MESON Chess Problem Database

Problem Display
PID: 44152 (3R4/2p1p3/2Rr3Q/PppkP3/1p4P1/1N3NP1/B1P2P2/B2K4 w - - 0 1)

Kipping, Cyril Stanley

Reading Observer, 1911

3R4/2p1p3/2Rr3Q/PppkP3/1p4P1/1N3NP1/B1P2P2/B2K4

#2

14 + 7

4792 300 Chess Problems 1916

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4+
      • 2.Sbd2#
  • Tries
    • 1.Sfd2?
      • threat
        • 2.Rxc5#
      • 1...c4
        • 2.Rc5#
      • 1...Kxc6!
    • 1.Sg5?
      • threat
        • 2.Rxc5#
      • 1...Kc4+
        • 2.Sd2#
      • 1...c4
        • 2.Rc5#
        • 2.Qh1#
      • 1...Kxc6+!
    • 1.Qd2+?
      • 1...Kc4
        • 2.Rxc5#
      • 1...Ke4
        • 2.Sg5#
      • 1...Ke6
        • 2.Sbd4#
        • 2.Sxc5#
        • 2.Sg5#
      • 1...Kxc6!
    • 1.Qg6?
      • threat
        • 2.Rxc5#
      • 1...Kc4+
        • 2.Sbd2#
      • 1...c4
        • 2.Rc5#
      • 1...Kxc6+!
  • Keys
    • 1.Qh1!
      • 1...Kc4+
        • 2.Sbd2#
      • 1...Ke4+
        • 2.Sfd2#
      • 1...Kxc6+
        • 2.Sfd4#
      • 1...Ke6+
        • 2.Sbd4#
      • 1...Rxd8
        • 2.Sfd2#
      • 1...Rd7
        • 2.Sfd2#
      • 1...c4
        • 2.Sg5#
      • 1...e6
        • 2.Sfd2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • K(d);CHECK,N_SPINR(e),P_SPINP(c),S_FLIGHT::B(C)+S(F),DCHECK
  • Tries
    • Try
      • S(G);
      • Threat
        • R1(L),XP(c)
      • Vars
        • P(c);::R1(L)
      • Refutation
        • K(d);P_PINS(G),S_FLIGHT,XR(L)
    • Try
      • S(G);
      • Threat
        • R1(L),XP(c)
      • Vars
        • K(d);CHECK,N_SPINR(e),P_SPINP(c),S_FLIGHT::B(C)+S(F),DCHECK
      • Refutation
        • K(d);CHECK,S_FLIGHT,XR(L)
    • Try
      • Q(M);CHECK
      • Vars
        • K(d);N_SPINR(e),P_PINQ(M),P_SPINP(c),S_FLIGHT::R1(L),XP(c)
        • K(d);N_SPINR(e),P_PINQ(M),S_FLIGHT::S(G)
      • Refutation
        • K(d);N_SPINR(e),P_PINQ(M),S_FLIGHT,XR(L)
    • Try
      • Q(M);
      • Threat
        • R1(L),XP(c)
      • Vars
        • K(d);CHECK,N_SPINR(e),P_SPINP(c),S_FLIGHT::B(C)+S(F),DCHECK
        • P(c);::R1(L)
      • Refutation
        • K(d);CHECK,S_FLIGHT,XR(L)
  • Actual
    • Q(M);
    • Vars
      • K(d);CHECK,N_SPINR(e),P_SPINP(c),S_FLIGHT::B(C)+S(F),DCHECK
      • K(d);CHECK,N_SPINR(e),S_FLIGHT::QAB(M)+S(G),DCHECK
      • K(d);CHECK,N_SPINR(e),S_FLIGHT,XR(L)::QAB(M)+S(G),DCHECK
      • K(d);CHECK,S_FLIGHT::B(C)+S(F),DCHECK
      • R(e);N_SPINR(e),XR(N)::QAB(M)+S(G)
      • R(e);::QAB(M)+S(G)
      • P(c);::QAB(M)+S(G)
      • P(g);SBLOCK::QAB(M)+S(G)
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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).