MESON Chess Problem Database

Problem Display
PID: 51896 (1N3K2/1Qp2n2/2n5/2r4R/1Pbk4/1p1P4/1PrP4/2N2B2 w - - 0 1)

Youngs, Joe Casey

StrateGems, 2004

1N3K2/1Qp2n2/2n5/2r4R/1Pbk4/1p1P4/1PrP4/2N2B2

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rc3
      • 2.bxc3#
    • 1...Ra5
      • 2.Sxc6#
    • 1...Rb5
      • 2.Sxc6#
    • 1...Rd5
      • 2.Sxc6#
    • 1...Bb5
      • 2.Sxb3#
    • 1...Ba6
      • 2.Sxb3#
    • 1...Sxb4
      • 2.Qe4#
    • 1...Sa5
      • 2.Qe4#
    • 1...Sce5
      • 2.Qe4#
    • 1...Sa7
      • 2.Qe4#
    • 1...Se7
      • 2.Qe4#
    • 1...Sxb8
      • 2.Qe4#
    • 1...Scd8
      • 2.Qe4#
  • Keys
    • 1.Qb5!
      • threat
        • 2.Qxc5#
      • 1...Rxb5
        • 2.Sxc6#
      • 1...Rxh5
        • 2.Sxc6#
      • 1...Bxd3
        • 2.Qxd3#
      • 1...Bxb5
        • 2.Sxb3#
      • 1...Rd5
        • 2.Sxc6#
      • 1...Re5
        • 2.Sxc6#
      • 1...Rf5
        • 2.Sxc6#
      • 1...Rg5
        • 2.Sxc6#
      • 1...Bd5
        • 2.Se2#
      • 1...Be6
        • 2.Se2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 10
  • Sets
    • R(a);OGATE::P(C),XR(a)
    • R(e);N_GUARD::S(I),XS(f)
    • B(c);N_GUARD::S(A),XP(b)
    • S(f);OGATE,XP(F)::QAR1(H)
    • S(f);OGATE::QAR1(H)
    • S(f);OGATE,XS(I)::QAR1(H)
  • Actual
    • Q(H);
    • Threat
      • QAB1(H),XR(e)
    • Vars
      • R(e);N_GUARD,XQ(H)::S(I),XS(f)
      • R(e);N_GUARD,XR(G)::S(I),XS(f)
      • B(c);OGATE,XP(E)::QAR1(H),XB(c)
      • B(c);N_GUARD,XQ(H)::S(A),XP(b)
      • R(e);N_GUARD::S(I),XS(f)
      • B(c);::S(A)
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