MESON Chess Problem Database

Problem Display
PID: 58218 (8/5K2/8/4pR2/1P1k4/8/6B1/2Q5 w - - 0 1)

Makaronets, Leonid

Scacco!, 1997

8/5K2/8/4pR2/1P1k4/8/6B1/2Q5

#2

5 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Ke6?
      • 1...e4
        • 2.Rd5#
      • 1...Kd3!
    • 1.Bc6?
      • 1...e4
        • 2.Rd5#
      • 1...Kd3!
    • 1.Bb7?
      • 1...e4
        • 2.Rd5#
      • 1...Kd3!
    • 1.Ba8?
      • 1...e4
        • 2.Rd5#
      • 1...Kd3!
  • Keys
    • 1.Rf3!
      • 1...Ke4
        • 2.Qc4#
      • 1...Kd5
        • 2.Rd3#
      • 1...e4
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(E);S_FLIGHT
      • Vars
        • P(b);OGATE::R1(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(B);
      • Vars
        • P(b);OGATE,SBLOCK::R1(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(B);
      • Vars
        • P(b);OGATE,SBLOCK::R1(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(B);
      • Vars
        • P(b);OGATE,SBLOCK::R1(D)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • R(D);
    • Vars
      • K(a);P-FLIGHT::QAR2(A)
      • K(a);P-FLIGHT::B(B)+R(D),DCHECK
      • P(b);SBLOCK::QAB1(A)
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