MESON Chess Problem Database

Problem Display
PID: 243158 (7q/3N4/3p4/n5P1/2rk4/PQNB1p1R/KP1pPP2/7b w - - 0 1)

Banny, Dimitry Nikolaevich

64 Shakhmatnoe obozrenie, 1979

7q/3N4/3p4/n5P1/2rk4/PQNB1p1R/KP1pPP2/7b

#2

11 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qg7
      • 2.Rh4#
    • 1...Qh4
      • 2.Rxh4#
    • 1...Qb8
      • 2.Rh4#
    • 1...Qc8
      • 2.Rh4#
    • 1...Qd8
      • 2.Rh4#
    • 1...Qg8
      • 2.Rh4#
    • 1...Rxc3
      • 2.bxc3#
    • 1...Ra4
      • 2.Sb5#
      • 2.Qd5#
      • 2.Qb6#
    • 1...Rb4
      • 2.Qd5#
    • 1...Rc6
      • 2.Sb5#
      • 2.Qd5#
    • 1...Rc7
      • 2.Sb5#
      • 2.Qd5#
    • 1...Rc8
      • 2.Sb5#
      • 2.Qd5#
    • 1...Sc6
      • 2.Qxc4#
    • 1...Sb7
      • 2.Qxc4#
    • 1...d5
      • 2.Sb5#
  • Keys
    • 1.Be4!
      • threat
        • 2.e3#
      • 1...Rxc3
        • 2.Qd5#
      • 1...fxe2
        • 2.Rd3#
      • 1...d1S
        • 2.Qxd1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 10
  • Sets
    • Q(h);N_GUARD::R(I)
    • Q(h);N_GUARD::R(I),XQ(h)
    • R(d);OGATE,XS(G)::P(B),XR(d)
    • R(d);OGATE::QAR1(F)
    • S(f);N_GUARD::QAR1(F),XR(d)
    • P(g);SBLOCK::S(G)
  • Actual
    • B(H);
    • Threat
      • P(C)
    • Vars
      • R(d);OGATE,XS(G)::QAR1(F)
      • P(c);OGATE,XP(C)::R1(I)
      • P(b);OGATEB::QAR(F),XS(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).