MESON Chess Problem Database

Problem Display
PID: 157481 (2N2B2/p7/2p5/pP2n2K/2kp4/R7/5p2/1R5Q w - - 0 1)

Gleave, Walter

Wiener Hausfrauen-Zeitung, 1890

2N2B2/p7/2p5/pP2n2K/2kp4/R7/5p2/1R5Q

#2

7 + 7

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Sg4
      • 2.Qxc6#
    • 1...Sg6
      • 2.Qxc6#
    • 1...Sf7
      • 2.Qxc6#
    • 1...d3
      • 2.Qe4#
    • 1...a4
      • 2.Rb4#
    • 1...cxb5
      • 2.Rc1#
    • 1...c5
      • 2.Sd6#
    • 1...a6
      • 2.Sb6#
  • Tries
    • 1.Rc3+?
      • 1...dxc3
        • 2.Qe4#
      • 1...Kxc3!
    • 1.Qf3?
      • threat
        • 2.Ra4#
        • 2.Qb3#
      • 1...cxb5
        • 2.Rc1#
        • 2.Qb3#
      • 1...d3
        • 2.Qe4#
      • 1...Sd3
        • 2.Qf7#
      • 1...a4
        • 2.Rb4#
        • 2.Rxa4#
      • 1...Sxf3!
  • Keys
    • 1.Qg2!
      • 1...cxb5
        • 2.Rc1#
      • 1...Sf3
        • 2.Qg8#
      • 1...d3
        • 2.Qe4#
      • 1...f1Q
        • 2.Qa2#
      • 1...f1S
        • 2.Qa2#
      • 1...f1B
        • 2.Qa2#
      • 1...f1R
        • 2.Qa2#
      • 1...Sd3
        • 2.Qg8#
      • 1...Sg4
        • 2.Qxc6#
      • 1...Sg6
        • 2.Qxc6#
      • 1...Sd7
        • 2.Qg8#
      • 1...Sf7
        • 2.Qxc6#
      • 1...a4
        • 2.Rb4#
      • 1...c5
        • 2.Sd6#
      • 1...a6
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • S(e);N_GUARD::QAR2(B),XP(f)
    • P(c);OGATEB::QAR2(B)
    • P(d);N_GUARD::R1(A)
    • P(f);SBLOCK,XP(D)::R(A)
    • P(f);SBLOCK::S(F)
    • P(g);N_GUARD::S(F)
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • P(c);SBLOCK,XR(C)::QAR2(B)
      • Refutation
        • K(b);P-FLIGHT,XR(C)
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);OGATEB::QAR2(B)
        • S(e);N_GUARD::QAB(B)
      • Refutation
        • S(e);XQ(B)
  • Actual
    • Q(B);
    • Vars
      • P(f);SBLOCK,XP(D)::R(A)
      • S(e);N_GUARD::QAB(B)
      • P(c);OGATEB::QAR2(B)
      • P(a);OGATE::QAB(B)
      • S(e);N_GUARD::QAR2(B),XP(f)
      • P(d);N_GUARD::R1(A)
      • P(f);SBLOCK::S(F)
      • P(g);N_GUARD::S(F)
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).