MESON Chess Problem Database

Problem Display
PID: 6395 (8/6p1/3p2Q1/3P2p1/1p1P2R1/1pk5/1npN1N2/K1B5 w - - 0 1)

Telkes, Imre

Die Schwalbe, 1929

8/6p1/3p2Q1/3P2p1/1p1P2R1/1pk5/1npN1N2/K1B5

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Qd3#
    • 1...Sd3
      • 2.Qxd3#
    • 1...Sa4
      • 2.Qd3#
    • 1...Sc4
      • 2.Qd3#
  • Tries
    • 1.Sf1?
      • 1...Sd1
        • 2.Qd3#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Sa4
        • 2.Qd3#
      • 1...Sc4
        • 2.Qd3#
      • 1...Kc4!
    • 1.Sf3?
      • 1...Sd1
        • 2.Qd3#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Sa4
        • 2.Qd3#
      • 1...Sc4
        • 2.Qd3#
      • 1...Kc4!
    • 1.Sc4?
      • 1...Sxc4
        • 2.Qd3#
      • 1...Sd1
        • 2.Qd3#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Sa4
        • 2.Qd3#
      • 1...Kxc4!
    • 1.Rg3+?
      • 1...Sd3
        • 2.Rxd3#
        • 2.Qxd3#
      • 1...Kxd4!
    • 1.Rxg5?
      • 1...Sd1
        • 2.Qd3#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Sa4
        • 2.Qd3#
      • 1...Sc4
        • 2.Qd3#
      • 1...Kxd4!
    • 1.Qe4?
      • 1...Sd1
        • 2.Qd3#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Sa4
        • 2.Rg3#
        • 2.Qd3#
        • 2.Qf3#
        • 2.Qe3#
      • 1...Sc4
        • 2.Qd3#
      • 1...g6!
    • 1.Qf5?
      • 1...Sd1
        • 2.Qd3#
        • 2.Qc8#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Sa4
        • 2.Qd3#
        • 2.Qf3#
      • 1...Sc4
        • 2.Qd3#
      • 1...g6!
    • 1.Qh7?
      • 1...Sd1
        • 2.Qd3#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Sa4
        • 2.Qd3#
        • 2.Qh3#
      • 1...Sc4
        • 2.Qd3#
      • 1...g6!
  • Keys
    • 1.Qxg7!
      • 1...Sd3
        • 2.Sfe4#
      • 1...Sd1
        • 2.Qc7#
      • 1...Sa4
        • 2.Rg3#
      • 1...Sc4
        • 2.Sde4#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 4
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::QAR1(H)
    • S(a);N_GUARD::QAR1(H),XS(a)
  • Tries
    • Try
      • S(C);
      • Vars
        • S(a);N_GUARD::QAR1(H)
        • S(a);N_GUARD::QAR1(H),XS(a)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • S(C);
      • Vars
        • S(a);N_GUARD::QAR1(H)
        • S(a);N_GUARD::QAR1(H),XS(a)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • S(C);
      • Vars
        • S(a);N_GUARD,XS(C)::QAR1(H)
        • S(a);N_GUARD::QAR1(H)
        • S(a);N_GUARD::QAR1(H),XS(a)
      • Refutation
        • K(d);P-FLIGHT,XS(C)
    • Try
      • R(F);CHECK
      • Refutation
        • K(d);S_FLIGHT,XP(E)
    • Try
      • R(F);XP(f)
      • Vars
        • S(a);N_GUARD::QAR1(H)
        • S(a);N_GUARD::QAR1(H),XS(a)
      • Refutation
        • K(d);S_FLIGHT,XP(E)
    • Try
      • Q(H);
      • Vars
        • S(a);N_GUARD::QAR1(H)
        • S(a);N_GUARD::QAR1(H),XS(a)
      • Refutation
        • P(h);
    • Try
      • Q(H);
      • Vars
        • S(a);N_GUARD::QAR1(H),XS(a)
        • S(a);N_GUARD::QAR1(H)
      • Refutation
        • P(h);
    • Try
      • Q(H);
      • Vars
        • S(a);N_GUARD::QAR1(H)
        • S(a);N_GUARD::QAR1(H),XS(a)
      • Refutation
        • P(h);
  • Actual
    • Q(H);XP(h)
    • Vars
      • S(a);SBLOCK::S(D)
      • S(a);N_GUARD::QAR(H)
      • S(a);N_GUARD::R(F)
      • S(a);SBLOCK::S(C)
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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).