MESON Chess Problem Database

Problem Display
PID: 215938 (8/1R6/R7/7B/2kB4/8/2N5/2K5 w - - 0 1)

Piliczewski, Bogusz

The Problemist, 2019

8/1R6/R7/7B/2kB4/8/2N5/2K5

#2

6 + 1

5454 Near Snap 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sb4?
      • 1...Kb3
        • 2.Bf7#
      • 1...Kxd4!
    • 1.Rc6+?
      • 1...Kd5
        • 2.Bf3#
      • 1...Kd3!
    • 1.Re6?
      • 1...Kd3
        • 2.Be2#
      • 1...Kd5!
    • 1.Rb3?
      • threat
        • 2.Bf7#
      • 1...Kxb3
        • 2.Bf7#
      • 1...Kd5!
    • 1.Rb4+?
      • 1...Kd5
        • 2.Bf3#
      • 1...Kd3!
    • 1.Rb5?
      • threat
        • 2.Be2#
      • 1...Kxb5
        • 2.Be2#
      • 1...Kd3!
    • 1.Rc7+?
      • 1...Kb3
        • 2.Bf7#
        • 2.Ra3#
        • 2.Rc3#
      • 1...Kb5
        • 2.Be2#
      • 1...Kd5
        • 2.Bf3#
      • 1...Kd3!
    • 1.Rd7?
      • 1...Kb3
        • 2.Bf7#
      • 1...Kb5
        • 2.Be2#
      • 1...Kd3!
  • Keys
    • 1.Re7!
      • 1...Kb3
        • 2.Bf7#
      • 1...Kd3
        • 2.Be2#
      • 1...Kb5
        • 2.Be2#
      • 1...Kd5
        • 2.Bf7#

Anticipated by 48622(0000), 2847(1890), 150335(1924), 163326(1926), 209843(1978)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::B(D)
      • Refutation
        • K(a);P-FLIGHT,XB(C)
    • Try
      • R(E);CHECK
      • Vars
        • K(a);S_FLIGHT::B(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);S_FLIGHT::B(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);
      • Threat
        • B(D)
      • Vars
        • K(a);S_FLIGHT,XR(F)::B(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);CHECK
      • Vars
        • K(a);S_FLIGHT::B(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);
      • Threat
        • B(D)
      • Vars
        • K(a);S_FLIGHT,XR(F)::B(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);CHECK
      • Vars
        • K(a);S_FLIGHT::B(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);
      • Vars
        • K(a);S_FLIGHT::B(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(F);
    • Vars
      • K(a);S_FLIGHT::B(D)
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