MESON Chess Problem Database

Problem Display
PID: 19120 (3B4/1bP5/1n1r2P1/RN1k1N1R/B4pQ1/P7/2P1P2n/3K4 w - - 0 1)

Kipping, Cyril Stanley

Reading Observer, 1912

3B4/1bP5/1n1r2P1/RN1k1N1R/B4pQ1/P7/2P1P2n/3K4

#2

13 + 6

4792 300 Chess Problems 1916
5424 Versunkene Schatze 1998
56 The Problemist 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4+
      • 2.Sfxd6#
    • 1...Ke4+
      • 2.Sbxd6#
    • 1...Kc5+
      • 2.Sbxd6#
    • 1...Ke5+
      • 2.Sfxd6#
    • 1...Kc6+
      • 2.Sbd4#
    • 1...Ke6+
      • 2.Sfd4#
    • 1...Rc6
      • 2.Sfd6#
    • 1...Re6
      • 2.Sbd6#
    • 1...Bc6
      • 2.Sfxd6#
    • 1...f3
      • 2.Se7#
  • Tries
    • 1.Sc3+?
      • 1...Ke6+
        • 2.Sd4#
      • 1...Kc4+!
    • 1.Se3+?
      • 1...Kc6+
        • 2.Sd4#
      • 1...Ke4+!
    • 1.Sg3+?
      • 1...Kc6+
        • 2.Sd4#
      • 1...Kc4+!
    • 1.Sfd4+?
      • 1...Kc4
        • 2.Bb3#
      • 1...Ke4!
    • 1.c4+?
      • 1...Kxc4+
        • 2.Sfxd6#
      • 1...Ke4+
        • 2.Sbxd6#
      • 1...Kc5+
        • 2.Sbxd6#
      • 1...Ke5+
        • 2.Sfxd6#
      • 1...Kc6+
        • 2.Sbd4#
      • 1...Ke6+
        • 2.Sfd4#
      • 1...Sxc4!
  • Keys
    • 1.e4+!
      • 1...Kc4+
        • 2.Sfxd6#
      • 1...Kxe4+
        • 2.Sbxd6#
      • 1...Kc5+
        • 2.Sbxd6#
      • 1...Ke5+
        • 2.Sfxd6#
      • 1...Kc6+
        • 2.Sbd4#
      • 1...Ke6+
        • 2.Sfd4#
      • 1...fxe4 ep
        • 2.Se7#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • K(c);CHECK,P_SPINP(b),S_FLIGHT::S(I),XR(e)
    • K(c);CHECK,P_SPINP(b),S_FLIGHT::S(H),XR(e)
    • K(c);CHECK,P-FLIGHT::R(G)+S(H),XR(e)
    • K(c);CHECK,P-FLIGHT::R(J)+S(I),XR(e)
    • K(c);CHECK,S_FLIGHT::B(E)+S(H),DCHECK
    • K(c);CHECK,S_FLIGHT::QAB(F)+S(I),DCHECK
    • R(e);SBLOCK::R(J)+S(I)
    • R(e);SBLOCK::R(G)+S(H)
    • B(f);SBLOCK::R(J)+S(I),XR(e)
    • P(b);::R(J)+S(I),DCHECK
  • Tries
    • Try
      • S(H);CHECK
      • Vars
        • K(c);CHECK,S_FLIGHT::QAB(F)+S(I),DCHECK
      • Refutation
        • K(c);CHECK,P_SPINP(b),S_FLIGHT
    • Try
      • S(I);CHECK
      • Vars
        • K(c);CHECK,S_FLIGHT::B(E)+S(H),DCHECK
      • Refutation
        • K(c);CHECK,P_SPINP(b),S_FLIGHT
    • Try
      • S(I);CHECK
      • Vars
        • K(c);CHECK,S_FLIGHT::B(E)+S(H),DCHECK
      • Refutation
        • K(c);CHECK,P_SPINP(b),S_FLIGHT
    • Try
      • S(I);CHECK
      • Vars
        • K(c);P_PINS(I),S_FLIGHT::B(E)
      • Refutation
        • K(c);P_PINS(I),P_SPINP(b),S_FLIGHT
    • Try
      • P(B);CHECK
      • Vars
        • K(c);CHECK,P_SPINP(b),S_FLIGHT,XP(B)::S(I),XR(e)
        • K(c);CHECK,P_SPINP(b),S_FLIGHT::S(H),XR(e)
        • K(c);CHECK,P-FLIGHT::R(G)+S(H),XR(e)
        • K(c);CHECK,P-FLIGHT::R(J)+S(I),XR(e)
        • K(c);CHECK,S_FLIGHT::B(E)+S(H),DCHECK
        • K(c);CHECK,S_FLIGHT::QAB(F)+S(I),DCHECK
      • Refutation
        • S(d);XP(B)
  • Actual
    • P(C);CHECK
    • Vars
      • K(c);CHECK,S_FLIGHT::S(I),XR(e)
      • K(c);CHECK,P_SPINP(b),S_FLIGHT,XP(C)::S(H),XR(e)
      • K(c);CHECK,P-FLIGHT::R(G)+S(H),XR(e)
      • K(c);CHECK,P-FLIGHT::R(J)+S(I),XR(e)
      • K(c);CHECK,S_FLIGHT::B(E)+S(H),DCHECK
      • K(c);CHECK,S_FLIGHT::QAB(F)+S(I),DCHECK
      • P(b);EP,XP(C)::R(J)+S(I),DCHECK
HTML5 logo

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).