MESON Chess Problem Database

Problem Display
PID: 267745 (8/1N2K3/b2p1p2/B4Q2/2pk4/Np1np1R1/1R2P2n/8 w - - 0 1)

Banny, Dimitry Nikolaevich

Probleemblad, 1985

8/1N2K3/b2p1p2/B4Q2/2pk4/Np1np1R1/1R2P2n/8

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bb5
      • 2.Sxb5#
    • 1...Bxb7
      • 2.Sb5#
  • Tries
    • 1.Kxd6?
      • threat
        • 2.Qd5#
      • 1...Bxb7
        • 2.Sb5#
      • 1...Sf4
        • 2.Qxf4#
      • 1...Se5
        • 2.Qf4#
      • 1...Sb4!
    • 1.Rc2?
      • threat
        • 2.Bc3#
      • 1...bxc2
        • 2.Sxc2#
      • 1...Sb4
        • 2.Bb6#
      • 1...c3
        • 2.Bxc3#
      • 1...Se5!
    • 1.Rg4+?
      • 1...Sf4
        • 2.Rxf4#
      • 1...Sxg4!
  • Keys
    • 1.Rd2!
      • 1...Bxb7
        • 2.Sb5#
      • 1...exd2
        • 2.e3#
      • 1...Bb5
        • 2.Sxb5#
      • 1...Sf1
        • 2.Rg4#
      • 1...Sf3
        • 2.Rg4#
      • 1...Sg4
        • 2.Rxg4#
      • 1...b2
        • 2.Sc2#
      • 1...c3
        • 2.Bb6#
      • 1...d5
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • B(g);N_GUARD::S(C),XB(g)
    • B(g);N_GUARD,XS(G)::S(C)
  • Tries
    • Try
      • K(H);S_FLIGHT,XP(h)
      • Threat
        • QAR1(F)
      • Vars
        • B(g);N_GUARD,XS(G)::S(C)
        • S(c);N_GUARD::QAR2(F),XS(c)
        • S(c);N_GUARD::QAR2(F)
      • Refutation
        • S(c);
    • Try
      • R(A);
      • Threat
        • B(E)
      • Vars
        • P(b);XR(A)::S(C),XP(b)
        • S(c);N_GUARD::B(E)
        • P(e);::B(E),XP(e)
      • Refutation
        • S(c);
    • Try
      • R(D);CHECK
      • Vars
        • S(c);N_GUARD,P_SPINS(c)::R(D),XS(c)
      • Refutation
        • S(a);XR(D)
  • Actual
    • R(A);P_PINS(c)
    • Vars
      • B(g);N_GUARD,XS(G)::S(C)
      • P(d);N_SPINS(c),OGATE,XR(A)::P(B)
      • B(g);N_GUARD::S(C),XB(g)
      • S(a);N_GUARD::R(D)
      • S(a);N_GUARD::R(D),XS(a)
      • P(b);N_GUARD::S(C)
      • P(e);SBLOCK::B(E)
      • P(h);SBLOCK::QAR2(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).