MESON Chess Problem Database

Problem Display
PID: 271187 (8/K4P2/B1pk4/8/3N4/3N4/5Q2/3R4 w - - 0 1)

Shajgarovski, Svetlin Ivanov

Pat a Mat, 1993

8/K4P2/B1pk4/8/3N4/3N4/5Q2/3R4

#2

7 + 2

15601 Albrecht-Leiss-Degener Collection 2023

SOLUTION

  • SOUND
  • Tries
    • 1.Qf6+?
      • 1...Kd5
        • 2.Qe5#
      • 1...Kc7
        • 2.Qe7#
      • 1...Kd7!
    • 1.f8Q+?
      • 1...Kc7
        • 2.Qe7#
        • 2.Q2f7#
      • 1...Kd7
        • 2.Q2f7#
      • 1...Kd5!
  • Keys
    • 1.Sc5!
      • 1...Kxc5
        • 2.Sc2#
      • 1...Kd5
        • 2.Sf3#
      • 1...Ke5
        • 2.Sxc6#
      • 1...Kc7
        • 2.Sde6#
      • 1...Ke7
        • 2.f8Q#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);N_GUARD,P-FLIGHT::QAR1(B)
        • K(b);N_GUARD,S_FLIGHT::QAR2(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • P(G);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR2(B)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • S(C);
    • Vars
      • K(b);N_GUARD,S_FLIGHT,XS(C)::QAB(B)+S(D)
      • K(b);N_GUARD,P-FLIGHT::R(A)+S(D)
      • K(b);N_GUARD,S_FLIGHT::S(D),XP(a)
      • K(b);N_GUARD,S_FLIGHT::S(D)
      • K(b);N_GUARD,S_FLIGHT::P=Q
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