MESON Chess Problem Database

Problem Display
PID: 44308 (1n1nK3/3PR1N1/1N3kp1/1p3qpP/6r1/8/1R3Q1b/B5rb w - - 0 1)

Kipping, Cyril Stanley

Manchester City News, 1912

1n1nK3/3PR1N1/1N3kp1/1p3qpP/6r1/8/1R3Q1b/B5rb

#2

9 + 11

4792 300 Chess Problems 1916

SOLUTION

  • SOUND
  • Sets
    • 1...Qxf2
      • 2.Rxf2#
    • 1...Qf3
      • 2.Sd5#
    • 1...Qf4
      • 2.Rb1#
    • 1...R1g2
      • 2.Sd5#
    • 1...R4g2
      • 2.Sd5#
    • 1...Re4
      • 2.Sd5#
    • 1...Bd5
      • 2.Sxd5#
    • 1...Sxd7
      • 2.Sxd7#
    • 1...gxh5
      • 2.Qxf5#
  • Tries
    • 1.Rb1+?
      • 1...Be5
        • 2.Bxe5#
      • 1...Rd4!
  • Keys
    • 1.Kf8!
      • threat
        • 2.Se8#
      • 1...Sxd7+
        • 2.Sxd7#
      • 1...Se6+
        • 2.Rxe6#
      • 1...Qxf2
        • 2.Rxf2#
      • 1...gxh5
        • 2.Qxf5#
      • 1...Qf3
        • 2.Sd5#
      • 1...Qf4
        • 2.Rb1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • Q(f);N_SPINQ(f),OGATE,XQ(C)::B(A)+R(B),DCHECK,XQ(f)
    • Q(f);S_CUTB(b)::S(E)
    • Q(f);S_CUTB(c),S_CUTR(d)::B(A)+R(B)
    • R(a);S_CUTB(b)::S(E)
    • R(d);S_CUTB(b)::S(E)
    • R(d);P_PINR(G),S_CUTB(b)::S(E)
    • B(b);N_GUARD::S(E),XB(b)
    • S(j);XP(F)::S(E),XS(j)
    • P(i);N_GUARD,XP(D)::QAR1(C),XQ(f)
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • B(c);N_GUARD,P_SPINB(c)::B(A),XB(c)
      • Refutation
        • R(d);P_SPINR(d)
  • Actual
    • K(I);P-FLIGHT
    • Threat
      • S(H)
    • Vars
      • S(j);CHECK,XP(F)::S(E),XS(j)
      • S(k);CHECK,N_GUARD::R1(G),XS(k)
      • Q(f);N_SPINQ(f),OGATE,XQ(C)::B(A)+R(B),DCHECK,XQ(f)
      • P(i);N_GUARD,XP(D)::QAR1(C),XQ(f)
      • Q(f);S_CUTB(b)::S(E)
      • Q(f);S_CUTB(c),S_CUTR(d)::B(A)+R(B)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).