MESON Chess Problem Database

Problem Display
PID: 54852 (3N2n1/3K4/p2n1pN1/3p1k1P/r7/8/2Pb2Q1/1B6 w - - 0 1)

Gamage, Frederick

Tidskrift for Schack, 1913

3N2n1/3K4/p2n1pN1/3p1k1P/r7/8/2Pb2Q1/1B6

#2

7 + 8

5397 Frederick Gamage (Prcic) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Rg4
      • 2.Qxd5#
    • 1...Sc4
      • 2.c3#
    • 1...Sb5
      • 2.c4#
    • 1...Sb7
      • 2.c4#
    • 1...Sf7
      • 2.c4#
    • 1...Sc8
      • 2.c4#
    • 1...Se8
      • 2.c4#
  • Tries
    • 1.Se6?
      • threat
        • 2.Sg7#
      • 1...Rg4
        • 2.Qxd5#
      • 1...Se8
        • 2.c4#
      • 1...Bh6!
  • Keys
    • 1.Sf7!
      • threat
        • 2.Sxd6#
      • 1...Sxf7
        • 2.c4#
      • 1...Rg4
        • 2.Qxd5#
      • 1...Bb4
        • 2.Qf3#
      • 1...Bf4
        • 2.Sh4#
      • 1...Sc4
        • 2.c3#
      • 1...Se4
        • 2.Qh3#
      • 1...Sb5
        • 2.c4#
      • 1...Sb7
        • 2.c4#
      • 1...Sc8
        • 2.c4#
      • 1...Se8
        • 2.c4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(b);SBLOCK::QAR2(C),XP(c)
    • S(f);N_GUARD,S_CUTR(b)::B(A)+P(B)
    • S(f);N_GUARD::B(A)+P(B)
  • Tries
    • Try
      • S(G);
      • Threat
        • S(G)
      • Vars
        • R(b);SBLOCK::QAR2(C),XP(c)
        • S(f);N_GUARD::B(A)+P(B)
      • Refutation
        • B(a);
  • Actual
    • S(G);
    • Threat
      • S(G),XS(f)
    • Vars
      • S(f);N_GUARD,XS(G)::B(A)+P(B)
      • R(b);SBLOCK::QAR2(C),XP(c)
      • B(a);N_GUARD,S_CUTR(b)::QAR2(C)
      • B(a);SBLOCK,S_CUTR(b)::S(E)
      • S(f);N_GUARD,S_CUTR(b)::B(A)+P(B)
      • S(f);SBLOCK,S_CUTR(b)::QAB(C)
      • S(f);N_GUARD::B(A)+P(B)
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