MESON Chess Problem Database

Problem Display
PID: 19344 (2K2N1b/3Qpp2/2p4R/P1k1nN1R/P2n2q1/1PP5/8/8 w - - 0 1)

Bartolovic, Hrvoje

Sahovski Vestnik, 1950

2K2N1b/3Qpp2/2p4R/P1k1nN1R/P2n2q1/1PP5/8/8

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Qe2
      • 2.Qxd4#
    • 1...Qf3
      • 2.Qxd4#
    • 1...Qh3
      • 2.Qxd4#
    • 1...Qxh5
      • 2.Qxd4#
    • 1...Qg2
      • 2.Qxd4#
    • 1...Qg3
      • 2.Qxd4#
    • 1...Qg5
      • 2.Qxd4#
    • 1...Qg6
      • 2.Qxd4#
    • 1...Qg7
      • 2.Qxd4#
    • 1...Qg8
      • 2.Qxd4#
    • 1...Sc4
      • 2.b4#
    • 1...e6
      • 2.Qd6#
  • Tries
    • 1.cxd4+?
      • 1...Qxd4
        • 2.Qxd4#
      • 1...Kb4!
  • Keys
    • 1.Se3!
      • threat
        • 2.b4#
      • 1...Qxd7+
        • 2.Sxd7#
      • 1...Sxb3
        • 2.Rxc6#
      • 1...Sc2
        • 2.Rxc6#
      • 1...Se2
        • 2.Rxc6#
      • 1...Sf3
        • 2.Rxc6#
      • 1...Sb5
        • 2.Rxc6#
      • 1...Sf5
        • 2.Qa7#
      • 1...Se6
        • 2.Qxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 12
  • Sets
    • Q(b);N_GUARD::QAB1(H),XS(a)
    • Q(b);N_GUARD,XR(F)::QAB1(H),XS(a)
    • Q(b);N_GUARD,P_PINS(J)::QAB1(H),XS(a)
    • S(d);SBLOCK::P(A)
    • P(f);N_GUARD::QAB1(H)
  • Tries
    • Try
      • P(B);CHECK,XS(a)
      • Vars
        • Q(b);OGATE,XP(B)::QAB1(H),XQ(b)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • S(E);P_PINS(d),P_SPINQ(H)
    • Threat
      • P(A)
    • Vars
      • Q(b);CHECK,XQ(H)::S(J),XQ(b)
      • S(a);N_GUARD,XP(A)::R1(G),XP(e)
      • S(a);N_GUARD::R1(G),XP(e)
      • S(a);N_PINQ(H),N_SPINS(d)::QAB(H)
      • S(a);N_PINQ(H)::QAB(H),XP(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).