MESON Chess Problem Database

Problem Display
PID: 27361 (8/3p1N2/4p3/1Bpkbr1R/1nr2p2/1qp2Pp1/Q2PN1K1/3R4 w - - 0 1)

Radovic, Srecko

StrateGems, 2001

8/3p1N2/4p3/1Bpkbr1R/1nr2p2/1qp2Pp1/Q2PN1K1/3R4

#2

9 + 12

56 The Problemist 2002
145 StrateGems 2003

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd1
      • 2.Qxc4#
    • 1...Qc2
      • 2.Qxc4#
    • 1...Qa4
      • 2.Qxc4#
    • 1...Qb1
      • 2.Qxc4#
    • 1...Qb2
      • 2.Qxc4#
    • 1...Qa3
      • 2.Qxc4#
    • 1...Rd4
      • 2.Sxc3#
    • 1...Rf6
      • 2.Rxe5#
    • 1...Bd4
      • 2.Sxf4#
    • 1...Sc2
      • 2.Qa8#
    • 1...Sd3
      • 2.Qa8#
  • Tries
    • 1.dxc3+?
      • 1...Qxd1
        • 2.Qxc4#
      • 1...Bd4
        • 2.Sxf4#
      • 1...Sd3
        • 2.Qa8#
      • 1...Rd4!
  • Keys
    • 1.d3!
      • threat
        • 2.dxc4#
      • 1...Sxd3
        • 2.Qa8#
      • 1...Rd4
        • 2.Sxc3#
      • 1...Re4
        • 2.dxe4#
        • 2.fxe4#
      • 1...Bd4
        • 2.Sxf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 8
  • Sets
    • Q(a);OGATE,P_SPINR(e),XR(A)::QAB1(B),XR(e)
    • Q(a);OGATE,P_SPINR(e)::QAB1(B),XR(e)
    • R(e);N_GUARD,P_SPINQ(a),SBLOCK,S_CUTB(i)::S(D),XP(b)
    • R(j);OGATE,P_SPINB(i)::R1(H),XB(i)
    • B(i);N_GUARD,P_SPINR(j),SBLOCK,S_CUTR(e)::S(D),XP(f)
    • S(d);N_GUARD::QAB(B)
  • Tries
    • Try
      • P(C);CHECK,XP(b)
      • Vars
        • Q(a);OGATE,P_SPINR(e),XR(A)::QAB1(B),XR(e)
        • B(i);P_SPINB(i),P_SPINR(j)::S(D),XP(f)
        • S(d);P_SPINS(d)::QAB(B)
      • Refutation
        • R(e);P_SPINQ(a),P_SPINR(e)
  • Actual
    • P(C);
    • Threat
      • R(A)+P(C)DCHECK,XR(e)
    • Vars
      • S(d);N_GUARD,P_SPINS(d),XP(C)::QAB(B)
      • R(e);N_GUARD,P_SPINQ(a),SBLOCK,S_CUTB(i)::S(D),XP(b)
      • B(i);N_GUARD,P_SPINR(j),SBLOCK,S_CUTR(e)::S(D),XP(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).