MESON Chess Problem Database

Problem Display
PID: 1033 (Q2K2n1/5b2/2N3p1/4Bkp1/R2R4/5N2/4Bn2/8 w - - 0 1)

Shire, David J

The Problemist Supplement, 1997

Q2K2n1/5b2/2N3p1/4Bkp1/R2R4/5N2/4Bn2/8

#2

8 + 6

4849 The Sushkov Theme 1999

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Qc8#
  • Tries
    • 1.Sh4+?
      • 1...Ke6
        • 2.Bc4#
        • 2.Rd6#
        • 2.Qc8#
      • 1...gxh4!
    • 1.Se7+?
      • 1...Ke6
        • 2.Bc4#
        • 2.Ra6#
        • 2.Rd6#
        • 2.Qd5#
        • 2.Qc6#
        • 2.Qa6#
        • 2.Qc8#
      • 1...Sxe7!
    • 1.Re4?
      • threat
        • 2.Scd4#
      • 1...Ke6
        • 2.Scd4#
      • 1...Sxe4
        • 2.Sfd4#
      • 1...Bd5!
    • 1.Rf4+?
      • 1...Ke6
        • 2.Scd4#
        • 2.Bc4#
      • 1...gxf4!
    • 1.Rh4?
      • threat
        • 2.Sfd4#
        • 2.Scd4#
      • 1...Ke6
        • 2.Scd4#
      • 1...Sg4
        • 2.Scd4#
      • 1...g4
        • 2.Scd4#
      • 1...gxh4!
  • Keys
    • 1.Rg4!
      • threat
        • 2.Sfd4#
      • 1...Ke6
        • 2.Scd4#
      • 1...Sxg4
        • 2.Scd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAB(G)
  • Tries
    • Try
      • S(B);CHECK
      • Refutation
        • P(c);XS(B)
    • Try
      • S(F);CHECK
      • Refutation
        • S(f);XS(F)
    • Try
      • R(D);
      • Threat
        • S(F)
      • Vars
        • K(b);S_FLIGHT::S(F)
        • S(a);SBLOCK,XR(D)::S(B)
      • Refutation
        • B(e);
    • Try
      • R(D);CHECK
      • Refutation
        • P(c);XR(D)
    • Try
      • R(D);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);S_FLIGHT::S(F)
        • S(a);::S(F)
        • P(c);::S(F)
      • Refutation
        • P(c);XR(D)
  • Actual
    • R(D);
    • Threat
      • S(B)
    • Vars
      • K(b);S_FLIGHT::S(F)
      • S(a);SBLOCK,XR(D)::S(F)
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