MESON Chess Problem Database

Problem Display
PID: 247360 (8/K2p1p2/3P1P1P/3PkP1P/7R/8/3B1N2/3Q1R2 w - - 0 1)

Bie, Hans Petter

Stella Polaris, 1967

8/K2p1p2/3P1P1P/3PkP1P/7R/8/3B1N2/3Q1R2

#2

12 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf5
      • 2.Sd3#
    • 1...Kxf6
      • 2.Sg4#
  • Tries
    • 1.Bc1?
      • 1...Kxf5
        • 2.Sd3#
      • 1...Kxf6
        • 2.Sg4#
      • 1...Kxd6!
    • 1.Bc3+?
      • 1...Kxf5
        • 2.Sh3#
        • 2.Se4#
        • 2.Qg4#
      • 1...Kxd6!
    • 1.Be3?
      • 1...Kxf5
        • 2.Sd3#
      • 1...Kxf6
        • 2.Sg4#
      • 1...Kxd6!
    • 1.Rc4?
      • 1...Kxf5
        • 2.Sd3#
        • 2.Sg4#
      • 1...Kxd6
        • 2.Bf4#
      • 1...Kxf6
        • 2.Sg4#
      • 1...Kxd5!
    • 1.Qb3?
      • 1...Kxf5
        • 2.Sd3#
      • 1...Kxf6
        • 2.Sg4#
      • 1...Kxd6!
    • 1.Qf3?
      • 1...Kxf6
        • 2.Sg4#
      • 1...Kxd6!
  • Keys
    • 1.Kb6!
      • 1...Kxd5
        • 2.Bc3#
      • 1...Kxf5
        • 2.Sd3#
      • 1...Kxd6
        • 2.Bf4#
      • 1...Kxf6
        • 2.Sg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT,XP(G)::R(B)+S(D)
    • K(a);S_FLIGHT,XP(J)::S(D)
  • Tries
    • Try
      • B(C);
      • Vars
        • K(a);P-FLIGHT,XP(G)::R(B)+S(D)
        • K(a);S_FLIGHT,XP(J)::S(D)
      • Refutation
        • K(a);S_FLIGHT,XP(I)
    • Try
      • B(C);CHECK
      • Refutation
        • K(a);S_FLIGHT,XP(I)
    • Try
      • B(C);
      • Vars
        • K(a);P-FLIGHT,XP(G)::R(B)+S(D)
        • K(a);S_FLIGHT,XP(J)::S(D)
      • Refutation
        • K(a);S_FLIGHT,XP(I)
    • Try
      • R(E);
      • Vars
        • K(a);S_FLIGHT,XP(I)::B(C)
        • K(a);S_FLIGHT,XP(J)::S(D)
      • Refutation
        • K(a);P-FLIGHT,XP(F)
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT,XP(G)::R(B)+S(D)
        • K(a);S_FLIGHT,XP(J)::S(D)
      • Refutation
        • K(a);S_FLIGHT,XP(I)
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT,XP(J)::S(D)
      • Refutation
        • K(a);S_FLIGHT,XP(I)
  • Actual
    • K(L);S_FLIGHT
    • Vars
      • K(a);P-FLIGHT,XP(F)::QAR(A)+B(C)
      • K(a);P-FLIGHT,XP(G)::R(B)+S(D)
      • K(a);S_FLIGHT,XP(I)::B(C)
      • K(a);S_FLIGHT,XP(J)::S(D)
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