MESON Chess Problem Database

Problem Display
PID: 69147 (4K3/1B2R2Q/4N3/3rBr2/R1N1k1p1/p3P1n1/2pPppp1/4n3 w - - 0 1)

Grzankowski, Waclaw

5th Prize, L'Illustrazione Italiana, 1938

4K3/1B2R2Q/4N3/3rBr2/R1N1k1p1/p3P1n1/2pPppp1/4n3

#2

10 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Sd3
      • 2.Sg5#
    • 1...Sf3
      • 2.Sc5#
  • Tries
    • 1.Bxd5+?
      • 1...Kd3
        • 2.Sf4#
        • 2.Sc5#
        • 2.Rxa3#
      • 1...Kxd5!
    • 1.Rxa3?
      • threat
        • 2.Sg5#
      • 1...Sf3
        • 2.Sc5#
        • 2.d3#
      • 1...Kf3!
    • 1.d3+?
      • 1...Kf3
        • 2.Sd4#
      • 1...Sxd3
        • 2.Sg5#
      • 1...Kxd3!
  • Keys
    • 1.Bc3!
      • threat
        • 2.Se5#
      • 1...Kd3
        • 2.Sf4#
      • 1...Kf3
        • 2.Sd4#
      • 1...Sd3
        • 2.Sg5#
      • 1...Sf3
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(a);SBLOCK::S(F)
  • Tries
    • Try
      • B(G);CHECK,P_PINR(k),XR(j)
      • Refutation
        • K(h);N_SPINR(k),S_FLIGHT,XB(G)
    • Try
      • R(C);XP(f)
      • Threat
        • S(F)
      • Refutation
        • K(h);S_FLIGHT
    • Try
      • P(A);CHECK
      • Vars
        • K(h);S_FLIGHT::S(F)
        • S(a);SBLOCK,XP(A)::S(F)
      • Refutation
        • K(h);N_SPINR(j),P_SPINR(k),S_FLIGHT,XP(A)
  • Actual
    • B(E);
    • Threat
      • R(C)+S(D)
    • Vars
      • K(h);N_SPINR(j),P_SPINR(k),S_FLIGHT::S(F)
      • K(h);S_FLIGHT::S(F)
      • S(a);SBLOCK::R(H)+S(F),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).