MESON Chess Problem Database

Problem Display
PID: 183068 (R7/8/8/8/p7/1B6/P1p5/k1K5 w - - 0 1)

Kapustin, Fedor Mikhailovich

Kudesnik, 2017

R7/8/8/8/p7/1B6/P1p5/k1K5

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...axb3
      • 2.axb3#
  • Tries
    • 1.Kxc2?
      • 1...axb3+
        • 2.axb3#
      • 1...a3!
    • 1.Bxc2?
      • 1...Kxa2
        • 2.Rxa4#
      • 1...a3!
    • 1.Ra5?
      • 1...axb3
        • 2.axb3#
      • 1...a3!
    • 1.Ra6?
      • 1...axb3
        • 2.axb3#
      • 1...a3!
    • 1.Ra7?
      • 1...axb3
        • 2.axb3#
      • 1...a3!
  • Keys
    • 1.Bxa4!
      • 1...Kxa2
        • 2.Bxc2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • P(c);OGATE,XB(C)::R(D)+P(B),XP(c)
  • Tries
    • Try
      • K(A);P-FLIGHT,XP(b)
      • Vars
        • P(c);CHECK,OGATE,XB(C)::R(D)+P(B),XP(c)
      • Refutation
        • P(c);
    • Try
      • B(C);XP(b)
      • Vars
        • K(a);OGATEB,P-FLIGHT,P_SPINP(c),XP(B)::R(D),XP(c)
      • Refutation
        • P(c);
    • Try
      • R(D);
      • Vars
        • P(c);OGATE,XB(C)::R(D)+P(B),XP(c)
      • Refutation
        • P(c);
    • Try
      • R(D);
      • Vars
        • P(c);OGATE,XB(C)::R(D)+P(B),XP(c)
      • Refutation
        • P(c);
    • Try
      • R(D);
      • Vars
        • P(c);OGATE,XB(C)::R(D)+P(B),XP(c)
      • Refutation
        • P(c);
  • Actual
    • B(C);XP(c)
    • Vars
      • K(a);OGATEB,P-FLIGHT,XP(B)::R(D)+B(C),XP(b)
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