MESON Chess Problem Database

Problem Display
PID: 241712 (5K2/8/5P2/4p1kP/4P3/QR6/3R4/3B4 w - - 0 1)

Mlynka, Karol

Pat a Mat, 2013

5K2/8/5P2/4p1kP/4P3/QR6/3R4/3B4

#2

8 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf6
      • 2.Qe7#
  • Tries
    • 1.Rg2+?
      • 1...Kf4
        • 2.Rg4#
      • 1...Kh4
        • 2.Rh3#
      • 1...Kxf6
        • 2.Rg6#
        • 2.Rb6#
        • 2.Qd6#
        • 2.Qe7#
        • 2.Qa6#
      • 1...Kh6!
    • 1.Rg3+?
      • 1...Kf4
        • 2.Rg4#
        • 2.Qe3#
        • 2.Qf3#
      • 1...Kh4
        • 2.Rh2#
      • 1...Kxf6
        • 2.Rd6#
        • 2.Rg6#
        • 2.Qd6#
        • 2.Qe7#
        • 2.Qa6#
      • 1...Kh6!
    • 1.Rh3?
      • 1...Kf4
        • 2.Qe3#
      • 1...Kxf6
        • 2.Qe7#
      • 1...Kh6!
    • 1.Qe7?
      • 1...Kh4
        • 2.f7#
      • 1...Kh6
        • 2.Qg7#
      • 1...Kf4!
    • 1.Qa7?
      • 1...Kf4
        • 2.Qe3#
      • 1...Kxf6
        • 2.Qe7#
      • 1...Kh6
        • 2.Qg7#
      • 1...Kh4!
  • Keys
    • 1.Qc1!
      • 1...Kf4
        • 2.Rd4#
      • 1...Kh4
        • 2.Rh2#
      • 1...Kxf6
        • 2.Rd6#
      • 1...Kh6
        • 2.Rd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(b);OGATEB,S_FLIGHT,XP(G)::QAB1(C)
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • K(b);S_FLIGHT::R1(B)
        • K(b);S_FLIGHT::R1(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(D);CHECK
      • Vars
        • K(b);S_FLIGHT::R(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(D);
      • Vars
        • K(b);S_FLIGHT::QAB1(C)
        • K(b);OGATEB,S_FLIGHT,XP(G)::QAB1(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(b);S_FLIGHT::QAB(C)+P(G)
        • K(b);S_FLIGHT::QAB1(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(b);S_FLIGHT::QAB1(C)
        • K(b);OGATEB,S_FLIGHT,XP(G)::QAB1(C)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(b);S_FLIGHT::QAB(C)+R(B)
      • K(b);S_FLIGHT::R(B)
      • K(b);S_FLIGHT,XP(G)::R(B)
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