MESON Chess Problem Database

Problem Display
PID: 34783 (8/8/1n3n1B/p1Pp1R2/Qb2k1P1/1P5r/K1NPrP2/1BN1Rb2 w - - 0 1)

Kazhuro, G

Loshinski, Lev Ilich

64 Shakhmatnoe obozrenie, 1928

8/8/1n3n1B/p1Pp1R2/Qb2k1P1/1P5r/K1NPrP2/1BN1Rb2

#2

13 + 9

20 De Problemist 1929
5314 Grossmeister Shakhmatnoi Kompozitsii 1980

SOLUTION

  • SOUND
  • Sets
    • 1...Rh1
      • 2.d3#
      • 2.f3#
    • 1...Rh2
      • 2.d3#
      • 2.f3#
    • 1...Rh4
      • 2.d3#
      • 2.f3#
    • 1...Rh5
      • 2.d3#
      • 2.f3#
    • 1...Rxh6
      • 2.d3#
      • 2.f3#
    • 1...Sh5
      • 2.Qe8#
    • 1...Sh7
      • 2.Qe8#
    • 1...Se8
      • 2.Qxe8#
  • Tries
    • 1.Rxe2+?
      • 1...Re3
        • 2.Rxe3#
        • 2.d3#
        • 2.f3#
      • 1...Bxe2!
  • Keys
    • 1.d4!
      • threat
        • 2.Rf4#
      • 1...Rxh6
        • 2.f3#
      • 1...Rf3
        • 2.Re5#
      • 1...Bd2
        • 2.Se3#
      • 1...Sh5
        • 2.Qe8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • S(i);N_GUARD::QAR(I)
    • S(i);N_GUARD::QAR(I),XS(i)
  • Tries
    • Try
      • R(C);CHECK,XR(b)
      • Refutation
        • B(a);XR(C)
  • Actual
    • P(F);N_PINB(d),P_SPINS(E)
    • Threat
      • R1(L)
    • Vars
      • R(c);N_GUARD,XB(M)::P(G)
      • R(c);SBLOCK::R1(L)
      • B(d);N_PINS(E)::B(A)+S(E)
      • S(i);N_GUARD::QAR(I)
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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).