MESON Chess Problem Database

Problem Display
PID: 276046 (6K1/3Q4/7B/4p3/3Nk2p/1pR1n3/4p1nP/3br1qB w - - 0 1)

Marysko, Milos

Schweizerische Schachzeitung, 1959

6K1/3Q4/7B/4p3/3Nk2p/1pR1n3/4p1nP/3br1qB

#2

7 + 10

6490 yacpdb 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Qxh2
      • 2.Rxe3#
    • 1...Qf1
      • 2.Rxe3#
  • Tries
    • 1.Sxb3?
      • threat
        • 2.Sd2#
      • 1...Kf3
        • 2.Qf5#
      • 1...Sf1
        • 2.Qd3#
      • 1...Sc4
        • 2.Qd3#
      • 1...Sd5
        • 2.Qh7#
      • 1...Bxb3+!
  • Keys
    • 1.Sf3!
      • threat
        • 2.Sd2#
      • 1...Sf4+
        • 2.Sg5#
      • 1...Kxf3
        • 2.Qf5#
      • 1...Sf1
        • 2.Qd3#
      • 1...Sc4
        • 2.Qd3#
      • 1...Sd5
        • 2.Qh7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • Q(c);N_GUARD,XP(B)::R1(C),XS(g)
    • Q(c);N_GUARD::R1(C),XS(g)
  • Tries
    • Try
      • S(D);XP(f)
      • Threat
        • S(D)
      • Vars
        • K(h);N_GUARD,S_CUTS(g),S_FLIGHT::QAR2(F)
        • S(g);::QAB1(F)
        • S(g);N_GUARD,SBLOCK::QAB(F)
      • Refutation
        • B(a);CHECK,XS(D)
  • Actual
    • S(D);N_PINS(e)
    • Threat
      • S(D)
    • Vars
      • S(e);CHECK,SBLOCK::B(A)+S(D),DCHECK
      • K(h);N_GUARD,P_SPINS(e),S_CUTS(g),S_FLIGHT,XS(D)::QAR2(F)
      • S(g);::QAB1(F)
      • S(g);N_GUARD,SBLOCK::QAB(F)
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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).