MESON Chess Problem Database

Problem Display
PID: 146257 (6nB/3b4/1K1N1r1p/2R2p2/3k1p2/1p6/n3Q3/3r2b1 w - - 0 1)

Whalley, JR

Bristol Times and Mirror, 1928

(First published on Sat Jan 14 1928)

6nB/3b4/1K1N1r1p/2R2p2/3k1p2/1p6/n3Q3/3r2b1

#2

5 + 11

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qd2#
    • 1...Rb1
      • 2.Qd2#
    • 1...Rc1
      • 2.Qd2#
    • 1...Re1
      • 2.Qd2#
    • 1...Rf1
      • 2.Qd2#
    • 1...Rd2
      • 2.Qxd2#
    • 1...Rd3
      • 2.Qe5#
    • 1...Be3
      • 2.Qc4#
    • 1...Bc6
      • 2.Sxf5#
    • 1...Be6
      • 2.Sb5#
    • 1...Se7
      • 2.Bxf6#
  • Keys
    • 1.Qf3!
      • threat
        • 2.Rd5#
      • 1...Be3
        • 2.Qd5#
      • 1...Rd3
        • 2.Qxf4#
      • 1...Bc6
        • 2.Sxf5#
      • 1...Be6
        • 2.Sb5#
      • 1...Sc3
        • 2.Qxc3#
      • 1...Sb4
        • 2.Qc3#
      • 1...Se7
        • 2.Bxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • R(a);N_GUARD::QAR2(A)
    • R(a);N_GUARD::QAR2(A),XR(a)
    • R(a);SBLOCK::QAB1(A)
    • B(b);SBLOCK::QAR1(A)
    • B(j);N_PINS(D)::S(D),XP(g)
    • B(j);N_PINS(D)::S(D)
    • S(k);N_GUARD::B(E),XR(h)
  • Actual
    • Q(A);
    • Threat
      • R1(B)
    • Vars
      • B(b);SBLOCK::QAR1(A)
      • R(a);SBLOCK::QAR2(A),XP(f)
      • B(j);N_PINS(D)::S(D),XP(g)
      • B(j);N_PINS(D)::S(D)
      • S(c);N_GUARD::QAB1(A),XS(c)
      • S(c);N_GUARD::QAB1(A)
      • S(k);N_GUARD::B(E),XR(h)
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