MESON Chess Problem Database

Problem Display
PID: 182369 (3r4/b1p5/K1N2p2/1Ppk1P2/6p1/5P2/3PP3/2Q5 w - - 0 1)

Ludanyi, Antal

Pesti Naplo, 1906

3r4/b1p5/K1N2p2/1Ppk1P2/6p1/5P2/3PP3/2Q5

#2

8 + 7

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rd6
      • 2.e4#
  • Tries
    • 1.Qb1?
      • threat
        • 2.Qd3#
      • 1...Kc4
        • 2.Qa2#
      • 1...Kd6
        • 2.Qd3#
      • 1...c4!
    • 1.Qc2?
      • threat
        • 2.Qd3#
      • 1...Kd6
        • 2.Qd3#
      • 1...c4!
    • 1.Qc3?
      • threat
        • 2.Qd3#
      • 1...Kd6
        • 2.Qd3#
      • 1...c4!
    • 1.Qc4+?
      • 1...Kd6
        • 2.Qd3#
        • 2.Qe6#
      • 1...Kxc4!
  • Keys
    • 1.Qa3!
      • threat
        • 2.Qd3#
      • 1...Kc4
        • 2.Qa2#
      • 1...Kd6
        • 2.Qd3#
      • 1...c4
        • 2.e4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • R(g);P_PINS(H),SBLOCK::P(C)
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAR2(A)
      • Vars
        • K(c);S_FLIGHT::QAB(A)
        • K(c);P-FLIGHT::QAR(A)
      • Refutation
        • P(b);
    • Try
      • Q(A);
      • Threat
        • QAR2(A)
      • Vars
        • K(c);P-FLIGHT::QAR(A)
      • Refutation
        • P(b);
    • Try
      • Q(A);
      • Threat
        • QAR2(A)
      • Vars
        • K(c);P-FLIGHT::QAR(A)
      • Refutation
        • P(b);
    • Try
      • Q(A);CHECK
      • Refutation
        • K(c);S_FLIGHT,XQ(A)
  • Actual
    • Q(A);
    • Threat
      • QAR2(A)
    • Vars
      • K(c);S_FLIGHT::QAB(A)
      • K(c);P-FLIGHT,P_SPINP(b)::QAR(A)
      • P(b);SBLOCK::P(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).