MESON Chess Problem Database

Problem Display
PID: 271241 (7k/7P/8/4p1p1/2K1B1R1/8/5B2/2Q4R w - - 0 1)

Juk, Aleksandr I

Kirillov, Stanislav Vasilovich

Buletin Problemistic, 1995

7k/7P/8/4p1p1/2K1B1R1/8/5B2/2Q4R

#2

7 + 3

15601 Albrecht-Leiss-Degener Collection 2023

SOLUTION

  • SOUND
  • Tries
    • 1.Bh4?
      • 1...gxh4
        • 2.Rg8#
      • 1...Kg7!
    • 1.Bb1?
      • 1...e4
        • 2.Bd4#
        • 2.Qb2#
        • 2.Qc3#
      • 1...Kg7!
    • 1.Bc2?
      • 1...e4
        • 2.Bd4#
        • 2.Qb2#
        • 2.Qa1#
      • 1...Kg7!
    • 1.Bg2?
      • 1...e4
        • 2.Bd4#
        • 2.Qb2#
        • 2.Qa1#
        • 2.Qc3#
      • 1...Kg7!
    • 1.Bd3?
      • 1...e4
        • 2.Bd4#
        • 2.Qb2#
        • 2.Qa1#
        • 2.Qc3#
      • 1...Kg7!
    • 1.Bf3?
      • 1...e4
        • 2.Bd4#
        • 2.Qb2#
        • 2.Qa1#
        • 2.Qc3#
      • 1...Kg7!
    • 1.Bd5?
      • 1...e4
        • 2.Bd4#
        • 2.Qb2#
        • 2.Qa1#
        • 2.Qc3#
      • 1...Kg7!
    • 1.Bf5?
      • 1...e4
        • 2.Bd4#
        • 2.Qb2#
        • 2.Qa1#
        • 2.Qc3#
      • 1...Kg7!
    • 1.Bc6?
      • 1...e4
        • 2.Bd4#
        • 2.Qb2#
        • 2.Qa1#
        • 2.Qc3#
      • 1...Kg7!
    • 1.Bg6?
      • 1...e4
        • 2.Bd4#
        • 2.Qb2#
        • 2.Qa1#
        • 2.Qc3#
      • 1...Kg7!
    • 1.Bb7?
      • 1...e4
        • 2.Bd4#
        • 2.Qb2#
        • 2.Qa1#
        • 2.Qc3#
      • 1...Kg7!
    • 1.Ba8?
      • 1...e4
        • 2.Bd4#
        • 2.Qb2#
        • 2.Qa1#
        • 2.Qc3#
      • 1...Kg7!
    • 1.Rhh4?
      • 1...gxh4
        • 2.Rg8#
      • 1...Kg7!
  • Keys
    • 1.Qf4!
      • threat
        • 2.Qxe5#
        • 2.Qf6#
        • 2.Qf8#
      • 1...Kg7
        • 2.h8Q#
      • 1...exf4
        • 2.Bd4#
      • 1...gxf4
        • 2.Rg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);
      • Vars
        • P(b);OGATE,XB(C)::R1(F)
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT
    • Try
      • B(E);
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT
    • Try
      • B(E);
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT
    • Try
      • B(E);
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT
    • Try
      • B(E);
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT
    • Try
      • B(E);
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT
    • Try
      • B(E);
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT
    • Try
      • B(E);
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT
    • Try
      • B(E);
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT
    • Try
      • B(E);
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(E);
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT
    • Try
      • B(E);
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT
    • Try
      • R(B);
      • Vars
        • P(b);OGATE,XR(B)::R1(F)
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • DUALS(3)
    • Vars
      • K(c);OGATE,P_SPINP(b),S_FLIGHT::P=Q
      • P(a);OGATEB,XQ(A)::B(C)
      • P(b);OGATE,XQ(A)::R1(F)
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