MESON Chess Problem Database

Problem Display
PID: 61713 (1K5n/5b2/5PpB/1N1Pk1N1/R3B1P1/4R1b1/2ppnQP1/3q4 w - - 0 1)

Shire, David J

Comm., Die Schwalbe, 2005

1K5n/5b2/5PpB/1N1Pk1N1/R3B1P1/4R1b1/2ppnQP1/3q4

#2

12 + 9

23 Die Schwalbe 2007
56 The Problemist 2007

SOLUTION

  • SOUND
  • Tries
    • 1.Bg7?
      • threat
        • 2.Bf3#
      • 1...Bxd5
        • 2.f7#
      • 1...Bf4
        • 2.Sf3#
      • 1...Sc3
        • 2.Qxg3#
      • 1...Sd4
        • 2.Qxg3#
      • 1...Bxf2!
  • Keys
    • 1.Ra6!
      • threat
        • 2.Sf3#
      • 1...Be6
        • 2.Rxe6#
      • 1...Sc1
        • 2.Qxg3#
      • 1...Sg1
        • 2.Qxg3#
      • 1...Sc3
        • 2.Qxg3#
      • 1...Sd4
        • 2.Qxg3#
      • 1...Sf4
        • 2.Bf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(K);
      • Threat
        • R(C)+B(E)
      • Vars
        • B(h);OGATE,XP(H)::B(K)+P(J)
        • B(e);SBLOCK::S(I)
        • S(d);N_GUARD::QAB(A),XB(e)
      • Refutation
        • B(e);XQ(A)
  • Actual
    • R(D);
    • Threat
      • S(I)
    • Vars
      • B(h);N_GUARD::R1(D),XB(h)
      • S(d);N_GUARD::QAB(A),XB(e)
      • S(d);SBLOCK::R(C)+B(E)
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