MESON Chess Problem Database

Problem Display
PID: 181881 (6b1/8/2P5/8/R1NkPP2/8/2Q5/3K4 w - - 0 1)

Ludanyi, Antal

Pesti Naplo, 1905

6b1/8/2P5/8/R1NkPP2/8/2Q5/3K4

#2

7 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Se5+?
      • 1...Ke3
        • 2.Qd2#
      • 1...Bc4!
    • 1.Qe2?
      • threat
        • 2.Qe3#
      • 1...Kc3
        • 2.Qe3#
      • 1...Bxc4
        • 2.Rxc4#
      • 1...Kc5!
    • 1.Qf2+?
      • 1...Kc3
        • 2.Qe3#
      • 1...Kd3
        • 2.Qe3#
      • 1...Kxe4!
  • Keys
    • 1.Qb3!
      • threat
        • 2.Qe3#
      • 1...Kxe4
        • 2.Sd6#
      • 1...Kc5
        • 2.Qb6#
      • 1...Bxc4
        • 2.Rxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • B(b);P_SPINB(b)
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Vars
        • K(a);S_FLIGHT::QAR2(B)
        • B(b);OGATE,P_SPINB(b),XS(D)::R1(C),XB(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(B)
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT,XP(E)
  • Actual
    • Q(B);
    • Threat
      • QAB1(B)
    • Vars
      • K(a);P-FLIGHT,XP(E)::R(C)+S(D),DCHECK
      • K(a);S_FLIGHT::QAB1(B)
      • B(b);OGATE,P_SPINB(b),XS(D)::R1(C),XB(b)
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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).