MESON Chess Problem Database

Problem Display
PID: 154225 (8/8/3pQ3/2P2n2/2R2K2/3kB3/8/8 w - - 0 1)

Markwick, Frederick W

Stratford Express, 1908

8/8/3pQ3/2P2n2/2R2K2/3kB3/8/8

#2

5 + 3

15351 SCPF/BCPS Black Books 2015

SOLUTION

  • SOUND
  • Tries
    • 1.Rc2?
      • threat
        • 2.Qb3#
        • 2.Qc4#
        • 2.Qxf5#
        • 2.Qe4#
      • 1...Sxe3
        • 2.Qe4#
      • 1...Sg3
        • 2.Qb3#
        • 2.Qc4#
      • 1...Sd4
        • 2.Qc4#
        • 2.Qe4#
      • 1...Sh4
        • 2.Qb3#
        • 2.Qc4#
        • 2.Qe4#
      • 1...Sh6
        • 2.Qb3#
        • 2.Qc4#
        • 2.Qe4#
      • 1...Se7
        • 2.Qb3#
        • 2.Qc4#
        • 2.Qe4#
      • 1...Sg7
        • 2.Qb3#
        • 2.Qc4#
        • 2.Qe4#
      • 1...d5
        • 2.Qxf5#
      • 1...Kxc2!
  • Keys
    • 1.Rc1!
      • threat
        • 2.Qc4#
      • 1...Ke2
        • 2.Qc4#
      • 1...Sxe3
        • 2.Qxe3#
      • 1...d5
        • 2.Qa6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Threat
        • DUALS(4)
      • Vars
        • S(b);XB(A)::QAB1(E)
        • P(c);::QAB(E),XS(b)
      • Refutation
        • K(a);S_FLIGHT,XR(B)
  • Actual
    • R(B);
    • Threat
      • QAB1(E)
    • Vars
      • K(a);S_FLIGHT::QAB(E)
      • S(b);OGATE,XB(A)::QAR1(E),XS(b)
      • P(c);OGATE::QAB(E)
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