MESON Chess Problem Database

Problem Display
PID: 108713 (8/8/1kP5/1P6/K4Q2/4R3/8/4B3 w - - 0 1)

Kruk, Henryk

Szachy, 1978

8/8/1kP5/1P6/K4Q2/4R3/8/4B3

#2

6 + 1

5454 Near Snap 2009
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Bc3?
      • threat
        • 2.Bd4#
      • 1...Kc5
        • 2.Qd4#
      • 1...Ka7!
    • 1.Bg3?
      • threat
        • 2.Qd4#
      • 1...Ka7
        • 2.Qb8#
      • 1...Kc5!
    • 1.Rd3?
      • threat
        • 2.Bf2#
      • 1...Kc5
        • 2.Bf2#
        • 2.Qd4#
      • 1...Ka7!
    • 1.Re8?
      • threat
        • 2.Bf2#
      • 1...Ka7
        • 2.Bf2#
        • 2.Qe3#
        • 2.Qc7#
        • 2.Qb8#
        • 2.Qf2#
        • 2.Qd4#
      • 1...Kc5!
    • 1.Qf8?
      • 1...Kc7
        • 2.Ba5#
      • 1...Ka7!
  • Keys
    • 1.Bf2!
      • threat
        • 2.Re1#
        • 2.Re2#
        • 2.Ra3#
        • 2.Rb3#
        • 2.Rc3#
        • 2.Rd3#
        • 2.Rf3#
        • 2.Rg3#
        • 2.Rh3#
        • 2.Re4#
        • 2.Re6#
        • 2.Re7#
        • 2.Re8#
      • 1...Kc5
        • 2.Rd3#
      • 1...Ka7
        • 2.Re8#

Anticipated by 79213(1975)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Threat
        • B(A)
      • Vars
        • K(a);S_FLIGHT::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Threat
        • QAB(D)
      • Vars
        • K(a);S_FLIGHT::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Threat
        • B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Threat
        • B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(A);
    • Threat
      • DUALS(13)
    • Vars
      • K(a);S_FLIGHT::B(A)+R(B)
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