MESON Chess Problem Database

Problem Display
PID: 152776 (8/6p1/p5p1/rp4Q1/n2k2K1/2RP4/5R2/2N3n1 w - - 0 1)

Wheeler, Charles Henry

Good Companions (December), 1915

8/6p1/p5p1/rp4Q1/n2k2K1/2RP4/5R2/2N3n1

#2

6 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Se2
      • 2.Sxe2#
    • 1...Sf3
      • 2.Se2#
    • 1...Sh3
      • 2.Se2#
    • 1...Sb2
      • 2.Qc5#
    • 1...Sc5
      • 2.Qxc5#
    • 1...Sb6
      • 2.Qc5#
    • 1...b4
      • 2.Rc4#
  • Tries
    • 1.Rfc2?
      • threat
        • 2.Sb3#
      • 1...Sc5
        • 2.Qxc5#
      • 1...Sxc3!
    • 1.Rd2?
      • 1...Sxc3
        • 2.Sb3#
      • 1...Se2
        • 2.Sxe2#
      • 1...Sf3
        • 2.Se2#
      • 1...Sh3
        • 2.Se2#
      • 1...Sb2
        • 2.Qc5#
      • 1...Sc5
        • 2.Qxc5#
      • 1...Sb6
        • 2.Qc5#
      • 1...b4
        • 2.Rc4#
      • 1...Kxc3!
    • 1.Rf3?
      • 1...Sxf3
        • 2.Se2#
      • 1...Sxc3
        • 2.Sb3#
      • 1...Se2
        • 2.Sxe2#
      • 1...Sh3
        • 2.Se2#
      • 1...Sb2
        • 2.Qc5#
      • 1...Sc5
        • 2.Qxc5#
      • 1...Sb6
        • 2.Qc5#
      • 1...b4
        • 2.Rc4#
      • 1...Kxc3!
  • Keys
    • 1.Rb2!
      • 1...Kxc3
        • 2.Qe5#
      • 1...Sxb2
        • 2.Qc5#
      • 1...Sxc3
        • 2.Rb4#
      • 1...Se2
        • 2.Sxe2#
      • 1...Sf3
        • 2.Se2#
      • 1...Sh3
        • 2.Se2#
      • 1...Sc5
        • 2.Qxc5#
      • 1...Sb6
        • 2.Qc5#
      • 1...b4
        • 2.Rc4#

There are these versions: 194204

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::S(A),XS(a)
    • S(a);N_GUARD::S(A)
    • S(b);N_GUARD::QAB1(F)
    • S(b);N_GUARD::QAB1(F),XS(b)
    • P(e);N_GUARD::R1(C)
  • Tries
    • Try
      • R(B);
      • Threat
        • S(A)
      • Vars
        • S(b);N_GUARD::QAB1(F),XS(b)
      • Refutation
        • S(b);XR(C)
    • Try
      • R(B);
      • Vars
        • S(b);SBLOCK,XR(C)::S(A)
        • S(a);N_GUARD::S(A),XS(a)
        • S(a);N_GUARD::S(A)
        • S(b);N_GUARD::QAB1(F)
        • S(b);N_GUARD::QAB1(F),XS(b)
        • P(e);N_GUARD::R1(C)
      • Refutation
        • K(c);S_FLIGHT,XR(C)
    • Try
      • R(B);
      • Vars
        • S(a);N_GUARD,XR(B)::S(A)
        • S(b);SBLOCK,XR(C)::S(A)
        • S(a);N_GUARD::S(A),XS(a)
        • S(a);N_GUARD::S(A)
        • S(b);N_GUARD::QAB1(F)
        • S(b);N_GUARD::QAB1(F),XS(b)
        • P(e);N_GUARD::R1(C)
      • Refutation
        • K(c);S_FLIGHT,XR(C)
  • Actual
    • R(B);
    • Vars
      • K(c);S_FLIGHT,XR(C)::QAB(F)
      • S(b);N_GUARD,XR(B)::QAB1(F)
      • S(b);SBLOCK,XR(C)::R(B)
      • S(a);N_GUARD::S(A),XS(a)
      • S(a);N_GUARD::S(A)
      • S(b);N_GUARD::QAB1(F),XS(b)
      • S(b);N_GUARD::QAB1(F)
      • P(e);N_GUARD::R1(C)
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