MESON Chess Problem Database

Problem Display
PID: 268249 (N1n3b1/1Q6/3Pn1RK/2kp4/2N4p/P2Pp3/BP6/3Rq3 w - - 0 1)

Pilchenko, Viacheslav Karlovich

Shakhmatnaya kompozitsiya, 1996

N1n3b1/1Q6/3Pn1RK/2kp4/2N4p/P2Pp3/BP6/3Rq3

#2

11 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sf4
      • 2.d4#
    • 1...Sg5
      • 2.d4#
    • 1...Sc7
      • 2.d4#
    • 1...Sg7
      • 2.d4#
    • 1...Sd8
      • 2.d4#
    • 1...Sf8
      • 2.d4#
    • 1...Sb6
      • 2.Qxb6#
    • 1...Sxd6
      • 2.Qb6#
    • 1...Sa7
      • 2.Qb6#
    • 1...Se7
      • 2.Qb6#
  • Tries
    • 1.Sd2?
      • threat
        • 2.Qxd5#
      • 1...Kd4
        • 2.Qxd5#
      • 1...Kxd6
        • 2.Qc7#
      • 1...Sb6
        • 2.Qxb6#
      • 1...Sd4
        • 2.b4#
      • 1...Sf4
        • 2.Sb3#
      • 1...Sg5
        • 2.Sb3#
      • 1...Sc7
        • 2.Sb3#
      • 1...Sg7
        • 2.Sb3#
      • 1...Sd8
        • 2.Sb3#
      • 1...Sf8
        • 2.Sb3#
      • 1...Se7
        • 2.Qb6#
      • 1...d4
        • 2.Se4#
        • 2.Qd5#
      • 1...Qh1!
    • 1.Sa5?
      • threat
        • 2.Qxd5#
      • 1...Kd4
        • 2.Qxd5#
      • 1...Kxd6
        • 2.Qc7#
      • 1...Sb6
        • 2.Qxb6#
      • 1...Qh1
        • 2.Qb4#
      • 1...Sf4
        • 2.Sb3#
        • 2.d4#
      • 1...Sg5
        • 2.Sb3#
        • 2.d4#
      • 1...Sc7
        • 2.Sb3#
        • 2.d4#
      • 1...Sg7
        • 2.Sb3#
        • 2.d4#
      • 1...Sd8
        • 2.Sb3#
        • 2.d4#
      • 1...Sf8
        • 2.Sb3#
        • 2.d4#
      • 1...Se7
        • 2.Qb6#
      • 1...d4
        • 2.Qd5#
        • 2.Qc6#
      • 1...Sd4!
  • Keys
    • 1.Se5!
      • threat
        • 2.Qxd5#
      • 1...Kd4
        • 2.Qxd5#
      • 1...Kxd6
        • 2.Qc7#
      • 1...Sb6
        • 2.Qxb6#
      • 1...Qh1
        • 2.Qb4#
      • 1...Sd4
        • 2.Sd7#
      • 1...Sf4
        • 2.d4#
      • 1...Sg5
        • 2.d4#
      • 1...Sc7
        • 2.d4#
      • 1...Sg7
        • 2.d4#
      • 1...Sd8
        • 2.d4#
      • 1...Sf8
        • 2.d4#
      • 1...Se7
        • 2.Qb6#
      • 1...d4
        • 2.Qd5#
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • S(f);N_GUARD::P(E)
    • S(g);N_GUARD::QAB1(J),XS(g)
    • S(g);N_GUARD,XP(G)::QAB1(J)
    • S(g);N_GUARD::QAB1(J)
  • Tries
    • Try
      • S(F);
      • Threat
        • QAR1(J),XP(e)
      • Vars
        • K(d);S_FLIGHT::QAR1(J),XP(e)
        • K(d);N_GUARD,P_SPINS(f),S_FLIGHT,XP(G)::QAB1(J)
        • S(g);N_GUARD::QAB1(J),XS(g)
        • S(f);SBLOCK::P(C)
        • S(f);::S(F)
        • S(g);N_GUARD::QAB1(J)
      • Refutation
        • Q(a);
    • Try
      • S(F);
      • Threat
        • QAR1(J),XP(e)
      • Vars
        • K(d);S_FLIGHT::QAR1(J),XP(e)
        • K(d);N_GUARD,P_SPINS(f),S_FLIGHT,XP(G)::QAB1(J)
        • S(g);N_GUARD::QAB1(J),XS(g)
        • Q(a);N_GUARD::QAB1(J)
        • S(g);N_GUARD::QAB1(J)
      • Refutation
        • S(f);
  • Actual
    • S(F);
    • Threat
      • QAR1(J),XP(e)
    • Vars
      • K(d);S_FLIGHT::QAR1(J),XP(e)
      • K(d);N_GUARD,P_SPINS(f),S_FLIGHT,XP(G)::QAB1(J)
      • S(g);N_GUARD::QAB1(J),XS(g)
      • Q(a);N_GUARD::QAB1(J)
      • S(f);SBLOCK::S(F)
      • S(f);N_GUARD::P(E)
      • S(g);N_GUARD::QAB1(J)
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).