MESON Chess Problem Database

Problem Display
PID: 31727 (8/1P1N1p2/P1k2K2/8/4P1B1/2N5/8/2R5 w - - 0 1)

Rowland, Frideswide F (Mrs TB, nee Beechey)

Croydon Guardian, 0000

8/1P1N1p2/P1k2K2/8/4P1B1/2N5/8/2R5

#2

8 + 2

3467 Chess Blossoms 1883
1829 The Theory of Pawn Promotion 1912

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6
      • 2.Sb5#
  • Tries
    • 1.Kxf7?
      • 1...Kd6
        • 2.Sb5#
      • 1...Kc7!
    • 1.Sb1+?
      • 1...Kd6
        • 2.b8Q#
        • 2.b8B#
      • 1...Kb5!
    • 1.Sd1+?
      • 1...Kd6
        • 2.b8Q#
        • 2.b8B#
      • 1...Kb5!
    • 1.Sa2+?
      • 1...Kd6
        • 2.b8Q#
        • 2.b8B#
      • 1...Kb5!
    • 1.Se2+?
      • 1...Kd6
        • 2.b8Q#
        • 2.b8B#
      • 1...Kb5!
    • 1.Sa4+?
      • 1...Kd6
        • 2.b8Q#
        • 2.b8B#
      • 1...Kb5!
    • 1.Sd5+?
      • 1...Kd6
        • 2.b8Q#
        • 2.b8B#
      • 1...Kb5!
    • 1.Bh3?
      • 1...Kd6
        • 2.Sb5#
      • 1...Kc7!
    • 1.Bf5?
      • 1...Kd6
        • 2.Sb5#
      • 1...Kc7!
    • 1.Rc2?
      • 1...Kd6
        • 2.Sb5#
      • 1...Kc7!
    • 1.b8S+?
      • 1...Kd6
        • 2.Sb5#
      • 1...Kc7!
  • Keys
    • 1.b8R!
      • threat
        • 2.Sb5#
      • 1...Kd6
        • 2.Sb5#
      • 1...Kc7
        • 2.Sb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::S(B)
  • Tries
    • Try
      • K(F);P-FLIGHT,XP(b)
      • Vars
        • K(a);P-FLIGHT::S(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);CHECK
      • Vars
        • K(a);P-FLIGHT::P=Q
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);CHECK
      • Vars
        • K(a);P-FLIGHT::P=Q
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);CHECK
      • Vars
        • K(a);P-FLIGHT::P=Q
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);CHECK
      • Vars
        • K(a);P-FLIGHT::P=Q
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);CHECK
      • Vars
        • K(a);P-FLIGHT::P=Q
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);CHECK
      • Vars
        • K(a);P-FLIGHT::P=Q
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);P-FLIGHT::S(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);P-FLIGHT::S(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);P-FLIGHT::S(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • P(G);CHECK
      • Vars
        • K(a);P-FLIGHT::S(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • P(G);
    • Threat
      • R(A)+S(B)
    • Vars
      • K(a);P-FLIGHT::S(B)
      • K(a);P-FLIGHT::R(A)+S(B),DCHECK
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