MESON Chess Problem Database

Problem Display
PID: 34938 (8/5N2/B3p3/4R3/1K1k4/2p1r3/2p2r1n/B3NnQ1 w - - 0 1)

Reitman, Mark

5th HM., Springaren, 1990

8/5N2/B3p3/4R3/1K1k4/2p1r3/2p2r1n/B3NnQ1

#2

7 + 8

3657 Izbrannie Shakhmatnie Zadachi Marka Reitmana 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Rd2
      • 2.Bxc3#
    • 1...Rfe2
      • 2.Bxc3#
    • 1...Rg2
      • 2.Bxc3#
    • 1...Rff3
      • 2.Sxc2#
      • 2.Bxc3#
    • 1...Rf4
      • 2.Sxc2#
      • 2.Bxc3#
    • 1...Rf5
      • 2.Sxc2#
      • 2.Bxc3#
    • 1...Rf6
      • 2.Sxc2#
      • 2.Bxc3#
    • 1...Rxf7
      • 2.Bxc3#
    • 1...Rxe1
      • 2.Bxc3#
    • 1...Ree2
      • 2.Bxc3#
    • 1...Rd3
      • 2.Sxc2#
    • 1...Ref3
      • 2.Sxc2#
    • 1...Rg3
      • 2.Sxc2#
    • 1...Rh3
      • 2.Sxc2#
    • 1...Re4
      • 2.Sxc2#
    • 1...Sd2
      • 2.Sxc2#
  • Tries
    • 1.Qg4+?
      • 1...Rf4
        • 2.Sxc2#
      • 1...Re4
        • 2.Qxe4#
      • 1...Sxg4!
  • Keys
    • 1.Qg5!
      • threat
        • 2.Qd8#
      • 1...Rxf7
        • 2.Sxc2#
      • 1...Rxe5
        • 2.Qxe5#
      • 1...Rf6
        • 2.Sxc2#
      • 1...Re4
        • 2.Bxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 10
  • Sets
    • R(c);P_SPINR(f)::B(A),XP(e)
    • R(c);P_SPINR(f),XS(G)::B(A),XP(e)
    • R(f);N_GUARD,P_SPINR(c),XS(B)::B(A),XP(e)
    • R(f);N_GUARD,P_SPINR(c)::B(A),XP(e)
    • R(f);P_SPINR(c)::S(B),XP(b)
    • S(a);S_CUTR(c)::S(B),XP(b)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • R(c);P_SPINR(c)::S(B),XP(b)
        • R(f);N_GUARD,P_SPINR(f)::QAR1(C),XR(f)
      • Refutation
        • S(d);XQ(C)
  • Actual
    • Q(C);
    • Threat
      • QAR(C)
    • Vars
      • R(c);N_GUARD,XS(G)::S(B),XP(b)
      • R(f);OGATE,XR(E)::QAB1(C),XR(f)
      • R(c);N_GUARD::S(B),XP(b)
      • R(f);N_GUARD::B(A),XP(e)
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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).