MESON Chess Problem Database

Problem Display
PID: 203738 (8/3K3p/5P1P/2N1N1k1/3Pp1P1/5PR1/7P/6B1 w - - 0 1)

Magini, Fabio

Sinfonie Scacchistiche, 2017

8/3K3p/5P1P/2N1N1k1/3Pp1P1/5PR1/7P/6B1

#2

11 + 3

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Se6#
    • 1...Kxf6
      • 2.Sxe4#
    • 1...Kxh6
      • 2.Be3#
  • Tries
    • 1.Sxe4+?
      • 1...Kf4
        • 2.Sd3#
      • 1...Kxh6
        • 2.Be3#
        • 2.Rh3#
      • 1...Kh4!
    • 1.Be3+?
      • 1...Kxf6
        • 2.Sxe4#
      • 1...Kh4!
    • 1.f4+?
      • 1...Kxf4
        • 2.Se6#
        • 2.Be3#
      • 1...Kxf6
        • 2.Sxe4#
      • 1...Kxh6
        • 2.Rh3#
      • 1...Kh4!
  • Keys
    • 1.fxe4!
      • 1...Kf4
        • 2.Be3#
      • 1...Kh4
        • 2.Sf3#
      • 1...Kxf6
        • 2.g5#
      • 1...Kxh6
        • 2.Be3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::S(G)
    • K(b);S_FLIGHT,XP(I)::S(G),XP(a)
    • K(b);S_FLIGHT,XP(J)::B(A)
  • Tries
    • Try
      • S(G);CHECK,XP(a)
      • Vars
        • K(b);S_FLIGHT::S(H)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(A);CHECK
      • Vars
        • K(b);S_FLIGHT,XP(I)::S(G),XP(a)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(C);CHECK
      • Vars
        • K(b);S_FLIGHT,XP(I)::S(G),XP(a)
        • K(b);S_FLIGHT,XP(J)::R(D)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • P(C);XP(a)
    • Vars
      • K(b);S_FLIGHT::B(A)
      • K(b);S_FLIGHT::S(H)
      • K(b);OGATE,S_FLIGHT,XP(I)::P(F)
      • K(b);S_FLIGHT,XP(J)::B(A)
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