MESON Chess Problem Database

Problem Display
PID: 57618 (bb1Q2n1/2p1B3/1P5p/N2N4/2Pk4/8/1nP3P1/K3R3 w - - 0 1)

Charosh, Mannis

The Chess Review, 1936

bb1Q2n1/2p1B3/1P5p/N2N4/2Pk4/8/1nP3P1/K3R3

#2

10 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Sd3
      • 2.c3#
    • 1...Sxc4
      • 2.Sb3#
    • 1...cxb6
      • 2.Qxb6#
  • Tries
    • 1.Sc3+?
      • 1...Bd5
        • 2.Sb5#
      • 1...Kxc3!
    • 1.Sxc7+?
      • 1...Bd5
        • 2.Sb5#
      • 1...Kc3!
  • Keys
    • 1.Bb4!
      • threat
        • 2.Qh4#
      • 1...Bxd5
        • 2.Qxd5#
      • 1...Sxc4
        • 2.Sb3#
      • 1...cxb6
        • 2.Qxb6#
      • 1...Sd3
        • 2.c3#
      • 1...Sf6
        • 2.Qxf6#
      • 1...Se7
        • 2.Qh8#
      • 1...c5
        • 2.Bc3#
      • 1...c6
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(a);SBLOCK::P(C)
    • S(a);SBLOCK,XP(E)::S(F)
    • P(d);OGATE,XP(H)::QAB(J),XP(d)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • B(e);P_SPINB(e)::S(G)
      • Refutation
        • K(b);S_FLIGHT,XS(G)
    • Try
      • S(G);CHECK,XP(d)
      • Vars
        • B(e);P_SPINB(e)::S(G)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(I);
    • Threat
      • QAR(J)
    • Vars
      • B(e);OGATE,P_SPINB(e),XS(G)::QAR1(J),XB(e)
      • S(a);SBLOCK,XP(E)::S(F)
      • P(d);OGATE,XP(H)::QAB(J),XP(d)
      • S(a);SBLOCK::P(C)
      • S(g);N_GUARD::QAB(J),XS(g)
      • S(g);OGATE::QAB(J)
      • P(d);SBLOCK::B(I)
      • P(d);S_CUTB(e)::QAR(J)+S(G)
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).