MESON Chess Problem Database

Problem Display
PID: 132497 (r2R4/2pp4/Rn5N/1bbrk3/3p1NpQ/3p4/6KB/1B6 w - - 0 1)

Markovic, Mirko B

10th Place, Liga Problemista, 2000/1

r2R4/2pp4/Rn5N/1bbrk3/3p1NpQ/3p4/6KB/1B6

#2

8 + 11

15523 Moje Sahovske Kompozicije (Markovic) 2006
14475 Mat Plus Review 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qe1#
    • 1...Kd6
      • 2.Qf6#
    • 1...Be7
      • 2.Qxe7#
    • 1...Sa4
      • 2.Qe1#
    • 1...Sc8
      • 2.Qe1#
    • 1...d2
      • 2.Sf7#
    • 1...d6
      • 2.Qe7#
  • Tries
    • 1.Sxd3+?
      • 1...Ke4
        • 2.Qe1#
      • 1...Ke6!
    • 1.Sh5+?
      • 1...Ke4
        • 2.Qe1#
      • 1...Ke6
        • 2.Sg7#
        • 2.Qf6#
      • 1...g3!
    • 1.Sg6+?
      • 1...Ke4
        • 2.Qe1#
      • 1...Ke6!
    • 1.Bxd3?
      • threat
        • 2.Sf7#
      • 1...Kd6
        • 2.Qf6#
      • 1...Bxd3!
    • 1.Re8+?
      • 1...Kd6
        • 2.Qf6#
      • 1...Be7
        • 2.Qxe7#
      • 1...Rxe8!
    • 1.Qe1+?
      • 1...Kd6
        • 2.Qe6#
      • 1...Kf6!
    • 1.Qg5+?
      • 1...Kd6
        • 2.Qf6#
      • 1...Ke4!
  • Keys
    • 1.Qxg4!
      • threat
        • 2.Sh5#
      • 1...Ke4
        • 2.Qe2#
      • 1...Kd6
        • 2.Qe6#
      • 1...Kf6
        • 2.Sxd5#
      • 1...Rd6
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • K(g);P-FLIGHT,P_SPINP(a)::QAR(E)
    • K(g);P_SPINP(j),P_SPINS(h),S_FLIGHT::QAR2(E)
    • B(e);N_GUARD::QAR2(E),XB(e)
    • S(h);::QAR(E)
    • P(a);::S(G)
    • P(j);S_CUTB(e)::QAR2(E)
  • Tries
    • Try
      • S(D);CHECK,XP(a)
      • Vars
        • K(g);P-FLIGHT,P_SPINP(c)::QAR(E)
      • Refutation
        • K(g);P-FLIGHT,P_SPINS(h)
    • Try
      • S(D);CHECK
      • Vars
        • K(g);P-FLIGHT,P_SPINP(a)::QAR(E)
      • Refutation
        • P(c);P_SPINP(c)
    • Try
      • S(D);CHECK
      • Vars
        • K(g);P-FLIGHT,P_SPINP(a)::QAR(E)
      • Refutation
        • K(g);P-FLIGHT,P_SPINS(h)
    • Try
      • B(A);XP(a)
      • Threat
        • S(G)
      • Vars
        • K(g);P_SPINP(j),P_SPINS(h),S_FLIGHT::QAR2(E)
      • Refutation
        • B(d);XB(A)
    • Try
      • R(H);CHECK
      • Vars
        • K(g);P_SPINS(h),S_FLIGHT::QAR2(E)
        • B(e);N_GUARD,P_SPINB(e)::QAR2(E),XB(e)
      • Refutation
        • R(k);XR(H)
    • Try
      • Q(E);CHECK
      • Vars
        • K(g);OGATE,P_SPINP(j),P_SPINS(h),S_FLIGHT::QAR1(E)
      • Refutation
        • K(g);P_SPINS(h),S_FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(g);P_SPINP(j),P_SPINS(h),S_FLIGHT::QAR2(E)
      • Refutation
        • K(g);P-FLIGHT,P_SPINP(a)
  • Actual
    • Q(E);XP(c)
    • Threat
      • B(C)+S(D)
    • Vars
      • K(g);P-FLIGHT,P_SPINP(a)::QAR2(E)
      • K(g);P_SPINP(j),P_SPINS(h),S_FLIGHT::QAR1(E)
      • K(g);P_SPINS(h),S_FLIGHT::S(D),XR(f)
      • R(f);SBLOCK::QAR1(E)
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).