MESON Chess Problem Database

Problem Display
PID: 179057 (3r4/p3p1q1/1N2Q3/1p6/1B1knPR1/5p1r/Bn1P4/K2RN1b1 w - - 0 1)

Hage, Poul

Prize, Magasinet, 1930

3r4/p3p1q1/1N2Q3/1p6/1B1knPR1/5p1r/Bn1P4/K2RN1b1

#2

10 + 11

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Qe5
      • 2.Qxe5#
    • 1...Qh6
      • 2.Qe5#
    • 1...Qf8
      • 2.Qe5#
    • 1...Qxg4
      • 2.Qe5#
    • 1...Qg6
      • 2.Qe5#
    • 1...Qf7
      • 2.Qe5#
    • 1...Qh7
      • 2.Qe5#
    • 1...Qg8
      • 2.Qe5#
    • 1...Rd5
      • 2.Qxd5#
    • 1...Ra8
      • 2.Qd5#
    • 1...Rb8
      • 2.Qd5#
    • 1...Rc8
      • 2.Qd5#
    • 1...Re8
      • 2.Qd5#
    • 1...Rf8
      • 2.Qd5#
    • 1...Rg8
      • 2.Qd5#
    • 1...Rh8
      • 2.Qd5#
    • 1...Sd3
      • 2.Sc2#
    • 1...Sf2
      • 2.Qe3#
    • 1...Sc3
      • 2.dxc3#
    • 1...Sc5
      • 2.Bc3#
    • 1...Sg5
      • 2.fxg5#
    • 1...Sd6
      • 2.Qd5#
    • 1...Sf6
      • 2.Qe5#
  • Keys
    • 1.Bb1!
      • threat
        • 2.Qxe4#
      • 1...Sxd2
        • 2.Qe4#
      • 1...Qe5
        • 2.Qxe5#
      • 1...Qg6
        • 2.Qe5#
      • 1...Qh7
        • 2.Qe5#
      • 1...Sd3
        • 2.Sc2#
      • 1...Sf2
        • 2.Qe3#
      • 1...Sc3
        • 2.dxc3#
      • 1...Sg3
        • 2.Sxf3#
      • 1...Sc5
        • 2.Bc3#
      • 1...Sg5
        • 2.fxg5#
      • 1...Sd6
        • 2.Qd5#
      • 1...Sf6
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 13
  • Sets
    • Q(j);N_GUARD::QAB1(J),XQ(j)
    • Q(j);N_GUARD::QAB1(J)
    • Q(j);N_GUARD,XR(H)::QAB1(J)
    • R(k);N_GUARD::QAR1(J),XR(k)
    • R(k);N_GUARD::QAR1(J)
    • S(b);SBLOCK::S(C)
    • S(f);OGATE::QAB1(J)
    • S(f);OGATE::R(B)+P(E)DCHECK,XS(f)
    • S(f);N_GUARD,SBLOCK::B(F)
    • S(f);OGATE::R(H)+P(G),XS(f)
    • S(f);S_CUTR(k)::QAR1(J)
    • S(f);S_CUTQ(j)::QAB1(J)
  • Actual
    • B(D);
    • Threat
      • QAR1(J),XS(f)
    • Vars
      • S(f);P_SPINS(f),XP(E)::QAR1(J)
      • Q(j);N_GUARD::QAB1(J),XQ(j)
      • Q(j);N_GUARD::QAB1(J)
      • S(b);SBLOCK::S(C)
      • S(f);OGATE::QAB1(J)
      • S(f);OGATE::R(B)+P(E)DCHECK,XS(f)
      • S(f);S_CUTR(d)::S(C),XP(c)
      • S(f);N_GUARD,SBLOCK::B(F)
      • S(f);OGATE::R(H)+P(G),XS(f)
      • S(f);S_CUTR(k)::QAR1(J)
      • S(f);S_CUTQ(j)::QAB1(J)
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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).