MESON Chess Problem Database

Problem Display
PID: 261129 (B3R3/1NPKN3/5p2/2p2Pp1/1r2kBQ1/2R3n1/8/5rb1 w - - 0 1)

Kovacevic, Marjan

2nd Comm., Neue Zurcher Zeitung, 2001

B3R3/1NPKN3/5p2/2p2Pp1/1r2kBQ1/2R3n1/8/5rb1

#2

10 + 8

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Bxg3#
      • 2.Bd6#
    • 1...Rfb1
      • 2.Bxg3#
      • 2.Bd6#
    • 1...Rc1
      • 2.Bxg3#
      • 2.Bd6#
    • 1...Rd1+
      • 2.Bd6#
    • 1...Re1
      • 2.Bxg3#
      • 2.Bd6#
    • 1...Rd4+
      • 2.Sd6#
    • 1...Bf2
      • 2.Bxg3#
      • 2.Bd6#
    • 1...Bd4
      • 2.Sxc5#
      • 2.Sd6#
  • Tries
    • 1.Be3+?
      • 1...Ke5
        • 2.Rxc5#
      • 1...Rf4!
    • 1.Bxg5+?
      • 1...Rf4
        • 2.Qxf4#
      • 1...Ke5!
    • 1.Qf3+?
      • 1...Kd4
        • 2.Sc6#
        • 2.Qd3#
      • 1...Rxf3!
  • Keys
    • 1.Kd6!
      • threat
        • 2.Sc6#
      • 1...Rd1+
        • 2.Bd2#
      • 1...Rd4+
        • 2.Sd5#
      • 1...Sxf5+
        • 2.Sxf5#
      • 1...Kd4
        • 2.Be5#
      • 1...Bd4
        • 2.Sxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(a);CHECK,N_GUARD::QAR(C)+B(B)
    • R(d);CHECK,SBLOCK::B(I)+S(E),DCHECK
  • Tries
    • Try
      • B(B);CHECK
      • Vars
        • K(e);N_GUARD,P-FLIGHT,S_CUTR(a)::R(A),XP(f)
      • Refutation
        • R(a);P_SPINR(a)
    • Try
      • B(B);CHECK,XP(g)
      • Vars
        • R(a);N_GUARD,P_SPINR(a)::QAR1(C),XR(a)
      • Refutation
        • K(e);P-FLIGHT
    • Try
      • Q(C);CHECK
      • Refutation
        • R(a);XQ(C)
  • Actual
    • K(G);P-FLIGHT
    • Threat
      • R(J)+S(H)
    • Vars
      • R(a);CHECK,N_GUARD::QAR(C)+B(B)
      • R(d);CHECK,SBLOCK::R(J)+S(H)
      • S(c);CHECK,XP(D)::R(J)+S(H),XS(c)
      • K(e);P-FLIGHT::QAR(C)+B(B),DCHECK
      • B(b);SBLOCK::B(I)+S(E),DCHECK,XP(f)
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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).