MESON Chess Problem Database

Problem Display
PID: 141063 (8/2K2N2/4p3/1p5N/1Pb1kBp1/2Rn3P/6P1/3Q4 w - - 0 1)

Kashcheev, Niktopolion Pavlovich

Zelepukhin, Nikolai Pavlovich

1st Prize, Ukraine Ty., 1950

8/2K2N2/4p3/1p5N/1Pb1kBp1/2Rn3P/6P1/3Q4

#2

9 + 6

113 Shakhmaty v SSSR 1950

SOLUTION

  • SOUND
  • Sets
    • 1...Ba2
      • 2.Qxd3#
    • 1...Bb3
      • 2.Qxd3#
    • 1...Bd5
      • 2.Qxd3#
    • 1...Sc1
      • 2.Sd6#
    • 1...Se1
      • 2.Sd6#
    • 1...Sb2
      • 2.Sd6#
    • 1...Sf2
      • 2.Sd6#
    • 1...Sxb4
      • 2.Sd6#
    • 1...Sxf4
      • 2.Sg3#
    • 1...Sc5
      • 2.Sd6#
    • 1...Se5
      • 2.Sd6#
  • Tries
    • 1.Rxc4+?
      • 1...Kd5
        • 2.Qxd3#
      • 1...Kf5
        • 2.Qxg4#
        • 2.Qxd3#
      • 1...bxc4!
  • Keys
    • 1.Be5!
      • 1...Ke3
        • 2.Qe1#
      • 1...Kd5
        • 2.Sf6#
      • 1...Kf5
        • 2.Qxg4#
      • 1...Sxb4
        • 2.Sg3#
      • 1...Sxe5
        • 2.Sd6#
      • 1...gxh3
        • 2.Qf3#
      • 1...Ba2
        • 2.Qxd3#
      • 1...Bb3
        • 2.Qxd3#
      • 1...Bd5
        • 2.Qxd3#
      • 1...Sc1
        • 2.Sg3#
      • 1...Se1
        • 2.Sg3#
      • 1...Sb2
        • 2.Sg3#
      • 1...Sf2
        • 2.Sg3#
      • 1...Sf4
        • 2.Sg3#
      • 1...Sc5
        • 2.Sg3#
      • 1...g3
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 6
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • B(b);N_GUARD::QAB1(A),XS(a)
    • S(a);::S(I)
    • S(a);XP(E)::S(I)
    • S(a);SBLOCK,XB(F)::S(G)
  • Tries
    • Try
      • R(C);CHECK,XB(b)
      • Vars
        • K(c);P_SPINS(a),S_FLIGHT::QAR2(A),XS(a)
      • Refutation
        • P(e);XR(C)
  • Actual
    • B(F);
    • Vars
      • K(c);P-FLIGHT,P_SPINS(a)::QAR2(A)
      • K(c);P_SPINS(a),S_FLIGHT::S(G)
      • K(c);S_FLIGHT::QAB1(A),XP(d)
      • S(a);XP(E)::S(G)
      • S(a);SBLOCK,XB(F)::S(I)
      • P(d);N_GUARD,XP(D)::QAB1(A)
      • B(b);N_GUARD::QAB1(A),XS(a)
      • S(a);::S(G)
      • P(d);N_GUARD::QAB1(A)
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).