MESON Chess Problem Database

Problem Display
PID: 10975 (8/2K1p3/R4p2/2pk1n2/3P4/7B/2Q1P3/8 w - - 0 1)

Larsen, Peder Andreas

Illustrated Family Journal, 1886

8/2K1p3/R4p2/2pk1n2/3P4/7B/2Q1P3/8

#2

6 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Bxf5?
      • threat
        • 2.Qxc5#
      • 1...cxd4
        • 2.Ra5#
      • 1...c4
        • 2.Qe4#
      • 1...Kxd4!
  • Keys
    • 1.Re6!
      • 1...Kxd4
        • 2.Qd3#
      • 1...Kxe6
        • 2.Qc4#
      • 1...Sxd4
        • 2.e4#
      • 1...cxd4
        • 2.Qc6#
      • 1...Se3
        • 2.Qxc5#
      • 1...Sg3
        • 2.Qxc5#
      • 1...Sh4
        • 2.Qxc5#
      • 1...Sd6
        • 2.Qxc5#
      • 1...Sh6
        • 2.Qxc5#
      • 1...Sg7
        • 2.Qxc5#
      • 1...c4
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);XS(c)
      • Threat
        • QAR1(A),XP(a)
      • Vars
        • P(a);OGATEB,SBLOCK,XP(D)::R(E)
        • P(a);SBLOCK::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT,XP(D)
  • Actual
    • R(E);
    • Vars
      • K(b);OGATEB,P-FLIGHT,XP(D)::QAR1(A)
      • K(b);P_SPINS(c),S_FLIGHT,XR(E)::QAB(A)
      • S(c);SBLOCK,XP(D)::P(B)
      • P(a);OGATE,SBLOCK,XP(D)::QAB1(A)
      • S(c);::QAR1(A),XP(a)
      • P(a);SBLOCK::QAB1(A)
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