MESON Chess Problem Database

Problem Display
PID: 221483 (8/2K2B2/8/1pk5/8/8/4N3/br1NQ3 w - - 0 1)

Wolanski, Eustachy

British Chess Magazine, 1927

8/2K2B2/8/1pk5/8/8/4N3/br1NQ3

#2

5 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Rb2
      • 2.Qc3#
    • 1...Bc3
      • 2.Qxc3#
  • Tries
    • 1.Qf2+?
      • 1...Bd4
        • 2.Qxd4#
      • 1...Kb4!
    • 1.Qg1+?
      • 1...Bd4
        • 2.Qxd4#
      • 1...Kb4!
  • Keys
    • 1.Sd4!
      • 1...Kxd4
        • 2.Qe3#
      • 1...Rxd1
        • 2.Sb3#
      • 1...Bxd4
        • 2.Qe7#
      • 1...Bc3
        • 2.Qxc3#
      • 1...Rc1
        • 2.Sb3#
      • 1...Rb2
        • 2.Qc3#
      • 1...Rb3
        • 2.Sxb3#
      • 1...Rb4
        • 2.Qe5#
      • 1...Bb2
        • 2.Sb3#
      • 1...b4
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • R(b);S_CUTB(a)::QAR2(B)
    • B(a);N_GUARD::QAR2(B),XB(a)
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • B(a);N_GUARD,P_SPINB(a)::QAB1(B),XB(a)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • B(a);N_GUARD,P_SPINB(a)::QAB1(B),XB(a)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • S(C);
    • Vars
      • K(d);OGATEB,S_FLIGHT,XS(C)::QAB1(B)
      • R(b);N_GUARD,XS(A)::S(C)
      • B(a);SBLOCK,XS(C)::QAB(B)
      • B(a);N_GUARD::QAR2(B),XB(a)
      • R(b);N_GUARD::S(C)
      • R(b);S_CUTB(a)::QAR2(B)
      • R(b);N_GUARD::S(C),XR(b)
      • R(b);SBLOCK::QAR2(B)
      • B(a);S_CUTR(b)::S(C)
      • P(c);SBLOCK::QAR2(B)
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).