MESON Chess Problem Database

Problem Display
PID: 264033 (3r4/1q1PRp1b/1pr1Np2/1RN1k3/2P1ppQ1/8/7b/5K2 w - - 0 1)

Marysko, Milos

Tijdschrift vd KNSB, 1956

3r4/1q1PRp1b/1pr1Np2/1RN1k3/2P1ppQ1/8/7b/5K2

#2

8 + 11

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rd6
      • 2.Sd3#
    • 1...Bg1
      • 2.Qxf4#
  • Tries
    • 1.Sxe4+?
      • 1...Kxe4
        • 2.Qe2#
      • 1...Rc5!
  • Keys
    • 1.Qd1!
      • threat
        • 2.Qd5#
      • 1...Kf5
        • 2.Qh5#
      • 1...Qxd7
        • 2.Sxd7#
      • 1...Rxc5
        • 2.Sg7#
      • 1...Rxe6
        • 2.Sxb7#
      • 1...Rxd7
        • 2.Sxd7#
      • 1...Rd6
        • 2.Sd3#
      • 1...Rc7
        • 2.Sg7#
      • 1...Rcc8
        • 2.Sg7#
      • 1...f5
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 1
  • Sets
    • R(f);SBLOCK::R(D)+S(E),DCHECK
    • B(a);N_GUARD::QAB1(C),XP(c)
  • Tries
    • Try
      • S(E);CHECK,XP(b)
      • Vars
        • K(d);P-FLIGHT,P_SPINP(c),S_CUTR(f),XS(E)::QAR2(C)
      • Refutation
        • R(f);P_SPINR(f)
  • Actual
    • Q(C);
    • Threat
      • QAR1(C)
    • Vars
      • K(d);N_GUARD,P-FLIGHT,S_CUTB(j),S_CUTP(g)::QAR2(C)
      • Q(h);XP(G)::R(D)+S(E),DCHECK,XQ(h)
      • R(f);N_GUARD,P_SPINR(f),XS(E)::R(H)+S(F)
      • R(f);N_GUARD,P_SPINR(f),XS(F)::R(D)+S(E),XQ(h)
      • R(k);XP(G)::R(D)+S(E),DCHECK,XR(k)
      • R(f);SBLOCK::R(D)+S(E),DCHECK
      • R(f);N_GUARD::R(H)+S(F)
      • P(g);SBLOCK::QAB1(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).