MESON Chess Problem Database

Problem Display
PID: 190122 (1Q3R2/2p4B/3pp3/2P1k1p1/1N4p1/3p2p1/3P2K1/8 w - - 0 1)

Vesz, Tibor

Pesti Naplo, 1913

1Q3R2/2p4B/3pp3/2P1k1p1/1N4p1/3p2p1/3P2K1/8

#2

7 + 8

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.Sc6#
    • 1...c6
      • 2.Qxd6#
  • Tries
    • 1.Qa7?
      • threat
        • 2.Qa1#
      • 1...dxc5
        • 2.Qxc5#
      • 1...d5
        • 2.Sc6#
      • 1...Kd4!
    • 1.Qd8?
      • threat
        • 2.Qf6#
      • 1...dxc5
        • 2.Sxd3#
        • 2.Sc6#
      • 1...Kd4!
  • Keys
    • 1.Rf4!
      • 1...Kxf4
        • 2.Sxd3#
      • 1...gxf4
        • 2.Qh8#
      • 1...dxc5
        • 2.Qxc7#
      • 1...d5
        • 2.Sxd3#
        • 2.Qxc7#
      • 1...c6
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • P(f);P_SPINP(h),SBLOCK::S(C)
    • P(h);OGATE,P_SPINP(f)::QAB1(F),XP(f)
  • Tries
    • Try
      • Q(F);
      • Threat
        • QAB(F)
      • Vars
        • P(f);OGATE,XP(D)::QAR2(F),XP(f)
        • P(f);SBLOCK::S(C)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(F);
      • Threat
        • QAB1(F)
      • Refutation
        • K(d);P_SPINP(f),S_FLIGHT
  • Actual
    • R(G);
    • Vars
      • K(d);S_FLIGHT,XR(G)::S(C),XP(a)
      • P(e);SBLOCK,XR(G)::QAB(F)
      • P(f);OGATEB,P_SPINP(h),XP(D)::QAB(F),XP(h)
      • P(h);OGATE,P_SPINP(f)::QAB1(F),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).