MESON Chess Problem Database

Problem Display
PID: 153380 (2n5/1pKp4/7Q/2k5/R7/8/8/8 w - - 0 1)

Albert, Bernard

3rd Prize, Good Companions (January Meredith Ty.), 1916

2n5/1pKp4/7Q/2k5/R7/8/8/8

#2

3 + 4

5454 Near Snap 2015

SOLUTION

  • SOUND
  • Tries
    • 1.Qc1+?
      • 1...Kb5
        • 2.Qc4#
      • 1...Kd5!
    • 1.Qd6+?
      • 1...Kb5
        • 2.Qb4#
      • 1...Sxd6!
  • Keys
    • 1.Qf4!
      • threat
        • 2.Qc4#
      • 1...Kb5
        • 2.Qb4#
        • 2.Qc4#
      • 1...Kd5
        • 2.Qf5#
      • 1...Sb6
        • 2.Ra5#
      • 1...Sd6
        • 2.Qe5#
      • 1...b5
        • 2.Qd4#
      • 1...d5
        • 2.Qb4#

This anticipates 23006(1930)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);OGATE,P-FLIGHT::QAR1(B)
      • Refutation
        • S(d);XQ(B)
  • Actual
    • Q(B);
    • Threat
      • QAR1(B)
    • Vars
      • K(a);P-FLIGHT::QAR2(B)
      • S(d);S_CUTP(b)::R(A)
      • S(d);S_CUTP(c)::QAR2(B)
      • P(b);SBLOCK::QAB1(B)
      • P(c);SBLOCK::QAB1(B)
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