MESON Chess Problem Database

Problem Display
PID: 64363 (bQ6/r2P1B2/2k2K2/8/2P5/2N5/8/2R5 w - - 0 1)

Rowland, Frideswide F (Mrs TB, nee Beechey)

Pen & Pencil, 1887

(First published on Sat Oct 29 1887)

bQ6/r2P1B2/2k2K2/8/2P5/2N5/8/2R5

#2

7 + 3

187 The Chess Bouquet 1897
15239 Valois Notebooks 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd7
      • 2.Be8#
  • Tries
    • 1.Sb5?
      • 1...Kc5
        • 2.Qd6#
      • 1...Kxd7
        • 2.Be8#
        • 2.Qe8#
      • 1...Rb7
        • 2.Qd6#
      • 1...Bb7
        • 2.Qd6#
        • 2.Qc7#
      • 1...Ra1
        • 2.Qc7#
      • 1...Ra2
        • 2.Qc7#
      • 1...Ra3
        • 2.Qc7#
      • 1...Ra4
        • 2.Qc7#
      • 1...Ra5
        • 2.Qc7#
      • 1...Ra6
        • 2.Qc7#
      • 1...Rc7
        • 2.Qxc7#
      • 1...Rxd7!
    • 1.Sd5?
      • 1...Kc5
        • 2.Qb6#
      • 1...Kxd7
        • 2.Be8#
      • 1...Rxd7
        • 2.Qb6#
      • 1...Rc7
        • 2.Qxc7#
      • 1...Ra1
        • 2.Qc7#
      • 1...Ra2
        • 2.Qc7#
      • 1...Ra3
        • 2.Qc7#
      • 1...Ra4
        • 2.Qc7#
      • 1...Ra5
        • 2.Qc7#
      • 1...Ra6
        • 2.Qc7#
      • 1...Bb7
        • 2.Qc7#
      • 1...Rb7!
    • 1.Qd6+?
      • 1...Kb7
        • 2.Bd5#
        • 2.Rb1#
      • 1...Kxd6!
    • 1.d8Q?
      • threat
        • 2.Qb5#
        • 2.Qbb6#
        • 2.Qd5#
        • 2.Qdd6#
      • 1...Kc5
        • 2.Qbd6#
        • 2.Qdb6#
        • 2.Qb5#
        • 2.Qbb6#
        • 2.Qdd6#
      • 1...Ra5
        • 2.Qbc7#
        • 2.Qdc7#
        • 2.Qbb6#
        • 2.Qbc8#
        • 2.Qdd6#
        • 2.Qdc8#
      • 1...Ra6
        • 2.Qbc7#
        • 2.Qdc7#
        • 2.Qb5#
        • 2.Qbc8#
        • 2.Qd5#
        • 2.Qdd6#
        • 2.Qdc8#
      • 1...Rb7
        • 2.Qbd6#
        • 2.Qdd6#
      • 1...Rc7
        • 2.Qbxc7#
        • 2.Qdxc7#
        • 2.Qb5#
        • 2.Qd5#
      • 1...Rd7
        • 2.Qdb6#
        • 2.Qbb6#
      • 1...Bb7
        • 2.Qbd6#
        • 2.Qbc7#
        • 2.Qdc7#
        • 2.Qdd6#
      • 1...Rxf7+!
  • Keys
    • 1.c5!
      • 1...Kxc5
        • 2.Se2#
      • 1...Kxd7
        • 2.Be8#
      • 1...Rxd7
        • 2.Qb6#
      • 1...Ra1
        • 2.Qc8#
      • 1...Ra2
        • 2.Qc8#
      • 1...Ra3
        • 2.Qc8#
      • 1...Ra4
        • 2.Qc8#
      • 1...Ra5
        • 2.Qc8#
      • 1...Ra6
        • 2.Qc8#
      • 1...Rb7
        • 2.Qd6#
      • 1...Rc7
        • 2.Qb5#
      • 1...Bb7
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • K(a);OGATEB,S_FLIGHT,XP(E)::B(F)
  • Tries
    • Try
      • S(B);
      • Vars
        • K(a);P-FLIGHT::QAB1(G)
        • R(b);SBLOCK::QAR1(G)
        • R(b);N_GUARD::QAR1(G)
        • R(b);N_GUARD::QAR1(G),XR(b)
      • Refutation
        • R(b);XP(E)
    • Try
      • S(B);
      • Vars
        • K(a);P-FLIGHT::QAB1(G)
        • K(a);OGATEB,S_FLIGHT,XP(E)::B(F)
        • R(b);SBLOCK,XP(E)::QAR1(G)
        • R(b);N_GUARD::QAR1(G),XR(b)
        • R(b);N_GUARD::QAR1(G)
        • B(c);S_CUTR(b)::QAR1(G)
      • Refutation
        • R(b);
    • Try
      • Q(G);CHECK
      • Refutation
        • K(a);P-FLIGHT,XQ(G)
    • Try
      • P(E);
      • Threat
        • DUALS(4)
      • Refutation
        • R(b);CHECK,XB(F)
  • Actual
    • P(C);
    • Vars
      • K(a);P-FLIGHT,XP(C)::R(A)+S(B)
      • K(a);OGATEB,S_FLIGHT,XP(E)::B(F)
      • R(b);SBLOCK,XP(E)::QAR1(G)
      • R(b);N_GUARD::QAR2(G)
      • R(b);SBLOCK::QAR1(G)
      • R(b);SBLOCK::QAB1(G)
      • B(c);SBLOCK::QAR1(G)
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