?
      • threat
        • 2.Ra3#
      • 1...Ke3
        • 2.Ra3#
      • 1...Kc3!
    • 1.Qc4+?
      • 1...Ke3
        • 2.Ra3#
      • 1...Kxc4!
  • Keys
    • 1.Qb4!
      • 1...Kc2
        • 2.Bf5#
      • 1...Ke3
        • 2.Ra3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(D)
        • K(a);P-FLIGHT::QAB1(D)
      • Refutation
        • P(b);
    • Try
      • Q(D);
      • Threat
        • R(A)
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);S_FLIGHT,XQ(D)
  • Actual
    • Q(D);
    • Vars
      • K(a);S_FLIGHT::B(C)
      • K(a);P-FLIGHT::R(A)
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