MESON Chess Problem Database

Problem Display
PID: 162500 (2n1r3/3Q4/2pp1n2/2N5/2Pk1P2/B2P4/K2P2p1/5b2 w - - 0 1)

Vilkauskas, Antanas

Sachmatija, 2002

2n1r3/3Q4/2pp1n2/2N5/2Pk1P2/B2P4/K2P2p1/5b2

#2

8 + 8

SOLUTION

  • SOUND
  • Tries
    • 1.Qf5?
      • threat
        • 2.Sb3#
        • 2.Bb2#
      • 1...Bxd3
        • 2.Qxd3#
      • 1...dxc5
        • 2.Bb2#
        • 2.Bxc5#
      • 1...Re4
        • 2.Bb2#
      • 1...Re5
        • 2.Sb3#
      • 1...Sd5
        • 2.Sb3#
      • 1...d5
        • 2.Sb3#
      • 1...Se4!
    • 1.Qxc6?
      • threat
        • 2.Bb2#
      • 1...Bxd3
        • 2.Sb3#
      • 1...Se4
        • 2.Qd5#
      • 1...Sd5
        • 2.Qxd5#
      • 1...dxc5!
    • 1.Qxd6+?
      • 1...Sd5
        • 2.Bb2#
      • 1...Sxd6!
  • Keys
    • 1.Qh3!
      • threat
        • 2.Sb3#
      • 1...Bxd3
        • 2.Qxd3#
      • 1...dxc5
        • 2.Bb2#
      • 1...Re3
        • 2.Qxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(H);N_PINP(e)
      • Threat
        • DUALS(2)
      • Vars
        • B(a);OGATE,XP(D)::QAR1(H),XB(a)
        • R(h);::B(C)
        • R(h);::S(G)
        • S(f);::S(G)
        • P(e);::S(G)
      • Refutation
        • S(f);
    • Try
      • Q(H);N_PINP(e),XP(d)
      • Threat
        • B(C)
      • Vars
        • B(a);SBLOCK,XP(D)::S(G)
        • S(f);N_GUARD::QAR1(H)
        • S(f);N_GUARD::QAR1(H),XS(f)
      • Refutation
        • P(e);XS(G)
    • Try
      • Q(H);CHECK,XP(e)
      • Vars
        • S(f);P_SPINS(f)::B(C)
      • Refutation
        • S(g);XQ(H)
  • Actual
    • Q(H);N_PINP(e)
    • Threat
      • S(G)
    • Vars
      • B(a);OGATE,XP(D)::QAR1(H),XB(a)
      • P(e);SBLOCK,XS(G)::B(C)
      • R(h);N_GUARD::QAB1(H),XR(h)
HTML5 logo

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).