MESON Chess Problem Database

Problem Display
PID: 36263 (BB6/1RN5/K2p4/2p2r1N/R1nqk1P1/3p4/3QPP2/8 w - - 0 1)

Wrobel, Marian

3rd Prize, Enroque!!, 1948

BB6/1RN5/K2p4/2p2r1N/R1nqk1P1/3p4/3QPP2/8

#2

11 + 7

70 American Chess Problemist 1949
3105 FIDE Album (1945-1955) 1964

SOLUTION

  • SOUND
  • Sets
    • 1...Qa1
      • 2.Qe3#
    • 1...Qb2
      • 2.Qe3#
    • 1...Qc3
      • 2.Qe3#
    • 1...Qe3
      • 2.Qxe3#
    • 1...Qe5
      • 2.Qe3#
      • 2.Qxd3#
    • 1...Qf6
      • 2.Qe3#
    • 1...Qg7
      • 2.Qe3#
    • 1...Qh8
      • 2.Qe3#
    • 1...Qd5
      • 2.Qe3#
    • 1...Rf4
      • 2.Qxf4#
    • 1...Rd5
      • 2.Qf4#
    • 1...Re5
      • 2.Sg3#
      • 2.Sf6#
      • 2.Qf4#
      • 2.f3#
    • 1...Rg5
      • 2.Qf4#
    • 1...Sb2
      • 2.Qe3#
    • 1...Sa3
      • 2.Qe3#
    • 1...Se3
      • 2.Qxe3#
    • 1...Sa5
      • 2.Qe3#
    • 1...Se5
      • 2.Sg3#
      • 2.Qe3#
    • 1...Sb6
      • 2.Qe3#
  • Tries
    • 1.Qxd3+?
      • 1...Ke5
        • 2.Qxf5#
      • 1...Qxd3!
  • Keys
    • 1.Sb5!
      • threat
        • 2.Re7#
      • 1...Kd5
        • 2.Re7#
      • 1...Ke5
        • 2.Re7#
      • 1...Qe5
        • 2.Qxd3#
      • 1...Qd5
        • 2.Qe3#
      • 1...Rd5
        • 2.Qf4#
      • 1...Re5
        • 2.Sf6#
      • 1...Se5
        • 2.Sc3#
      • 1...d5
        • 2.Sg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 14
  • Sets
    • Q(c);N_GUARD,P_PINR(D),P_SPINS(b)::QAR1(A)
    • Q(c);N_GUARD,P_SPINS(b)::QAR1(A)
    • Q(c);N_GUARD,P_SPINS(b)::QAR1(A),XQ(c)
    • R(f);N_GUARD::QAR1(A),XR(f)
    • R(f);N_GUARD::QAR1(A)
    • S(b);N_GUARD,P_SPINQ(c)::QAR1(A)
    • S(b);N_GUARD,P_SPINQ(c)::QAR1(A),XS(b)
  • Tries
    • Try
      • Q(A);CHECK,XP(a)
      • Vars
        • K(d);OGATE,P-FLIGHT::QAR1(A),XR(f)
      • Refutation
        • Q(c);P_SPINS(b),XQ(A)
  • Actual
    • S(I);
    • Threat
      • B(J)+R(H),DCHECK
    • Vars
      • K(d);S_FLIGHT::B(J)+R(H)
      • K(d);P-FLIGHT,P_SPINP(g)::R(H)
      • Q(c);N_GUARD,P_SPINS(b),SBLOCK::QAB1(A),XP(a)
      • Q(c);N_GUARD,P_SPINS(b),SBLOCK::QAR1(A)
      • R(f);N_GUARD,SBLOCK::QAR1(A)
      • R(f);N_GUARD,SBLOCK,S_CUTQ(c)::S(F)
      • S(b);P_SPINQ(c),SBLOCK::S(I)
      • P(g);SBLOCK::S(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).