MESON Chess Problem Database

Problem Display
PID: 149846 (Br1n2b1/1n3q2/2Q4P/pNpr1R2/P1NPk1pP/1K6/4PP2/B3R3 w - - 0 1)

Foschini, Ettore

Il Problema, 1932

Br1n2b1/1n3q2/2Q4P/pNpr1R2/P1NPk1pP/1K6/4PP2/B3R3

#2

14 + 10

56 The Problemist 1932

SOLUTION

  • SOUND
  • Sets
    • 1...Sd6
      • 2.Sxd6#
    • 1...Se6
      • 2.Qxd5#
  • Tries
    • 1.Sc3+?
      • 1...Kxd4
        • 2.Rd1#
      • 1...Kxf5!
  • Keys
    • 1.Qd6!
      • threat
        • 2.Qf4#
      • 1...Kxf5
        • 2.e4#
      • 1...Qxf5
        • 2.Sd2#
      • 1...Rxf5
        • 2.Sc3#
      • 1...Rxd6
        • 2.Sxd6#
      • 1...Sxd6
        • 2.Sxd6#
      • 1...Qc7
        • 2.Rf4#
      • 1...Re5
        • 2.Qxe5#
      • 1...Se6
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(f);N_GUARD,P_PINS(J)::S(G),XS(f)
    • S(i);S_CUTQ(g)::QAB1(L),XR(e)
  • Tries
    • Try
      • S(J);CHECK
      • Vars
        • K(a);N_SPINR(e),P-FLIGHT,XP(H)::R(B)
      • Refutation
        • K(a);N_SPINR(e),S_FLIGHT,XR(K)
  • Actual
    • Q(L);N_PINR(e)
    • Threat
      • QAR1(L)
    • Vars
      • K(a);OGATE,S_FLIGHT,XR(K)::P(C)
      • Q(g);SBLOCK,XR(K)::S(G)
      • R(e);P_PINS(G),P_SPINS(f),SBLOCK,XR(K)::S(J)
      • R(e);P_PINS(G),P_SPINS(f),XQ(L)::S(J),XR(e)
      • S(f);P_PINS(J),P_SPINR(e),XQ(L)::S(G),XS(f)
      • Q(g);N_GUARD::R1(K)
      • R(e);N_GUARD,P_PINS(G),P_SPINS(f)::QAR1(L),XR(e)
      • S(i);S_CUTQ(g)::QAB1(L),XR(e)
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).