MESON Chess Problem Database

Problem Display
PID: 257807 (8/1N6/8/3k4/8/2K4B/6RB/2Q5 w - - 0 1)

Shmatov, Vladimir Afanasievich

Buletin Problemistic, 1994

8/1N6/8/3k4/8/2K4B/6RB/2Q5

#2

6 + 1

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Rb2?
      • threat
        • 2.Qh1#
      • 1...Kc6
        • 2.Kd4#
        • 2.Qh1#
      • 1...Ke4!
    • 1.Rf2?
      • threat
        • 2.Qh1#
      • 1...Ke4
        • 2.Bg2#
      • 1...Kc6!
    • 1.Rg5+?
      • 1...Ke4
        • 2.Bg2#
        • 2.Qf4#
      • 1...Kc6!
    • 1.Qd2+?
      • 1...Ke4
        • 2.Qd3#
      • 1...Kc6!
    • 1.Qd1+?
      • 1...Ke4
        • 2.Qd3#
      • 1...Kc6!
    • 1.Qf1?
      • threat
        • 2.Qc4#
        • 2.Qf3#
      • 1...Ke4
        • 2.Qd3#
      • 1...Kc6!
  • Keys
    • 1.Qh1!
      • threat
        • 2.Rg1#
        • 2.Ra2#
        • 2.Rb2#
        • 2.Rc2#
        • 2.Rd2#
        • 2.Re2#
        • 2.Rf2#
        • 2.Rg5#
        • 2.Rg6#
        • 2.Rg7#
        • 2.Rg8#
      • 1...Ke4
        • 2.Re2#
      • 1...Kc6
        • 2.Rb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Threat
        • QAB(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Threat
        • QAB(A)
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • DUALS(11)
    • Vars
      • K(a);S_FLIGHT::QAB(A)+R(B),DCHECK
      • K(a);S_FLIGHT::QAB(A)+R(B)
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