MESON Chess Problem Database

Problem Display
PID: 31734 (2R5/8/Rn3p2/n2k4/p5P1/P2NP3/4K2Q/3N4 w - - 0 1)

Rowland, Frideswide F (Mrs TB, nee Beechey)

English Mechanic and World of Science, 1880

(First published on Wed Oct 13 1880)

2R5/8/Rn3p2/n2k4/p5P1/P2NP3/4K2Q/3N4

#2

9 + 5

3467 Chess Blossoms 1883
15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Sc3#
      • 2.Qh1#
      • 2.Qg2#
    • 1...Sc4
      • 2.Sc3#
      • 2.Qh1#
      • 2.Qg2#
    • 1...Sd7
      • 2.Sc3#
      • 2.Qh1#
      • 2.Qg2#
    • 1...Sa8
      • 2.Sc3#
      • 2.Qh1#
      • 2.Qg2#
    • 1...f5
      • 2.Qe5#
  • Tries
    • 1.Sb4+?
      • 1...Ke4
        • 2.Sf2#
        • 2.Sc3#
        • 2.Re8#
        • 2.Qf4#
      • 1...Ke6!
    • 1.Rxa5+?
      • 1...Ke4
        • 2.S1f2#
        • 2.Sc3#
        • 2.S3f2#
        • 2.Re8#
        • 2.Qf4#
        • 2.Qh1#
        • 2.Qg2#
      • 1...Ke6!
    • 1.Rxb6?
      • threat
        • 2.Sc3#
        • 2.Qh1#
        • 2.Qg2#
      • 1...Ke4
        • 2.Sc3#
        • 2.Qh1#
        • 2.Qg2#
      • 1...Sc6!
    • 1.Rc5+?
      • 1...Ke4
        • 2.S1f2#
        • 2.Sc3#
        • 2.S3f2#
        • 2.Qf4#
        • 2.Qh1#
        • 2.Qg2#
      • 1...Ke6!
    • 1.Qd6+?
      • 1...Ke4
        • 2.S1f2#
        • 2.Sc3#
        • 2.S3f2#
        • 2.Sc5#
        • 2.Re8#
        • 2.Qd4#
        • 2.Qe6#
      • 1...Kxd6!
  • Keys
    • 1.Qc7!
      • 1...Ke4
        • 2.Sc3#
      • 1...Ke6
        • 2.Sf4#
      • 1...Sxc8
        • 2.Sc3#
      • 1...Sc6
        • 2.Qxc6#
      • 1...Sb3
        • 2.Qc6#
      • 1...Sac4
        • 2.Qc6#
      • 1...Sb7
        • 2.Qc6#
      • 1...Sbc4
        • 2.Sc3#
      • 1...Sd7
        • 2.Sc3#
      • 1...Sa8
        • 2.Sc3#
      • 1...f5
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • P(e);N_GUARD::QAR1(C)
  • Tries
    • Try
      • S(E);CHECK
      • Refutation
        • K(c);P_SPINS(d),S_FLIGHT
    • Try
      • R(H);CHECK,XS(b)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(H);XS(d)
      • Threat
        • DUALS(3)
      • Refutation
        • S(b);
    • Try
      • R(I);CHECK
      • Refutation
        • K(c);P_SPINS(d),S_FLIGHT
    • Try
      • Q(C);CHECK
      • Refutation
        • K(c);P-FLIGHT,P_SPINS(d),XQ(C)
  • Actual
    • Q(C);
    • Vars
      • K(c);S_FLIGHT::S(A)
      • K(c);P_SPINS(d),S_FLIGHT::S(E)
      • S(d);XR(I)::S(A)
      • S(b);N_GUARD::QAB1(C),XS(b)
      • S(b);N_GUARD::QAB1(C)
      • S(d);::S(A)
      • P(e);N_GUARD::QAR1(C)
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