MESON Chess Problem Database

Problem Display
PID: 274348 (5Rbb/q1r5/1p6/pN2kPB1/K1pR4/6pQ/6N1/4nr1n w - - 0 1)

Ianovcic, Anatole Felix

Schackvarlden, 1933

5Rbb/q1r5/1p6/pN2kPB1/K1pR4/6pQ/6N1/4nr1n

#2

8 + 12

15601 Albrecht-Leiss-Degener Collection 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Rg1
      • 2.Bf4#
    • 1...Rf4
      • 2.Bxf4#
    • 1...Rxf5
      • 2.Qxf5#
    • 1...Rg7
      • 2.Bf6#
    • 1...Bf6
      • 2.Bxf6#
    • 1...Sf3
      • 2.Bf4#
    • 1...Sf2
      • 2.Bf4#
      • 2.Qxg3#
  • Tries
    • 1.Re8+?
      • 1...Be6
        • 2.Rxe6#
      • 1...Re7!
    • 1.Qxg3+?
      • 1...Rf4
        • 2.Bxf4#
        • 2.Qxf4#
      • 1...Sxg3!
  • Keys
    • 1.Se3!
      • threat
        • 2.Sg4#
      • 1...Rxf5
        • 2.Qxf5#
      • 1...Rf4
        • 2.Bxf4#
      • 1...Rf7
        • 2.Sxc4#
      • 1...Bf7
        • 2.Qxh8#
      • 1...Bf6
        • 2.Bxf6#
      • 1...Sf2
        • 2.Bf4#
        • 2.Qxg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • R(b);N_GUARD::B(G)
    • R(b);N_GUARD::B(G),XR(b)
    • R(b);OGATE,XP(F)::QAR1(B),XR(b)
    • R(j);S_CUTB(l)::B(G)
    • B(l);N_GUARD::B(G),XB(l)
    • S(a);S_CUTR(b)::B(G)
  • Tries
    • Try
      • R(H);CHECK
      • Vars
        • B(k);N_GUARD,P_SPINB(k)::R1(H),XB(k)
      • Refutation
        • R(j);P_SPINR(j)
    • Try
      • Q(B);CHECK,XP(d)
      • Refutation
        • S(c);XQ(B)
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • R(b);OGATE,XP(F)::QAR1(B),XR(b)
      • R(b);N_GUARD::B(G),XR(b)
      • R(j);N_GUARD,S_CUTB(k)::S(A),XP(e)
      • B(k);S_CUTR(j)::QAB(B),XB(l)
      • B(l);N_GUARD::B(G),XB(l)
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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).