MESON Chess Problem Database

Problem Display
PID: 12315 (8/R7/8/8/2k5/K3Q2B/8/8 w - - 0 1)

Kwiatkowski, Vitaly I

Shakhmaty, 1977

8/R7/8/8/2k5/K3Q2B/8/8

#2

4 + 1

3296 Shakhmatny zadachi miniaturi 1987
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Ra4+?
      • 1...Kb5
        • 2.Bd7#
      • 1...Kd5!
    • 1.Qd4+?
      • 1...Kb5
        • 2.Bd7#
      • 1...Kxd4!
  • Keys
    • 1.Ra6!
      • 1...Kb5
        • 2.Bf1#
      • 1...Kd5
        • 2.Be6#

Anticipated by 201343(1922), 176177(1962), 12121(1975)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • K(a);S_FLIGHT::B(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);S_FLIGHT::B(C)
      • Refutation
        • K(a);P-FLIGHT,XQ(B)
  • Actual
    • R(D);
    • Vars
      • K(a);S_FLIGHT::B(C)
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