MESON Chess Problem Database

Problem Display
PID: 224496 (5RB1/6pN/4N2n/4kn2/3Rr2p/B2Pp3/K7/3Q4 w - - 0 1)

Rowland, Frideswide F (Mrs TB, nee Beechey)

1st Prize, Dublin Mail, 1888

5RB1/6pN/4N2n/4kn2/3Rr2p/B2Pp3/K7/3Q4

#2

9 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sg3
      • 2.Bd6#
    • 1...Sd6
      • 2.Bxd6#
    • 1...Se7
      • 2.Bd6#
  • Tries
    • 1.Qf3?
      • threat
        • 2.Qxe4#
      • 1...Rf4
        • 2.Rd5#
        • 2.Qd5#
        • 2.Qxf4#
      • 1...Rg4
        • 2.Rd5#
        • 2.Qd5#
      • 1...Sg3
        • 2.Bd6#
      • 1...Sd6
        • 2.Bxd6#
      • 1...Rxd4!
    • 1.Qh1?
      • threat
        • 2.Qxe4#
      • 1...Rf4
        • 2.Rd5#
        • 2.Qd5#
      • 1...Rg4
        • 2.Rd5#
        • 2.Qd5#
      • 1...Sg3
        • 2.Bd6#
      • 1...Sd6
        • 2.Bxd6#
      • 1...Rxd4!
  • Keys
    • 1.Sf4!
      • threat
        • 2.Rxe4#
      • 1...Kxd4
        • 2.Qa1#
      • 1...Kxf4
        • 2.Bd6#
      • 1...Rxd4
        • 2.Sg6#
      • 1...Rxf4
        • 2.Rd5#
      • 1...Sxd4
        • 2.Sg6#
      • 1...Sg3
        • 2.Rd5#
      • 1...Sd6
        • 2.Rd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • S(e);N_GUARD::B(C)
    • S(e);N_GUARD::B(C),XS(e)
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAR1(A),XR(b)
      • Vars
        • S(e);N_GUARD::B(C)
        • S(e);N_GUARD::B(C),XS(e)
      • Refutation
        • R(b);XR(E)
    • Try
      • Q(A);
      • Threat
        • QAR1(A),XR(b)
      • Vars
        • S(e);N_GUARD::B(C)
        • S(e);N_GUARD::B(C),XS(e)
      • Refutation
        • R(b);XR(E)
  • Actual
    • S(F);
    • Threat
      • R1(E),XR(b)
    • Vars
      • K(d);OGATEB,S_FLIGHT,XR(E)::QAB(A)
      • K(d);P_SPINR(b),P_SPINS(e),S_FLIGHT,XS(F)::B(C)
      • R(b);SBLOCK,XR(E)::S(F)
      • R(b);SBLOCK,XS(F)::R1(E)
      • S(e);SBLOCK,XR(E)::S(F)
      • S(e);::R1(E)
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